:root{--bg: #0e1116;--panel: #181d25;--line: #2a323d;--ink: #eef3f7;--dim: #93a4b3;--accent: #5a7ad0;--bad: #5a1f26}*{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:520px;padding:12px 12px 26px}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 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#06122b}.picker{background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:6px 12px;font:600 13px system-ui;cursor:pointer}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#06122b;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;margin:8px 0}.readout{background:#0a0e13;border:1px solid var(--line);border-radius:8px;padding:5px 16px;font:800 18px ui-monospace,monospace;color:var(--accent);min-width:92px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}#lives{color:#e0556a;letter-spacing:1px}.stage{position:relative;display:flex;justify-content:center;margin-top:6px}#board{width:min(94vw,440px);height:auto;aspect-ratio:440 / 520;background:#0a0e14;border:1px solid var(--line);border-radius:10px}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#060a12c7;border-radius:10px}.overlay.hidden{display:none}.overlay .card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px 26px;text-align:center;max-width:320px}.overlay .card h2{margin:0 0 8px;color:var(--accent)}.overlay .card p{margin:0 0 16px;color:var(--dim);font-size:14px}#answerform{display:flex;gap:8px;margin:12px auto 0;max-width:440px}#answer{flex:1;background:#0a0e13;border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:10px 16px;font:600 15px system-ui;outline:none}#answer:focus{border-color:var(--accent)}.hint{text-align:center;color:var(--dim);font-size:12px;margin:10px 0 0}