.player{--bg:#0b1014;--panel:#0c1218b8;--panel-2:#121a22;--line:#e8f4f81f;--text:#e8f4f8;--muted:#e8f4f89e;--mint:#3dffe0;--coral:#ff6b5a;--gold:#f0c65a;--glow-mint:0 0 14px #3dffe066;--glow-coral:0 0 14px #ff6b5a66;--radius:14px;min-height:100%;color:var(--text);background:radial-gradient(1000px 500px at 50% -20%, #3dffe00d, transparent 60%), var(--bg);flex-direction:column;gap:14px;padding:18px;font-family:Outfit,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.45;display:flex;position:relative}.player *{box-sizing:border-box}.player button{font:inherit}.player-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:12px;padding:6px 2px 12px;display:flex}.title{letter-spacing:.02em;color:var(--text);margin:0;font-family:Syne,system-ui,sans-serif;font-size:22px;font-weight:700}.meta{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin:4px 0 0;font-size:12px}.phase{border:1px solid 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(width<=860px){.stage{grid-template-columns:1fr;grid-template-areas:"feedback""rail"}.guided-stage{grid-template-areas:"guide""chart""playbar"}.guided-stage .chart{max-height:44vh}.rail{max-height:none}.rail .chart{max-height:44vh}}.player{--deg-1:#3dffe0;--deg-2:#ff6b5a;--deg-3:#f0c65a;--deg-4:#78d2ff;--deg-5:#ff9646;--deg-6:#ff5a8c;--deg-7:#a0c8ff}.guided-stage{grid-template-areas:"guide chart""playbar chart"}.stage .guide{grid-area:guide}.player.has-camera .guide{border:1px solid var(--border-strong,#e8f4f829);background:var(--panel);-webkit-backdrop-filter:blur(14px)saturate(1.3)}.guide{border-radius:var(--radius);flex-direction:column;gap:14px;padding:18px;transition:border-color .2s,box-shadow .2s;display:flex}.guide.complete{border-color:#f0c65abf;box-shadow:0 0 22px #f0c65a40}.guide-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.guide-chord{color:var(--text);font-family:Syne,system-ui,sans-serif;font-size:30px;font-weight:700}.guide-pos{letter-spacing:.08em;color:var(--muted);white-space:nowrap;font-size:11px}.guide-hands{grid-template-columns:1fr 1fr;gap:12px;display:grid}.guide-hand{text-align:center}.guide-hand .hand-shape{width:100%;max-width:132px;height:auto;color:var(--muted)}.hand-caption{color:var(--muted);margin:8px 0 0;font-size:11.5px}.hand-caption strong{color:var(--text)}.guide .feedback{background:#00000040;padding:10px}.guide-hint{color:var(--gold);text-align:center;margin:0;font-size:12px}.tilt-gauge{align-items:center;gap:7px;margin:7px 0 2px;display:flex}.tilt-word{text-transform:uppercase;letter-spacing:.07em;color:var(--muted);text-align:center;min-width:34px;font-size:.62rem}.tilt-track{background:#e8f4f814;border-radius:999px;flex:1;height:8px;position:relative;overflow:hidden}.tilt-track 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16px;font-size:12px}.status.no-camera,.status.error{color:var(--coral)}.status.listen{color:var(--gold)}.start-btn{letter-spacing:.1em;text-transform:uppercase;color:#0b1014;background:var(--mint);cursor:pointer;border:0;border-radius:10px;width:100%;padding:13px 18px;font-size:14px;font-weight:700;transition:transform .12s,box-shadow .15s,opacity .15s;box-shadow:0 0 22px #3dffe04d}.start-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 30px #3dffe073}.start-btn:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}.hint{text-align:center;color:var(--muted);margin:14px 0 0;font-size:11px}kbd{border:1px solid var(--line);background:var(--panel-2);color:var(--text);border-bottom-width:2px;border-radius:5px;padding:1px 6px;font-size:10px}.empty{color:var(--muted);text-align:center;padding:40px 0}.feedback{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg, var(--panel-2), var(--panel));align-items:stretch;gap:14px;padding:12px 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0;font-size:.82rem;display:flex;position:relative}.playbar .stats{white-space:nowrap;color:var(--muted)}.timed-hands{z-index:30;pointer-events:none;align-items:flex-end;gap:14px;display:flex;position:fixed;bottom:24px;left:24px}.timed-group{border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);text-align:center;background:#0c1218b8;border-radius:14px;padding:8px 12px 10px}.timed-group.next{transform-origin:0 100%;opacity:.75;transform:scale(.78)}.timed-label{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-size:.66rem;display:block}.timed-pair{gap:8px;display:flex}.timed-pair .hand-shape{width:72px;height:auto;color:var(--ice)}.voice-toggle{border:1px solid var(--line);border-radius:999px;display:flex;overflow:hidden}.voice-toggle button{color:var(--muted);font:inherit;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;background:0 0;border:0;padding:6px 12px;font-size:.72rem;transition:color .15s,background .15s}.voice-toggle 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var(--line);cursor:pointer;background:0 0;border-radius:10px;padding:11px 16px}button.back:hover{border-color:#3dffe066}.back:hover{color:var(--mint)}@media (width<=560px){.player{padding:12px}.title{font-size:18px}.row{grid-template-columns:2.8em 1fr 1.3em 1fr 2.6em 1.6em .8em;font-size:12px}.chips{grid-template-columns:1fr 1fr}}