:root{--primary:#7c3aed;--secondary:#f59e0b;--background:#0f172a;--surface:#1e293b;--surface-alt:#334155;--text:#f8fafc;--muted:#cbd5e1;--correct:#22c55e;--incorrect:#ef4444;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{min-height:100%;margin:0;padding:0}body{background:var(--background);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.shell{width:min(100% - 28px,920px);margin:0 auto;padding:28px 0 48px}.shell.wide{width:min(100% - 28px,1180px)}.topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;display:flex}.brand{letter-spacing:-.03em;font-size:1.35rem;font-weight:900}.muted{color:var(--muted)}.eyebrow{color:var(--secondary);text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;font-weight:800}.card{background:var(--surface);border:1px solid #ffffff1a;border-radius:20px;padding:22px}.stack{gap:16px;display:grid}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.hero{padding:40px 0 24px}.hero h1{letter-spacing:-.055em;margin:8px 0 16px;font-size:clamp(2.1rem,8vw,4.6rem);line-height:.95}.hero p{max-width:650px;color:var(--muted);font-size:1.08rem;line-height:1.6}.actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.btn{background:var(--primary);color:#fff;border:0;border-radius:12px;min-height:46px;padding:12px 16px;font-weight:800}.btn.secondary{background:var(--surface-alt)}.btn.warn{background:var(--secondary);color:#111827}.btn:disabled{opacity:.5;cursor:not-allowed}.input,.select{width:100%;min-height:48px;color:var(--text);background:#0b1220;border:1px solid #ffffff29;border-radius:12px;padding:10px 12px;font-size:16px}.label{gap:7px;font-weight:700;display:grid}.error{color:#fecaca;background:#ef444421;border:1px solid #ef444466;border-radius:10px;padding:10px 12px}.success{color:#bbf7d0;background:#22c55e21;border:1px solid #22c55e66;border-radius:10px;padding:10px 12px}.pin{letter-spacing:.14em;font-size:clamp(2.4rem,12vw,5rem);font-weight:950;line-height:1}.question{margin:8px 0 20px;font-size:clamp(1.5rem,5vw,2.7rem);line-height:1.15}.timer{font-variant-numeric:tabular-nums;font-size:clamp(2rem,10vw,4.3rem);font-weight:950}.timer.low{color:var(--secondary)}.options{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.option{background:var(--surface-alt);color:#fff;text-align:left;border:2px solid #0000;border-radius:14px;min-height:72px;padding:14px;font-weight:800}.option.selected{border-color:var(--secondary);background:#3f3b52}.score-row{border-bottom:1px solid #ffffff14;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 0;display:grid}.score-row:last-child{border-bottom:0}.rank{background:var(--surface-alt);border-radius:50%;place-items:center;width:36px;height:36px;font-weight:900;display:grid}.score{font-variant-numeric:tabular-nums;font-weight:900}.answer-correct{background:#22c55e26;border-color:#22c55e99}.answer-wrong{background:#ef444426;border-color:#ef444499}.media{object-fit:contain;background:#020617;border-radius:14px;width:100%;max-height:420px}audio{width:100%}.kpi{font-size:2rem;font-weight:900}.quiz-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;display:grid}.review-item{border-bottom:1px solid #ffffff14;padding:14px 0}.review-item:last-child{border-bottom:0}.review-answer{color:#86efac;margin-top:5px;font-weight:800}@media (max-width:620px){.options,.quiz-row{grid-template-columns:1fr}.shell{width:min(100% - 20px,920px);padding-top:18px}.card{border-radius:16px;padding:17px}}