.timeline-editor-body-with-headers{--demo-editor-scrollbar-gutter-size:1.5rem;--demo-editor-scrollbar-track-size:.625rem;--demo-editor-scrollbar-gutter-padding:calc((var(--demo-editor-scrollbar-gutter-size) - var(--demo-editor-scrollbar-track-size)) / 2);--demo-editor-scrollbar-gutter-padding-inline:calc((var(--demo-editor-scrollbar-gutter-size) - var(--demo-editor-scrollbar-track-size) - 2px) / 2);--demo-editor-scrollbar-surface:var(--background);width:100%;min-width:0;min-height:0;overflow:hidden}.timeline-editor-header-panel,.timeline-editor-timeline-panel{grid-template-rows:minmax(0,1fr) auto;min-width:0;height:100%;min-height:0;display:grid;overflow:hidden}.timeline-editor-header-stage{min-height:0;overflow:hidden}.timeline-editor-timeline-stage{min-height:0}.timeline-editor-stage-row{grid-template-columns:minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.timeline-editor-vertical-scrollbar-column{box-sizing:border-box;width:var(--demo-editor-scrollbar-gutter-size);background:var(--demo-editor-scrollbar-surface);min-height:0;padding-block:var(--demo-editor-scrollbar-gutter-padding);padding-inline:var(--demo-editor-scrollbar-gutter-padding-inline);justify-content:center;align-items:stretch;display:flex}.timeline-editor-vertical-scrollbar{width:var(--demo-editor-scrollbar-track-size);min-height:0}.timeline-editor-track-headers{width:100%;height:100%}.timeline-editor-root-with-headers .timeline-track-list-overlay{inset:0}.timeline-editor-track-header-content{align-items:center;gap:.3rem;width:100%;min-width:0;display:grid}.timeline-editor-track-header-button{border:1px solid color-mix(in oklch, var(--foreground) 10%, transparent);border-radius:calc(var(--radius) - .125rem);background:color-mix(in oklch, var(--background) 80%, transparent);width:1.45rem;height:1.45rem;color:var(--muted-foreground);cursor:pointer;place-items:center;padding:0;transition:border-color .15s,color .15s,background-color .15s,opacity .15s;display:inline-grid}.timeline-editor-track-header-button svg{width:.85rem;height:.85rem}.timeline-editor-track-header-button:hover,.timeline-editor-track-header-button[aria-pressed=true]{border-color:color-mix(in oklch, var(--primary) 55%, transparent);background:color-mix(in oklch, var(--primary) 12%, var(--background));color:var(--foreground)}.timeline-editor-track-header-button:disabled,.timeline-editor-track-header-button:disabled:hover{cursor:not-allowed;opacity:.52}.timeline-editor-track-header-label{min-width:0;color:var(--foreground);text-align:left;text-overflow:ellipsis;white-space:nowrap;justify-self:start;font-size:.7rem;overflow:hidden}.timeline-editor-scrollbar-row{min-height:var(--demo-editor-scrollbar-gutter-size);grid-template-columns:minmax(0, 1fr) var(--demo-editor-scrollbar-gutter-size);background:var(--demo-editor-scrollbar-surface);padding:0;display:grid}.timeline-editor-scrollbar-row .timeline-viewport-scrollbar{width:auto;min-width:0;height:var(--demo-editor-scrollbar-track-size);margin-inline:var(--demo-editor-scrollbar-gutter-padding);align-self:center}.timeline-editor-scrollbar-row .timeline-viewport-scrollbar-handle{width:var(--demo-editor-scrollbar-track-size)}.timeline-editor-column-resize-handle{background:var(--muted);cursor:col-resize;outline:none;flex:0 0 .8rem;width:.8rem;position:relative}.timeline-editor-column-resize-handle:before{inset-block:0;background:var(--border);content:"";width:2px;transition:background-color .15s,box-shadow .15s;position:absolute;left:50%;transform:translate(-50%)}.timeline-editor-column-resize-handle:hover:before,.timeline-editor-column-resize-handle:focus-visible:before,.timeline-editor-column-resize-handle[data-resize-handle-active]:before{background:var(--primary);box-shadow:0 0 0 2px color-mix(in oklch, var(--primary) 28%, transparent)}.media-sync-demo{gap:1rem;margin-top:1rem;display:grid}.media-sync-preview{grid-template-columns:minmax(0,1.1fr) minmax(16rem,.55fr);align-items:stretch;gap:1rem;display:grid}.media-sync-monitor,.media-sync-panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);color:var(--foreground);overflow:hidden}.media-sync-monitor{background:var(--muted);min-height:18rem;display:grid;position:relative}.media-sync-canvas,.media-sync-video{object-fit:contain;background:var(--muted);width:100%;height:100%;min-height:18rem}.media-sync-panel{align-content:start;gap:.8rem;padding:1rem;display:grid}.media-sync-panel h3{margin:0;font-size:.95rem}.media-sync-status{color:var(--muted-foreground);margin:0;font-size:.85rem;line-height:1.45}.media-sync-readout{grid-template-columns:auto 1fr;gap:.35rem .7rem;margin:0;font-size:.8rem;display:grid}.media-sync-readout dt{color:var(--muted-foreground)}.media-sync-readout dd{color:var(--foreground);font-family:var(--font-mono);margin:0}.media-sync-controls{flex-wrap:wrap;gap:.5rem;display:flex}.media-sync-button{border:1px solid var(--input);border-radius:calc(var(--radius) - .25rem);background:var(--background);min-height:2.15rem;color:var(--foreground);cursor:pointer;font:inherit;padding:.4rem .75rem;font-size:.82rem;transition:background-color .15s,border-color .15s,color .15s}.media-sync-button:hover{border-color:var(--foreground);background:var(--accent);color:var(--accent-foreground)}.media-sync-button:disabled{cursor:not-allowed;opacity:.45}.media-sync-button-active,.media-sync-button-active:hover{border-color:var(--foreground);background:var(--foreground);color:var(--background)}.media-sync-play-button{z-index:2;background:color-mix(in oklch, var(--background) 84%, transparent);min-width:4.8rem;box-shadow:0 .75rem 1.75rem color-mix(in oklch, var(--foreground) 24%, transparent);backdrop-filter:blur(10px);position:absolute;bottom:1rem;left:1rem}.keyframe-opacity-demo,.keyframe-opacity-preview{min-width:0}.keyframe-opacity-monitor{background:linear-gradient(45deg, color-mix(in oklch, var(--foreground) 8%, transparent) 25%, transparent 25%), linear-gradient(-45deg, color-mix(in oklch, var(--foreground) 8%, transparent) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, color-mix(in oklch, var(--foreground) 8%, transparent) 75%), linear-gradient(-45deg, transparent 75%, color-mix(in oklch, var(--foreground) 8%, transparent) 75%), var(--card);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.keyframe-opacity-video{background:0 0}.keyframe-opacity-panel{min-width:0}.keyframe-opacity-readout{font-variant-numeric:tabular-nums}.keyframe-opacity-actions{align-items:center}.keyframe-opacity-curve-controls{grid-template-columns:repeat(4,minmax(0,1fr));gap:.35rem;display:grid}.keyframe-opacity-curve-button{min-width:0;min-height:1.8rem;padding-inline:.45rem;font-size:.74rem}.keyframe-opacity-curve-button[aria-pressed=true],.keyframe-opacity-curve-button[aria-pressed=true]:hover{border-color:var(--foreground);background:var(--foreground);color:var(--background)}.keyframe-opacity-button{align-items:center;gap:.35rem;display:inline-flex}.keyframe-opacity-button svg{width:.85rem;height:.85rem}.keyframe-opacity-slider{appearance:none;background:var(--border);border-radius:9999px;outline:none;width:100%;height:4px}.keyframe-opacity-slider::-webkit-slider-thumb{appearance:none;border:2px solid var(--card);background:var(--primary);cursor:pointer;border-radius:9999px;width:14px;height:14px}.keyframe-opacity-slider::-moz-range-thumb{border:2px solid var(--card);background:var(--primary);cursor:pointer;border-radius:9999px;width:14px;height:14px}.keyframe-opacity-status{min-height:1.2em}.keyframe-opacity-timeline-shell{--demo-editor-shell-height:12rem;width:100%;max-width:100%;height:var(--demo-editor-shell-height);min-height:0}.keyframe-opacity-timeline-shell .timeline-stage{min-height:0}.timeline-editor-keyframe-track-header-content{grid-template-columns:auto minmax(0,1fr) auto}.timeline-editor-keyframe-button[aria-pressed=true] svg{fill:currentColor}@media (width<=720px){.keyframe-opacity-preview{grid-template-columns:1fr}}@media (width<=820px){.media-sync-preview{grid-template-columns:minmax(0,1fr)}}