body {
    background: linear-gradient(135deg, #f53d2d, #ff7337);
    min-height: 100vh;
}

/* Thanh header giống Shopee */
.navbar {
    background: linear-gradient(135deg, #f53d2d, #ff7337) !important;
}

/* Card sản phẩm */
.product-card {
    background: white;
    border-radius: 10px;
    padding: 10px;
    transition: 0.3s;
}

    .product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }