:root{--bg: #0e1116;--panel: #181d25;--line: #2a323d;--ink: #eef3f7;--dim: #93a4b3;--accent: #4a9cc0;--ghost: #c08a4a;--good: #4ec98a;--bad: #d65a6a}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#16202a,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:560px;padding:12px 12px 28px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:6px;font-weight:800;color:var(--accent)}.sub{margin:3px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:10px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 14px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#04161e}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:8px 16px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#04161e;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;align-items:stretch;margin:10px 0}.team{background:#0a0e13;border:1px solid var(--line);border-radius:10px;padding:7px 18px;min-width:110px;text-align:center}.team .label{color:var(--dim);font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.team .pts{font:800 26px ui-monospace,monospace}.team.you{border-color:var(--accent)}.team.you .pts{color:var(--accent)}.team.ghost{border-color:var(--ghost)}.team.ghost .pts{color:var(--ghost)}.vs{display:flex;align-items:center;color:var(--dim);font:800 16px system-ui}.meta{display:flex;justify-content:space-between;align-items:center;color:var(--dim);font-size:13px;margin:6px 2px}.meta .topic{color:var(--accent);font-weight:700}.timerbar{height:8px;background:#0a0e13;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin:8px 0 4px}.timerbar .fill{height:100%;width:0%;background:linear-gradient(90deg,var(--good),var(--accent));transition:width .1s linear}.ghostmark{position:relative;height:14px;margin-bottom:8px}.ghostmark .tick{position:absolute;top:0;width:2px;height:14px;background:var(--ghost)}.ghostmark .tick:after{content:"ghost";position:absolute;top:-1px;left:4px;color:var(--ghost);font-size:9px;font-weight:700;white-space:nowrap}.qcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;min-height:78px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:18px;font-weight:600;line-height:1.35}.options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.opt{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:14px 12px;border-radius:10px;font:600 15px system-ui;cursor:pointer;text-align:left;transition:border-color .1s,background .1s}.opt:hover{border-color:var(--accent)}.opt.right{background:#123026;border-color:var(--good);color:#bff0d6}.opt.wrong{background:#311419;border-color:var(--bad);color:#f3b6bf}.opt:disabled{cursor:default}.feedback{text-align:center;margin-top:12px;min-height:20px;font-size:14px;font-weight:700}.feedback.you{color:var(--good)}.feedback.ghost{color:var(--ghost)}.feedback.neutral{color:var(--dim)}.stage{position:relative}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#080c10d1;border-radius:12px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 28px;text-align:center;max-width:360px}.card h2{margin:0 0 6px;font-size:26px}.card h2.you{color:var(--good)}.card h2.ghost{color:var(--ghost)}.card h2.tie{color:var(--dim)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .big{font:800 22px ui-monospace,monospace;color:var(--ink);margin:8px 0}.card .row{display:flex;gap:8px;justify-content:center;margin-top:16px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:16px;line-height:1.5}