/* ==========================================================
   Knouz Al-Enjaz - Catalog & Filtering Styles (kn Theme)
   ========================================================== */

/* Compact Modern Catalog Header */
.catalog-header-banner {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 0;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
}

.catalog-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--navy);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.catalog-title i {
  color: var(--primary);
  font-size: 1.15rem;
}

.catalog-count-pill {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(23, 108, 180, 0.08);
  color: var(--primary);
  border: 1px solid rgba(23, 108, 180, 0.2);
}

.catalog-subtitle {
  display: none;
}

@media (max-width: 768px) {
  .catalog-header-banner {
    padding: 0.65rem 0;
    margin-bottom: 1rem;
  }
  .catalog-title {
    font-size: 1.1rem;
    gap: 0.45rem;
  }
  .catalog-count-pill {
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
  }
}

/* Catalog Main Layout */
.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
  align-items: start;
  margin-bottom: 4rem;
}

/* Sidebar Filters */
.filters-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.filters-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.filters-title {
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--navy);
}

.filter-reset-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
}

.filter-reset-link:hover {
  text-decoration: underline;
  color: var(--primary-dark);
}

.filter-block {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.filter-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-block-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Filter List Options */
.filter-options-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 240px;
  overflow-y: auto;
  padding-left: 0.25rem;
}

.filter-label-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: all 0.15s ease;
}

.filter-label-wrap:hover {
  background: var(--bg-selected);
  color: var(--primary);
}

.filter-label-wrap input[type="radio"],
.filter-label-wrap input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  margin-left: 0.5rem;
}

.filter-count-badge {
  font-size: 0.75rem;
  background: var(--bg-hover);
  color: var(--text-secondary);
  padding: 0.1rem 0.45rem;
  border-radius: var(--border-radius-full);
}

/* Catalog Toolbar */
.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 1rem;
}

.toolbar-results-count {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.toolbar-results-count strong {
  color: var(--primary);
  font-weight: 800;
}

.toolbar-sort-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-filter-trigger {
  display: none;
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Single Product Card */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-light);
  box-shadow: 0 8px 25px rgba(23, 108, 180, 0.12);
}

/* Product Card Media */
.product-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-media img {
  transform: scale(1.05);
}

.product-card-badge-overlay {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 2;
}

.product-card-stock-overlay {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  z-index: 2;
}

/* Product Card Body */
.product-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-sku {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
  letter-spacing: 0.5px;
}

.product-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8rem;
}

.product-card-title a {
  color: var(--text-dark);
}

.product-card-title a:hover {
  color: var(--primary);
}

/* Essential Specs Chip Bar */
.product-essential-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 0.65rem 0.75rem;
  margin-bottom: 1rem;
}

.spec-chip {
  display: flex;
  flex-direction: column;
}

.spec-chip-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.spec-chip-value {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--navy);
  font-family: var(--font-mono);
}

/* Product Card Actions */
.product-card-actions {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-card-actions .btn {
  flex: 1;
}

/* Price Line */
.product-price-line {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.price-rfq-mask {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 800;
}

.price-actual {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--success);
}

/* Skeleton Loading Animation */
.skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.skeleton-media {
  width: 100%;
  height: 180px;
  border-radius: var(--border-radius-sm);
}

.skeleton-text {
  height: 16px;
  width: 70%;
}

.skeleton-text-lg {
  height: 24px;
  width: 90%;
}

.skeleton-box {
  height: 60px;
  width: 100%;
}

/* Empty State */
.empty-catalog-state {
  grid-column: 1 / -1;
  background: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 4rem 2rem;
  text-align: center;
}

.empty-catalog-icon {
  font-size: 3.5rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.empty-catalog-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.empty-catalog-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Pagination */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Mobile Slide-over Drawer */
.filters-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100%;
  background: var(--bg-card);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 1050;
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 1.5rem;
}

.filters-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14, 41, 66, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 900px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }
  .filters-sidebar {
    display: none;
  }
  .mobile-filter-trigger {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.65rem !important;
  }
  .product-card {
    border-radius: var(--border-radius-sm);
  }
  .product-card-body {
    padding: 0.65rem 0.5rem !important;
  }
  .product-title {
    font-size: 0.85rem !important;
    line-height: 1.35;
    height: 2.7em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .product-category-tag {
    font-size: 0.65rem !important;
  }
  .product-price-amount {
    font-size: 1.05rem !important;
  }
  .product-card-footer {
    padding: 0.4rem 0.5rem 0.65rem !important;
  }
  .product-card-footer .btn {
    padding: 0.45rem 0.6rem !important;
    font-size: 0.8rem !important;
  }
}

/* ==========================================================
   World-Class E-Commerce Elements (Noon / Amazon Style)
   ========================================================== */

/* Price Filter Inputs & Brackets */
.price-inputs-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.price-filter-input-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.price-filter-input {
  width: 100%;
  padding: 0.45rem 0.5rem 0.45rem 1.6rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.price-filter-input:focus {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.price-currency-tag {
  position: absolute;
  left: 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  pointer-events: none;
}

.price-apply-btn {
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: var(--border-radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease;
  white-space: nowrap;
}

.price-apply-btn:hover {
  background: var(--primary-dark);
}

.price-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.price-chip-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.price-chip-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-selected);
}

.price-chip-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Card Ratings & Express Badge */
.card-rating-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.rating-stars-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
}

.rating-stars {
  color: #f59e0b;
  display: inline-flex;
  gap: 0.1rem;
}

.rating-score {
  font-weight: 800;
  color: var(--navy);
  font-family: var(--font-mono);
}

.rating-count {
  color: var(--text-secondary);
  font-size: 0.72rem;
}

.express-badge {
  background: #fef08a;
  color: #854d0e;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Noon-Style Prominent Price Box */
.noon-price-box {
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.85rem;
}

.noon-price-box .price-row {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 0.15rem;
}

.noon-price-box .price-prefix {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.noon-price-box .price-digits {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.1;
}

.noon-price-box .price-currency {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-weight: 800;
}

.noon-price-box .price-tax-note {
  font-size: 0.7rem;
  color: var(--success);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Upgraded Product Card Styles */
.product-card {
  background: #ffffff;
  border: 1px solid #e8ecf1;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-light);
  box-shadow: 0 10px 25px rgba(23, 108, 180, 0.12);
}

.product-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #fbfcfd;
  border-bottom: 1px solid #f0f2f5;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.product-card:hover .product-card-media img {
  transform: scale(1.06);
}

.product-card-body {
  padding: 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-title {
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--navy);
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.85rem;
}

.product-card-title a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

.product-card-title a:hover {
  color: var(--primary);
}