         transition: opacity 0.2s;
            position: absolute;
            right: 8px;
            top: 8px;
            z-index: 10;
        }
        
        .cell:hover .cell-toolbar {
            opacity: 1;
        }
        
        .cell-toolbar button {
            padding: 4px 8px;
            font-size: 12px;
            border: 1px solid var(--border-color);
            background: var(--cell-background);
            border-radius: 4px;
            cursor: pointer;
        }
        
       