:root{--bg:#05060c;--bg-2:#0a0d1a;--panel:rgba(20,24,40,0.62);--border:rgba(120,140,200,0.16);--text:#eaf0ff;--muted:#8b93b4;--accent:#34f5c5;--accent-2:#22d3ee;--accent-ink:#02281f;--danger:#ff6b81;--gold:#ffd76a;--radius:18px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{min-height:100dvh;background:radial-gradient(1100px 600px at 12% -10%,rgba(34,211,238,.12),transparent 60%),radial-gradient(900px 500px at 100% 0,rgba(52,245,197,.1),transparent 55%),linear-gradient(180deg,var(--bg-2),var(--bg));color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.brand{font-weight:800;font-size:clamp(28px,6vw,44px);letter-spacing:-.02em}.brand span{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.tagline{margin:6px 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.tnum{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;font-size:17px}.panel{position:relative;z-index:2;margin-top:auto;padding:14px}.panel-inner{background:var(--panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:0 20px 60px -30px rgba(0,0,0,.9)}.prompt{font-weight:700;font-size:17px;margin:0 0 10px}.verdict{border-radius:12px;padding:12px 14px;font-weight:600;animation:pop .18s ease}@keyframes pop{0%{transform:scale(.97);opacity:0}}.verdict.correct{background:rgba(52,245,197,.12);border:1px solid rgba(52,245,197,.4)}.verdict.incorrect{background:rgba(255,107,129,.1);border:1px solid rgba(255,107,129,.35)}.title-strong{color:var(--accent);font-weight:800}.diag{color:var(--muted);font-size:13px;margin-top:4px;font-weight:500}.room-grid{display:grid;grid-template-columns:210px 1fr;grid-gap:16px;gap:16px;align-items:start}.room-main{gap:12px}.room-main,.scoreboard{display:flex;flex-direction:column}.scoreboard{list-style:none;margin:0;padding:0;gap:6px}.scoreboard li{display:flex;justify-content:space-between;gap:8px;padding:8px 11px;border-radius:10px;background:rgba(255,255,255,.035);border:1px solid transparent;font-size:14px;transition:background .15s}.scoreboard li.me{border-color:rgba(52,245,197,.5);background:rgba(52,245,197,.07)}.sb-name{display:flex;align-items:center;gap:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sb-score{color:var(--accent);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:800}.timerbar{position:relative;z-index:2;height:4px;margin:0 14px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden}.timerbar>span{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .2s 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