:root{
  --bg:#fff7e6; --bg2:#fdeccb; --card:#ffffff; --ink:#2b2347; --muted:#6f6786;
  --saffron:#f4a127; --saffron-dark:#c97a0a; --red:#e2574c; --teal:#12979b; --purple:#7b5cc7; --green:#5aa552; --pink:#ee6fa4; --blue:#3b82d6;
  --shadow:0 6px 0 rgba(43,35,71,.10); --radius:22px; --font:"Nunito","Segoe UI",system-ui,-apple-system,Arial,sans-serif;
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:18px;line-height:1.45;min-height:100vh}
body.hindi .en-only{display:none} body:not(.hindi) .hi-only{display:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0}
a{color:var(--teal)} input,select,textarea{font-family:inherit;font-size:17px;padding:12px 14px;border:2px solid #e3d3b3;border-radius:14px;width:100%;background:#fff;color:var(--ink)}
label{display:block;font-weight:800;font-size:15px;margin:10px 0 4px;color:var(--muted)}
.boot{padding:60px;text-align:center;font-size:24px}
.hidden{display:none!important}

/* layout */
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,247,230,.95);backdrop-filter:blur(8px);border-bottom:3px solid #f3dfb5;padding:10px 16px;display:flex;align-items:center;gap:12px}
.topbar .logo{font-weight:900;font-size:22px;display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink)}
.topbar .logo span{background:var(--saffron);border-radius:14px;padding:4px 8px;box-shadow:0 4px 0 var(--saffron-dark)}
.topbar .spacer{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;background:#fff;border:2px solid #f0dcb4;border-radius:999px;padding:8px 14px;font-weight:800;color:var(--ink)}
.pill.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.page{max-width:1080px;margin:0 auto;padding:18px 16px 110px}
.nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:3px solid #f3dfb5;display:flex;z-index:20;padding-bottom:env(safe-area-inset-bottom)}
.nav a{flex:1;text-align:center;padding:10px 4px;text-decoration:none;color:var(--muted);font-weight:800;font-size:13px;display:flex;flex-direction:column;align-items:center;gap:2px}
.nav a i{font-style:normal;font-size:24px} .nav a.active{color:var(--saffron-dark)}
@media(min-width:900px){.nav{position:sticky;top:64px;bottom:auto;border-top:0;border-bottom:3px solid #f3dfb5;justify-content:center} .nav a{flex:0 0 130px;flex-direction:row;font-size:16px} .page{padding-bottom:40px}}

h1{font-size:34px;line-height:1.1;margin:8px 0 6px;font-weight:900} h2{font-size:24px;margin:24px 0 10px;font-weight:900} h3{font-size:20px;margin:14px 0 6px;font-weight:900}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:var(--saffron-dark)}
.muted{color:var(--muted)} .small{font-size:15px}
.card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:2px solid #f5e6c8}
.card+.card{margin-top:14px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--saffron);color:var(--ink);font-weight:900;padding:14px 22px;border-radius:999px;box-shadow:0 5px 0 var(--saffron-dark);transition:transform .08s;text-decoration:none;font-size:18px}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--saffron-dark)}
.btn.big{font-size:24px;padding:20px 32px;width:100%}
.btn.red{background:var(--red);color:#fff;box-shadow:0 5px 0 #a73a31} .btn.teal{background:var(--teal);color:#fff;box-shadow:0 5px 0 #0b6a6d} .btn.purple{background:var(--purple);color:#fff;box-shadow:0 5px 0 #553c96} .btn.green{background:var(--green);color:#fff;box-shadow:0 5px 0 #3b7a35}
.btn.ghost{background:#fff;box-shadow:0 5px 0 #e3d3b3;border:2px solid #e3d3b3} .btn.sm{font-size:15px;padding:9px 16px;box-shadow:0 3px 0 rgba(0,0,0,.15)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* home */
.today{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--week-color,#f4a127),#fff2d0 140%);border-radius:28px;padding:26px 22px;box-shadow:0 10px 0 rgba(43,35,71,.12);color:var(--ink)}
.today .big-emoji{font-size:110px;line-height:1;position:absolute;right:14px;top:6px;opacity:.9;filter:drop-shadow(0 6px 0 rgba(0,0,0,.1))}
.today h1{font-size:40px;max-width:70%}
.today .type{display:inline-block;background:rgba(255,255,255,.7);border-radius:999px;padding:6px 14px;font-weight:900;margin-bottom:8px}
.week-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:16px}
.week-strip a{text-decoration:none;color:var(--ink);background:#fff;border-radius:16px;padding:10px 4px;text-align:center;border:3px solid transparent;box-shadow:var(--shadow)}
.week-strip a .d{font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--muted)} .week-strip a .e{font-size:28px} .week-strip a .t{font-size:12px;font-weight:800;line-height:1.1;margin-top:2px}
.week-strip a.today-day{border-color:var(--ink)} .week-strip a.done{background:#e8f7e6} .week-strip a.locked{opacity:.45}
.stars-line{font-size:22px;letter-spacing:2px}

/* lesson */
.hero{border-radius:26px;overflow:hidden;background:#1d1733;box-shadow:0 10px 0 rgba(43,35,71,.14);position:relative}
.hero .video{position:relative;padding-top:56.25%;background:#000} .hero .video iframe,.hero .video video{position:absolute;inset:0;width:100%;height:100%;border:0}
.book{background:linear-gradient(160deg,#2c2450,#1d1733);color:#fff;padding:22px;min-height:320px;display:flex;flex-direction:column}
.book .pg{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center}
.book .pg .art{font-size:88px;line-height:1;margin-bottom:12px;filter:drop-shadow(0 8px 0 rgba(0,0,0,.25))}
.book .pg .art img{max-height:min(60vh,520px);max-width:100%;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.book .pg p{font-size:24px;line-height:1.35;font-weight:800;margin:6px 0;max-width:720px;margin-inline:auto}
.book .pg p.hi{font-size:22px;color:#ffd98a;font-weight:700}
.book .ctl{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:14px}
.book .ctl .dots{display:flex;gap:5px} .book .ctl .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3)} .book .ctl .dots i.on{background:var(--saffron)}
.book .btn{background:rgba(255,255,255,.15);color:#fff;box-shadow:none;border:2px solid rgba(255,255,255,.3);padding:10px 16px;font-size:16px}
.book .btn.play{background:var(--saffron);color:var(--ink);border-color:var(--saffron)}
.speaker{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#ffd98a;font-weight:900;margin-bottom:4px}
.word-card{display:flex;gap:14px;align-items:center;background:#fff8e8;border:2px dashed var(--saffron);border-radius:18px;padding:12px 16px;margin-top:14px}
.word-card b{font-size:26px} .word-card .hi{font-size:22px;color:var(--saffron-dark)}
.section-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;margin-right:8px}
.steps{list-style:none;padding:0;margin:0} .steps li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed #eee0c4;font-size:19px} .steps li:last-child{border:0}
.steps li .n{flex:0 0 32px;height:32px;border-radius:50%;background:var(--saffron);display:grid;place-items:center;font-weight:900}
.chips{display:flex;gap:8px;flex-wrap:wrap} .chip{background:#f3ecdd;border-radius:999px;padding:6px 12px;font-weight:800;font-size:15px}
.talk-q{background:#eef8f8;border-left:6px solid var(--teal);border-radius:14px;padding:12px 16px;margin:8px 0;font-size:20px;font-weight:800}
.quiz-q{font-size:22px;font-weight:900;margin-bottom:10px}
.choices{display:grid;gap:10px} .choice{background:#fff;border:3px solid #eadfc6;border-radius:18px;padding:14px 16px;text-align:left;font-weight:800;font-size:19px;display:flex;gap:12px;align-items:center;color:var(--ink)}
.choice .l{flex:0 0 36px;height:36px;border-radius:50%;background:#f3ecdd;display:grid;place-items:center;font-weight:900}
.choice.right{background:#e8f7e6;border-color:var(--green)} .choice.wrong{background:#fdeceb;border-color:var(--red)} .choice[disabled]{cursor:default}
.quiz-nav{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
details{background:#fbf3e3;border-radius:16px;padding:12px 16px;margin-top:16px} summary{font-weight:900;cursor:pointer;font-size:17px}
.done-banner{background:linear-gradient(135deg,#ffe29a,#ffc46b);border-radius:24px;padding:24px;text-align:center;font-size:24px;font-weight:900;margin-top:16px}
.done-banner .stars{font-size:40px}
.shloka-line{background:#fff;border:3px solid #eadfc6;border-radius:18px;padding:14px 16px;margin:10px 0;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}
.shloka-line.on{border-color:var(--saffron);background:#fff8e8}
.shloka-line .dev{font-size:30px;font-weight:900;line-height:1.3} .shloka-line .rom{font-size:18px;color:var(--saffron-dark);font-weight:800} .shloka-line .mean{font-size:15px;color:var(--muted)}
.yourturn{text-align:center;font-size:26px;font-weight:900;color:var(--teal);padding:10px;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.4}}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:50;overflow:hidden}
.confetti i{position:absolute;top:-20px;width:12px;height:18px;border-radius:3px;animation:fall 2.4s linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.2}}

/* shelf */
.shelf{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.cover{text-decoration:none;color:var(--ink);background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:2px solid #f5e6c8;display:flex;flex-direction:column}
.cover .art{aspect-ratio:4/3;display:grid;place-items:center;font-size:64px;background:var(--c,#fdeccb);position:relative}
.cover .art img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cover .art .badge{position:absolute;right:8px;top:8px;background:#fff;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:900}
.cover .t{padding:10px 12px;font-weight:900;font-size:15px;line-height:1.2} .cover .s{padding:0 12px 10px;font-size:12px;color:var(--muted);font-weight:800}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 14px}

/* progress */
.stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}
.stat div{background:#fff;border-radius:18px;padding:14px;text-align:center;box-shadow:var(--shadow);border:2px solid #f5e6c8}
.stat b{font-size:34px;display:block} .stat span{font-size:13px;font-weight:800;color:var(--muted)}
.weekmap{display:grid;grid-template-columns:auto repeat(7,1fr);gap:6px;align-items:center;font-size:14px;font-weight:800}
.weekmap .cell{aspect-ratio:1;border-radius:10px;background:#f3ecdd;display:grid;place-items:center;font-size:18px} .weekmap .cell.done{background:#ffe29a} .weekmap .cell.perfect{background:#ffd166}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px}
.badge-card{background:#fff;border-radius:16px;padding:12px 8px;text-align:center;border:2px solid #f5e6c8;box-shadow:var(--shadow)} .badge-card .e{font-size:38px} .badge-card b{display:block;font-size:13px;margin-top:4px} .badge-card.off{opacity:.35;filter:grayscale(1)}
.profile-btn{display:flex;align-items:center;gap:10px;background:#fff;border:3px solid #f0dcb4;border-radius:999px;padding:6px 14px 6px 6px;font-weight:900}
.profile-btn .av{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:22px;background:var(--pc,#ffe29a)}
.profiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.profile-card{background:#fff;border-radius:20px;padding:18px;text-align:center;border:3px solid transparent;box-shadow:var(--shadow)} .profile-card.on{border-color:var(--ink)} .profile-card .av{font-size:50px}
.certificate{background:#fff;border:12px double var(--saffron);padding:40px;text-align:center;border-radius:12px;margin-top:16px}
.certificate h1{font-size:40px} .certificate .name{font-size:48px;color:var(--saffron-dark);font-weight:900}
@media print{.topbar,.nav,.no-print{display:none!important} .page{padding:0} body{background:#fff}}

/* circle */
.countdown{display:flex;gap:10px;justify-content:center;margin:12px 0} .countdown div{background:var(--ink);color:#fff;border-radius:16px;padding:10px 14px;min-width:78px;text-align:center} .countdown b{font-size:32px;display:block} .countdown span{font-size:12px;opacity:.7}
.segment{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;background:#fff;border:3px solid #f0dcb4;margin:8px 0} .segment.on{border-color:var(--saffron);background:#fff8e8} .segment.past{opacity:.5}
.segment .t{flex:1;font-weight:900;font-size:19px} .segment .m{font-weight:900;color:var(--muted)}
.timer-big{font-size:72px;font-weight:900;text-align:center;font-variant-numeric:tabular-nums;line-height:1}
.timer-big.warn{color:var(--red)}
.scoreboard{display:grid;gap:10px} .score-row{display:flex;align-items:center;gap:12px;background:#fff;border-radius:16px;padding:10px 14px;border:2px solid #f5e6c8} .score-row .n{flex:1;font-weight:900;font-size:20px} .score-row b{font-size:28px;min-width:40px;text-align:center}
.screenshare .topbar,.screenshare .nav{display:none} .screenshare .page{max-width:1400px} .screenshare .btn{font-size:26px;padding:20px 30px} .screenshare .segment .t{font-size:30px} .screenshare .timer-big{font-size:140px}

/* games */
.memory{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:520px;margin:0 auto}
.mcard{aspect-ratio:1;border-radius:16px;background:var(--purple);display:grid;place-items:center;font-size:36px;color:#fff;box-shadow:0 5px 0 #553c96;transition:transform .2s;padding:4px;text-align:center}
.mcard.flip{background:#fff;color:var(--ink);box-shadow:0 5px 0 #e3d3b3;border:3px solid var(--purple)} .mcard.match{background:#e8f7e6;border-color:var(--green);box-shadow:none}
.mcard small{font-size:12px;font-weight:900;display:block;line-height:1.1}
.game-tile{text-decoration:none;color:var(--ink);background:#fff;border-radius:22px;padding:20px;box-shadow:var(--shadow);border:2px solid #f5e6c8;display:flex;flex-direction:column;gap:6px} .game-tile .e{font-size:48px} .game-tile b{font-size:20px}
.diya-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;max-width:520px;margin:0 auto} .diya{aspect-ratio:1;font-size:44px;display:grid;place-items:center;background:#2c2450;border-radius:18px;filter:grayscale(1) brightness(.5);transition:filter .3s} .diya.lit{filter:none;background:#3a2f66;box-shadow:0 0 30px #ffb347}
.ocean{position:relative;height:260px;background:linear-gradient(#bfe6ff,#2f8fd8 70%,#1b5e9e);border-radius:22px;overflow:hidden;user-select:none} .ocean .h{position:absolute;left:40px;bottom:30px;font-size:60px;transition:bottom .25s} .ocean .h.jump{bottom:150px} .ocean .w{position:absolute;bottom:20px;font-size:48px;animation:wave 2.2s linear infinite} @keyframes wave{from{left:110%}to{left:-60px}}
.stack{position:relative;height:300px;background:linear-gradient(#fff5dc,#ffe0a8);border-radius:22px;overflow:hidden;user-select:none} .stack .pot{position:absolute;bottom:0;left:50%;transform:translateX(-50%);font-size:44px;line-height:1} .stack .mover{position:absolute;top:10px;font-size:44px;animation:slide 1.6s ease-in-out infinite alternate} @keyframes slide{from{left:5%}to{left:85%}}
.sorter{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px} .sorter .month{background:#fff;border-radius:16px;padding:10px;min-height:90px;border:3px dashed #eadfc6} .sorter .month b{display:block;font-size:14px;color:var(--muted)} .fest{display:inline-block;background:#ffe29a;border-radius:999px;padding:6px 12px;font-weight:900;margin:4px 4px 0 0;cursor:pointer;font-size:15px} .fest.on{background:var(--ink);color:#fff}
.seq{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px} .seq .pgc{background:#fff;border-radius:16px;padding:12px;border:3px solid #eadfc6;font-weight:800;font-size:15px;cursor:pointer;min-height:110px} .seq .pgc.on{border-color:var(--ink)} .seq .pgc .k{font-size:28px}
.rangoli{display:grid;grid-template-columns:repeat(15,1fr);gap:2px;max-width:480px;margin:0 auto;background:#fff;padding:8px;border-radius:16px;border:3px solid #eadfc6} .rangoli i{aspect-ratio:1;border-radius:50%;background:#f3ecdd;display:block}
.palette{display:flex;gap:8px;justify-content:center;margin:12px 0} .palette i{width:34px;height:34px;border-radius:50%;display:block;border:3px solid #fff;box-shadow:0 0 0 2px #ddd;cursor:pointer} .palette i.on{box-shadow:0 0 0 3px var(--ink)}

/* studio */
.tracker{width:100%;border-collapse:collapse;font-size:14px} .tracker th,.tracker td{padding:8px 6px;border-bottom:1px solid #eee0c4;text-align:left;vertical-align:top} .tracker td input{padding:6px 8px;font-size:13px;border-radius:8px}
.tracker .ok{color:var(--green);font-weight:900} .tracker .no{color:var(--red);font-weight:900}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;font-weight:900;z-index:60;animation:pop .2s}
@keyframes pop{from{transform:translate(-50%,10px);opacity:0}}
.modal{position:fixed;inset:0;background:rgba(43,35,71,.55);display:grid;place-items:center;z-index:70;padding:16px} .modal .card{width:min(560px,100%);max-height:90vh;overflow:auto}
.hi-text{font-family:"Nirmala UI","Noto Sans Devanagari","Mangal",var(--font)}