:root{color-scheme:dark}body{margin:0;background:#0d1117;color:#e6edf3;font-family:system-ui,sans-serif}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;align-items:center;justify-content:center;background:#0d1117f0;pointer-events:none}.drop-overlay.is-hidden{display:none}.drop-overlay-msg{border:2px dashed #3b4653;border-radius:12px;padding:48px 72px;color:#8b949e;font-size:18px;transition:border-color .15s,color .15s}body.dragover .drop-overlay-msg{border-color:#4d9dff;color:#e6edf3}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:8px 12px;background:#161b22;border-bottom:1px solid #2b3340;font-size:13px}.toolbar label{display:flex;align-items:center;gap:4px;white-space:nowrap}.toolbar button{background:#21262d;color:#e6edf3;border:1px solid #3b4653;border-radius:4px;padding:0;width:44px;height:30px;line-height:30px;text-align:center;cursor:pointer;font-size:14px}.toolbar button:hover{background:#2d333b}.toolbar input[type=number],.toolbar select{background:#21262d;color:#e6edf3;border:1px solid #3b4653;border-radius:4px;padding:2px 4px;font-size:13px}.toolbar input[type=range]{cursor:pointer}.toolbar-title{font-weight:600;color:#e6edf3;white-space:nowrap}.toolbar-time{font-variant-numeric:tabular-nums;color:#8b949e;white-space:nowrap}.toolbar-seek{position:relative;flex:1;min-width:120px;height:30px}.seek-wave{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border-radius:4px;background:#0d1117}.seek-input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}.warnings{margin:4px 12px;padding:6px 10px;background:#ff4d5a1a;border-left:3px solid #ff4d5a;border-radius:4px;font-size:12px;color:#ff8b97;display:none}.warnings:not(:empty){display:block}.main-row{display:flex;gap:8px;padding:8px 12px;align-items:stretch;height:calc(100vh - 63px);min-height:320px}.pane{display:flex;background:#161b22;border:1px solid #2b3340;border-radius:6px;overflow:hidden}.pane-left{flex-direction:row}.pane-right{flex-direction:row-reverse}.pane-toggle{background:#21262d;color:#8b949e;border:none;border-radius:0;width:18px;cursor:pointer;padding:0;font-size:10px}.pane-toggle:hover{background:#2d333b;color:#e6edf3}.pane-body{padding:6px;overflow:auto;display:flex;flex-direction:column;min-height:0}.canvas-wrap{flex:1;min-height:0}.pane-footer{flex:none;padding-top:6px;font-size:12px}.pane-footer label{display:flex;align-items:center;gap:4px}.pane-footer select{background:#21262d;color:#e6edf3;border:1px solid #3b4653;border-radius:4px;padding:2px 4px;font-size:12px}.pane.is-collapsed .pane-body{display:none}.pane-center{position:relative;flex:1;align-items:center;justify-content:center;background:#0d1117}.speed-slider{position:absolute;right:10px;top:50%;transform:translateY(-50%);writing-mode:vertical-lr;direction:rtl;height:55%;cursor:pointer}.speed-readout{position:absolute;top:8px;right:12px;font-size:14px;font-variant-numeric:tabular-nums;color:#ffd24d;text-shadow:0 1px 2px rgba(0,0,0,.8)}.main-row canvas{display:block;background:#0d1117;border-radius:4px}.side-panel{display:flex;flex-direction:column;gap:14px;width:210px;font-size:12px}.panel-heading{color:#58a6ff;font-size:11px;letter-spacing:.05em;margin-bottom:6px}.panel-section label{display:flex;align-items:center;gap:4px;margin:4px 0}.panel-section input[type=number],.panel-section select{background:#21262d;color:#e6edf3;border:1px solid #3b4653;border-radius:4px;padding:2px 4px;font-size:12px;width:90px}.info-list{margin:0;display:grid;grid-template-columns:auto 1fr;gap:2px 8px}.info-list dt{color:#8b949e}.info-list dd{margin:0;color:#e6edf3;word-break:break-all}.panel-readout{font-variant-numeric:tabular-nums;color:#ffd24d;display:flex;flex-direction:column;gap:2px}