/* ==========================================================================
   Vatlieuso — archive.css  (append: category tree + product card)
   ========================================================================== */

/* ------ Category tree (archive-vatlieu.php) ------------------- */
.vls-category-tree { padding: var(--sp-2) 0; }
.vls-cat-tree-group { border-bottom: 1px solid var(--border-1); }
.vls-cat-tree-group:last-child { border-bottom: none; }

.vls-cat-tree-group__head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-body);
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--fg-1);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.vls-cat-tree-group__head:hover { background: var(--bg-sunken); color: var(--accent); }
.vls-cat-tree-group__head.is-active { color: var(--accent); }
.vls-cat-tree-group__head .vls-icon { flex-shrink: 0; color: var(--fg-3); }

.vls-cat-tree-group__arrow {
  margin-left: auto;
  transition: transform var(--dur-fast);
  color: var(--fg-3) !important;
}
.vls-cat-tree-group.is-open .vls-cat-tree-group__arrow { transform: rotate(90deg); }

.vls-cat-tree-group__children {
  display: none;
  background: var(--bg-sunken);
  padding: var(--sp-1) 0;
}
.vls-cat-tree-group.is-open .vls-cat-tree-group__children { display: block; }

.vls-cat-tree-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px var(--sp-4) 6px var(--sp-8);
  font-family: var(--font-body);
  font-size: var(--fs-13);
  color: var(--fg-2);
  text-decoration: none;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.vls-cat-tree-child:hover { color: var(--accent); background: var(--bg-surface); }
.vls-cat-tree-child.is-active { color: var(--accent); font-weight: 600; }

/* Apply button in sidebar */
.vls-sidebar__apply {
  padding: var(--sp-4);
  border-top: 1px solid var(--border-1);
}
.vls-btn--block { width: 100%; justify-content: center; }

/* Active filter badge in toolbar */
.vls-archive-toolbar__filter-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: var(--fs-12);
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--r-1);
  margin-right: var(--sp-2);
}
.vls-archive-toolbar__filter-badge a {
  color: var(--accent);
  font-size: var(--fs-14);
  line-height: 1;
  text-decoration: none;
  margin-left: var(--sp-1);
  opacity: 0.7;
  transition: opacity var(--dur-fast);
}
.vls-archive-toolbar__filter-badge a:hover { opacity: 1; }

/* ------ Product Card (template-parts/product-card.php) --------- */
.vls-product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}
.vls-product-grid--related { grid-template-columns: repeat(4, 1fr); }

/* List view override (toggled by JS) */
.vls-product-grid.is-list { grid-template-columns: 1fr; }
.vls-product-grid.is-list .vls-pcard {
  flex-direction: row;
  align-items: center;
}
.vls-product-grid.is-list .vls-pcard__thb { width: 180px; flex-shrink: 0; aspect-ratio: 4/3; }
.vls-product-grid.is-list .vls-pcard__body { flex: 1; min-width: 0; }

.vls-pcard__body-link {
  display: flex;
  flex: 1;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.vls-pcard {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  display: flex;
  flex-direction: column;
}
.vls-pcard:hover {
  border-color: var(--fg-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.vls-pcard__thb {
  aspect-ratio: 5/4;
  background: var(--bg-sunken);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.vls-pcard__thb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 8px, rgba(14,13,9,0.02) 8px 9px);
  pointer-events: none;
}
.vls-pcard__thb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s var(--ease-out);
}
.vls-pcard:hover .vls-pcard__thb img { transform: scale(1.04); }

.vls-pcard__tag {
  position: absolute;
  top: 10px;
  left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-1);
  z-index: 2;
}
.vls-pcard__tag svg { flex-shrink: 0; }
.vls-pcard__tag--navy      { background: #1F3355; color: #fff; }
.vls-pcard__tag--accent    { background: var(--accent); color: #26251F; }
.vls-pcard__tag--success   { background: var(--c-success); color: #fff; }
.vls-pcard__tag--gold      { background: linear-gradient(135deg,#FFD75E,#F5A623); color: #3A2E12; }

.vls-pcard__thb-label {
  position: absolute;
  bottom: 8px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  z-index: 2;
}

/* ------ SEO content below listings ----------------------------- */
.vls-seo-block {
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-8);
  padding: clamp(26px, 4vw, 44px);
  background:
    linear-gradient(135deg, rgba(247,201,72,0.12), rgba(255,255,255,0) 36%),
    var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  box-shadow: 0 18px 45px rgba(21,36,69,0.08);
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 44px);
}
.vls-seo-block h2 {
  margin: 0 0 var(--sp-3);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: var(--lh-tight);
  color: var(--fg-1);
}
.vls-seo-block p {
  margin: 0 0 var(--sp-4);
  color: var(--fg-2);
  line-height: 1.72;
}
.vls-seo-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-2);
}
.vls-seo-block li {
  position: relative;
  padding: 10px 12px 10px 34px;
  background: var(--bg-sunken);
  border: 1px solid var(--border-1);
  border-radius: 8px;
  color: var(--fg-2);
  line-height: 1.6;
}
.vls-seo-block li::before {
  content: '✓';
  position: absolute;
  left: 12px;
  top: 10px;
  width: auto;
  height: auto;
  border-radius: 50%;
  background: none;
  color: #087443;
  font-weight: 800;
}
.vls-seo-faq {
  border-top: 1px solid var(--border-1);
  padding-top: clamp(22px, 3vw, 32px);
}
.vls-seo-faq h2 {
  font-size: clamp(20px, 2vw, 26px);
}
.vls-seo-faq__item {
  border: 1px solid var(--border-1);
  border-radius: 8px;
  padding: 0;
  background: var(--bg-surface);
  overflow: hidden;
}
.vls-seo-faq__item + .vls-seo-faq__item { margin-top: 10px; }
.vls-seo-faq__item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--fg-1);
  line-height: 1.45;
  padding: 14px 16px;
  list-style: none;
}
.vls-seo-faq__item summary::-webkit-details-marker { display: none; }
.vls-seo-faq__item summary::after {
  content: '+';
  float: right;
  color: var(--accent);
  font-size: 20px;
  line-height: 1;
  margin-left: 12px;
}
.vls-seo-faq__item[open] summary {
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--border-1);
}
.vls-seo-faq__item[open] summary::after {
  content: '−';
}
.vls-seo-faq__item p {
  margin: 0;
  padding: 14px 16px 16px;
  font-size: var(--fs-14);
}

@media (max-width: 860px) {
  .vls-seo-block {
    padding: var(--sp-5);
  }
}

.vls-pcard__body {
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.vls-pcard__brand {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: var(--sp-1);
}
.vls-pcard__name {
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--fg-1);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--sp-2);
  min-height: 38px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.vls-pcard__spec {
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  color: var(--fg-2);
  margin-bottom: var(--sp-3);
  flex: 1;
}
.vls-pcard__price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--sp-1);
}
.vls-pcard__price {
  font-family: var(--font-mono);
  font-size: var(--fs-15);
  font-weight: 700;
  color: var(--fg-1);
  font-feature-settings: "tnum" 1;
}
.vls-pcard__unit {
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  color: var(--fg-3);
  font-weight: 400;
}
.vls-pcard__delta {
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  font-weight: 700;
}
.vls-pcard__delta--up { color: var(--c-success); }
.vls-pcard__delta--dn { color: var(--c-danger); }

.vls-pcard__footer {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding: var(--sp-2) var(--sp-4);
  border-top: 1px solid var(--border-1);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  margin-right: calc(-1 * var(--sp-4));
  margin-bottom: calc(-1 * var(--sp-3));
  margin-left: calc(-1 * var(--sp-4));
}

/* Pagination */
.vls-pagination ul {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  list-style: none;
  padding: 0;
  margin: var(--sp-7) 0 var(--sp-3);
}
.vls-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--sp-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-2);
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  color: var(--fg-2);
  text-decoration: none;
  background: var(--bg-surface);
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.vls-pagination .page-numbers:hover { border-color: var(--accent); color: var(--accent); }
.vls-pagination .current {
  background: var(--fg-1);
  border-color: var(--fg-1);
  color: #fff;
  pointer-events: none;
}
.vls-pagination .dots { border: none; background: transparent; }

/* ------ Sidebar for all-products page ------------------------- */
.vls-archive-sidebar--all { overflow: visible; max-height: none; }

/* ====== Responsive ====== */
@media (max-width: 1200px) {
  .vls-product-grid,
  .vls-product-grid--related { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .vls-product-grid,
  .vls-product-grid--related { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .vls-product-grid,
  .vls-product-grid--related { grid-template-columns: 1fr; }
}