body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.product-card {
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.product-card .price {
    font-size: 1.25rem;
    font-weight: bold;
    color: #28a745;
}

.category-title {
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    border-bottom: 3px solid #ffc107;
    display: inline-block;
    padding-bottom: 10px;
}

.view-3d-btn {
    width: 100%;
}

/* 3D viewer specific */
canvas {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .product-card {
        font-size: 14px;
    }
    
    .category-title {
        font-size: 1.5rem;
    }
}