:root{--bg: #0e1116;--bg-elev: #171b22;--bg-elev2: #1f2530;--border: #2a313d;--text: #e8ecf1;--muted: #93a0b0;--accent: #5b8cff;--sing: #37d0a6;--learn: #f0a63a;--bits: #c792ff;--solo: #ffd24a;--mute: #ff6b6b;--you: #5b8cff;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column;max-width:720px;margin:0 auto;padding:0 16px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;position:sticky;top:0;background:linear-gradient(var(--bg) 70%,transparent);z-index:10}.brand{display:flex;align-items:center;gap:10px;background:none;border:none;color:var(--text);font-size:18px;font-weight:700;cursor:pointer;padding:0}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--sing));color:#0b0e13;font-size:18px}.mypart{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.mypart select{background:var(--bg-elev);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 8px;font-size:13px}.main{flex:1;padding-bottom:32px}.footer{padding:16px 4px 24px;font-size:12px;text-align:center}.muted{color:var(--muted)}code{background:var(--bg-elev2);padding:2px 6px;border-radius:6px;font-size:.9em}.centered{text-align:center;padding:64px 16px}.btn,.link-btn{background:var(--bg-elev2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:10px 16px;cursor:pointer;font-size:14px}.link-btn{background:none;border:none;color:var(--accent);padding:8px 0;margin-top:12px}.search input{width:100%;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elev);color:var(--text);font-size:15px;margin-bottom:14px}.cards{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.card{width:100%;display:flex;flex-direction:column;gap:10px;align-items:flex-start;text-align:left;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:border-color .15s,transform .05s}.card:hover{border-color:var(--accent)}.card:active{transform:scale(.995)}.card-title{font-size:16px;font-weight:600}.card-badges{display:flex;gap:8px;flex-wrap:wrap}.badge{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;border:1px solid var(--border)}.badge-sing{color:var(--sing);border-color:color-mix(in srgb,var(--sing) 40%,transparent)}.badge-learn{color:var(--learn);border-color:color-mix(in srgb,var(--learn) 40%,transparent)}.badge-bits{color:var(--bits);border-color:color-mix(in srgb,var(--bits) 40%,transparent)}.bits-banner{width:100%;display:flex;align-items:center;gap:14px;text-align:left;margin-top:22px;padding:14px 16px;border-radius:var(--radius);border:1px solid color-mix(in srgb,var(--bits) 35%,var(--border));background:color-mix(in srgb,var(--bits) 8%,var(--bg-elev));color:var(--text);cursor:pointer;transition:border-color .15s}.bits-banner:hover{border-color:var(--bits)}.bits-banner-icon{font-size:26px}.bits-banner-title{display:block;font-weight:700}.bits-banner-sub{display:block;font-size:12px;color:var(--muted)}.bits-banner-arrow{margin-left:auto;color:var(--bits)}.extra{margin-top:22px}.extra-title{font-size:17px;margin:0 0 10px}.extra-note{margin:0;font-size:13px}.bits-songs{margin-top:22px}.link{background:none;border:none;padding:0;color:var(--bits);font:inherit;cursor:pointer;text-decoration:underline}.playlist{background:var(--bg-elev);border:1px solid color-mix(in srgb,var(--sing) 35%,var(--border));border-radius:var(--radius);padding:16px;margin-bottom:16px}.playlist-idle{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.playlist-intro,.playlist-now{display:flex;flex-direction:column;gap:4px;font-size:13px;min-width:0}.playlist-kicker{color:var(--sing);font-size:12px;font-weight:700}.playlist-title{font-size:18px;font-weight:700}.playlist-note{font-size:12px}.playlist-error{color:var(--mute)}.playlist-start{display:flex;gap:8px}.playlist-start .btn,.chip-icon{display:inline-flex;align-items:center;gap:6px}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--sing));color:#0b0e13;border:none;font-weight:700}.playlist-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.playlist-transport{gap:10px;margin:16px 0 6px}.skip-btn{flex:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--bg-elev2);color:var(--text);cursor:pointer;display:grid;place-items:center}.skip-btn:disabled{opacity:.35;cursor:not-allowed}.playlist-transport .scrub{margin-left:6px}.controls-sep{width:1px;height:22px;background:var(--border);margin:0 4px}.playlist-volume .vol{flex:1;max-width:240px}.playlist .link-btn{margin-top:0}.queue{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}.queue-item{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:none;border:none;border-radius:8px;color:var(--muted);padding:8px 10px;cursor:pointer;font-size:14px}.queue-item:hover{background:var(--bg-elev2);color:var(--text)}.queue-item-on{color:var(--sing);font-weight:700;background:color-mix(in srgb,var(--sing) 10%,transparent)}.queue-num{width:20px;text-align:right;font-variant-numeric:tabular-nums;flex:none}.back{background:none;border:none;color:var(--muted);cursor:pointer;font-size:14px;padding:8px 0;margin-bottom:8px}.back:hover{color:var(--text)}.song-heading{font-size:26px;margin:4px 0 8px}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}.choice{display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;padding:22px 18px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elev);cursor:pointer;color:var(--text);transition:border-color .15s,transform .05s}.choice:hover:not(:disabled){transform:translateY(-2px)}.choice-sing:hover:not(:disabled){border-color:var(--sing)}.choice-learn:hover:not(:disabled){border-color:var(--learn)}.choice-bits{grid-column:1 / -1}.choice-bits:hover:not(:disabled){border-color:var(--bits)}.choice:disabled{opacity:.4;cursor:not-allowed}.choice-icon{font-size:30px}.choice-title{font-size:18px;font-weight:700}.choice-sub{font-size:12px;color:var(--muted)}.playerpage-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.mode-tag{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}.mode-sing{color:var(--sing);background:color-mix(in srgb,var(--sing) 15%,transparent)}.mode-learn{color:var(--learn);background:color-mix(in srgb,var(--learn) 15%,transparent)}.mode-bits{color:var(--bits);background:color-mix(in srgb,var(--bits) 15%,transparent)}.part-tabs{display:flex;gap:8px;margin:18px 0}.part-tab{flex:1;padding:12px;border-radius:10px;border:1px solid var(--border);background:var(--bg-elev);color:var(--muted);cursor:pointer;font-weight:600;display:flex;align-items:center;justify-content:center;gap:6px}.part-tab-on{color:var(--text);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--bg-elev))}.you-dot{width:7px;height:7px;border-radius:50%;background:var(--you);display:inline-block}.player{margin-top:18px}.transport{display:flex;align-items:center;gap:16px;margin:22px 0 10px}.play-btn{flex:none;width:58px;height:58px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--accent),var(--sing));color:#0b0e13;font-size:20px;cursor:pointer;display:grid;place-items:center}.play-btn:active{transform:scale(.96)}.restart-btn{flex:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:var(--bg-elev);color:var(--text);font-size:16px;cursor:pointer;display:grid;place-items:center}.restart-btn:active{transform:scale(.96)}.restart-btn:disabled{opacity:.35;cursor:not-allowed}.back10-btn{font-size:0}.scrub{flex:1}.scrubber{position:relative;height:36px;display:flex;align-items:center;cursor:pointer;touch-action:pan-y;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;outline:none}.scrubber[aria-disabled=true]{cursor:default;opacity:.5}.scrubber-rail{position:relative;width:100%;height:6px;border-radius:999px;background:var(--bg-elev2);overflow:hidden;transition:height .15s ease;pointer-events:none}.scrubber-fill{position:absolute;inset:0 auto 0 0;background:var(--accent);pointer-events:none}.scrubber-thumb{position:absolute;top:50%;width:16px;height:16px;margin-left:-8px;border-radius:50%;background:#fff;border:2px solid var(--accent);box-shadow:0 1px 4px #00000059;transform:translateY(-50%);transition:transform .15s ease;pointer-events:none}.scrubber-active .scrubber-rail{height:10px}.scrubber-active .scrubber-thumb{transform:translateY(-50%) scale(1.4)}.scrubber:focus-visible .scrubber-thumb{outline:2px solid var(--accent);outline-offset:2px}.times-active{color:var(--text)}.loop-region{position:absolute;top:0;bottom:0;background:color-mix(in srgb,var(--solo) 35%,transparent);border-radius:4px;pointer-events:none}.times{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:2px}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:999px;background:var(--bg-elev2);cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid var(--accent)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid var(--accent)}.controls-row,.quick-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0}.speed{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.chip{background:var(--bg-elev);color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:7px 14px;cursor:pointer;font-size:13px;font-weight:600}.chip-on{color:var(--text);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 16%,var(--bg-elev))}.mixer{display:flex;flex-direction:column;gap:12px;margin:18px 0}.track{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;transition:opacity .15s}.track-dim{opacity:.5}.track-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.track-name{font-weight:700;display:flex;align-items:center;gap:8px}.track-btns{display:flex;gap:6px}.mini{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elev2);color:var(--muted);cursor:pointer;font-weight:700;font-size:13px}.mini-solo{color:#0b0e13;background:var(--solo);border-color:var(--solo)}.mini-mute{color:#0b0e13;background:var(--mute);border-color:var(--mute)}.vol{width:100%}.align-row{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px}.align-val{min-width:52px;text-align:center;color:var(--text);font-variant-numeric:tabular-nums}@media (max-width: 480px){.choice-grid{grid-template-columns:1fr}.song-heading{font-size:22px}.transport{flex-wrap:wrap;justify-content:center;row-gap:6px}.transport .scrub{order:-1;flex-basis:100%;margin-left:0}.controls-sep{display:none}}.offline-pill{margin-left:auto;margin-right:12px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;color:var(--learn);border:1px solid color-mix(in srgb,var(--learn) 45%,transparent)}.offline{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;margin:0 0 16px;font-size:13px}.chooser .offline{margin-top:24px}.offline-saved{border-color:color-mix(in srgb,var(--sing) 35%,var(--border))}.offline-saved .offline-status{color:var(--sing)}.offline-info{display:flex;flex-direction:column;gap:6px;flex:1;min-width:180px}.offline-error{color:var(--mute);font-size:12px}.offline-bar{height:4px;border-radius:999px;background:var(--bg-elev2);overflow:hidden}.offline-bar>div{height:100%;background:var(--sing);transition:width .2s ease}.offline-actions{display:flex;align-items:center;gap:8px}.badge-offline{color:var(--sing);border-color:color-mix(in srgb,var(--sing) 25%,transparent);background:color-mix(in srgb,var(--sing) 10%,transparent)}.badge-unsaved{color:var(--muted)}