:root{--bg: #f4f0e6;--bg-2: #ece5d2;--surface: #ffffff;--ink: #1f2a33;--muted: #5b6b73;--primary: #0f766e;--primary-dark: #0b5f59;--gold: #d97706;--amber: #e9a319;--correct: #16a34a;--danger: #c0392b;--border: #e5dec9;--shadow: 0 18px 45px rgba(31, 42, 51, .12);--radius: 18px;--font-head: "Baloo Bhaijaan 2", "Tajawal", system-ui, sans-serif;--font-body: "Tajawal", system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font-body);color:var(--ink);background:radial-gradient(1100px 500px at 85% -10%,rgba(15,118,110,.14),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(217,119,6,.12),transparent 60%),var(--bg);-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}h1,h2{font-family:var(--font-head);margin:0}button{font-family:var(--font-body);cursor:pointer;border:none;background:none;color:inherit}.glass{background:#ffffffb8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow);border-radius:22px}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}.setup{width:100%;max-width:520px}.setup-card{padding:34px 30px;text-align:center;animation:fadeUp .5s ease both}.brand-pill{display:inline-flex;align-items:center;gap:7px;background:#0f766e1a;color:var(--primary-dark);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px}.setup-title{font-size:clamp(2rem,6vw,2.9rem);font-weight:800;margin-top:14px;color:var(--ink);letter-spacing:-.5px}.setup-sub{color:var(--muted);line-height:1.8;margin:10px 0 26px;font-size:15px}.field{text-align:right;margin-bottom:20px}.field-label{display:flex;align-items:center;gap:7px;font-weight:700;color:var(--ink);margin-bottom:10px;font-size:14px}.stepper{display:flex;align-items:center;gap:14px}.step-btn{width:44px;height:44px;border-radius:12px;background:#0f766e1a;color:var(--primary-dark);display:grid;place-items:center;transition:transform .2s ease,background .2s ease}.step-btn:hover{background:#0f766e33;transform:translateY(-2px)}.step-value{font-family:var(--font-head);font-size:1.5rem;font-weight:700;min-width:30px}.names{display:grid;gap:10px;margin-bottom:22px}.name-field{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:4px 12px;transition:border-color .2s ease,box-shadow .2s ease}.name-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #0f766e26}.name-field .dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}.name-field input{flex:1;border:none;outline:none;font-family:var(--font-body);font-size:15px;padding:11px 0;background:transparent;color:var(--ink)}.primary-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-weight:800;font-size:16px;padding:15px 20px;border-radius:14px;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;box-shadow:0 10px 24px #0f766e4d}.primary-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 16px 30px #0f766e5c}.primary-btn:disabled{opacity:.45;cursor:not-allowed}.setup-note{display:flex;align-items:center;justify-content:center;gap:6px;color:var(--muted);font-size:13px;margin-top:16px}.race{width:100%;max-width:720px;animation:fadeUp .45s ease both}.race-top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}.current-player{display:flex;align-items:center;gap:11px;background:var(--surface);border:2px solid var(--primary);border-radius:16px;padding:8px 14px;box-shadow:0 8px 20px #1f2a3314}.car{display:grid;place-items:center;color:#fff;font-family:var(--font-head);font-weight:700;width:34px;height:34px;border-radius:50%;font-size:15px;box-shadow:inset 0 -3px #0003}.car.big{width:40px;height:40px;font-size:18px}.cp-name{font-weight:800;font-size:15px}.cp-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12.5px;margin-top:2px}.cp-meta svg{vertical-align:middle}.streak{display:inline-flex;align-items:center;gap:3px;color:var(--gold);font-weight:700}.timer{display:flex;align-items:center;gap:9px;color:var(--primary-dark);flex:1;min-width:160px}.timer-bar{flex:1;height:10px;background:#0f766e24;border-radius:999px;overflow:hidden}.timer-fill{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#14b8a6);border-radius:999px;transition:width 1s linear,background .3s ease}.timer-fill.low{background:linear-gradient(90deg,var(--danger),#ef4444)}.timer-num{font-family:var(--font-head);font-weight:800;font-size:18px;min-width:24px;text-align:center}.timer-num.low{color:var(--danger);animation:pulse .5s ease infinite}.track{background:#fff9;border:1px solid var(--border);border-radius:18px;padding:12px 14px;display:grid;gap:10px;margin-bottom:16px;overflow-x:auto}.lane{display:flex;align-items:center;gap:10px;min-width:520px}.lane-chip{display:flex;align-items:center;gap:7px;background:var(--surface);border:1px solid;border-radius:999px;padding:4px 10px 4px 6px;min-width:108px}.lane-dot{display:grid;place-items:center;color:#fff;font-family:var(--font-head);font-weight:700;width:24px;height:24px;border-radius:50%;font-size:12px}.lane-name{font-weight:700;font-size:13px;flex:1;white-space:nowrap}.lane-score{font-weight:800;color:var(--gold);font-size:12px}.lane-cells{display:flex;gap:4px;flex:1}.cell{position:relative;flex:1;height:34px;background:#f3eee0;border-radius:8px;display:grid;place-items:center;color:#b8a97e;transition:background .2s ease}.cell.finish{background:repeating-conic-gradient(#e9e2cf,#e9e2cf 25%,#d8cfb6 0%,#d8cfb6 50%) 0 0 / 12px 12px;color:var(--ink)}.cell .car{width:28px;height:28px;font-size:12px;animation:pop .35s ease}.question-card{padding:24px}.q-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.cat{background:#d9770624;color:var(--gold);font-weight:800;font-size:12.5px;padding:4px 12px;border-radius:999px}.q-count{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12.5px}.q-text{font-size:clamp(1.15rem,3.4vw,1.5rem);font-weight:700;line-height:1.6;margin-bottom:18px}.options{display:grid;gap:10px}.option{display:flex;align-items:center;gap:12px;width:100%;text-align:right;background:var(--surface);border:2px solid var(--border);border-radius:14px;padding:13px 16px;font-size:15.5px;font-weight:500;transition:transform .16s ease,border-color .16s ease,background .16s ease,box-shadow .16s ease}.option:hover:not(:disabled){border-color:var(--primary);transform:translateY(-2px);box-shadow:0 10px 20px #0f766e24}.option:focus-visible{outline:3px solid rgba(15,118,110,.4);outline-offset:2px}.opt-key{flex-shrink:0;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#0f766e1a;color:var(--primary-dark);font-family:var(--font-head);font-weight:700}.opt-text{flex:1}.option.correct{border-color:var(--correct);background:#16a34a1a;color:#15803d}.option.correct .opt-key{background:var(--correct);color:#fff}.option.wrong{border-color:var(--danger);background:#c0392b14;color:var(--danger)}.option.wrong .opt-key{background:var(--danger);color:#fff}.option.dim{opacity:.55}.option:disabled{cursor:default}.podium{width:100%;max-width:520px}.podium-card{padding:36px 28px;text-align:center;animation:fadeUp .5s ease both}.trophy-wrap{position:relative;display:inline-block;margin-bottom:8px}.trophy{color:var(--amber);animation:bob 2.4s ease-in-out infinite}.spark{position:absolute;color:var(--amber)}.spark.s1{top:-4px;right:-26px}.spark.s2{bottom:2px;left:-22px}.podium-title{font-size:clamp(1.5rem,4.5vw,2rem);font-weight:800}.podium-sub{color:var(--muted);margin:8px 0 22px;font-size:15px}.ranks{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:8px}.rank{display:flex;align-items:center;gap:11px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:11px 14px;text-align:right}.rank-num{font-family:var(--font-head);font-weight:800;font-size:18px;width:22px}.rank-name{font-weight:800;flex:1}.rank-progress{color:var(--muted);font-size:12.5px}.rank-score{font-weight:800;color:var(--gold);font-size:13px}@keyframes fadeUp{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes pop{0%{transform:scale(.4)}70%{transform:scale(1.18)}to{transform:scale(1)}}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}@media (max-width: 560px){.race-top{flex-direction:column;align-items:stretch}.timer{min-width:0}.question-card{padding:18px}.setup-card,.podium-card{padding:26px 20px}}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;margin-top:12px;background:#0f766e14;color:var(--primary-dark);font-weight:700;font-size:15px;padding:14px 20px;border-radius:14px;border:1.5px solid rgba(15,118,110,.22);transition:transform .2s ease,background .2s ease}.ghost-btn:hover{background:#0f766e24;transform:translateY(-2px)}.lesson-screen{width:100%;max-width:720px;animation:fadeUp .45s ease both}.lesson-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.lesson-tag{background:#d9770624;color:var(--gold);font-weight:800;font-size:13px;padding:6px 14px;border-radius:999px}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:11px 20px;border-radius:12px;transition:transform .16s ease,opacity .16s ease}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.ghost{background:var(--surface);border:1.5px solid var(--border);color:var(--muted)}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 24px #0f766e4d}.dots{display:flex;gap:8px;justify-content:center;margin-bottom:16px}.dot{width:10px;height:10px;border-radius:999px;background:#1f2a3326;transition:width .2s ease,background .2s ease;padding:0}.dot.active{width:26px;background:var(--primary)}.dot.done{background:var(--gold)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.lesson-card{padding:24px;animation:fadeUp .4s ease both}.lesson-body{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:center;margin-top:8px}.lesson-title{font-size:clamp(1.4rem,4vw,1.9rem);font-weight:800;margin-bottom:10px;color:var(--ink)}.lesson-desc{color:var(--muted);line-height:1.9;font-size:15px;margin:0 0 14px}.lesson-points{list-style:none;margin:0;padding:0;display:grid;gap:8px}.lesson-points li{position:relative;padding-right:20px;color:var(--ink);font-size:14.5px;font-weight:600}.lesson-points li:before{content:"";position:absolute;right:0;top:7px;width:8px;height:8px;border-radius:50%;background:var(--primary)}.lesson-svg{width:100%;max-height:240px;background:linear-gradient(160deg,#0f766e12,#d9770612);border:1px solid var(--border);border-radius:16px}.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px}@media (max-width: 560px){.lesson-body{grid-template-columns:1fr}.lesson-svg{max-height:200px}}