.merge-editor{display:flex;flex-direction:column;gap:var(--spacing-lg)}.video-list-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm)}.video-list-header h4{margin:0}.total-size{font-size:.875rem;color:var(--text-secondary)}.video-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.video-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm);background:var(--bg-secondary);border-radius:var(--radius-md);border:2px solid transparent;cursor:grab;transition:all .2s ease}.video-item:hover{border-color:var(--border-color)}.video-item.dragging{opacity:.5;border-color:var(--text-primary)}.video-order{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;flex-shrink:0}.video-thumbnail{width:80px;height:45px;object-fit:cover;border-radius:var(--radius-sm);background:var(--bg-tertiary);flex-shrink:0}.video-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.video-name{font-size:.875rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-size{font-size:.75rem;color:var(--text-secondary)}.video-controls{display:flex;gap:var(--spacing-xs);flex-shrink:0}.control-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease;font-size:.875rem}.control-btn:hover:not(:disabled){background:var(--bg-primary);border-color:var(--text-primary)}.control-btn:disabled{opacity:.3;cursor:not-allowed}.control-btn.remove-btn:hover:not(:disabled){background:#f44;color:#fff;border-color:#f44}.add-more{border:2px dashed var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-sm)}.merge-hint{padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);font-size:.875rem;color:var(--text-secondary)}.merge-btn{margin-top:var(--spacing-md)}.min-videos-hint{text-align:center;color:var(--text-secondary);font-size:.875rem;margin:var(--spacing-sm) 0}.social-presets{padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.social-presets h4{margin:0 0 var(--spacing-sm);font-size:.875rem;color:var(--text-secondary)}.preset-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.preset-tag{display:inline-block;padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-secondary);border-radius:var(--radius-sm);font-size:.75rem;color:var(--text-secondary)}.processing-status{text-align:center;padding:var(--spacing-xl)}.progress-bar{width:100%;height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden;margin-bottom:var(--spacing-md)}.progress-fill{height:100%;background:var(--text-primary);transition:width .3s ease}.progress-text{color:var(--text-secondary);font-size:.875rem}.error-message{text-align:center;padding:var(--spacing-lg);background:var(--bg-tertiary);border-radius:var(--radius-md)}.result-container{text-align:center}.result-container h4{margin-bottom:var(--spacing-md)}.video-preview{width:100%;max-width:640px;border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.action-buttons{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.privacy-note{text-align:center;font-size:.875rem;color:var(--text-secondary);padding:var(--spacing-lg);margin-top:var(--spacing-lg)}@media(max-width:480px){.video-item{flex-wrap:wrap}.video-info{flex-basis:100%;order:10;margin-top:var(--spacing-sm)}.video-thumbnail{width:60px;height:34px}}