*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#1e1e2e,#282a36);min-height:100vh;display:flex;justify-content:center;align-items:center;color:#f8f8f2}.container{background:#1e1e2e;box-shadow:0 10px 30px #00000080;padding:20px;width:100%}h1{text-align:center;color:#ff6b6b;margin-bottom:30px;font-size:32px;font-weight:700}h3{color:#f1fa8c;font-size:16px;margin-bottom:15px}.toolbar{background:#282a36;border-radius:8px;padding:20px;margin-bottom:30px;border:1px solid #44475a}.controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;justify-content:center}.song-selector{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:20px}.song-selector label{font-size:14px;font-weight:600;color:#f1fa8c}.song-selector select{padding:10px 15px;border:2px solid #44475a;border-radius:6px;background:#1e1e2e;color:#f8f8f2;font-size:14px;cursor:pointer;transition:all .2s ease;min-width:200px}.song-selector select:hover{border-color:#ff79c6;box-shadow:0 0 8px #ff79c64d}.song-selector select:focus{outline:none;border-color:#ff79c6;box-shadow:0 0 12px #ff79c680}.zoom-control{display:flex;align-items:center;justify-content:center;gap:15px}.zoom-control label{font-size:14px;font-weight:600;color:#f1fa8c}.zoom-control input[type=range]{width:200px;height:6px;border-radius:3px;background:#44475a;outline:none;-webkit-appearance:none}.zoom-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:#ff79c6;cursor:pointer;transition:all .2s ease}.zoom-control input[type=range]::-webkit-slider-thumb:hover{background:#ff6b9d;box-shadow:0 0 8px #ff79c680}.zoom-control input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#ff79c6;cursor:pointer;border:none;transition:all .2s ease}.zoom-control input[type=range]::-moz-range-thumb:hover{background:#ff6b9d;box-shadow:0 0 8px #ff79c680}button{padding:12px 20px;border:none;border-radius:6px;background:#ff79c6;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;white-space:nowrap}button:hover:not(:disabled){background:#ff6b9d;transform:translateY(-2px);box-shadow:0 4px 12px #ff79c666}button:active:not(:disabled){transform:translateY(0)}button:disabled{opacity:.5;cursor:not-allowed}#multitrack{background:#282a36;border-radius:8px;border:1px solid #44475a;min-height:300px;margin-bottom:30px;overflow:auto;margin-left:140px}.track-widgets-overlay{position:absolute;left:0;top:0;width:140px;height:100%;display:flex;flex-direction:column;border-right:1px solid #44475a;background:#1e1e2ecc;pointer-events:none;z-index:10}.track-widget{position:absolute;left:0;width:140px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-bottom:1px solid #44475a;padding:8px;text-align:center;pointer-events:auto}.track-widget-label{font-size:11px;color:#f1fa8c;font-weight:600;overflow:hidden;text-overflow:ellipsis;width:100%;word-break:break-word}.track-widget-content{flex:1;width:100%;display:flex;align-items:center;justify-content:center}.widget-controls{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:4px;padding:10px 0 0}.widget-buttons{display:flex;flex-direction:row;gap:10px;flex-shrink:0}.widget-mute-btn,.widget-solo-btn{width:50px;height:30px;background:#44475a;border:1px solid #6272a4;color:#f8f8f2;border-radius:3px;font-size:10px;font-weight:700;cursor:pointer;transition:all .2s ease;padding:0;display:flex;align-items:center;justify-content:center}.widget-mute-btn:hover,.widget-solo-btn:hover{background:#6272a4;border-color:#8be9fd;box-shadow:0 0 8px #8be9fd4d}.widget-mute-btn.active,.widget-solo-btn.active{background:#f1fa8c;color:#1e1e2e;border-color:#f1fa8c;font-weight:800;box-shadow:0 0 12px #f1fa8c66}.widget-mute-btn.active:hover,.widget-solo-btn.active:hover{box-shadow:0 0 16px #f1fa8c99}.track-upload{background:#282a36;border-radius:8px;padding:20px;border:1px solid #44475a}input[type=file]{display:block;width:100%;padding:12px;margin-bottom:15px;border:2px dashed #44475a;border-radius:6px;cursor:pointer;font-size:14px;color:#f8f8f2;background:#1e1e2e}input[type=file]::file-selector-button{padding:10px 16px;background:#8be9fd;color:#1e1e2e;border:none;border-radius:4px;cursor:pointer;font-weight:600;transition:all .2s ease;margin-right:10px}input[type=file]::file-selector-button:hover{background:#50fa7b}@media (max-width: 768px){.container{padding:10px}h1{font-size:24px}.controls{flex-direction:column}button{width:100%}.zoom-control{flex-direction:column;align-items:flex-start}.zoom-control input[type=range]{width:100%}}.mixer-container{background:#282a36;border-radius:8px;padding:25px;border:1px solid #44475a}.mixer-container h2{color:#ff79c6;font-size:18px;margin-bottom:20px;text-align:center}.mixer-tracks{display:flex;gap:30px;justify-content:flex-start;overflow-x:auto;overflow-y:hidden;padding-bottom:10px}.mixer-tracks::-webkit-scrollbar{height:8px}.mixer-tracks::-webkit-scrollbar-track{background:#1e1e2e;border-radius:4px}.mixer-tracks::-webkit-scrollbar-thumb{background:#44475a;border-radius:4px;transition:background .2s ease}.mixer-tracks::-webkit-scrollbar-thumb:hover{background:#6272a4}.mixer-track{display:flex;flex-direction:column;align-items:center;gap:12px;padding:15px;background:#1e1e2e;border-radius:8px;border:1px solid #44475a;min-width:100px;flex-shrink:0}.mixer-track-label{font-size:13px;font-weight:600;color:#f1fa8c;text-align:center;word-break:break-word;max-width:100px}.mixer-track-fader{width:30px;height:120px;border-radius:4px;background:#44475a;outline:none;-webkit-appearance:slider-vertical;-moz-appearance:slider-vertical;appearance:slider-vertical;cursor:pointer}.mixer-track-fader::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:28px;height:20px;border-radius:3px;background:#ff79c6;cursor:grab;transition:all .2s ease;border:2px solid #ff6b9d}.mixer-track-fader::-webkit-slider-thumb:hover{background:#ff6b9d;box-shadow:0 0 8px #ff79c699}.mixer-track-fader::-webkit-slider-thumb:active{cursor:grabbing}.mixer-track-fader::-moz-range-thumb{width:28px;height:20px;border-radius:3px;background:#ff79c6;cursor:grab;border:2px solid #ff6b9d;transition:all .2s ease}.mixer-track-fader::-moz-range-thumb:hover{background:#ff6b9d;box-shadow:0 0 8px #ff79c699}.mixer-track-buttons{display:flex;gap:6px;flex-direction:column;width:100%}.mixer-track-btn{padding:6px 8px;font-size:12px;font-weight:600;border:none;border-radius:4px;cursor:pointer;transition:all .2s ease;flex:1;min-height:28px}.mixer-mute-btn{background:#8be9fd;color:#1e1e2e}.mixer-mute-btn:hover:not(:disabled){background:#50fa7b}.mixer-mute-btn.active{background:#ff6b6b;color:#fff}.mixer-solo-btn{background:#f1fa8c;color:#1e1e2e}.mixer-solo-btn:hover:not(:disabled){background:#f1fa8c;opacity:.8}.mixer-solo-btn.active{background:#ff79c6;color:#fff}@media (max-width: 768px){.mixer-tracks{gap:0px}.mixer-track{min-width:60px;padding:5px}}