:root{--bg: #06050b;--bg2: #0d0b17;--card: #13101f;--card2: #1a1630;--line: #2a2445;--text: #f1eeff;--muted: #9b93bd;--dim: #6c6590;--blue: #39d0ff;--violet: #8b5cff;--pink: #ff4fd8;--volt: #ffd84a;--obs: #b98cff;--ok: #3ef0a1;--warn: #ffb547;--bad: #ff5a76;--glow: 0 0 24px rgba(57, 208, 255, .25), 0 0 48px rgba(139, 92, 255, .18);--r: 18px;--display: "Unbounded", "Inter", system-ui, sans-serif;--body: "Inter", system-ui, -apple-system, sans-serif;--btn-text: #07060d;--btn-bg: linear-gradient(135deg, var(--blue), var(--violet));--btn-shadow: 0 6px 22px rgba(139, 92, 255, .35);--thumb-bg: #fff;--tabs-bg: rgba(8, 7, 14, .88);--bubble-ai: #1a1630;--bubble-me: rgba(139, 92, 255, .25);--uq-skin: #0f0d1a;--uq-stroke: #3a3260;--uq-eye: #39d0ff}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:15px}body{min-height:100vh;background:radial-gradient(120% 60% at 100% 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.sw{width:100%;height:54px;border-radius:10px;display:flex;flex-direction:column;justify-content:flex-end;padding:6px;gap:4px}.theme-card .sw i{display:block;height:6px;border-radius:4px}.theme-card.neon .sw{background:#06050b;border:1px solid #2a2445}.theme-card.neon .sw i:nth-child(1){background:linear-gradient(90deg,#39d0ff,#8b5cff)}.theme-card.neon .sw i:nth-child(2){background:#ffd84a;width:60%}.theme-card.aurora .sw{background:radial-gradient(80% 60% at 20% 10%,rgba(124,245,200,.55),transparent 60%),radial-gradient(70% 60% at 90% 30%,rgba(185,166,255,.5),transparent 60%),#070b1f}.theme-card.aurora .sw i:nth-child(1){background:#ffffff40}.theme-card.aurora .sw i:nth-child(2){background:#7cf5c8;width:60%}.theme-card.comic .sw{background:#ffe45c;border:2px solid #111;box-shadow:3px 3px #111}.theme-card.comic .sw i:nth-child(1){background:#fff;border:2px solid #111;height:10px}.theme-card.comic .sw i:nth-child(2){background:#ff3b30;border:2px solid #111;width:60%;height:8px}.onb{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:var(--bg);display:flex;flex-direction:column;padding:calc(20px + env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom))}.onb .slide{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;animation:pop .35s ease}.onb .slide .big{font-size:64px}.onb .slide .h1{font-size:26px}.onb .slide p{color:var(--muted);font-size:16px;line-height:1.5;max-width:420px;margin:0}.onb .dots{margin:10px 0 16px}.onb .nav{display:flex;gap:10px}.lesson-line{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.grade-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.grade-grid button{padding:14px 0;border-radius:14px;background:var(--card);border:1px solid var(--line);font-family:var(--display);font-weight:800;font-size:20px}.grade-grid button.on{border-color:var(--volt);color:var(--volt);box-shadow:0 0 16px #ffd84a59}.step{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step .n{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:13px;background:var(--bg2);border:1px solid var(--line);flex:none}.step.done .n{background:var(--ok);color:#04130c;border-color:var(--ok)}.step.open .n{background:var(--violet);color:#fff;border-color:var(--violet);box-shadow:var(--glow)}.step.locked{opacity:.5}.upload-note{font-size:12px;color:var(--dim);margin-top:6px}[data-theme=aurora]{--bg: #070b1f;--bg2: #0c1230;--card: rgba(255, 255, 255, .07);--card2: rgba(255, 255, 255, .12);--line: rgba(255, 255, 255, .14);--text: #f3f5ff;--muted: #aab3d6;--dim: #7f88b0;--blue: #7cf5c8;--violet: #b9a6ff;--pink: #ff9ad5;--volt: #ffd66b;--obs: #d2c4ff;--ok: #7cf5c8;--warn: #ffc46b;--bad: #ff7a93;--glow: 0 0 30px rgba(124, 245, 200, .18), 0 0 60px rgba(185, 166, 255, .14);--r: 20px;--display: "Manrope", "Inter", system-ui, sans-serif;--body: "Manrope", "Inter", system-ui, sans-serif;--btn-text: #06111a;--btn-bg: linear-gradient(135deg, #7cf5c8, #b9a6ff);--btn-shadow: 0 8px 26px rgba(124, 245, 200, .25);--tabs-bg: rgba(10, 16, 40, .72);--bubble-ai: rgba(255, 255, 255, .09);--bubble-me: rgba(124, 245, 200, .18);--uq-skin: #121a3a;--uq-stroke: rgba(255, 255, 255, .25);--uq-eye: #7cf5c8}[data-theme=aurora] body{background:var(--bg)}[data-theme=aurora] body:before,[data-theme=aurora] body:after{content:"";position:fixed;z-index:-1;border-radius:50%;filter:blur(70px);pointer-events:none}[data-theme=aurora] body:before{width:90vw;height:90vw;left:-25vw;top:-30vw;background:radial-gradient(closest-side,rgba(124,245,200,.6),transparent);animation:drift 16s ease-in-out infinite alternate}[data-theme=aurora] body:after{width:100vw;height:100vw;right:-40vw;top:5vh;background:radial-gradient(closest-side,rgba(185,166,255,.6),rgba(255,154,213,.28) 60%,transparent);animation:drift 22s ease-in-out infinite alternate-reverse}@keyframes drift{to{transform:translate(8vw,10vh) scale(1.1)}}[data-theme=aurora] .card,[data-theme=aurora] .tile,[data-theme=aurora] .item,[data-theme=aurora] .stat>div,[data-theme=aurora] .ach,[data-theme=aurora] .slot,[data-theme=aurora] .opt,[data-theme=aurora] .uq-bubble{backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}[data-theme=aurora] .h1{font-weight:800;letter-spacing:-.02em}[data-theme=aurora] .h2{letter-spacing:.06em}[data-theme=aurora] .tabs{left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));padding:8px;border-radius:26px;border:1px solid var(--line);background:var(--tabs-bg)}[data-theme=aurora] .tabs button.on .ic{text-shadow:0 0 14px rgba(124,245,200,.9)}[data-theme=aurora] .card.glow{border-color:#7cf5c873}[data-theme=aurora] .bar>i{background:linear-gradient(90deg,var(--blue),var(--violet));box-shadow:0 0 12px #7cf5c880}[data-theme=aurora] .chip.on{border-color:var(--blue);background:#7cf5c824}[data-theme=aurora] .seg button.on{box-shadow:inset 0 0 0 1px var(--blue)}[data-theme=aurora] .overcharge{background:linear-gradient(135deg,#ffd66b33,#ff9ad529);border-color:#ffd66b8c}[data-theme=aurora] .tile:after{background:radial-gradient(closest-side,rgba(124,245,200,.28),transparent)}[data-theme=aurora] .mascot{background:var(--card2);border-color:var(--line)}[data-theme=aurora] .uq-fab{border-color:#7cf5c880;background:#0c1230d9;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}[data-theme=aurora] .readbar .btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}[data-theme=comic]{--bg: #ffe45c;--bg2: #fff6c2;--card: #ffffff;--card2: #fff3c4;--line: #111111;--text: #111111;--muted: #4a4a4a;--dim: #6b6b6b;--blue: #2f7cff;--violet: #ff3b30;--pink: #ff3b30;--volt: #d98a00;--obs: #8a4fff;--ok: #2ecc71;--warn: #ff9500;--bad: #ff3b30;--glow: 6px 6px 0 #111;--r: 16px;--display: "Bangers", "Nunito", system-ui, sans-serif;--body: "Nunito", system-ui, -apple-system, sans-serif;--btn-text: #ffffff;--btn-bg: #2f7cff;--btn-shadow: 4px 4px 0 #111;--tabs-bg: #ffffff;--bubble-ai: #ffffff;--bubble-me: #dbe9ff;--uq-skin: #1a1a1a;--uq-stroke: #111;--uq-eye: #2f7cff}[data-theme=comic] body{background-color:var(--bg);background-image:radial-gradient(#e8c93a 1.6px,transparent 1.6px);background-size:14px 14px;font-weight:700}[data-theme=comic] .h1{font-weight:400;font-size:28px;letter-spacing:.03em;text-shadow:2px 2px 0 #fff}[data-theme=comic] .h2{font-weight:400;font-size:18px;letter-spacing:.06em;color:#111}[data-theme=comic] .card,[data-theme=comic] .tile,[data-theme=comic] .item,[data-theme=comic] .stat>div,[data-theme=comic] .ach,[data-theme=comic] .slot,[data-theme=comic] .opt,[data-theme=comic] .uq-bubble,[data-theme=comic] .theme-card,[data-theme=comic] .step .n,[data-theme=comic] .grade-grid button{border:3px solid #111;box-shadow:5px 5px #111}[data-theme=comic] .card.glow{border-color:#111;box-shadow:6px 6px #111}[data-theme=comic] .tile:after{display:none}[data-theme=comic] .tiles .tile:nth-child(1){transform:rotate(-1.5deg)}[data-theme=comic] .tiles .tile:nth-child(2){transform:rotate(1deg)}[data-theme=comic] .tiles .tile:nth-child(3){transform:rotate(-.8deg)}[data-theme=comic] .tile .sub{color:#555;font-weight:800}[data-theme=comic] .btn{border:3px solid #111;box-shadow:4px 4px #111;font-weight:900}[data-theme=comic] .btn:active{transform:translate(2px,2px);box-shadow:2px 2px #111}[data-theme=comic] .btn.ghost{background:#fff;color:#111;box-shadow:3px 3px #111}[data-theme=comic] .btn.ok{background:#2ecc71;color:#111;box-shadow:4px 4px #111}[data-theme=comic] .btn.bad{background:#fff;color:#ff3b30;border-color:#111;box-shadow:3px 3px #111}[data-theme=comic] .btn.sm{box-shadow:3px 3px #111}[data-theme=comic] .bar{height:16px;border:3px solid #111;background:#fff}[data-theme=comic] .bar>i{background:#2f7cff;box-shadow:none;border-right:3px solid #111;border-radius:0}[data-theme=comic] .bar.volt>i{background:#ffb300;background-image:repeating-linear-gradient(135deg,transparent 0 8px,rgba(255,255,255,.45) 8px 16px)}[data-theme=comic] .bar.big{height:20px}[data-theme=comic] .chip{background:#fff;border:2px solid #111;color:#111;font-weight:900}[data-theme=comic] .chip.on{background:#2f7cff;color:#fff}[data-theme=comic] .chip.ok{background:#2ecc71;color:#111}[data-theme=comic] .chip.warn{background:#ff9500;color:#111}[data-theme=comic] .chip.bad{background:#ff3b30;color:#fff}[data-theme=comic] .seg{background:#fff;border:3px solid #111}[data-theme=comic] .seg button{color:#555}[data-theme=comic] .seg button.on{background:#ffe45c;color:#111;box-shadow:inset 0 0 0 2px #111}[data-theme=comic] input,[data-theme=comic] textarea,[data-theme=comic] select{background:#fff;border:3px solid #111}[data-theme=comic] input:focus,[data-theme=comic] textarea:focus{border-color:#2f7cff}[data-theme=comic] .tabs{background:#fff;border-top:3px solid #111;-webkit-backdrop-filter:none;backdrop-filter:none}[data-theme=comic] .tabs button{font-family:var(--display);font-size:13px;letter-spacing:.05em;font-weight:400;color:#888}[data-theme=comic] .tabs button.on{color:#111}[data-theme=comic] .tabs button.on .ic{text-shadow:none}[data-theme=comic] .badge{border:2px solid #111}[data-theme=comic] .quest .em{background:#fff3c4;border:2px solid #111}[data-theme=comic] .quest{border-bottom:2px dashed #ddd}[data-theme=comic] .sheet{background:#fff;border:3px solid #111;border-bottom:0}[data-theme=comic] .sheet .grab{background:#111}[data-theme=comic] .toast{background:#fff;border:3px solid #111;box-shadow:4px 4px #111}[data-theme=comic] .overcharge{background:#ff3b30;color:#fff}[data-theme=comic] .overcharge .dim,[data-theme=comic] .overcharge .v{color:#fff}[data-theme=comic] .overcharge{position:relative}[data-theme=comic] .overcharge:after{content:"×2!";position:absolute;right:-8px;top:-22px;width:64px;height:64px;display:grid;place-items:center;font-family:var(--display);font-size:22px;color:#fff;background:#ff3b30;border:3px solid #111;clip-path:polygon(50% 0%,61% 20%,84% 12%,78% 36%,100% 50%,78% 64%,84% 88%,61% 80%,50% 100%,39% 80%,16% 88%,22% 64%,0% 50%,22% 36%,16% 12%,39% 20%);transform:rotate(10deg);-webkit-text-stroke:1px #111}[data-theme=comic] .holiday{background:#2ecc71;color:#111;border-color:#111;transform:rotate(.8deg)}[data-theme=comic] .holiday .dim{color:#114d2a}[data-theme=comic] .mascot{background:#2f7cff;border:3px solid #111;box-shadow:4px 4px #111;transform:rotate(-4deg)}[data-theme=comic] .stat b{font-weight:400;font-size:24px;letter-spacing:.04em}[data-theme=comic] .setup-step .n{border:2px solid #111;background:#fff;color:#111}[data-theme=comic] .setup-step.got .n{background:#2ecc71}[data-theme=comic] .setup-step.cur .n{background:#2f7cff;color:#fff;box-shadow:none}[data-theme=comic] .slot-ic{border:2px solid #111;background:#fff}[data-theme=comic] .slot.active{border-color:#111;box-shadow:5px 5px #2f7cff}[data-theme=comic] .slot.done .slot-ic{background:#2ecc71;color:#111}[data-theme=comic] .slot.wait .slot-ic{background:#ff9500;color:#111}[data-theme=comic] .uq-fab{background:#fff;border:3px solid #111;box-shadow:4px 4px #111;transform:rotate(-4deg)}[data-theme=comic] .uq-bubble:before{border-left:3px solid #111;border-bottom:3px solid #111;left:-8px}[data-theme=comic] .msg.ai,[data-theme=comic] .msg.me{border:2px solid #111}[data-theme=comic] .ach.done .ic{background:#ffb300;border:2px solid #111;box-shadow:2px 2px #111}[data-theme=comic] .ach .ic{border:2px solid #111;background:#fff}[data-theme=comic] .ach.done{border-color:#111}[data-theme=comic] .ring .track{stroke:#fff;stroke-width:12}[data-theme=comic] .ring .val{stroke:#ffb300;filter:none}[data-theme=comic] .theme-card.on{border-color:#2f7cff;box-shadow:5px 5px #2f7cff}[data-theme=comic] .ayah .la{color:#2f7cff}[data-theme=comic] .word{background:#fff;border:2px solid #111}[data-theme=comic] .ayah.playing{background:#fff3c4;border-left:4px solid #2f7cff}[data-theme=comic] .ayah.in{background:#fff8d6}[data-theme=comic] .ayah.end .num{background:#2f7cff;border-color:#111}[data-theme=comic] .onb{background:var(--bg);background-image:radial-gradient(#e8c93a 1.6px,transparent 1.6px);background-size:14px 14px}[data-theme=comic] audio{filter:none}[data-theme=comic] .step.open .n{background:#2f7cff;color:#fff}[data-theme=comic] .step.done .n{background:#2ecc71;color:#111}[data-theme=comic] .grade-grid button.on{background:#ffb300;color:#111;box-shadow:3px 3px #111}[data-theme=comic] .readbar .btn{box-shadow:4px 4px #111}