:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Hiragino Kaku Gothic ProN,sans-serif}*{box-sizing:border-box}body{margin:0}.timeline-layout{display:flex;gap:1rem;align-items:flex-start}.timeline-canvas-scroll{flex:1;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch}.node-editor-panel{width:300px;flex-shrink:0}@media(max-width:768px){.timeline-layout{flex-direction:column;align-items:stretch}.node-editor-panel{width:100%}}