:root{--bg: #f4f1ff;--ink: #2a2350;--muted: #7a73a0;--purple: #7c4dff;--purple-d: #6536e0;--good: #2ec27e;--card: #ffffff;--shadow: 0 10px 30px rgba(80, 50, 180, .12)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%}body{font-family:Nunito,Segoe UI,system-ui,sans-serif;background:radial-gradient(120% 100% at 50% 0%,#efe9ff 0%,var(--bg) 60%);color:var(--ink);-webkit-font-smoothing:antialiased}#app{min-height:100%;max-width:760px;margin:0 auto;padding:16px}button{font-family:inherit;cursor:pointer;border:none}.muted{color:var(--muted)}.center{text-align:center}h2{margin:6px 0}.pill{background:#efeaff;color:var(--purple-d);border-radius:999px;padding:6px 12px;font-weight:800;font-size:14px;display:inline-flex;gap:6px;align-items:center}.btn{background:var(--purple);color:#fff;font-weight:800;font-size:17px;padding:14px 20px;border-radius:16px;transition:transform .08s}.btn:active{transform:scale(.96)}.btn.ghost{background:#ece7ff;color:var(--purple-d)}.btn.lg{font-size:20px;padding:18px 26px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-weight:700;z-index:60;box-shadow:var(--shadow)}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.race{max-width:460px;margin:0 auto}.race-hud{display:flex;align-items:center;gap:8px;margin-bottom:8px}.race-hud .title{flex:1;font-weight:900;font-size:17px;color:var(--purple-d)}.race-hud .pill{font-size:13px;padding:6px 10px}.race-stage{position:relative;display:flex;justify-content:center}.race-stage canvas{border-radius:20px;box-shadow:var(--shadow);touch-action:none;display:block}.race-heard{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#0000008c;color:#fff;font-weight:800;padding:6px 16px;border-radius:999px;opacity:0;transition:opacity .15s;pointer-events:none;font-size:18px}.race-heard.show{opacity:1}.race-overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#2c28428c;border-radius:20px}.race-overlay.show{display:flex}.race-card{background:#fff;border-radius:22px;padding:22px;text-align:center;max-width:300px;box-shadow:var(--shadow)}.race-card .btn{width:100%;margin-top:8px}.race-controls{display:grid;grid-template-columns:1fr 96px 1fr;gap:10px;margin-top:12px}.race-btn{border-radius:18px;font-size:22px;font-weight:900;color:#fff;padding:16px 0;line-height:1.1}.race-btn b{font-size:26px}.race-btn.left{background:linear-gradient(160deg,#4d8cff,#2b6be0)}.race-btn.right{background:linear-gradient(160deg,#ff5a5f,#e03b40)}.race-btn:active{transform:scale(.95)}.race-mic{border-radius:18px;background:#ece7ff;color:var(--purple-d);font-weight:800;font-size:22px;line-height:1.2}.race-mic span{font-size:11px}.race-mic.on{background:var(--good);color:#fff;animation:pulse 1.2s infinite}.race-meter{display:none;text-align:center;font-family:ui-monospace,monospace;font-size:12px;color:var(--purple-d);min-height:16px;margin-top:8px;letter-spacing:-1px;white-space:nowrap;overflow:hidden}.linkbtn{background:none;color:var(--muted);font-size:13px;font-weight:800;text-decoration:underline;padding:6px}.linkbtn:active{color:var(--purple-d)}.hintwarn{background:#fff7e8;border:2px solid #ffe2b0;color:#8a5a10;border-radius:12px;padding:8px 10px;font-weight:700;font-size:13px;margin:6px 0}.studio{max-width:460px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.studio .card{padding:18px}.studio h2{margin:0}.twochoice{display:grid;grid-template-columns:1fr 1fr;gap:12px}.meter{text-align:center;font-family:ui-monospace,monospace;font-size:13px;color:var(--purple-d);min-height:18px;letter-spacing:-1px;white-space:nowrap;overflow:hidden}.rec-btn{border-radius:18px;font-size:16px;font-weight:800;color:#fff;padding:18px 0;line-height:1.25;background:var(--purple);transition:transform .06s,filter .1s}.rec-btn b{font-size:26px}.rec-btn span{font-size:13px;opacity:.85}.rec-btn.la{background:linear-gradient(160deg,#4d8cff,#2b6be0)}.rec-btn.ra{background:linear-gradient(160deg,#ff5a5f,#e03b40)}.rec-btn.test{background:var(--purple);width:100%}.rec-btn.holding{transform:scale(.96);filter:brightness(1.15);box-shadow:0 0 0 4px #7c4dff4d}.rec-btn:disabled{filter:grayscale(.6) opacity(.5)}.acc{text-align:center;font-size:14px;color:var(--purple-d);min-height:18px}.test-out{text-align:center;font-size:28px;font-weight:900;min-height:40px}.test-out .la{color:#2b6be0}.test-out .ra{color:#e03b40}