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16px;order:2;display:flex;flex-direction:column}.transition-preview-wrapper{flex:1;width:100%;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px;box-sizing:border-box}.transition-preview-wrapper.is-drag-over .transition-preview-frame.is-upload-target{border-color:#fbbf24;box-shadow:0 0 0 2px rgba(245,158,11,.25)}.transition-export-hint{flex-shrink:0;margin:0 0 10px;min-height:22px;font-size:15px;color:#9aa0a6;text-align:center}.transition-preview-frame,.transition-preview-scaler{position:relative;flex-shrink:0;overflow:hidden}.transition-preview-frame{background:#000;border-radius:8px;border:2px solid #f59e0b}.transition-preview-frame.is-upload-target{cursor:pointer}.transition-preview-frame .preview-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px;text-align:center;color:#aaa;font-size:18px;line-height:1.45;cursor:pointer}.transition-preview-frame .preview-placeholder-hint{margin:0;font-size:16px;color:#888}.transition-preview-frame .crop-border{position:absolute;inset:0;border:2px dashed rgba(255,255,255,.35);pointer-events:none}.transition-preview-canvas,.transition-source-preview{position:absolute;top:0;left:0;display:block;background:#000;pointer-events:none}.transition-source-preview{object-fit:contain}.transition-source-preview.is-preview-hidden{visibility:hidden}.transition-preview-canvas{opacity:0}.transition-preview-canvas.is-visible{opacity:1}.transition-timeline-block{flex-shrink:0;width:100%;max-width:min(100%,960px);margin-top:14px}.transition-timeline-hint{margin:0 0 8px;font-size:15px;color:#ccc;text-align:center;line-height:1.45}.transition-timeline{position:relative;width:100%;height:88px;background:#0f0f0f;border:2px solid #444;border-radius:8px;cursor:crosshair;user-select:none}.transition-timeline.is-dragging{border-color:#f59e0b}.transition-timeline-track{position:relative;width:100%;height:44px;background:#1a1a1a;border-bottom:1px solid #333}.transition-time-marker{position:absolute;top:0;bottom:0;width:3px;margin-left:-1px;background:#f59e0b;box-shadow:0 0 0 2px rgba(245,158,11,.25);z-index:2;pointer-events:none}.transition-time-marker:before{content:"";position:absolute;top:-2px;left:50%;transform:translateX(-50%);border-left:7px solid transparent;border-right:7px solid transparent;border-top:8px solid #f59e0b}.transition-time-marker-label{position:absolute;top:8px;left:8px;padding:2px 6px;border-radius:4px;background:rgba(245,158,11,.9);color:#111;font-size:11px;font-weight:700;white-space:nowrap}.transition-timeline-ruler{position:relative;width:100%;height:44px;background:#0f0f0f}.transition-ruler-mark{position:absolute;top:0;width:1px;height:100%;background:#555}.transition-ruler-label{position:absolute;top:10px;left:4px;font-size:10px;color:#888;white-space:nowrap}@media (max-width:768px){.video-editor.is-editor-workspace{height:auto;min-height:calc(100dvh - var(--header-height));overflow:auto}.video-editor.is-editor-workspace .editor-content{flex-direction:column}.video-editor.is-editor-workspace .editor-left--workspace{width:100%;min-width:0;max-width:none;max-height:42vh;border-right:none;border-bottom:1px solid #333}.transition-left-panel{overflow-y:auto;-webkit-overflow-scrolling:touch}.video-editor.is-editor-workspace .editor-right--workspace{flex:1;min-height:0;padding:10px 12px 16px}.transition-preview-wrapper{min-height:38vh}.transition-toolbar{padding:8px 12px;gap:8px}.transition-toolbar .video-controls{flex-wrap:wrap;justify-content:center}.transition-toolbar .change-image-button,.transition-toolbar .download-button,.transition-toolbar .video-controls button{min-height:44px;padding:10px 14px;font-size:14px}}