/* =============================================
   BEST SUPPLY 1999 — Product Catalog Styles
   catalog.css  v1.0
   Inherits root variables from style.css
   ============================================= */

/* ───────── CATALOG PAGE SHELL ───────── */
.catalog-page {
  min-height: 100vh;
  background: #f8fafc;
  padding-top: 0;
}

/* ───────── CATALOG HERO BANNER ───────── */
.catalog-hero {
  background: linear-gradient(135deg, #0f2a17 0%, #16a34a 60%, #22c55e 100%);
  padding: 52px 20px 44px;
  position: relative;
  overflow: hidden;
}
.catalog-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.catalog-hero-inner {
  max-width: 1200px; margin: 0 auto;
  position: relative; z-index: 1;
}
.catalog-hero-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 16px; flex-wrap: wrap;
}
.catalog-hero-breadcrumb a { color: rgba(255,255,255,0.65); transition: 0.2s; }
.catalog-hero-breadcrumb a:hover { color: #fff; }
.catalog-hero-breadcrumb i { font-size: 10px; }
.catalog-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800; color: #fff; margin-bottom: 10px; line-height: 1.25;
}
.catalog-hero p {
  color: rgba(255,255,255,0.8); font-size: 15px; max-width: 600px; line-height: 1.6;
}
.catalog-hero-stats {
  display: flex; gap: 24px; margin-top: 24px; flex-wrap: wrap;
}
.chs-item {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px; padding: 12px 20px;
  text-align: center; color: #fff;
}
.chs-item strong { display: block; font-size: 1.3rem; font-weight: 800; }
.chs-item span { font-size: 12px; opacity: 0.8; }

/* ───────── CATALOG LAYOUT ───────── */
.catalog-layout {
  max-width: 1200px; margin: 0 auto;
  padding: 28px 20px 60px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  align-items: start;
}

/* ───────── SIDEBAR ───────── */
.cat-sidebar {
  position: sticky; top: 76px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  overflow: hidden;
}
.cat-sidebar-header {
  padding: 16px 18px;
  background: linear-gradient(135deg, #16a34a, #15803d);
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-weight: 700; font-size: 14px;
}
.cat-sidebar-header i { font-size: 15px; opacity: 0.85; }
.cat-sidebar-search {
  padding: 12px 14px;
  border-bottom: 1px solid #f1f5f9;
}
.cat-sidebar-search-wrap {
  display: flex; align-items: center; gap: 8px;
  background: #f8fafc; border: 1.5px solid #e2e8f0;
  border-radius: 10px; padding: 8px 12px;
  transition: 0.2s;
}
.cat-sidebar-search-wrap:focus-within {
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.1);
}
.cat-sidebar-search-wrap i { color: #94a3b8; font-size: 13px; }
.cat-sidebar-search-wrap input {
  border: none; outline: none; background: none;
  font-family: 'Sarabun', sans-serif; font-size: 13.5px; color: #1e293b; width: 100%;
}
.cat-sidebar-search-wrap input::placeholder { color: #94a3b8; }

.cat-list { padding: 6px 0 8px; }
.cat-item {
  display: flex; flex-direction: column;
}
.cat-item-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px; cursor: pointer;
  transition: 0.2s; border: none; background: none; width: 100%;
  text-align: left; font-family: 'Sarabun', sans-serif;
}
.cat-item-btn:hover { background: #f8fafc; }
.cat-item-btn.active { background: #f0fdf4; }
.cat-item-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: grid; place-items: center; font-size: 14px;
  flex-shrink: 0; transition: 0.2s;
}
.cat-item-label {
  flex: 1; font-size: 13.5px; font-weight: 500; color: #1e293b; line-height: 1.3;
}
.cat-item-btn.active .cat-item-label { color: #16a34a; font-weight: 700; }
.cat-item-count {
  font-size: 11px; background: #f1f5f9; color: #64748b;
  padding: 2px 7px; border-radius: 20px; font-weight: 600;
}
.cat-item-btn.active .cat-item-count { background: #dcfce7; color: #16a34a; }
.cat-item-chevron { font-size: 10px; color: #94a3b8; transition: 0.25s; flex-shrink: 0; }
.cat-item-btn.open .cat-item-chevron { transform: rotate(90deg); }

.subcat-list {
  display: none; padding: 0 0 4px 60px;
  flex-direction: column; gap: 1px;
}
.subcat-list.open { display: flex; }
.subcat-btn {
  padding: 7px 12px; font-size: 13px; color: #475569; cursor: pointer;
  border-radius: 8px; transition: 0.15s; text-align: left;
  background: none; border: none; font-family: 'Sarabun', sans-serif; width: 100%;
}
.subcat-btn:hover { background: #f0fdf4; color: #16a34a; }
.subcat-btn.active { background: #dcfce7; color: #16a34a; font-weight: 600; }

.cat-sidebar-all {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px 12px; cursor: pointer;
  border: none; background: none; width: 100%; text-align: left;
  font-family: 'Sarabun', sans-serif; transition: 0.2s;
  border-top: 1px solid #f1f5f9; margin-top: 4px;
}
.cat-sidebar-all:hover { background: #f8fafc; }
.cat-sidebar-all.active { background: #f0fdf4; }
.cat-sidebar-all-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: #f1f5f9; display: grid; place-items: center;
  font-size: 14px; color: #64748b;
}
.cat-sidebar-all.active .cat-sidebar-all-icon { background: #dcfce7; color: #16a34a; }
.cat-sidebar-all-label { font-size: 13.5px; font-weight: 500; color: #1e293b; }
.cat-sidebar-all.active .cat-sidebar-all-label { color: #16a34a; font-weight: 700; }

/* ───────── MAIN CONTENT AREA ───────── */
.cat-main {}

/* Toolbar */
.cat-toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.cat-toolbar-left { flex: 1; min-width: 200px; }
.cat-toolbar-title {
  font-size: 1.15rem; font-weight: 700; color: #1e293b;
}
.cat-toolbar-sub { font-size: 13px; color: #64748b; margin-top: 2px; }
.cat-toolbar-right {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.cat-search-bar {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1.5px solid #e2e8f0;
  border-radius: 10px; padding: 9px 14px;
  min-width: 220px; transition: 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.cat-search-bar:focus-within { border-color: #16a34a; box-shadow: 0 0 0 3px rgba(22,163,74,0.1); }
.cat-search-bar i { color: #94a3b8; font-size: 13px; }
.cat-search-bar input { border: none; outline: none; font-family: 'Sarabun', sans-serif; font-size: 14px; color: #1e293b; width: 100%; background: none; }
.cat-sort-select {
  padding: 9px 14px; border: 1.5px solid #e2e8f0; border-radius: 10px;
  font-family: 'Sarabun', sans-serif; font-size: 14px; color: #1e293b;
  background: #fff; cursor: pointer; outline: none; transition: 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.cat-sort-select:focus { border-color: #16a34a; }
.cat-view-toggle { display: flex; gap: 4px; }
.cat-view-btn {
  width: 38px; height: 38px; border-radius: 9px;
  display: grid; place-items: center; font-size: 15px;
  color: #94a3b8; background: #fff; border: 1.5px solid #e2e8f0;
  cursor: pointer; transition: 0.2s;
}
.cat-view-btn.active, .cat-view-btn:hover { background: #16a34a; color: #fff; border-color: #16a34a; }

/* Active filter chips */
.cat-filter-chips {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px;
}
.cat-chip {
  display: flex; align-items: center; gap: 6px;
  background: #dcfce7; color: #15803d;
  border-radius: 20px; padding: 5px 12px;
  font-size: 13px; font-weight: 600;
}
.cat-chip-remove {
  background: none; border: none; cursor: pointer; color: #15803d;
  padding: 0; font-size: 13px; line-height: 1; display: flex; align-items: center;
}
.cat-chip-remove:hover { color: #dc2626; }

/* ───────── CATEGORY ICON GRID (top of page) ───────── */
.cat-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.cat-icon-card {
  background: #fff; border: 1.5px solid #e2e8f0;
  border-radius: 14px; padding: 16px 12px;
  display: flex; flex-direction: column; align-items: center;
  gap: 10px; cursor: pointer; transition: 0.25s;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.cat-icon-card:hover, .cat-icon-card.active {
  border-color: #16a34a; box-shadow: 0 4px 16px rgba(22,163,74,0.15);
  transform: translateY(-2px);
}
.cat-icon-card.active { background: #f0fdf4; }
.cat-icon-card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 22px;
  transition: 0.25s;
}
.cat-icon-card-name { font-size: 12.5px; font-weight: 600; color: #1e293b; line-height: 1.3; }
.cat-icon-card.active .cat-icon-card-name { color: #16a34a; }
.cat-icon-card-count { font-size: 11px; color: #94a3b8; }

/* ───────── PRODUCT GRID ───────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
}
.product-grid.list-view {
  grid-template-columns: 1fr;
}

/* ───────── PRODUCT CARD ───────── */
.product-card {
  background: #fff;
  border: 1.5px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  transition: 0.28s;
  display: flex; flex-direction: column;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  cursor: pointer;
}
.product-card:hover {
  border-color: #16a34a;
  box-shadow: 0 8px 28px rgba(22,163,74,0.14);
  transform: translateY(-3px);
}
.product-card-img {
  aspect-ratio: 4/3; overflow: hidden; background: #f8fafc;
  position: relative;
}
.product-card-img img {
  width: 100%; height: 100%; object-fit: contain;
  padding: 12px; transition: 0.35s;
}
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-img-placeholder {
  width: 100%; height: 100%;
  display: grid; place-items: center;
}
.product-badge {
  position: absolute; top: 10px; left: 10px;
  background: #f59e0b; color: #fff;
  font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
  box-shadow: 0 2px 6px rgba(245,158,11,0.4);
}
.product-badge.instock { background: #16a34a; }
.product-card-body {
  padding: 14px 16px 16px;
  display: flex; flex-direction: column; gap: 6px; flex: 1;
}
.product-card-brand {
  font-size: 11px; font-weight: 700; color: #16a34a;
  text-transform: uppercase; letter-spacing: 0.4px;
}
.product-card-name {
  font-size: 14px; font-weight: 700; color: #1e293b;
  line-height: 1.4; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-card-sku { font-size: 11.5px; color: #94a3b8; }
.product-card-price {
  margin-top: auto; padding-top: 10px;
}
.price-label { font-size: 11.5px; color: #94a3b8; }
.price-value {
  font-size: 1.25rem; font-weight: 800; color: #16a34a;
  line-height: 1.1;
}
.price-unit { font-size: 12px; color: #64748b; font-weight: 500; }
.price-note { font-size: 11.5px; color: #f59e0b; font-weight: 500; margin-top: 2px; }
.product-card-actions {
  display: flex; gap: 8px; margin-top: 12px;
}
.btn-call-order {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #fff; border-radius: 10px; padding: 10px 8px;
  font-family: 'Sarabun', sans-serif; font-size: 13.5px; font-weight: 700;
  border: none; cursor: pointer; transition: 0.25s;
  box-shadow: 0 3px 10px rgba(22,163,74,0.25);
}
.btn-call-order:hover { background: linear-gradient(135deg, #15803d, #166534); transform: translateY(-1px); box-shadow: 0 5px 16px rgba(22,163,74,0.35); }
.btn-line-inquire {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px;
  display: grid; place-items: center; font-size: 18px;
  background: #06c755; color: #fff; border: none; cursor: pointer;
  transition: 0.25s; box-shadow: 0 3px 10px rgba(6,199,85,0.3);
}
.btn-line-inquire:hover { background: #05a847; transform: translateY(-1px); box-shadow: 0 5px 16px rgba(6,199,85,0.4); }

/* List view card override */
.product-grid.list-view .product-card {
  flex-direction: row; max-height: 160px;
}
.product-grid.list-view .product-card-img {
  width: 160px; min-width: 160px; aspect-ratio: unset; height: auto;
}
.product-grid.list-view .product-card-body {
  flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 8px 16px;
}
.product-grid.list-view .product-card-name {
  -webkit-line-clamp: 1; font-size: 15px; width: 100%;
}
.product-grid.list-view .product-card-price { margin-top: 0; padding-top: 0; }
.product-grid.list-view .product-card-actions { margin-top: 0; align-items: flex-end; }

/* ───────── EMPTY STATE ───────── */
.cat-empty {
  text-align: center; padding: 64px 20px;
  color: #94a3b8;
}
.cat-empty i { font-size: 3.5rem; display: block; margin-bottom: 16px; color: #cbd5e1; }
.cat-empty h3 { font-size: 1.1rem; color: #475569; margin-bottom: 8px; }
.cat-empty p { font-size: 14px; }

/* ───────── PAGINATION ───────── */
.cat-pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 6px; margin-top: 32px; flex-wrap: wrap;
}
.page-btn {
  min-width: 36px; height: 36px; border-radius: 9px;
  display: grid; place-items: center; font-size: 14px; font-weight: 600;
  color: #475569; background: #fff; border: 1.5px solid #e2e8f0;
  cursor: pointer; transition: 0.2s; padding: 0 10px;
  font-family: 'Sarabun', sans-serif;
}
.page-btn:hover { border-color: #16a34a; color: #16a34a; }
.page-btn.active { background: #16a34a; color: #fff; border-color: #16a34a; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ───────── PRODUCT DETAIL MODAL ───────── */
.pdp-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.55); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 16px; opacity: 0; visibility: hidden; transition: 0.3s;
}
.pdp-modal-overlay.open { opacity: 1; visibility: visible; }
.pdp-modal {
  background: #fff; border-radius: 20px;
  max-width: 900px; width: 100%; max-height: 90vh;
  overflow-y: auto; display: flex; flex-direction: column;
  transform: scale(0.95); transition: 0.3s;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
}
.pdp-modal-overlay.open .pdp-modal { transform: scale(1); }
.pdp-modal-header {
  position: sticky; top: 0; background: #fff; z-index: 10;
  padding: 16px 20px; border-bottom: 1px solid #f1f5f9;
  display: flex; align-items: center; gap: 12px;
}
.pdp-modal-close {
  margin-left: auto; width: 36px; height: 36px; border-radius: 9px;
  display: grid; place-items: center;
  background: #f1f5f9; border: none; cursor: pointer; font-size: 16px; color: #64748b;
  transition: 0.2s;
}
.pdp-modal-close:hover { background: #fee2e2; color: #dc2626; }
.pdp-modal-body {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0;
}
.pdp-gallery {
  padding: 24px; background: #f8fafc; position: relative;
}
.pdp-gallery-main {
  border-radius: 14px; overflow: hidden; background: #fff;
  border: 1px solid #e2e8f0; aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.pdp-gallery-main img {
  width: 100%; height: 100%; object-fit: contain; padding: 20px;
}
.pdp-gallery-placeholder {
  font-size: 5rem; color: #cbd5e1;
}
.pdp-info { padding: 24px; overflow-y: auto; }
.pdp-brand { font-size: 12px; font-weight: 700; color: #16a34a; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.pdp-name { font-size: 1.15rem; font-weight: 800; color: #1e293b; line-height: 1.35; margin-bottom: 6px; }
.pdp-sku { font-size: 12px; color: #94a3b8; margin-bottom: 16px; }
.pdp-price-block {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border: 1.5px solid #86efac; border-radius: 14px;
  padding: 16px 18px; margin-bottom: 18px;
}
.pdp-price-label { font-size: 12px; color: #64748b; margin-bottom: 4px; }
.pdp-price-value { font-size: 2rem; font-weight: 800; color: #16a34a; line-height: 1; }
.pdp-price-unit { font-size: 14px; color: #64748b; font-weight: 500; }
.pdp-price-note { font-size: 12.5px; color: #f59e0b; font-weight: 600; margin-top: 6px; }
.pdp-cta-group {
  display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px;
}
.btn-pdp-call {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #fff; border-radius: 12px; padding: 14px;
  font-family: 'Sarabun', sans-serif; font-size: 15px; font-weight: 700;
  border: none; cursor: pointer; transition: 0.25s;
  box-shadow: 0 4px 14px rgba(22,163,74,0.3);
}
.btn-pdp-call:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22,163,74,0.4); }
.btn-pdp-line {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #06c755; color: #fff; border-radius: 12px; padding: 13px;
  font-family: 'Sarabun', sans-serif; font-size: 15px; font-weight: 700;
  border: none; cursor: pointer; transition: 0.25s;
  box-shadow: 0 4px 14px rgba(6,199,85,0.3);
}
.btn-pdp-line:hover { background: #05a847; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(6,199,85,0.4); }
.pdp-description {
  font-size: 14px; color: #475569; line-height: 1.7;
  margin-bottom: 18px;
}
.pdp-specs-title {
  font-size: 13.5px; font-weight: 700; color: #1e293b; margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.pdp-specs-table { width: 100%; border-collapse: collapse; }
.pdp-specs-table tr:nth-child(even) td { background: #f8fafc; }
.pdp-specs-table td {
  padding: 8px 10px; font-size: 13px; border-bottom: 1px solid #f1f5f9;
  color: #475569;
}
.pdp-specs-table td:first-child { font-weight: 600; color: #1e293b; width: 45%; }

/* ───────── FLOATING CTA BUTTONS (reused from main) ───────── */
.float-group {
  position: fixed; bottom: 24px; right: 20px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 500;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 16px;
  display: grid; place-items: center; font-size: 22px;
  color: #fff; box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  transition: 0.25s;
}
.float-btn:hover { transform: translateY(-3px) scale(1.08); }
.phone-float { background: linear-gradient(135deg, #16a34a, #15803d); box-shadow: 0 6px 20px rgba(22,163,74,0.45); }
.line-float { background: #06c755; box-shadow: 0 6px 20px rgba(6,199,85,0.45); }

/* ───────── SKELETON LOADING ───────── */
.skeleton {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 8px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-card {
  background: #fff; border: 1.5px solid #e2e8f0; border-radius: 16px; overflow: hidden;
}
.skeleton-img { height: 180px; }
.skeleton-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.skeleton-line { height: 12px; border-radius: 6px; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w40 { width: 40%; }

/* ───────── MOBILE SIDEBAR TOGGLE ───────── */
.cat-mobile-filter-btn {
  display: none;
  align-items: center; gap: 8px;
  background: #16a34a; color: #fff; border: none; border-radius: 10px;
  padding: 10px 16px; font-family: 'Sarabun', sans-serif; font-size: 14px; font-weight: 700;
  cursor: pointer; margin-bottom: 16px;
}
.cat-mobile-sidebar-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.5);
}
.cat-mobile-sidebar-overlay.open { display: block; }
.cat-sidebar.mobile-open { display: block !important; }

/* ───────── RESPONSIVE ───────── */
@media (max-width: 1024px) {
  .catalog-layout { grid-template-columns: 220px 1fr; gap: 20px; }
}
@media (max-width: 768px) {
  .catalog-layout { grid-template-columns: 1fr; padding: 16px 14px 40px; }
  .cat-sidebar {
    display: none; position: fixed; top: 0; left: 0; bottom: 0;
    z-index: 300; width: 280px; overflow-y: auto; border-radius: 0;
    box-shadow: 4px 0 24px rgba(0,0,0,0.15);
  }
  .cat-mobile-filter-btn { display: flex; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .product-card-actions { flex-direction: column; }
  .btn-line-inquire { width: 100%; height: 38px; }
  .cat-icon-grid { grid-template-columns: repeat(4, 1fr); }
  .pdp-modal-body { grid-template-columns: 1fr; }
  .pdp-gallery { padding: 16px; }
  .pdp-info { padding: 16px; }
  .catalog-hero-stats { gap: 10px; }
  .chs-item { padding: 10px 14px; }
  .cat-toolbar { flex-direction: column; align-items: flex-start; }
  .cat-toolbar-right { width: 100%; }
  .cat-search-bar { min-width: 0; flex: 1; }
}
@media (max-width: 480px) {
  .cat-icon-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .catalog-hero { padding: 36px 16px 28px; }
}