.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)}.timeline-shell.external-drop-shell{--demo-editor-shell-height:23rem;width:100%;max-width:100%;height:var(--demo-editor-shell-height);grid-template-rows:minmax(0,1fr);min-height:0}.external-drop-workspace{grid-template-rows:auto minmax(0,1fr);width:100%;min-width:0;height:100%;min-height:0;display:grid;overflow:hidden}.external-drop-toolbar{border-bottom:1px solid var(--border);background:color-mix(in oklch, var(--background) 96%, var(--muted));grid-template-columns:minmax(13rem,1fr) auto auto minmax(8rem,auto);align-items:center;gap:.75rem;min-width:0;padding:.75rem;display:grid}.external-drop-assets{flex-wrap:wrap;gap:.5rem;min-width:0;display:flex}.external-drop-asset{--asset-color:var(--primary);border:1px solid color-mix(in oklch, var(--asset-color) 42%, var(--border));border-radius:calc(var(--radius) - .125rem);background:color-mix(in oklch, var(--asset-color) 18%, var(--background));max-width:12rem;min-height:2.25rem;color:var(--foreground);cursor:grab;user-select:none;align-items:center;gap:.45rem;padding:.4rem .6rem;font-size:.76rem;font-weight:600;line-height:1.1;display:inline-flex}.external-drop-asset:active{cursor:grabbing}.external-drop-asset svg,.external-drop-controls svg,.external-drop-actions svg{flex:none;width:.9rem;height:.9rem}.external-drop-asset span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.external-drop-controls{border:1px solid var(--border);border-radius:calc(var(--radius) - .125rem);display:inline-flex;overflow:hidden}.external-drop-controls button{border:0;border-right:1px solid var(--border);background:color-mix(in oklch, var(--background) 88%, var(--muted));min-height:2.25rem;color:var(--muted-foreground);align-items:center;gap:.35rem;padding:0 .65rem;font-size:.72rem;font-weight:600;display:inline-flex}.external-drop-controls button:last-child{border-right:0}.external-drop-controls button.external-drop-mode-active{background:color-mix(in oklch, var(--primary) 22%, var(--background));color:var(--foreground)}.external-drop-actions{display:inline-flex}.external-drop-actions button{border:1px solid var(--border);border-radius:calc(var(--radius) - .125rem);background:color-mix(in oklch, var(--background) 88%, var(--muted));min-height:2.25rem;color:var(--foreground);align-items:center;gap:.35rem;padding:0 .65rem;font-size:.72rem;font-weight:600;display:inline-flex}.external-drop-actions button:disabled{color:var(--muted-foreground);cursor:not-allowed;opacity:.55}.external-drop-readout{justify-items:end;gap:.1rem;min-width:0;font-size:.68rem;line-height:1.15;display:grid}.external-drop-readout span{max-width:8rem;color:var(--muted-foreground);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.external-drop-readout strong{max-width:8rem;color:var(--foreground);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.external-drop-editor-grid{grid-template-columns:7.75rem minmax(0,1fr);height:100%;min-height:0;display:grid}.external-drop-editor-grid .timeline-stage{min-height:0}.external-drop-track-header-content{grid-template-columns:minmax(0,1fr)}.external-drop-target-active{outline:1px solid color-mix(in oklch, var(--foreground) 22%, transparent);outline-offset:-1px}.external-drop-target-valid{outline-color:color-mix(in oklch, var(--primary) 70%, var(--foreground))}@media (width<=760px){.timeline-shell.external-drop-shell{--demo-editor-shell-height:29rem}.external-drop-toolbar{grid-template-columns:minmax(0,1fr)}.external-drop-controls,.external-drop-actions,.external-drop-readout{justify-self:start}.external-drop-editor-grid{grid-template-columns:6rem minmax(0,1fr)}}