.mosaic-gallery {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            grid-auto-rows: 100px;
            grid-gap: 10px;
            padding: 10px;
        }
        
        .mosaic-item {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f0f0f0;
            text-decoration: none;
        }
        
        .mosaic-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .mosaic-item:hover img {
            transform: scale(1.05);
        }
        
        /* Size classes for different image dimensions */
        .mosaic-small {
            grid-column: span 3;
            grid-row: span 3;
        }
        
        .mosaic-wide {
            grid-column: span 6;
            grid-row: span 3;
        }
        
        .mosaic-tall {
            grid-column: span 3;
            grid-row: span 6;
        }
        
        .mosaic-large {
            grid-column: span 6;
            grid-row: span 6;
        }
        
        /* Responsive adjustments */
        @media (max-width: 1200px) {
            .mosaic-gallery {
                grid-template-columns: repeat(8, 1fr);
            }
            .mosaic-wide, .mosaic-large {
                grid-column: span 4;
            }
        }
        
        @media (max-width: 768px) {
            .mosaic-gallery {
                grid-template-columns: repeat(4, 1fr);
            }
            .mosaic-wide, .mosaic-large {
                grid-column: span 2;
            }
            .mosaic-tall {
                grid-row: span 4;
            }
        }