/* Phòng trưng bày UNIT: ảnh dẫn dắt, bộ lọc riêng, thao tác luôn hiện. */
.catalog-showcase {
    --showcase-ink: #102d4b;
    --showcase-blue: #195dc1;
    --showcase-paper: #f7f9fc;
    --showcase-line: #dce4ed;
    background: var(--showcase-paper);
    color: var(--showcase-ink);
}
.catalog-showcase .catalog-daily-banner { background: #eaf3fb; padding-inline: max(5%, calc((100% - 1440px) / 2)); }
.catalog-showcase .catalog-banner-image { background: #f7f9fc; }
.catalog-showcase .catalog-banner-name a:hover { text-decoration: underline; text-underline-offset: 5px; }
.catalog-showcase .catalog-banner-actions strong { font-size: 1.1rem; }
.catalog-showcase .catalog-categories {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 32px;
    padding: 0 max(5%, calc((100% - 1440px) / 2));
    background: white;
    border-bottom: 1px solid var(--showcase-line);
}
.catalog-categories a { display: inline-flex; align-items: center; min-width: 0; max-width: 100%; overflow-wrap: anywhere; min-height: 64px; padding: 14px 0; border-bottom: 3px solid transparent; color: #52687d; font-size: .9rem; }
.catalog-categories a[aria-current="page"] { color: var(--showcase-ink); border-color: var(--showcase-blue); font-weight: 700; }
.catalog-categories a:hover { color: var(--showcase-blue); }
.catalog-showcase .catalog-section { max-width: 1600px; padding: 36px 5% 64px; }
.catalog-showroom { display: grid; grid-template-columns: 224px minmax(0, 1fr); align-items: start; gap: clamp(24px, 3vw, 48px); }
.catalog-filter-panel { min-width: 0; background: white; border: 1px solid var(--showcase-line); }
.catalog-filter-panel > summary { position: relative; cursor: pointer; padding: 20px; min-height: 60px; font-weight: 700; font-size: .95rem; list-style: none; }
.catalog-filter-panel > summary::-webkit-details-marker { display: none; }
.catalog-filter-panel > summary::after { content: '+'; position: absolute; right: 20px; font-size: 1.1rem; font-weight: 400; }
.catalog-filter-panel[open] > summary::after { content: '−'; }
.catalog-filter-panel[open] > summary { border-bottom: 1px solid var(--showcase-line); }
.catalog-showcase .catalog-filter-panel .filters { display: grid; grid-template-columns: minmax(0, 1fr); border: 0; margin: 0; padding: 20px; gap: 20px; }
.catalog-showcase .catalog-filter-panel .filters label { min-width: 0; font-size: .8rem; font-weight: 600; gap: 8px; }
.catalog-showcase .catalog-filter-panel .filters .search-label { width: auto; min-width: 0; }
.catalog-showcase .catalog-filter-panel .filters input:not([type="checkbox"]),
.catalog-showcase .catalog-filter-panel .filters select { min-width: 0; width: 100%; min-height: 46px; padding: 11px 10px; border-color: #c6d2e0; font-size: .84rem; font-weight: 400; background: white; }
.catalog-showcase .catalog-filter-panel .filters input::placeholder { color: #64788a; }
.catalog-showcase .catalog-filter-panel .filters > button { grid-column: auto; grid-row: auto; min-height: 48px; padding: 12px; font-size: .9rem; }
.catalog-showcase .catalog-filter-details { border-color: var(--showcase-line); padding-top: 8px; }
.catalog-showcase .catalog-filter-details > summary { font-size: .82rem; line-height: 1.6; padding: 12px 0; }
.catalog-showcase .catalog-filter-options { grid-template-columns: minmax(0, 1fr); padding-top: 8px; gap: 16px; }
.catalog-showcase .catalog-filter-panel .catalog-stock-filter { align-items: flex-start; font-weight: 400; line-height: 1.5; }
.catalog-showcase .catalog-stock-filter input { flex: 0 0 20px; }
.catalog-gallery { min-width: 0; }
.catalog-showcase .catalog-results-heading { margin: 0 0 26px; gap: 12px 20px; align-items: center; }
.catalog-showcase .catalog-results-heading h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.3; }
.catalog-showcase .catalog-results-heading .result-count { margin: 8px 0 0; font-size: .85rem; color: #52687d; }
.catalog-current-sort { display: inline-block; color: #52687d; font-size: .82rem; padding: 8px 0; }
.catalog-showcase .catalog-active-filters { margin-bottom: 20px; font-size: .8rem; gap: 8px; }
.catalog-showcase .catalog-active-filters > span { min-width: 0; max-width: 100%; overflow-wrap: anywhere; background: #eaf3fb; border: 1px solid var(--showcase-line); }
.catalog-showcase .everyday-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 20px; align-items: stretch; }
.catalog-showcase .catalog-product-card { display: flex; flex-direction: column; min-width: 0; padding: 0; border: 1px solid var(--showcase-line); background: white; transition: border-color 180ms ease, box-shadow 180ms ease; }
.catalog-showcase .catalog-product-image { display: block; position: relative; flex-shrink: 0; aspect-ratio: 4 / 5; margin: 0; background: #edf1f5; }
.catalog-showcase .catalog-product-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.catalog-showcase .catalog-product-image .stock-label { position: absolute; top: 12px; left: 12px; right: auto; bottom: auto; padding: 6px 10px; background: white; color: #244d43; border: 1px solid #dce4ed; border-radius: 0; font-size: .7rem; font-weight: 500; }
.catalog-showcase .is-unavailable .stock-label { color: #52687d; background: #f7f9fc; }
.catalog-showcase .catalog-product-body { display: flex; flex-direction: column; flex: 1; padding: 18px; min-width: 0; }
.catalog-showcase .catalog-product-meta { display: flex; flex-direction: row; justify-content: space-between; gap: 6px 10px; margin: 0 0 10px; color: #64788a; font-size: .72rem; line-height: 1.5; }
.catalog-showcase .catalog-product-card h3 { margin: 0 0 12px; font-size: 1rem; font-weight: 500; line-height: 1.5; }
.catalog-showcase .catalog-product-card h3 a:hover { color: var(--showcase-blue); }
.catalog-showcase .catalog-product-price { margin: auto 0 16px; padding-top: 4px; font-size: 1.12rem; font-weight: 700; letter-spacing: -.02em; }
.catalog-product-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; align-items: stretch; border-top: 1px solid #edf1f5; padding-top: 14px; }
.catalog-showcase .catalog-purchase-form { display: grid; gap: 10px; margin: 0; }
.catalog-showcase .catalog-purchase-quantity { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0; color: #52687d; font-size: .78rem; font-weight: 400; }
.catalog-showcase .catalog-purchase-quantity input { width: 68px; min-width: 0; min-height: 38px; padding: 6px 8px; border: 1px solid #c6d2e0; border-radius: 0; }
.catalog-purchase-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.catalog-showcase .catalog-purchase-buttons .button { width: 100%; min-height: 44px; padding: 10px 6px; border-radius: 0; gap: 0; font-size: .78rem; line-height: 1.4; }
.catalog-showcase .catalog-product-links { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px 14px; }
.catalog-showcase .catalog-product-details { display: inline-flex; align-items: center; min-height: 36px; padding: 4px 0; color: #52687d; font-size: .76rem; text-decoration: underline; text-underline-offset: 4px; }
.catalog-showcase .catalog-purchase-form .cart-feedback { min-height: 0; margin: 0; font-size: .76rem; overflow-wrap: anywhere; }
.catalog-showcase .catalog-purchase-form .cart-feedback:empty { display: none; }
.catalog-showcase .catalog-product-actions .product-compare-action { display: flex; margin: 0; }
.catalog-showcase .catalog-product-actions .compare-button { min-height: 36px; padding: 4px 0; border: 0; border-radius: 0; color: #52687d; font-size: .76rem; background: white; }
.catalog-showcase .catalog-product-actions .compare-button[aria-pressed="true"] { color: var(--showcase-blue); background: #eaf3fb; border-color: var(--showcase-blue); }
.catalog-showcase .catalog-product-details:hover { color: #195dc1; }
.catalog-showcase .catalog-product-actions .compare-button:hover { border-color: #195dc1; color: #195dc1; }
.catalog-showcase .pagination-summary { margin-top: 32px; font-size: .85rem; }
.catalog-showcase .pagination { margin-top: 18px; }
.catalog-showcase .empty { background: white; padding: 32px; border: 1px solid var(--showcase-line); }
.catalog-showcase a:focus-visible, .catalog-showcase button:focus-visible,
.catalog-showcase summary:focus-visible { outline: 2px solid var(--showcase-blue); outline-offset: 3px; }
.catalog-showcase .catalog-product-image:focus-visible { outline-offset: -3px; }
@media (hover: hover) and (pointer: fine) {
    .catalog-showcase .catalog-product-card:hover { border-color: #a5bbd5; box-shadow: 0 8px 24px #102d4b0b; }
}
@media (max-width: 1100px) {
    .catalog-showroom { grid-template-columns: 204px minmax(0, 1fr); gap: 24px; }
    .catalog-showcase .everyday-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
    .catalog-showroom { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .catalog-showcase .catalog-filter-panel .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .catalog-showcase .catalog-filter-panel .filters > button { grid-column: auto; grid-row: auto; align-self: end; }
    .catalog-showcase .catalog-filter-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .catalog-showcase .catalog-categories { gap: 0 24px; }
}
@media (max-width: 600px) {
    .catalog-showcase .catalog-daily-banner { padding-inline: 18px; }
    .catalog-showcase .catalog-categories { padding: 0 18px; gap: 0 20px; }
    .catalog-categories a { min-height: 50px; padding-block: 10px; font-size: .8rem; }
    .catalog-showcase .catalog-section { padding: 24px 18px 40px; }
    .catalog-showroom { gap: 22px; }
    .catalog-filter-panel > summary { padding: 16px; min-height: 54px; font-size: .9rem; }
    .catalog-showcase .catalog-filter-panel .filters { padding: 16px; gap: 16px; }
    .catalog-showcase .catalog-results-heading { margin-bottom: 20px; }
    .catalog-showcase .catalog-results-heading h2 { font-size: 1.55rem; }
    .catalog-showcase .everyday-grid { gap: 18px 12px; }
    .catalog-showcase .catalog-product-body { padding: 12px; }
    .catalog-showcase .catalog-product-meta { flex-direction: column; font-size: .7rem; gap: 2px; margin-bottom: 8px; }
    .catalog-showcase .catalog-product-card h3 { font-size: .9rem; margin-bottom: 10px; }
    .catalog-showcase .catalog-product-price { font-size: 1rem; margin-bottom: 12px; }
    .catalog-showcase .catalog-product-image .stock-label { top: 8px; left: 8px; font-size: .64rem; padding: 4px 7px; }
    .catalog-product-actions { grid-template-columns: minmax(0, 1fr); gap: 8px; padding-top: 12px; }
    .catalog-purchase-buttons { grid-template-columns: minmax(0, 1fr); }
    .catalog-showcase .catalog-product-details, .catalog-showcase .catalog-product-actions .compare-button { font-size: .75rem; }
    .catalog-showcase .empty { padding: 24px 18px; }
}
@media (max-width: 380px) {
    .catalog-showcase .catalog-filter-panel .filters, .catalog-showcase .catalog-filter-options { grid-template-columns: minmax(0, 1fr); }
    .catalog-showcase .catalog-product-body { padding: 10px; }
    .catalog-showcase .catalog-product-card h3 { font-size: .82rem; }
    .catalog-showcase .catalog-current-sort { padding: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .catalog-showcase .catalog-product-card, .catalog-showcase .catalog-product-image img { transition: none; }
    .catalog-showcase .catalog-product-card:hover img { transform: none; }
}
.catalog-ajax-feedback:not([data-error]) {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}
.catalog-ajax-feedback[data-error] {
    margin: 16px 5%;
    padding: 12px 16px;
    border-left: 3px solid var(--blue);
    background: #edf4fc;
}
.catalog-ajax-feedback p { margin: 0; }
.catalog-ajax-feedback a { text-decoration: underline; }
.catalog-showcase #results[aria-busy="true"] .result-count::after {
    content: " · Đang cập nhật";
    color: var(--blue);
}
.catalog-showcase [data-catalog-heading] { scroll-margin-block-start: 120px; }