@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800;900&display=swap');

:root{
  --ink:#0A1B3D;
  --slate:#4E5F80;
  --muted:#8494AF;
  --line:#E3EBF8;
  --line-soft:#ECF2FC;
  --bg:#F5F9FF;
  --card:#FFFFFF;
  --neon:#0857FF;
  --neon-deep:#0546D6;
  --sky:#00B3FF;
  --cyan:#19D3FF;
  --green:#0EA973;
  --amber:#F5A524;
  --grad:linear-gradient(120deg,var(--neon) 0%,var(--sky) 55%,var(--cyan) 100%);
  --grad-soft:linear-gradient(135deg,#EDF3FF 0%,#E7FAFF 100%);
  --glow:0 12px 28px -8px rgba(8,87,255,.45);
  --shadow-sm:0 1px 2px rgba(10,27,61,.04),0 4px 14px rgba(10,27,61,.06);
  --shadow-md:0 14px 38px -14px rgba(10,27,61,.18);
  --r-xl:26px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Tajawal','Segoe UI',Tahoma,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
input{font-family:inherit}
ul,ol{list-style:none}
::selection{background:rgba(8,87,255,.16)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#C9D8EF;border-radius:99px}
::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:3px solid rgba(8,87,255,.35);outline-offset:2px;border-radius:6px}

.container{max-width:1240px;margin-inline:auto;padding-inline:24px}
.hide{display:none !important}

.ic{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic-s{width:17px;height:17px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:var(--r-md);font-weight:700;font-size:.95rem;
  transition:.25s cubic-bezier(.4,0,.2,1);white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -8px rgba(8,87,255,.55)}
.btn-ghost{background:#EDF3FF;color:var(--neon)}
.btn-ghost:hover{background:#E0EBFF}
.btn-outline{border:1.5px solid var(--line);color:var(--slate);background:#fff}
.btn-outline:hover{border-color:var(--neon);color:var(--neon)}
.btn-sm{padding:9px 16px;font-size:.85rem;border-radius:11px}
.btn-icon{width:42px;height:42px;padding:0;border-radius:12px}

.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:99px;font-size:.78rem;font-weight:700;
  background:#EFF5FF;color:var(--slate);border:1px solid var(--line-soft);
}
.chip.blue{background:#EAF2FF;color:var(--neon);border-color:#DBE8FF}
.chip.green{background:#E6F8F0;color:var(--green);border-color:#D3F2E3}
.chip.amber{background:#FFF4DE;color:#B97B0A;border-color:#FFE9BD}

.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;font-size:.75rem;font-weight:800}
.pill.done{background:#E6F8F0;color:var(--green)}
.pill.prog{background:#EAF2FF;color:var(--neon)}
.pill.new{background:#EEF2F8;color:var(--muted)}

.bar{height:10px;background:#E8F0FD;border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;width:0;border-radius:inherit;background:var(--grad);transition:width 1.3s cubic-bezier(.25,.7,.3,1) .15s}
.bar.thin{height:7px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.header-in{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand .mark{width:58px;height:58px;flex:none;filter:drop-shadow(0 6px 14px rgba(8,87,255,.35))}
.brand-tx b{display:block;font-size:1.12rem;font-weight:900;letter-spacing:-.2px;line-height:1.2}
.brand-tx span{font-size:.72rem;color:var(--muted);font-weight:600}

.main-nav{display:flex;gap:6px;margin-inline-start:8px}
.main-nav a{
  padding:10px 18px;border-radius:12px;font-weight:700;font-size:.92rem;
  color:var(--slate);transition:.2s;position:relative;
}
.main-nav a:hover{color:var(--neon);background:#F0F5FF}
.main-nav a.active{color:var(--neon)}
.main-nav a.active::after{
  content:"";position:absolute;bottom:-1px;inset-inline:18px;height:3px;
  border-radius:3px 3px 0 0;background:var(--grad);
}

.header-actions{display:flex;align-items:center;gap:14px;margin-inline-start:auto;position:relative}
.bell-btn{
  position:relative;width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;background:#fff;border:1.5px solid var(--line);
  color:var(--slate);transition:.2s;
}
.bell-btn:hover{color:var(--neon);border-color:#C9DCFF}
.bell-btn .badge{
  position:absolute;top:-4px;inset-inline-end:-4px;min-width:19px;height:19px;
  padding-inline:4px;border-radius:99px;background:var(--grad);color:#fff;
  font-size:.68rem;font-weight:800;display:grid;place-items:center;
  box-shadow:0 3px 8px rgba(8,87,255,.4);
}
.notif-panel{
  position:absolute;top:56px;inset-inline-start:0;width:330px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.25s;z-index:60;
}
.notif-panel.open{opacity:1;visibility:visible;transform:none}
.np-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px}
.np-head b{font-size:.95rem}
.np-head button{color:var(--neon);font-size:.78rem;font-weight:700}
.np-item{display:flex;gap:12px;padding:12px 14px;border-radius:12px;transition:.2s;cursor:pointer}
.np-item:hover{background:#F6FAFF}
.np-item .np-dot{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center}
.np-item p{font-size:.84rem;line-height:1.5;color:var(--slate);font-weight:500}
.np-item p b{color:var(--ink)}
.np-item time{font-size:.7rem;color:var(--muted)}

.account{display:flex;align-items:center;gap:11px;padding:5px 6px;border-radius:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:1rem;
  background:var(--grad);box-shadow:0 4px 12px rgba(8,87,255,.35);
}
.avatar.lg{width:64px;height:64px;font-size:1.4rem;border-radius:20px}
.account-tx b{display:block;font-size:.88rem;line-height:1.3}
.account-tx span{font-size:.72rem;color:var(--muted)}

.hero{position:relative;padding:52px 0 30px;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(75px);pointer-events:none}
.blob-1{width:380px;height:380px;top:-160px;inset-inline-end:-80px;background:rgba(8,87,255,.14)}
.blob-2{width:300px;height:300px;top:40px;inset-inline-start:-120px;background:rgba(25,211,255,.16)}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(8,87,255,.10) 1.2px,transparent 1.2px);
  background-size:26px 26px;
  mask-image:radial-gradient(ellipse 70% 90% at 50% 0%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 90% at 50% 0%,#000 30%,transparent 75%);
}
.hero-in{position:relative;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.hero h1{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:900;letter-spacing:-.4px;line-height:1.35}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--slate);font-size:1.06rem;margin-top:8px;font-weight:500}
.hero-chips{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.today-chip{
  display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:99px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  font-size:.85rem;font-weight:700;color:var(--slate);
}
.today-chip .ic{color:var(--neon)}

.page-hero{position:relative;padding:46px 0 8px}
.crumb{display:flex;align-items:center;gap:8px;font-size:.83rem;color:var(--muted);font-weight:600;margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--slate);transition:.2s}
.crumb a:hover{color:var(--neon)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--neon);font-weight:800}

main.content{padding-bottom:70px}

.student-card{
  position:relative;background:var(--card);
  border:1px solid var(--line-soft);border-radius:var(--r-xl);
  box-shadow:var(--shadow-md);overflow:hidden;
}
.sc-top{
  position:relative;padding:30px 34px;
  display:grid;grid-template-columns:auto auto 1fr auto auto;align-items:center;gap:34px;
}
.sc-top::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 200px at 88% -40%,rgba(8,87,255,.09),transparent 65%),
    radial-gradient(420px 180px at 8% 130%,rgba(25,211,255,.10),transparent 60%);
  pointer-events:none;
}
.sc-id{display:flex;align-items:center;gap:18px;min-width:230px}
.sc-id h3{font-size:1.35rem;font-weight:900;letter-spacing:-.3px}
.sc-id .meta{display:flex;flex-direction:column;gap:7px;margin-top:7px;align-items:flex-start}
.sc-divide{width:1px;height:74px;background:var(--line)}
.sc-stats{display:flex;gap:34px}
.stat-mini{display:flex;align-items:center;gap:13px}
.stat-mini .tile{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;flex:none;
}
.tile.blue{background:#EAF2FF;color:var(--neon)}
.tile.cyan{background:#E1F8FF;color:#0794C9}
.tile.green{background:#E6F8F0;color:var(--green)}
.tile.tblue{background:#EAF2FF;color:var(--neon)}
.tile.tindigo{background:#EBEAFE;color:#5B5BE8}
.tile.tcyan{background:#DFF6FF;color:#0898CB}
.tile.tteal{background:#DDF7F1;color:#0B9E82}
.stat-mini b{display:block;font-size:1.3rem;font-weight:900;line-height:1.2;font-variant-numeric:tabular-nums}
.stat-mini span{font-size:.76rem;color:var(--muted);font-weight:600}

.ring-wrap{position:relative;width:150px;height:150px;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:12;stroke-linecap:round}
.ring .track{stroke:#E9F0FE}
.ring .meter{
  stroke:url(#gradRing);
  stroke-dasharray:377;
  stroke-dashoffset:377;
  transition:stroke-dashoffset 1.6s cubic-bezier(.3,.6,.25,1) .25s;
}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
}
.ring-center b{font-size:2rem;font-weight:900;letter-spacing:-1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;font-variant-numeric:tabular-nums}
.ring-center span{font-size:.7rem;color:var(--muted);font-weight:700;margin-top:4px}

.sc-bottom{
  display:flex;align-items:center;gap:22px;
  padding:20px 34px;border-top:1px solid var(--line-soft);background:linear-gradient(180deg,#FBFDFF,#F6FAFF);
}
.sc-bottom .bar{flex:1}
.sc-bottom .cap{font-size:.82rem;color:var(--slate);font-weight:700;white-space:nowrap}
.sc-bottom .cap b{color:var(--neon)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:44px 0 22px}
.section-head h2{font-size:1.45rem;font-weight:900;letter-spacing:-.3px;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:"";width:5px;height:26px;border-radius:6px;background:var(--grad)}
.section-head p{color:var(--muted);font-size:.9rem;margin-top:4px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--neon);font-weight:800;font-size:.88rem;transition:.2s}
.link-more:hover{gap:10px}

.subjects-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.subj-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:24px;display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--shadow-sm);transition:.3s cubic-bezier(.4,0,.2,1);
  position:relative;
}
.subj-card::before{
  content:"";position:absolute;top:0;inset-inline:0;height:4px;
  border-radius:4px 4px 0 0;background:var(--grad);opacity:0;transition:.3s;
}
.subj-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#DCE8FB}
.subj-card:hover::before{opacity:1}
.subj-head{display:flex;align-items:center;gap:14px}
.subj-ic{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;flex:none;
  color:var(--ac);transition:.3s;
}
.subj-card:hover .subj-ic{background:var(--ac);color:#fff;box-shadow:0 8px 20px -6px var(--ac)}
.subj-ic.tint-blue{background:#EAF2FF}
.subj-ic.tindigo{background:#EBEAFE;color:#5B5BE8}
.subj-ic.tcyan{background:#DFF6FF;color:#0898CB}
.subj-ic.tteal{background:#DDF7F1;color:#0B9E82}
.subj-ic.tblue{background:#EAF2FF;color:var(--neon)}
.subj-head h3{font-size:1.08rem;font-weight:900}
.subj-head span{font-size:.78rem;color:var(--muted);font-weight:600}
.subj-progress{display:flex;align-items:center;gap:12px}
.subj-progress .bar{flex:1}
.subj-progress b{font-size:.9rem;font-weight:900;color:var(--neon);font-variant-numeric:tabular-nums;direction:ltr}
.subj-card .btn{margin-top:auto;width:100%}

.recents-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.recent-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:18px;display:flex;gap:15px;align-items:center;box-shadow:var(--shadow-sm);transition:.25s;
}
.recent-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rc-thumb{
  width:64px;height:64px;border-radius:16px;flex:none;display:grid;place-items:center;
  color:#fff;font-weight:900;font-size:1.3rem;
}
.rc-thumb.g-math{background:linear-gradient(135deg,#0857FF,#00A9FF)}
.rc-thumb.g-arabic{background:linear-gradient(135deg,#5B5BE8,#00B3FF)}
.rc-thumb.g-eng{background:linear-gradient(135deg,#00B3FF,#19D3FF)}
.rc-body b{font-size:.94rem;font-weight:800;display:block;line-height:1.4}
.rc-body span{font-size:.75rem;color:var(--muted);font-weight:600}
.rc-body .bar{margin-top:9px}

.site-footer{border-top:1px solid var(--line-soft);background:#fff;padding:26px 0;margin-top:20px}
.footer-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.82rem;font-weight:600}
.footer-brand{display:flex;align-items:center;gap:9px;color:var(--slate)}
.footer-brand b{color:var(--ink)}

.demo-nav{
  position:fixed;bottom:18px;inset-inline-start:18px;z-index:70;
  display:flex;gap:4px;padding:6px;border-radius:99px;
  background:rgba(255,255,255,.85);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:var(--shadow-md);
}
.demo-nav a{
  padding:8px 15px;border-radius:99px;font-size:.76rem;font-weight:800;color:var(--slate);transition:.2s;
}
.demo-nav a:hover{background:#EFF5FF;color:var(--neon)}
.demo-nav a.on{background:var(--grad);color:#fff;box-shadow:var(--glow)}

.subject-banner{
  position:relative;background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--r-xl);box-shadow:var(--shadow-md);
  padding:30px 34px;display:flex;align-items:center;gap:26px;overflow:hidden;
}
.subject-banner::before{
  content:"";position:absolute;inset-inline-end:-70px;top:-90px;width:280px;height:280px;
  border-radius:50%;filter:blur(60px);
}
.sb-accent-blue::before{background:rgba(8,87,255,.12)}
.sb-accent-indigo::before{background:rgba(91,91,232,.12)}
.sb-accent-cyan::before{background:rgba(0,179,255,.13)}
.sb-accent-teal::before{background:rgba(11,158,130,.12)}
.sb-icon{
  width:76px;height:76px;border-radius:22px;display:grid;place-items:center;flex:none;
  color:#fff;box-shadow:0 14px 30px -8px var(--ac,rgba(8,87,255,.5));position:relative;
}
.sb-accent-blue .sb-icon{background:linear-gradient(135deg,#0857FF,#00A9FF)}
.sb-accent-indigo .sb-icon{background:linear-gradient(135deg,#5B5BE8,#00B3FF)}
.sb-accent-cyan .sb-icon{background:linear-gradient(135deg,#00A9E0,#19D3FF)}
.sb-accent-teal .sb-icon{background:linear-gradient(135deg,#0B9E82,#00C2FF)}
.sb-info{flex:1;min-width:220px}
.sb-info h1{font-size:1.6rem;font-weight:900;letter-spacing:-.4px}
.sb-info p{color:var(--slate);font-size:.92rem;margin-top:5px;font-weight:500;max-width:560px}
.sb-meta{display:flex;gap:9px;margin-top:14px;flex-wrap:wrap}
.sb-progress{width:240px;flex:none}
.sb-progress .row{display:flex;justify-content:space-between;font-size:.8rem;font-weight:700;color:var(--slate);margin-bottom:8px}
.sb-progress .row b{color:var(--neon);direction:ltr}

.filters{display:flex;gap:9px;flex-wrap:wrap}
.f-btn{
  padding:9px 20px;border-radius:99px;font-size:.85rem;font-weight:800;
  background:#fff;border:1.5px solid var(--line);color:var(--slate);transition:.2s;
}
.f-btn:hover{border-color:var(--neon);color:var(--neon)}
.f-btn.on{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--glow)}

.lessons-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.lesson-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:.3s cubic-bezier(.4,0,.2,1);
}
.lesson-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.lesson-card.filtered-out{display:none}
.thumb{
  position:relative;aspect-ratio:16/8.6;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.thumb::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:34px 34px;mask-image:linear-gradient(#000,transparent 75%);
  -webkit-mask-image:linear-gradient(#000,transparent 75%);
}
.thumb::after{
  content:attr(data-glyph);font-weight:900;color:rgba(255,255,255,.22);
  font-size:6.5rem;line-height:1;font-family:'Tajawal',sans-serif;
  transform:translateY(-6px);transition:.35s;
}
.lesson-card:hover .thumb::after{transform:translateY(-6px) scale(1.12)}
.thumb.g-math{background:radial-gradient(120% 140% at 15% 10%,#19D3FF 0%,#0857FF 55%,#0546D6 100%)}
.thumb.g-arabic{background:radial-gradient(120% 140% at 85% 10%,#00C2FF 0%,#4A63F0 60%,#3A3AD0 100%)}
.thumb.g-eng{background:radial-gradient(120% 140% at 15% 85%,#19D3FF 0%,#00A0E8 55%,#0565C9 100%)}
.thumb.g-science{background:radial-gradient(120% 140% at 85% 85%,#00E5C0 0%,#00A9E0 55%,#0857FF 100%)}
.play-bubble{
  width:58px;height:58px;border-radius:50%;z-index:2;
  background:rgba(255,255,255,.22);backdrop-filter:blur(8px);
  border:1.5px solid rgba(255,255,255,.5);display:grid;place-items:center;
  color:#fff;transition:.3s;position:relative;
}
.play-bubble .ic{width:24px;height:24px;fill:#fff;stroke:none;margin-inline-start:3px}
.lesson-card:hover .play-bubble{transform:scale(1.12);background:rgba(255,255,255,.32)}
.dur-badge{
  position:absolute;bottom:12px;inset-inline-start:12px;z-index:2;
  padding:5px 12px;border-radius:9px;font-size:.74rem;font-weight:800;color:#fff;
  background:rgba(10,27,61,.45);backdrop-filter:blur(8px);direction:ltr;font-variant-numeric:tabular-nums;
}
.done-flag{
  position:absolute;top:12px;inset-inline-end:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:99px;
  background:#fff;color:var(--green);font-size:.74rem;font-weight:900;
  box-shadow:0 4px 14px rgba(5,40,25,.18);
}
.lc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:13px;flex:1}
.lc-body h3{font-size:1.06rem;font-weight:900;letter-spacing:-.2px}
.lc-body>p{font-size:.85rem;color:var(--slate);font-weight:500;line-height:1.7}
.lc-tags{display:flex;gap:8px;flex-wrap:wrap}
.watch-track{margin-top:auto;background:#F7FAFF;border:1px solid var(--line-soft);border-radius:14px;padding:13px 15px}
.wt-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.wt-row .lbl{font-size:.78rem;font-weight:700;color:var(--slate)}
.wt-num{font-size:.86rem;font-weight:900;color:var(--neon);direction:ltr;font-variant-numeric:tabular-nums}
.dots{display:flex;gap:6px;margin-bottom:9px}
.dots i{height:9px;flex:1;border-radius:99px;background:#E4EDFA;position:relative;overflow:hidden}
.dots i.fill::before{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--grad)}

.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:24px;align-items:start;margin-top:26px}
.player-col{display:flex;flex-direction:column;gap:22px}
.player-shell{
  background:#060F26;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 30px 70px -20px rgba(6,20,60,.55);
}
.screen{
  position:relative;aspect-ratio:16/9;overflow:hidden;cursor:pointer;
  background:
    radial-gradient(90% 120% at 80% -10%,rgba(25,211,255,.35),transparent 55%),
    radial-gradient(110% 130% at 10% 110%,rgba(8,87,255,.5),transparent 60%),
    linear-gradient(150deg,#0B1B45 0%,#071233 100%);
}
.screen::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 75%);
}
.screen .glyph-bg{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:clamp(5rem,14vw,10rem);font-weight:900;color:rgba(130,180,255,.10);
  user-select:none;pointer-events:none;
}
.big-play{
  position:absolute;inset:0;margin:auto;width:88px;height:88px;border-radius:50%;
  background:rgba(255,255,255,.14);backdrop-filter:blur(10px);
  border:1.5px solid rgba(255,255,255,.35);display:grid;place-items:center;
  color:#fff;transition:.3s;z-index:3;
}
.big-play .ic{width:34px;height:34px;fill:#fff;stroke:none;margin-inline-start:4px}
.big-play:hover{transform:scale(1.1);background:rgba(255,255,255,.25);box-shadow:0 0 0 12px rgba(255,255,255,.06)}
.playing .big-play{opacity:0;pointer-events:none;transform:scale(.8)}
.live-pill{
  position:absolute;top:16px;inset-inline-start:16px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:99px;
  background:rgba(255,255,255,.14);backdrop-filter:blur(8px);
  color:#fff;font-size:.72rem;font-weight:800;border:1px solid rgba(255,255,255,.25);
}
.live-pill i{width:7px;height:7px;border-radius:50%;background:#2EE6A8;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.controls{
  position:relative;display:flex;align-items:center;gap:14px;
  padding:14px 18px;background:#0A1636;border-top:1px solid rgba(130,170,255,.14);
}
.cbtn{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  color:#BFD2F5;transition:.2s;flex:none;
}
.cbtn:hover{color:#fff;background:rgba(130,170,255,.14)}
.cbtn.muted{opacity:.4}
.cbtn.main{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(8,87,255,.5)}
.timecode{font-size:.78rem;font-weight:700;color:#BFD2F5;direction:ltr;font-variant-numeric:tabular-nums;white-space:nowrap}
.seek{flex:1;height:22px;display:flex;align-items:center;cursor:pointer;touch-action:none}
.seek .rail{position:relative;height:7px;border-radius:99px;background:rgba(130,170,255,.2);width:100%}
.seek .fill{
  position:absolute;inset-block:0;inset-inline-start:0;width:0%;
  border-radius:inherit;background:var(--grad);
}
.seek .knob{
  position:absolute;top:50%;width:15px;height:15px;border-radius:50%;background:#fff;
  transform:translate(50%,-50%);inset-inline-start:0%;box-shadow:0 2px 8px rgba(0,0,0,.4);
  transition:.15s;
}

.tracker-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);padding:26px 28px;
}
.tracker-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.tracker-head h3{font-size:1.05rem;font-weight:900;display:flex;align-items:center;gap:10px}
.tracker-head h3 .ic{color:var(--neon)}
.tracker-status .pill{font-size:.8rem}
.count-big{display:flex;align-items:baseline;gap:6px;margin:14px 0 4px;direction:ltr;justify-content:flex-end}
.count-big b{
  font-size:3.2rem;font-weight:900;letter-spacing:-2px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;transition:.2s;
}
.count-big b.pop{animation:pop .45s cubic-bezier(.3,1.6,.5,1)}
@keyframes pop{40%{transform:scale(1.28)}}
.count-big span{font-size:1.3rem;font-weight:800;color:var(--muted)}
.segs{display:flex;gap:8px;margin:16px 0 20px}
.segs i{height:12px;flex:1;border-radius:99px;background:#E8F0FD;position:relative;overflow:hidden}
.segs i::before{
  content:"";position:absolute;inset:0;border-radius:inherit;background:var(--grad);
  transform:scaleX(0);transform-origin:right;transition:transform .6s cubic-bezier(.3,.8,.3,1);
}
.segs i.on::before{transform:scaleX(1)}
.note{
  display:flex;gap:12px;padding:15px 17px;border-radius:14px;
  background:var(--grad-soft);border:1px dashed rgba(8,87,255,.35);
  font-size:.85rem;font-weight:600;color:var(--slate);line-height:1.7;
}
.note .ic{color:var(--neon);margin-top:3px}
.note b{color:var(--neon)}
.complete-banner{
  margin-top:16px;display:flex;align-items:center;gap:13px;padding:16px 18px;border-radius:14px;
  background:#E6F8F0;border:1px solid #C9EEDD;
}
.complete-banner .ck{
  width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;
  display:grid;place-items:center;flex:none;box-shadow:0 6px 16px rgba(14,169,115,.4);
}
.complete-banner b{color:#0A7D57;font-size:.95rem}
.complete-banner p{font-size:.8rem;color:#33805F;font-weight:600}

.side-col{display:flex;flex-direction:column;gap:22px}
.info-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:22px}
.info-card>h3{font-size:1rem;font-weight:900;margin-bottom:15px;display:flex;align-items:center;gap:9px}
.info-card>h3 .ic{color:var(--neon)}
.kv{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--line);font-size:.86rem}
.kv:last-of-type{border-bottom:none}
.kv span{color:var(--muted);font-weight:600}
.kv b{font-weight:800}
.desc-p{font-size:.86rem;color:var(--slate);font-weight:500;line-height:1.85}

.mini-list li{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:13px;transition:.2s;cursor:pointer}
.mini-list li:hover{background:#F6FAFF}
.mini-list li.cur{background:var(--grad-soft)}
.ml-thumb{
  width:44px;height:44px;border-radius:11px;flex:none;display:grid;place-items:center;color:#fff;
}
.ml-thumb .ic{width:17px;height:17px;fill:currentColor;stroke:none}
.ml-body{flex:1;min-width:0}
.ml-body b{display:block;font-size:.85rem;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ml-body span{font-size:.71rem;color:var(--muted);font-weight:600}
.ml-state{flex:none}
.ml-state .ok{color:var(--green)}
.ml-state .part{color:var(--neon);font-size:.72rem;font-weight:800;direction:ltr;display:inline-block}

.admin-shell{display:flex;min-height:100vh}
.side{
  width:264px;flex:none;background:#fff;border-inline-end:1px solid var(--line-soft);
  padding:24px 18px;display:flex;flex-direction:column;gap:8px;
  position:sticky;top:0;height:100vh;z-index:40;
}
.side .brand{flex-direction:column;align-items:center;text-align:center;gap:10px;padding:6px 8px 22px}
.side-menu{display:flex;flex-direction:column;gap:5px;flex:1}
.sm-label{font-size:.68rem;font-weight:800;color:var(--muted);letter-spacing:.6px;padding:12px 14px 6px}
.sm-item{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:13px;
  font-weight:700;font-size:.92rem;color:var(--slate);transition:.2s;position:relative;
}
.sm-item .ic{width:21px;height:21px}
.sm-item:hover{background:#F4F8FF;color:var(--neon)}
.sm-item.on{background:#EAF2FF;color:var(--neon)}
.sm-item.on::before{
  content:"";position:absolute;inset-inline-start:-18px;top:22%;bottom:22%;width:4px;
  border-radius:0 6px 6px 0;background:var(--grad);
}
.sm-item .count{
  margin-inline-start:auto;font-size:.7rem;font-weight:800;background:#EEF3FC;color:var(--muted);
  padding:2px 9px;border-radius:99px;
}
.side-user{
  display:flex;align-items:center;gap:11px;padding:13px;border-radius:16px;
  background:var(--grad-soft);border:1px solid #E4EEFF;margin-top:10px;
}
.side-user b{font-size:.85rem;display:block;line-height:1.3}
.side-user span{font-size:.7rem;color:var(--muted);font-weight:600}
.side-user button{margin-inline-start:auto;color:var(--muted);transition:.2s}
.side-user button:hover{color:#E5484D}

.admin-main{flex:1;min-width:0;padding:0 32px 60px}
.admin-topbar{
  height:78px;display:flex;align-items:center;gap:18px;
  position:sticky;top:0;z-index:30;background:rgba(245,249,255,.85);
  backdrop-filter:blur(16px);margin-inline:-32px;padding-inline:32px;
  border-bottom:1px solid rgba(227,235,248,.7);
}
.at-title h1{font-size:1.25rem;font-weight:900;letter-spacing:-.3px}
.at-title p{font-size:.76rem;color:var(--muted);font-weight:600}
.search-box{
  flex:1;max-width:430px;margin-inline-start:auto;display:flex;align-items:center;gap:11px;
  background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:11px 17px;
  transition:.2s;color:var(--muted);
}
.search-box:focus-within{border-color:var(--neon);box-shadow:0 0 0 4px rgba(8,87,255,.09)}
.search-box input{border:none;outline:none;flex:1;background:none;font-size:.88rem;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.menu-toggle{display:none}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.kpi{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
  transition:.25s;position:relative;overflow:hidden;
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.kpi::after{
  content:"";position:absolute;inset-inline-end:-34px;top:-34px;width:110px;height:110px;border-radius:50%;
  opacity:.08;pointer-events:none;
}
.kpi.a::after{background:var(--neon)}
.kpi.b::after{background:var(--cyan)}
.kpi.c::after{background:#5B5BE8}
.kpi.d::after{background:var(--green)}
.kpi-head{display:flex;align-items:center;justify-content:space-between}
.kpi-head .tile{width:48px;height:48px;border-radius:14px;display:grid;place-items:center}
.kpi .delta{
  display:inline-flex;align-items:center;gap:5px;font-size:.73rem;font-weight:800;
  padding:4px 10px;border-radius:99px;
}
.delta.up{background:#E6F8F0;color:var(--green)}
.delta.flat{background:#EAF2FF;color:var(--neon)}
.kpi b.val{font-size:1.85rem;font-weight:900;letter-spacing:-1px;line-height:1;font-variant-numeric:tabular-nums}
.kpi span.lbl{font-size:.8rem;color:var(--muted);font-weight:700}

.two-col{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:20px;margin-top:22px}
.panel{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:24px 26px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.panel-head h3{font-size:1.02rem;font-weight:900;display:flex;align-items:center;gap:10px}
.panel-head h3 .ic{color:var(--neon)}
.engagement-val{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.engagement-val b{font-size:2.3rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.engagement-val span{font-size:.78rem;color:var(--muted);font-weight:700}
.chart{display:flex;align-items:flex-end;gap:12px;height:170px;margin-top:22px}
.chart .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:9px;height:100%}
.chart .stem{width:100%;max-width:38px;flex:1;background:#EDF3FD;border-radius:9px;display:flex;align-items:flex-end;overflow:hidden}
.chart .stem>i{display:block;width:100%;height:0;border-radius:9px;background:var(--grad);transition:height 1.2s cubic-bezier(.3,.6,.25,1)}
.chart .col.hi .stem>i{background:linear-gradient(180deg,#19D3FF,#0857FF);box-shadow:0 -4px 18px rgba(8,87,255,.4)}
.chart .col span{font-size:.7rem;color:var(--muted);font-weight:700}
.chart .col.hi span{color:var(--neon)}

.feed li{display:flex;gap:13px;padding:13px 4px;border-bottom:1px dashed var(--line-soft);align-items:flex-start}
.feed li:last-child{border-bottom:none}
.feed .fdot{
  width:40px;height:40px;border-radius:12px;flex:none;display:grid;place-items:center;
  font-weight:900;font-size:.9rem;color:#fff;
}
.feed p{font-size:.84rem;color:var(--slate);font-weight:500;line-height:1.6}
.feed p b{color:var(--ink)}
.feed p b.hi{color:var(--neon)}
.feed time{font-size:.7rem;color:var(--muted);font-weight:600}

.upload-panel{margin-top:22px;position:relative;overflow:hidden}
.upload-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 190px at 92% -30%,rgba(25,211,255,.09),transparent 65%);
}
.steps{display:flex;gap:0;margin-bottom:22px}
.step{flex:1;display:flex;align-items:center;gap:10px;position:relative}
.step:not(:last-child)::after{
  content:"";flex:1;height:2.5px;margin-inline:10px;border-radius:2px;
  background:#E4EDFA;transition:.4s;
}
.step.done:not(:last-child)::after{background:var(--grad)}
.step .n{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:#EEF3FC;color:var(--muted);font-weight:900;font-size:.82rem;
  border:2px solid transparent;transition:.3s;
}
.step .n span{display:inline}
.step .n .ic{display:none;width:17px;height:17px;stroke-width:2.4}
.step.active .n{background:#fff;border-color:var(--neon);color:var(--neon);box-shadow:0 0 0 5px rgba(8,87,255,.12);animation:ringpulse 1.8s infinite}
@keyframes ringpulse{0%,100%{box-shadow:0 0 0 4px rgba(8,87,255,.10)}50%{box-shadow:0 0 0 9px rgba(8,87,255,.05)}}
.step.done .n{background:var(--grad);color:#fff}
.step.done .n span{display:none}
.step.done .n .ic{display:block}
.step em{font-style:normal;font-size:.8rem;font-weight:800;color:var(--muted);white-space:nowrap}
.step.active em{color:var(--neon)}
.step.done em{color:var(--ink)}

.dropzone{
  border:2px dashed #C4D6F5;border-radius:var(--r-lg);
  background:linear-gradient(180deg,#FBFDFF,#F6FAFF);
  padding:46px 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-align:center;cursor:pointer;transition:.25s;position:relative;
}
.dropzone:hover,.dropzone.drag{border-color:var(--neon);background:#F0F6FF;transform:scale(1.006)}
.dropzone.drag{box-shadow:0 0 0 6px rgba(8,87,255,.08)}
.dz-ic{
  width:74px;height:74px;border-radius:22px;background:var(--grad);color:#fff;
  display:grid;place-items:center;box-shadow:var(--glow);margin-bottom:12px;
}
.dz-ic .ic{width:32px;height:32px}
.dropzone h4{font-size:1.06rem;font-weight:900}
.dropzone p{font-size:.8rem;color:var(--muted);font-weight:600;max-width:420px}
.dropzone .browse{color:var(--neon);font-weight:800;text-decoration:underline;text-decoration-color:rgba(8,87,255,.35);text-underline-offset:4px}

.up-file{
  display:none;align-items:center;gap:15px;padding:17px 19px;
  border:1.5px solid var(--line);border-radius:var(--r-md);background:#fff;
}
.up-file.show{display:flex}
.uf-ic{width:46px;height:46px;border-radius:13px;background:#EAF2FF;color:var(--neon);display:grid;place-items:center;flex:none}
.uf-body{flex:1;min-width:0}
.uf-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:9px}
.uf-name{font-size:.9rem;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.uf-pct{font-size:.82rem;font-weight:900;color:var(--neon);direction:ltr;font-variant-numeric:tabular-nums}
.uf-sub{font-size:.74rem;color:var(--muted);font-weight:600}

.phase-opt,.phase-done{display:none;align-items:center;gap:15px;padding:17px 19px;border-radius:var(--r-md)}
.phase-opt.show,.phase-done.show{display:flex}
.phase-opt{background:#F0F6FF;border:1.5px solid #D7E6FF}
.phase-done{background:#E9F9F1;border:1.5px solid #C4EEDA}
.spin{
  width:42px;height:42px;border-radius:50%;flex:none;
  border:3.5px solid #D7E6FF;border-top-color:var(--neon);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.phase-opt b{font-size:.92rem;color:var(--neon)}
.phase-opt p{font-size:.76rem;color:var(--slate);font-weight:600}
.done-check{
  width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;flex:none;
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(14,169,115,.35);
}
.phase-done b{font-size:.92rem;color:#0A7D57}
.phase-done p{font-size:.76rem;color:#33805F;font-weight:600}

.table-panel{margin-top:22px;padding:0;overflow:hidden}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:820px}
thead th{
  text-align:start;font-size:.73rem;font-weight:800;color:var(--muted);letter-spacing:.3px;
  padding:15px 22px;background:#F8FBFF;border-bottom:1px solid var(--line-soft);white-space:nowrap;
}
tbody td{padding:16px 22px;border-bottom:1px solid var(--line-soft);font-size:.87rem;font-weight:600;color:var(--slate);white-space:nowrap;vertical-align:middle}
tbody tr{transition:.15s}
tbody tr:hover{background:#F8FBFF}
tbody tr:last-child td{border-bottom:none}
.cell-user{display:flex;align-items:center;gap:12px}
.cell-user .avatar{width:38px;height:38px;font-size:.8rem;border-radius:12px}
.cell-user b{color:var(--ink);font-weight:800;display:block;font-size:.88rem}
.cell-user span{font-size:.72rem;color:var(--muted);font-weight:600}
.vw{display:flex;align-items:center;gap:11px}
.vw b{font-weight:900;color:var(--ink);direction:ltr;font-variant-numeric:tabular-nums}
.vw .bar{width:74px}
td .les{color:var(--ink);font-weight:700}
td .sub-tag{font-size:.78rem;color:var(--slate)}
td time{font-weight:600;color:var(--slate)}

.toast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:11px;padding:13px 22px;border-radius:99px;
  background:#101E42;color:#fff;font-size:.86rem;font-weight:700;
  box-shadow:0 16px 40px -10px rgba(10,27,61,.5);
  animation:toastIn .35s cubic-bezier(.3,1.4,.5,1);white-space:nowrap;
}
.toast.out{animation:toastOut .3s forwards}
.toast .ic{color:var(--cyan)}
.toast.ok .ic{color:#2EE6A8}
@keyframes toastIn{from{opacity:0;transform:translateY(16px) scale(.94)}}
@keyframes toastOut{to{opacity:0;transform:translateY(12px) scale(.96)}}

@media (max-width:1120px){
  .sc-top{grid-template-columns:auto 1fr auto;gap:26px}
  .sc-divide{display:none}
  .subjects-grid{grid-template-columns:repeat(2,1fr)}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
}
@media (max-width:1024px){
  .side{
    position:fixed;inset-inline-start:0;top:0;transform:translateX(105%);
    box-shadow:var(--shadow-md);transition:transform .35s cubic-bezier(.4,0,.2,1);
  }
  [dir="rtl"] .side{transform:translateX(100%)}
  .admin-shell.side-open .side{transform:none}
  .menu-toggle{display:grid}
  .backdrop{
    position:fixed;inset:0;background:rgba(10,27,61,.4);z-index:39;
    opacity:0;visibility:hidden;transition:.3s;backdrop-filter:blur(3px);
  }
  .admin-shell.side-open .backdrop{opacity:1;visibility:visible}
  .player-layout{grid-template-columns:1fr}
}
@media (max-width:920px){
  .hero-in{flex-direction:column;align-items:flex-start}
  .recents-row{grid-template-columns:1fr}
  .lessons-grid{grid-template-columns:1fr}
  .subject-banner{flex-direction:column;align-items:flex-start;gap:20px}
  .sb-progress{width:100%}
  .main-nav{
    position:absolute;top:76px;inset-inline:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;gap:4px;
    box-shadow:var(--shadow-md);
    display:none;
  }
  .site-header.nav-open .main-nav{display:flex}
  .burger{display:grid}
  .account-tx{display:none}
}
@media (max-width:640px){
  .container{padding-inline:16px}
  .header-actions{gap:8px}
  .logout-lbl{display:none}
  .sc-top{grid-template-columns:1fr;gap:22px;justify-items:start;padding:24px}
  .ring-wrap{margin-inline:auto}
  .sc-stats{gap:20px;flex-wrap:wrap}
  .subjects-grid{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr}
  .search-box{display:none}
  .steps{flex-direction:column;gap:14px}
  .step:not(:last-child)::after{display:none}
  .count-big b{font-size:2.5rem}
  .admin-main{padding-inline:18px}
  .admin-topbar{margin-inline:-18px;padding-inline:18px}
  .demo-nav{inset-inline:14px;justify-content:center;flex-wrap:wrap;border-radius:20px}
  .brand-tx span{display:none}
  .hero{padding-top:34px}
}
.burger{display:none;width:44px;height:44px;border-radius:13px;border:1.5px solid var(--line);place-items:center;color:var(--slate);background:#fff}