.otg-shell{max-width:980px;margin:30px auto;padding:18px;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#111}
.otg-hero{border-radius:28px;padding:42px 26px;text-align:center;background:linear-gradient(135deg,#111827,#312e81 55%,#7c3aed);color:#fff;box-shadow:0 20px 55px rgba(0,0,0,.18)}
.otg-badge{display:inline-block;padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.14);font-weight:800;font-size:12px;letter-spacing:1px}
.otg-hero h1{font-size:clamp(34px,6vw,64px);line-height:1.05;margin:18px 0 10px;font-weight:900}
.otg-hero p{font-size:18px;opacity:.9;margin:0}
.otg-card{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:26px;margin-top:18px;box-shadow:0 12px 35px rgba(17,24,39,.08)}
.otg-start{text-align:center}.otg-start h2{font-size:28px;margin-top:0}
#otg-player{width:min(100%,420px);padding:15px 16px;border:2px solid #e5e7eb;border-radius:14px;font-size:16px;box-sizing:border-box}
#otg-start-btn,#otg-again{display:block;margin:14px auto 0;border:0;border-radius:14px;padding:15px 28px;font-size:16px;font-weight:900;color:#fff;background:linear-gradient(135deg,#7c3aed,#2563eb);cursor:pointer}
.otg-mini{font-size:13px;color:#6b7280;margin-top:12px}
.otg-top{display:flex;justify-content:space-between;gap:10px;font-weight:800;font-size:14px}
.otg-progress{height:8px;background:#eef2ff;border-radius:99px;overflow:hidden;margin:15px 0 25px}.otg-progress i{display:block;height:100%;width:10%;background:linear-gradient(90deg,#7c3aed,#2563eb);transition:width .25s}
#otg-question{font-size:clamp(22px,4vw,34px);line-height:1.25}
.otg-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.otg-option{padding:17px;border:2px solid #e5e7eb;border-radius:15px;background:#fff;text-align:left;font-size:16px;font-weight:700;cursor:pointer}.otg-option:hover{border-color:#7c3aed;background:#f5f3ff}.otg-option.correct{border-color:#16a34a;background:#dcfce7}.otg-option.wrong{border-color:#dc2626;background:#fee2e2}
.otg-next{margin-top:18px;width:100%;padding:15px;border:0;border-radius:14px;background:#111827;color:#fff;font-weight:900;cursor:pointer}.otg-next:disabled{opacity:.4;cursor:not-allowed}
.otg-trophy{text-align:center;font-size:65px}.otg-result{text-align:center}.otg-final-score{font-size:50px;font-weight:950;background:linear-gradient(90deg,#7c3aed,#2563eb);-webkit-background-clip:text;color:transparent}
.otg-leader-head{display:flex;justify-content:space-between;align-items:center}.otg-leader-head h2{margin:0}.otg-leader-head button{border:0;background:#f3f4f6;border-radius:10px;padding:8px 12px;font-size:20px;cursor:pointer}
.otg-row{display:grid;grid-template-columns:45px 1fr 100px 80px;gap:10px;align-items:center;padding:13px 4px;border-bottom:1px solid #eee}.otg-rank{font-weight:900}.otg-name{font-weight:800}.otg-score{font-weight:900;text-align:right}.otg-correct{text-align:right;color:#6b7280;font-size:13px}
@media(max-width:650px){.otg-shell{padding:10px}.otg-hero{padding:32px 18px;border-radius:22px}.otg-card{padding:18px;border-radius:19px}.otg-options{grid-template-columns:1fr}.otg-row{grid-template-columns:38px 1fr 72px}.otg-correct{display:none}.otg-top{font-size:12px}}