/* ========================================
   Products Page Styles
   ======================================== */

/* Products Filter Section */
.products-filter-section {
  padding: var(--space-md) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  max-width: 400px;
}

.filter-search svg {
  color: var(--color-muted);
  flex-shrink: 0;
}

.filter-search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--fs-body);
  font-family: var(--font-sans);
  color: var(--color-text);
  background: transparent;
}

.filter-search-input::placeholder {
  color: var(--color-muted);
}

.filter-groups {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  white-space: nowrap;
}

.filter-select {
  padding: 6px 32px 6px 12px;
  font-size: var(--fs-small);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center;
  background-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  min-width: 120px;
}

.filter-select:hover {
  border-color: var(--color-primary);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}
.filter-reset-btn {
  box-sizing: border-box;
  height: 34px;
  padding: 0 16px;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  line-height: 1;
  color: var(--color-primary);
  background: #fff;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.filter-reset-btn:hover {
  background: var(--color-primary);
  color: #fff;
}


/* Products Content Layout */
.products-content-section {
  padding: var(--space-lg) 0 var(--space-section);
  background: var(--color-bg);
}

.products-content-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-lg);
}

/* Category Sidebar Tree */
.category-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
  align-self: start;
  max-height: calc(100vh - var(--header-height) - var(--space-lg));
  overflow-y: auto;
}

.category-tree {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.tree-parent {
  margin-bottom: 4px;
}

.tree-parent-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  user-select: none;
}

.tree-parent-header:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.tree-parent-header.active {
  background: var(--color-primary);
  color: #fff;
}

.tree-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.tree-toggle.expanded {
  transform: rotate(90deg);
}

.tree-children {
  display: none;
  padding-left: 16px;
}

.tree-children.expanded {
  display: block;
}

.tree-child {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  font-size: var(--fs-small);
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tree-child-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.tree-child-name {
  flex: 1;
}

.tree-child:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.tree-child.active {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  background: var(--color-primary-light);
}

/* Products Main */
.products-main {
  min-width: 0;
}

.products-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.product-list-card {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  background: #fff;
}

.product-list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #FE7C7C;
}

.product-list-card-img {
  position: relative;
  padding-top: 66.67%;
  overflow: hidden;
  background: var(--color-surface);
}

.product-list-card-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform var(--transition-base), opacity 0.3s ease;
  opacity: 0;
}

.product-list-card-img img.loaded {
  opacity: 1;
}

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

.product-list-card-body {
  padding: var(--space-md);
}

.product-list-card-category {
  font-size: var(--fs-small);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  margin-bottom: 4px;
  display: block;
}

.product-list-card-title {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: var(--lh-snug);
}

.product-list-card-model {
  font-size: var(--fs-small);
  color: var(--color-muted);
  margin-bottom: 8px;
}

.product-list-card-desc {
  font-size: var(--fs-small);
  color: var(--color-muted);
  line-height: var(--lh-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.product-list-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.product-list-card:hover .product-list-card-link {
  gap: 10px;
}

.products-empty {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.products-empty p {
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

/* Pagination */
.products-pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.pagination-info {
  font-size: var(--fs-small);
  color: var(--color-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.pagination-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Responsive */
@media (max-width: 1024px) {
  .products-content-layout {
    grid-template-columns: 1fr;
  }

  .category-sidebar {
    position: static;
    max-height: none;
  }

  .category-tree {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: var(--space-xs);
  }

  .tree-parent {
    margin-bottom: 0;
    flex: 1;
    min-width: 140px;
  }

  .tree-parent-header {
    font-size: var(--fs-small);
    padding: 8px 10px;
  }

  .tree-children {
    padding-left: 0;
  }

  .tree-child {
    padding: 6px 10px;
  }

  .products-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .filter-bar {
    gap: var(--space-xs);
  }

  .filter-search {
    max-width: 100%;
  }

  .filter-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .filter-select {
    width: 100%;
    min-width: unset;
  }

  .products-list-grid {
    grid-template-columns: 1fr;
  }

  .products-pagination {
    gap: var(--space-sm);
  }

  .pagination-controls {
    gap: 4px;
  }

  .pagination-btn {
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    font-size: var(--fs-small);
  }
}