/* ===================================
   Product Pages CSS
   =================================== */

/* Breadcrumbs */
.product-breadcrumbs-section { padding: var(--spacing-lg) 0; background: var(--color-white); border-bottom: 1px solid var(--color-border); }
.product-breadcrumbs-section .breadcrumbs { display: flex; align-items: center; gap: var(--spacing-sm); font-size: var(--font-size-sm); color: var(--color-text); flex-wrap: wrap; }
.product-breadcrumbs-section .breadcrumbs a { color: var(--color-primary); font-weight: var(--font-medium); }
.product-breadcrumbs-section .breadcrumbs a:hover { text-decoration: underline; }
.product-breadcrumbs-section .breadcrumbs .separator { color: var(--color-text-light); }
.product-breadcrumbs-section .breadcrumbs .current { color: var(--color-dark); font-weight: var(--font-medium); }

/* ===================== */
/* Archive Page Header   */
/* ===================== */
.product-archive-header { padding: var(--spacing-2xl) 0 var(--spacing-xl); background: var(--color-white); }
.product-archive-title { font-size: var(--font-size-4xl); font-weight: var(--font-bold); color: var(--color-dark); margin-bottom: var(--spacing-sm); }
.product-archive-desc { font-size: var(--font-size-base); color: var(--color-text); max-width: 600px; margin-bottom: 0; }

/* ===================== */
/* Archive Layout        */
/* ===================== */
.product-archive-section { padding: var(--spacing-xl) 0 var(--spacing-4xl); background: var(--color-white); }
.product-archive-layout { display: grid; grid-template-columns: 260px 1fr; gap: var(--spacing-2xl); align-items: start; }

/* ===================== */
/* Sidebar Filters       */
/* ===================== */
.product-sidebar { position: sticky; top: 100px; }
.filter-group { margin-bottom: var(--spacing-xl); }
.filter-title { font-size: var(--font-size-xs); font-weight: var(--font-bold); color: var(--color-text-light); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: var(--spacing-md); }

/* Category List */
.filter-category-list { list-style: none; padding: 0; margin: 0; }
.filter-category-item { margin-bottom: 2px; }
.filter-category-item a { display: flex; align-items: center; gap: var(--spacing-sm); padding: 0.625rem 0.875rem; border-radius: var(--radius-lg); color: var(--color-dark); font-size: var(--font-size-sm); font-weight: var(--font-medium); transition: all var(--transition-fast); }
.filter-category-item a:hover { background: var(--color-light-bg); color: var(--color-primary); }
.filter-category-item.active a { background: var(--color-primary); color: var(--color-white); }
.filter-cat-icon { display: flex; align-items: center; width: 20px; height: 20px; flex-shrink: 0; }
.filter-cat-icon svg { width: 18px; height: 18px; }
.filter-cat-name { flex: 1; }
.filter-cat-count { font-size: var(--font-size-xs); background: rgba(0,0,0,0.06); padding: 2px 8px; border-radius: var(--radius-full); color: var(--color-text); }
.filter-category-item.active .filter-cat-count { background: rgba(255,255,255,0.2); color: var(--color-white); }

/* Checkbox Filters */
.filter-checkbox-list { list-style: none; padding: 0; margin: 0; }
.filter-checkbox-list li { margin-bottom: var(--spacing-sm); }
.filter-checkbox { display: flex; align-items: center; gap: var(--spacing-sm); cursor: pointer; font-size: var(--font-size-sm); color: var(--color-dark); position: relative; user-select: none; }
.filter-checkbox input[type="checkbox"] { position: absolute; opacity: 0; cursor: pointer; width: 0; height: 0; }
.filter-checkbox .checkmark { width: 18px; height: 18px; border: 2px solid var(--color-border); border-radius: 4px; display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); flex-shrink: 0; }
.filter-checkbox input:checked ~ .checkmark { background: var(--color-primary); border-color: var(--color-primary); }
.filter-checkbox input:checked ~ .checkmark::after { content: '✓'; color: white; font-size: 12px; font-weight: bold; }

/* Price Range */
.price-range-inputs { display: flex; gap: var(--spacing-sm); }
.price-range-inputs input { width: 50%; padding: 0.5rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--font-size-sm); text-align: center; }
.price-range-inputs input:focus { outline: none; border-color: var(--color-primary); }

/* Reset Button */
.filter-reset-btn { display: block; width: 100%; padding: 0.75rem; text-align: center; border: 2px solid var(--color-primary); border-radius: var(--radius-lg); color: var(--color-primary); font-weight: var(--font-semibold); font-size: var(--font-size-sm); transition: all var(--transition-base); background: transparent; }
.filter-reset-btn:hover { background: var(--color-primary); color: var(--color-white); }

/* ===================== */
/* Product Toolbar       */
/* ===================== */
.product-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--spacing-xl); padding-bottom: var(--spacing-md); border-bottom: 1px solid var(--color-border); flex-wrap: wrap; gap: var(--spacing-md); }
.toolbar-info { font-size: var(--font-size-sm); color: var(--color-text); }
.toolbar-info strong { color: var(--color-dark); }
.toolbar-actions { display: flex; align-items: center; gap: var(--spacing-md); }
.toolbar-sort select { padding: 0.5rem 2rem 0.5rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--font-size-sm); color: var(--color-dark); background: var(--color-white); cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23627084' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; }
.toolbar-view { display: flex; gap: 4px; }
.view-toggle { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-white); cursor: pointer; color: var(--color-text); transition: all var(--transition-fast); }
.view-toggle:hover, .view-toggle.active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* ===================== */
/* Product Grid          */
/* ===================== */
.product-listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); }
.product-listing-grid.list-view { grid-template-columns: 1fr; }
.product-listing-grid.list-view .product-listing-card-inner { display: grid; grid-template-columns: 200px 1fr; }
.product-listing-grid.list-view .product-listing-image { aspect-ratio: auto; height: 200px; }
.product-listing-grid.list-view .product-listing-content { display: flex; flex-direction: column; justify-content: center; }

/* Product Card */
.product-listing-card { border-radius: var(--radius-xl); overflow: hidden; background: var(--color-white); border: 1px solid var(--color-border); transition: all var(--transition-base); }
.product-listing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-listing-card-inner { display: block; color: inherit; }
.product-listing-card-inner:hover { color: inherit; }

/* Card Image */
.product-listing-image { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--color-light-bg); }
.product-listing-image img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.5s ease; }
.product-listing-card:hover .product-listing-image img { transform: scale(1.05); }

/* Badge */
.product-badge { position: absolute; top: 12px; left: 12px; padding: 4px 12px; border-radius: var(--radius-full); font-size: var(--font-size-xs); font-weight: var(--font-semibold); color: var(--color-white); background: var(--color-primary); z-index: 2; text-transform: uppercase; letter-spacing: 0.3px; }
.product-badge.mới, .product-badge.new { background: var(--color-success); }
.product-badge.hot { background: var(--color-accent); }

/* Wishlist */
.product-wishlist-btn { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: var(--radius-full); background: rgba(255,255,255,0.9); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--color-text); transition: all var(--transition-fast); z-index: 2; backdrop-filter: blur(4px); }
.product-wishlist-btn:hover { color: var(--color-accent); background: var(--color-white); transform: scale(1.1); }

/* Card Content */
.product-listing-content { padding: var(--spacing-lg); }
.product-listing-title { font-size: var(--font-size-base); font-weight: var(--font-semibold); color: var(--color-dark); margin-bottom: var(--spacing-xs); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-listing-excerpt { font-size: var(--font-size-sm); color: var(--color-text); margin-bottom: var(--spacing-sm); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }
.product-listing-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-sm); }
.product-listing-price { font-size: var(--font-size-base); font-weight: var(--font-bold); color: var(--color-primary); }
.product-listing-price .price-contact { font-size: var(--font-size-sm); font-weight: var(--font-semibold); color: var(--color-primary); }

/* Color Dots */
.product-listing-colors { display: flex; gap: 4px; align-items: center; }
.color-dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--color-white); box-shadow: 0 0 0 1px var(--color-border); }
.color-dot.more { width: auto; height: auto; font-size: 10px; color: var(--color-text); padding: 1px 4px; border: none; box-shadow: none; border-radius: var(--radius-sm); background: var(--color-light-bg); }

/* ===================== */
/* Pagination            */
/* ===================== */
.product-pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: var(--spacing-3xl); }
.page-link { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); font-size: var(--font-size-sm); font-weight: var(--font-medium); color: var(--color-dark); border: 1px solid var(--color-border); background: var(--color-white); transition: all var(--transition-fast); }
.page-link:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-link.active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }
.page-link.prev, .page-link.next { color: var(--color-text); }
.page-dots { color: var(--color-text); padding: 0 4px; }

/* No Products */
.no-products-found { text-align: center; padding: var(--spacing-4xl) var(--spacing-xl); }
.no-products-found svg { color: var(--color-text-light); margin-bottom: var(--spacing-lg); }
.no-products-found h3 { font-size: var(--font-size-xl); margin-bottom: var(--spacing-sm); }
.no-products-found p { color: var(--color-text); }
.no-products-found a { color: var(--color-primary); font-weight: var(--font-semibold); }

/* ====================================== */
/* Single Product Page                     */
/* ====================================== */
.product-detail-section { padding: var(--spacing-2xl) 0; }
.product-detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-3xl); align-items: start; }

/* Gallery */
.product-gallery { position: sticky; top: 100px; }
.product-gallery-main { border-radius: var(--radius-xl); overflow: hidden; background: var(--color-light-bg); margin-bottom: var(--spacing-md); aspect-ratio: 1; }
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.3s ease; }
.product-gallery-thumbs { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; align-items: center; }
.gallery-thumb { width: 80px; height: 80px; border-radius: var(--radius-md); overflow: hidden; border: 2px solid var(--color-border); cursor: pointer; padding: 0; background: var(--color-light-bg); transition: all var(--transition-fast); }
.gallery-thumb:hover, .gallery-thumb.active { border-color: var(--color-primary); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Product Info Card */
.product-info-card { background: var(--color-light-bg); border-radius: var(--radius-xl); padding: var(--spacing-xl); border: 1px solid var(--color-border); }
.product-info-header { margin-bottom: var(--spacing-lg); }
.product-sku-badge { display: inline-block; padding: 4px 12px; background: var(--color-primary); color: var(--color-white); border-radius: var(--radius-sm); font-size: var(--font-size-xs); font-weight: var(--font-semibold); letter-spacing: 0.5px; margin-bottom: var(--spacing-sm); }
.product-detail-title { font-size: var(--font-size-2xl); font-weight: var(--font-bold); color: var(--color-dark); margin-bottom: var(--spacing-sm); line-height: 1.3; }
.product-detail-price { font-size: var(--font-size-lg); font-weight: var(--font-semibold); color: var(--color-primary); margin-bottom: 0; }

/* Color Selector (below price) */
.product-color-selector { display: flex; align-items: center; gap: var(--spacing-sm); margin-top: var(--spacing-md); padding-top: var(--spacing-md); border-top: 1px solid var(--color-border); }
.color-selector-label { font-size: var(--font-size-sm); font-weight: var(--font-medium); color: var(--color-text); white-space: nowrap; }
.color-selector-dots { display: flex; gap: 8px; flex-wrap: wrap; }
.color-selector-dot { width: 32px; height: 32px; border-radius: 50%; border: 3px solid var(--color-white); box-shadow: 0 0 0 1.5px var(--color-border); cursor: pointer; transition: all var(--transition-fast); padding: 0; background: none; }
.color-selector-dot:hover { transform: scale(1.15); box-shadow: 0 0 0 2px var(--color-primary); }
.color-selector-dot.active { box-shadow: 0 0 0 2.5px var(--color-primary); transform: scale(1.1); }

/* Commitments */
.product-commitments { margin-bottom: var(--spacing-lg); padding-bottom: var(--spacing-lg); border-bottom: 1px solid var(--color-border); }
.commitment-item { display: flex; align-items: center; gap: var(--spacing-sm); font-size: var(--font-size-sm); color: var(--color-dark); margin-bottom: var(--spacing-sm); }
.commitment-item:last-child { margin-bottom: 0; }
.commitment-item svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; }

/* Quote Form */
.quote-form-section { }
.quote-form-title { font-size: var(--font-size-lg); font-weight: var(--font-semibold); color: var(--color-dark); margin-bottom: var(--spacing-md); }
.product-quote-form { }
.quote-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
.quote-form-group { margin-bottom: var(--spacing-sm); }
.quote-form-group label { display: block; font-size: var(--font-size-xs); font-weight: var(--font-semibold); color: var(--color-text); letter-spacing: 0.3px; margin-bottom: 4px; text-transform: uppercase; }
.quote-form-group input,
.quote-form-group textarea { width: 100%; padding: 0.625rem 0.875rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--font-size-sm); background: var(--color-white); transition: border-color var(--transition-fast); }
.quote-form-group input:focus,
.quote-form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(21, 99, 193, 0.1); }
.quote-form-group textarea { min-height: 80px; resize: vertical; }
.quote-submit-btn { width: 100%; margin-top: var(--spacing-sm); font-size: var(--font-size-base); }
.quote-form-note { text-align: center; font-size: var(--font-size-xs); color: var(--color-text); margin-top: var(--spacing-sm); margin-bottom: 0; }

/* ===================== */
/* Description Section   */
/* ===================== */
.product-description-section { padding: var(--spacing-2xl) 0; background: var(--color-white); }
.product-description-layout { display: grid; grid-template-columns: 1fr 300px; gap: var(--spacing-2xl); align-items: start; }
.description-block { background: var(--color-light-bg); border-radius: var(--radius-xl); padding: var(--spacing-xl); border: 1px solid var(--color-border); }
.description-title { display: flex; align-items: center; gap: var(--spacing-sm); font-size: var(--font-size-xl); font-weight: var(--font-bold); color: var(--color-dark); margin-bottom: var(--spacing-lg); }
.description-title svg { width: 22px; height: 22px; color: var(--color-primary); }
.product-content-body { font-size: var(--font-size-base); line-height: 1.8; color: var(--color-text); }
.product-content-body p { margin-bottom: var(--spacing-md); }

/* Feature Tags */
.product-features-tags { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); margin-top: var(--spacing-lg); }
.feature-tag { display: inline-flex; align-items: center; gap: 6px; padding: 0.5rem 1rem; background: var(--color-light-bg); border: 1px solid var(--color-border); border-radius: var(--radius-full); font-size: var(--font-size-sm); color: var(--color-dark); }
.feature-tag svg { width: 14px; height: 14px; color: var(--color-primary); }

/* Sidebar Sticky Wrapper */
.product-sidebar-sticky { position: sticky; top: 100px; display: flex; flex-direction: column; gap: var(--spacing-lg); }

/* Support Widget */
.product-support-widget { background: var(--color-primary); border-radius: var(--radius-xl); padding: var(--spacing-xl); color: var(--color-white); }
.support-badge { font-size: var(--font-size-xs); font-weight: var(--font-bold); letter-spacing: 0.5px; margin-bottom: var(--spacing-md); opacity: 0.8; }
.support-info { }
.support-label { font-size: var(--font-size-sm); opacity: 0.8; display: block; margin-bottom: 4px; }
.support-number { font-size: var(--font-size-2xl); font-weight: var(--font-bold); color: var(--color-white); }
.support-number:hover { color: rgba(255,255,255,0.8); }

/* Latest News Widget */
.product-latest-news-widget { background: var(--color-white); border-radius: var(--radius-xl); padding: var(--spacing-md); border: 1px solid var(--color-border); }
.latest-news-title { font-size: var(--font-size-lg); font-weight: var(--font-bold); color: var(--color-dark); margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-sm); border-bottom: 3px solid var(--color-primary); display: inline-block; }
.latest-news-list { display: flex; flex-direction: column; gap: var(--spacing-md); }
.latest-news-item { display: flex; gap: var(--spacing-sm); align-items: flex-start; text-decoration: none; padding-bottom: var(--spacing-md); border-bottom: 1px solid var(--color-border); transition: all var(--transition-base); }
.latest-news-item:last-child { padding-bottom: 0; border-bottom: none; }
.latest-news-item:hover .latest-news-item-title { color: var(--color-primary); }
.latest-news-thumb { flex-shrink: 0; width: 90px; height: 65px; border-radius: var(--radius-md); overflow: hidden; background: var(--color-light-bg); }
.latest-news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.latest-news-item:hover .latest-news-thumb img { transform: scale(1.05); }
.latest-news-thumb-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--color-text); opacity: 0.4; }
.latest-news-info { flex: 1; min-width: 0; }
.latest-news-item-title { font-size: var(--font-size-sm); font-weight: var(--font-semibold); color: var(--color-dark); line-height: 1.4; margin: 0 0 4px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--transition-base); }
.latest-news-date { display: inline-flex; align-items: center; gap: 4px; font-size: var(--font-size-xs); color: var(--color-text); opacity: 0.7; }
.latest-news-date svg { flex-shrink: 0; }

/* ===================== */
/* Size Chart Section    */
/* ===================== */
.product-size-chart-section { padding: var(--spacing-2xl) 0; background: var(--color-white); }
.size-chart-block { background: var(--color-light-bg); border-radius: var(--radius-xl); padding: var(--spacing-xl); border: 1px solid var(--color-border); }
.size-chart-title { display: flex; align-items: center; gap: var(--spacing-sm); font-size: var(--font-size-xl); font-weight: var(--font-bold); color: var(--color-dark); margin-bottom: var(--spacing-lg); }
.size-chart-title svg { width: 22px; height: 22px; color: var(--color-primary); }
.size-chart-table-wrapper { overflow-x: auto; }
.size-chart-table-wrapper table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.size-chart-table-wrapper thead { background: var(--color-primary); color: var(--color-white); }
.size-chart-table-wrapper th { padding: 0.75rem 1rem; text-align: left; font-weight: var(--font-semibold); font-size: var(--font-size-xs); letter-spacing: 0.3px; text-transform: uppercase; white-space: nowrap; }
.size-chart-table-wrapper td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border); color: var(--color-dark); }
.size-chart-table-wrapper tbody tr:last-child td { border-bottom: none; }
.size-chart-table-wrapper tbody tr:hover { background: rgba(21, 99, 193, 0.04); }
.size-chart-table-wrapper td:first-child { font-weight: var(--font-bold); color: var(--color-primary); }

/* ===================== */
/* Related Products      */
/* ===================== */
.related-products-section { padding: var(--spacing-3xl) 0; background: var(--color-white); }
.related-products-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--spacing-xl); }
.related-products-header h2 { font-size: var(--font-size-2xl); margin-bottom: 0; }
.view-all-link { font-size: var(--font-size-sm); font-weight: var(--font-semibold); color: var(--color-primary); }
.view-all-link:hover { text-decoration: underline; }
.related-products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }

.related-product-card { border-radius: var(--radius-xl); overflow: hidden; background: var(--color-white); border: 1px solid var(--color-border); transition: all var(--transition-base); }
.related-product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.related-product-image { aspect-ratio: 3/4; overflow: hidden; background: var(--color-light-bg); }
.related-product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-product-card:hover .related-product-image img { transform: scale(1.05); }
.related-product-info { padding: var(--spacing-md); }
.related-product-title { font-size: var(--font-size-sm); font-weight: var(--font-semibold); color: var(--color-dark); margin-bottom: 4px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-product-cat { font-size: var(--font-size-xs); color: var(--color-text); }

/* ===================== */
/* Responsive            */
/* ===================== */
@media (max-width: 1024px) {
    .product-archive-layout { grid-template-columns: 220px 1fr; gap: var(--spacing-xl); }
    .product-listing-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail-layout { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
    .product-description-layout { grid-template-columns: 1fr; }
    .product-sidebar-sticky { position: static; }
    .related-products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .product-archive-layout { grid-template-columns: 1fr; }
    .product-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
    .product-sidebar .filter-group:first-child { grid-column: 1 / -1; }
    .product-sidebar .filter-reset-btn { grid-column: 1 / -1; }
    .product-listing-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
    .product-listing-grid.list-view { grid-template-columns: 1fr; }
    .product-detail-layout { grid-template-columns: 1fr; }
    .product-gallery { position: static; }
    .product-gallery-main { aspect-ratio: 4/3; }
    .product-info-card { margin-top: 0; }
    .related-products-grid { grid-template-columns: repeat(2, 1fr); }
    .product-archive-title { font-size: var(--font-size-3xl); }
}

@media (max-width: 480px) {
    .product-sidebar { grid-template-columns: 1fr; }
    .product-listing-grid { grid-template-columns: 1fr; }
    .product-toolbar { flex-direction: column; align-items: flex-start; }
    .toolbar-actions { width: 100%; justify-content: space-between; }
    .quote-form-row { grid-template-columns: 1fr; }
    .gallery-thumb { width: 60px; height: 60px; }
    .related-products-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-sm); }
}