:root{--bg: #10231a;--panel: #17301f;--panel2: #1e3d29;--line: #2f5c3e;--text: #eef7f0;--muted: #a9c4b2;--gold: #f2c53d;--blue: #6d9bff;--bad: #ff8a6b;--ok: #7ee08a}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:Pretendard,Apple SD Gothic Neo,system-ui,-apple-system,sans-serif;-webkit-text-size-adjust:100%;overscroll-behavior:none}#app{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}#game{width:100%;max-width:100vw}#game canvas{display:block;margin:0 auto;touch-action:none}#ui-root{position:absolute;inset:0;pointer-events:none}#ui-root .panel,#ui-root .modal{pointer-events:auto}.hud{position:absolute;top:8px;left:50%;transform:translate(-50%);display:flex;gap:10px;align-items:center;background:#08140cb8;border:1px solid var(--line);border-radius:12px;padding:6px 14px;font-size:18px;font-weight:700}.hud .score{font-size:22px;letter-spacing:1px}.hud .clock{color:var(--muted);font-variant-numeric:tabular-nums}.hud .card-chip{background:var(--gold);color:#2a2000;border-radius:999px;padding:2px 10px;font-size:14px}.hud .focus-dot{color:var(--gold);font-size:14px}.stamina{position:absolute;left:12px;bottom:12px;width:160px;height:12px;background:#00000073;border:1px solid var(--line);border-radius:8px;overflow:hidden}.stamina>i{display:block;height:100%;background:var(--ok);width:100%}.modal{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#050c08c7;padding:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;width:min(680px,96vw);max-height:92vh;overflow:auto}.card h2{margin:0 0 6px;font-size:22px}.card .sub{color:var(--muted);font-size:15px;margin-bottom:14px}.stem{font-size:24px;line-height:1.45;margin:10px 0 18px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 560px){.choices{grid-template-columns:1fr}}button.choice,button.btn{min-height:56px;min-width:56px;font-size:20px;font-weight:600;border-radius:12px;border:1px solid var(--line);background:var(--panel2);color:var(--text);padding:12px 16px;cursor:pointer;text-align:left}button.choice:hover,button.btn:hover{background:#26492f}button.choice.correct{background:#1f6b34;border-color:#2fa356}button.choice.wrong{background:#6b2020;border-color:#a33b2f}button.btn{text-align:center}button.btn.primary{background:var(--gold);color:#2a2000;border-color:#d9ad2b}.timer{height:10px;background:#0006;border-radius:6px;overflow:hidden;margin:14px 0 4px}.timer>i{display:block;height:100%;background:var(--gold);width:100%}.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}@media (max-width: 560px){.grid3{grid-template-columns:1fr}}.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line);font-size:17px}.kv b{font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:14px}table.rank{width:100%;border-collapse:collapse;font-size:16px}table.rank td,table.rank th{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left}table.rank td.n{text-align:right;font-variant-numeric:tabular-nums}table.rank tr.me{background:#f2c53d29}.badge{display:inline-block;background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:13px;margin-right:6px}.toast{position:absolute;left:50%;bottom:24px;transform:translate(-50%);background:#08140ce6;border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:16px}.rotate-hint{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#0b1a10;font-size:20px;text-align:center;padding:24px}@media (orientation: portrait) and (max-width: 860px){.rotate-hint{display:flex}}