*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{background-color:#2c3e50;color:#fff;padding:1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.header h1{font-size:1.5rem;font-weight:600}.controls{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.controls button{background-color:#3498db;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.controls button:hover:not(:disabled){background-color:#2980b9}.controls button:disabled{background-color:#bdc3c7;cursor:not-allowed}.controls .button{background-color:#3498db;color:#fff;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.controls .button:hover{background-color:#2980b9}.main{flex:1;overflow:auto;background-color:#ecf0f1}.timeline{display:grid;grid-template-columns:150px 1fr;background-color:#fff;border-right:1px solid #bdc3c7;border-bottom:1px solid #bdc3c7}.timeline-header{display:contents}.track-name{background-color:#34495e;color:#fff;padding:.5rem;text-align:center;border-bottom:1px solid #2c3e50;font-size:.9rem;font-weight:500}.time-ruler{display:flex;border-bottom:1px solid #bdc3c7;background-color:#f5f5f5;height:50px;overflow:hidden}.time-mark{width:100px;height:100%;border-right:1px solid #bdc3c7;display:flex;align-items:flex-end;justify-content:center;font-size:.8rem;color:#7f8c8d;padding-bottom:.25rem}.track{display:contents}.track.active .track-name{background-color:#2980b9}.track-content{height:100px;background-color:#fafafa;border-bottom:1px solid #bdc3c7;position:relative;overflow:hidden}.clip{position:absolute;top:10px;height:80px;background-color:#3498db;border-radius:4px;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;justify-content:flex-end;padding:.5rem;box-shadow:0 2px 4px #0000001a;-webkit-user-select:none;user-select:none}.clip:hover{background-color:#2980b9;transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.clip.selected{background-color:#e74c3c;border:2px solid #c0392b;box-shadow:0 4px 8px #0003}.clip.muted{opacity:.5}.clip-waveform{position:absolute;top:0;left:0;right:0;bottom:20px;background-color:#fff3;border-radius:2px}.clip-info{font-size:.75rem;color:#fff;text-align:center;background-color:#0000001a;padding:.25rem;border-radius:2px}.playhead{width:2px;background-color:#e74c3c;pointer-events:none;box-shadow:0 0 4px #e74c3c80;position:absolute;z-index:1000}.playhead:after{content:"";position:absolute;top:-5px;left:-4px;width:10px;height:10px;background-color:#e74c3c;border-radius:50%;box-shadow:0 0 6px #e74c3cb3}@media (max-width: 768px){.header{padding:.5rem;overflow-y:auto;max-height:50vh}.header h1{font-size:1.2rem;margin-bottom:.5rem}.controls{gap:.25rem}.controls button,.controls .button{padding:.4rem .8rem;font-size:.8rem}.timeline{grid-template-columns:80px 1fr}.track-name{font-size:.8rem}.time-mark{width:80px;font-size:.7rem}}