.product-media-shell {
    display: grid;
    gap: 12px;
}

.product-main-image {
    align-items: center;
    aspect-ratio: 4 / 3;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

.product-main-image img,
.product-card .product-image img,
.cart-item-image img {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.product-thumbnails {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
}

.product-thumb {
    aspect-ratio: 1 / 1;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 7px;
    cursor: pointer;
    overflow: hidden;
    padding: 0;
}

.product-thumb.active {
    border-color: #2563eb;
}

.product-thumb img {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.single-product-display.product-detail-upgraded {
    align-items: start;
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
}

.product-detail-upgraded .product-details {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 18px;
}

.product-detail-upgraded .product-details h3 {
    color: #0f172a;
    font-size: 24px;
    line-height: 1.2;
    margin: 4px 0 10px;
}

.product-detail-upgraded .product-description {
    color: #475569;
    line-height: 1.55;
}

.product-detail-upgraded .price {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    color: #1e3a8a;
    padding: 12px;
}

.product-detail-upgraded form {
    display: grid;
    gap: 12px;
}

.product-purchase-row {
    align-items: end;
    display: grid;
    gap: 10px;
    grid-template-columns: 130px 1fr;
}

.product-purchase-row input {
    width: 100%;
}

.product-attributes {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px;
}

.attribute-group {
    display: grid;
    gap: 6px;
    margin-top: 10px;
}

.product-trust-list {
    color: #334155;
    display: grid;
    gap: 7px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
}

.product-trust-list li {
    align-items: center;
    display: flex;
    gap: 7px;
    min-width: 0;
}

@media (max-width: 820px) {
    .single-product-display.product-detail-upgraded {
        grid-template-columns: 1fr;
    }

    .product-purchase-row,
    .product-trust-list {
        grid-template-columns: 1fr;
    }
}