:root{--bg: #131017;--panel: #1f1820;--line: #3a2f33;--ink: #f4ece6;--dim: #b39c8e;--accent: #c0843a;--go: #4ec98a;--nogo: #d8554f;--bar: #2a2127}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#241a1e,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:#1b0f04}.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:#1b0f04;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;margin:8px 0;flex-wrap:wrap}.readout{background:#0c0a0d;border:1px solid var(--line);border-radius:8px;padding:5px 14px;font:800 18px ui-monospace,monospace;color:var(--accent);min-width:78px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}.stage{position:relative}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 16px;text-align:center}.round-label{color:var(--dim);font-size:13px;font-weight:600;letter-spacing:1px}.signal{margin:14px auto 6px;width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;font:800 17px system-ui;letter-spacing:1px;border:4px solid var(--line);background:#0c0a0d;color:var(--dim);transition:transform .08s}.signal.go{border-color:var(--go);color:var(--go);box-shadow:0 0 26px -6px var(--go)}.signal.nogo{border-color:var(--nogo);color:var(--nogo);box-shadow:0 0 26px -6px var(--nogo)}.signal.pulse{transform:scale(1.06)}.reward-now{font:800 40px ui-monospace,monospace;color:var(--accent);margin:8px 0 2px}.reward-cap{color:var(--dim);font-size:13px}.track{position:relative;height:18px;background:var(--bar);border:1px solid var(--line);border-radius:999px;margin:16px 0 6px;overflow:hidden}.track .fill{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#8a5a22,var(--accent));width:0%;transition:width .05s linear}.track .token-mark{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--go);opacity:.8}.token-hint{color:var(--go);font-size:12px;min-height:16px}.hard-flag{color:var(--nogo);font-size:12px;font-weight:700;min-height:16px}.actions{display:flex;gap:10px;justify-content:center;margin-top:16px}.actions .btn{padding:12px 18px;font-size:15px}.tap-btn{background:var(--accent);color:#1b0f04;border-color:var(--accent)}.hold-btn{background:var(--panel)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0c0a0dd1;border-radius:14px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:24px;color:var(--accent)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .big{font:800 34px ui-monospace,monospace;color:var(--ink);margin:8px 0}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:14px;line-height:1.6}.hint b{color:var(--accent)}