@media (max-width: 768px) {
    main {
        background-color: #d2d2d2ff;
    }
    .white-container {
        width: 95%;
        margin: 20px auto;
        padding: 1rem;
        min-height: auto;
    }
    .breadcrumb {
        position: static;
        margin: 10px auto 0 auto;
        width: 95%;
        font-size: 0.9rem;
        line-height: 1.4;
    }
    .top-left,
    .top-right {
        float: none;
        width: 100%;
        padding: 0.5rem;
    }
    .product-images .main-image {
        width: 100%;
        max-width: 350px;
    }
    .product-images .gallery {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 5px;
    }
    .product-images .gallery img {
        width: 60px;
        height: 60px;
        flex: 0 0 auto;
    }
    .heart-wrapper {
        width: 40px;
        height: 40px;
    }
    .top-right {
        gap: 15px;
        padding: 10px 5px;
    }
    .product-title {
        font-size: 1.8rem;
    }
    .stock-status {
        font-size: 1rem;
    }
    .product-price {
        font-size: 1.6rem;
    }
    .product-old-price {
        font-size: 0.9rem;
    }
    .discount-badge {
        font-size: 0.8rem;
    }
    .shipping-note,
    .extra-note {
        font-size: 0.85rem;
    }
    .quantity-selector {
        margin-top: 10px;
    }
    #add-to-cart-btn {
        width: 100%;
        font-size: 1rem;
        padding: 0.6rem;
    }
    .bottom-full {
        padding: 0.5rem;
    }
    .desc-toggle {
        font-size: 1.2rem;
    }
    .description-box {
        font-size: 1rem;
        max-width: 100%;
        padding: 0 0.5rem;
    }
    .lightbox .chevron {
        background: rgba(0, 0, 0, 0.4); 
        border: 2px solid white;     
        border-radius: 50%;
        width: 45px;
        height: 45px;
        display: flex;
        align-items: center;
        justify-content: center;
        backdrop-filter: blur(2px);
    }
    .chevron {
        font-size: 40px;
    }
    .chevron-left {
        left: -15px;
    }
    .chevron-right {
        right: -15px;
    }
    .product-images .gallery {
        flex-wrap: wrap;
        justify-content: center;
        overflow-x: visible;
    }

    .product-images .gallery img {
        width: 65px;
        height: 65px;
    }
}