/* ============ surgalt.mn — гэгээлэг дизайн систем (v7) ============
   Өнгө нь логоноос: хар хөх "surgalt" (--brand) + улбар шар ".mn" (--accent).
   LCD дэлгэцэд зориулав: цайвар дэвсгэр, өндөр контраст, хатуу (blur-гүй) гадаргуу,
   нарийн зураасгүй бүдүүн sans фонт. Өнгөний нэрс (--gold, --teal, --coral) түүхэн шалтгаанаар
   хэвээр: --gold = брэндийн үндсэн өнгө (индиго), JS болон загварууд түүгээр ханддаг. */
:root{
  --ink:#f5f7fc; --ink-2:#edf0f8; --surface:#ffffff; --surface-2:#f2f4fb; --line:#e1e6f0; --line-2:#cbd2e1;
  --text:#121829; --text-2:#313a52; --muted:#59637a;
  --brand:#1f3c8f; --brand-2:#172c6b; --brand-soft:#e9eefb; --brand-glow:rgba(31,60,143,.28);
  --accent:#eaa02e; --accent-2:#d98a14; --accent-soft:#fff1d9;
  --gold:var(--brand); --gold-2:var(--brand-2);
  --coral:#e11d48; --coral-soft:#ffe9ee; --teal:#0f766e; --teal-soft:#dcf7f2; --violet:#2f55c0; --amber:#b45309; --amber-soft:#fff3d6;
  --on-brand:#ffffff;
  --radius:16px; --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(18,24,41,.06),0 2px 8px rgba(18,24,41,.04);
  --shadow:0 2px 4px rgba(18,24,41,.04),0 18px 44px -18px rgba(18,24,41,.22);
  --serif:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; --sans:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1); --spring:cubic-bezier(.34,1.56,.64,1);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);font:500 16px/1.6 var(--sans);overflow-x:hidden;min-height:100vh;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
@view-transition{navigation:auto}
::view-transition-old(root){animation:.2s var(--ease) both vt-out}
::view-transition-new(root){animation:.3s var(--ease) both vt-in}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(6px)}}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--brand-glow);outline-offset:2px;border-radius:8px}
.muted{color:var(--muted)} .small{font-size:.85rem} .pre{white-space:pre-line} .center{text-align:center;align-items:center}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
::selection{background:var(--brand);color:#fff}

/* хуучин кино эффектүүд: гэгээлэг загварт grain хэрэггүй, spotlight маш зөөлөн */
.grain{display:none}
.spotlight{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,30%),rgba(31,60,143,.05),transparent 60%)}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:12px clamp(16px,4vw,48px);background:rgba(245,247,252,.82);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.3s var(--ease)}
.nav.scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:baseline;font:800 1.5rem/1 var(--sans);letter-spacing:-.04em;color:var(--brand)}
.brand b,.wordmark b{color:var(--accent);font-weight:800}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--accent)}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-link{padding:8px 12px;border-radius:10px;color:var(--text-2);font-weight:700;transition:.2s}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}

/* buttons */
.btn{--bg:var(--surface);position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;border:1px solid var(--line-2);background:var(--bg);color:var(--text);cursor:pointer;font-weight:700;
  transition:transform .25s var(--spring),box-shadow .25s,background .2s,border-color .2s,color .2s;white-space:nowrap;overflow:hidden;isolation:isolate}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-gold{background:var(--brand);color:var(--on-brand);border-color:transparent;box-shadow:0 8px 22px -8px var(--brand-glow)}
.btn-gold::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn-gold:hover::after{transform:translateX(120%)}
.btn-gold:hover{color:var(--on-brand);border-color:transparent;box-shadow:0 12px 30px -8px rgba(31,60,143,.5)}
.btn-glass{background:var(--surface);box-shadow:var(--shadow-sm)}.btn-glass:hover{background:var(--brand-soft)}
.btn-ghost{background:transparent}.btn-ghost:hover{background:var(--brand-soft)}
.btn-teal{background:var(--teal-soft);color:var(--teal);border-color:transparent}.btn-teal:hover{background:#c5f1ea;color:var(--teal);border-color:transparent}
.btn-danger{background:var(--coral-soft);color:var(--coral);border-color:transparent}.btn-danger:hover{color:var(--coral);border-color:var(--coral)}
.btn-sm{padding:8px 14px;font-size:.88rem;border-radius:10px}.btn-lg{padding:15px 26px;font-size:1.02rem;border-radius:14px}
.btn-block{width:100%}.btn-icon{padding:0;width:44px;height:44px}
.icon-btn{background:none;border:0;cursor:pointer;color:var(--muted);font-size:1.1rem;padding:6px;border-radius:8px}.icon-btn:hover{color:var(--text);background:var(--ink-2)}
.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:99px;font-size:.78rem;font-weight:700;background:var(--ink-2);color:var(--text-2)}
.chip-teal{background:var(--teal-soft);color:var(--teal)} .chip-gold{background:var(--brand-soft);color:var(--brand-2)} .chip-coral{background:var(--coral-soft);color:var(--coral)}
.chip-amber{background:var(--amber-soft);color:var(--amber)}

/* type */
.eyebrow{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2)}
.display{font:800 clamp(2.4rem,6.4vw,4.8rem)/1.05 var(--sans);letter-spacing:-.035em;margin:.2em 0;color:var(--text)}
.display-xl{font-size:clamp(2.7rem,8.5vw,6.4rem)}
.h2{font:800 clamp(1.7rem,3.6vw,2.5rem)/1.12 var(--sans);letter-spacing:-.025em;margin:.3em 0}
.h3{font:800 1.4rem var(--sans);letter-spacing:-.02em;margin:.2em 0}
.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--text-2);max-width:46ch}
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em}
.split .w>span{display:inline-block;transform:translateY(110%);transition:transform .9s var(--ease);transition-delay:calc(var(--i)*60ms + var(--base,0ms))}
.split.in .w>span{transform:none}
.display{color:var(--brand)}
.display .w:nth-child(even)>span{color:var(--accent)}

/* reveal — blur-гүй (LCD дээр бүдэг ул мөр үлдээдэггүй) */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--d,0)*70ms)}
.reveal.in{opacity:1;transform:none}

/* нээлтийн хөшиг */
.curtain{position:fixed;inset:0;z-index:90;display:grid;place-items:center;background:linear-gradient(160deg,#fff,var(--brand-soft));pointer-events:none;
  animation:curtain-lift .8s 1.1s var(--ease) forwards}
.curtain .letterbox{position:absolute;left:0;right:0;height:6px;background:linear-gradient(90deg,var(--brand) 70%,var(--accent) 70%);animation:bars .8s 1s var(--ease) forwards}
.curtain .top{top:0}.curtain .bottom{bottom:0}
.curtain-title{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;padding:0 16px}
.curtain-kicker{font-size:.75rem;letter-spacing:.4em;text-transform:uppercase;color:var(--muted);opacity:0;animation:fade-up .6s .1s var(--ease) forwards}
.curtain-name{font:800 clamp(2.2rem,7vw,4.6rem) var(--sans);letter-spacing:-.03em;color:var(--brand);
  clip-path:inset(0 100% 0 0);animation:wipe .8s .25s var(--ease) forwards}
.curtain.skip{display:none}
@keyframes curtain-lift{to{clip-path:inset(0 0 100% 0);visibility:hidden}}
@keyframes bars{to{height:0}}
@keyframes wipe{to{clip-path:inset(0 0 0 0)}}
@keyframes fade-up{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* hero */
.hero{position:relative;min-height:min(92svh,860px);display:flex;align-items:center;padding:110px clamp(16px,5vw,64px) 104px;overflow:hidden;
  background:linear-gradient(180deg,#fff 0%,var(--ink) 100%)}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.3fr .9fr;gap:48px;align-items:center}
.hero-inner.center{grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center;gap:10px}
.hero-inner.center .lead{margin-inline:auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.center .hero-cta{justify-content:center}
.aurora{position:absolute;inset:0;z-index:1;filter:blur(70px);opacity:.5;pointer-events:none}
.aurora i{position:absolute;border-radius:50%;animation:float 18s ease-in-out infinite alternate}
.aurora i:nth-child(1){width:48vw;height:48vw;left:-12vw;top:-18vw;background:radial-gradient(circle,hsl(var(--h,222) 95% 80%),transparent 65%)}
.aurora i:nth-child(2){width:40vw;height:40vw;right:-10vw;top:4vh;background:radial-gradient(circle,#bcd0ff,transparent 65%);animation-duration:22s;animation-delay:-6s}
.aurora i:nth-child(3){width:34vw;height:34vw;left:34vw;bottom:-18vw;background:radial-gradient(circle,#ffe2b3,transparent 65%);animation-duration:26s;animation-delay:-12s}
@keyframes float{0%{transform:translate(0,0) scale(1)}50%{transform:translate(6vw,4vh) scale(1.1)}100%{transform:translate(-4vw,-3vh) scale(.94)}}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:18vh;z-index:1;background:linear-gradient(transparent,var(--ink))}
.scroll-cue{position:absolute;z-index:3;left:50%;bottom:24px;width:26px;height:42px;border:2px solid var(--line-2);border-radius:14px;transform:translateX(-50%)}
.scroll-cue span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--brand);animation:cue 1.6s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* avatar */
.avatar{--h:30;display:grid;place-items:center;border-radius:50%;overflow:hidden;font-weight:800;color:#fff;flex:none;
  background:linear-gradient(135deg,hsl(var(--h) 72% 52%),hsl(calc(var(--h) + 12) 76% 36%))}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar-sm{width:40px;height:40px;font-size:.9rem}.avatar-md{width:64px;height:64px;font-size:1.3rem}
.avatar-xl{position:relative;z-index:1;width:132px;height:132px;font:800 2.6rem var(--sans);border:4px solid #fff;box-shadow:var(--shadow)}
.avatar-wrap{position:relative;width:148px;height:148px;display:grid;place-items:center;margin-bottom:22px}
.avatar-ring{position:absolute;inset:0;border-radius:50%;background:conic-gradient(var(--brand),#2f55c0,var(--accent),#f6c56f,var(--brand));animation:spin 10s linear infinite;
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 4px));mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 4px))}
.avatar-wrap::before{content:"";position:absolute;inset:-22px;border-radius:50%;background:radial-gradient(circle,rgba(47,85,192,.22),transparent 70%)}
.verified{position:absolute;right:8px;bottom:8px;z-index:2;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900;border:3px solid #fff}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{transform:scale(1.1);opacity:.6}}

/* card гадаргуу (хуучин "glass" — одоо хатуу цагаан) + статистик */
.glass{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.hero-card{display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:10px}
.stat{padding:20px 18px;border-radius:16px;display:flex;flex-direction:column;gap:4px;transition:background .25s}
.stat:hover{background:var(--surface-2)}
.stat b{font:800 clamp(1.9rem,3.8vw,2.6rem)/1 var(--sans);letter-spacing:-.03em;color:var(--brand)}
.stat span{color:var(--muted);font-size:.9rem;font-weight:600}
.stat-wide{grid-column:1/-1}
.price-big{font:800 2.1rem var(--sans);letter-spacing:-.03em;color:var(--brand)}

/* tilt */
.tilt{transform:perspective(900px) rotateX(var(--rx,0)) rotateY(var(--ry,0)) translateZ(0);transition:transform .5s var(--ease);transform-style:preserve-3d;will-change:transform}
.tilt.tilting{transition:transform .08s linear}

/* sections */
.section{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:clamp(48px,8vw,96px) clamp(16px,5vw,64px)}
.section-head{margin-bottom:32px;max-width:640px}
.bio{margin:0;font:500 clamp(1.08rem,2vw,1.3rem)/1.75 var(--sans);color:var(--text-2);white-space:pre-line;padding:26px 28px;border-left:4px solid var(--brand);
  background:var(--surface);border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow-sm)}
.empty{padding:44px 24px;text-align:center;color:var(--muted);border:1.5px dashed var(--line-2);border-radius:var(--radius);background:var(--surface)}

/* course cards */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px}
.course-card{--h:222;position:relative;display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:box-shadow .3s,border-color .3s}
.course-card:hover{border-color:hsl(var(--h) 80% 72%);box-shadow:0 24px 50px -24px hsl(var(--h) 70% 45% / .55)}
.course-art{position:relative;height:160px;overflow:hidden;
  background:radial-gradient(circle at 18% 20%,hsl(var(--h) 92% 70%),transparent 55%),radial-gradient(circle at 82% 75%,hsl(calc(var(--h) + 14) 88% 58%),transparent 60%),linear-gradient(135deg,hsl(var(--h) 74% 46%),hsl(calc(var(--h) + 10) 80% 34%))}
.course-art::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0 22px,rgba(255,255,255,.1) 22px 23px)}
.course-num{position:absolute;right:18px;bottom:-12px;font:800 5.6rem/1 var(--sans);letter-spacing:-.05em;color:rgba(255,255,255,.34);transform:translateZ(40px)}
.course-flags{position:absolute;left:14px;top:14px;display:flex;gap:6px;flex-wrap:wrap;z-index:1}
.flag{padding:4px 10px;border-radius:99px;font-size:.74rem;font-weight:800;background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}
.flag-own{background:var(--teal);color:#fff}
.glare{position:absolute;inset:0;background:radial-gradient(circle at var(--gx,50%) var(--gy,50%),rgba(255,255,255,.4),transparent 50%);opacity:0;transition:opacity .3s}
.course-card:hover .glare{opacity:1}
.course-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.course-body h3{margin:0;font:800 1.18rem/1.3 var(--sans);letter-spacing:-.015em}
.course-body p{margin:0}
.course-by{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--muted)}
.course-by .avatar{width:24px;height:24px;font-size:.62rem}
.course-meta{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:12px;font-size:.86rem;color:var(--muted);font-weight:600;flex-wrap:wrap}
.price{margin-left:auto;font:800 1.12rem var(--sans);color:var(--brand)}.price.free{color:var(--teal)}

/* ===== багшийн профайл: нүүр зураг → нэр, үйлдэл → таб → хоёр багана ===== */
.pf{position:relative;z-index:2;padding-top:62px}
.pf-head{background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.pf-cover{position:relative;max-width:1424px;margin:0 auto;height:clamp(170px,30vw,360px);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;
  background:radial-gradient(circle at 14% 0%,#5b8df0,transparent 48%),radial-gradient(circle at 88% 110%,#3a63d0,transparent 50%),linear-gradient(120deg,#172c6b,#1f3c8f 55%,#24449f);border-bottom:6px solid var(--accent)}
.pf-cover::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0 26px,rgba(255,255,255,.06) 26px 27px)}
.pf-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;animation:cover-in .8s var(--ease) both}
@keyframes cover-in{from{opacity:0;transform:scale(1.04)}}
.pf-cover::after{content:"";position:absolute;inset:auto 0 0;height:45%;background:linear-gradient(transparent,rgba(18,24,41,.35));pointer-events:none}
.pf-cover-tools{position:absolute;right:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:10px}
/* QR карт: нүүр зургийн баруун дунд, анхаарал татахуйц (цагаан карт + улбар шар хүрээ + скан хөдөлгөөн) */
.pf-cover-qr{position:absolute;right:clamp(16px,6%,72px);top:50%;z-index:2;transform:translateY(-58%);display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 14px 12px;border:0;border-radius:18px;
  background:#fff;color:var(--text);cursor:zoom-in;box-shadow:0 0 0 4px var(--accent),0 18px 40px -14px rgba(18,24,41,.55);animation:qr-pop .7s var(--spring) both,qr-glow 2.8s ease-in-out 1s infinite;transition:transform .3s var(--spring)}
.pf-cover-qr:hover{transform:translateY(-58%) scale(1.04);animation-play-state:paused}
.pf-cover-qr-img{position:relative;display:block;width:132px;height:132px;border-radius:10px;overflow:hidden}
.pf-cover-qr-img img{position:static;inset:auto;width:100%;height:100%;max-width:none;object-fit:contain;animation:none}
.pf-cover-qr-img .qr-scan{position:absolute;left:0;right:0;top:0;height:40%;background:linear-gradient(180deg,transparent,rgba(234,160,46,.35));border-bottom:2px solid var(--accent);animation:scan 2.6s ease-in-out infinite}
.pf-cover-qr-txt{display:grid;text-align:center;line-height:1.25}
.pf-cover-qr-txt b{font-size:.84rem;letter-spacing:-.01em}
.pf-cover-qr-txt small{font-size:.68rem;font-weight:700;color:var(--brand)}
@keyframes qr-pop{from{opacity:0;transform:translateY(-58%) scale(.8)}}
@keyframes qr-glow{0%,100%{box-shadow:0 0 0 4px var(--accent),0 18px 40px -14px rgba(18,24,41,.55)}50%{box-shadow:0 0 0 9px rgba(234,160,46,.45),0 18px 40px -14px rgba(18,24,41,.55)}}
.pf-cover-tools{position:absolute;right:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:10px}
.pf-cover-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:0;border-radius:10px;background:#fff;color:var(--text);font-weight:700;font-size:.9rem;cursor:pointer;box-shadow:var(--shadow);transition:.2s}
.pf-cover-btn:hover{background:var(--accent);color:#1b1305}
.pf-bar{position:relative;max-width:1360px;margin:0 auto;padding:0 16px 16px;display:flex;align-items:flex-start;gap:8px 20px;flex-wrap:wrap}
.pf-avatar{position:relative;margin-top:-72px;flex:none}
.pf-avatar .avatar{width:168px;height:168px;font:800 3.4rem var(--sans);border:5px solid var(--surface);box-shadow:var(--shadow);transition:transform .4s var(--spring)}
.pf-avatar:hover .avatar{transform:scale(1.03)}
.pf-avatar-btn{position:absolute;right:8px;bottom:8px;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:3px solid var(--surface);background:var(--ink-2);color:var(--text);cursor:pointer;transition:.2s}
.pf-avatar-btn:hover{background:var(--accent);color:#1b1305}
.pf-id{flex:1 1 300px;min-width:0;padding-top:14px}
.pf-id h1{margin:0;font:800 clamp(1.6rem,3.4vw,2.2rem)/1.15 var(--sans);letter-spacing:-.03em;text-wrap:balance}
.pf-verified{display:inline-grid;place-items:center;width:22px;height:22px;margin-left:10px;vertical-align:.12em;border-radius:50%;background:var(--brand);color:#fff}
.pf-verified svg{stroke-width:3}
.pf-headline{margin:4px 0 0;color:var(--text-2);font-weight:600}
.pf-counts{margin:6px 0 0;color:var(--muted);font-weight:600;font-size:.94rem}
.pf-counts b{color:var(--text)}
.pf-actions{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto;padding-top:18px;align-self:flex-end}
.pf-actions .btn{padding:10px 16px}
.pf-actions .btn-icon{width:44px;padding:0}
.pf-tabs{position:sticky;top:0;z-index:40;max-width:1360px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:4px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.pf-tabs::-webkit-scrollbar{display:none}
.pf-tab{position:relative;flex:none;padding:16px 16px;border:0;background:none;font-weight:700;color:var(--muted);cursor:pointer;border-radius:10px;transition:color .2s,background .2s}
.pf-tab:hover{background:var(--ink-2);color:var(--text)}
.pf-tab.active{color:var(--brand)}
.pf-tab i{font-style:normal;margin-left:4px;padding:1px 8px;border-radius:99px;font-size:.76rem;background:var(--ink-2);color:var(--text-2)}
.pf-tab.active i{background:var(--brand-soft);color:var(--brand)}
.pf-ink{position:absolute;bottom:0;left:0;height:3px;width:0;border-radius:3px 3px 0 0;background:var(--accent);transition:transform .35s var(--ease),width .35s var(--ease)}
.pf-mini{display:none;align-items:center;gap:10px;margin-right:8px;padding-right:12px;border-right:1px solid var(--line);white-space:nowrap}
/* Толгой гүйлгэхэд цэс дээд талд наалдаж, багшийн нэр зурагтайгаа гарч ирнэ. */
.pf-stuck .pf-tabs{position:fixed;top:0;left:0;right:0;max-width:none;padding:0 max(16px,calc((100vw - 1360px)/2 + 16px));background:var(--surface);border-top:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:52;animation:tabs-in .25s var(--ease)}
.pf-stuck .pf-mini{display:flex}
@keyframes tabs-in{from{transform:translateY(-100%)}}
.pf-body{max-width:1360px;margin:0 auto;padding:18px 16px 56px;display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:18px;align-items:start}
.pf-side{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;position:sticky;top:70px}
.pf-main,.pf-panel{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;min-width:0}
.pf-panel{animation:panel-in .35s var(--ease) both}
.pf-main .course-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.card{padding:18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.card-head h2{margin:0;font:800 1.2rem var(--sans);letter-spacing:-.02em}
.pf-bio{margin:0;white-space:pre-line;color:var(--text-2)}
.pf-bio.clamped{display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.pf-more{margin-top:6px;border:0;background:none;cursor:pointer;padding:0}
.pf-facts{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}
.pf-facts li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2)}
.pf-facts svg{flex:none;margin-top:3px;color:var(--muted)}
.pf-facts b{color:var(--text)}
.pf-statcard{display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:8px}
.pf-statcard .stat{padding:14px}
.pf-statcard .stat b{font-size:1.7rem}
.pf-qr-mini{display:flex;align-items:center;gap:14px}
.pf-qr-mini .qr-frame{flex:none;padding:6px;border-radius:14px;cursor:zoom-in;box-shadow:0 0 0 4px var(--brand-soft);transition:transform .3s var(--spring)}
.pf-qr-mini .qr-frame:hover{transform:scale(1.06) rotate(-2deg)}
.pf-qr-mini .qr-frame img{width:96px;height:96px}
.pf-qr-mini p{margin:2px 0 6px}
.pf-qr-mini .link{border:0;background:none;cursor:pointer;padding:0}
.composer{display:flex;align-items:center;gap:12px;transition:.2s}
.composer:hover{border-color:var(--brand)}
.composer-input{flex:1;padding:11px 16px;border-radius:99px;background:var(--ink-2);color:var(--muted);font-weight:600}
.pf-next{display:flex;align-items:center;gap:14px;border-color:#b6e9e1;background:linear-gradient(90deg,var(--teal-soft),var(--surface) 60%);transition:.2s}
.pf-next:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.pf-next .item-ico{background:#c5f1ea;color:var(--teal)}
.pf-next .grow{flex:1;min-width:0;display:grid}
.pf-details{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.pf-details dt{font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pf-details dd{margin:2px 0 0;font-weight:700}
.pf .qr-card{box-shadow:var(--shadow-sm)}
.owner-strength{display:flex;align-items:center;gap:14px}
.owner-strength .grow{flex:1;min-width:0}
.owner-strength strong{display:block}
.edit-modal{width:min(640px,100%)}
.viewas-bar{position:fixed;left:50%;bottom:20px;z-index:75;transform:translateX(-50%);display:flex;align-items:center;gap:14px;padding:10px 12px 10px 18px;border-radius:99px;background:var(--text);color:#fff;font-weight:700;box-shadow:var(--shadow);animation:toast-in .4s var(--spring);white-space:nowrap}
.viewas-bar span{display:flex;align-items:center;gap:8px}
.viewas-bar .btn{background:var(--accent);border-color:transparent;color:#1b1305}
.pf.uploading .pf-cover-btn,.pf.uploading .pf-avatar-btn{pointer-events:none;opacity:.6}
.flag-new{background:var(--accent);color:#1b1305}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{padding:5px 12px;border-radius:99px;font-size:.84rem;font-weight:700;background:var(--brand-soft);color:var(--brand-2)}
.socials{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.social-link{display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border-radius:99px;background:var(--surface);border:1px solid var(--line);font-size:.86rem;font-weight:700;transition:.2s}
.social-link:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.social-link i{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;font-style:normal;font-size:.72rem;font-weight:900;color:#fff;background:var(--text)}
.social-link[data-k=facebook] i{background:#1877f2}.social-link[data-k=youtube] i{background:#e62117}
.social-link[data-k=instagram] i{background:linear-gradient(45deg,#f58529,#dd2a7b,#8134af)}.social-link[data-k=website] i{background:var(--brand)}
.btn svg{flex:none}
@media (max-width:900px){
  .pf-body{grid-template-columns:minmax(0,1fr)}
  .pf-side{position:static}
  .pf-bar{flex-direction:column;align-items:center;text-align:center;gap:8px}
  .pf-avatar{margin-top:-84px}
  .pf-id{padding:0;flex:none;max-width:100%}
  .pf-actions{justify-content:center;width:100%;margin:0;padding-top:6px}
  .pf-actions .btn:not(.btn-icon){flex:1 1 auto}
}
@media (max-width:560px){
  .pf-avatar .avatar{width:132px;height:132px;font-size:2.6rem}
  .pf-avatar{margin-top:-66px}
  .pf-cover-btn span{display:none}
  .pf-cover-tools{right:10px;bottom:10px;gap:8px}
  .pf-cover-qr{right:12px;padding:6px;gap:0;border-radius:12px;box-shadow:0 0 0 3px var(--accent)}
  .pf-cover-qr-img{width:76px;height:76px}
  .pf-cover-qr-txt{display:none}
  .pf-tab{padding:14px 12px}
  .pf-stuck .pf-mini strong{display:none}
  .viewas-bar{left:12px;right:12px;transform:none;justify-content:space-between;border-radius:16px}
  .viewas-bar span{white-space:normal;font-size:.86rem}
}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filter-bar input{flex:1;min-width:180px;max-width:320px}
.pill{padding:8px 16px;border-radius:99px;border:1px solid var(--line-2);background:var(--surface);font-weight:700;font-size:.88rem;cursor:pointer;color:var(--text-2);transition:.2s}
.pill:hover{border-color:var(--brand);color:var(--brand)}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* профайлын бүрдэл: цагираг + зөвлөмж */
.strength{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center}
.ring{--p:0;position:relative;width:104px;height:104px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:conic-gradient(var(--brand) calc(var(--p)*1%),var(--ink-2) 0);transition:--p 1s}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--surface)}
.ring b{position:relative;font:800 1.5rem var(--sans);letter-spacing:-.03em;color:var(--brand)}
.ring-sm{width:52px;height:52px}.ring-sm::before{inset:5px}.ring-sm b{font-size:.86rem}
.tips{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.tip{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}
a.tip:hover{border-color:var(--brand);background:var(--brand-soft)}
.tip i{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font-style:normal;font-weight:900;font-size:.8rem;border:2px solid var(--line-2);color:transparent;background:var(--surface)}
.tip.done i{background:var(--teal);border-color:var(--teal);color:#fff}
.tip.done{opacity:.72}
.tip>span:not(.chip){flex:1;min-width:0}
.tips-grid{grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr))}
.tip strong{display:block;line-height:1.3}
.tip small{color:var(--muted)}

/* course page */
.teacher-chip{margin-bottom:14px;display:inline-flex;align-items:center;gap:12px;padding:6px 16px 6px 6px;border-radius:99px;background:var(--surface);border:1px solid var(--line);font-weight:700;box-shadow:var(--shadow-sm)}
.teacher-chip:hover{border-color:var(--brand)}
.teacher-chip small{display:block;font-weight:500;color:var(--muted);font-size:.78rem}
.lessons{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.lesson{display:flex;align-items:center;gap:16px;padding:15px 18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.3s var(--ease)}
.lesson:hover{transform:translateX(4px);border-color:var(--line-2)}
.lesson-num{font:800 1.2rem var(--sans);color:var(--muted);width:2.2em}
.lesson-title{flex:1;font-weight:700}
.lesson.is-free{border-left:4px solid var(--teal)}
.lesson.unlocked{border-left:4px solid var(--brand)}
.lesson.unlocked .lock{color:var(--brand);border-color:var(--brand)}
.meet-list{display:grid;gap:10px;margin-bottom:28px}
.meet-item{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 18px;border-radius:var(--radius);background:linear-gradient(90deg,var(--teal-soft),var(--surface) 70%);border:1px solid #b6e9e1}
.meet-item time{font-weight:800;color:var(--teal)}
.meet-item .grow{flex:1;min-width:160px}

/* modal */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:16px;background:rgba(18,24,41,.45);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:.3s var(--ease)}
.modal.open{opacity:1;visibility:visible}
.modal-card{position:relative;width:min(560px,100%);max-height:90vh;overflow:auto;padding:30px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:0 40px 90px -30px rgba(18,24,41,.5);
  transform:translateY(24px) scale(.96);transition:transform .45s var(--spring)}
.modal.open .modal-card{transform:none}
.modal-x{position:absolute;top:12px;right:12px}
.qr-modal{text-align:center;display:grid;gap:16px;justify-items:center}
.qr-modal img{border-radius:16px;background:#fff;padding:12px;border:1px solid var(--line)}
.lesson-modal{width:min(960px,100%)}
.player{border-radius:var(--radius);overflow:hidden;background:#0b0d16;margin-bottom:18px}
.player:empty{display:none}
.player iframe,.player video{display:block;width:100%;aspect-ratio:16/9;border:0}
.player img{width:100%}
.book-stage{display:grid;justify-items:center;gap:14px;padding:26px;background:linear-gradient(160deg,var(--brand-soft),var(--accent-soft))}

/* QR section */
.qr-card{display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:center;padding:36px}
.qr-frame{position:relative;padding:14px;background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 0 0 8px var(--brand-soft),var(--shadow)}
.qr-frame img{width:220px;height:220px}
.qr-scan{position:absolute;left:0;right:0;top:0;height:40%;background:linear-gradient(180deg,transparent,rgba(31,60,143,.22));border-bottom:2px solid var(--brand);animation:scan 2.6s ease-in-out infinite}
@keyframes scan{0%{transform:translateY(-100%)}50%{transform:translateY(160%)}100%{transform:translateY(-100%)}}

/* features */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.feature{padding:26px}.feature h3{font:800 1.15rem var(--sans);letter-spacing:-.015em;margin:.7em 0 .3em}
.f-ico{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;font-size:1.4rem;color:var(--brand);background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft))}

.footer{position:relative;z-index:2;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:28px clamp(16px,5vw,64px);border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;background:var(--surface)}
.footer a:hover{color:var(--brand)}

/* ===== нүүр хуудас: нэвтэрсэн хэрэглэгчийн самбар ===== */
.dash{display:none;position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:92px clamp(16px,4vw,48px) 56px}
.authed .dash{display:block}
.authed .landing{display:none}
.dash-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:26px;border-radius:var(--radius-lg);color:#fff;
  background:linear-gradient(120deg,#172c6b,#1f3c8f 55%,#2f55c0);border-bottom:5px solid var(--accent);box-shadow:0 24px 50px -26px rgba(31,60,143,.7)}
.dash-head .avatar{border:3px solid rgba(255,255,255,.7)}
.dash-head h1{margin:0;font:800 clamp(1.4rem,3.4vw,2rem)/1.2 var(--sans);letter-spacing:-.025em}
.dash-head p{margin:2px 0 0;opacity:.9}
.dash-head .grow{flex:1;min-width:200px}
.dash-head .btn{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);color:#fff}
.dash-head .btn:hover{background:var(--accent);color:#1b1305;border-color:var(--accent)}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(150px,45%),1fr));gap:14px;margin:18px 0 6px}
.tile{display:flex;flex-direction:column;gap:2px;padding:18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.25s var(--ease)}
.tile:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
.tile b{font:800 1.9rem/1.1 var(--sans);letter-spacing:-.03em;color:var(--brand)}
.tile span{color:var(--muted);font-size:.88rem;font-weight:700}
.tile em{font-style:normal;font-size:1.3rem}
.dash-sec{margin-top:34px;scroll-margin-top:84px}
.dash-sec>header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.dash-sec h2{margin:0;font:800 1.3rem var(--sans);letter-spacing:-.02em}
.dash-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:22px}
.dash-cols .dash-sec{margin-top:34px;min-width:0}
.items{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
.item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.2s}
a.item:hover{border-color:var(--brand);transform:translateX(3px)}
.item .grow{flex:1;min-width:0}
.item strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item small{display:block;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item-ico{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:12px;font-size:1.15rem;background:var(--brand-soft);color:var(--brand)}
.item.warn{border-color:#f4d48a;background:linear-gradient(90deg,var(--amber-soft),var(--surface) 60%)}
.item.warn .item-ico{background:#ffe6a8;color:var(--amber)}
.item.live{border-color:#b6e9e1;background:linear-gradient(90deg,var(--teal-soft),var(--surface) 60%)}
.item.live .item-ico{background:#c5f1ea;color:var(--teal)}
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.person{display:flex;align-items:center;gap:12px;padding:14px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.2s}
.person:hover{border-color:var(--brand);transform:translateY(-2px)}
.person .grow{min-width:0;flex:1}
.person strong,.person small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.person small{color:var(--muted)}
.resume{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px;padding:18px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.resume .grow{flex:1;min-width:180px}
.resume strong{display:block}
.find{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.find input{flex:1;min-width:180px}
.skeleton{height:84px;border-radius:var(--radius);background:linear-gradient(90deg,var(--ink-2),#fff,var(--ink-2));background-size:200% 100%;animation:shimmer 1.2s linear infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* chat */
.chat-fab{position:fixed;right:22px;bottom:22px;z-index:70;width:60px;height:60px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;color:#fff;
  background:var(--brand);box-shadow:0 14px 34px -8px rgba(31,60,143,.6);transition:transform .35s var(--spring)}
.chat-fab:hover{transform:scale(1.08) rotate(-6deg)}
.chat-fab::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--brand);animation:ring 2.4s infinite}
@keyframes ring{from{transform:scale(1);opacity:.7}to{transform:scale(1.6);opacity:0}}
.chat-fab-dot{position:absolute;top:6px;right:6px;width:14px;height:14px;border-radius:50%;background:var(--coral);border:2px solid #fff}
.chat-panel{position:fixed;right:22px;bottom:94px;z-index:71;width:min(380px,calc(100vw - 32px));height:min(560px,calc(100svh - 130px));display:flex;flex-direction:column;
  border-radius:22px;background:var(--surface);border:1px solid var(--line);box-shadow:0 30px 80px -24px rgba(18,24,41,.45);
  transform-origin:bottom right;transform:scale(.7) translateY(30px);opacity:0;visibility:hidden;transition:.4s var(--spring)}
.chat-panel.open{transform:none;opacity:1;visibility:visible}
.chat-head{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.chat-head>div:nth-child(2){flex:1;line-height:1.3}
.chat-status{display:flex;align-items:center;gap:6px;color:var(--teal);font-size:.78rem;font-weight:700}
.chat-status i{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:pulse 2s infinite}
.chat-body{flex:1;overflow-y:auto;padding:16px;scroll-behavior:smooth;background:var(--surface-2)}
.chat-intro{display:grid;gap:14px;text-align:center}
.chat-msgs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.msg{max-width:82%;padding:10px 14px;border-radius:18px;background:var(--surface);border:1px solid var(--line);word-wrap:break-word;white-space:pre-wrap;animation:msg-in .35s var(--spring)}
.msg.me{align-self:flex-end;background:var(--brand);border-color:transparent;color:#fff;border-bottom-right-radius:6px}
.msg.them{border-bottom-left-radius:6px}
.msg time{display:block;font-size:.7rem;opacity:.7;margin-top:2px}
.msg a{text-decoration:underline;font-weight:700}
@keyframes msg-in{from{opacity:0;transform:translateY(10px) scale(.95)}}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.chat-input input{flex:1}

/* forms */
input,textarea,select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface);outline:none;transition:border-color .2s,box-shadow .2s}
input::placeholder,textarea::placeholder{color:var(--muted)}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
input[type=checkbox]{width:auto;accent-color:var(--brand)}
textarea{min-height:110px;resize:vertical}
label{display:grid;gap:6px;font-size:.9rem;font-weight:700;color:var(--text-2)}
label small{font-weight:500}
.form{display:grid;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-error{color:var(--coral);min-height:1.2em;margin:10px 0 0;font-weight:700}
.check{display:flex;align-items:center;gap:10px;font-weight:700}
.consent{display:flex;align-items:flex-start;gap:10px;font-weight:500;font-size:.88rem;line-height:1.45;cursor:pointer}
.consent input{flex:none;width:18px;height:18px;margin:1px 0 0}
.consent a,.auth-legal a{color:var(--brand);font-weight:700;text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--brand-tint)}
.auth-legal{margin:14px 0 0;text-align:center;font-size:.8rem;color:var(--muted)}
.auth-legal a{font-weight:600;text-decoration:none}
.auth-forgot{justify-self:center;padding:2px 4px;border:0;background:none;font:inherit;font-size:.86rem;font-weight:600;color:var(--brand);cursor:pointer}
.auth-forgot:hover{text-decoration:underline;text-underline-offset:3px}
.forgot-lede{margin:0;color:var(--text-2);font-size:.92rem;line-height:1.55}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:0;display:grid;gap:14px}
legend{padding:0 8px;font-weight:800;font-size:.9rem;color:var(--text-2)}

/* auth */
.auth{position:relative;min-height:100svh;display:grid;place-items:center;padding:100px 16px 40px;overflow:hidden;background:linear-gradient(180deg,#fff,var(--ink))}
.auth-card{position:relative;z-index:2;width:min(440px,100%);padding:30px}
.auth-brand{display:grid;justify-items:center;gap:4px;margin-bottom:22px}
.auth-brand .wordmark{font:800 2.2rem/1 var(--sans);letter-spacing:-.045em;color:var(--brand)}
.slogan{color:var(--muted);font-weight:600}
.tabs{position:relative;display:grid;grid-template-columns:1fr 1fr;padding:5px;border-radius:14px;background:var(--ink-2);margin-bottom:20px}
.tab{position:relative;z-index:1;padding:10px;border:0;background:none;font-weight:800;color:var(--muted);cursor:pointer;transition:color .3s}
.tab.active{color:#fff}
.tab-ink{position:absolute;top:5px;bottom:5px;left:5px;width:calc(50% - 5px);border-radius:10px;background:var(--brand);box-shadow:0 6px 16px -6px var(--brand-glow);transition:transform .4s var(--spring)}
.tabs[data-active=register] .tab-ink{transform:translateX(100%)}
.role-toggle{display:flex;align-items:center;gap:12px;cursor:pointer;margin-bottom:18px}
.role-toggle input{position:absolute;opacity:0}
.switch{position:relative;width:46px;height:26px;border-radius:99px;background:var(--line-2);transition:.3s;flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:var(--shadow-sm);transition:.35s var(--spring)}
.role-toggle input:checked+.switch{background:var(--brand)}
.role-toggle input:checked+.switch::after{transform:translateX(20px)}
.role-toggle input:focus-visible+.switch{outline:3px solid var(--brand-glow);outline-offset:2px}
.social{display:grid;gap:10px}
.social .btn{justify-content:center;gap:12px}
.social-ico{width:22px;height:22px;display:grid;place-items:center;border-radius:6px;font-weight:900;font-size:.8rem;color:#fff}
.divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--muted);font-size:.82rem}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}

/* studio */
.studio-main{position:relative;z-index:1;min-width:0;display:grid;gap:20px;align-content:start;grid-template-columns:minmax(0,1fr)}
.qr-mini{padding:0;grid-template-columns:auto 1fr;box-shadow:none;background:none;border:0}
.qr-mini .qr-frame img{width:160px;height:160px}
.panel{padding:24px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);animation:panel-in .45s var(--ease) both;animation-delay:calc(var(--d,0)*60ms)}
@keyframes panel-in{from{opacity:0;transform:translateY(16px)}}
.panel h2{margin:0 0 16px;font:800 1.3rem var(--sans);letter-spacing:-.02em}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.panel-head h2{margin:0}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(180px,42%),1fr));gap:14px}
.kpi{padding:20px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line)}
.kpi b{display:block;font:800 1.9rem var(--sans);letter-spacing:-.03em;color:var(--brand)}
.kpi span{color:var(--muted);font-size:.88rem;font-weight:600}
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line)}
.table th{color:var(--muted);font-weight:800;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}
.list{display:grid;gap:10px;grid-template-columns:minmax(0,1fr)}
.row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);cursor:pointer;transition:.2s}
.row:hover{border-color:var(--brand);transform:translateX(3px);background:var(--surface)}
.row .grow{flex:1;min-width:0}
.row .grow strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.meter{height:12px;border-radius:99px;background:var(--ink-2);overflow:hidden}
.meter i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#2f55c0,var(--brand) 60%,var(--accent));transition:width 1.2s var(--ease)}
.plans{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.plan{position:relative;padding:20px 16px;border-radius:var(--radius);border:1px solid var(--line-2);background:var(--surface);cursor:pointer;text-align:center;transition:.3s var(--spring)}
.plan:hover{transform:translateY(-3px);border-color:var(--brand)}
.plan.sel{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.plan b{display:block;font:800 1.5rem var(--sans)}
.plan span{color:var(--brand);font-weight:800}
.dropzone{display:grid;place-items:center;gap:8px;padding:34px;border:2px dashed var(--line-2);border-radius:var(--radius);text-align:center;cursor:pointer;transition:.25s;background:var(--surface-2)}
.dropzone select{max-width:100%}
.dropzone.over{background:var(--brand-soft);border-color:var(--brand);transform:scale(1.01)}
.progress{height:6px;border-radius:99px;background:var(--ink-2);overflow:hidden}
.progress i{display:block;height:100%;background:var(--brand);width:0;transition:width .2s}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}
.file{display:grid;gap:8px;padding:12px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);position:relative}
.file-thumb{height:170px;display:grid;place-items:center;border-radius:12px;overflow:hidden;background:var(--surface-2)}
.file-thumb img,.file-thumb video{width:100%;height:100%;object-fit:cover}
.file-name{font-size:.85rem;font-weight:700;word-break:break-all;line-height:1.3}
.file-actions{display:flex;gap:6px;flex-wrap:wrap}
.status-processing{color:var(--amber)}
.status-processing::before{content:"";display:inline-block;width:10px;height:10px;margin-right:6px;border-radius:50%;border:2px solid var(--amber);border-right-color:transparent;animation:spin .8s linear infinite;vertical-align:-1px}
.inbox{display:grid;grid-template-columns:280px 1fr;min-height:520px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm)}
.inbox-list{border-right:1px solid var(--line);overflow-y:auto;max-height:640px}
.inbox-item{display:flex;gap:10px;align-items:center;padding:14px;border-bottom:1px solid var(--line);cursor:pointer;transition:.2s}
.inbox-item:hover,.inbox-item.active{background:var(--brand-soft)}
.inbox-item .grow{min-width:0;flex:1}
.inbox-item small{display:block;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inbox-item.unread strong::after{content:"";display:inline-block;width:8px;height:8px;margin-left:6px;border-radius:50%;background:var(--coral)}
.inbox-thread{display:flex;flex-direction:column;min-height:520px}
.inbox-thread .chat-body{max-height:560px}
.loader{width:40px;height:40px;margin:80px auto;border-radius:50%;border:3px solid var(--line);border-top-color:var(--brand);animation:spin .8s linear infinite}

/* ===== 3D номын хавтас ===== */
.book3d{--w:120px;--h:160px;--depth:22px;position:relative;width:var(--w);height:var(--h);perspective:900px;cursor:pointer;margin:6px auto}
.book3d .bk{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateY(-28deg);transition:transform .8s var(--spring)}
.book3d:hover .bk{transform:rotateY(-8deg) translateZ(10px)}
.book3d .cover{position:absolute;inset:0;border-radius:2px 6px 6px 2px;overflow:hidden;transform:translateZ(calc(var(--depth)/2));
  background:linear-gradient(135deg,hsl(var(--hue,222) 72% 50%),hsl(calc(var(--hue,222) + 12) 70% 32%));box-shadow:inset 4px 0 8px rgba(0,0,0,.25)}
.book3d .cover canvas{width:100%;height:100%;object-fit:cover;display:block}
.book3d .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.28) 0 4%,rgba(255,255,255,.22) 5%,transparent 12%,transparent 80%,rgba(255,255,255,.1))}
.book3d .cover .cover-title{position:absolute;inset:auto 10px 12px 14px;font:800 .8rem/1.2 var(--sans);color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.book3d .pages{position:absolute;top:3px;bottom:3px;right:0;width:var(--depth);transform:rotateY(90deg) translateZ(calc(var(--w) - var(--depth)/2 - 3px));
  background:repeating-linear-gradient(90deg,#fbf8f1 0 1px,#ddd6c6 1px 2px)}
.book3d .back{position:absolute;inset:0;border-radius:2px 6px 6px 2px;transform:translateZ(calc(var(--depth)/-2));background:hsl(calc(var(--hue,222) + 12) 60% 26%);box-shadow:-10px 18px 30px rgba(18,24,41,.28)}
.book3d .spine{position:absolute;top:0;bottom:0;left:0;width:var(--depth);transform:rotateY(-90deg) translateZ(calc(var(--depth)/2));transform-origin:center;background:hsl(calc(var(--hue,222) + 8) 62% 30%)}

/* ===== 3D хуудас эргүүлдэг ном (уншигч — нүдэнд амар саарал дэвсгэр) ===== */
.flipbook{position:fixed;inset:0;z-index:95;display:flex;flex-direction:column;background:radial-gradient(ellipse at center,#eef1f8 0%,#cfd6e6 80%);opacity:0;visibility:hidden;transition:.3s var(--ease)}
.flipbook.open{opacity:1;visibility:visible}
.fb-bar{display:flex;align-items:center;gap:12px;padding:12px 18px;color:var(--muted);background:var(--surface);border-bottom:1px solid var(--line)}
.fb-bar strong{color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fb-stage{flex:1;display:grid;place-items:center;perspective:2600px;overflow:hidden;touch-action:pan-y}
.fb-book{position:relative;transform-style:preserve-3d;transition:transform .8s var(--ease)}
.fb-book.closed-front{transform:translateX(-25%)} .fb-book.closed-back{transform:translateX(25%)}
.fb-book::before{content:"";position:absolute;left:50%;top:2%;bottom:-4%;width:96%;transform:translateX(-50%);background:radial-gradient(ellipse at center,rgba(18,24,41,.35),transparent 70%);filter:blur(20px);z-index:-1}
.leaf{position:absolute;top:0;left:50%;width:50%;height:100%;transform-origin:left center;transform-style:preserve-3d;transition:transform 1s cubic-bezier(.45,.05,.2,1)}
.leaf.flipped{transform:rotateY(-180deg)}
.leaf .face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:#fff;overflow:hidden}
.leaf .face canvas{width:100%;height:100%;display:block}
.leaf .front{border-radius:0 6px 6px 0;box-shadow:inset 18px 0 30px -18px rgba(0,0,0,.3)}
.leaf .back{transform:rotateY(180deg);border-radius:6px 0 0 6px;box-shadow:inset -18px 0 30px -18px rgba(0,0,0,.3)}
.leaf .face::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.0),rgba(0,0,0,.0));transition:background 1s}
.leaf.turning .front::after{background:linear-gradient(90deg,rgba(0,0,0,.18),transparent 60%)}
.leaf .pnum{position:absolute;bottom:8px;font-size:.7rem;color:#8a8373}
.leaf .front .pnum{right:12px}.leaf .back .pnum{left:12px}
.page-loading{display:grid;place-items:center;height:100%;color:#b9b2a3;font-size:.8rem}
.fb-nav{display:flex;justify-content:center;align-items:center;gap:16px;padding:12px;color:var(--muted);background:var(--surface);border-top:1px solid var(--line)}
.fb-nav input[type=range]{width:min(360px,50vw);accent-color:var(--brand);padding:0;border:0;box-shadow:none}
.fb-book.single .leaf{left:0;width:100%}
.fb-book.single .leaf .back{display:none}

/* toasts */
.toast-stack{position:fixed;left:50%;bottom:24px;z-index:120;display:grid;gap:8px;transform:translateX(-50%);pointer-events:none}
.toast{padding:12px 18px;border-radius:14px;background:var(--text);color:#fff;box-shadow:var(--shadow);font-weight:700;animation:toast-in .4s var(--spring)}
.toast.err{background:var(--coral)}
@keyframes toast-in{from{opacity:0;transform:translateY(16px) scale(.94)}}

/* мэдэгдлийн хонх */
.bell-wrap{position:relative}
.bell{position:relative;font-size:1.15rem}
.bell-badge{position:absolute;top:-2px;right:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:99px;background:var(--coral);color:#fff;font-size:.68rem;font-weight:800;display:grid;place-items:center;animation:pop .4s var(--spring)}
@keyframes pop{from{transform:scale(0)}}
.bell-panel{position:absolute;right:0;top:calc(100% + 10px);width:min(360px,calc(100vw - 32px));max-height:70vh;overflow:auto;padding:8px;animation:panel-in .3s var(--ease)}
.bell-head{display:flex;justify-content:space-between;align-items:center;padding:8px 10px}
.bell-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.bell-list>li.muted{padding:14px 10px}
.bell-item a{display:grid;gap:2px;padding:10px 12px;border-radius:12px;transition:.2s}
.bell-item a:hover{background:var(--surface-2)}
.bell-item.unread a{background:var(--brand-soft)}
.bell-item span{color:var(--muted);font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bell-item time{font-size:.72rem;color:var(--muted)}

/* responsive: компьютер ≥1101, таблет 561–1100, утас ≤560 */
@media (min-width:561px) and (max-width:900px){
  .hero-card{grid-template-columns:repeat(4,1fr)}
  .hero-card .stat-wide{grid-column:auto / span 2}
  .course-page .hero-card{grid-template-columns:1fr 1fr 2fr}
  .course-page .hero-card .stat-wide{grid-column:auto}
}
@media (min-width:901px) and (max-width:1100px){
  .hero-inner{grid-template-columns:1.1fr .9fr;gap:32px}
}
@media (max-width:900px){
  .hero{min-height:0}
  .hero-inner{grid-template-columns:1fr}
  .inbox{grid-template-columns:1fr}
  .inbox-list{max-height:220px;border-right:0;border-bottom:1px solid var(--line)}
  .qr-card,.qr-mini{grid-template-columns:1fr;justify-items:center;text-align:center}
  .qr-card .hero-cta{justify-content:center}
}
@media (max-width:560px){
  .nav{padding:10px 16px}
  .nav-links{gap:2px}
  .nav-link{padding:8px}
  .nav [data-logout]{display:none}
  .row{flex-wrap:wrap}
  .row .grow{flex-basis:100%}
  .hero{padding-top:92px}
  .hero-card{grid-template-columns:1fr 1fr}
  .stat{padding:16px 12px}
  .form-row{grid-template-columns:1fr}
  .lesson{display:grid;grid-template-columns:auto 1fr auto;gap:6px 12px;align-items:center}
  .lesson>.btn{grid-column:2 / -1;justify-self:start}
  .lesson .lp-mode,.lesson .lp-price{grid-column:2 / -1}
  .btn-lg{padding:14px 18px}
  .hero-cta .btn-lg{flex:1 1 auto}
  .qr-frame img{width:180px;height:180px}
  .qr-card{padding:24px}
  .panel{padding:18px}
  .kpi b{font-size:1.6rem}
  .table{display:block;overflow-x:auto;white-space:nowrap}
  .file-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .dropzone{padding:22px 14px}
  .file-thumb{height:130px}
  .book3d{--w:96px;--h:128px;--depth:18px}
  .chat-panel{right:8px;left:8px;width:auto;bottom:86px;height:calc(100svh - 110px)}
  .chat-fab{right:14px;bottom:14px}
  .fb-bar{padding:10px 12px}
  .dash{padding-top:78px}
  .item{flex-wrap:wrap}
  .item .grow{flex-basis:calc(100% - 60px)}
  .item>.chip,.item>.btn,.item>strong:not(:first-child),.item>time{margin-left:56px}
  .item>.chip~.btn,.item>strong~.chip{margin-left:0}
  .dash-head{padding:20px}
  .strength{grid-template-columns:1fr;justify-items:start}
  .bio{padding:20px}
}
@media (hover:none){ .tilt{transform:none!important} .lesson:hover{transform:none} }
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .curtain{display:none}
  .reveal,.split .w>span{opacity:1;transform:none}
}
/* ===== студи: нил ягаан хажуугийн цэс + дээд самбар + чатын жагсаалт ===== */
body[data-page=studio]{--side-w:248px;--rail-w:0px}
body[data-page=studio].side-mini{--side-w:76px}
body[data-page=studio] .nav{left:var(--side-w);right:var(--rail-w);justify-content:flex-end;gap:12px;transition:left .3s var(--ease)}
body[data-page=studio] .nav .brand,body[data-page=studio] .nav a[href="/studio"]{display:none}
body[data-page=home] main{min-height:calc(100svh - 82px)}
.nav .nav-burger{display:none;margin-right:auto;color:var(--text)}
.studio{position:relative;min-height:100svh;padding:84px calc(var(--rail-w) + clamp(12px,2vw,28px)) 40px calc(var(--side-w) + clamp(12px,2vw,28px));transition:padding .3s var(--ease)}
.side{position:fixed;inset:0 auto 0 0;z-index:60;width:var(--side-w);display:flex;flex-direction:column;gap:14px;padding:16px 12px;color:#fff;overflow:hidden auto;
  background:linear-gradient(180deg,#172c6b 0%,#1f3c8f 55%,#24449f 100%);box-shadow:4px 0 30px -12px rgba(23,44,107,.6);transition:width .3s var(--ease),transform .3s var(--ease)}
.side-top{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:40px}
.side-brand{display:flex;align-items:center;gap:10px;min-width:0}
.side-brand .wordmark{display:block;font:800 1.35rem/1.1 var(--sans);letter-spacing:-.04em;color:#fff}
.side-mark{display:none;place-items:center;width:38px;height:38px;border-radius:11px;background:#fff;color:var(--brand);font:800 1.3rem/1 var(--sans)}
.side-mark::after{content:"";width:6px;height:6px;margin:10px 0 0 1px;border-radius:50%;background:var(--accent)}
.side-mini .side-mark{display:flex;justify-content:center}
.side-brand small{display:block;margin-top:3px;font-size:.7rem;font-weight:600;opacity:.8;white-space:nowrap}
.side-toggle{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;cursor:pointer;transition:.2s}
.side-toggle:hover{background:rgba(255,255,255,.22)}
.side-search{display:flex;align-items:center;gap:8px;padding:0 12px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8)}
.side-search input{border:0;background:none;box-shadow:none;padding:10px 0;color:#fff;font-weight:600}
.side-search input::placeholder{color:rgba(255,255,255,.65)}
.side-search:focus-within{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}
.side-nav{display:grid;gap:4px;align-content:start;flex:1}
.side-nav button,.side-foot a,.side-foot button,.side-results a{display:flex;align-items:center;gap:12px;width:100%;padding:11px 12px;border-radius:12px;border:0;background:none;color:rgba(255,255,255,.86);
  font-weight:700;font-size:.94rem;text-align:left;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s}
.side-nav svg,.side-foot svg{flex:none;padding:7px;width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);transition:.2s}
.side-nav button:hover,.side-foot a:hover,.side-foot button:hover,.side-results a:hover{background:rgba(255,255,255,.12);color:#fff}
.side-nav button.active{background:rgba(255,255,255,.16);color:#fff;box-shadow:inset 3px 0 0 var(--accent)}
.side-nav button.active svg{background:#fff;color:var(--brand)}
.side-results{display:grid;gap:2px;margin-top:6px}
.side-results:not(:empty){padding-top:8px;border-top:1px solid rgba(255,255,255,.18)}
.side-results a{font-weight:600;font-size:.88rem;padding:8px 12px}
.side-results .side-label{overflow:hidden;text-overflow:ellipsis}
.side-empty{margin:0;padding:8px 12px;font-size:.85rem;opacity:.75}
.side-foot{display:grid;gap:4px;padding-top:12px;border-top:1px solid rgba(255,255,255,.18)}
.side-scrim{display:none}
.side-mini .side-label,.side-mini .side-search,.side-mini .side-results{display:none}
.side-mini .side-top{flex-direction:column}
.side-mini .side-nav button,.side-mini .side-foot a,.side-mini .side-foot button{justify-content:center;padding:8px 0}
.side-mini .side-nav button.active{box-shadow:none}
.side-mini .side-toggle svg{transform:scaleX(-1)}

.rail{position:fixed;inset:0 0 0 auto;z-index:55;width:300px;display:none;flex-direction:column;gap:12px;padding:16px 14px;background:var(--surface);border-left:1px solid var(--line)}
.rail-head{display:flex;align-items:center;gap:10px;min-height:40px}
.rail-head strong{display:flex;align-items:center;gap:8px;font-size:1.05rem;margin-right:auto}
.rail-head strong i{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.rail-search{display:flex;align-items:center;gap:8px;padding:0 12px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted)}
.rail-search input{border:0;background:none;box-shadow:none;padding:10px 0}
.rail-list{flex:1;overflow-y:auto;display:grid;grid-template-columns:minmax(0,1fr);gap:2px;align-content:start}
.rail-view{display:flex;flex-direction:column;gap:12px;flex:1;min-height:0}
.rail-head .grow{flex:1;min-width:0;line-height:1.25}
.rail-head .grow strong,.rail-head .grow small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#railBack svg{transform:scaleX(-1)}
#railThread .chat-body{flex:1;min-height:0;margin:0 -14px;border-top:1px solid var(--line)}
#railThread .chat-input{margin:0 -14px -16px;padding:10px 12px}
#railThread .msg{max-width:88%;font-size:.94rem}
.rail-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px;border:0;border-radius:12px;background:none;text-align:left;cursor:pointer;transition:.2s}
.rail-item:hover{background:var(--brand-soft)}
.rail-item .grow{min-width:0;flex:1}
.rail-item strong,.rail-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-item small{color:var(--muted);font-size:.8rem}
.rail-item small b{color:var(--brand);font-weight:700}
.rail-item.unread strong::after{content:"";display:inline-block;width:8px;height:8px;margin-left:6px;border-radius:50%;background:var(--coral)}
.rail .loader{margin:40px auto}
.rail-toggle{position:relative;display:none;color:var(--text)}
/* Чатын самбар: нэвтэрсэн хүн бүрт. Өргөн дэлгэцэд баруун талд байнга наалдсан,
   нарийн дэлгэцэд дээд цэсний товчоор гулсаж гарна. */
:root{--rail-w:0px}
.nav .rail-toggle{display:inline-grid}
.rail .rail-close{display:inline-grid}
.rail{display:flex;width:min(380px,100vw);transform:translateX(104%);box-shadow:none;transition:transform .3s var(--ease),box-shadow .3s;z-index:62}
.rail-open .rail{transform:none;box-shadow:-10px 0 40px -16px rgba(18,24,41,.35)}
.rail-scrim{display:none}
.rail-open .rail-scrim{display:block;position:fixed;inset:0;z-index:61;background:rgba(18,24,41,.3)}
@media (min-width:1280px){
  html.has-rail{--rail-w:320px}
  html.has-rail body{padding-right:var(--rail-w)}
  html.has-rail .nav{right:var(--rail-w)}
  html.has-rail .nav .rail-toggle,html.has-rail .rail .rail-close{display:none}
  html.has-rail .rail{width:var(--rail-w);transform:none!important;box-shadow:none;z-index:45}
  html.has-rail .rail-scrim{display:none!important}
  html.has-rail .pf-stuck .pf-tabs{right:var(--rail-w)}
  html.has-rail .toast-stack{left:calc(50% - var(--rail-w)/2)}
  html.has-rail .viewas-bar{left:calc(50% - var(--rail-w)/2)}
  html.has-rail .chat-fab{right:calc(22px + var(--rail-w))}
}
/* Түргэн үйлдлүүд: таб доор, бүтэн өргөнөөр, том ойлгомжтой товчнууд */
.quick{grid-column:1/-1;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.quick>*{display:grid;justify-items:center;gap:4px;padding:16px 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);text-align:center;cursor:pointer;font:inherit;box-shadow:var(--shadow-sm);transition:.2s var(--ease)}
.quick>*:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
.quick i{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand);margin-bottom:4px}
.quick>*:first-child i{background:var(--brand);color:#fff}
.quick b{font-size:.95rem;letter-spacing:-.01em}
.quick small{color:var(--muted);font-size:.78rem;line-height:1.3}
@media (max-width:560px){ .quick{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px} .quick>*{padding:12px 6px} .quick small{display:none} .quick i{width:40px;height:40px} }
/* Профайл дээрх удирдлагын горим: хажуу баганыг нууж, бүтэн өргөнөөр (зочны харагдах өргөнтэй ижил — 1360px) */
.pf.manage .pf-body{grid-template-columns:minmax(0,1fr);max-width:1360px}
.pf.manage .pf-tabs,.pf.manage .pf-bar{max-width:1360px}
.pf.manage .pf-cover{max-width:1424px}
.pf.manage .gp-body{grid-template-columns:minmax(0,1fr) minmax(0,340px)}
.pf.manage .post-editor textarea{min-height:140px}
.pf.manage .pf-side{display:none}
.pf-manage{gap:20px}
.pf-manage .ov{grid-template-columns:minmax(0,1fr) 300px}
@media (max-width:1100px){ .pf-manage .ov{grid-template-columns:minmax(0,1fr)} }

/* студийн нүүр */
.ov{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
.ov-main,.ov-side,.ov-stack{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;min-width:0;align-content:start}
/* Агуулгын өргөнөөр (дэлгэцийнхээр биш) хувирна: цэс хураагдсан/чатын жагсаалт гарсан үед ч зөв. */
.ov-main{container-type:inline-size}
@container (max-width:820px){ .stat-tiles{grid-template-columns:repeat(2,minmax(0,1fr))} .ov-split{grid-template-columns:minmax(0,1fr)} }
.ov-split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px;align-items:start}
.banner{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:26px 28px;border-radius:var(--radius-lg);color:#fff;
  background:linear-gradient(120deg,#172c6b,#1f3c8f 50%,#2f55c0);border-bottom:5px solid var(--accent);box-shadow:0 22px 44px -24px rgba(31,60,143,.75);animation:panel-in .45s var(--ease) both}
.banner .grow{flex:1 1 240px;min-width:0}
.banner-hi{font-weight:700;opacity:.85;text-transform:lowercase}
.banner h1{margin:2px 0 12px;font:800 clamp(1.5rem,3vw,2rem)/1.15 var(--sans);letter-spacing:-.025em}
.banner-chips{display:flex;flex-wrap:wrap;gap:8px;min-width:0}
.banner-chips span{display:inline-block;vertical-align:top;align-items:center;gap:6px;max-width:100%;padding:6px 12px;border-radius:99px;font-size:.82rem;font-weight:700;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.banner-chips svg{display:inline-block;vertical-align:-2px;margin-right:6px}
.banner-clock{padding:14px 22px;border-radius:18px;text-align:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26)}
.banner-clock b{display:block;font:800 2.1rem/1.1 var(--sans);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.banner-clock b small{font-size:.5em;opacity:.75}
.banner-clock span{font-size:.82rem;font-weight:700;opacity:.9}
.stat-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-tile{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:center;padding:18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.25s var(--ease)}
.stat-tile:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
.stat-ico{display:grid;place-items:center;width:42px;height:42px;border-radius:12px}
.stat-tile b{justify-self:end;min-width:0;white-space:nowrap;font:800 clamp(1.25rem,2.2cqi,1.7rem)/1 var(--sans);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-tile strong{grid-column:1/-1;margin-top:10px;font-size:.92rem}
.stat-tile small{grid-column:1/-1;color:var(--muted);font-size:.8rem}
.t-indigo{background:var(--brand-soft);color:var(--brand)}.t-amber{background:var(--amber-soft);color:var(--amber)}
.t-teal{background:var(--teal-soft);color:var(--teal)}.t-pink{background:var(--accent-soft);color:var(--accent-ink)}
.panel-head h2{display:flex;align-items:center;gap:10px}
.panel-head h2 svg{color:var(--brand)}
.link{display:inline-flex;align-items:center;gap:4px;font-weight:700;font-size:.88rem;color:var(--brand)}
.link:hover{text-decoration:underline}
.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.group{--h:222;display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:.25s var(--ease)}
.group:hover{transform:translateY(-3px);border-color:hsl(var(--h) 80% 70%);box-shadow:var(--shadow)}
.group-art{position:relative;height:84px;display:grid;place-items:center;background:linear-gradient(135deg,hsl(var(--h) 78% 54%),hsl(calc(var(--h) + 12) 80% 36%))}
.group-art b{font:800 2rem var(--sans);color:rgba(255,255,255,.9)}
.group-art .chip{position:absolute;left:10px;top:10px;background:#fff;color:var(--text)}
.group-body{display:grid;gap:6px;padding:14px}
.group-body strong{line-height:1.3}
.group-body small{display:flex;align-items:center;gap:5px;flex-wrap:wrap;color:var(--muted);font-size:.8rem}
.group-new{align-items:center;justify-content:center;gap:8px;min-height:150px;border:1.5px dashed var(--line-2);color:var(--muted);background:var(--surface-2)}
.group-new:hover{color:var(--brand);border-color:var(--brand)}
.days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;padding-top:8px}
.day{position:relative;display:grid;gap:2px;justify-items:center;padding:10px 0;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;color:var(--muted);transition:.2s}
.day small{font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.day b{font-size:1.1rem;color:var(--text-2)}
.day i{position:absolute;top:-6px;right:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:99px;display:grid;place-items:center;font-style:normal;font-size:.66rem;font-weight:800;background:var(--accent);color:#1b1305}
.day:hover{border-color:var(--brand)}
.day.active{background:var(--brand);border-color:transparent;color:rgba(255,255,255,.85);box-shadow:0 10px 20px -10px var(--brand-glow)}
.day.active b{color:#fff}.day.active i{background:var(--accent);color:#1b1305}
.agenda{display:grid;gap:12px;margin-top:16px}
.slot{display:grid;grid-template-columns:64px 1fr;gap:12px}
.slot-time{padding-top:12px;text-align:right}
.slot-time b{display:block}.slot-time small{color:var(--muted)}
.slot-body{display:grid;gap:4px;padding:14px;border-radius:var(--radius);border:1px solid var(--line);border-left:4px solid var(--brand);background:var(--surface)}
.slot-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.slot-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.next-when{margin:0;font-weight:800;color:var(--brand);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.next-title{margin:.3em 0 .1em;font:800 1.25rem/1.25 var(--sans);letter-spacing:-.02em}
.idcard{border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);animation:panel-in .45s var(--ease) both}
.idcard-top{display:grid;justify-items:center;gap:4px;padding:26px 16px 16px;color:#fff;text-align:center;background:radial-gradient(circle at 50% -10%,rgba(255,255,255,.22),transparent 55%),linear-gradient(160deg,#172c6b,#2648a8)}
.idcard-avatar{display:grid;place-items:center;width:88px;height:88px;margin-bottom:8px;border-radius:50%;overflow:hidden;font:800 1.9rem var(--sans);background:rgba(255,255,255,.2);border:3px solid rgba(255,255,255,.75)}
.idcard-avatar img{width:100%;height:100%;object-fit:cover}
.idcard-top>small{opacity:.85;font-weight:600}
.idcard-role{margin-top:6px;padding:3px 14px;border-radius:99px;font-size:.7rem;font-weight:800;letter-spacing:.12em;background:var(--accent);color:#1b1305}
.idcard-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.22)}
.idcard-actions a,.idcard-actions button{display:grid;justify-items:center;gap:4px;padding:10px 4px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.12);color:#fff;font-size:.74rem;font-weight:700;cursor:pointer;transition:.2s}
.idcard-actions a:hover,.idcard-actions button:hover{background:rgba(255,255,255,.26)}
.idcard-actions .danger{background:rgba(225,29,72,.35);border-color:rgba(255,255,255,.25)}
.idcard-info{margin:0;padding:18px;display:grid;gap:12px}
.info-title{margin:0;font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.info dt{font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.info dd{margin:2px 0 0;font-weight:700;word-break:break-word}
.qr-side{display:grid;justify-items:center;gap:8px;text-align:center}
.qr-side .qr-frame{padding:10px;box-shadow:0 0 0 6px var(--brand-soft)}
.qr-side .qr-frame img{width:132px;height:132px}
@media (max-width:1280px){ .ov{grid-template-columns:minmax(0,1fr)} .ov-side{grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr))} }
@media (max-width:1100px){ .ov-split{grid-template-columns:minmax(0,1fr)} .stat-tiles{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:900px){
  body[data-page=studio],body[data-page=studio].side-mini{--side-w:0px}
  .nav .nav-burger{display:inline-grid}
  .side{width:268px;transform:translateX(-102%)}
  .side-open .side{transform:none}
  .side-mini .side-label{display:revert}.side-mini .side-search{display:flex}.side-mini .side-top{flex-direction:row}
  .side-mini .side-nav button,.side-mini .side-foot a,.side-mini .side-foot button{justify-content:flex-start;padding:11px 12px}
  .side-open .side-scrim{display:block;position:fixed;inset:0;z-index:59;background:rgba(18,24,41,.45)}
}
@media (max-width:560px){
  .banner{padding:20px}.banner-clock{width:100%}
  .stat-tiles{gap:10px}.stat-tile{padding:14px}.stat-tile b{font-size:1.35rem}
  .days{gap:4px}.day{border-radius:10px}
  .slot{grid-template-columns:1fr}.slot-time{text-align:left;padding:0;display:flex;gap:8px;align-items:baseline}
}
.link-form{display:flex;gap:10px;flex-wrap:wrap;align-items:stretch}
.link-field{flex:1 1 280px;display:flex;align-items:center;gap:0;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.link-field:focus-within{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.link-field span{flex:none;padding:12px 2px 12px 14px;color:var(--muted);font-weight:600;white-space:nowrap}
.link-field input{flex:1;min-width:80px;border:0;border-radius:0;background:none;padding:12px 14px 12px 0;font-weight:800;color:var(--brand);box-shadow:none!important}
.link-hint{margin:10px 0 0;font-size:.88rem;font-weight:600;color:var(--muted);min-height:1.4em}
.link-hint.ok{color:var(--teal)}.link-hint.bad{color:var(--coral)}
.pw{position:relative;display:block}
.pw input{padding-right:46px}
.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:50%;background:none;color:var(--muted);cursor:pointer}
.pw-eye:hover{background:var(--ink-2);color:var(--text)}
.pw-eye.on{color:var(--brand)}
.pw-match{min-height:1.3em;font-weight:700}
.pw-match.ok{color:var(--teal)}.pw-match.bad{color:var(--coral)}
.btn-social{justify-content:center;gap:12px;background:var(--surface);border-color:var(--line-2);color:var(--text);font-weight:700}
.btn-social svg,.btn-social .social-ico{flex:none}
/* ===== студи: сургалтыг групп шиг удирдах ===== */
.gp-list-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.gp-list-head h1{margin:0;font:800 1.7rem var(--sans);letter-spacing:-.03em}
.gp-list-head p{margin:2px 0 0}
.gp-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.gp-grid .group-art{height:110px}
button.group{cursor:pointer;font:inherit;color:var(--muted)}
.gp-head{border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);animation:panel-in .4s var(--ease) both}
.gp-cover{position:relative;height:clamp(120px,18vw,200px);display:grid;place-items:center;background:radial-gradient(circle at 15% 0%,hsl(var(--h) 90% 66%),transparent 50%),linear-gradient(120deg,hsl(var(--h) 74% 30%),hsl(calc(var(--h) + 10) 78% 44%));border-bottom:5px solid var(--accent)}
.gp-cover::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0 26px,rgba(255,255,255,.06) 26px 27px)}
.gp-cover b{position:relative;font:800 clamp(3rem,8vw,5rem)/1 var(--sans);color:rgba(255,255,255,.3)}
.gp-back{position:absolute;left:14px;top:14px;z-index:1;display:inline-flex;align-items:center;gap:4px;padding:7px 14px 7px 8px;border-radius:99px;background:rgba(255,255,255,.92);font-weight:700;font-size:.88rem;box-shadow:var(--shadow-sm)}
.gp-back:hover{background:#fff;color:var(--brand)}
.gp-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 22px}
.gp-bar .grow{flex:1;min-width:220px}
.gp-bar h1{margin:0;font:800 clamp(1.4rem,2.6vw,1.9rem)/1.2 var(--sans);letter-spacing:-.03em}
.gp-bar p{margin:4px 0 0;font-weight:600}.gp-bar p svg{vertical-align:-2px;margin-right:5px}.gp-bar p b{color:var(--text)}
.gp-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,320px);gap:18px;align-items:start}
.gp-feed,.gp-side{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;min-width:0}
.gp-side{position:sticky;top:84px}
.composer-box{padding:14px}
button.composer{width:100%;border:0;background:none;padding:0;cursor:pointer;font:inherit;text-align:left}
button.composer:hover .composer-input{background:#e3e8f5}
.post-editor{gap:10px}
.pe-title{font-weight:800;font-size:1.05rem}
.pe-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pe-attached{display:flex;align-items:center;gap:8px;padding:6px 6px 6px 12px;border-radius:12px;background:var(--brand-soft);color:var(--brand-2);font-weight:700;font-size:.9rem}
.pe-attached span{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pe-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:10px;border-top:1px solid var(--line)}
.pe-foot .grow{flex:1}
.pe-price{display:flex;grid-auto-flow:column;align-items:center;gap:6px;font-weight:800}
.pe-price input{width:120px;padding:8px 12px}
.pe-hint{margin:0}
.seg{display:inline-flex;padding:3px;border-radius:99px;background:var(--ink-2)}
.seg label{display:block;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:99px;font-size:.88rem;font-weight:700;color:var(--muted);transition:.2s}
.seg input:checked+span{background:var(--surface);color:var(--brand);box-shadow:var(--shadow-sm)}
.seg input:focus-visible+span{outline:3px solid var(--brand-glow)}
.post{border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;animation:panel-in .4s var(--ease) both}
.post>.post-editor{padding:16px}
.post-head{display:flex;align-items:center;gap:12px;padding:14px 14px 0 16px}
.post-head .grow{flex:1;min-width:0;line-height:1.3}
.post-head strong{display:block}
.post-head small{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.aud{display:inline-flex;align-items:center;gap:4px;font-weight:700}
.aud-free{color:var(--teal)}.aud-paid{color:var(--accent-2)}
.post-body{padding:10px 16px 14px}
.post-body h3{margin:0 0 4px;font:800 1.12rem/1.3 var(--sans);letter-spacing:-.015em}
.post-text{margin:0;white-space:pre-line;color:var(--text-2);overflow-wrap:anywhere}
.post-text a{color:var(--brand);font-weight:700}
.post-media{background:#0b0d16}
.post-media img{width:100%;max-height:520px;object-fit:contain}
.post-media iframe,.post-media video{display:block;width:100%;aspect-ratio:16/9;border:0}
.post-attach{display:flex;align-items:center;gap:12px;width:calc(100% - 32px);margin:0 16px 14px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;font:inherit;text-align:left;color:var(--brand);transition:.2s}
.post-attach:hover{border-color:var(--brand);background:var(--brand-soft)}
.post-attach span{flex:1;min-width:0}
.post-attach strong,.post-attach small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}
.post-foot{display:flex;border-top:1px solid var(--line);padding:4px}
.post-foot>*{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 8px;border:0;border-radius:10px;background:none;font:inherit;font-weight:700;font-size:.9rem;color:var(--muted);cursor:pointer;transition:.2s;white-space:nowrap}
.post-foot>*:hover{background:var(--ink-2);color:var(--brand)}
@media (max-width:1100px){ .gp-body,.pf.manage .gp-body{grid-template-columns:minmax(0,1fr)} .gp-side{position:static;order:-1} }
@media (max-width:560px){ .post-foot>*{font-size:.8rem;gap:5px} .gp-bar{padding:14px 16px} }
/* Бүлэг чат */
.msg-who{display:block;font-size:.72rem;font-weight:800;color:var(--brand);margin-bottom:2px}
.msg.me .msg-who{color:rgba(255,255,255,.85)}
.avatar.group{background:var(--brand-soft);color:var(--brand);font-size:.95rem}
.rail-item .chip,.inbox-item .chip{margin-left:auto}
.chat-head .chip{margin-left:auto}
/* ===== Тайван горим: толгой эргүүлдэг хөдөлгөөнгүй ===== */
.spotlight,.grain{display:none}
.aurora i{animation:none}
.aurora{opacity:.35}
.avatar-ring{animation:none}
.avatar-wrap::before{display:none}
.reveal{opacity:1;transform:none;transition:none}
.split .w>span{transform:none;transition:none}
.tilt,.tilt.tilting{transform:none!important}
.glare{display:none}
.pf-cover-qr{animation:none}
.pf-cover-qr:hover{transform:translateY(-58%)}
.qr-scan,.pf-cover-qr-img .qr-scan{display:none}
.chat-status i{animation:none}
.pf-cover img{animation:none}
.panel,.post,.pf-panel,.gp-head,.idcard,.banner{animation:none}
.course-card,.tile,.stat-tile,.group,.person,.item,.quick>*{transition:border-color .15s,box-shadow .15s}
.course-card:hover,.tile:hover,.stat-tile:hover,.group:hover,.person:hover,.quick>*:hover{transform:none}
.btn{transition:background .15s,border-color .15s,color .15s,box-shadow .15s}
.btn:active{transform:none}
.gp-cover{height:clamp(84px,10vw,120px)}
.gp-cover b{font-size:clamp(2rem,5vw,3rem)}
/* Дараалсан нээлт, явц */
.progress-line{display:flex;align-items:center;gap:12px;margin-top:14px;max-width:520px}
.progress-line .meter{flex:1;height:10px}
.lesson-state{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-top:2px}
/* Хөтөлбөрийн бүлгүүд (модуль) */
.lessons-grouped{gap:14px}
.lesson-group{list-style:none}
.lesson-group details{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}
.lesson-group summary{list-style:none;cursor:pointer}
.lesson-group summary::-webkit-details-marker{display:none}
.lg-head{display:flex;align-items:center;gap:14px;padding:14px 18px;background:linear-gradient(90deg,rgba(31,60,143,.07),transparent 60%)}
.lg-head:hover{background:linear-gradient(90deg,rgba(31,60,143,.12),transparent 60%)}
.lg-num{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;font:800 .9rem var(--sans);flex:none}
.lg-title{flex:1;font-weight:800;font-size:1.05rem;color:var(--text);display:flex;flex-direction:column;gap:2px;min-width:0}
.lg-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:.8rem;font-weight:600;color:var(--muted)}
.lg-prog{color:var(--brand)}
.lg-prog.done{color:var(--teal)}
.lg-chev{color:var(--muted);transition:transform .2s;font-size:1.1rem}
.lesson-group details:not([open]) .lg-chev{transform:rotate(-90deg)}
.lg-list{padding:6px 10px 10px;gap:8px}
.lg-list .lesson{box-shadow:none}
.lg-list .lesson:hover{transform:none;border-color:var(--brand)}
@media (max-width:640px){.lg-head{padding:12px 14px;gap:10px}.lg-list{padding:4px 6px 8px}}
/* Багшийн редактор: бүлгийн толгой */
.sec-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:14px;background:var(--surface);border:1px solid var(--line);margin:6px 0 2px}
.sec-head .lg-num{width:32px;height:32px;border-radius:9px;font-size:.85rem}
.sec-head h2{margin:0;font-size:1.05rem;flex:1;min-width:0}
.sec-head small{display:block;font-weight:600;color:var(--muted);font-size:.78rem}
.sec-head .btn{white-space:nowrap}
.pe-section{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pe-section select,.pe-section input{flex:1;min-width:160px}
.lesson-kind{display:inline-flex;gap:6px;margin-left:8px;vertical-align:middle}
.lesson-kind em,.kind{display:inline-block;padding:2px 8px;border-radius:6px;font-style:normal;font-size:.72rem;font-weight:800;letter-spacing:.02em;background:var(--ink-2);color:var(--text-2)}
.kind-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kind-row label{font-size:.82rem}
.kind-row select{padding:9px 12px}
@media (max-width:560px){ .lesson-kind{display:flex;margin:4px 0 0} .kind-row{grid-template-columns:1fr} }
.lesson-state.timer{color:var(--amber)}
.lesson.is-drip{opacity:.78}
.lesson.is-drip .lesson-num{color:var(--line-2)}
.lesson.is-done{border-left:4px solid var(--teal)}
.lesson.is-done .lesson-num{color:var(--teal)}
.lesson-done{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.drip-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:10px;border-top:1px dashed var(--line)}
.drip-row select{width:auto;padding:8px 12px}
/* ===== Material давхарга (Google-ийн хэв маяг) =====
   Дугуй (pill) товч, хавтгай өнгө, тодорхой давхарга (elevation), дарахад долгионтох ripple,
   state layer бүхий hover. Бүтэц, өнгө хэвээр — зөвхөн хэлбэр, хөдөлгөөний хэл нэгдэнэ. */
:root{
  --shadow-sm:0 1px 2px rgba(23,44,107,.14),0 1px 3px 1px rgba(23,44,107,.07);
  --shadow:0 1px 3px rgba(23,44,107,.16),0 6px 16px 4px rgba(23,44,107,.10);
  --shadow-lg:0 4px 8px rgba(23,44,107,.14),0 12px 32px 8px rgba(23,44,107,.14);
  --state:color-mix(in srgb,var(--brand) 8%,transparent);
}
.btn,.btn-sm,.btn-lg{border-radius:999px;letter-spacing:.005em}
.btn{border-color:var(--line-2);transition:box-shadow .2s,background .2s,border-color .2s,color .2s,transform .2s var(--ease)}
.btn:hover{background:var(--state);border-color:var(--line-2);color:var(--brand)}
.btn:active{transform:scale(.98)}
.btn-icon{border-radius:50%}
/* filled */
.btn-gold{background:var(--brand);box-shadow:var(--shadow-sm)}
.btn-gold::after{display:none}
.btn-gold:hover{background:#24449f;box-shadow:var(--shadow)}
/* tonal */
.btn-glass{background:var(--brand-soft);border-color:transparent;color:var(--brand-2);box-shadow:none}
.btn-glass:hover{background:#d9e2f8;border-color:transparent;color:var(--brand-2);box-shadow:var(--shadow-sm)}
/* outlined */
.btn-ghost{background:transparent;color:var(--brand)}
.btn-teal:hover,.btn-danger:hover{box-shadow:var(--shadow-sm)}
.dash-head .btn,.viewas-bar .btn,.pf-cover-btn{border-radius:999px}
.ripple{position:absolute;border-radius:50%;pointer-events:none;background:currentColor;opacity:.2;transform:scale(0);animation:ripple .6s var(--ease) forwards}
.btn-gold .ripple,.msg.me .ripple{background:#fff;opacity:.3}
@keyframes ripple{to{transform:scale(1);opacity:0}}
input,textarea,select{border-radius:12px}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
input[type=search],.side-search,.rail-search,.composer-input{border-radius:999px}
.chat-input input{border-radius:999px}
.card,.panel,.glass,.course-card,.stat-tile,.tile,.item,.person,.lesson,.idcard{box-shadow:var(--shadow-sm)}
.course-card:hover,.stat-tile:hover,.tile:hover,.group:hover{box-shadow:var(--shadow)}
.modal-card{border-radius:28px;box-shadow:var(--shadow-lg)}
.pill{border-radius:8px}
.pill.active{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-2)}
.pill.active::before{content:"✓ ";font-weight:900}
.tag{border-radius:8px}
.icon-btn{border-radius:50%;width:38px;height:38px;display:inline-grid;place-items:center;padding:0}
.icon-btn:hover{background:var(--state)}
.chat-fab{border-radius:18px;background:var(--brand);box-shadow:var(--shadow)}
.chat-fab::before{display:none}
.chat-fab:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.pf-tab,.studio-nav button{border-radius:0}
.pf-tab:hover{background:var(--state)}
.toast{border-radius:10px;background:#28303f;font-weight:600}
.tab-ink,.tabs{border-radius:999px}
.banner,.dash-head{border-radius:28px}
.nav.scrolled{box-shadow:var(--shadow-sm)}
@media print{ .nav,.chat-fab,.chat-panel,.toast-stack,.curtain,.aurora{display:none!important} body{background:#fff} }
/* ---- Хөтөлбөр бүтээгч: бүлэг шууд бичих, хичээл чирж зөөх ---- */
.view-tabs{display:flex;gap:6px;padding:4px;background:var(--surface);border:1px solid var(--line);border-radius:999px;width:max-content;max-width:100%}
.view-tabs button{display:inline-flex;align-items:center;gap:6px;border:0;background:none;padding:8px 16px;border-radius:999px;font:700 .9rem var(--sans);color:var(--muted);cursor:pointer}
.view-tabs button[aria-selected="true"]{background:var(--brand);color:#fff}
.ol{display:grid;gap:12px}
.ol-sec{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}
.ol-sec-head{display:flex;align-items:center;gap:10px;padding:10px 12px;background:linear-gradient(90deg,rgba(31,60,143,.07),transparent 70%);border-bottom:1px solid var(--line)}
.ol-sec-head .lg-num{width:32px;height:32px;border-radius:9px;font-size:.85rem}
.ol-sec-head small{white-space:nowrap}
.ol-sec-name{flex:1;min-width:0;border:1px solid transparent;background:transparent;border-radius:10px;padding:7px 10px;font:800 1.05rem var(--sans);color:var(--text)}
.ol-sec-name:hover{border-color:var(--line)}
.ol-sec-name:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,60,143,.12)}
.ol-sec-name::placeholder{color:var(--muted);font-weight:600}
.ol-list{list-style:none;margin:0;padding:8px;display:grid;gap:6px;min-height:52px}
.ol-list:empty::before{content:"Хичээлээ энд чирж оруулна уу";display:grid;place-items:center;min-height:52px;border:2px dashed var(--line-2);border-radius:12px;color:var(--muted);font-weight:600;font-size:.9rem}
.ol-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.ol-row:hover{border-color:var(--brand)}
.ol-row.editing{display:block;padding:12px}
.ol-num{font:800 .95rem var(--sans);color:var(--muted);width:2em;flex:none}
.ol-title{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.ol-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ol-title small{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.ol-handle{flex:none;display:grid;place-items:center;width:34px;height:38px;border:0;border-radius:9px;background:none;color:var(--muted);cursor:grab;touch-action:none}
.ol-handle:hover,.ol-handle:focus-visible{background:rgba(31,60,143,.08);color:var(--brand)}
.ol-dragging{opacity:.35;outline:2px dashed var(--brand);outline-offset:-2px}
.ol-ghost{position:fixed;z-index:1000;pointer-events:none;box-shadow:0 14px 34px rgba(15,23,42,.22);border-radius:12px;background:#fff;cursor:grabbing}
.ol-compact .ol-list{display:none}
.ol-compact .ol-sec-head{border-bottom:0}
.ol-add{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px;border:2px dashed var(--line-2);border-radius:var(--radius);background:none;color:var(--brand);font:700 .95rem var(--sans);cursor:pointer}
.ol-add:hover{border-color:var(--brand);background:rgba(31,60,143,.04)}
.ol-tip{display:flex;align-items:center;gap:6px;margin:0}
body.dragging-ol{user-select:none}
@media (max-width:640px){.ol-sec-head{flex-wrap:wrap}.ol-sec-name{flex-basis:calc(100% - 90px)}.ol-sec-head small{display:none}}
/* ---- Хичээлийн агуулга (суралцагч) ---- */
.rb{display:grid;gap:16px;line-height:1.7;color:var(--text);white-space:normal}
.rb-h{margin:8px 0 0;font-size:1.25rem;color:var(--brand-2)}
.rb-text p{margin:0 0 .7em}.rb-text p:last-child{margin:0}
.rb-text ul,.rb-text ol{margin:0 0 .7em;padding-left:1.4em}
.rb-text blockquote{margin:0 0 .7em;padding:8px 14px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:0 10px 10px 0}
.rb-text mark{background:#fff1a8;padding:0 2px;border-radius:3px}
.rb-text a{color:var(--brand);text-decoration:underline}
.rb figure{margin:0}
.rb figcaption{font-size:.85rem;color:var(--muted);margin-top:6px;text-align:center}
.rb-fig img{display:block;max-width:100%;max-height:70vh;margin:0 auto;border-radius:12px;border:1px solid var(--line)}
.rb-audio{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.rb-audio>div{flex:1;min-width:200px;display:grid;gap:6px}.rb-audio audio{width:100%}.rb-audio figcaption{flex-basis:100%;text-align:left;margin:0}
.rb-audio-ico{font-size:1.6rem}
.rb-video .player{border-radius:12px;overflow:hidden}
.rb-file{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);text-decoration:none}
.rb-file>span:nth-child(2){flex:1;display:grid;min-width:0}.rb-file small{color:var(--muted)}
.rb-file-ico{font-size:1.6rem}
.rb-quiz{border:2px solid var(--brand-soft);border-radius:16px;padding:16px;background:linear-gradient(180deg,var(--brand-soft),var(--surface) 60%)}
.rq-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.rq-badge{font-weight:800;color:var(--brand)}.rq-head small{color:var(--muted)}
.rq-prev{margin-left:auto;font-size:.8rem;font-weight:700;padding:3px 10px;border-radius:999px}
.rq-prev.ok{background:var(--teal-soft);color:var(--teal)}.rq-prev.bad{background:var(--coral-soft);color:var(--coral)}
.rq-q{font-weight:700;font-size:1.05rem;margin:8px 0 12px}
.rq-opts{display:grid;gap:8px}
.rq-opt{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);cursor:pointer}
.rq-opt:hover{border-color:var(--brand)}
.rq-opt input{width:18px;height:18px;accent-color:var(--brand)}
.rq-opt.ok{border-color:var(--teal);background:var(--teal-soft)}.rq-opt.bad{border-color:var(--coral);background:var(--coral-soft)}
.rq-opt.miss{outline:2px dashed var(--teal);outline-offset:-2px}
.rq-foot{display:flex;gap:12px;align-items:center;margin-top:12px;flex-wrap:wrap}
.rq-res{font-weight:700}.is-ok .rq-res{color:var(--teal)}.is-bad .rq-res{color:var(--coral)}
.rq-explain{margin:10px 0 0;padding:10px 12px;border-radius:10px;background:var(--amber-soft)}
.lesson-content:not(.pre){white-space:normal}
/* ---- Блок засварлагч (багш) ---- */
.be{display:grid;gap:10px}
.be-list{display:grid;gap:10px}
.be-block{display:flex;gap:6px;align-items:flex-start;padding:10px 8px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.be-block:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,60,143,.1)}
.be-main{flex:1;min-width:0;display:grid;gap:8px}
.be-tag{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.be-acts{display:flex;flex-direction:column}
.be-rt-bar{display:flex;flex-wrap:wrap;gap:2px;padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);width:max-content;max-width:100%}
.be-rt-bar button{min-width:32px;height:30px;border:0;border-radius:7px;background:none;color:var(--text-2);cursor:pointer;font:600 .9rem var(--sans);display:grid;place-items:center}
.be-rt-bar button:hover{background:var(--surface);color:var(--brand)}
.be-sep{width:1px;background:var(--line-2);margin:4px 3px}
.be-rt{min-height:90px;padding:10px 12px;border:1px solid var(--line-2);border-radius:10px;outline:none;line-height:1.65}
.be-rt:focus{border-color:var(--brand)}
.be-rt:empty::before{content:attr(data-ph);color:var(--muted)}
.be-h{font:800 1.15rem var(--sans);border:1px solid var(--line-2);border-radius:10px;padding:8px 12px}
.be-q{font-weight:700}
.be-opts{display:grid;gap:6px}
.be-opt{display:flex;gap:8px;align-items:center}
.be-opt:not(.be-pair)>input:first-child{width:20px;height:20px;accent-color:var(--teal);flex:none}
.be-opt-t{flex:1;min-width:0}
.be-qfoot{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.be-drop{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:14px;border:2px dashed var(--line-2);border-radius:12px;background:var(--surface-2)}
.be-drop>span{color:var(--brand)}.be-drop>div:nth-child(2){flex:1;min-width:180px;display:grid}
.be-drop-acts{display:flex;gap:6px;flex-wrap:wrap}
.be-drop .progress{flex-basis:100%}
.be-img{max-width:100%;max-height:320px;border-radius:10px;display:block}
.be-media-tools{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-top:6px}
.be-add{display:flex;gap:6px;flex-wrap:wrap;align-items:center;padding:10px;border:1px dashed var(--line-2);border-radius:14px}
.be-tip{display:flex;gap:6px;align-items:center;margin:0}
.be-dropping{outline:3px dashed var(--brand);outline-offset:4px;border-radius:14px}
.rec-on{background:var(--coral)!important;color:#fff!important}
.be-ghost{opacity:.9}
/* ---- Хичээл үзэх үеийн сануулга ---- */
.watch-badge{display:flex;gap:6px;align-items:center;font-size:.8rem;font-weight:600;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;width:max-content;max-width:100%;margin-bottom:10px}
.watch-badge.warned{color:var(--amber);background:var(--amber-soft);border-color:#f3d28a}
.wb-why{margin-left:4px;padding:0;border:0;background:none;font:inherit;font-weight:700;color:var(--brand);text-decoration:underline;text-underline-offset:2px;cursor:pointer;white-space:nowrap}
.wb-info{margin:-2px 0 10px;padding:10px 14px;border:1px solid var(--brand-tint);border-radius:12px;background:var(--brand-soft);font-size:.82rem;line-height:1.5;color:var(--text-2)}
.wb-info b{color:var(--brand)}
@media (max-width:480px){ .wb-long{display:none} }
.watch-alert{position:fixed;inset:0;z-index:2000;display:grid;place-items:center;padding:16px;background:rgba(15,23,42,.6)}
.watch-card{width:min(420px,100%);background:var(--surface);border-radius:20px;padding:24px;text-align:center;box-shadow:0 24px 60px rgba(15,23,42,.35);display:grid;gap:10px}
.watch-card h3{margin:0;font-size:1.25rem}
.watch-card p{margin:0;color:var(--text-2)}
.watch-ico{font-size:2.4rem}
.watch-count{font-weight:600}.watch-count b{color:var(--coral)}
/* ---- Нэвтрэх хуудасны сургалт хайлт ---- */
.auth{grid-template-columns:minmax(0,1fr);justify-items:center;align-content:start;gap:32px}
.find{position:relative;z-index:2;width:min(860px,100%);display:grid;gap:12px}
.find-title{margin:0;text-align:center;font-size:1.3rem;color:var(--brand-2)}
.find-bar{display:flex;align-items:center;gap:10px;padding:0 16px;height:54px;border:2px solid var(--line-2);border-radius:999px;background:var(--surface);box-shadow:var(--shadow-sm);color:var(--muted)}
.find-bar:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,60,143,.12)}
.find-bar input{flex:1;min-width:0;border:0;outline:0;background:none;font:500 1rem var(--sans);color:var(--text);height:100%;padding:0;box-shadow:none}
.find-tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.find-tags button{border:1px solid var(--line-2);background:var(--surface);color:var(--text-2);border-radius:999px;padding:7px 14px;font:600 .88rem var(--sans);cursor:pointer}
.find-tags button[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.find-meta{margin:0;text-align:center}
.find-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.find.loading .find-list{opacity:.55;transition:opacity .15s}
.find-item{display:flex;gap:12px;align-items:stretch;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}
.find-item:hover{border-color:var(--brand)}
.find-main{flex:1;min-width:0;display:grid;gap:5px;padding:14px 16px;color:var(--text);text-decoration:none}
.find-main strong{font-size:1.05rem}
.find-main mark,.find-teacher mark{background:#fff1a8;color:inherit;border-radius:3px;padding:0 1px}
.find-match{font-size:.88rem;color:var(--text-2)}
.find-tagrow{display:flex;gap:5px;flex-wrap:wrap}
.ftag{font-size:.75rem;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--text-2);border:1px solid var(--line)}
.ftag-free{background:var(--teal-soft);color:var(--teal);border-color:transparent}
.ftag-paid{background:var(--accent-soft);color:var(--accent-2);border-color:transparent}
.ftag-cert{background:var(--brand-soft);color:var(--brand);border-color:transparent}
.ftag-exam{background:var(--coral-soft);color:var(--coral);border-color:transparent}
.find-teacher{display:flex;align-items:center;gap:10px;padding:12px 16px;border-left:1px solid var(--line);background:var(--surface-2);color:var(--text);text-decoration:none;width:230px;flex:none}
.find-teacher span:last-child{display:grid;font-weight:700;font-size:.9rem;min-width:0}
.find-teacher:hover{background:var(--brand-soft)}
.find-pager{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.find-pager button{min-width:40px;height:40px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);font:700 .95rem var(--sans);color:var(--text-2);cursor:pointer}
.find-pager button[aria-current="page"]{background:var(--brand);border-color:var(--brand);color:#fff}
.find-pager button:disabled{opacity:.4;cursor:default}
.find-pager span{align-self:center;color:var(--muted)}
@media (max-width:640px){.find-item{flex-direction:column}.find-teacher{width:auto;border-left:0;border-top:1px solid var(--line)}}
/* ---- Номын хуудас ---- */
.book-page{max-width:1100px;margin:0 auto;padding:110px 16px 40px}
.bk-hero{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:40px;align-items:center}
.bk-cover-wrap{perspective:1400px;display:grid;place-items:center}
.bk-cover{position:relative;width:min(300px,70vw);aspect-ratio:1/1.414;transform:rotateY(-18deg) rotateX(4deg);transform-style:preserve-3d;border-radius:4px 10px 10px 4px;box-shadow:24px 30px 60px rgba(15,23,42,.28),2px 2px 0 #e5e7ef,4px 4px 0 #d9dce6,6px 6px 0 #ccd0dc;overflow:hidden;background:#fff}
.bk-cover img{width:100%;height:100%;object-fit:cover;display:block;user-select:none}
.bk-spine{position:absolute;inset:0 auto 0 0;width:14px;background:linear-gradient(90deg,rgba(0,0,0,.25),rgba(255,255,255,.15),transparent)}
.bk-info{display:grid;gap:12px;justify-items:start}
.bk-info .h2{margin:0}
.bk-author{margin:0;color:var(--text-2);font-weight:600}
.bk-facts{display:flex;gap:6px;flex-wrap:wrap}
.bk-cta{margin:4px 0 0;flex-wrap:wrap}
.bk-desc{max-width:760px}
@media (max-width:800px){.bk-hero{grid-template-columns:minmax(0,1fr);gap:24px}.bk-cover{transform:none}}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}
.book-card{display:grid;gap:6px;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--text);text-decoration:none;box-shadow:var(--shadow-sm)}
.book-card:hover{border-color:var(--brand)}
.bc-cover{display:block;aspect-ratio:1/1.414;border-radius:4px 8px 8px 4px;overflow:hidden;background:var(--surface-2);box-shadow:6px 8px 18px rgba(15,23,42,.18)}
.bc-cover img{width:100%;height:100%;object-fit:cover;display:block}
/* ---- Номын уншигч ---- */
html.reader-open{overflow:hidden}
.reader{position:fixed;inset:0;z-index:1500;display:flex;flex-direction:column;background:radial-gradient(ellipse at 50% 40%,#3a4466 0%,#1b2033 70%,#12151f 100%);color:#e8ebf5;opacity:0;transition:opacity .25s;user-select:none;-webkit-user-select:none}
.reader.open{opacity:1}
.rd-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:rgba(10,12,20,.55);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.rd-title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:700}
.rd-count{font-variant-numeric:tabular-nums;color:#b9c0d8;font-size:.9rem;white-space:nowrap}
.rd-tools{display:flex;gap:4px;align-items:center}
.rd-btn{min-width:38px;height:38px;padding:0 10px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.06);color:#eef1fa;font:700 1rem var(--sans);cursor:pointer;display:grid;place-items:center}
.rd-btn:hover{background:rgba(255,255,255,.16)}
.rd-btn:disabled{opacity:.35;cursor:default}
.rd-zoom{min-width:64px;font-size:.85rem}
.rd-sep{width:1px;height:24px;background:rgba(255,255,255,.15);margin:0 4px}
.rd-stage{flex:1;position:relative;overflow:hidden;display:grid;place-items:center;perspective:2600px;touch-action:none;cursor:pointer}
.reader.zoomed .rd-stage{cursor:grab}
.rd-pan{transform-origin:center center;transition:transform .12s ease-out;will-change:transform}
.reader .fb-book::before{background:radial-gradient(ellipse at center,rgba(0,0,0,.6),transparent 70%)}
.reader .leaf .face img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none;-webkit-user-drag:none}
.reader .page-loading{background:linear-gradient(110deg,#f3f4f8 30%,#fff 50%,#f3f4f8 70%);background-size:200% 100%;animation:rd-shimmer 1.2s linear infinite;color:#a5acc0}
@keyframes rd-shimmer{to{background-position:-200% 0}}
.rd-paywall{background:linear-gradient(160deg,#fff,#eef2fc)!important;display:grid;place-items:center}
.rd-pw{display:grid;gap:10px;justify-items:center;text-align:center;padding:24px;color:var(--text);max-width:300px}
.rd-pw h3{margin:0}.rd-pw p{margin:0;color:var(--text-2);font-size:.92rem}
.rd-pw-ico{font-size:2.4rem}
.rd-nav{display:flex;align-items:center;justify-content:center;gap:14px;padding:10px 14px;background:rgba(10,12,20,.55);border-top:1px solid rgba(255,255,255,.08)}
.rd-nav input[type=range]{width:min(520px,60vw);accent-color:var(--accent);background:none;border:0;box-shadow:none;padding:0}
.rd-arrow{font-size:1.4rem;min-width:46px}
@media (max-width:640px){.rd-tools [data-mode],.rd-tools [data-fit],.rd-sep{display:none}.rd-count{display:none}.rd-btn{min-width:34px;height:34px;padding:0 6px}}
/* ---- Багшийн номын удирдлага ---- */
.bk-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-bottom:14px}
.bk-stat{padding:12px 14px;display:grid;gap:2px}.bk-stat b{font-size:1.3rem;color:var(--brand-2)}
.bk-manage{display:grid;gap:10px;margin-bottom:16px}
.bk-row{display:flex;gap:14px;align-items:center;padding:12px}
.bk-row .bc-cover{width:64px;flex:none}
.bk-row .grow{display:grid;gap:4px;min-width:0}
.bk-acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.bk-log{overflow:auto;max-height:480px}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;position:sticky;top:0;background:var(--surface)}
.tbl tr.ev-purchase td{background:var(--teal-soft)}.tbl tr.ev-limit td{background:var(--coral-soft)}
@media (max-width:640px){.bk-row{flex-wrap:wrap}.bk-acts{width:100%;justify-content:flex-start}}
/* ---- Нүүр хуудас: уриа + хайлт нэг хэсэгт ---- */
.home-top{position:relative;overflow:hidden;padding:clamp(120px,17vh,180px) 16px clamp(48px,8vh,88px);background:linear-gradient(180deg,#fff 0%,var(--ink) 100%)}
.home-inner{position:relative;z-index:2;max-width:820px;margin:0 auto;display:grid;gap:20px;justify-items:center;text-align:center}
.home-intro{display:grid;gap:12px;justify-items:center}
.home-intro .eyebrow{margin:0}
.home-title{margin:0;font-size:clamp(2.3rem,6.2vw,4.4rem);line-height:1.04}
.home-intro .lead{margin:0 auto;max-width:40ch}
.find-home{width:100%;padding:0;margin-top:6px;justify-items:stretch;text-align:left}
.find-home .find-bar{height:62px;padding:0 22px;border-width:1px;box-shadow:0 10px 30px -12px rgba(31,60,143,.35)}
.find-home .find-bar input{font-size:1.08rem}
.find-home .find-bar:focus-within{box-shadow:0 0 0 4px rgba(31,60,143,.12),0 10px 30px -12px rgba(31,60,143,.35)}
.find-home .find-tags,.find-home .find-meta{justify-content:center;text-align:center}
.find-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}
.find-chips button{border:1px solid var(--line-2);background:rgba(255,255,255,.8);color:var(--text-2);border-radius:999px;padding:6px 14px;font:600 .88rem var(--sans);cursor:pointer}
.find-chips button:hover{border-color:var(--brand);color:var(--brand)}
.home-cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.home-top:has(.find-home.has-results) :is(.home-cta,.find-chips){display:none}
.authed .home-top{padding:92px 16px 0;background:none}
.authed .home-top .aurora{display:none}
.authed .dash{padding-top:20px}
.landing .features{padding-top:24px}
@media (max-width:640px){.home-top{padding-top:104px}.find-home .find-bar{height:54px;padding:0 16px}}
.find-home:not(.has-results) :is(.find-meta,.find-list,.find-pager){display:none}
/* ---- Багшийн хяналтын самбар ---- */
.an-filters{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.an-filters select{width:auto}
.an-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:6px 0 14px}
.an-tile{display:grid;gap:2px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.an-tile small{color:var(--muted);font-weight:600}.an-tile b{font-size:1.35rem;color:var(--brand-2)}
.an-tile.warn{border-color:#f5b4c1;background:var(--coral-soft)}.an-tile.warn b{color:var(--coral)}
.an-live{color:var(--teal);font-weight:700;font-size:.8rem}
.an-chart{width:100%;height:150px;display:block;border-bottom:1px solid var(--line)}
.an-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.8rem;margin-top:6px}
.an-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.an-table-wrap{overflow-x:auto}
.an-table td{white-space:nowrap}
.an-bar{display:inline-block;width:70px;height:7px;border-radius:9px;background:var(--surface-2);overflow:hidden;margin-right:6px;vertical-align:middle}
.an-bar i{display:block;height:100%}
.an-bad{color:var(--coral)}
.an-risk{font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:999px}
.an-risk.ok{background:var(--teal-soft);color:var(--teal)}.an-risk.watch{background:var(--amber-soft);color:var(--amber)}.an-risk.risk{background:var(--coral-soft);color:var(--coral)}
.an-acts{display:flex;gap:6px}
#anModal h4{margin:18px 0 8px}
/* ---- Файлын санг цэгцлэх ---- */
.fl-bar{display:grid;gap:10px;margin-bottom:14px}
.fl-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.fl-tools .rail-search{flex:1;min-width:200px;margin:0}
.fl-tools select{width:auto}
#fType button i{font-style:normal;opacity:.7;font-size:.8em;margin-left:2px}
.file-use{font-size:.75rem;font-weight:600;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.file-use.on{color:var(--brand)}
/* ---- Засварлагч: асуултын төрлүүд, шалгалт ---- */
.be-qhead{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.be-qkind{width:auto;font-weight:700}
.be-pts{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;color:var(--muted)}
.be-pts input{width:70px}
.be-answers,.be-pairs{display:grid;gap:6px}
.be-ok{color:var(--teal);font-weight:800;width:20px;text-align:center}
.be-pair input{flex:1;min-width:0}.be-pair>span{color:var(--muted)}
.be-spotwrap{position:relative;display:inline-block;max-width:100%;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.be-spotwrap img{display:block;max-width:100%;max-height:360px}
.be-spotwrap.pick{cursor:crosshair}
.be-spot{position:absolute;transform:translate(-50%,-50%);border:3px solid var(--teal);background:rgba(15,157,138,.18);border-radius:50%;pointer-events:none}
.be-radius{display:flex;align-items:center;gap:10px;font-size:.85rem;font-weight:600}
.be-radius input{flex:1}
.be-import{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.pe-more{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface-2)}
.pe-more summary{cursor:pointer;font-weight:700;display:flex;gap:6px;align-items:center}
.pe-more[open] summary{margin-bottom:10px}
.pe-more>label{margin-bottom:8px}
.kind-exam{background:var(--coral-soft)!important;color:var(--coral)!important}
/* ---- Хичээлийн усан тэмдэг, идэвхтэй хугацаа ---- */
.lesson-modal{position:relative}
.wm{position:absolute;z-index:6;pointer-events:none;user-select:none;font:700 .95rem var(--sans);color:rgba(31,60,143,.22);text-shadow:0 0 1px rgba(255,255,255,.4);white-space:nowrap;transform:rotate(-14deg);transition:left 1.2s ease,top 1.2s ease}
.active-need{font-weight:700;color:var(--amber);background:var(--amber-soft);padding:6px 12px;border-radius:999px;font-size:.88rem}
.active-need.ok{color:var(--teal);background:var(--teal-soft)}
/* ---- Асуултын төрлүүд (суралцагч) ---- */
.rq-img{display:block;max-width:100%;max-height:340px;border-radius:10px;margin:0 0 12px;border:1px solid var(--line)}
.rq-text{width:100%;font-size:1rem}
.rq-text.ok{border-color:var(--teal);background:var(--teal-soft)}.rq-text.bad{border-color:var(--coral);background:var(--coral-soft)}
.rq-correct{margin:8px 0 0;color:var(--teal);font-weight:600}
.rq-match{display:grid;gap:8px}
.rq-pair{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:10px;align-items:center;padding:8px 10px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface)}
.rq-pair>span:first-child{font-weight:600}
.rq-pair .rq-correct{grid-column:1/-1;margin:0}
.rq-pair.ok{border-color:var(--teal);background:var(--teal-soft)}.rq-pair.bad{border-color:var(--coral);background:var(--coral-soft)}
.rq-arrow{color:var(--muted)}
.rq-spotwrap{position:relative;display:inline-block;max-width:100%;border-radius:12px;overflow:hidden;border:1px solid var(--line-2);cursor:crosshair}
.rq-spotwrap img{display:block;max-width:100%;max-height:420px;user-select:none}
.rq-pt{position:absolute;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;background:var(--brand);border:3px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.35)}
.rq-spot{position:absolute;transform:translate(-50%,-50%);border:3px solid var(--teal);background:rgba(15,157,138,.2);border-radius:50%}
.rq-points{margin-left:auto;font-weight:700;color:var(--brand)}
@media (max-width:640px){.rq-pair{grid-template-columns:minmax(0,1fr)}.rq-arrow{display:none}}
/* ---- Шалгалт ---- */
.exam-card{display:grid;gap:12px;padding:18px;border:2px solid var(--brand-soft);border-radius:18px;background:linear-gradient(180deg,var(--brand-soft),var(--surface) 70%);margin-top:16px}
.exam-card h3{margin:0}
.exam-facts{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px}
.exam-rules{padding:10px 12px;border-radius:12px;background:var(--coral-soft);color:#7a1630;font-size:.92rem}
.exam-card .btn-lg{justify-self:start}
.exam{position:fixed;inset:0;z-index:1600;display:flex;flex-direction:column;background:var(--ink);user-select:none;-webkit-user-select:none}
.exam input,.exam select{user-select:text}
.exam-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.exam-bar strong{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exam-prog{color:var(--muted);font-weight:600;font-size:.9rem}
.exam-timer{font:800 1.1rem var(--sans);font-variant-numeric:tabular-nums;color:var(--brand)}
.exam-timer.low{color:var(--coral);animation:none}
.exam-body{flex:1;overflow:auto;padding:24px 16px 60px}
.exam-qs,.exam-body>.btn-block,.exam-result{max-width:820px;margin:0 auto 16px}
.exam-qs{display:grid;gap:14px}
.exam-q{background:var(--surface)}
.exam-q.is-ok{border-color:var(--teal)}.exam-q.is-bad{border-color:var(--coral)}
.exam-result{display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding:18px 20px;border-radius:18px;background:var(--surface);border:2px solid var(--line)}
.exam-result.ok{border-color:var(--teal);background:var(--teal-soft)}.exam-result.bad{border-color:var(--coral);background:var(--coral-soft)}
.exam-result>div{flex:1;min-width:200px}.exam-result h3{margin:0 0 4px}.exam-result p{margin:0}
.exam-score{font:800 2.4rem var(--sans);color:var(--brand-2)}
@media print{.lesson-modal,.exam,.reader{display:none!important}}
.an-filters select{max-width:230px}
.an-table td{white-space:normal}.an-table td:first-child{min-width:150px}
.an-table td .an-bar{width:46px}
.an-table td small{display:inline-block;max-width:200px}
.an-empty{padding:18px 0;text-align:center;border:1px dashed var(--line-2);border-radius:12px}
.modal.protected .lesson-content,.modal.protected .player,.modal.protected h3{user-select:none;-webkit-user-select:none}
.modal.protected img,.modal.protected video{-webkit-user-drag:none}
/* ---- Файлын сангийн модон бүтэц ---- */
.fl-view{display:inline-flex;border:1px solid var(--line-2);border-radius:10px;overflow:hidden}
.fl-view button{border:0;background:var(--surface);padding:8px 12px;font:600 .88rem var(--sans);color:var(--text-2);cursor:pointer}
.fl-view button[aria-pressed="true"]{background:var(--brand);color:#fff}
.file-grid.as-tree{display:block}
.ftree,.ftree ul{list-style:none;margin:0;padding:0}
.ftree ul{padding-left:22px;border-left:1px dashed var(--line-2);margin-left:11px}
.ftree summary{list-style:none;display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;cursor:pointer;font-weight:700}
.ftree summary::-webkit-details-marker{display:none}
.ftree summary::before{content:"▸";color:var(--muted);width:12px;transition:transform .15s}
.ftree details[open]>summary::before{transform:rotate(90deg)}
.ftree summary:hover{background:var(--surface-2)}
.tn-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tn-count{font-size:.75rem;font-weight:700;color:var(--muted);background:var(--surface-2);border-radius:999px;padding:2px 8px}
.tf{display:flex;align-items:center;gap:8px;padding:5px 8px 5px 22px;border-radius:8px}
.tf:hover{background:var(--surface-2)}
.tf-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tf-meta{font-size:.78rem;color:var(--muted);white-space:nowrap}
.tf-acts{display:flex;gap:2px}
.tf-acts .icon-btn{width:30px;height:30px;font-size:.85rem}
@media (max-width:640px){.tf-meta{display:none}}
/* ---- Хичээлийн дараах дүгнэлт ("юу сурсан бэ?") ---- */
.refl-card{text-align:left}
.refl-card h3{text-align:center;margin:4px 0 2px}
.refl-card .muted{text-align:center}
.refl-card textarea{width:100%;margin-top:10px;resize:vertical}
.refl-acts{display:flex;gap:10px;justify-content:flex-end;margin-top:12px}
/* ---- Суралцсаны бодит нотолгоо (багшийн самбар) ---- */
.an-tile.learn{border-color:var(--brand-soft);background:linear-gradient(180deg,var(--brand-soft),var(--surface))}
.an-tile.learn b{color:var(--brand)}
.an-row{cursor:pointer}
.vh{display:grid;gap:10px;margin-bottom:16px}
.vh-row{display:grid;gap:4px}
.vh-title{color:var(--muted);font-weight:600}
.vh-bar{display:flex;gap:1px;height:22px;border-radius:5px;overflow:hidden;border:1px solid var(--line)}
.vh-bar i{flex:1;min-width:2px;display:block}
.refl-list{display:grid;gap:10px;margin-bottom:16px}
.refl-item{padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2)}
.refl-item b{display:inline}
.refl-item small{float:right;color:var(--muted)}
.refl-item p{margin:6px 0 0;white-space:pre-wrap}
.an-wrongq td{background:var(--coral-soft)}
/* Хичээл устгах товч: улаан өнгө, зөвхөн hover дээр тод */
.post-foot>.post-del{flex:0 0 auto;color:var(--muted)}
.post-foot>.post-del:hover{background:var(--coral-soft);color:var(--coral)}
.ol-row .ol-del:hover{color:var(--coral);background:var(--coral-soft)}

/* Цэргийн цол */
.lesson-rank{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:999px;background:var(--ink-2);color:var(--muted);font-size:.74rem;font-weight:700;white-space:nowrap}
.lesson-rank.high{background:var(--teal-soft);color:var(--teal)}
.lesson-rank.disq{background:var(--coral-soft);color:var(--coral)}
.course-rank{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:10px 0 0;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.course-rank .cr-sign{font-size:1.2rem;color:var(--accent)}
.course-rank .cr-meter{flex:1 1 120px;min-width:100px;height:6px}
.course-rank .cr-bad{color:var(--coral)}
.an-rank{display:inline-block;margin-top:2px;padding:0 6px;border-radius:999px;background:var(--brand-soft);color:#1f3c8f;font-size:.74rem;font-weight:700}
.an-rank.bad{background:var(--coral-soft);color:var(--coral)}

/* Видео: анх үзэхэд өөрийн удирдлага — явцын мөр дарагдахгүй */
.vg-locked{position:relative}
.vg-locked video{cursor:pointer}
.vg-bar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:8px;padding:8px 10px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;font-size:.8rem;user-select:none}
.vg-bar button{border:0;background:rgba(255,255,255,.12);color:#fff;border-radius:8px;padding:4px 9px;font:inherit;cursor:pointer}
.vg-bar button:hover{background:rgba(255,255,255,.25)}
.vg-bar .vg-time{font-variant-numeric:tabular-nums;white-space:nowrap}
.vg-bar .vg-prog{flex:1;height:5px;border-radius:3px;background:rgba(255,255,255,.25);overflow:hidden;cursor:not-allowed}
.vg-bar .vg-prog i{display:block;height:100%;width:0;background:var(--accent)}
.vg-locked:fullscreen video{width:100%;height:100%;aspect-ratio:auto;object-fit:contain}
.course-rank .cr-tips{flex-basis:100%;margin:4px 0 0;padding-left:18px;color:var(--muted);font-size:.82rem}
.course-rank .cr-tips li{margin:2px 0}

/* Хичээл нэмэх: төрлийн цэс; шалгалт/даалгаврын хугацаа; даалгаврын хариу */
.kind-menu{position:fixed;z-index:1100;display:grid;gap:4px;padding:6px;width:300px;background:#fff;color:#0f172a;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(15,23,42,.18)}
.kind-menu button{display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:center;text-align:left;padding:8px 10px;border:0;border-radius:8px;background:none;font:inherit;cursor:pointer;color:#0f172a;opacity:1}
.kind-menu button b{color:#0f172a}
.kind-menu button:hover{background:var(--ink-2)}
.kind-menu button small{grid-column:2;color:var(--muted);font-size:.74rem;white-space:normal;line-height:1.3}
.kind-menu button b{font-size:.92rem}
.sec-head,.composer-box{position:relative}
.pe-kind{margin-bottom:8px}
.pe-section{padding:10px 12px;margin:0 0 10px;border:1px dashed var(--line);border-radius:10px;background:var(--ink-2)}
.kind-asg{background:var(--brand-soft);color:var(--brand)}
.sub-list{display:grid;gap:12px;max-height:70vh;overflow:auto}
.sub-item{padding:12px;border:1px solid var(--line);border-radius:12px}
.sub-item header{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.sub-text{white-space:pre-wrap;margin:8px 0}
.sub-grade{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;margin-top:8px}
.sub-grade label{margin:0;font-size:.8rem}
.sub-grade input[name=score]{width:90px}
.sub-grade .grow{flex:1;min-width:200px}
.asg-card .sub-mine{padding:10px 12px;border:1px solid var(--line);border-radius:12px;margin:10px 0;background:var(--card)}
.asg-card .sub-mine p{white-space:pre-wrap;margin:6px 0}
.asg-card .sub-score{margin-top:8px;padding:8px 10px;border-radius:10px;background:var(--teal-soft);color:var(--teal)}
.asg-card .sub-form textarea{width:100%}

/* Цолны тэмдэг: мэргэжлийн гялалзалт (зөөлөн гэрлийн шугам + импульс), хөдөлгөөн багасгасан бол зогсоно */
.rank-shine{position:relative;background-image:linear-gradient(110deg,currentColor 0 42%,#fff 50%,currentColor 58% 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--accent);animation:rank-sweep 2.8s ease-in-out infinite,rank-pulse 2.8s ease-in-out infinite}
.rank-shine[data-level="0"],.rank-shine[data-level="1"]{color:var(--muted)}
.rank-shine[data-level="7"],.rank-shine[data-level="8"],.rank-shine[data-level="9"],.rank-shine[data-level="10"]{color:#1f3c8f}
.rank-shine[data-level="11"],.rank-shine[data-level="12"],.rank-shine[data-level="13"]{color:var(--brand-3)}
.rank-shine[data-level="14"],.rank-shine[data-level="15"],.rank-shine[data-level="16"],.rank-shine[data-level="17"]{color:#b45309}
.lesson-rank.rank-shine{-webkit-text-fill-color:initial;background-image:none;animation:rank-glow 2.4s ease-in-out infinite}
.an-rank.rank-shine{-webkit-text-fill-color:initial;background-image:none;animation:rank-glow 2.4s ease-in-out infinite}
.course-rank .cr-sign.rank-shine{font-size:1.5rem;filter:drop-shadow(0 0 6px rgba(234,160,46,.55))}
@keyframes rank-sweep{0%{background-position:120% 0}60%,100%{background-position:-120% 0}}
@keyframes rank-pulse{0%,100%{filter:drop-shadow(0 0 2px rgba(234,160,46,.3))}50%{filter:drop-shadow(0 0 9px rgba(234,160,46,.85))}}
@keyframes rank-glow{0%,100%{box-shadow:0 0 0 0 rgba(15,157,138,0)}50%{box-shadow:0 0 0 4px rgba(15,157,138,.18),0 0 14px rgba(15,157,138,.35)}}
@media (prefers-reduced-motion:reduce){.rank-shine,.lesson-rank.rank-shine,.an-rank.rank-shine{animation:none}}
/* Салют + баяр хүргэх карт */
.salute{position:fixed;inset:0;z-index:1200;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 30%,rgba(10,16,40,.78),rgba(5,8,20,.92));animation:fade-in .3s ease}
.salute.out{opacity:0;transition:opacity .4s}
.salute-sky{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.salute-card{position:relative;max-width:460px;width:calc(100% - 32px);padding:28px 24px 24px;text-align:center;background:#fff;color:#0f172a;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.45);animation:salute-pop .6s cubic-bezier(.2,1.4,.4,1)}
.salute-card h2{margin:6px 0 8px;font-size:1.5rem}
.salute-card h2 em{font-style:normal;color:var(--accent)}
.salute-card p{color:var(--muted);margin:0 0 16px}
.salute-sign{font-size:3rem;line-height:1;margin:6px 0 4px}
@keyframes salute-pop{0%{transform:scale(.6) translateY(30px);opacity:0}100%{transform:none;opacity:1}}
@keyframes fade-in{from{opacity:0}to{opacity:1}}

/* Миний хэсэг: цол, даалгавар */
.tile-rank b{font-size:1rem}
.tile-rank em{font-style:normal}
.rank-card{padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.rank-main{display:flex;gap:16px;align-items:center}
.rank-big{font-size:2.6rem;line-height:1}
.rank-title{font-size:1.25rem;display:block}
.rank-tips{margin-top:14px;padding:10px 14px;border-radius:12px;background:var(--accent-soft);color:var(--accent-ink)}
.rank-tips ul{margin:4px 0 0;padding-left:18px}
.rank-courses{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.rank-courses a{display:flex;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:inherit}
.rank-courses a:hover{background:var(--ink-2)}
.rank-courses a>span:first-child{font-size:1.3rem;min-width:36px;text-align:center}
.rank-courses small{display:block;color:var(--muted)}

/* Хичээл оруулах маягт v2: алхамчилсан, цэгцтэй */
.pe-v2{gap:12px}
.pe-step{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.pe-step[hidden]{display:none}
.pe-num{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:.85rem;display:grid;place-items:center}
.pe-step-body{min-width:0;display:grid;gap:8px}
.pe-step h4{margin:0;font-size:.98rem;display:flex;align-items:center;gap:8px}
.pe-step h4 small{font-weight:500}
.pe-step h5{margin:10px 0 0;font-size:.85rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.pe-kind-hint{margin:0}
.pe-content-hint{margin:0}
.pe-grid{display:grid;gap:10px}
.pe-grid-2{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.pe-grid-3{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.pe-grid label,.pe-entry{display:grid;gap:4px;align-content:start;font-size:.8rem;font-weight:700;color:var(--text-2);margin:0}
.pe-grid label small,.pe-entry small{font-weight:500;color:var(--muted)}
.pe-grid input,.pe-grid select,.pe-entry input{padding:9px 12px}
.pe-entry{max-width:360px}
.pe-checks{display:flex;gap:16px;flex-wrap:wrap}
.pe-checks .check{margin:0;font-size:.85rem}
.pe-step.pe-more{display:block;padding:0;overflow:hidden}
.pe-more summary{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:12px 16px;cursor:pointer;list-style:none}
.pe-more summary::-webkit-details-marker{display:none}
.pe-more summary .pe-num{background:var(--ink-2);color:var(--muted)}
.pe-more summary .pe-step-body{display:flex;align-items:center;min-height:30px}
.pe-more summary h4{flex-wrap:wrap;gap:4px 8px}
.pe-more summary h4 small{white-space:nowrap}
.pe-more-body{padding:0 16px 14px 58px}
.pe-v2 .pe-foot{position:sticky;bottom:0;z-index:2;margin-top:2px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 -6px 20px rgba(15,23,42,.06)}
.pe-access{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
@media (max-width:640px){.pe-step{grid-template-columns:1fr}.pe-num{display:none}.pe-more-body{padding-left:16px}}

/* Хэлэлцүүлэг (Facebook маягийн) */
.discuss{margin:18px 0 6px;padding:14px 0 0;border-top:1px solid var(--line)}
.dc-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.dc-like{border:0;background:none;font:inherit;font-weight:700;color:var(--muted);cursor:pointer;padding:4px 8px;border-radius:8px}
.dc-like:hover{background:var(--ink-2)}
.dc-like.on{color:var(--brand)}
.dc-like-lesson{font-size:.95rem;padding:8px 12px;border:1px solid var(--line);border-radius:999px}
.dc-like-lesson.on{border-color:var(--brand);background:var(--brand-soft)}
.dc-form{display:flex;gap:10px;align-items:flex-start;margin:8px 0}
.dc-form-reply{margin:6px 0 0}
.dc-input{flex:1;display:flex;gap:6px;align-items:flex-end;padding:6px 6px 6px 12px;border-radius:18px;background:var(--ink-2)}
.dc-input textarea{flex:1;min-height:0;height:auto;border:0;background:none;resize:none;padding:6px 0;font:inherit;line-height:1.4;outline:none;max-height:160px;box-shadow:none}
.dc-input textarea:focus{border:0;box-shadow:none;outline:none}
.dc-input .btn{border-radius:50%;width:34px;height:34px;padding:0;display:grid;place-items:center}
.dc-list{display:grid;gap:10px;margin-top:8px}
.dc-item{display:flex;gap:10px;align-items:flex-start}
.dc-main{flex:1;min-width:0}
.dc-bubble{display:inline-block;max-width:100%;padding:8px 12px;border-radius:16px;background:var(--ink-2)}
.dc-bubble b{display:block;font-size:.85rem}
.dc-bubble p{margin:2px 0 0;white-space:pre-wrap;word-break:break-word;line-height:1.5}
.dc-badge{display:inline-block;margin-left:4px;padding:0 6px;border-radius:999px;background:var(--brand);color:#fff;font-size:.68rem;vertical-align:middle}
.dc-acts{display:flex;gap:10px;align-items:center;padding:2px 8px;font-size:.78rem}
.dc-acts button{border:0;background:none;font:inherit;font-size:.78rem;font-weight:700;color:var(--muted);cursor:pointer;padding:2px 4px}
.dc-acts button:hover{text-decoration:underline}
.dc-acts .dc-del{color:var(--coral)}
.dc-reply{margin-top:6px}
.dc-reply .avatar{width:26px;height:26px;font-size:.7rem}

/* Чат — Messenger маягийн урсгал */
.thread{gap:2px}
.msg-day{align-self:center;margin:10px 0 6px;font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.msg-day span{padding:3px 10px;border-radius:999px;background:var(--surface)}
.thread .msg{max-width:90%;padding:0;background:none;border:0;display:flex;gap:8px;align-items:flex-end;color:inherit;box-shadow:none}
.thread .msg.me{flex-direction:row-reverse}
.thread .msg.first{margin-top:8px}
.msg-av{width:28px;flex:0 0 28px}
.msg-av .avatar{width:28px;height:28px;font-size:.7rem}
.thread .msg.me .msg-av{display:none}
.msg-col{display:flex;flex-direction:column;max-width:100%;min-width:0}
.thread .msg.me .msg-col{align-items:flex-end}
.msg-who{font-size:.74rem;color:var(--muted);margin:0 0 2px 12px}
.msg-row{display:flex;align-items:center;gap:4px}
.thread .msg.me .msg-row{flex-direction:row-reverse}
.bubble{padding:8px 13px;border-radius:18px;background:var(--surface);border:1px solid var(--line);overflow-wrap:anywhere;line-height:1.45;font-size:.93rem;min-width:0;flex:1 1 auto}
.msg-tools{flex:0 0 auto}
.thread .msg.them .bubble{border-top-left-radius:6px;border-bottom-left-radius:6px}
.thread .msg.them.first .bubble{border-top-left-radius:18px}
.thread .msg.them.last .bubble{border-bottom-left-radius:18px}
.thread .msg.me .bubble{background:var(--brand);border-color:transparent;color:#fff;border-top-right-radius:6px;border-bottom-right-radius:6px}
.thread .msg.me.first .bubble{border-top-right-radius:18px}
.thread .msg.me.last .bubble{border-bottom-right-radius:18px}
.thread .msg.me .bubble a{color:#fff}
.msg-text{white-space:pre-wrap}
.msg-quote{display:block;width:100%;text-align:left;margin:0 0 6px;padding:6px 10px;border-left:3px solid rgba(255,255,255,.6);border-radius:8px;background:rgba(0,0,0,.08);font:inherit;font-size:.8rem;color:inherit;cursor:pointer;opacity:.9}
.thread .msg.them .msg-quote{border-left-color:var(--brand);background:var(--ink-2)}
.msg-quote b{display:block;font-size:.72rem}
.msg-quote span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msg-tools{display:flex;gap:2px;opacity:0;transition:.15s}
.thread .msg:hover .msg-tools,.msg-tools:focus-within{opacity:1}
.msg-tools button{width:28px;height:28px;border:0;border-radius:50%;background:none;color:var(--muted);cursor:pointer;font-size:.95rem}
.msg-tools button:hover{background:var(--ink-2);color:var(--brand)}
.react-pick{position:absolute;z-index:5;display:flex;gap:2px;padding:4px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:0 10px 30px rgba(15,23,42,.18);animation:salute-pop .25s cubic-bezier(.2,1.4,.4,1)}
.msg-row{position:relative}
.react-pick button{width:34px;height:34px;border:0;border-radius:50%;background:none;font-size:1.25rem;cursor:pointer;transition:transform .12s}
.react-pick button:hover{transform:scale(1.35);background:var(--ink-2)}
.msg-reacts{display:flex;gap:4px;margin:-6px 8px 0;position:relative;z-index:1}
.thread .msg.me .msg-reacts{justify-content:flex-end}
.msg-reacts button{padding:1px 7px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.75rem;cursor:pointer;color:var(--text)}
.msg-reacts button.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.msg-foot{display:flex;gap:8px;align-items:center;margin:3px 10px 0;font-size:.68rem;color:var(--muted)}
.thread .msg time{display:inline;font-size:.68rem;opacity:1;margin:0;color:var(--muted)}
.msg-seen{color:var(--brand);font-weight:700}
.thread .msg.flash .bubble{box-shadow:0 0 0 3px var(--brand-glow)}
.thread .typing .bubble{padding:10px 14px}
.dots{display:inline-flex;gap:4px;align-items:center;height:10px}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:dot-bounce 1.2s infinite}
.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}
@keyframes dot-bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-5px);opacity:1}}
.thread .typing small{margin:2px 10px 0;font-size:.7rem}
.chat-input{flex-wrap:wrap;align-items:flex-end}
.chat-input textarea{flex:1;min-height:0;height:auto;max-height:140px;resize:none;padding:10px 14px;border-radius:20px;line-height:1.4}
.reply-bar{flex-basis:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 12px;border-radius:10px;background:var(--brand-soft);color:var(--brand-2);font-size:.78rem}
.reply-bar em{font-style:normal;color:var(--muted)}
.reply-bar button{border:0;background:none;font-size:.95rem;cursor:pointer;color:var(--muted)}
.msg-gap{margin:12px 0 4px;text-transform:none;letter-spacing:0;font-weight:600}
.msg-gap span{background:none}

/* Чатын бичих мөр — Messenger маягийн */
.composer-bar{position:relative;display:flex;align-items:flex-end;gap:6px;padding:8px 10px;border-top:1px solid var(--line);flex-wrap:wrap}
.composer-bar .reply-bar{order:-1}
.cb-left{display:flex;gap:2px;align-items:center;flex:0 0 auto;padding-bottom:3px}
.cb-ic{width:34px;height:34px;border:0;border-radius:50%;background:none;color:var(--brand);display:grid;place-items:center;cursor:pointer;font-size:1.25rem;font-weight:700;line-height:1}
.cb-ic:hover{background:var(--brand-soft)}
.cb-gif{font-size:.62rem;font-weight:900;letter-spacing:.02em;border:2px solid var(--brand);width:30px;height:22px;border-radius:7px;margin:0 2px}
.composer-bar.has-text .cb-left .cb-ic:not(:first-child){display:none} /* бичиж эхлэхэд зай гаргана (Messenger шиг) */
.cb-input{flex:1;min-width:120px;display:flex;align-items:flex-end;gap:4px;padding:4px 4px 4px 14px;border-radius:20px;background:var(--ink-2)}
.cb-input textarea{flex:1;min-height:0;height:auto;max-height:140px;border:0;background:none;box-shadow:none;resize:none;padding:7px 0;font:inherit;line-height:1.4;outline:none}
.cb-input textarea:focus{border:0;box-shadow:none;outline:none}
.cb-emoji{width:32px;height:32px;border:0;border-radius:50%;background:none;color:var(--brand);display:grid;place-items:center;cursor:pointer}
.cb-emoji:hover{background:rgba(31,60,143,.1)}
.cb-send{width:40px;height:40px;flex:0 0 40px;border:0;border-radius:50%;background:none;cursor:pointer;display:grid;place-items:center;font-size:1.5rem;color:var(--brand)}
.cb-send .cb-arrow{display:none;font-size:1.1rem}
.composer-bar.has-text .cb-send{background:var(--brand);color:#fff}
.composer-bar.has-text .cb-send .cb-like{display:none}
.composer-bar.has-text .cb-send .cb-arrow{display:inline}
.cb-pop{position:absolute;left:10px;right:10px;bottom:calc(100% + 6px);z-index:6;padding:8px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:0 14px 40px rgba(15,23,42,.18);animation:salute-pop .2s cubic-bezier(.2,1.4,.4,1)}
.cb-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.cb-grid button{height:36px;border:0;border-radius:8px;background:none;font-size:1.35rem;cursor:pointer}
.cb-grid button:hover{background:var(--ink-2);transform:scale(1.15)}
.cb-grid-big{grid-template-columns:repeat(4,1fr)}
.cb-grid-big button{height:64px;font-size:2.2rem}
.cb-menu{display:grid;gap:2px}
.cb-menu button{display:flex;align-items:center;gap:8px;padding:10px 12px;border:0;border-radius:10px;background:none;font:inherit;font-weight:700;color:var(--text);cursor:pointer;text-align:left}
.cb-menu button:hover{background:var(--ink-2)}
.msg-sticker{font-size:3rem;line-height:1;display:block}
.thread .msg.is-sticker .bubble{background:none;border:0;padding:4px 2px}
.msg-img{display:block;max-width:240px;margin:2px 0}
.msg-img img{display:block;max-width:100%;border-radius:12px}
.thread .msg.has-img .bubble{padding:4px}
.thread .msg.has-img .msg-text{display:block;padding:4px 9px 6px}

/* Энгийн бичих мөр: зөвхөн Meet товч */
.cb-send.has-arrow .cb-arrow{display:inline;font-size:1.1rem}
.cb-send.has-arrow{background:var(--brand);color:#fff;opacity:.55}
.composer-bar.has-text .cb-send.has-arrow{opacity:1}
.composer-bar .cb-left .cb-ic{width:38px;height:38px;background:var(--brand-soft)}

/* Бичих мөр — цэвэрхэн, мэргэжлийн */
.composer-bar{padding:10px 12px 12px;gap:8px;background:var(--surface);border-top:1px solid var(--line)}
.composer-bar .cb-input{background:var(--surface);border:1.5px solid var(--line-2,var(--line));border-radius:22px;padding:4px 6px 4px 16px;min-height:44px;box-shadow:inset 0 1px 2px rgba(15,23,42,.04);transition:border-color .15s,box-shadow .15s}
.composer-bar .cb-input:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow,rgba(31,60,143,.14))}
.composer-bar .cb-input textarea{padding:8px 0;font-size:.95rem;color:var(--text)}
.composer-bar .cb-input textarea::placeholder{color:var(--muted)}
.composer-bar .cb-send.has-arrow{width:44px;height:44px;flex-basis:44px;border-radius:50%;background:var(--brand);color:#fff;opacity:1;box-shadow:0 6px 16px rgba(31,60,143,.28);transition:transform .12s,box-shadow .12s,opacity .15s}
.composer-bar .cb-send.has-arrow svg{margin-left:2px}
.composer-bar:not(.has-text) .cb-send.has-arrow{opacity:.45;box-shadow:none}
.composer-bar.has-text .cb-send.has-arrow:hover{transform:translateY(-1px) scale(1.04);box-shadow:0 8px 20px rgba(31,60,143,.36)}
.composer-bar .cb-send.has-arrow:active{transform:scale(.96)}
.composer-bar .cb-left .cb-ic{width:44px;height:44px;border-radius:50%;background:var(--teal-soft,var(--teal-soft));color:var(--teal,var(--teal));box-shadow:inset 0 0 0 1.5px rgba(15,157,138,.25)}
.composer-bar .cb-left .cb-ic:hover{background:#d3f0e7}
.composer-bar .cb-left .cb-ic svg{width:20px;height:20px}
.composer-bar .reply-bar{border-radius:12px;padding:8px 12px}

/* Чат хумих / нээх */
.rail-tab{display:none}
@media (min-width:1280px){
  html.has-rail body,html.has-rail .nav{transition:padding-right .3s var(--ease),right .3s var(--ease)}
  html.has-rail .rail .rail-close{display:inline-grid}
  html.has-rail .rail{transition:transform .3s var(--ease)}
  html.has-rail.rail-collapsed{--rail-w:0px}
  html.has-rail.rail-collapsed .rail{transform:translateX(104%)!important;box-shadow:none}
  html.has-rail.rail-collapsed .nav .rail-toggle{display:inline-grid}
  html.has-rail.rail-collapsed .rail-tab{position:fixed;right:0;top:50%;z-index:46;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 8px 12px 10px;border:1px solid var(--line);border-right:0;border-radius:14px 0 0 14px;background:var(--surface);color:var(--brand);font-size:.72rem;font-weight:800;cursor:pointer;transform:translateY(-50%);box-shadow:-6px 0 20px -8px rgba(18,24,41,.25);transition:transform .15s}
  html.has-rail.rail-collapsed .rail-tab:hover{transform:translateY(-50%) translateX(-3px)}
  html.has-rail.rail-collapsed .rail-tab .bell-badge{position:absolute;top:-6px;left:-6px}
  html.has-rail.rail-collapsed .chat-fab{right:22px}
}

/* Чатын жагсаалт: хэсгүүд, хүмүүс, анимаци */
.rail-head{padding:4px 0 10px;border-bottom:1px solid var(--line)}
.rail-head strong{font-size:1.2rem}
.rail-group-btn{border-radius:999px;background:var(--brand-soft);color:var(--brand);border:0;font-weight:800;padding:8px 14px;transition:transform .15s,background .15s}
.rail-group-btn:hover{background:var(--brand-tint);transform:translateY(-1px)}
.rail .rail-close{font-size:1.2rem;color:var(--muted)}
.rail-search{border-radius:14px;padding:2px 12px}
.rail-sec{display:flex;align-items:center;gap:8px;margin:12px 6px 4px;font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.rail-sec em{font-style:normal;padding:1px 8px;border-radius:999px;background:var(--ink-2);font-size:.7rem}
.rail-item{position:relative;border-radius:14px;transition:background .18s}
.rail-item:active{background:var(--brand-soft)}
.rail-item .avatar{width:40px;height:40px;font-size:.95rem;position:relative}
.rail-item .avatar::after{content:"";position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;background:#cbd5e1;border:2px solid var(--surface)}
.rail-item.unread .avatar::after{background:var(--teal,var(--teal));animation:pulse 1.6s infinite}
.rail-item.unread strong::after{display:none}
.rail-item.unread strong{color:var(--brand)}
.rail-time{font-size:.68rem;color:var(--muted);align-self:flex-start;margin-top:2px}
.rail-person small b{color:var(--brand)}
.rail-new{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;color:var(--muted);opacity:.45;transition:opacity .15s,background .15s,color .15s}
.rail-person:hover .rail-new{opacity:1;background:var(--brand-soft);color:var(--brand)}
.rail-in{animation:rail-in .28s ease both;animation-delay:calc(min(var(--i,0),12)*20ms)}
@keyframes rail-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rail-skel{display:flex;gap:12px;align-items:center;padding:10px}
.rail-skel i,.rail-skel b{display:block;border-radius:8px;background:linear-gradient(90deg,var(--ink-2) 25%,#e9edf6 50%,var(--ink-2) 75%);background-size:200% 100%;animation:skel 1.2s infinite}
.rail-skel i{width:40px;height:40px;border-radius:50%;flex:0 0 40px}
.rail-skel span{flex:1;display:grid;gap:6px}
.rail-skel b:first-child{height:12px;width:60%}.rail-skel b:last-child{height:10px;width:85%}
@keyframes skel{from{background-position:200% 0}to{background-position:-200% 0}}
.rail-pop{position:absolute;z-index:10;top:52px;right:14px;left:14px;padding:10px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:0 14px 40px rgba(15,23,42,.18);display:grid;gap:4px;animation:salute-pop .22s cubic-bezier(.2,1.4,.4,1)}
.rail-pop b{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;padding:2px 6px}
.rail-pop button{text-align:left;padding:9px 10px;border:0;border-radius:10px;background:none;font:inherit;font-weight:700;color:var(--text);cursor:pointer}
.rail-pop button:hover{background:var(--brand-soft);color:var(--brand)}
.msg-in{animation:msg-in .28s cubic-bezier(.2,1.2,.4,1) both}
@keyframes msg-in{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rail-in,.msg-in,.rail-skel i,.rail-skel b{animation:none}}

/* Сурагчдын бүлэг үүсгэх */
.team-form{display:grid;gap:8px}
.team-form input[name=title]{padding:9px 12px}
.team-list{max-height:260px;overflow:auto;display:grid;gap:2px}
.team-list label{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:10px;cursor:pointer;font-weight:600}
.team-list label:hover{background:var(--ink-2)}
.team-list label small{display:block;font-weight:500;color:var(--muted);font-size:.74rem}
.team-list .avatar{width:30px;height:30px;font-size:.75rem}

/* Чатын самбар — мэргэжлийн өнгөлгөө */
.rail{padding:14px 12px;gap:10px}
.rail-head{padding:4px 2px 12px;gap:8px}
.rail-head strong{font-size:1.15rem;letter-spacing:-.01em}
.rail-head strong i{animation:pulse 2.4s infinite}
.rail-group-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;font-size:.82rem}
.rail .rail-close{width:34px;height:34px;border-radius:10px;color:var(--muted)}
.rail .rail-close:hover{background:var(--ink-2);color:var(--brand)}
.rail-search{border:1px solid var(--line);background:var(--surface);border-radius:12px;transition:border-color .15s,box-shadow .15s}
.rail-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow,rgba(31,60,143,.12))}
.rail-list{gap:1px;padding:0 2px 8px}
.rail-sec{margin:10px 8px 6px;font-size:.66rem}
.rail-item{padding:9px 10px;border-radius:12px;align-items:center;gap:11px}
.rail-item:hover{background:var(--ink-2)}
.rail-item.active{background:var(--brand-soft)}
.rail-item.active strong{color:var(--brand)}
.rail-item .avatar{width:42px;height:42px;font-size:.95rem;flex:0 0 42px}
.rail-item .avatar.group{background:var(--brand-soft);color:var(--brand);display:grid;place-items:center}
.rail-item .avatar.team{background:var(--accent-soft);color:var(--accent-ink)}
.rail-item .avatar::after{width:10px;height:10px;right:0;bottom:0;border-width:2px}
.rail-row1{display:flex;align-items:baseline;gap:8px}
.rail-row1 strong{flex:1;min-width:0;font-size:.92rem;font-weight:700}
.rail-time{flex:0 0 auto;margin:0;font-size:.68rem;color:var(--muted);align-self:auto}
.rail-item small{margin-top:1px;font-size:.78rem;color:var(--muted)}
.rail-item small i{font-style:normal;color:var(--brand);opacity:.8}
.rail-item.unread small{color:var(--text);font-weight:600}
.rail-item.unread .rail-time{color:var(--brand);font-weight:700}
.rail-unread{flex:0 0 auto;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--brand);color:#fff;font-size:.7rem;font-weight:800;display:grid;place-items:center}
.rail-person .rail-new{width:32px;height:32px}
/* Хумьсан хавтас: "би энд байна" — амьсгалах гэрэл, шинэ мессежид дохих */
@media (min-width:1280px){
  html.has-rail.rail-collapsed .rail-tab{padding:12px 9px 12px 11px;gap:6px;border-radius:16px 0 0 16px;background:var(--brand);color:#fff;border:0;box-shadow:0 10px 26px -8px rgba(31,60,143,.55);animation:tab-in .45s cubic-bezier(.2,1.3,.4,1) both,tab-breathe 3.2s ease-in-out 1s infinite}
  html.has-rail.rail-collapsed .rail-tab:hover{transform:translateY(-50%) translateX(-4px);animation-play-state:paused}
  html.has-rail.rail-collapsed .rail-tab .rail-tab-ico{position:relative;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.14)}
  html.has-rail.rail-collapsed .rail-tab .rail-tab-dot{position:absolute;right:-1px;top:-1px;width:9px;height:9px;border-radius:50%;background:#34d399;border:2px solid #2f55c0;animation:pulse 2s infinite}
  html.has-rail.rail-collapsed .rail-tab .rail-tab-txt{font-size:.7rem;font-weight:800;letter-spacing:.04em;writing-mode:vertical-rl;transform:rotate(180deg)}
  html.has-rail.rail-collapsed .rail-tab .bell-badge{top:-6px;left:-8px;background:var(--coral,#ef4444);border:2px solid #fff}
  html.has-rail.rail-collapsed.rail-has-unread .rail-tab{animation:tab-in .45s cubic-bezier(.2,1.3,.4,1) both,tab-knock 2.2s ease-in-out .6s infinite}
  html.has-rail.rail-collapsed .rail-tab.nudge{animation:tab-nudge .7s cubic-bezier(.3,1.6,.4,1)}
}
@keyframes tab-in{from{opacity:0;transform:translateY(-50%) translateX(40px)}to{opacity:1;transform:translateY(-50%)}}
@keyframes tab-breathe{0%,100%{box-shadow:0 10px 26px -8px rgba(31,60,143,.55)}50%{box-shadow:0 10px 30px -4px rgba(31,60,143,.85),0 0 0 6px rgba(47,85,192,.12)}}
@keyframes tab-knock{0%,70%,100%{transform:translateY(-50%)}76%{transform:translateY(-50%) translateX(-6px) rotate(-2deg)}82%{transform:translateY(-50%) translateX(0) rotate(1.5deg)}88%{transform:translateY(-50%) translateX(-3px)}}
@keyframes tab-nudge{0%{transform:translateY(-50%) scale(1)}40%{transform:translateY(-50%) scale(1.12) translateX(-8px)}100%{transform:translateY(-50%) scale(1)}}
@media (prefers-reduced-motion:reduce){html.has-rail.rail-collapsed .rail-tab,html.has-rail.rail-collapsed.rail-has-unread .rail-tab,.rail-head strong i{animation:none}}

/* Миний цол — урам зоригийн карт */
.rank-hero{position:relative;overflow:hidden;padding:22px 22px 18px;border-radius:20px;color:#fff;background:radial-gradient(120% 140% at 0% 0%,#2f55c0 0%,#1f3c8f 55%,#15285f 100%);box-shadow:0 20px 50px -20px rgba(31,60,143,.6)}
.rank-hero::before{content:"";position:absolute;inset:-40% -20% auto auto;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(234,160,46,.35),transparent 60%);pointer-events:none}
.rank-hero .eyebrow{color:rgba(255,255,255,.7)}
.rank-hero-top{display:flex;gap:22px;align-items:center;flex-wrap:wrap;position:relative}
.rank-ring{--p:0;width:112px;height:112px;border-radius:50%;flex:0 0 112px;display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),rgba(255,255,255,.14) 0);box-shadow:0 0 0 6px rgba(255,255,255,.06),0 0 40px rgba(234,160,46,.35);animation:ring-pop .9s cubic-bezier(.2,1.3,.4,1) both}
.rank-ring-in{width:92px;height:92px;border-radius:50%;background:#1a3277;display:grid;place-items:center;font-size:2.4rem}
.rank-ring-in .rank-shine{color:#fde68a;filter:drop-shadow(0 0 10px rgba(253,230,138,.6))}
.rank-hero .rank-title{display:block;font-size:2rem;line-height:1.1;margin:2px 0 6px;letter-spacing:-.01em}
.rank-cheer{margin:0 0 10px;font-size:1rem;color:#fff;opacity:.95}
.rank-stats{display:flex;gap:14px;flex-wrap:wrap;font-size:.82rem;color:rgba(255,255,255,.8)}
.rank-stats b{color:#fff;font-size:1rem}
.rank-stats .bad{color:#ffd9d6}
.rank-next{margin-top:12px;max-width:520px}
.rank-next .meter{height:10px;background:rgba(255,255,255,.14);border-radius:999px;overflow:hidden}
.rank-next .meter i{display:block;height:100%;background:linear-gradient(90deg,#f5b84a,var(--accent));border-radius:999px;box-shadow:0 0 14px rgba(234,160,46,.7);transition:width 1s cubic-bezier(.2,1,.3,1)}
.rank-next span{display:flex;gap:6px;align-items:center;margin-top:6px;font-size:.8rem;color:rgba(255,255,255,.85)}
.rank-next em{font-style:normal;opacity:.6}
.rank-next b{margin-left:auto;color:#fde68a}
.rank-ladder-wrap{margin:18px -22px 0;padding:0 22px;overflow-x:auto;scrollbar-width:thin}
.rank-ladder{list-style:none;margin:0;padding:6px 0 10px;display:flex;gap:6px;min-width:max-content}
.rank-ladder li{position:relative;width:74px;padding:8px 4px;border-radius:12px;text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);opacity:.55;transition:transform .2s}
.rank-ladder li b{display:block;font-size:1.15rem;color:#fff;-webkit-text-fill-color:#fff;background:none;animation:none}
.rank-ladder li span{display:block;font-size:.62rem;font-weight:700;line-height:1.2;margin-top:4px;white-space:normal}
.rank-ladder li small{display:block;font-size:.6rem;opacity:.7;margin-top:2px}
.rank-ladder li.done{opacity:.9;background:rgba(255,255,255,.12)}
.rank-ladder li.done b{color:#fde68a;-webkit-text-fill-color:#fde68a}
.rank-ladder li.cur{opacity:1;background:var(--accent);color:#1a1a1a;border-color:transparent;transform:scale(1.08);box-shadow:0 10px 24px -8px rgba(234,160,46,.8)}
.rank-ladder li.cur b{color:#1a1a1a;-webkit-text-fill-color:#1a1a1a}
.rank-ladder li.cur small{opacity:.85}
.rank-ladder li.next{opacity:.95;border:1px dashed rgba(253,230,138,.7)}
.rank-ladder li.next::after{content:"дараагийн";position:absolute;top:-9px;left:50%;transform:translateX(-50%);font-size:.55rem;padding:1px 6px;border-radius:999px;background:#fde68a;color:#1a1a1a;font-weight:800;white-space:nowrap}
.rank-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:14px;position:relative}
.rank-box{padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1)}
.rank-box>b{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:rgba(255,255,255,.75);margin-bottom:8px}
.rank-todo ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.rank-todo li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem}
.rank-todo li i{flex:0 0 auto;min-width:36px;padding:2px 6px;border-radius:999px;background:#fde68a;color:#1a1a1a;font-style:normal;font-weight:800;font-size:.72rem;text-align:center}
.rank-hero .rank-courses{margin:0}
.rank-hero .rank-courses a{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:#fff}
.rank-hero .rank-courses a:hover{background:rgba(255,255,255,.14)}
.rank-hero .rank-courses small{color:rgba(255,255,255,.7)}
.rank-hero .rank-courses .chip{background:#fff;color:var(--brand)}
@keyframes ring-pop{from{transform:scale(.7);opacity:0}to{transform:none;opacity:1}}
@media (max-width:640px){.rank-hero{padding:18px 16px}.rank-hero .rank-title{font-size:1.5rem}.rank-ladder-wrap{margin:14px -16px 0;padding:0 16px}}

/* Мессеж засах / устгах */
.msg-deleted{font-style:italic;opacity:.65}
.thread .msg .bubble .msg-deleted{color:inherit}
.msg-edited{font-size:.66rem;color:var(--muted)}
.msg-edit{display:grid;gap:6px;min-width:240px}
.msg-edit textarea{width:100%;min-height:0;padding:8px 10px;border-radius:10px;font:inherit;color:var(--text);background:#fff;border:1px solid var(--line)}
.msg-edit div{display:flex;gap:6px;justify-content:flex-end}
.thread .msg.me .msg-edit textarea{color:#0f172a}

/* Чатын бөмбөлөг — FB маягийн тогтвортой өргөн: мөр бүтэн өргөн, багана 80% хүртэл, товчнууд давхарлана */
.thread .msg{width:100%;max-width:100%;align-self:stretch;justify-content:flex-start}
.thread .msg.me{justify-content:flex-start}
.msg-col{max-width:80%;min-width:0;width:auto}
.msg-row{position:relative;display:flex;align-items:center}
.bubble{flex:0 1 auto;max-width:100%;min-width:0}
.msg-tools{position:absolute;top:50%;transform:translateY(-50%);left:calc(100% + 4px);display:flex;gap:0;padding:2px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:0 4px 12px rgba(15,23,42,.08);opacity:0;pointer-events:none;transition:opacity .15s;white-space:nowrap;z-index:2}
.thread .msg.me .msg-tools{left:auto;right:calc(100% + 4px)}
.thread .msg:hover .msg-tools,.msg-tools:focus-within{opacity:1;pointer-events:auto}
.msg-tools button{width:26px;height:26px;font-size:.85rem}
.msg-deleted{font-style:italic;opacity:.6}
.thread .msg .bubble:has(.msg-deleted){background:transparent;border:1px dashed var(--line);color:var(--muted)}
.thread .msg.me .bubble:has(.msg-deleted){background:transparent;color:var(--muted)}
.msg-col .msg-foot{margin-top:2px}
@media (max-width:640px){.msg-col{max-width:86%}}
/* Багана доторх мөр, бөмбөлөг, quote баганаасаа хальж болохгүй (нэг мөрт урт quote ellipsis болно) */
.msg-col>*{max-width:100%}
.msg-row{max-width:100%;min-width:0}
.bubble{box-sizing:border-box}
.msg-quote{max-width:100%;min-width:0;box-sizing:border-box;overflow:hidden}
.msg-quote b,.msg-quote span{max-width:100%}
.msg-img{max-width:min(240px,100%)}

/* Миний суралцсан байдал */
.study{display:grid;gap:14px}
.st-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.st-tile{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.st-tile small{display:block;color:var(--muted);font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.st-tile b{display:block;font-size:1.5rem;margin:4px 0 2px;color:var(--brand)}
.st-tile b em{font-style:normal;font-size:.95rem;color:var(--muted);font-weight:600}
.st-tile span{font-size:.78rem;color:var(--muted)}
.st-bar{display:block;height:6px;border-radius:999px;background:var(--ink-2);overflow:hidden;margin-top:6px;min-width:60px}
.st-bar i{display:block;height:100%;background:var(--accent);border-radius:999px}
.st-bar.ok i{background:var(--teal)}
.st-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.st-table{width:100%;border-collapse:collapse;font-size:.88rem}
.st-table th{text-align:left;padding:10px 12px;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap}
.st-table td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.st-table tr:last-child td{border-bottom:0}
.st-table td a{color:inherit;text-decoration:none}
.st-table td a strong{display:block}
.st-table td small{display:block;color:var(--muted);font-size:.74rem}
.st-chip{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--ink-2);color:var(--muted);font-size:.74rem;font-weight:700;white-space:nowrap}
.st-chip.ok{background:var(--teal-soft);color:var(--teal)}
.st-chip.bad{background:var(--coral-soft);color:var(--coral)}
.st-pts{display:inline-flex;flex-direction:column;align-items:center;min-width:56px;padding:4px 8px;border-radius:10px;background:var(--ink-2)}
.st-pts b{font-size:1rem;color:var(--brand)}
.st-pts small{font-size:.66rem;color:var(--muted)}
.st-pts.ok{background:var(--teal-soft)}.st-pts.ok b{color:var(--teal)}
.st-pts.bad{background:var(--coral-soft)}.st-pts.bad b{color:var(--coral)}

/* Чат — үндсэн дизайнтай уялдуулах: ижил булан, сүүдэр, өнгө, үсэг */
.rail{background:var(--surface);border-left:1px solid var(--line)}
.rail-head strong{font-family:inherit;font-weight:800;color:var(--text)}
.rail-head strong i{background:var(--accent);box-shadow:0 0 0 4px rgba(234,160,46,.18)}
.rail-group-btn{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.rail-group-btn:hover{background:var(--brand-2);color:#fff}
.chat-body{background:var(--surface-2)}
.thread .msg.them .bubble{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm,0 1px 2px rgba(15,23,42,.05))}
.thread .msg.me .bubble{background:var(--brand);box-shadow:0 6px 16px -8px rgba(31,60,143,.6)}
.bubble{border-radius:16px;font-size:.92rem}
.msg-day span{background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.msg-reacts button{box-shadow:var(--shadow-sm,0 1px 2px rgba(15,23,42,.06))}
.msg-reacts button.on{background:rgba(234,160,46,.15);border-color:var(--accent);color:#9a5b00}
.msg-tools{border-radius:12px;box-shadow:var(--shadow,0 8px 24px rgba(15,23,42,.12))}
.msg-seen{color:var(--teal,var(--teal))}
.composer-bar{background:var(--surface)}
.composer-bar .cb-input{border-radius:16px;background:var(--surface-2);border-color:transparent}
.composer-bar .cb-input:focus-within{background:var(--surface);border-color:var(--brand)}
.composer-bar .cb-send.has-arrow{border-radius:14px}
.composer-bar .cb-left .cb-ic{border-radius:14px}
.rail-item{border-radius:12px}
.rail-unread{background:var(--accent);color:#1a1a1a}
.rail-item .avatar.group{background:var(--brand-soft);color:var(--brand)}

/* Хичээлийн мөр доош задрах + өмнөх/дараагийн хичээл */
.lesson[data-lesson]{cursor:pointer;flex-wrap:wrap}
.lesson.open{background:var(--brand-soft)}
.lesson-more{flex-basis:100%;width:100%;margin-top:10px;padding:12px 14px;border-top:1px dashed var(--line);display:grid;gap:10px;animation:rail-in .25s ease both}
.lm-facts{display:flex;gap:6px;flex-wrap:wrap}
.lm-acts{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 6px}
.lesson-nav .ln{display:grid;gap:2px;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font:inherit;cursor:pointer;transition:border-color .15s,transform .15s,box-shadow .15s}
.lesson-nav .ln.next{text-align:right;background:var(--brand);color:#fff;border-color:transparent}
.lesson-nav .ln small{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;opacity:.75}
.lesson-nav .ln b{font-size:.95rem;line-height:1.3}
.lesson-nav .ln em{font-style:normal;font-size:.8rem;opacity:.85}
.lesson-nav .ln:not([disabled]):hover{transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(31,60,143,.5);border-color:var(--brand)}
.lesson-nav .ln[disabled]{opacity:.6;cursor:not-allowed}
@media (max-width:640px){.lesson-nav{grid-template-columns:1fr}}

/* Хичээл мөрөн дотор задрах (inline) */
.modal.inline{position:static;inset:auto;display:block;padding:0;background:none;backdrop-filter:none;opacity:1;visibility:visible;z-index:auto}
.modal.inline .modal-card{width:100%;max-width:none;max-height:none;overflow:visible;padding:18px 18px 14px;border-radius:16px;box-shadow:none;transform:none;cursor:auto}
.modal.inline .modal-x{top:8px;right:8px}
.lesson.open{cursor:default;background:var(--surface);box-shadow:0 14px 40px -18px rgba(31,60,143,.35);border-color:var(--brand)}
.lesson.open>.lesson-num,.lesson.open>.lesson-title{cursor:pointer}
.lm-body{margin-top:4px;cursor:auto}
.lm-body .loader{margin:30px auto}

/* Дарааллын түгжээ — жижиг цонх */
.drip-pop{position:fixed;inset:0;z-index:1150;display:grid;place-items:center;padding:16px;background:rgba(18,24,41,.35);backdrop-filter:blur(3px);animation:fade-in .2s ease}
.drip-pop.out{opacity:0;transition:opacity .2s}
.dp-card{position:relative;width:min(420px,100%);padding:22px 22px 18px;border-radius:20px;background:var(--surface);box-shadow:0 30px 70px -20px rgba(18,24,41,.45);text-align:center;animation:salute-pop .35s cubic-bezier(.2,1.3,.4,1)}
.dp-x{position:absolute;top:10px;right:10px}
.dp-card h3{margin:12px 0 6px;font-size:1.15rem}
.dp-card p{margin:0 0 16px;color:var(--muted);line-height:1.5}
.dp-card p b{color:var(--text)}
.dp-left{display:inline-block;margin-top:6px;padding:2px 10px;border-radius:999px;background:rgba(234,160,46,.15);color:#9a5b00;font-weight:700;font-size:.82rem}
.dp-steps{display:flex;align-items:center;justify-content:center;gap:8px}
.dp-step{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;font-weight:800;position:relative}
.dp-step small{position:absolute;top:52px;width:110px;font-size:.68rem;font-weight:600;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dp-step.cur{background:var(--brand);color:#fff;box-shadow:0 0 0 6px var(--brand-soft);animation:pulse 2s infinite}
.dp-step.lock{background:var(--ink-2);color:var(--muted)}
.dp-steps i{width:56px;height:3px;border-radius:3px;background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 10px)}
.dp-card .dp-steps{margin-bottom:26px}
.dp-acts{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.lesson-nav .ln.is-lock{opacity:.75}
/* Наалдсан табын цэс: багшийн удирдлага (.manage) дээр ч бүтэн өргөнөөр, агуулгатай ижил тэнхлэгт */
.pf-stuck .pf-tabs,.pf-stuck.pf .pf-tabs,.pf.manage.pf-stuck .pf-tabs,.pf-stuck .pf.manage .pf-tabs{max-width:none;margin:0;width:auto}
.pf.manage.pf-stuck .pf-tabs,.pf-stuck .pf.manage .pf-tabs{padding:0 max(16px,calc((100vw - var(--rail-w,0px) - 1360px)/2 + 16px))}

/* Хичээл хэзээ нээгдэх — сонголтын картууд */
.pe-unlock{margin-top:12px;display:grid;gap:8px}
.pe-unlock>b{font-size:.85rem}
.ur-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}
.ur{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;background:var(--surface);transition:border-color .15s,background .15s}
.ur:hover{border-color:var(--brand)}
.ur.on{border-color:var(--brand);background:var(--brand-soft)}
.ur input{position:absolute;opacity:0;pointer-events:none}
.ur-ic{font-size:1.2rem;line-height:1.2}
.ur strong{display:block;font-size:.86rem}
.ur small{display:block;font-size:.74rem;color:var(--muted);font-weight:500;line-height:1.35}

/* Хаагдсан хичээл, багшийн "Дахин нээх" мэдэгдэл */
.lesson.is-blocked .lesson-state{color:var(--coral);font-weight:700}
.bell-blocked{border-left:3px solid #dc2626}
.bell-blocked>div{display:grid;gap:3px;padding:10px 12px}
.bell-unblock{justify-self:start;margin-top:6px;background:#dc2626;color:#fff;border:0;border-radius:999px;font-weight:800;padding:6px 12px;box-shadow:0 6px 16px -6px rgba(220,38,38,.6)}
.bell-unblock:hover{background:var(--coral)}
.bell-unblock.done{background:var(--teal);box-shadow:none}
.warn-set{margin-top:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px}
.warn-set legend{font-weight:800;font-size:.85rem;padding:0 6px}
.bell-unblock{max-width:100%;white-space:normal;text-align:left;line-height:1.3}

/* 6 минутын видео хэсгүүд */
.vparts{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:8px 0 0}
.vparts button{padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font:inherit;font-size:.78rem;font-weight:700;color:var(--text);cursor:pointer}
.vparts button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.vparts button:disabled{opacity:.45;cursor:not-allowed}

/* HTML embed */
.rb-embed{margin:12px 0}
.rb-embed iframe{display:block;width:100%;border:1px solid var(--line);border-radius:14px;background:#fff}
.be-embed{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;line-height:1.45;padding:10px 12px;border-radius:10px}
.be-embed-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:6px}
.be-embed-bar input{width:80px;padding:6px 8px;margin:0 4px}
.be-embed-prev:not(:empty){margin-top:8px}

/* Гадаад видео (YouTube/Vimeo): холбоос, лого дарагдахгүй хамгаалалт */
.yt-wrap{position:relative;width:100%;aspect-ratio:16/9;background:#000;overflow:hidden;user-select:none}
.yt-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;pointer-events:none}
.yt-wrap.vm iframe{pointer-events:auto}
.yt-shield{position:absolute;inset:0 0 44px 0;z-index:2;display:grid;place-items:center;cursor:pointer;background:transparent}
.yt-big{width:68px;height:68px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;color:#fff;background:rgba(15,23,42,.6);transition:opacity .2s}
.yt-wrap.playing .yt-big{opacity:0}
.yt-bar{position:absolute;left:0;right:0;bottom:0;z-index:3;height:44px;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.yt-bar .vg-prog{cursor:not-allowed}
.yt-bar .vg-prog.seekable{cursor:pointer}
.yt-wrap:fullscreen{aspect-ratio:auto}
.vm-shield-top{position:absolute;top:0;left:0;right:0;height:70px;z-index:2}
.vm-shield-logo{position:absolute;right:0;bottom:0;width:110px;height:56px;z-index:2}

/* Тоглоогүй/зогссон үед YouTube-ийн гарчиг, "Watch on YouTube"-ийг өөрийн бүрхүүлээр нууна */
.yt-cover{position:absolute;inset:0;z-index:1;background:#000 center/cover no-repeat;transition:opacity .25s}
.yt-cover::after{content:"";position:absolute;inset:0;background:rgba(10,16,40,.35)}
.yt-wrap.playing .yt-cover{opacity:0;pointer-events:none}
.yt-wrap.playing .yt-shield{background:linear-gradient(rgba(0,0,0,0) 0,rgba(0,0,0,0) 100%)}
.yt-wrap::before{content:"";position:absolute;left:0;right:0;top:0;height:64px;z-index:1;background:linear-gradient(rgba(0,0,0,.55),transparent);pointer-events:none;opacity:0;transition:opacity .2s}
.yt-wrap.playing::before{opacity:1}

/* Үйл явдлын лог: доош гүйлгэхэд 20-оор ачаална */
.ev-feed{max-height:520px;overscroll-behavior:contain}
.ev-more{text-align:center;padding:12px 8px 6px;cursor:pointer;min-height:20px}
.ev-more:empty{padding:0;min-height:1px}

/* Видео: үзсэн хэсэг (буцаж гүйлгэж болох) цайвар, одоогийн байрлал улбар шар */
.vg-bar .vg-prog{position:relative;cursor:pointer}
.vg-bar .vg-prog .vg-seen{position:absolute;left:0;top:0;bottom:0;width:0;background:rgba(255,255,255,.45);border-radius:inherit}
.vg-bar .vg-prog i{position:relative}

/* =====================================================================
   v8 · Мэргэжлийн, энгийн дизайн систем — логоны хоёр өнгөөр
   • Хар хөх (#1f3c8f): үндсэн үйлдэл, гарчиг, идэвхтэй төлөв.
   • Улбар шар (#eaa02e): цөөн онцлох — дугаар, явц, идэвхтэй табын зураас, анхааруулга.
   • Ногоон зөвхөн "дууссан/амжилттай", улаан зөвхөн "алдаа/хаагдсан" утгаар.
   • Цагаан хавтгай карт + 1px зураас + маш зөөлөн сүүдэр. Градиент гялбаа, хөвөх/эргэх
     хөдөлгөөн байхгүй. Энэ давхарга хамгийн сүүлд ачаалагдаж өмнөх бүх хэв маягийг нэгтгэнэ.
   ===================================================================== */
:root{
  --brand:#1f3c8f; --brand-2:#172c6b; --brand-3:#2c4ca6;
  --brand-soft:#eef2fb; --brand-tint:#dbe3f5; --brand-glow:rgba(31,60,143,.18);
  --accent:#eaa02e; --accent-2:#d48a17; --accent-ink:#9c5a00; --accent-soft:#fdf3e2;
  --ink:#f5f7fb; --ink-2:#eef1f6; --surface:#fff; --surface-2:#f8f9fc; --card:#fff;
  --line:#e3e7ef; --line-2:#d0d7e3;
  --text:#131b31; --text-2:#3b4560; --muted:#647089;
  --teal:#17805a; --teal-soft:#e8f5ee; --coral:#c93a31; --coral-soft:#fcecea;
  --amber:#9c5a00; --amber-soft:#fdf3e2; --violet:var(--brand-3);
  --gold:var(--brand); --gold-2:var(--brand-2); --on-brand:#fff;
  --radius:16px; --radius-lg:20px; --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(19,27,49,.05);
  --shadow:0 1px 2px rgba(19,27,49,.05),0 10px 28px -14px rgba(19,27,49,.2);
  --shadow-lg:0 2px 6px rgba(19,27,49,.06),0 28px 60px -24px rgba(19,27,49,.32);
  --state:rgba(31,60,143,.06);
  --dots:radial-gradient(rgba(255,255,255,.11) 1px,transparent 1.4px) 0 0/18px 18px;
  --navy:linear-gradient(135deg,#1f3c8f 0%,#172c6b 100%);
}
body{background:var(--ink);color:var(--text)}

/* --- Чимэглэлийн эффектүүдийг бүрэн унтраана (тайван, мэргэжлийн) --- */
.aurora,.spotlight,.grain,.glare,.scroll-cue,.hero::after,.avatar-wrap::before,.qr-scan,.pf-cover-qr-img .qr-scan{display:none!important}
.tilt,.tilt.tilting{transform:none!important}
.avatar-ring,.pf-cover-qr,.chat-fab::before,.chat-status i,.status-processing::before{animation:none}
.rank-shine,.lesson-rank.rank-shine,.an-rank.rank-shine{animation:none!important;background-image:none!important;-webkit-text-fill-color:currentColor!important;filter:none!important}
.course-rank .cr-sign.rank-shine{filter:none}

/* --- Дээд цэс --- */
.nav{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.3) blur(10px)}
.nav.scrolled{background:#fff;box-shadow:var(--shadow-sm)}
.nav-link{border-radius:999px}

/* --- Бичвэр --- */
.display{color:var(--brand)}
.display .w>span,.display .w:nth-child(even)>span{color:inherit}
.home-title .w:nth-child(4)>span{color:var(--accent)}
.eyebrow{color:var(--accent-ink);letter-spacing:.14em}
.h2,.h3{color:var(--text)}
.lead{color:var(--text-2)}
.link{color:var(--brand)}

/* --- Товч: pill; үндсэн = хар хөх, хоёрдогч = цайвар хөх, хүрээтэй = цагаан --- */
.btn{border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--text);box-shadow:none;letter-spacing:0}
.btn:hover{background:var(--surface-2);border-color:var(--brand);color:var(--brand)}
.btn-gold{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(19,27,49,.14)}
.btn-gold:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;box-shadow:0 8px 18px -10px rgba(31,60,143,.6)}
.btn-glass,.btn-teal{background:var(--brand-soft);border-color:transparent;color:var(--brand);box-shadow:none}
.btn-glass:hover,.btn-teal:hover{background:var(--brand-tint);border-color:transparent;color:var(--brand-2);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand-tint);color:var(--brand-2)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#231705}
.btn-accent:hover{background:var(--accent-2);border-color:var(--accent-2);color:#231705}
.btn-danger{background:var(--coral-soft);border-color:transparent;color:var(--coral)}
.btn-danger:hover{background:var(--coral);border-color:var(--coral);color:#fff}
.btn-sm{padding:7px 14px;font-size:.86rem}
.btn-lg{padding:13px 24px;font-size:1rem}
.icon-btn:hover{background:var(--state);color:var(--brand)}
.pf-cover-btn,.viewas-bar .btn{border-radius:999px}
.pf-cover-btn:hover,.pf-avatar-btn:hover{background:var(--brand);color:#fff}

/* --- Шошго --- */
.chip{padding:3px 10px;border-radius:999px;font-size:.76rem;font-weight:700;line-height:1.5;background:var(--ink-2);color:var(--text-2)}
.chip-gold{background:var(--brand-soft);color:var(--brand)}
.chip-teal{background:var(--teal-soft);color:var(--teal)}
.chip-coral{background:var(--coral-soft);color:var(--coral)}
.chip-amber{background:var(--accent-soft);color:var(--accent-ink)}
.flag{padding:3px 10px;border-radius:999px;font-size:.72rem;background:#fff;color:var(--text);box-shadow:none}
.flag-new{background:var(--accent);color:#231705}
.flag-own{background:#fff;color:var(--teal)}
.tag{border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.pill{border-radius:999px}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pill.active::before{content:none}
.lesson-kind em,.kind{border-radius:999px;padding:2px 8px;font-weight:700;background:var(--ink-2);color:var(--text-2)}

/* --- Гадаргуу: нэг хэлбэрийн карт --- */
.card,.panel,.glass,.item,.person,.tile,.stat-tile,.lesson,.post,.gp-head,.idcard,.course-card,.group,.kpi,.an-tile,.st-tile,.rank-card,.lesson-group details,.st-table-wrap,.resume,.quick>*{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.card,.item,.person,.tile,.stat-tile,.post,.kpi,.an-tile,.st-tile,.group,.rank-card,.resume,.quick>*{border-radius:var(--radius)}
.panel,.glass,.gp-head,.idcard,.course-card,.lesson-group details{border-radius:var(--radius-lg)}
a.item:hover,.person:hover,.tile:hover,.stat-tile:hover,.course-card:hover,.group:hover,.quick>*:hover,.row:hover,.rank-courses a:hover{border-color:var(--brand-tint);box-shadow:var(--shadow);transform:none}
.row{background:var(--surface);border-radius:14px}
.empty{border-radius:var(--radius);border-color:var(--line-2)}
.modal{background:rgba(19,27,49,.42);backdrop-filter:blur(2px)}
.modal-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border-color:var(--line)}
.toast{border-radius:12px;background:#131b31;font-weight:600;box-shadow:var(--shadow-lg)}
.toast.err{background:var(--coral)}
.bell-badge,.chat-fab-dot{background:var(--coral)}
.verified{background:var(--brand)}

/* --- Аватар: хөхийн өнгөний бүлэгт, хавтгай --- */
.avatar{background:linear-gradient(135deg,hsl(var(--h,222) 52% 44%),hsl(var(--h,222) 60% 30%))}

/* --- Хар хөх тууз (самбарын толгой, нүүр зураг): хавтгай + нарийн цэгэн бүтэц + улбар шар доод зураас --- */
.dash-head,.banner{background:var(--dots),var(--navy);border-bottom:4px solid var(--accent);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.dash-head .btn,.banner .btn{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);color:#fff}
.dash-head .btn:hover,.banner .btn:hover{background:#fff;border-color:#fff;color:var(--brand)}
.idcard-top{background:var(--dots),var(--navy)}
.side{background:linear-gradient(180deg,#172c6b,#1f3c8f);box-shadow:none}
.pf-cover{background:var(--dots),linear-gradient(120deg,#172c6b,#1f3c8f 65%,#22439c);border-bottom:4px solid var(--accent)}
.pf-cover::before{display:none}
.pf-cover-qr{border-radius:16px;box-shadow:0 0 0 2px var(--accent),var(--shadow-lg)}
.pf-cover-qr:hover{transform:translateY(-58%)}
.pf-avatar .avatar{box-shadow:var(--shadow)}
.pf-tab.active{color:var(--brand)}
.pf-ink{background:var(--accent)}
.pf-next{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent)}
.pf-next:hover{transform:none;box-shadow:var(--shadow)}
.pf-next .item-ico{background:var(--accent-soft);color:var(--accent-ink)}

/* --- Сургалтын карт: хар хөх нүүр + улбар шар дугаар (логоны хэв маяг) --- */
.course-card{overflow:hidden}
.course-art{height:150px;background:var(--dots),linear-gradient(135deg,hsl(var(--h,222) 62% 33%),hsl(var(--h,222) 68% 21%));box-shadow:inset 0 -3px 0 var(--accent)}
.course-art::before{display:none}
.course-num{right:18px;bottom:14px;font:800 3rem/1 var(--sans);letter-spacing:-.04em;color:var(--accent);transform:none}
.course-body{padding:18px 18px 16px;gap:6px}
.course-body h3{font-size:1.08rem;line-height:1.35;color:var(--text)}
.course-meta{padding-top:10px;border-top:1px solid var(--line);margin-top:auto}
.price{color:var(--brand)} .price.free{color:var(--teal)}
.group-art{height:100px;background:var(--dots),linear-gradient(135deg,hsl(var(--h,222) 62% 33%),hsl(var(--h,222) 68% 21%));box-shadow:inset 0 -3px 0 var(--accent)}
.group-art b{color:var(--accent);font-size:2.2rem}
.group:hover{border-color:var(--brand-tint)}
.gp-cover{background:var(--dots),linear-gradient(135deg,hsl(var(--h,222) 62% 33%),hsl(var(--h,222) 68% 21%));border-bottom:4px solid var(--accent)}
.gp-cover::before{display:none}
.gp-cover b{color:rgba(234,160,46,.85)}
.book3d .cover{background:var(--dots),linear-gradient(135deg,hsl(var(--hue,222) 62% 36%),hsl(var(--hue,222) 68% 22%))}

/* --- Нүүр хуудас --- */
.home-top{background:#fff;border-bottom:1px solid var(--line)}
.home-top::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(rgba(31,60,143,.09) 1px,transparent 1.5px) 0 0/22px 22px;
  -webkit-mask:radial-gradient(80% 70% at 50% 0%,#000 20%,transparent 75%);mask:radial-gradient(80% 70% at 50% 0%,#000 20%,transparent 75%)}
.authed .home-top{background:none;border-bottom:0}
.authed .home-top::before{display:none}
.home-title{letter-spacing:-.04em}
.find-home .find-bar{background:#fff;border:1px solid var(--line-2);box-shadow:0 1px 2px rgba(19,27,49,.05),0 14px 34px -20px rgba(31,60,143,.45)}
.find-home .find-bar:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow)}
.find-chips button{background:#fff;font-weight:600}
.find-chips button:hover{background:var(--brand-soft);border-color:var(--brand-tint);color:var(--brand)}
.landing .features{max-width:1120px;gap:16px}
.feature{padding:24px}
.feature h3{font-size:1.06rem;margin:14px 0 6px;color:var(--text)}
.f-ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand)}
.feature:nth-child(2) .f-ico{background:var(--accent-soft);color:var(--accent-ink)}

/* --- Нэвтрэх --- */
.auth{background:#fff}
.auth::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(rgba(31,60,143,.08) 1px,transparent 1.5px) 0 0/22px 22px;
  -webkit-mask:radial-gradient(60% 60% at 50% 30%,#000,transparent 80%);mask:radial-gradient(60% 60% at 50% 30%,#000,transparent 80%)}
.auth-card{box-shadow:var(--shadow-lg)}
.tabs{background:var(--ink-2)}
.tab-ink{background:var(--brand);box-shadow:none}

/* --- Сургалтын хуудас --- */
.hero{min-height:0;background:#fff;border-bottom:1px solid var(--line)}
.hero-course{padding:112px clamp(16px,5vw,64px) 52px}
.hero-course .display{font-size:clamp(2rem,4.4vw,3.3rem);line-height:1.08;letter-spacing:-.035em;text-wrap:balance;margin:.25em 0 .35em}
.hero-course .hero-card{box-shadow:var(--shadow)}
.stat b,.price-big{color:var(--brand)}
.teacher-chip{box-shadow:none}
.teacher-chip:hover{border-color:var(--brand-tint);background:var(--surface-2)}
.meet-item{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent)}
.meet-item time{color:var(--brand)}

/* Хичээлийн мөр: өнгөт хүрээний оронд дугаарын тэмдэг төлөвийг харуулна */
.lesson{padding:13px 16px;gap:14px;border-radius:14px}
.lesson.is-free,.lesson.unlocked,.lesson.is-done{border-left:1px solid var(--line)}
.lesson-num{display:grid;place-items:center;flex:none;width:34px;height:34px;border-radius:10px;font:700 .86rem var(--sans);font-variant-numeric:tabular-nums;background:var(--ink-2);color:var(--muted)}
.lesson.is-free .lesson-num,.lesson.unlocked .lesson-num{background:var(--brand-soft);color:var(--brand)}
.lesson.is-done .lesson-num{background:var(--teal-soft);color:var(--teal)}
.lesson.is-drip .lesson-num{background:var(--ink-2);color:var(--line-2)}
.lesson-title{font-weight:700;color:var(--text)}
.lesson.open{background:var(--surface);border-color:var(--brand-tint);box-shadow:0 0 0 3px var(--brand-soft)}
.lg-list .lesson:hover{border-color:var(--brand-tint)}
.lg-head{background:var(--surface)}
.lg-head:hover{background:var(--surface-2)}
.lesson-group details[open]>.lg-head{border-bottom:1px solid var(--line)}
.lg-num{border-radius:10px;background:var(--brand)}
.lesson-state.timer{color:var(--accent-ink)}
.lesson-nav .ln.next{background:var(--brand);border-color:var(--brand)}
.lesson-nav .ln:not([disabled]):hover{transform:none;box-shadow:var(--shadow);border-color:var(--brand-tint)}
.meter{background:var(--ink-2)}
.meter i{background:var(--brand)}
.progress i{background:var(--brand)}

/* --- Самбар: жагсаалт, тоон хавтан --- */
.item-ico{border-radius:12px;background:var(--brand-soft);color:var(--brand)}
.item-ico svg,.tile em svg,.f-ico svg{display:block}
.item.warn,.item.live{background:var(--surface);border-color:var(--line);border-left:3px solid var(--accent)}
.item.warn .item-ico,.item.live .item-ico{background:var(--accent-soft);color:var(--accent-ink)}
.resume{border-left:3px solid var(--brand);box-shadow:var(--shadow-sm)}
.tiles{gap:12px}
.tile{padding:16px;gap:2px}
.tile em{display:grid;place-items:center;width:36px;height:36px;margin-bottom:10px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-size:1.05rem}
.tile b{font-size:1.6rem;color:var(--text)}
.tile span{font-size:.84rem;font-weight:600;color:var(--muted)}
.tile-rank em{background:var(--accent-soft);color:var(--accent-ink)}
.tile-rank b{font-size:1.02rem;color:var(--brand)}
.dash-sec h2{display:flex;align-items:center;gap:10px;font-size:1.2rem;color:var(--text)}
.dash-sec h2 .sec-ico{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--brand-soft);color:var(--brand)}
.stat-tile b{color:var(--text)}
.t-pink{background:var(--accent-soft);color:var(--accent-ink)}
.kpi b,.an-tile b{color:var(--text)}
.an-tile.learn{background:var(--surface)}
.an-tile.learn b{color:var(--brand)}
.an-tile.warn{background:var(--coral-soft);border-color:#f4c9c5}
.an-tile.warn b{color:var(--coral)}
.an-live{color:var(--teal)}
.day.active{background:var(--brand);box-shadow:none}
.idcard-role{background:var(--accent);color:#231705}

/* --- Хүснэгт --- */
.table th,.tbl th,.st-table th{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--surface-2)}
.table td,.tbl td,.st-table td{border-bottom:1px solid var(--line)}
.table tbody tr:hover td,.tbl tbody tr:hover td,.st-table tbody tr:hover td{background:var(--surface-2)}
.st-bar i{background:var(--brand)}
.st-bar.ok i{background:var(--teal)}
.st-tile b,.st-pts b{color:var(--text)}
.st-pts.ok b{color:var(--teal)}
.st-pts.bad b{color:var(--coral)}

/* --- Цол: хар хөх хавтгай карт, улбар шар явц --- */
.rank-hero{background:var(--dots),var(--navy);box-shadow:var(--shadow);border-radius:var(--radius-lg)}
.rank-hero::before{display:none}
.rank-ring{box-shadow:0 0 0 6px rgba(255,255,255,.06)}
.rank-ring-in{background:#18306f}
.rank-ring-in .rank-shine{color:var(--accent)}
.rank-next .meter{background:rgba(255,255,255,.16)}
.rank-next .meter i{background:var(--accent);box-shadow:none}
.rank-next b{color:var(--accent)}
.rank-ladder li.cur{box-shadow:none;transform:none}
.rank-ladder li.done b{color:var(--accent);-webkit-text-fill-color:var(--accent)}
.rank-ladder li.next{border-color:rgba(234,160,46,.6)}
.rank-ladder li.next::after{background:var(--accent);color:#231705}
.rank-todo li i{background:var(--accent);color:#231705}
.rank-box{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.12)}
.rank-tips{background:var(--accent-soft);color:var(--accent-ink)}

/* --- Чат: хавтгай хар хөх бөмбөлөг --- */
.thread .msg.me .bubble{background:var(--brand);box-shadow:none;color:#fff}
.rail-group-btn{background:var(--brand);box-shadow:none}
.rail-group-btn:hover{background:var(--brand-2)}
.composer-bar .cb-send.has-arrow{background:var(--brand);box-shadow:none}
.chat-fab{background:var(--brand);border-radius:16px;box-shadow:var(--shadow-lg)}
html.has-rail.rail-collapsed .rail-tab{background:var(--brand);box-shadow:var(--shadow)}
html.has-rail.rail-collapsed .rail-tab .rail-tab-dot{background:var(--accent);border-color:var(--brand);animation:none}
.rail-head strong i{background:var(--accent);box-shadow:none}
.msg-seen{color:var(--teal)}

/* --- Видео тоглуулагчийн явц --- */
.vg-bar .vg-prog i{background:var(--accent)}

@media (max-width:560px){
  .hero-course{padding:96px 16px 36px}
  .course-art{height:128px}
  .course-num{font-size:2.5rem}
  .lesson-num{width:30px;height:30px;font-size:.8rem}
}

/* v8 нарийвчлал */
.f-ico svg{width:22px;height:22px}
.price.free{color:var(--accent-ink)}
/* Тоон хавтан: нэг цагаан туузанд хуваагчтай (мөр бүрийг дүүргэнэ, хоосон нүд үлдэхгүй) */
.tiles{display:flex;flex-wrap:wrap;gap:1px;margin:16px 0 4px;padding:0;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.tiles>.tile{flex:1 1 128px;min-width:0;border:0;border-radius:0;box-shadow:none;background:var(--surface)}
.tiles>.tile:hover{background:var(--surface-2);box-shadow:none}
.course-page .hero-course+.section{padding-top:clamp(28px,4vw,44px)}
.course-page .section-head{margin-bottom:22px}
.course-rank{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
/* Сургалтын толгой: доорх хэсэгтэй нэг тэнхлэгт; үндсэн товч дээд мөрөнд, туслах хоёр нь доор */
.course-page .hero-inner{max-width:calc(1200px - 2*clamp(16px,5vw,64px))}
.hero-course .hero-cta{display:grid;grid-template-columns:repeat(2,max-content);justify-content:start;gap:10px}
.hero-course .hero-cta>#buyBtn{grid-column:1/-1;justify-self:start}
.hero-course .hero-cta .btn-glass{padding:10px 18px;font-size:.94rem}
@media (max-width:560px){.hero-course .hero-cta{grid-template-columns:1fr 1fr}.hero-course .hero-cta>#buyBtn{justify-self:stretch}}
.composer-bar .cb-left .cb-ic{background:var(--brand-soft);color:var(--brand);box-shadow:none}
.composer-bar .cb-left .cb-ic:hover{background:var(--brand-tint)}
@media (max-width:560px){
  .tiles>.tile{flex-basis:46%;display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:10px;align-items:center;padding:12px}
  .tiles>.tile em{grid-row:1 / span 2;margin:0;width:34px;height:34px}
  .tiles>.tile b{font-size:1.25rem;line-height:1.1}
  .tiles>.tile span{font-size:.78rem;line-height:1.25}
}

/* Сургалтын нэгдсэн цол: хичээлүүдийг нэгтгэсэн нэг цол (хичээл бүр зөвхөн оноо нэмнэ) */
.course-rank{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:2px 14px;align-items:center;padding:16px 18px;max-width:640px}
.course-rank .cr-sign{grid-row:1 / span 2;display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--brand);color:var(--accent);font-size:1.25rem;filter:none}
.course-rank .cr-main{display:grid;line-height:1.25;min-width:0}
.course-rank .cr-label{font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.course-rank .rank-name{font-size:1.15rem;color:var(--text)}
.course-rank .cr-pts{justify-self:end;color:var(--muted);font-size:.85rem;white-space:nowrap}
.course-rank .cr-pts b{font-size:1.35rem;color:var(--brand)}
.course-rank .cr-sum{grid-column:2 / -1;font-size:.82rem;color:var(--muted)}
.course-rank .cr-meter{grid-column:1 / -1;height:6px;margin-top:10px;min-width:0}
.course-rank .cr-next{grid-column:1 / -1;font-size:.8rem;color:var(--muted)}
.course-rank .cr-next b{color:var(--text)}
.course-rank .cr-tips{grid-column:1 / -1;flex-basis:auto;margin:6px 0 0}
.course-rank .cr-bad{color:var(--coral)}
.lesson-rank{background:var(--brand-soft);color:var(--brand)}
.lesson-rank.high{background:var(--teal-soft);color:var(--teal)}
/* Төлбөртэй шууд хичээл: холбоосоор ирэхэд тухайн мөрийг тодруулна */
.meet-item .chip{margin-left:6px;vertical-align:1px}
.meet-item.meet-focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* Ном шиг уншигч (хичээлийн PDF): томруулах, чирж харах */
.fb-stage{touch-action:none;user-select:none}
.fb-pan{perspective:2600px;transform-origin:center center;transition:transform .12s ease-out;will-change:transform}
.flipbook.zoomed .fb-stage{cursor:grab}
.flipbook.zoomed .fb-stage:active{cursor:grabbing}
.fb-zoom{display:inline-flex;align-items:center;gap:2px;padding:2px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2);flex:none}
.fb-zoom .icon-btn{width:32px;height:32px;font-size:1.15rem;font-weight:700;color:var(--text-2)}
.fb-zv{min-width:58px;height:32px;padding:0 6px;border:0;border-radius:999px;background:none;font:700 .84rem var(--sans);color:var(--text-2);cursor:pointer;font-variant-numeric:tabular-nums}
.fb-zv:hover{background:var(--state);color:var(--brand)}
.fb-hint{font-size:.78rem;color:var(--muted)}
@media (max-width:760px){.fb-hint{display:none}.fb-zv{min-width:48px}}

/* ===== Хичээл доторх баримт харагч (PDF, PowerPoint, Word, Excel) — попапгүй, хамгаалалттай ===== */
.rb-doc{margin:14px 0}
.rb-doc figcaption{margin-top:6px;color:var(--muted);font-size:.86rem}
.doc-view{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;
  user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;outline:none}
.doc-view:focus-visible{box-shadow:0 0 0 3px var(--brand-glow)}
.dv-skel,.dv-load{display:grid;place-items:center;min-height:240px;background:var(--surface-2)}
.dv-bar{display:flex;align-items:center;gap:10px;min-height:54px;padding:8px 8px 8px 12px;border-bottom:1px solid var(--line);background:var(--surface)}
.dv-ico{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--brand-soft);color:var(--brand)}
.dv-pdf .dv-ico{background:var(--coral-soft);color:var(--coral)}
.dv-pptx .dv-ico{background:var(--accent-soft);color:var(--accent-ink)}
.dv-sheet .dv-ico{background:var(--teal-soft);color:var(--teal)}
.dv-title{flex:1;min-width:0;display:grid;line-height:1.25}
.dv-title b{font-size:.94rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dv-title small{font-size:.74rem;color:var(--muted)}
.dv-tools{display:flex;align-items:center;gap:8px}
.dv-lock{display:grid;place-items:center;width:30px;height:30px;color:var(--muted)}
.dv-body{position:relative;display:flex;flex-direction:column;min-height:0;background:var(--ink-2)}
.dv-wm{position:absolute;left:0;right:0;top:54px;bottom:0;z-index:4;pointer-events:none;background-repeat:repeat;background-size:360px 210px}
.dv-msg{display:grid;justify-items:center;gap:6px;padding:42px 20px;text-align:center;color:var(--text-2);background:var(--surface-2)}
.dv-msg svg{color:var(--muted)}
.dv-msg span{color:var(--muted);font-size:.9rem;max-width:52ch}
@media print{.doc-view,.rb-doc{display:none!important}}
/* Слайд (PowerPoint, хэвтээ PDF) */
.sl-stage{position:relative;width:100%;margin:0 auto;aspect-ratio:1 / var(--r);background:#fff;overflow:hidden;cursor:pointer;touch-action:pan-y}
.sl-slide{position:absolute;inset:0}
.sl-slide>canvas{display:block;width:100%;height:100%}
.sl-slide>.pp-host{position:absolute;left:0;top:0;transform-origin:0 0;background:#fff}
.pp-host .pptx-preview-wrapper-next,.pp-host .pptx-preview-wrapper-pagination{display:none!important}
.pp-host .pptx-preview-wrapper{background:transparent!important;box-shadow:none!important}
.sl-in{animation:sl-in .32s var(--ease)}
@keyframes sl-in{from{opacity:.25}}
.sl-nav{position:absolute;top:50%;z-index:5;display:grid;place-items:center;width:46px;height:46px;margin-top:-23px;border:0;border-radius:50%;background:rgba(19,27,49,.55);color:#fff;font:400 1.9rem/1 var(--sans);cursor:pointer;opacity:0;transition:opacity .2s,background .2s}
.sl-nav:hover{background:rgba(19,27,49,.8)}
.sl-stage:hover .sl-nav,.dv-full .sl-nav{opacity:1}
.sl-nav:disabled{opacity:0!important;pointer-events:none}
.sl-prev{left:12px}.sl-next{right:12px}
@media (hover:none){.sl-nav{opacity:.8;width:40px;height:40px;margin-top:-20px}}
.sl-prog{height:4px;background:var(--line)}
.sl-prog i{display:block;width:0;height:100%;background:var(--accent);transition:width .3s var(--ease)}
.sl-count{font:700 .84rem var(--sans);color:var(--text-2);font-variant-numeric:tabular-nums;white-space:nowrap}
/* Босоо PDF — хичээл доторх ном */
.dv-book .fb-stage{flex:none;height:clamp(340px,68vh,800px);touch-action:pan-y;background:radial-gradient(ellipse at center,#eef1f8 0%,#dde3f0 85%)}
.dv-book.zoomed .fb-stage{touch-action:none}
.dv-book .fb-nav{gap:12px;padding:10px;border-top:1px solid var(--line)}
.dv-book .fb-nav input[type=range]{width:min(340px,46vw)}
/* Word */
.dx-scroll{max-height:72vh;overflow:auto;background:var(--ink-2)}
.dx-doc .docx-wrapper{background:transparent!important;padding:18px 12px!important}
.dx-doc .docx-wrapper>section.docx{box-shadow:0 2px 12px rgba(19,27,49,.12)!important;margin:0 auto 18px!important}
/* Excel */
.xs-fx{display:flex;align-items:center;gap:8px;padding:6px 10px;border-bottom:1px solid var(--line);background:var(--surface);font:500 .86rem/1.4 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.xs-ref{min-width:58px;padding:2px 8px;border:1px solid var(--line);border-radius:6px;text-align:center;font-weight:700;color:var(--text-2)}
.xs-fn{font-style:italic;font-weight:700;color:var(--teal)}
.xs-f{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}
.xs-grid{max-height:62vh;overflow:auto;background:#fff}
.xs-t{border-collapse:separate;border-spacing:0;table-layout:fixed;font:500 .84rem/1.3 var(--sans);color:var(--text)}
.xs-t th,.xs-t td{height:26px;padding:4px 7px;border-right:1px solid #e4e8f0;border-bottom:1px solid #e4e8f0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.xs-t thead th{position:sticky;top:0;z-index:2;background:#f3f5fa;color:var(--muted);font-weight:700;text-align:center}
.xs-t tbody th{position:sticky;left:0;z-index:1;background:#f3f5fa;color:var(--muted);font-weight:700;text-align:center}
.xs-t thead .xs-corner{left:0;z-index:3}
.xs-t td{cursor:cell}
.xs-t td.n{text-align:right;font-variant-numeric:tabular-nums}
.xs-t td.f{color:var(--brand-2)}
.xs-t td.e{background:var(--accent-soft)}
.xs-t td.xs-sel{outline:2px solid var(--teal);outline-offset:-2px;background:var(--teal-soft)}
.xs-in{width:100%;height:20px;padding:0 2px;border:0;border-radius:0;background:#fff;font:inherit;box-shadow:none!important;user-select:text;-webkit-user-select:text}
.xs-foot{display:flex;align-items:center;gap:10px;padding:0 8px;border-top:1px solid var(--line);background:var(--surface-2)}
.xs-tabs{display:flex;gap:2px;overflow-x:auto}
.xs-tabs button{padding:8px 14px;border:0;border-top:2px solid transparent;background:none;font:700 .82rem var(--sans);color:var(--muted);cursor:pointer;white-space:nowrap}
.xs-tabs button[aria-selected=true]{background:#fff;color:var(--teal);border-top-color:var(--teal)}
.xs-note{margin-left:auto;padding:6px 0;font-size:.74rem;color:var(--muted);text-align:right}
/* Бүтэн дэлгэц (тухайн харагч л — шинэ цонх биш) */
.doc-view.dv-full{width:100vw;height:100vh;max-height:none;border:0;border-radius:0;background:#0f1730}
.doc-view.dv-max{position:fixed;inset:0;z-index:1500}
.dv-full .dv-bar{background:#131c39;border-color:rgba(255,255,255,.08);color:#e8ecf7}
.dv-full .dv-title small,.dv-full .sl-count,.dv-full .dx-pages{color:rgba(232,236,247,.65)}
.dv-full .icon-btn,.dv-full .dv-lock{color:#e8ecf7}
.dv-full .fb-zoom{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.dv-full .fb-zoom .icon-btn,.dv-full .fb-zv{color:#e8ecf7}
.dv-full .dv-body{flex:1;background:#0f1730}
.dv-full .dv-wm{background-blend-mode:normal;opacity:.8}
.dv-full.dv-slides .dv-body{justify-content:center;align-items:center}
.dv-full .sl-stage{width:min(100vw,calc((100vh - 62px) / var(--r)));box-shadow:0 20px 60px rgba(0,0,0,.45)}
.dv-full .sl-prog{position:absolute;left:0;right:0;bottom:0}
.dv-full.dv-book .fb-stage{flex:1;height:auto;background:radial-gradient(ellipse at center,#2a3557 0%,#151d38 85%)}
.dv-full.dv-book .fb-nav{background:#131c39;border-color:rgba(255,255,255,.08);color:#e8ecf7}
.dv-full .dx-scroll{flex:1;max-height:none;background:#1b2440}
.dv-full .xs-grid{flex:1;max-height:none}
@media (max-width:560px){
  .dv-bar{gap:6px;padding:6px 6px 6px 8px}
  .dv-ico{width:30px;height:30px}
  .dv-title small{display:none}
  .dv-tools .btn{padding:6px 10px}
  .xs-note{display:none}
}
.dv-load{gap:10px;align-content:center}
.dv-load .loader{margin:0}
.dv-load small{color:var(--muted);font-size:.82rem}

/* Хумьсан чатын хавтас: анхаарал татах хөдөлгөөн — идэвхгүй үед хааяа "шагайж" гэрэл гүйнэ, улбар шар цагираг
   тархана; уншаагүй мессежтэй үед тогшиж, улбар шараар гэрэлтэн, тоо нь цохилно; шинэ мессежид үсэрнэ. */
@media (min-width:1280px){
  html.has-rail.rail-collapsed .rail-tab{overflow:visible;isolation:isolate;background:var(--brand);
    animation:tab-in .45s cubic-bezier(.2,1.3,.4,1) both,tab-peek 6s ease-in-out 1.5s infinite}
  html.has-rail.rail-collapsed .rail-tab::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;
    background:linear-gradient(180deg,transparent 0%,rgba(255,255,255,.38) 50%,transparent 100%) 0 -140%/100% 220% no-repeat;animation:tab-shine 6s ease-in-out 1.5s infinite}
  html.has-rail.rail-collapsed .rail-tab .rail-tab-ico::after{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid var(--accent);opacity:0;pointer-events:none;
    animation:tab-ping 2.6s cubic-bezier(.2,.7,.3,1) 1s infinite}
  html.has-rail.rail-collapsed .rail-tab .rail-tab-dot{background:var(--accent);border-color:var(--brand);animation:dot-beat 1.6s ease-in-out infinite}
  html.has-rail.rail-collapsed.rail-has-unread .rail-tab{background:linear-gradient(180deg,#2a4aa6,var(--brand));
    animation:tab-in .45s cubic-bezier(.2,1.3,.4,1) both,tab-knock 2.4s ease-in-out .6s infinite,tab-glow 2.4s ease-in-out .6s infinite}
  html.has-rail.rail-collapsed.rail-has-unread .rail-tab::before{animation-duration:2.4s}
  html.has-rail.rail-collapsed.rail-has-unread .rail-tab .rail-tab-ico::after{animation-duration:1.3s}
  html.has-rail.rail-collapsed.rail-has-unread .rail-tab .bell-badge{animation:badge-beat 1.2s ease-in-out infinite}
  html.has-rail.rail-collapsed .rail-tab.nudge{animation:tab-nudge .8s cubic-bezier(.3,1.6,.4,1)}
  html.has-rail.rail-collapsed .rail-tab:hover,html.has-rail.rail-collapsed .rail-tab:hover::before{animation-play-state:paused}
}
@keyframes tab-peek{0%,80%,100%{transform:translateY(-50%)}86%{transform:translateY(-50%) translateX(-8px)}92%{transform:translateY(-50%) translateX(-2px)}96%{transform:translateY(-50%) translateX(-5px)}}
@keyframes tab-shine{0%,62%{background-position:0 -140%}100%{background-position:0 240%}}
@keyframes tab-ping{0%{transform:scale(1);opacity:.95}75%,100%{transform:scale(2.2);opacity:0}}
@keyframes dot-beat{0%,100%{transform:scale(1)}50%{transform:scale(1.4)}}
@keyframes tab-glow{0%,100%{box-shadow:0 10px 26px -8px rgba(31,60,143,.55),0 0 0 0 rgba(234,160,46,0)}50%{box-shadow:0 10px 26px -8px rgba(31,60,143,.55),0 0 0 9px rgba(234,160,46,.3)}}
@keyframes badge-beat{0%,100%{transform:scale(1)}50%{transform:scale(1.22)}}
@media (prefers-reduced-motion:reduce){
  html.has-rail.rail-collapsed .rail-tab,html.has-rail.rail-collapsed .rail-tab::before,html.has-rail.rail-collapsed .rail-tab .rail-tab-ico::after,
  html.has-rail.rail-collapsed .rail-tab .rail-tab-dot,html.has-rail.rail-collapsed.rail-has-unread .rail-tab .bell-badge{animation:none!important}
}
html.dv-locked,html.dv-locked body{overflow:hidden}
/* Хэвтээ PDF (слайд) — нэг хуудсаар эргэдэг ном: өндрийг өргөнтэй нь тааруулна */
.dv-book.dv-wide .fb-stage{height:auto;aspect-ratio:16 / 10;max-height:72vh}
.dv-full.dv-book.dv-wide .fb-stage{aspect-ratio:auto;max-height:none}
/* PowerPoint тоглуулах: слайд гулсаж орж ирнэ, дээрх хэсгүүд нэг нэгээрээ нисэж гарна */
.sl-slide.fly-r{animation:sl-from-r .5s cubic-bezier(.2,.8,.2,1)}
.sl-slide.fly-l{animation:sl-from-l .5s cubic-bezier(.2,.8,.2,1)}
@keyframes sl-from-r{from{translate:56px 0;opacity:.15}}
@keyframes sl-from-l{from{translate:-56px 0;opacity:.15}}
.pp-host .fly-in{animation:fly-in .7s cubic-bezier(.16,.9,.25,1.12) backwards}
@keyframes fly-in{from{opacity:0;translate:0 60px;scale:.96}}
@media (prefers-reduced-motion:reduce){.sl-slide.fly-r,.sl-slide.fly-l,.pp-host .fly-in{animation:none}}
/* Задарсан хичээл дотор баримт харагч дэлгэцээс хальж томрохгүй (утсан дээр ч) */
.lesson-more{grid-template-columns:minmax(0,1fr);min-width:0}
.lesson-more>*,.modal.inline,.modal.inline .modal-card,#lessonContent,.rb,.rb>*,.rb-doc,.doc-view{min-width:0;max-width:100%}
.rb{grid-template-columns:minmax(0,1fr)}
.dv-tools{min-width:0}
@media (max-width:560px){
  .lesson-more{grid-column:1 / -1}
  .dv-tools .fb-zoom,.dv-tools .dx-pages{display:none}
  .dv-tools .btn{padding:6px 10px;font-size:.82rem}
}
@media (max-width:560px){
  .lesson.open{padding-left:10px;padding-right:10px}
  .lesson-more{padding:10px 0 4px}
  .modal.inline .modal-card{padding:12px 2px 10px}
  .lg-list{padding:4px 4px 8px}
}
.fb-count{white-space:nowrap;font-variant-numeric:tabular-nums}

/* Хичээлийг суралцагчдад нээх / хаах (бэлтгэж дуусаагүй) — хөтөлбөр, нийтлэл дээр */
.ol-vis{position:relative;flex:none;display:inline-flex;align-items:center;gap:8px;margin-right:4px;cursor:pointer;font-size:.8rem;font-weight:700;color:var(--brand);user-select:none}
.ol-vis input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.ol-vis .switch{width:38px;height:22px}
.ol-vis .switch::after{top:3px;left:3px;width:16px;height:16px}
.ol-vis input:checked+.switch{background:var(--brand)}
.ol-vis input:checked+.switch::after{transform:translateX(16px)}
.ol-vis input:focus-visible+.switch{outline:3px solid var(--brand-glow);outline-offset:2px}
.ol-vis input:disabled+.switch{opacity:.6}
.ol-vis.off{color:var(--muted)}
.ol-vis em{min-width:64px;font-style:normal}
.ol-row.is-hidden{background:repeating-linear-gradient(135deg,var(--surface) 0 10px,var(--surface-2) 10px 20px)}
.ol-row.is-hidden .ol-title,.ol-row.is-hidden .ol-num{opacity:.55}
.ol-hidden-n{color:var(--accent-ink);font-weight:700}
.post.is-hidden{border-style:dashed;border-color:var(--line-2)}
.post-hidden{display:inline-flex;align-items:center;gap:6px;margin:0 0 8px;padding:5px 10px;border-radius:999px;background:var(--ink-2);color:var(--text-2);font-weight:700;font-size:.8rem}
.pe-hidden{font-size:.86rem;font-weight:600;color:var(--text-2);white-space:nowrap}
@media (max-width:560px){.ol-vis em{display:none}}

/* Шалгалт: асуултын дугаарын мөр (хариулаагүй — улбар шар, хариулсан — хар хөх), илгээх товч голдоо */
.exam-nav{display:flex;align-items:center;gap:6px;padding:8px 18px;overflow-x:auto;background:var(--surface);border-bottom:1px solid var(--line);scrollbar-width:thin}
.exam-nav button{flex:none;min-width:36px;height:34px;padding:0 8px;border:1.5px solid var(--accent);border-radius:10px;background:var(--accent-soft);color:var(--accent-ink);font:700 .86rem var(--sans);font-variant-numeric:tabular-nums;cursor:pointer;transition:background .15s,border-color .15s,color .15s,box-shadow .15s}
.exam-nav button:hover{border-color:var(--brand)}
.exam-nav button.done{background:var(--brand);border-color:var(--brand);color:#fff}
.exam-nav button.cur{box-shadow:0 0 0 3px var(--brand-glow);transform:translateY(-1px)}
.exam-nav button.ok{background:var(--teal);border-color:var(--teal);color:#fff}
.exam-nav button.bad{background:var(--coral);border-color:var(--coral);color:#fff}
.exam-nav-legend{display:flex;align-items:center;gap:6px;margin-left:auto;padding-left:14px;font-size:.76rem;color:var(--muted);white-space:nowrap}
.exam-nav-legend i{display:inline-block;width:12px;height:12px;margin-left:6px;border-radius:4px}
.exam-nav-legend .lg-todo{background:var(--accent-soft);border:1.5px solid var(--accent)}
.exam-nav-legend .lg-done{background:var(--brand)}
.exam-q{scroll-margin-top:16px}
.exam-q.q-flash{animation:q-flash 1.3s ease}
@keyframes q-flash{0%,100%{box-shadow:0 0 0 0 rgba(234,160,46,0)}25%{box-shadow:0 0 0 6px rgba(234,160,46,.45)}}
.exam-submit{display:flex;justify-content:center;max-width:820px;margin:8px auto 16px}
.exam-submit .btn{min-width:min(360px,100%)}
@media (max-width:560px){.exam-nav{padding:8px 12px}.exam-nav-legend{display:none}.exam-submit .btn{width:100%}}
@media (prefers-reduced-motion:reduce){.exam-q.q-flash{animation:none}}

/* Сургалтын журнал: суралцагч × хичээл (сургуулийн журнал шиг) */
.gp-body.gp-wide{grid-template-columns:minmax(0,1fr)}
.gp-body.gp-wide .gp-side{display:none}
.jr{display:grid;gap:12px;min-width:0}
.jr-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.jr-head>div{flex:1;min-width:200px;display:grid;gap:2px}
.jr-head h2{margin:0;font-size:1.2rem}
.jr-search{width:min(240px,100%);margin:0}
.jr-legend{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:.78rem;color:var(--muted)}
.jr-legend .jr-c{display:inline-grid;place-items:center;min-width:34px;height:22px;padding:0 6px;margin-left:8px;border-radius:6px;cursor:default}
.jr-legend .jr-c:first-child{margin-left:0}
.jr-wrap{max-height:72vh;overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.jr-t{min-width:100%;border-collapse:separate;border-spacing:0;font:500 .84rem/1.25 var(--sans);color:var(--text)}
.jr-t th,.jr-t td{height:38px;padding:4px 6px;border-right:1px solid #e9edf4;border-bottom:1px solid #e9edf4;text-align:center;white-space:nowrap}
.jr-t thead th{position:sticky;top:0;z-index:2;height:32px;background:#f3f5fa;color:var(--muted);font-size:.74rem;font-weight:700}
.jr-t thead tr+tr th{top:32px}
.jr-t thead .jr-secs th{color:var(--brand);font-size:.72rem;max-width:160px;overflow:hidden;text-overflow:ellipsis}
.jr-t .jr-name{position:sticky;left:0;z-index:1;min-width:190px;max-width:240px;background:#fff;text-align:left;cursor:pointer;box-shadow:1px 0 0 #e3e7ef}
.jr-t thead .jr-name,.jr-t tfoot .jr-name{z-index:3;background:#f3f5fa;cursor:default}
.jr-name .jr-who{display:block;overflow:hidden;text-overflow:ellipsis;font-weight:700}
.jr-name small{display:block;color:var(--muted);font-size:.72rem;font-weight:500}
.jr-t tbody .jr-name:hover .jr-who{color:var(--brand);text-decoration:underline}
.jr-l{min-width:46px}
.jr-l i{margin-left:2px;font-size:.7rem;font-style:normal}
.jr-l.is-hidden{opacity:.45}
.jr-c{min-width:46px;font-weight:700;font-variant-numeric:tabular-nums;cursor:pointer}
.jr-t td.jr-c:hover{box-shadow:inset 0 0 0 2px var(--brand-tint)}
.jr-c.ok{background:var(--teal-soft);color:var(--teal)}
.jr-c.part{background:var(--accent-soft);color:var(--accent-ink)}
.jr-c.bad,.jr-c.disq{background:var(--coral-soft);color:var(--coral)}
.jr-c.wait{background:var(--brand-soft);color:var(--brand)}
.jr-sum{font-weight:700;font-variant-numeric:tabular-nums}
.jr-t td.jr-rank{text-align:left;font-weight:700;color:var(--brand)}
.jr-t tfoot th,.jr-t tfoot td{position:sticky;bottom:0;background:#f8f9fc;color:var(--muted);font-size:.74rem;font-weight:700}
.jr-dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 16px;margin:12px 0 0}
.jr-dl dt{color:var(--muted);font-size:.84rem;font-weight:600}
.jr-dl dd{margin:0;font-weight:600}
@media (max-width:560px){.jr-t .jr-name{min-width:130px;max-width:150px}}
/* Шалгалтыг багш гараар дахин нээх (+1 оролдлого) */
.jr-reopen{flex-direction:column;align-items:flex-start;gap:6px}
.jr-reopen .btn.done,.an-reopen.done{background:var(--teal);border-color:var(--teal);color:#fff;opacity:1;box-shadow:none;cursor:default}
.an-reopen{white-space:nowrap}
.pf.manage .gp-body.gp-wide,.gp-body.gp-wide{grid-template-columns:minmax(0,1fr)}
.gp-body.gp-wide .composer-box{max-width:760px}

/* ===== Төлбөрийн цонх: «Та төлбөрөө төлнө үү» + QR ===== */
.pay-win .pw-card{width:min(580px,100%);text-align:center;padding:24px 26px 18px}
.pay-win .eyebrow{color:var(--accent-ink)}
.pay-win .h3{margin:4px 0 2px}
.pw-what{margin:0 0 14px;color:var(--text-2);font-weight:600;line-height:1.45;overflow-wrap:anywhere}
.pw-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 16px;text-align:left}
.pw-opt{display:grid;gap:1px;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;font:inherit;color:var(--text);transition:border-color .15s,background .15s}
.pw-opt:hover{border-color:var(--line-2)}
.pw-opt b{font-size:.84rem;font-weight:700}
.pw-opt span{font-size:1.02rem;font-weight:800;color:var(--brand)}
.pw-opt small{font-size:.74rem;color:var(--muted)}
.pw-opt.on{border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand)}
.pw-stage{min-height:120px}
.pw-qr{margin:0;display:grid;justify-items:center;gap:8px}
.pw-qr-frame{position:relative;display:block;padding:12px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.pw-qr-frame::before,.pw-qr-frame::after{content:"";position:absolute;width:26px;height:26px;border:3px solid var(--brand);pointer-events:none}
.pw-qr-frame::before{top:-2px;left:-2px;border-right:0;border-bottom:0;border-radius:16px 0 0 0}
.pw-qr-frame::after{bottom:-2px;right:-2px;border-left:0;border-top:0;border-radius:0 0 16px 0;border-color:var(--accent)}
.pw-qr img{display:block;width:200px;height:200px;image-rendering:pixelated}
.pw-body{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:center;text-align:left;margin-bottom:12px}
.pw-side{display:grid;gap:10px;align-content:center}
.pw-side .pw-amount{margin:0}
.pw-side .pw-steps{margin:0;max-width:none}
.pw-side .pw-status{justify-content:flex-start;margin:0}
.pw-recheck{border:0;background:none;padding:0;font:inherit;font-weight:700;color:var(--brand);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.pw-qr figcaption{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.pw-amount{margin:12px 0 6px;font-size:1.9rem;font-weight:800;letter-spacing:-.02em;color:var(--brand)}
.pw-steps{margin:0 auto 12px;padding:0;list-style:none;counter-reset:pw;display:grid;gap:6px;text-align:left;max-width:330px}
.pw-steps li{counter-increment:pw;display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start;font-size:.86rem;color:var(--text-2);line-height:1.4}
.pw-steps li::before{content:counter(pw);display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:.74rem;font-weight:800}
.pw-banks{margin:0 0 10px;text-align:left}
.pw-banks-t{width:100%;padding:9px 12px;border:1px dashed var(--line-2);border-radius:10px;background:var(--surface-2);font:inherit;font-size:.84rem;font-weight:600;color:var(--brand);cursor:pointer}
.pw-bank-list{display:none;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:6px;margin-top:8px;max-height:216px;overflow:auto}
.pw-banks.open .pw-bank-list{display:grid}
.pw-bank{display:flex;align-items:center;gap:8px;padding:7px 9px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-size:.8rem;font-weight:600;text-decoration:none}
.pw-bank:hover{border-color:var(--brand);background:var(--brand-soft)}
.pw-bank img{width:24px;height:24px;border-radius:6px;object-fit:contain;flex:none}
.pw-here{margin:0 0 10px}
.pw-status{display:flex;align-items:center;justify-content:center;gap:8px;margin:6px 0 0;font-size:.84rem;color:var(--muted)}
.pw-status i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(234,160,46,.5);animation:pw-wait 1.6s ease-out infinite}
.pw-status.checking i{background:var(--brand)}
.pw-status .link{font-size:.84rem}
@keyframes pw-wait{0%{box-shadow:0 0 0 0 rgba(234,160,46,.55)}100%{box-shadow:0 0 0 10px rgba(234,160,46,0)}}
.pw-dev{margin-top:14px}
.pw-foot{margin:14px 0 0;font-size:.76rem;color:var(--muted)}
.pw-load{display:grid;place-items:center;min-height:240px}
.pw-empty{display:grid;gap:6px;padding:22px 16px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);line-height:1.45}
.pw-empty small{color:var(--muted)}
.pw-done{display:grid;justify-items:center;gap:6px;padding:26px 0 12px}
.pw-done b{font-size:1.25rem}
.pw-done small{color:var(--muted)}
.pw-check{display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:var(--teal);color:#fff;font-size:2.3rem;font-weight:800;animation:pw-pop .5s cubic-bezier(.2,1.4,.4,1) both}
@keyframes pw-pop{from{transform:scale(.3);opacity:0}to{transform:none;opacity:1}}
@media (max-width:600px){.pw-body{grid-template-columns:1fr;justify-items:center;text-align:center;gap:12px}.pw-side{justify-items:center}.pw-side .pw-steps{text-align:left}.pw-side .pw-status{justify-content:center}}
@media (max-width:480px){.pay-win .pw-card{padding:22px 16px 16px}.pw-opts{grid-template-columns:1fr}.pw-qr img{width:190px;height:190px}}
@media (prefers-reduced-motion:reduce){.pw-status i,.pw-check{animation:none}}

/* Демо төлбөрийн хуудас (утсаар QR уншуулахад) */
.pp-body{min-height:100vh;margin:0;display:grid;place-items:center;background:var(--ink);padding:16px}
.pp{width:100%;max-width:420px}
.pp-card{display:grid;justify-items:center;gap:8px;padding:28px 22px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);text-align:center}
.pp-card .wordmark{font-size:1.5rem;font-weight:800;color:var(--brand)}
.pp-card .wordmark b{color:var(--accent)}
.pp-demo{padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);font-size:.74rem;font-weight:700}
.pp-what{margin:8px 0 0;font-weight:700;color:var(--text-2);overflow-wrap:anywhere}
.pp-amount{margin:0 0 8px;font-size:2.2rem;font-weight:800;color:var(--brand)}
#ppState{width:100%}
.pp-note{margin:10px 0 0;font-size:.8rem;color:var(--muted)}
.pp-ok{margin:6px 0 0;padding:14px;border-radius:14px;background:var(--teal-soft);color:var(--teal);font-weight:700;line-height:1.5}
.pp-ok b{font-size:1.3rem}

/* ===== Таб солих сануулга: анхаарал татахуйц (улаан туяа, сэгсрэлт, дохио) ===== */
.watch-alert.wa-danger,.watch-alert.wa-stop{background:rgba(19,27,49,.62);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.watch-alert.wa-danger::before,.watch-alert.wa-stop::before{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 0 rgba(201,58,49,0),inset 0 0 160px 40px rgba(201,58,49,.55);animation:wa-vignette 1.1s ease-in-out 3}
.watch-alert.wa-danger::after{content:"";position:absolute;inset:0;pointer-events:none;background:rgba(201,58,49,.35);animation:wa-flash .5s ease-out both}
.wa-danger .watch-card,.wa-stop .watch-card{position:relative;overflow:hidden;width:min(440px,100%);padding:30px 26px 22px;gap:8px;border-top:6px solid var(--coral);box-shadow:0 30px 80px -10px rgba(201,58,49,.55),0 0 0 1px rgba(201,58,49,.25);animation:wa-shake .62s cubic-bezier(.36,.07,.19,.97) both}
.wa-danger .watch-card h3,.wa-stop .watch-card h3{font-size:1.5rem;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.wa-ico{position:relative;justify-self:center;display:grid;place-items:center;width:82px;height:82px;margin-bottom:6px;border-radius:50%;background:var(--coral);color:#fff;font-size:2.6rem;font-weight:900;font-style:normal;box-shadow:0 10px 30px -6px rgba(201,58,49,.7)}
.wa-ico i{font-style:normal;line-height:1;animation:wa-bump 1.1s ease-in-out 3}
.wa-ico::before,.wa-ico::after{content:"";position:absolute;inset:0;border-radius:50%;border:3px solid var(--coral);animation:wa-ring 1.4s ease-out infinite}
.wa-ico::after{animation-delay:.7s}
.wa-stop .wa-ico{background:#7f1d1d;font-size:2.2rem}
.wa-stop .wa-ico::before,.wa-stop .wa-ico::after{border-color:#7f1d1d;animation-iteration-count:2}
.wa-eyebrow{justify-self:center;padding:4px 12px;border-radius:999px;background:var(--coral-soft);color:var(--coral);font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.wa-meter{display:flex;justify-content:center;gap:8px;margin:6px 0 2px}
.wa-meter i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:2px dashed var(--line-2);color:var(--muted);font-style:normal;font-size:.86rem;font-weight:800}
.wa-meter i.used{border:2px solid var(--coral);background:var(--coral);color:#fff;animation:wa-pop .45s cubic-bezier(.2,1.5,.4,1) both}
.wa-meter i.last:not(.used){border-style:solid;border-color:rgba(201,58,49,.45);background:var(--coral-soft)}
.wa-left{font-weight:700;color:var(--text)!important}
.wa-left b{color:var(--coral)}
.wa-away{font-size:.82rem;color:var(--muted)!important}
.wa-btn{margin-top:8px;background:var(--coral);color:#fff;border:0;font-weight:800;box-shadow:0 10px 24px -10px rgba(201,58,49,.8)}
.wa-btn:hover{background:#b3322a}
.wa-stop .wa-btn{background:var(--text)}
@keyframes wa-shake{0%{transform:scale(.7);opacity:0}25%{transform:scale(1.04);opacity:1}35%{transform:translateX(-14px)}45%{transform:translateX(12px)}55%{transform:translateX(-9px)}65%{transform:translateX(6px)}75%{transform:translateX(-3px)}100%{transform:none}}
@keyframes wa-ring{from{transform:scale(1);opacity:.7}to{transform:scale(1.9);opacity:0}}
@keyframes wa-bump{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}
@keyframes wa-vignette{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes wa-flash{from{opacity:1}to{opacity:0}}
@keyframes wa-pop{from{transform:scale(.4)}to{transform:none}}

/* Курсор хичээлийн цонхноос гарсан: тусдаа шар сануулга (хичээл зогсохгүй) */
.cursor-alert{position:fixed;top:78px;left:50%;z-index:1900;display:flex;align-items:center;gap:12px;max-width:min(460px,calc(100vw - 32px));padding:12px 18px 12px 12px;border-radius:16px;background:#fff;border:2px solid var(--accent);box-shadow:0 18px 44px -12px rgba(156,90,0,.45);transform:translateX(-50%);animation:ca-in .45s cubic-bezier(.2,1.3,.4,1) both;pointer-events:none}
.cursor-alert.out{animation:ca-out .22s ease-in both}
.ca-ico{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:12px;background:var(--accent);color:var(--text)}
.ca-ico svg{animation:ca-wiggle 1s ease-in-out infinite}
.ca-txt{display:grid;gap:2px}
.ca-txt b{font-size:.95rem;color:var(--text)}
.ca-txt small{font-size:.8rem;color:var(--accent-ink)}
.modal-card.cursor-out{outline:3px solid var(--accent);outline-offset:3px;animation:ca-glow 1.2s ease-in-out infinite}
@keyframes ca-in{from{transform:translate(-50%,-24px);opacity:0}to{transform:translateX(-50%);opacity:1}}
@keyframes ca-out{to{transform:translate(-50%,-14px);opacity:0}}
@keyframes ca-wiggle{0%,100%{transform:translate(0,0)}30%{transform:translate(-4px,-3px)}60%{transform:translate(3px,2px)}}
@keyframes ca-glow{0%,100%{outline-color:rgba(234,160,46,.95)}50%{outline-color:rgba(234,160,46,.3)}}

/* Унших туслах: курсор байгаа мөрийг тодруулна */
.has-read-line{position:relative;isolation:isolate}
.read-line{position:absolute;z-index:-1;border-radius:7px;background:rgba(234,160,46,.17);box-shadow:inset 3px 0 0 var(--accent);pointer-events:none;opacity:0;transition:top .1s ease-out,height .1s ease-out,left .1s,width .1s,opacity .15s}
.read-line.on{opacity:1}

@media (prefers-reduced-motion:reduce){
  .watch-alert.wa-danger::before,.watch-alert.wa-stop::before,.watch-alert.wa-danger::after,.wa-danger .watch-card,.wa-stop .watch-card,.wa-ico i,.wa-ico::before,.wa-ico::after,.wa-meter i.used,.cursor-alert,.ca-ico svg,.modal-card.cursor-out{animation:none}
  .read-line{transition:opacity .15s}
}

/* ===== Миний суралцсан байдал: сургалт бүрээр, дарахад дэлгэрнэ ===== */
.st-courses-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-top:4px}
.st-courses-head b{font-size:.95rem}
.st-all{margin-left:auto;font-size:.84rem;font-weight:700;color:var(--brand);background:none;border:0;padding:0;cursor:pointer}
.st-courses{display:grid;gap:10px}
.st-course{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;transition:border-color .15s,box-shadow .15s}
.st-course:hover{border-color:var(--line-2)}
.st-course.open{border-color:var(--brand-tint);box-shadow:var(--shadow)}
.st-ch{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto auto;align-items:center;gap:16px;width:100%;padding:14px 16px;border:0;background:none;font:inherit;color:inherit;text-align:left;cursor:pointer}
.st-ch:hover{background:var(--surface-2)}
.st-ch:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.st-ch-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--dots),var(--navy);color:var(--accent);font-size:1.3rem;font-weight:800;box-shadow:inset 0 -3px 0 var(--accent)}
.st-ch-main{display:grid;gap:3px;min-width:0}
.st-ch-main strong{font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-ch-main small{color:var(--muted);font-size:.8rem}
.st-ch-main .st-bar{max-width:320px;margin-top:4px}
.st-ch-stats{display:flex;gap:18px}
.st-ch-stats>span{display:grid;justify-items:center;width:78px}
.st-ch-stats b{font-size:1rem;color:var(--text)}
.st-ch-stats small{font-size:.7rem;color:var(--muted);white-space:nowrap}
.st-ch-stats .bad b{color:var(--coral)}
.st-ch-rank{display:grid;justify-items:center;width:104px;padding:6px 8px;border-radius:12px;background:var(--brand-soft);text-align:center}
.st-ch-rank b{font-size:1.05rem;color:var(--brand)}
.st-ch-rank small{font-size:.7rem;color:var(--brand);font-weight:600;line-height:1.2}
.st-ch-chev{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--surface-2);color:var(--muted);transition:transform .2s,background .2s,color .2s}
.st-course.open .st-ch-chev{transform:rotate(180deg);background:var(--brand);color:#fff}
.st-cbody{padding:0 16px 14px;animation:st-open .2s ease-out}
.st-cbody .st-table-wrap{border-radius:12px}
.st-go{display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:.86rem;font-weight:700;color:var(--brand);text-decoration:none}
.st-go:hover{text-decoration:underline}
@keyframes st-open{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media (max-width:860px){
  .st-ch{grid-template-columns:auto minmax(0,1fr) auto auto;gap:12px}
  .st-ch-stats{grid-column:1/-1;grid-row:2;justify-content:space-between;gap:8px;padding-top:10px;border-top:1px dashed var(--line)}
  .st-ch-stats>span{width:auto}
}
@media (max-width:520px){.st-ch{padding:12px}.st-ch-main strong{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.st-ch-rank{width:auto;padding:5px 8px}.st-ch-ico{width:38px;height:38px}.st-cbody{padding:0 10px 12px}}
@media (prefers-reduced-motion:reduce){.st-cbody{animation:none}.st-ch-chev{transition:none}}

/* ===== Хичээл үзэх горим (олон улсын цахим сургалтын загвар) =====
   Компьютер (≥1100px): өргөн агуулга + баруун талд хөтөлбөр (хумьж болно).
   Таблет, утас: агуулга бүтэн өргөнөөр, хөтөлбөр «Хичээлүүд» товчоор гулсаж гарна. */
.course-page.lp-on>:not(#lessonStage){display:none!important}
.course-page.lp-on~.footer{display:none}
.lp{--nav-h:64px;--lp-top-h:60px;padding-top:var(--nav-h);min-height:100svh;background:var(--ink)}
.lp[hidden]{display:none}
.lp-top{position:sticky;top:var(--nav-h);z-index:30;display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:14px;padding:10px clamp(12px,2.4vw,28px);background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(19,27,49,.02),0 8px 20px -18px rgba(19,27,49,.35)}
.lp-back,.lp-toc-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 14px 0 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font:inherit;font-size:.88rem;font-weight:700;color:var(--brand);cursor:pointer;transition:background .15s,border-color .15s}
.lp-toc-btn{padding:0 14px 0 12px;color:var(--text)}
.lp-back:hover,.lp-toc-btn:hover{background:var(--surface-2);border-color:var(--line-2)}
.lp-toc-btn[aria-expanded="true"]{background:var(--brand-soft);border-color:var(--brand-tint);color:var(--brand)}
.lp-back:focus-visible,.lp-toc-btn:focus-visible,.lp-li:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.lp-crumb{display:grid;min-width:0;line-height:1.25}
.lp-crumb small{font-size:.74rem;font-weight:600;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lp-crumb b{font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lp-prog{display:grid;gap:5px;width:170px}
.lp-prog[hidden]{display:none}
.lp-prog .meter{height:6px}
.lp-prog .meter i{background:var(--teal)}
.lp-prog small{font-size:.74rem;font-weight:700;color:var(--muted)}
.lp-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:start}
.lp.toc-hidden .lp-grid{grid-template-columns:minmax(0,1fr)}
.lp.toc-hidden .lp-toc{display:none}
.lp-main{min-width:0;padding:clamp(16px,2.4vw,32px) clamp(12px,3vw,44px) 56px}
.lp .modal.inline .modal-card{max-width:1200px;margin:0 auto;padding:clamp(18px,2.6vw,36px);border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}
.lp .modal.inline .modal-x{display:none}
.lp #player{border-radius:16px;overflow:hidden}
.lp #lessonTitle{max-width:880px;margin:18px auto 8px;font-size:clamp(1.35rem,2.3vw,1.9rem);line-height:1.25;letter-spacing:-.01em}
.lp .lm-facts{max-width:880px;margin:0 auto 18px}
.lp .lm-facts:empty{display:none}
.lp .lesson-content{font-size:1.04rem;line-height:1.75}
.lp .lesson-content>*,.lp .lesson-content.pre,.lp .discuss,.lp .lesson-nav,.lp .lesson-done,.lp .watch-badge{max-width:880px;margin-left:auto;margin-right:auto}
.lp .lesson-content>.rb-video,.lp .lesson-content>.rb-doc,.lp .lesson-content>.rb-fig,.lp .lesson-content>.rb-embed,.lp .lesson-content>.book3d{max-width:none}
.lp .watch-badge{display:flex;flex-wrap:wrap;max-width:min(880px,100%)}
/* Хөтөлбөрийн самбар */
.lp-toc{position:sticky;top:calc(var(--nav-h) + var(--lp-top-h));height:calc(100svh - var(--nav-h) - var(--lp-top-h));display:flex;flex-direction:column;background:var(--surface);border-left:1px solid var(--line)}
.lp-toc-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.lp-toc-head b{font-size:.95rem}
.lp-toc-head small{font-size:.76rem;font-weight:700;color:var(--teal)}
.lp-toc-x{display:none;margin-left:auto}
.lp-toc-body{position:relative;flex:1;overflow:auto;overscroll-behavior:contain;padding-bottom:calc(20px + env(safe-area-inset-bottom))}
.lp-toc ol{list-style:none;margin:0;padding:4px 0}
.lp-sec{border-bottom:1px solid var(--line)}
.lp-sec summary{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;background:var(--surface-2);font-size:.84rem;font-weight:800;color:var(--text);cursor:pointer;list-style:none}
.lp-sec summary::-webkit-details-marker{display:none}
.lp-sec summary::after{content:"";width:8px;height:8px;margin-left:4px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translateY(-2px);transition:transform .2s;flex:none}
.lp-sec:not([open]) summary::after{transform:rotate(-45deg)}
.lp-sec summary span{flex:1;min-width:0}
.lp-sec summary small{font-size:.74rem;font-weight:700;color:var(--muted)}
.lp-li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;align-items:start;width:100%;min-height:48px;padding:11px 16px 11px 13px;border:0;border-left:3px solid transparent;background:none;font:inherit;text-align:left;color:var(--text);cursor:pointer;transition:background .12s}
.lp-li:hover{background:var(--surface-2)}
.lp-li.cur{background:var(--brand-soft);border-left-color:var(--brand)}
.lp-ic{display:grid;place-items:center;width:22px;height:22px;margin-top:1px;border-radius:50%;border:1.5px solid var(--line-2);font-size:.7rem;font-weight:800;color:var(--muted)}
.lp-li.done .lp-ic{background:var(--teal);border-color:var(--teal);color:#fff}
.lp-li.cur .lp-ic{background:var(--brand);border-color:var(--brand);color:#fff;font-size:.6rem}
.lp-li.locked .lp-ic,.lp-li.drip .lp-ic,.lp-li.blocked .lp-ic{border:0;font-size:.86rem}
.lp-lt{font-size:.88rem;line-height:1.38;overflow-wrap:anywhere}
.lp-lt b{margin-right:6px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.lp-li.cur .lp-lt{font-weight:700}
.lp-lt small{display:block;margin-top:3px;font-size:.74rem;color:var(--muted)}
.lp-li.locked .lp-lt small{color:var(--accent-ink);font-weight:700}
.lp-li.blocked .lp-lt small{color:var(--coral);font-weight:700}
.lp-li.drip .lp-lt,.lp-li.locked .lp-lt{color:var(--text-2)}
.lp-scrim{display:none}
.lesson.lp-was{animation:lp-was 1.8s ease-out}
@keyframes lp-was{0%,40%{box-shadow:0 0 0 3px var(--brand-tint)}100%{box-shadow:0 0 0 0 transparent}}
/* Үзэх горимд баруун ирмэгийн чатын хавтас хөтөлбөрийг халхлахгүй — чат дээд цэсний дүрсээр нээгдэнэ */
html.lp-focus .rail-tab{display:none!important}
/* Таблет ба утас: хөтөлбөр гулсдаг самбар */
@media (max-width:1099px){
  .lp-grid,.lp.toc-hidden .lp-grid{grid-template-columns:minmax(0,1fr)}
  .lp-toc,.lp.toc-hidden .lp-toc{position:fixed;top:0;right:0;bottom:0;z-index:960;display:flex;width:min(380px,88vw);height:auto;border-left:0;box-shadow:var(--shadow-lg);transform:translateX(104%);transition:transform .26s cubic-bezier(.2,.8,.2,1);visibility:hidden}
  .lp.toc-open .lp-toc{transform:none;visibility:visible}
  .lp-toc-head{padding-top:calc(14px + env(safe-area-inset-top))}
  .lp-toc-x{display:inline-grid}
  .lp-scrim{display:block;position:fixed;inset:0;z-index:959;background:rgba(19,27,49,.45);opacity:0;pointer-events:none;transition:opacity .2s}
  .lp.toc-open .lp-scrim{opacity:1;pointer-events:auto}
  .lp-prog{width:130px}
  .lp-main{padding:16px clamp(10px,2.4vw,24px) 40px}
}
@media (max-width:700px){
  .lp-top{grid-template-columns:auto minmax(0,1fr) auto;gap:10px;padding:8px 10px}
  .lp-back,.lp-toc-btn{width:42px;height:42px;padding:0}
  .lp-back span,.lp-toc-btn span{display:none}
  .lp-crumb b{font-size:.94rem}
  .lp-prog{grid-column:1/-1;grid-row:2;width:auto;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px}
  .lp-main{padding:10px 6px 32px}
  .lp .modal.inline .modal-card{padding:14px 12px 18px;border-radius:14px}
  .lp #player{border-radius:12px}
  .lp #lessonTitle{margin-top:12px}
  .lp .lesson-content{font-size:1rem;line-height:1.7}
}
@media (prefers-reduced-motion:reduce){.lp-toc{transition:none}.lesson.lp-was{animation:none}}

/* ===== «Профайл засах» — мэдээлэл, профайлын холбоос, зөвлөмж нэг цонхонд ===== */
.edit-modal{width:min(720px,100%)}
.em-head{display:flex;align-items:center;gap:14px;margin:0 36px 14px 0}
.em-head .h3{margin:0}
.em-head p{margin:2px 0 0}
.em-ring:empty{display:none}
.em-ring .ring{width:54px;height:54px}
.em-tabs{display:flex;gap:4px;padding:4px;margin:0 0 16px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);overflow-x:auto}
.em-tab{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:0 12px;border:0;border-radius:9px;background:none;font:inherit;font-size:.88rem;font-weight:700;color:var(--muted);white-space:nowrap;cursor:pointer}
.em-tab:hover{color:var(--text)}
.em-tab.on{background:var(--surface);color:var(--brand);box-shadow:var(--shadow-sm)}
.em-tab i{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--accent);color:var(--text);font-style:normal;font-size:.72rem;font-weight:800}
.em-photos{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.em-photos .btn svg{width:16px;height:16px}
#bioCount.ok{color:var(--teal)}
.em-lbl{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}
.em-lbl small{font-weight:600;font-size:.76rem}
#subjPreview{margin-top:-6px}
#subjPreview:empty{display:none}
.em-links{margin:0}
.em-actions{margin:4px 0 0!important;justify-content:flex-end}
.em-pane .link-form{margin-top:12px}
.em-tips{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.em-tip{display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:12px;align-items:center;width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font:inherit;text-align:left;color:var(--text);cursor:pointer;transition:border-color .15s,background .15s}
.em-tip:hover:not([disabled]){border-color:var(--brand-tint);background:var(--brand-soft)}
.em-tip i{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:2px dashed var(--line-2);color:transparent;font-style:normal;font-weight:800;font-size:.8rem}
.em-tip.done{cursor:default;opacity:.7}
.em-tip.done i{border:0;background:var(--teal);color:#fff}
.em-tip strong{display:block;font-size:.92rem}
.em-tip small{display:block;margin-top:2px;font-size:.8rem;color:var(--muted);line-height:1.4}
.em-tip em{display:inline-flex;align-items:center;gap:2px;font-style:normal;font-size:.82rem;font-weight:800;color:var(--brand);white-space:nowrap}
.em-short{display:none}
@media (max-width:560px){.em-long{display:none}.em-short{display:inline}.em-head{margin-right:30px}.em-tab{font-size:.8rem;padding:0 8px}.em-tip{grid-template-columns:22px minmax(0,1fr);}.em-tip em{grid-column:2}}

/* ===== Хяналт ба статистик — мэргэжлийн самбар ===== */
.anx{display:grid;gap:16px}
.anx-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:4px 2px 2px}
.anx-title h2{display:flex;align-items:center;gap:10px;margin:0;font-size:1.35rem;letter-spacing:-.01em}
.anx-title h2 svg{color:var(--brand)}
.anx-title p{margin:4px 0 0;color:var(--muted);font-size:.86rem}
.anx-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.anx-tools select{width:auto;max-width:240px;height:38px;padding:0 34px 0 12px;font-size:.88rem}
.anx-seg{display:inline-flex;padding:3px;border:1px solid var(--line);border-radius:11px;background:var(--surface-2)}
.anx-seg button{height:30px;padding:0 12px;border:0;border-radius:8px;background:none;font:inherit;font-size:.82rem;font-weight:700;color:var(--muted);cursor:pointer;white-space:nowrap}
.anx-seg button[aria-pressed="true"]{background:var(--surface);color:var(--brand);box-shadow:var(--shadow-sm)}
.anx-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.anx-kpi{position:relative;display:grid;align-content:start;gap:4px;min-height:128px;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow-sm)}
.anx-kpi small{font-size:.74rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.anx-kpi b{font-size:1.85rem;line-height:1.1;letter-spacing:-.02em;color:var(--text);font-variant-numeric:tabular-nums}
.anx-ic{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--brand-soft);color:var(--brand)}
.anx-sub{margin-top:auto;font-size:.8rem;color:var(--muted)}
.anx-meter{display:block;height:6px;margin-top:6px;border-radius:999px;background:var(--ink-2);overflow:hidden}
.anx-meter i{display:block;height:100%;border-radius:999px}
.anx-stats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.anx-stat{display:grid;gap:3px;padding:12px 16px;border-left:1px solid var(--line)}
.anx-stat:first-child{border-left:0}
.anx-stat small{font-size:.74rem;font-weight:600;color:var(--muted)}
.anx-stat b{font-size:1.1rem;color:var(--text);font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.anx-stat b em{font-style:normal;font-size:.85rem;color:var(--muted)}
.anx-stat.bad b{color:var(--coral)}
.anx-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:16px;align-items:start}
.anx-card{min-width:0;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow-sm)}
.anx-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0 0 12px}
.anx-card-head h3{display:flex;align-items:center;gap:8px;margin:0;font-size:1.02rem}
.anx-card-head h3 svg{color:var(--brand)}
.anx-card-head .chip{font-size:.74rem}
.anx-card-head .an-legend{margin:0}
.anx-hint{margin:-6px 0 12px}
.anx-search{width:min(260px,100%)}
/* График */
.anx-chart-sum{display:flex;gap:22px;flex-wrap:wrap;margin:0 0 14px}
.anx-chart-sum span{display:grid;font-size:.76rem;color:var(--muted)}
.anx-chart-sum b{font-size:1.05rem;color:var(--text)}
.anx-chart{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:200px auto;column-gap:10px}
.anx-y{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;font-size:.7rem;color:var(--muted);white-space:nowrap;transform:translateY(-.5em)}
.anx-y span:last-child{transform:translateY(.5em)}
.anx-plot{position:relative;border-left:1px solid var(--line);border-bottom:1px solid var(--line-2);background:linear-gradient(to bottom,var(--line) 1px,transparent 1px) 0 0/100% 50%}
.anx-cols{position:absolute;inset:0 4px 0 4px;display:flex;align-items:stretch;gap:3px}
.anx-col{flex:1;max-width:28px;margin:0 auto;display:flex;flex-direction:column;justify-content:flex-end;min-width:2px;border-radius:5px 5px 0 0;overflow:hidden;cursor:default}
.anx-col:hover{background:var(--brand-soft)}
.anx-col i{display:block;width:100%;flex:none}
.anx-col .ac{background:var(--brand)}
.anx-col .ia{background:var(--accent);opacity:.8}
.anx-x{grid-column:2;display:flex;justify-content:space-between;padding-top:6px;font-size:.72rem;color:var(--muted)}
.anx-empty{display:grid;justify-items:center;gap:6px;padding:28px 12px;text-align:center;color:var(--muted)}
.anx-empty svg{color:var(--line-2)}
.anx-empty p{margin:0;font-size:.88rem}
/* Эрсдэл, цол */
.anx-riskbar{display:flex;height:10px;gap:3px;margin:2px 0 14px;border-radius:999px;overflow:hidden}
.anx-riskbar i{display:block;min-width:6px}
.anx-riskbar .ok{background:var(--teal)}.anx-riskbar .watch{background:var(--accent)}.anx-riskbar .risk{background:var(--coral)}
.anx-risks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.anx-risks li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px}
.anx-risks small{font-size:.78rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.anx-risks b{font-size:1.05rem;font-variant-numeric:tabular-nums}
.anx-sub-h{margin:18px 0 8px;font-size:.78rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.anx-ranks{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.anx-ranks li{display:grid;grid-template-columns:110px minmax(0,1fr) auto;align-items:center;gap:8px;font-size:.84rem}
.anx-ranks span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.anx-ranks i{display:block;height:8px;border-radius:999px;background:var(--brand);min-width:4px}
.anx-warn{margin:14px 0 0;padding:8px 10px;border-radius:10px;background:var(--coral-soft);color:var(--coral);font-size:.8rem;font-weight:700}
/* Хүснэгт */
.anx-table th{white-space:nowrap}
.anx-table td{vertical-align:top}
.anx-table td small{display:block;margin-top:2px;max-width:220px}
.anx-table .an-row{cursor:pointer}
.anx-table .an-row:hover td{background:var(--surface-2)}
.anx-who{display:flex;gap:10px;align-items:flex-start;min-width:170px}
.anx-who>div{display:grid;gap:1px}
.anx-av{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:hsl(var(--h,220) 45% 92%);color:hsl(var(--h,220) 45% 32%);font-size:.78rem;font-weight:800}
.anx-acts{width:1%;white-space:nowrap}
.anx-acts>div{display:flex;gap:4px}
.anx-roster{max-height:420px;overflow:auto;margin:0 -6px}
.anx-person{display:flex;align-items:center;gap:10px;padding:9px 6px;border-radius:12px;cursor:pointer}
.anx-person:hover{background:var(--surface-2)}
.anx-person+.anx-person{border-top:1px solid var(--line)}
.anx-person .grow{flex:1;display:grid;min-width:0}
.anx-person strong{font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.anx-person small{font-size:.76rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.anx-card .ev-feed td:first-child{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
#anFeed+.ev-feed,.anx-card .ev-feed{max-height:420px}
/* Таблет, утас */
@media (max-width:1180px){.anx-grid{grid-template-columns:minmax(0,1fr)}.anx-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.anx-stat:nth-child(3n+1){border-left:0}.anx-stat:nth-child(n+4){border-top:1px solid var(--line)}}
@media (max-width:900px){.anx-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
  .anx-head{align-items:stretch}.anx-tools{width:100%}.anx-tools select{flex:1 1 100%;max-width:none}.anx-seg{flex:1}.anx-seg button{flex:1}
  .anx-kpi{min-height:0;padding:14px}.anx-kpi b{font-size:1.45rem}.anx-ic{width:30px;height:30px;top:12px;right:12px}
  .anx-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.anx-stat:nth-child(3n+1){border-left:1px solid var(--line)}.anx-stat:nth-child(2n+1){border-left:0}.anx-stat:nth-child(n+3){border-top:1px solid var(--line)}
  .anx-card{padding:14px}.anx-chart{grid-template-rows:160px auto}
}
@media (max-width:380px){.anx-kpis{grid-template-columns:minmax(0,1fr)}}
/* Утсан дээр: хүснэгтүүд карт мөр болно */
@media (max-width:640px){
  .anx-ic{display:none}
  .anx-table thead{display:none}
  .anx-table,.anx-table tbody{display:block}
  .anx-table tr.an-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px;padding:14px 4px;border-bottom:1px solid var(--line)}
  .anx-table tr.an-row:last-child{border-bottom:0}
  .anx-table td{display:block;padding:0!important;border:0!important;background:none!important}
  .anx-table td:first-child{grid-column:1/-1}
  .anx-table td[data-label]::before{content:attr(data-label);display:block;margin-bottom:3px;font-size:.68rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
  .anx-table td small{max-width:none}
  .anx-table td.anx-acts{grid-column:1/-1;width:auto}
  .anx-table td.anx-acts>div{justify-content:flex-end}
  .anx-card .an-table-wrap{overflow:visible}
  .anx-card .ev-feed thead{display:none}
  .anx-card .ev-feed table,.anx-card .ev-feed tbody{display:block}
  .anx-card .ev-feed tr{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:10px 2px;border-bottom:1px solid var(--line)}
  .anx-card .ev-feed td{display:block;padding:0!important;border:0!important}
  .anx-card .ev-feed td:nth-child(1){grid-column:2;grid-row:1;font-size:.74rem;color:var(--muted)}
  .anx-card .ev-feed td:nth-child(2){grid-column:1;grid-row:1;font-weight:700}
  .anx-card .ev-feed td:nth-child(3),.anx-card .ev-feed td:nth-child(4){grid-column:1/-1}
  .anx-card .ev-feed td:nth-child(4){font-size:.8rem}
}

/* ===== Тойм — ухаалаг, загварлаг самбар ===== */
.ovx{display:grid;gap:16px}
.ovx-hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px 24px;padding:26px 28px 22px;border-radius:22px;background:var(--dots),var(--navy);color:#fff;box-shadow:0 18px 44px -24px rgba(23,44,107,.7),inset 0 -4px 0 var(--accent);overflow:hidden}
.ovx-hero::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(234,160,46,.22),transparent 65%);pointer-events:none}
.ovx-hello span{font-size:.92rem;font-weight:600;color:rgba(255,255,255,.75)}
.ovx-hello h1{margin:2px 0 8px;font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.02em;color:#fff}
.ovx-hello p{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin:0;font-size:.86rem;color:rgba(255,255,255,.8)}
.ovx-hello p svg{opacity:.8}
.ovx-dot{width:4px;height:4px;margin:0 6px;border-radius:50%;background:rgba(255,255,255,.45)}
.ovx-clock{align-self:start;padding:10px 16px;border-radius:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);text-align:center}
.ovx-clock b{font-size:1.8rem;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.ovx-clock small{font-size:.85rem;opacity:.65}
.ovx-quick{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}
.ovx-q{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.1);font:inherit;font-size:.86rem;font-weight:700;color:#fff;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}
.ovx-q:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4)}
.ovx-q:first-child{background:var(--accent);border-color:var(--accent);color:var(--text)}
.ovx-kpi{text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.ovx-kpi:hover{border-color:var(--brand-tint);transform:translateY(-1px)}
.ovx-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;align-items:start}
.ovx-col{display:grid;gap:16px;min-width:0}
.ovx-clist{display:grid;margin:0 -8px}
.ovx-course{display:grid;grid-template-columns:44px minmax(0,1fr) auto auto;align-items:center;gap:12px;padding:10px 8px;border-radius:12px;color:inherit;text-decoration:none}
.ovx-course+.ovx-course{border-top:1px solid var(--line)}
.ovx-course:hover{background:var(--surface-2)}
.ovx-cv{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--dots),var(--navy);color:var(--accent);font-size:1.15rem;font-weight:800;box-shadow:inset 0 -3px 0 var(--accent)}
.ovx-cmain{display:grid;min-width:0}
.ovx-cmain strong{font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ovx-cmain small{font-size:.78rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ovx-go{color:var(--muted)}
.ovx-more{display:inline-flex;margin-top:8px}
.ovx-todo{list-style:none;margin:0 -6px;padding:0;display:grid;gap:2px}
.ovx-todo a{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 6px;border-radius:12px;color:inherit;text-decoration:none}
.ovx-todo a:hover{background:var(--surface-2)}
.ovx-todo a>svg{color:var(--muted)}
.ovx-ti{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand)}
.ovx-todo .amber .ovx-ti{background:var(--accent-soft);color:var(--accent-ink)}
.ovx-todo .bad .ovx-ti{background:var(--coral-soft);color:var(--coral)}
.ovx-todo strong{display:block;font-size:.88rem}
.ovx-todo small{display:block;font-size:.76rem;color:var(--muted);line-height:1.35}
.ovx-next{display:grid;gap:2px;padding:12px 14px;margin:0 0 12px;border-radius:14px;background:var(--brand-soft);border:1px solid var(--brand-tint)}
.ovx-next small{font-size:.74rem;font-weight:700;color:var(--brand)}
.ovx-next strong{font-size:1rem}
.ovx-next-acts{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:8px}
.ovx-days{margin-bottom:8px}
.ovx-days-h{margin:0 0 8px;font-size:.76rem;font-weight:600;color:var(--muted)}
.agenda:empty{display:none}
.ovx-store{height:8px}
#ov-sales td:last-child{white-space:nowrap}
@media (max-width:1180px){.ovx-grid{grid-template-columns:minmax(0,1fr)}.ovx-grid>.ovx-col:last-child{order:-1;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}
@media (max-width:640px){.ovx-hero{grid-template-columns:minmax(0,1fr);padding:20px 18px 18px}.ovx-clock{display:none}.ovx-q{flex:1 1 calc(50% - 8px);justify-content:center;height:auto;min-height:42px;padding:8px 10px;border-radius:14px;font-size:.8rem;line-height:1.2;text-align:center}
  #ov-sales thead{display:none}#ov-sales table,#ov-sales tbody{display:block}
  #ov-sales tr{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:10px 2px;border-bottom:1px solid var(--line)}
  #ov-sales td{display:block;padding:0!important;border:0!important}
  #ov-sales td:nth-child(1){grid-column:1/-1;font-weight:700}#ov-sales td:nth-child(3){grid-column:2;grid-row:2;text-align:right}#ov-sales td:nth-child(4){grid-column:1/-1;font-size:.78rem}.ovx-course{grid-template-columns:40px minmax(0,1fr) auto}.ovx-go{display:none}}

/* ===== Даалгаврын үнэлгээ: тоогоор эсвэл рубрикаар (шалгуур × түвшин) ===== */
.gr-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 12px}
.gr-mode{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border:1.5px solid var(--line);border-radius:14px;background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s}
.gr-mode:hover{border-color:var(--line-2)}
.gr-mode.on{border-color:var(--brand);background:var(--brand-soft)}
.gr-mode input{position:absolute;opacity:0;pointer-events:none}
.gr-mode strong{display:block;font-size:.92rem}
.gr-mode small{display:block;margin-top:2px;font-size:.78rem;color:var(--muted);line-height:1.35}
.gr-ic{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--surface-2);color:var(--brand);font-size:.86rem;font-weight:800;letter-spacing:-.02em}
.gr-mode.on .gr-ic{background:var(--brand);color:#fff}
.gr-mode:focus-within{outline:2px solid var(--brand);outline-offset:2px}
.gr-rubric{margin:0 0 14px}
.rb-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.rb-ed,.rb-view,.rb-grade{width:100%;border-collapse:separate;border-spacing:0;font-size:.86rem}
.rb-ed th,.rb-ed td,.rb-view th,.rb-view td,.rb-grade th,.rb-grade td{padding:8px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top;text-align:left}
.rb-ed tr>*:last-child,.rb-view tr>*:last-child,.rb-grade tr>*:last-child{border-right:0}
.rb-ed tbody tr:last-child>*,.rb-view tbody tr:last-child>*,.rb-grade tbody tr:last-child>*{border-bottom:0}
.rb-ed thead th,.rb-view thead th,.rb-grade thead th{background:var(--surface-2);font-size:.78rem;font-weight:800;color:var(--text-2)}
.rb-ed tbody th,.rb-view tbody th,.rb-grade tbody th{background:var(--surface-2);font-weight:700;min-width:150px;max-width:220px}
.rb-corner{font-size:.72rem!important;color:var(--muted)!important;white-space:nowrap}
.rb-corner span{color:var(--accent-ink)}
.rb-ed td{min-width:150px}
.rb-ed input,.rb-ed textarea{width:100%;min-width:0;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font:inherit;font-size:.84rem;resize:vertical}
.rb-ed input:focus,.rb-ed textarea:focus{border-color:var(--brand);outline:0;box-shadow:0 0 0 2px var(--brand-glow)}
.rb-lv,.rb-cr{display:flex;align-items:flex-start;gap:4px}
.rb-lv input{font-weight:700}
.rb-cr textarea{font-weight:700}
.rb-x{flex:none;width:26px;height:26px;color:var(--muted)}
.rb-x:hover{color:var(--coral);background:var(--coral-soft)}
.rb-max{display:block;margin-top:4px;font-size:.72rem;font-weight:600;color:var(--muted)}
.rb-pts{display:flex;align-items:center;gap:6px;margin-top:6px;font-size:.76rem;color:var(--muted)}
.rb-pts input{width:76px;font-weight:800;color:var(--brand)}
.rb-add-col{width:1%;background:var(--surface)!important;vertical-align:middle!important}
.rb-add{display:inline-flex;flex-direction:column;align-items:center;gap:2px;padding:8px 10px;border:1.5px dashed var(--line-2);border-radius:10px;background:none;font:inherit;font-size:.74rem;font-weight:700;color:var(--brand);cursor:pointer;white-space:nowrap}
.rb-add:hover{border-color:var(--brand);background:var(--brand-soft)}
.rb-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:10px}
.rb-total{font-size:.9rem;color:var(--muted)}
.rb-total b{font-size:1.15rem;color:var(--brand)}
/* Харах (суралцагч, журнал) */
.rb-view td{min-width:120px;color:var(--text-2)}
.rb-view td b{display:block;font-size:.8rem;color:var(--text)}
.rb-view td small{display:block;margin-top:3px;font-size:.78rem;line-height:1.4;color:var(--muted)}
.rb-view.graded td:not(.on):not(.rb-got){opacity:.55}
.rb-view td.on{background:var(--teal-soft);box-shadow:inset 0 0 0 2px var(--teal);opacity:1}
.rb-view td.on b{color:var(--teal)}
.rb-got{min-width:70px!important;text-align:center!important;background:var(--brand-soft)}
.rb-got b{display:inline!important;font-size:1rem!important;color:var(--brand)!important}
.rb-got small{display:inline!important;color:var(--muted)}
.rb-view tfoot th,.rb-view tfoot td{border-top:1px solid var(--line-2);border-bottom:0;background:var(--surface-2);font-weight:800}
/* Үнэлэх: нүд дээр дарж сонгоно */
.rb-grade td{padding:4px;min-width:130px}
.rb-cell{display:block;height:100%;padding:8px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:background .12s,border-color .12s}
.rb-cell:hover{background:var(--surface-2);border-color:var(--line-2)}
.rb-cell input{position:absolute;opacity:0;pointer-events:none}
.rb-cell b{display:block;font-size:.8rem}
.rb-cell small{display:block;margin-top:3px;font-size:.76rem;line-height:1.35;color:var(--muted)}
.rb-cell.on{background:var(--brand-soft);border-color:var(--brand)}
.rb-cell.on b{color:var(--brand)}
.rb-cell:focus-within{outline:2px solid var(--brand);outline-offset:1px}
.sub-grade-rb{display:grid;gap:10px}
.rb-grade-foot{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}
.rb-grade-foot .grow{flex:1;min-width:200px}
/* Суралцагч, журнал */
.asg-rubric{margin:12px 0;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.asg-rubric summary{padding:12px 14px;font-weight:800;cursor:pointer}
.asg-rubric .rb-wrap{margin:0 12px 12px}
.sub-score .rb-wrap{margin:10px 0}
.sub-fb{margin:8px 0 0}
.jr-rb-h{margin:16px 0 8px;font-size:.86rem}
@media (max-width:640px){.gr-modes{grid-template-columns:minmax(0,1fr)}.rb-ed td{min-width:140px}}

/* ===== Сургалтын засварлагч: мэдээлэл толгой хэсэгт, хичээлүүд бүтэн өргөнөөр ===== */
.pf.manage .gp-body.gp-full,.gp-body.gp-full{grid-template-columns:minmax(0,1fr)}
.gp-body.gp-full .composer-box{max-width:none}
.gp-head .gp-bar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:12px 24px;padding:20px 24px}
.gp-head .gp-bar .gp-facts{grid-column:1/-1}
.gp-info h1{margin:0}
.gp-desc{margin:6px 0 0;max-width:820px;color:var(--text-2);font-size:.95rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.gp-facts{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.gp-facts li{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2);font-size:.8rem;font-weight:600;color:var(--text-2)}
.gp-facts li svg{color:var(--muted)}
.gp-facts li b{color:var(--text)}
.gp-facts li.ok{background:var(--teal-soft);border-color:transparent;color:var(--teal)}
.gp-facts li.ok svg{color:var(--teal)}
.gp-facts li.draft{background:var(--accent-soft);border-color:transparent;color:var(--accent-ink)}
.gp-facts li.draft svg{color:var(--accent-ink)}
.gp-hside{display:grid;justify-items:end;gap:12px;flex:none}
.gp-roster{display:inline-flex;align-items:center;gap:10px;padding:5px 12px 5px 6px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font:inherit;color:var(--text);cursor:pointer;transition:border-color .15s,background .15s}
.gp-roster:hover{border-color:var(--brand-tint);background:var(--brand-soft)}
.gp-roster>svg{color:var(--muted)}
.gp-avs{display:flex;align-items:center}
.gp-avs .avatar{width:32px;height:32px;margin-left:-9px;border:2px solid var(--surface);font-size:.7rem;box-shadow:none}
.gp-avs .avatar:first-child{margin-left:0}
.gp-av0{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--surface-2);color:var(--muted)}
.gp-rn{font-size:.86rem;font-weight:600;color:var(--text-2)}
.gp-rn b{color:var(--text)}
.gp-acts{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:900px){.gp-head .gp-bar{grid-template-columns:minmax(0,1fr)}.gp-hside{justify-items:start;width:100%}.gp-acts{justify-content:flex-start}}
@media (max-width:560px){.gp-head .gp-bar{padding:16px}.gp-acts .btn{flex:1 1 calc(50% - 8px);justify-content:center}}
/* Хөтөлбөрийн мөр утсан дээр: гарчиг эхний мөрөнд, нээх/хаах, засах, устгах доор баруун талд */
.ol-acts{display:flex;align-items:center;gap:4px;flex:none}
@media (max-width:560px){.ol-row{flex-wrap:wrap;row-gap:2px}.ol-title{flex:1 1 0}.ol-title strong{white-space:normal}.ol-acts{flex-basis:100%;justify-content:flex-end}}

/* ===== Профайлын үзэлт ба зочид ===== */
#ov-visits .anx-card-head{margin-bottom:14px}
.vs-stats{margin:0 0 18px}
.vs-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:24px;align-items:start}
.vs-grid .anx-sub-h:first-child{margin-top:0}
.vs-chart{grid-template-rows:180px auto}
.vs-side .anx-sub-h:first-child{margin-top:0}
.vs-bars{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.vs-bars li{display:grid;grid-template-columns:118px minmax(0,1fr) auto;align-items:center;gap:8px;font-size:.84rem}
.vs-bars span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}
.vs-bars i{display:block;height:8px;min-width:4px;border-radius:999px;background:var(--brand)}
.vs-bars b{font-variant-numeric:tabular-nums}
.vs-recent{list-style:none;margin:0;padding:0;display:grid}
.vs-recent li{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 2px}
.vs-recent li+li{border-top:1px solid var(--line)}
.vs-av{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:hsl(var(--h,220) 45% 92%);color:hsl(var(--h,220) 45% 32%);font-size:.78rem;font-weight:800}
.vs-av.guest{background:var(--surface-2);color:var(--muted)}
.vs-who,.vs-meta{display:grid;min-width:0}
.vs-who b{font-size:.9rem}
.vs-who small,.vs-meta small{font-size:.76rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vs-meta{text-align:right}
.vs-meta b{font-size:.9rem;font-variant-numeric:tabular-nums}
@media (max-width:900px){.vs-grid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:640px){#ov-visits .anx-tools{width:100%}#ov-visits .anx-seg{flex:1}#ov-visits .anx-seg button{flex:1;padding:0 6px}.vs-bars li{grid-template-columns:96px minmax(0,1fr) auto}}

/* Багшийн «Данс»: данс холбох, орлого татах, орлогын статистик (studio.js → wallet) */
.wl{display:grid;gap:16px}
.wl-avail{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal),var(--shadow-sm)}
.wl-avail b{color:var(--teal)}
.wl-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px;align-items:start}
.wl-form .form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.wl-sch{display:grid;gap:8px}
.wl-sch p{margin:0}
.wl-lbl{font-weight:600;font-size:.9rem}
.wl-seg{flex-wrap:wrap}
.wl-big{display:grid;gap:2px;margin:0 0 6px}
.wl-big small{color:var(--muted);font-size:.8rem}
.wl-big b{font-size:clamp(1.6rem,3.2vw,2.1rem);font-weight:800;letter-spacing:-.02em;color:var(--teal);font-variant-numeric:tabular-nums}
.wl-drawf{display:flex;gap:8px;margin:12px 0 8px}
.wl-drawf input{flex:1;min-width:0}
.wl-draw p{margin:4px 0 0}
.wl-up{color:var(--teal)} .wl-down{color:var(--coral)}
.wl-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.wl-split h4{display:flex;align-items:center;gap:6px;margin:0 0 10px;font-size:.92rem}
.wl-bars li{grid-template-columns:minmax(0,170px) minmax(0,1fr) auto}
.wl-bars span{display:grid}
.wl-bars span small{font-size:.72rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.wl-note{margin:10px 0 0}
@media (max-width:900px){.wl-grid,.wl-split{grid-template-columns:minmax(0,1fr)}}
@media (max-width:560px){.wl-form .form-row{grid-template-columns:minmax(0,1fr)}.wl-bars li{grid-template-columns:110px minmax(0,1fr) auto}}

/* ===== Интро: робот угсрагдана (Three.js) ===== */
html.intro-on,html.intro-on body{overflow:hidden}
.intro{position:fixed;inset:0;z-index:6000;background:#0a1430;transition:opacity .6s ease}
.intro.out{opacity:0;pointer-events:none}
.intro canvas{display:block;width:100%;height:100%}
.intro::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 40%,transparent 55%,rgba(5,10,28,.65) 100%)}
.intro-brand{position:absolute;left:0;right:0;bottom:clamp(36px,10vh,110px);z-index:1;display:grid;justify-items:center;gap:10px;color:#fff;text-align:center;pointer-events:none}
.intro-brand b{font:800 clamp(2.4rem,7vw,4.6rem)/1 Manrope,system-ui,sans-serif;letter-spacing:-.03em;text-shadow:0 10px 40px rgba(31,60,143,.8)}
.intro-brand i{font-style:normal;color:#eaa02e}
.intro-title{font:700 clamp(.66rem,1.7vw,.9rem)/1.3 Manrope,system-ui,sans-serif;font-style:normal;letter-spacing:.28em;text-transform:uppercase;color:#eaa02e;text-shadow:0 0 18px rgba(234,160,46,.55)}
.intro-title .tc{opacity:0}
.intro-title .tc.on{opacity:1}
.intro-title .tc.cur{background:#eaa02e;color:#0a1430;text-shadow:none}
.intro-brand>span{font:600 clamp(.85rem,2.2vw,1.1rem)/1.3 Manrope,system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.intro-brand .ch{display:inline-block;opacity:0;transform:translateY(55%) scale(.9);filter:blur(6px);transition:opacity .4s ease,filter .4s ease,transform .55s cubic-bezier(.2,.9,.25,1.25);transition-delay:calc(var(--i) * 38ms)}
.intro.show-brand .ch{opacity:1;transform:none;filter:none}
@media (min-aspect-ratio:1/1){ /* өргөн дэлгэц: кино шиг гарчиг зүүн талд, робот баруун талд */
  .intro-brand{left:clamp(24px,7vw,120px);right:auto;bottom:auto;top:50%;transform:translateY(-10%);justify-items:start;text-align:left;max-width:46vw}
  .intro-brand b{font-size:clamp(2.6rem,6vw,5rem)}
}
.intro-ctl{position:absolute;top:calc(16px + env(safe-area-inset-top));right:16px;z-index:2;display:flex;gap:8px}
.intro-skip,.intro-sound{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(255,255,255,.08);color:#fff;font:700 .86rem Manrope,system-ui,sans-serif;cursor:pointer;backdrop-filter:blur(6px)}
.intro-skip:hover,.intro-sound:hover{background:rgba(255,255,255,.18)}
.intro-sound{padding:0 14px 0 12px}
.intro-sound[hidden]{display:none}
.intro-sound svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.intro-sound .snd-on,.intro-sound.on .snd-off{display:none}
.intro-sound.on .snd-on{display:block}
.intro-sound:not(.on){border-color:rgba(234,160,46,.8);animation:intro-snd 1.8s ease-out infinite} /* дуу асаахыг санал болгоно */
@keyframes intro-snd{0%{box-shadow:0 0 0 0 rgba(234,160,46,.55)}100%{box-shadow:0 0 0 12px rgba(234,160,46,0)}}

/* ---- Профайл: багшийн утас — эхний 4 орон → дарж нээх (багшид мэдэгдэнэ) → дахин дарахад залгах ---- */
.pf-phone{font-variant-numeric:tabular-nums;white-space:nowrap}
.pf-phone .pf-phone-n{letter-spacing:.02em}
.pf-phone small{font-size:.7rem;font-weight:800;line-height:1;padding:4px 8px;border-radius:999px;background:var(--brand);color:#fff}
.pf-phone.revealed small{background:var(--accent);color:#1b2240}
.pf-phone.loading{opacity:.6;cursor:progress}
.vs-lead{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:-6px 0 18px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);color:var(--brand);font-size:.92rem}
.vs-lead svg{flex:none}
.vs-lead b{font-size:1.05rem}
.vs-lead span{color:var(--text,#1b2240)}
.vs-lead small{margin-left:auto;color:var(--muted)}
.vs-ph .vs-who small svg{vertical-align:-2px;color:var(--brand)}
.vs-ph .vs-meta b{color:var(--brand)}

/* ---- Цаг захиалга: багшийн календарь (сул цаг тэмдэглэх) ---- */
.sc-tools{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 14px;margin:6px 0 10px}
.sc-tools label{display:grid;gap:4px;font-size:.8rem;font-weight:600;color:var(--muted)}
.sc-tools select,.sc-tools input{height:38px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);font:inherit}
.sc-tools input[type=number]{width:140px}
.sc-loc input{width:min(260px,70vw)}
.sc-seg{display:inline-flex;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2)}
.sc-seg button{height:32px;padding:0 14px;border:0;border-radius:999px;background:none;color:var(--muted);font:inherit;font-weight:700;font-size:.84rem;cursor:pointer}
.sc-seg button[aria-pressed="true"]{background:var(--brand);color:#fff}
.sc-warn{display:flex;align-items:center;gap:6px;margin:0 0 10px;padding:8px 12px;border-radius:10px;background:#fff6e6;color:#8a5a00;font-size:.84rem}
.sc-nav{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;margin:4px 0 6px}
.sc-nav [data-wk="-1"] svg{transform:rotate(180deg)}
.sc-nav b{min-width:110px;text-align:center;font-variant-numeric:tabular-nums}
.sc-legend{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin-left:auto;font-size:.76rem;color:var(--muted)}
.sc-legend i{display:inline-block;width:12px;height:12px;border-radius:4px;vertical-align:-1px;margin-right:3px}
.sc-legend i.free{border:1.5px solid var(--brand);background:var(--brand-soft)}
.sc-legend i.held{border:1.5px dashed var(--accent);background:#fff6e6}
.sc-legend i.booked{background:var(--brand)}
.sc-legend i.meet{background:#fff8ec;border:1px solid #f1d7a8;border-left:3px solid var(--accent)}
.sc-hint{margin:0 0 8px}
.sc-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.sc-grid{display:grid;grid-template-columns:52px repeat(7,minmax(98px,1fr));grid-template-rows:auto calc(var(--rows) * var(--row));min-width:740px}
.sc-corner{border-bottom:1px solid var(--line)}
.sc-dh{display:grid;justify-items:center;gap:2px;padding:8px 4px;border-bottom:1px solid var(--line);border-left:1px solid var(--line);font-size:.76rem;color:var(--muted)}
.sc-dh b{color:var(--text);font-size:.86rem}
.sc-dh.today b{color:var(--brand)}
.sc-dh.today span{padding:0 8px;border-radius:999px;background:var(--brand);color:#fff}
.sc-times{display:grid;grid-template-rows:repeat(var(--hours),calc(var(--row) * 2));padding-right:6px;font-size:.7rem;color:var(--muted);text-align:right}
.sc-times span{transform:translateY(-.5em)}
.sc-times span:first-child{transform:none}
.sc-col{position:relative;border-left:1px solid var(--line);cursor:copy;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(color-mix(in srgb,var(--line) 55%,transparent) 1px,transparent 1px);background-size:100% calc(var(--row) * 2),100% var(--row)}
.sc-col:hover{background-color:color-mix(in srgb,var(--brand) 4%,transparent)}
.sc-col.past{background-color:var(--surface-2);cursor:not-allowed}
.sc-slot,.sc-meet{position:absolute;left:3px;right:3px;display:grid;align-content:start;padding:3px 7px;border-radius:8px;font:inherit;font-size:.72rem;line-height:1.25;text-align:left;overflow:hidden;cursor:pointer}
.sc-slot b,.sc-meet b{font-size:.76rem;font-variant-numeric:tabular-nums}
.sc-slot small,.sc-meet small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-slot.free{border:1.5px solid var(--brand);background:var(--brand-soft);color:var(--brand)}
.sc-slot.free:hover{box-shadow:inset 0 0 0 1px var(--brand)}
.sc-slot.held{border:1.5px dashed var(--accent);background:#fff6e6;color:#8a5a00}
.sc-slot.booked{border:1.5px solid var(--brand);background:var(--brand);color:#fff}
.sc-slot.gone{opacity:.5}
.sc-slot.short{display:flex;align-items:center;gap:6px;padding-top:2px;padding-bottom:2px}
.sc-slot.short small{min-width:0}
.sc-meet{border:1px solid #f1d7a8;border-left:3px solid var(--accent);background:#fff8ec;color:#7a4d00;cursor:pointer}
.sc-meet:hover{box-shadow:inset 0 0 0 1px var(--accent)}
.sc-meet b svg{vertical-align:-1px}
.sc-meet.short{display:flex;align-items:center;gap:6px}
.sc-rep{display:inline-grid;margin-left:4px;opacity:.75;vertical-align:-1px}
.sc-series-acts{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.sc-series .eyebrow svg{vertical-align:-2px}
.sc-sel{position:absolute;left:3px;right:3px;z-index:2;display:grid;place-items:center;border:2px dashed var(--brand);border-radius:8px;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);font-size:.74rem;font-weight:700;pointer-events:none}
.sc-grid{user-select:none;-webkit-user-select:none}
.sc-who{display:flex;align-items:center;gap:8px;margin:8px 0 2px}
.sc-note{margin:8px 0 12px;padding:8px 12px;border-left:3px solid var(--accent);border-radius:0 10px 10px 0;background:var(--surface-2)}

/* ---- Цаг авах: зочны цонх ба профайл дээрх карт ---- */
.ap-win .modal-card{max-width:560px}
.ap-days{display:flex;gap:8px;padding:4px 0 10px;overflow-x:auto;scrollbar-width:thin}
.ap-day{flex:none;display:grid;justify-items:center;gap:2px;min-width:74px;padding:8px 10px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);font:inherit;cursor:pointer}
.ap-day b{font-size:.86rem}
.ap-day span{font-size:.75rem;color:var(--muted)}
.ap-day[aria-selected="true"]{border-color:var(--brand);background:var(--brand);color:#fff}
.ap-day[aria-selected="true"] span{color:rgba(255,255,255,.82)}
.ap-times{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:8px;margin:6px 0 12px}
.ap-time{display:grid;gap:2px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer}
.ap-time b{font-size:1.02rem;font-variant-numeric:tabular-nums}
.ap-time small{color:var(--muted);font-size:.74rem}
.ap-time em{font-style:normal;font-weight:700;font-size:.78rem;color:var(--brand)}
.ap-time:hover{border-color:var(--brand)}
.ap-time[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand)}
.ap-pick{display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.ap-sum{display:grid;gap:4px}
.ap-sum small,.ap-mine-row small{display:flex;align-items:center;gap:4px;color:var(--muted);font-weight:500}
.ap-note{display:grid;gap:4px;font-size:.86rem;font-weight:600}
.ap-note textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);font:inherit;resize:vertical}
.ap-hint{margin:0}
.ap-mine{display:grid;gap:8px;margin-bottom:14px;padding:12px 14px;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:14px;background:var(--brand-soft)}
.ap-mine-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.ap-mine-row span{display:grid;gap:2px;font-size:.88rem;font-weight:600}
.ap-done{display:grid;justify-items:center;gap:6px;padding:6px 0;text-align:center}
.ap-done p{margin:0}
.ap-done h4{margin:4px 0 0;font-size:1.2rem}
.ap-ok{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:#e7f6ee;color:#1d8a52;font-size:1.6rem;font-weight:800}
.ap-card{display:flex;align-items:center;gap:14px;margin-bottom:14px;padding:14px 16px;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:14px;background:var(--surface)}
.ap-ico{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand)}
.ap-card .grow{display:grid;gap:2px}
.ap-card small{color:var(--muted)}
@media (max-width:560px){ .ap-card{flex-wrap:wrap} .ap-card .btn{width:100%} .ap-times{grid-template-columns:repeat(2,minmax(0,1fr))} }

/* ---- Захиалгууд: багш нэг нэгээр, сонгосныг эсвэл бүгдийг цуцална ---- */
.ab-n{margin-left:8px;padding:1px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:.8rem;font-style:normal}
.ab-n:empty{display:none}
.ab-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 10px}
.ab-tools .check{margin-right:auto}
.ab-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.ab-row{display:grid;grid-template-columns:auto minmax(150px,1fr) minmax(170px,1.3fr) auto auto;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.ab-row.held{border-style:dashed;border-color:var(--accent)}
.ab-row:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.ab-row input{width:18px;height:18px;accent-color:var(--brand)}
.ab-when,.ab-who>span{display:grid;gap:2px;min-width:0}
.ab-when b{font-variant-numeric:tabular-nums}
.ab-when small,.ab-who small{overflow:hidden;color:var(--muted);font-size:.78rem;white-space:nowrap;text-overflow:ellipsis}
.ab-who{display:flex;align-items:center;gap:8px;min-width:0}
@media (max-width:760px){
  .ab-row{grid-template-columns:auto minmax(0,1fr) auto;row-gap:6px}
  .ab-row input{grid-row:1/span 3}
  .ab-when{grid-column:2;grid-row:1}
  .ab-who{grid-column:2;grid-row:2}
  .ab-row [data-cancel-one]{grid-column:3;grid-row:1/span 3}
}

/* ---- Уулзалтын холбоосыг гараар (meet.new → хуулах → тавих) ---- */
.ml-steps{display:grid;gap:8px;margin:12px 0 10px;padding-left:20px}
.ml-steps li{padding-left:2px}
.ml-steps li::marker{color:var(--brand);font-weight:800}
.ml-steps li>*{vertical-align:middle}
.ml-steps li span{margin-left:8px;color:var(--muted);font-size:.88rem}
.ml-steps li:last-child span{margin-left:0}
.ml-form{display:flex;flex-wrap:wrap;gap:8px}
.ml-form input{flex:1 1 220px;min-width:0;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);font:inherit}
.ml-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px}
.ml-row label{flex:1 1 260px}
.ab-acts{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}
@media (max-width:760px){ .ab-row .ab-acts{grid-column:2;grid-row:3;justify-content:flex-start} }
.ml-big{margin:14px 0 6px;gap:10px}
.ml-wait,.ml-got{display:flex;align-items:center;gap:10px;margin:4px 0 0;padding:10px 12px;border-radius:12px;font-size:.88rem}
.ml-wait{background:var(--surface-2);color:var(--muted)}
.ml-wait .loader{flex:none;width:18px;height:18px}
.ml-got{display:block;background:#e7f6ee;color:#16683f;overflow-wrap:anywhere}
.ml-or{display:flex;align-items:center;gap:10px;margin:14px 0 8px;color:var(--muted);font-size:.8rem}
.ml-or::before,.ml-or::after{content:"";flex:1;height:1px;background:var(--line)}
.ml-pulse{animation:ml-pulse 1.2s ease-out 3}
@keyframes ml-pulse{0%{box-shadow:0 0 0 0 rgba(31,60,143,.45)}100%{box-shadow:0 0 0 12px rgba(31,60,143,0)}}
input.ml-ok{border-color:#1d8a52;box-shadow:0 0 0 3px rgba(29,138,82,.15)}

/* ---- Хуваарь: сул цаг ба шууд хичээл нэг календарьт ---- */
.sc-meetst{display:flex;align-items:center;gap:10px}
.sc-meetst .chip svg{vertical-align:-2px}
.sc-kind{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:10px 0 12px}
.sc-kind button{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1.5px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer}
.sc-kind button>svg{flex:none;color:var(--brand)}
.sc-kind button[data-sckind="live"]>svg{color:var(--accent)}
.sc-kind span{display:grid;gap:2px}
.sc-kind small{color:var(--muted);font-size:.78rem}
.sc-kind button[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand)}
.sc-kind button[data-sckind="live"][aria-pressed="true"]{border-color:var(--accent);background:#fff8ec;box-shadow:inset 0 0 0 1px var(--accent)}
.sc-live-tools p{flex:1 1 280px;margin:0}
.sc-grid.live .sc-col{cursor:crosshair}
.sc-grid.live .sc-sel{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent);color:#7a4d00}
.lv-card{max-width:620px}
@media (max-width:560px){ .sc-kind{grid-template-columns:minmax(0,1fr)} .sc-meetst .chip{display:none} }

/* ---- Нүүр: хэсгийн толгой ---- */
.how-head{display:grid;justify-items:center;gap:10px;max-width:760px;margin:0 auto clamp(26px,4vw,44px);text-align:center}
.how-head h2{margin:0;color:var(--text);font:800 clamp(1.7rem,3.6vw,2.5rem)/1.15 var(--sans);letter-spacing:-.025em}
.how-head .lead{margin:0;color:var(--muted)}
.how-head .lead b{color:var(--text)}
/* ---- Нүүр: сахилга батын амьд жишээ (дохио → сануулга → хаалт → багшид мэдэгдэл) ---- */
.hd-screen{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 30px 60px -34px rgba(27,34,64,.45)}
.hd-screen::after{content:"";position:absolute;inset:0;z-index:4;pointer-events:none;border-radius:inherit;box-shadow:inset 0 0 0 0 rgba(217,58,58,0);transition:box-shadow .35s}
.hd-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.hd-bar i{width:10px;height:10px;border-radius:50%;background:#d8dce8}
.hd-bar span{margin-left:8px;overflow:hidden;color:var(--muted);font-size:.78rem;white-space:nowrap;text-overflow:ellipsis}
.hd-body{position:relative;display:grid;gap:12px;min-height:300px;padding:16px}
.hd-video{display:flex;align-items:center;gap:16px;height:130px;padding:0 20px;border-radius:12px;background:linear-gradient(135deg,#1f3c8f,#2f55c0);color:rgba(255,255,255,.92)}
.hd-lines{display:grid;flex:1;gap:9px}
.hd-lines i{height:8px;border-radius:999px;background:rgba(255,255,255,.28)}
.hd-lines i:nth-child(2){width:80%}
.hd-lines i:nth-child(3){width:55%}
.hd-stats{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:16px}
.hd-meter{display:grid;grid-template-columns:1fr auto;gap:6px 10px;font-size:.82rem;font-weight:700}
.hd-meter b{font-variant-numeric:tabular-nums}
.hd-meter i{grid-column:1/-1;height:8px;overflow:hidden;border-radius:999px;background:var(--surface-2)}
.hd-meter em{display:block;height:100%;border-radius:inherit;background:var(--brand);transform:scaleX(var(--att,.96));transform-origin:left;transition:transform .6s var(--ease),background .4s}
.how-demo[data-s="2"] .hd-meter em{background:var(--accent)}
.how-demo[data-s="3"] .hd-meter em,.how-demo[data-s="4"] .hd-meter em{background:#d93a3a}
.hd-strikes{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:.78rem;font-weight:700}
.hd-strikes span{margin-right:2px}
.hd-strikes i{width:14px;height:14px;border:2px solid #d8dce8;border-radius:50%;transition:background .3s,border-color .3s,transform .3s}
.hd-strikes i.hit{border-color:#d93a3a;background:#d93a3a;transform:scale(1.15)}
.hd-alert{position:absolute;left:16px;right:16px;top:16px;z-index:3;display:grid;gap:2px;padding:12px 44px 12px 14px;border-radius:12px;color:#fff;font-size:.86rem;
  opacity:0;transform:translateY(-14px) scale(.98);transition:opacity .3s,transform .35s var(--ease)}
.hd-alert b{font-size:.98rem}
.hd-a1{background:#d93a3a;box-shadow:0 14px 30px -12px rgba(217,58,58,.7)}
.hd-a2{background:var(--accent);color:#1b2240;box-shadow:0 14px 30px -12px rgba(234,160,46,.7)}
.hd-snd{position:absolute;right:14px;top:50%;font-style:normal;transform:translateY(-50%)}
.how-demo[data-s="1"] .hd-a1,.how-demo[data-s="2"] .hd-a2{opacity:1;transform:none}
.how-demo[data-s="1"] .hd-snd{animation:hd-snd .6s ease-in-out 4}
.how-demo[data-s="1"] .hd-screen{animation:hd-shake .5s ease-in-out .15s}
.how-demo[data-s="1"] .hd-screen::after{box-shadow:inset 0 0 70px 8px rgba(217,58,58,.5);animation:hd-flash .9s ease-in-out 2}
.how-demo[data-s="2"] .hd-screen::after{box-shadow:inset 0 0 60px 6px rgba(234,160,46,.45)}
.hd-lock{position:absolute;inset:0;z-index:2;display:grid;place-content:center;justify-items:center;gap:6px;padding:20px;text-align:center;color:#fff;
  background:rgba(23,32,64,.82);backdrop-filter:blur(3px);opacity:0;transition:opacity .45s}
.hd-lock svg{color:#ff8a8a}
.hd-lock b{font-size:1.2rem}
.hd-lock span{color:rgba(255,255,255,.8);font-size:.84rem}
.hd-shackle{transform:translateY(-4px);transition:transform .45s var(--ease) .25s}
.how-demo[data-s="3"] .hd-lock,.how-demo[data-s="4"] .hd-lock{opacity:1}
.how-demo[data-s="3"] .hd-shackle,.how-demo[data-s="4"] .hd-shackle{transform:none}
.how-demo[data-s="3"] .hd-lock svg{animation:hd-pop .5s var(--ease)}
.hd-notif{position:absolute;right:14px;bottom:14px;z-index:5;display:flex;align-items:center;gap:10px;max-width:min(330px,calc(100% - 28px));padding:11px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;
  color:var(--text);box-shadow:0 18px 40px -16px rgba(27,34,64,.45);opacity:0;transform:translateY(24px);transition:opacity .4s,transform .5s var(--ease)}
.hd-notif-ico{display:grid;place-items:center;flex:none;width:34px;height:34px;border-radius:10px;background:#fdecec}
.hd-notif b{display:block;font-size:.88rem}
.hd-notif small{display:block;color:var(--muted);font-size:.76rem}
.hd-notif .hd-notif-k{color:#b42f2f;font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.how-demo[data-s="4"] .hd-notif{opacity:1;transform:none}
@keyframes hd-shake{0%,100%{transform:none}20%{transform:translateX(-7px) rotate(-.4deg)}40%{transform:translateX(6px) rotate(.4deg)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@keyframes hd-flash{0%,100%{box-shadow:inset 0 0 70px 8px rgba(217,58,58,.5)}50%{box-shadow:inset 0 0 30px 2px rgba(217,58,58,.2)}}
@keyframes hd-snd{0%,100%{transform:translateY(-50%) scale(1)}50%{transform:translateY(-50%) scale(1.25)}}
@keyframes hd-pop{0%{transform:scale(.6)}70%{transform:scale(1.12)}100%{transform:none}}

@media (prefers-reduced-motion:reduce){ .how-demo *{animation:none!important;transition:none!important} }

/* ---- Нүүр: «Хэрхэн ашиглах вэ?» — суралцагч, багшийн аялал (алхам бүр жижиг хөдөлгөөнт дүрслэлтэй) ---- */
.uc-stage{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;height:136px;margin-bottom:6px;padding:12px;overflow:hidden;border-radius:14px;background:linear-gradient(160deg,var(--brand-soft),#f8f9fd)}
/* нийтлэг хөдөлгөөн: 5 секундийн тойрог, --d — алхам доторх хоцролт (сек) */
.uc-stage .k{opacity:0;animation:k-in 5s var(--ease) infinite both;animation-delay:calc(var(--d,0) * 1s)}
@keyframes k-in{0%{opacity:0;transform:translateY(8px) scale(.94)}10%,82%{opacity:1;transform:none}94%,100%{opacity:0;transform:translateY(-4px)}}
.k-pulse{animation:k-pulse 1.6s ease-in-out infinite}
@keyframes k-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
.k-fill,.k-drain{display:block;height:100%;border-radius:inherit;transform-origin:left;animation:k-fill 5s var(--ease) infinite both;animation-delay:calc(var(--d,0) * 1s)}
.k-fill{background:var(--brand)}
.k-drain{animation-name:k-drain}
@keyframes k-fill{0%{transform:scaleX(0)}45%,88%{transform:scaleX(var(--w,1))}100%{transform:scaleX(0)}}
@keyframes k-drain{0%{transform:scaleX(.95)}45%,88%{transform:scaleX(.18)}100%{transform:scaleX(.95)}}
.k-pick,.k-cell{animation:k-cell 5s ease infinite both;animation-delay:calc(var(--d,0) * 1s)}
@keyframes k-cell{0%,12%{background:#eef2fa;box-shadow:none}22%,85%{background:var(--brand-soft);box-shadow:inset 0 0 0 1.5px var(--brand)}100%{background:#eef2fa;box-shadow:none}}
.k-pick,.k-cell.bk{animation-name:k-solid}
@keyframes k-solid{0%,12%{background:#eef2fa}22%,85%{background:var(--brand)}100%{background:#eef2fa}}
.k-grow{transform-origin:bottom;animation:k-grow 5s var(--ease) infinite both;animation-delay:calc(var(--d,0) * 1s)}
@keyframes k-grow{0%{transform:scaleY(0)}35%,85%{transform:scaleY(1)}100%{transform:scaleY(0)}}
@property --p{syntax:"<number>";inherits:false;initial-value:0}
.k-ring{animation:k-ring 5s var(--ease) infinite both;animation-delay:calc(var(--d,0) * 1s)}
@keyframes k-ring{0%{--p:0}50%,88%{--p:.85}100%{--p:0}}
.k-flip{animation:k-flip 2.6s ease-in-out infinite}
@keyframes k-flip{0%,20%{transform:rotateY(0);opacity:1}65%,100%{transform:rotateY(-165deg);opacity:.15}}
@keyframes k-scan{from{transform:translateY(0)}to{transform:translateY(38px)}}
/* дүрслэлийн хэсгүүд */
.u-col{display:grid;gap:6px;justify-items:start}
.u-chip{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text);font-size:.76rem;font-weight:700;white-space:nowrap;box-shadow:0 6px 14px -10px rgba(27,34,64,.4)}
.u-chip.ok{border-color:#bfe6cf;background:#e7f6ee;color:#16683f}
.u-chip.amber{border-color:#f1d7a8;background:#fff4e0;color:#8a5a00}
.u-chip.bad{border-color:#f5c2c2;background:#fdecec;color:#b42f2f}
.u-chip.dark{border-color:#1b2240;background:#1b2240;color:#fff}
.u-phone{position:relative;display:grid;place-items:center;flex:none;width:52px;height:88px;border:3px solid #1b2240;border-radius:12px;background:#fff}
.u-qr{display:block;width:34px;height:34px;border-radius:2px;background:repeating-conic-gradient(#1b2240 0 25%,#fff 0 50%) 0 0/8.5px 8.5px}
.u-scan{position:absolute;left:6px;right:6px;top:22px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 8px var(--accent);animation:k-scan 1.6s ease-in-out infinite alternate}
.u-qrbox{display:grid;place-items:center;flex:none;width:64px;height:64px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 8px 20px -12px rgba(27,34,64,.4)}
.u-qrbox.sm{width:48px;height:48px}
.u-qrbox.sm .u-qr{width:28px;height:28px;background-size:7px 7px}
.u-video{display:grid;place-items:center;flex:none;width:84px;height:56px;border-radius:10px;background:linear-gradient(135deg,#1f3c8f,#2f55c0);color:#fff;font-size:1.2rem}
.u-bar{display:block;width:110px;height:8px;overflow:hidden;border-radius:999px;background:#dfe5f3}
.u-bar.warn .k-drain{background:linear-gradient(90deg,#d93a3a,var(--accent))}
.u-row{display:flex;align-items:center;gap:6px}
.u-row b{display:grid;place-items:center;width:18px;height:18px;border-radius:5px;background:var(--brand);color:#fff;font-size:.7rem}
.u-row i{display:block;width:70px;height:6px;border-radius:999px;background:#cfd7ea}
.u-cal,.u-grid,.u-rub{display:grid;grid-template-columns:repeat(3,22px);gap:5px;flex:none;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff}
.u-cal i,.u-grid i,.u-rub i{height:16px;border-radius:4px;background:#eef2fa}
.u-tiles{display:grid;grid-template-columns:repeat(3,26px);gap:4px}
.u-tiles i{display:grid;place-items:center;height:26px;border-radius:7px;background:#1b2240;color:#fff;font-size:.7rem;font-style:normal;font-weight:800}
.u-ring{position:relative;display:grid;place-items:center;flex:none;width:74px;height:74px}
.u-ring b{position:relative;font-size:.9rem}
.k-ring{position:absolute;inset:0;border-radius:50%;background:conic-gradient(var(--brand) calc(var(--p) * 1turn),#dfe5f3 0);-webkit-mask:radial-gradient(circle,transparent 56%,#000 58%);mask:radial-gradient(circle,transparent 56%,#000 58%)}
.u-card{display:grid;gap:6px;flex:none;width:86px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.u-card .u-av{width:26px;height:26px;border-radius:50%;background:var(--brand)}
.u-card i:not(.u-av){height:6px;border-radius:999px;background:#d6deef}
.u-card i:last-child{width:70%}
.u-blk{display:block;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:.76rem;font-weight:700;box-shadow:0 6px 14px -10px rgba(27,34,64,.35)}
.u-book{position:relative;flex:none;width:64px;height:82px;perspective:320px}
.u-book i{position:absolute;inset:0;border-radius:3px 8px 8px 3px;background:linear-gradient(90deg,#172c6b 0 12%,#1f3c8f 12%);box-shadow:0 10px 20px -10px rgba(27,34,64,.5)}
.u-book .k-flip{left:12%;border:1px solid var(--line);background:#fff repeating-linear-gradient(180deg,transparent 0 9px,#e3e8f4 9px 10px);transform-origin:left center}
.u-chat{justify-items:stretch;gap:5px;width:100%}
.u-bub{justify-self:start;max-width:86%;padding:6px 10px;border:1px solid var(--line);border-radius:12px 12px 12px 4px;background:#fff;font-size:.74rem}
.u-bub.me{justify-self:end;border-color:var(--brand);border-radius:12px 12px 4px 12px;background:var(--brand);color:#fff}
.u-bars{display:flex;align-items:flex-end;gap:5px;flex:none;height:66px}
.u-bars i{width:14px;height:calc(var(--h) * 100%);border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,var(--accent),#f3c06b)}
/* дэлгэцэнд байхад л тоглоно; хөдөлгөөн багасгах тохиргоонд хөдөлгөөнгүй, бүрэн харагдана */
.ex:not(.run) .uc-stage *{animation-play-state:paused!important}
@media (prefers-reduced-motion:reduce){ .uc-stage *{animation:none!important;opacity:1!important;transform:none!important} }


/* ---- Нүүр: «surgalt.mn хэрхэн ажилладаг вэ?» — зураглал (навигаци) + дэлгэрэнгүй самбар, 3 горим ---- */
.home-go{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-top:4px;font-size:.92rem;font-weight:700}
.home-go a{color:var(--brand);text-decoration:none;border-bottom:1.5px solid transparent}
.home-go a:hover{border-color:currentColor}
.home-go a:first-child{color:#8a5a00}
.ex{position:relative;z-index:2;max-width:1220px;margin:0 auto;padding:clamp(48px,7vw,88px) clamp(16px,4vw,40px) clamp(56px,8vw,96px);scroll-margin-top:64px}
.ex-modes{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;width:max-content;max-width:100%;margin:0 auto 22px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.ex-modes button{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border:0;border-radius:999px;background:none;color:var(--muted);font:inherit;font-weight:800;cursor:pointer}
.ex-modes button[aria-selected="true"]{background:var(--brand);color:#fff}
.ex-body{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:center;gap:clamp(18px,3vw,36px)}
.ex-map{position:relative;height:580px}
.ex-wires{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.ex-w{fill:none;stroke:color-mix(in srgb,var(--brand) 28%,transparent);stroke-width:2;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .9s var(--ease),stroke .25s}
.ex.seen .ex-w[data-b]{stroke-dashoffset:0}
.ex-w.on{stroke:var(--brand);stroke-width:2.6}
.ex-w.leaf{stroke:var(--brand);stroke-width:1.5;transition-delay:var(--d,0s)}
.ex-w.leaf.in{stroke-dashoffset:0}
.ex-core,.ex-br{position:absolute;font:inherit;cursor:pointer;transform:translate(-50%,-50%);opacity:0;transition:opacity .5s,transform .25s var(--ease),background .2s,color .2s,box-shadow .2s}
.ex.seen .ex-core,.ex.seen .ex-br{opacity:1}
.ex-core{z-index:3;display:grid;justify-items:center;gap:2px;padding:16px 20px;border:0;border-bottom:4px solid var(--accent);border-radius:20px;color:#fff;
  background:var(--dots),linear-gradient(140deg,#172c6b,#1f3c8f 60%,#2a4fb0);box-shadow:0 20px 40px -22px rgba(31,60,143,.75)}
.ex-core b{font:800 1.45rem/1 var(--sans);letter-spacing:-.03em}
.ex-core b i{color:var(--accent);font-style:normal}
.ex-core small{color:rgba(255,255,255,.75);font-size:.74rem}
.ex-core.on{box-shadow:0 0 0 5px rgba(234,160,46,.4),0 20px 40px -22px rgba(31,60,143,.75)}
.ex-br{z-index:2;display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border:1.5px solid var(--brand);border-radius:999px;background:var(--surface);color:var(--brand);
  font-size:.9rem;font-weight:800;white-space:nowrap;box-shadow:0 10px 22px -14px rgba(31,60,143,.55)}
.ex-br[data-tone="amber"]{border-color:var(--accent);color:#8a5a00}
.ex-br[data-tone="red"]{border-color:#d93a3a;color:#b42f2f}
.ex-br:hover{transform:translate(-50%,-50%) scale(1.05)}
.ex-br.on{background:var(--brand);color:#fff;transform:translate(-50%,-50%) scale(1.06)}
.ex-br.on[data-tone="amber"]{background:var(--accent);color:#1b2240}
.ex-br.on[data-tone="red"]{background:#d93a3a;color:#fff}
.ex-leaf{position:absolute;z-index:1;padding:5px 11px;border:1px solid var(--brand);border-radius:999px;background:var(--brand-soft);color:var(--text);font-size:.8rem;font-weight:700;white-space:nowrap;
  opacity:0;transform:translate(-50%,-50%) scale(.8);transition:opacity .35s,transform .45s var(--ease);transition-delay:var(--d,0s)}
.ex-leaf.in{opacity:1;transform:translate(-50%,-50%)}
.ex-side{display:grid;gap:12px;min-width:0}
.ex-chips{display:none;gap:6px;padding-bottom:4px;overflow-x:auto;scrollbar-width:thin}
.ex[data-mode="stu"] .ex-chips,.ex[data-mode="tch"] .ex-chips{display:flex}
.ex-chips button{flex:none;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-size:.82rem;font-weight:700;white-space:nowrap;cursor:pointer}
.ex-chips button[aria-selected="true"]{border-color:var(--brand);background:var(--brand);color:#fff}
.ex-panel{min-height:440px;padding:20px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow-sm)}
.ex-panel.swap{animation:ex-swap .45s var(--ease)}
@keyframes ex-swap{from{opacity:0;transform:translateY(10px)}}
.ex-k{display:inline-flex;align-items:center;gap:6px;color:var(--accent-2);font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.ex-panel h3{margin:8px 0 6px;color:var(--text);font:800 1.3rem/1.25 var(--sans);letter-spacing:-.015em}
.ex-panel p{margin:0 0 14px;color:var(--muted)}
.ex-visual .uc-stage{height:190px;margin:0}
.ex-visual .how-demo.compact{display:block}
.how-demo.compact .hd-body{min-height:230px}
.hd-cap{margin:10px 0 0;color:var(--text);font-size:.86rem;font-weight:700}
.ex-loop svg{display:block;width:100%;height:auto}
.xl-w{fill:none;stroke-width:2.5;stroke-linecap:round}
.xl-w.know{stroke:color-mix(in srgb,var(--brand) 40%,transparent)}
.xl-w.pay{stroke:color-mix(in srgb,var(--accent) 60%,transparent)}
.xl-l{font:700 12px var(--sans)}
.xl-l.know{fill:var(--brand)}
.xl-l.pay{fill:#9a6400}
.xl-n circle{fill:var(--brand-soft);stroke:var(--brand);stroke-width:1.5}
.xl-n text{fill:var(--brand);font:800 12px var(--sans)}
.xl-n.core rect{fill:#1f3c8f}
.xl-n.core text{fill:#fff;font:800 16px var(--sans)}
.xl-n.core tspan{fill:var(--accent)}
.xl-d.know circle{fill:var(--brand)}
.xl-d.pay circle{fill:var(--accent)}
.xl-d.pay text{fill:#fff;font:800 11px var(--sans)}
.ex-loop-out{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.ex-nav{display:flex;align-items:center;gap:8px}
.ex-prog{flex:1;height:4px;overflow:hidden;border-radius:999px;background:var(--surface-2)}
.ex-prog i{display:block;height:100%;background:var(--brand);transform:scaleX(0);transform-origin:left}
@keyframes ex-bar{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.ex-play{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--brand);font-size:.72rem;cursor:pointer}
.ex-s{display:none}
@media (max-width:980px){ .ex-body{grid-template-columns:minmax(0,1fr)} .ex-map{display:none} .ex-chips{display:flex} .ex-panel{min-height:0} }
@media (max-width:560px){ .ex-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%} .ex-modes button{justify-content:center;padding:0 8px} .ex-modes svg,.ex-l{display:none} .ex-s{display:inline} }
@media (prefers-reduced-motion:reduce){ .ex *{transition:none!important} .ex-panel.swap{animation:none} }

/* ===== Нууцлалын бодлого, үйлчилгээний нөхцөл (pv-) ===== */
.pv{position:relative;z-index:2;padding-top:60px}
.pv-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:52px max(16px,calc((100% - 1120px)/2)) 0}
.pv-hero::before{content:"";position:absolute;inset:0;background:var(--dots);pointer-events:none}
.pv-hero>*{position:relative}
.pv-eyebrow{margin:0;font-size:.76rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.pv-hero h1{margin:8px 0 12px;font-size:clamp(1.9rem,4.2vw,2.75rem);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.pv-lede{max-width:720px;margin:0;color:rgba(255,255,255,.84);font-size:1.02rem;line-height:1.6}
.pv-lede a{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.45)}
.pv-ver{display:inline-block;margin:16px 0 0;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.12);font-size:.8rem;font-weight:700;color:rgba(255,255,255,.88)}
.pv-tabs{display:flex;gap:4px;margin-top:28px}
.pv-tabs a{padding:12px 18px;border-radius:12px 12px 0 0;color:rgba(255,255,255,.78);font-weight:700;font-size:.95rem;transition:background .2s,color .2s}
.pv-tabs a:hover{background:rgba(255,255,255,.1);color:#fff}
.pv-tabs a[aria-current]{background:var(--ink);color:var(--brand)}
.pv-body{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;align-items:start;max-width:1152px;margin:0 auto;padding:32px 16px 72px}
.pv-toc{position:sticky;top:84px;font-size:.9rem}
.pv-toc>b{display:block;margin:0 0 8px 10px;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.pv-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px;counter-reset:pv}
.pv-toc li{counter-increment:pv}
.pv-toc a{display:flex;gap:10px;padding:7px 10px;border-radius:10px;color:var(--text-2);font-weight:600;line-height:1.35;transition:background .2s,color .2s}
.pv-toc a::before{content:counter(pv);min-width:1.2em;color:var(--muted);font-weight:800;font-variant-numeric:tabular-nums}
.pv-toc a:hover,.pv-toc a.on{background:var(--brand-soft);color:var(--brand)}
.pv-toc a.on::before{color:var(--accent-2)}
.pv-doc{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;min-width:0}
.pv-doc>section{min-width:0;scroll-margin-top:84px;padding:26px clamp(18px,3vw,32px);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.pv-doc h2{display:flex;align-items:center;gap:12px;margin:0 0 12px;font-size:1.22rem;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.pv-doc h2 span{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;font-size:.88rem}
.pv-doc h3{margin:18px 0 6px;font-size:.98rem;font-weight:800;color:var(--brand)}
.pv-doc p{margin:10px 0;color:var(--text-2);line-height:1.65}
.pv-doc ul{display:grid;gap:6px;margin:0;padding-left:20px}
.pv-doc li{color:var(--text-2);line-height:1.6}
.pv-doc li::marker{color:var(--accent)}
.pv-doc li b,.pv-doc p b{color:var(--text)}
.pv-doc a{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--brand-tint)}
.pv-doc a:hover{text-decoration-color:var(--brand)}
.pv-doc>section.pv-sum{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0;border:0;background:none}
.pv-card{display:grid;gap:6px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.pv-card svg{box-sizing:content-box;padding:9px;border-radius:12px;background:var(--brand-soft);color:var(--brand)}
.pv-card:nth-child(2) svg{background:var(--accent-soft);color:var(--accent-ink)}
.pv-card b{margin-top:4px;font-size:.98rem;color:var(--text)}
.pv-card p{margin:0;font-size:.88rem;line-height:1.5;color:var(--muted)}
.pv-table{margin:14px 0;overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.pv-table table{width:100%;border-collapse:collapse;font-size:.92rem}
.pv-table th{padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface-2);text-align:left;font-weight:800;color:var(--text);white-space:nowrap}
.pv-table td{padding:10px 14px;border-top:1px solid var(--line);vertical-align:top;line-height:1.5;color:var(--text-2)}
.pv-table tr:first-child td{border-top:0}
.pv-table td:first-child{font-weight:700;color:var(--text)}
.pv-table td:last-child:nth-child(2){white-space:nowrap;font-weight:700;color:var(--brand)}
.pv-note{margin:14px 0;padding:14px 18px;border:1px solid var(--brand-tint);border-radius:14px;background:var(--brand-soft)}
.pv-note>b{display:block;margin-bottom:6px;color:var(--brand)}
.pv-links{margin-top:18px!important}
.pv-links a{text-decoration:none;font-weight:800}
.footer-links{display:flex;gap:16px}
@media (max-width:900px){
  .pv-body{grid-template-columns:minmax(0,1fr);gap:16px;padding-top:20px}
  .pv-toc{position:static;padding:14px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
  .pv-toc ol{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pv-doc>section.pv-sum{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .pv-hero{padding-top:36px}
  .pv-tabs a{padding:10px 12px;font-size:.88rem}
  .pv-toc a{padding:6px 8px;font-size:.86rem}
  .pv-doc>section.pv-sum{grid-template-columns:minmax(0,1fr)}
  .pv-card{grid-template-columns:auto minmax(0,1fr);column-gap:12px;padding:14px}
  .pv-card svg{grid-row:span 2}
  .pv-card b{margin-top:0}
  .pv-table td:last-child:nth-child(2){white-space:normal}
  /* хяналтын хүснэгт: утсанд мөр бүр карт болно */
  .pv-mon{border:0;overflow:visible}
  .pv-mon table,.pv-mon tbody,.pv-mon tr,.pv-mon td{display:block}
  .pv-mon thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .pv-mon tr{margin-bottom:8px;padding:10px 14px;border:1px solid var(--line);border-radius:12px}
  .pv-mon td{padding:2px 0;border:0}
  .pv-mon td:nth-child(2)::before{content:"Хэзээ: ";font-weight:700;color:var(--muted)}
  .pv-mon td:nth-child(3)::before{content:"Үр дагавар: ";font-weight:700;color:var(--muted)}
}

/* ===== Нөхцөл зөвшөөрөх цонх (cg-) ===== */
.cg-open{overflow:hidden}
.cg{position:fixed;inset:0;z-index:2100;display:grid;place-items:center;padding:16px;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);animation:cg-in .25s var(--ease)}
.cg-card{width:min(460px,100%);max-height:calc(100svh - 32px);overflow:auto;padding:28px;border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-lg);animation:cg-up .3s var(--ease)}
.cg-ico{display:grid;place-items:center;width:52px;height:52px;margin-bottom:14px;border-radius:16px;background:var(--brand-soft);color:var(--brand)}
.cg h3{margin:0 0 8px;font-size:1.3rem;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.cg p{margin:0 0 12px;color:var(--text-2);line-height:1.55}
.cg ul{display:grid;gap:8px;margin:0 0 14px;padding:14px 16px 14px 34px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.cg li{color:var(--text-2);font-size:.92rem;line-height:1.5}
.cg li::marker{color:var(--accent)}
.cg-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.cg-links a{color:var(--brand);font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--brand-tint)}
.cg p.cg-err{margin:0;color:var(--coral);font-weight:700}
.cg p.cg-err:not(:empty){margin-bottom:10px}
.cg-act{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}
@keyframes cg-in{from{opacity:0}}
@keyframes cg-up{from{opacity:0;transform:translateY(12px) scale(.98)}}
@media (prefers-reduced-motion:reduce){ .cg,.cg-card{animation:none} }
@media (max-width:480px){
  .cg{align-items:end;padding:0}
  .cg-card{max-height:92svh;border-radius:20px 20px 0 0;padding:22px 18px calc(18px + env(safe-area-inset-bottom))}
  .cg-act{flex-direction:column-reverse}
  .cg-act .btn{width:100%}
}

/* ===== Чатын мэдүүлэг, хориг (rp-, chat-blocked) ===== */
.composer-bar.is-blocked,form.is-blocked{display:none!important}
.chat-blocked{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;border-top:1px solid var(--line);background:var(--surface-2);color:var(--muted);font-size:.86rem}
.rp{position:fixed;inset:0;z-index:2100;display:grid;place-items:center;padding:16px;background:rgba(15,23,42,.5);animation:cg-in .2s var(--ease)}
.rp-card{display:grid;gap:12px;width:min(440px,100%);max-height:calc(100svh - 32px);overflow:auto;padding:24px;border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-lg)}
.rp-card h3{margin:0;font-size:1.15rem;font-weight:800;color:var(--text)}
.rp-quote{display:grid;gap:2px;margin:0;padding:10px 14px;border-left:3px solid var(--accent);border-radius:0 10px 10px 0;background:var(--surface-2);color:var(--text-2);font-size:.9rem;line-height:1.45;overflow-wrap:anywhere}
.rp-quote b{color:var(--text);font-size:.82rem}
.rp-reasons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;padding:0;border:0}
.rp-reasons legend{margin:0;padding:0 0 6px;font-size:.9rem;font-weight:700;color:var(--text-2)}
.rp-reasons label{display:block;position:relative;cursor:pointer}
.rp-reasons input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.rp-reasons span{display:grid;place-items:center;min-height:42px;padding:6px 10px;border:1px solid var(--line-2);border-radius:12px;font-weight:700;font-size:.85rem;color:var(--text-2);text-align:center;line-height:1.25;transition:background .2s,border-color .2s,color .2s}
.rp-reasons input:checked+span{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.rp-reasons input:focus-visible+span{outline:3px solid var(--brand-glow);outline-offset:2px}
.rp-note{margin:0;color:var(--muted);font-size:.8rem;line-height:1.45}
.rp-act{display:flex;justify-content:flex-end;gap:8px}
@media (max-width:480px){ .rp{align-items:end;padding:0} .rp-card{border-radius:20px 20px 0 0;padding:20px 16px calc(16px + env(safe-area-inset-bottom))} }

/* ===== Хянагчийн хуудас (ad-) ===== */
.ad{position:relative;z-index:2;max-width:920px;margin:0 auto;padding:92px 16px 72px}
.ad-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.ad-head h1{margin:6px 0 6px;font-size:clamp(1.6rem,3.6vw,2.1rem);font-weight:800;letter-spacing:-.02em;color:var(--text)}
.ad-head p.muted{margin:0;max-width:560px;line-height:1.5}
.ad-tabs{display:flex;gap:4px;padding:4px;border-radius:12px;background:var(--ink-2)}
.ad-tabs button{padding:8px 14px;border:0;border-radius:9px;background:none;font:inherit;font-weight:700;color:var(--muted);cursor:pointer}
.ad-tabs button.on{background:var(--surface);color:var(--brand);box-shadow:var(--shadow-sm)}
.ad-list{display:grid;gap:12px}
.ad-empty{padding:40px 16px;border:1px dashed var(--line-2);border-radius:var(--radius);text-align:center;color:var(--muted)}
.ad-card{display:grid;gap:10px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.ad-card header{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.ad-card header time{margin-left:auto;color:var(--muted);font-size:.82rem}
.ad-who{margin:0;color:var(--text-2)}
.ad-note{margin:0;color:var(--text-2);font-style:italic}
.ad-ctx{display:grid;gap:4px;margin:0;padding:10px 12px;list-style:none;border-radius:12px;background:var(--surface-2);font-size:.88rem}
.ad-ctx li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px;align-items:baseline;padding:4px 6px;border-radius:8px}
.ad-ctx li b{color:var(--text);white-space:nowrap}
.ad-ctx li span{color:var(--text-2);overflow-wrap:anywhere}
.ad-ctx li time{color:var(--muted);font-size:.78rem}
.ad-ctx li.hit{background:var(--accent-soft);box-shadow:inset 3px 0 0 var(--accent)}
.ad-act{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.ad-act input[name=resolution]{flex:1;min-width:200px;padding:9px 12px}
.ad-act .check{font-weight:600;font-size:.88rem}
.ad-done{margin:0;color:var(--teal);font-weight:600;font-size:.9rem}
.ad-pay{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin:0}
.ad-pay b{font-size:1.4rem;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums}
.ad-pay span{color:var(--text-2)}
.ad-acct{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;padding:10px 12px;border-radius:12px;background:var(--surface-2)}
.ad-acct dt{font-size:.74rem;color:var(--muted)}
.ad-acct dd{margin:2px 0 0;font-weight:600;color:var(--text);overflow-wrap:anywhere}
.ad-acct code{font-size:.95rem}
.ad-payact input[name=note]{flex:1;min-width:200px;padding:9px 12px}
@media (max-width:640px){.ad-acct{grid-template-columns:minmax(0,1fr)}}
@media (max-width:560px){ .ad-ctx li{grid-template-columns:minmax(0,1fr)} .ad-ctx li time{justify-self:start} }

/* ===== Өгөгдлөө татах, бүртгэлээ устгах ===== */
.pv-mine{display:grid;gap:6px;margin-top:14px;padding:16px 18px;border:1px solid var(--brand-tint);border-radius:14px;background:var(--brand-soft)}
.pv-mine>b{color:var(--brand)}
.pv-mine p{margin:0!important;font-size:.9rem}
.pv-mine-act{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.pv-doc .pv-mine-act .btn{text-decoration:none}
.da-list{display:grid;gap:6px;margin:0;padding-left:20px;color:var(--text-2);font-size:.9rem;line-height:1.5}
.da-list li::marker{color:var(--coral)}
.em-data{margin:12px 0 0;text-align:right;font-size:.85rem}
.em-data a{color:var(--muted);text-decoration:underline;text-underline-offset:2px}
.em-data a:hover{color:var(--brand)}