:root{--bg: #060d16;--panel: #0f1c2c;--line: #20354b;--ink: #e9f2fb;--dim: #8aa4bd;--accent: #46b3c9;--amber: #e8941f;--teal: #1f9c8c}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(1000px 620px at 50% -10%,#0d1c2e,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:620px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:5px;font-weight:800;color:var(--accent)}.sub{margin:4px auto 0;max-width:480px;color:var(--dim);font-size:13px;line-height:1.4}.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:#04222a}.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:#04222a;border-color:var(--accent)}.status{text-align:center;min-height:26px;margin:6px 0}.chip{display:inline-block;padding:4px 12px;border-radius:999px;font:700 13px system-ui;background:var(--panel);border:1px solid var(--line);color:var(--dim)}.chip.amber{color:#04222a;background:var(--amber);border-color:var(--amber)}.chip.teal{color:#04222a;background:var(--teal);border-color:var(--teal)}.chip.done{color:var(--accent);border-color:var(--accent)}.stage{position:relative;display:flex;justify-content:center}canvas{width:100%;max-width:560px;height:auto;display:block;border-radius:14px;box-shadow:0 14px 40px #0009;touch-action:none;cursor:pointer}.overlay,.curtain{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border-radius:14px}.overlay{background:#040910c7;backdrop-filter:blur(3px)}.curtain{background:#040910f7}.overlay.hidden,.curtain.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:360px}.card h2{margin:0 0 6px;font-size:24px;color:var(--accent)}.card p{margin:6px 0 0;color:var(--dim);font-size:14px;line-height:1.4}.card .row{display:flex;gap:8px;justify-content:center;margin-top:16px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:12px;line-height:1.4}