/* ========================================
   FLVR FOOD - Shop Page Styles
   Product Listing, Filters, and Grid
   ======================================== */

/* ========================================
   Shop Header
   ======================================== */
.shop-header {
  padding: calc(var(--nav-height) + var(--space-12)) var(--content-padding) var(--space-8);
  background: linear-gradient(
    180deg,
    var(--flvr-bg-tertiary) 0%,
    var(--flvr-bg) 100%
  );
  border-bottom: 1px solid var(--glass-border);
}

.shop-header-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--flvr-text-tertiary);
}

.breadcrumb a {
  color: var(--flvr-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--flvr-accent);
}

.breadcrumb-separator {
  width: 16px;
  height: 16px;
}

.shop-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-3);
}

.shop-subtitle {
  font-size: var(--font-size-lg);
  color: var(--flvr-text-secondary);
  max-width: 600px;
}

/* ========================================
   Category Tabs
   ======================================== */
.category-tabs-section {
  padding: var(--space-6) var(--content-padding);
  background: var(--flvr-bg);
  border-bottom: 1px solid var(--glass-border);
}

.category-tabs-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  width: fit-content;
  max-width: 100%;
}

.category-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--flvr-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.category-tab:hover {
  color: var(--flvr-text-primary);
  background: var(--glass-bg-hover);
  border-color: var(--glass-border);
}

.category-tab.active {
  color: white;
  background: var(--flvr-accent);
  border-color: var(--flvr-accent);
  box-shadow: 0 4px 12px var(--flvr-accent-glow);
}

/* ========================================
   Shop Content Layout
   ======================================== */
.shop-content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--content-padding) var(--space-16);
}

/* ========================================
   Filters Sidebar
   ======================================== */
.filters-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
  height: fit-content;
  padding: var(--space-6);
}

.filters-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--glass-border);
}

.filters-header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.clear-filters {
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  color: var(--flvr-accent);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.clear-filters:hover {
  color: var(--flvr-accent-light);
}

.filter-group {
  margin-bottom: var(--space-6);
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--flvr-text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--flvr-text-secondary);
  transition: color var(--transition-fast);
}

.filter-option:hover {
  color: var(--flvr-text-primary);
}

.filter-option input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkmark::after {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--flvr-accent);
  border-radius: 2px;
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-fast);
}

.filter-option input[type="checkbox"]:checked + .checkmark {
  border-color: var(--flvr-accent);
}

.filter-option input[type="checkbox"]:checked + .checkmark::after {
  opacity: 1;
  transform: scale(1);
}

.filter-label {
  user-select: none;
}

/* Price Range Slider */
.price-range-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.price-slider-wrapper {
  position: relative;
  height: 24px;
  display: flex;
  align-items: center;
}

.price-slider {
  position: absolute;
  width: 100%;
  height: 4px;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  pointer-events: none;
  z-index: 2;
}

.price-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--flvr-accent);
  border: 2px solid white;
  border-radius: 50%;
  cursor: pointer;
  pointer-events: all;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast);
}

.price-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.price-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--flvr-accent);
  border: 2px solid white;
  border-radius: 50%;
  cursor: pointer;
  pointer-events: all;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.price-slider-track {
  position: absolute;
  width: 100%;
  height: 4px;
  background: var(--glass-border);
  border-radius: 2px;
  z-index: 1;
}

.price-slider-track::before {
  content: '';
  position: absolute;
  height: 100%;
  background: var(--flvr-accent);
  border-radius: 2px;
}

.price-range-values {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.price-input-group {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  flex: 1;
}

.price-currency {
  font-size: var(--font-size-sm);
  color: var(--flvr-text-tertiary);
}

.price-input-group input {
  width: 100%;
  background: transparent;
  border: none;
  font-size: var(--font-size-sm);
  color: var(--flvr-text-primary);
  outline: none;
}

.price-separator {
  color: var(--flvr-text-tertiary);
  font-weight: var(--font-weight-medium);
}

/* Star Rating Filters */
.rating-filters {
  gap: var(--space-2);
}

.rating-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.rating-option:hover {
  background: var(--glass-bg);
}

.rating-option input[type="radio"] {
  display: none;
}

.rating-stars {
  display: flex;
  gap: 2px;
}

.rating-stars svg {
  width: 16px;
  height: 16px;
}

.rating-stars .star-filled {
  color: #fbbf24;
  fill: #fbbf24;
}

.rating-stars .star-empty {
  color: var(--glass-border);
  fill: none;
  stroke: var(--glass-border);
}

.rating-option input[type="radio"]:checked ~ .rating-stars svg,
.rating-option input[type="radio"]:checked ~ .filter-label {
  color: var(--flvr-accent);
}

.rating-option input[type="radio"]:checked ~ .rating-stars .star-filled {
  color: var(--flvr-accent);
  fill: var(--flvr-accent);
}

/* Category Filter with Icons */
.category-filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-filter-option:hover {
  background: var(--glass-bg);
}

.category-filter-option input[type="checkbox"] {
  display: none;
}

.category-filter-option .category-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.category-filter-option .category-icon svg {
  width: 16px;
  height: 16px;
  color: white;
}

.category-filter-option .category-info {
  flex: 1;
  min-width: 0;
}

.category-filter-option .category-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--flvr-text-primary);
}

.category-filter-option .category-count {
  font-size: var(--font-size-xs);
  color: var(--flvr-text-muted);
}

.category-filter-option input[type="checkbox"]:checked ~ .checkmark {
  border-color: var(--flvr-accent);
  background: var(--flvr-accent);
}

/* ========================================
   Products Section
   ======================================== */
.products-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Toolbar */
.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.filter-toggle {
  display: none;
}

.results-count {
  font-size: var(--font-size-sm);
  color: var(--flvr-text-secondary);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sort-select {
  width: auto;
  min-width: 160px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.view-toggle {
  display: flex;
  gap: var(--space-1);
}

.view-btn {
  padding: var(--space-2);
}

.view-btn.active {
  background: var(--flvr-accent);
  border-color: var(--flvr-accent);
  color: white;
}

/* Active Filters */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--flvr-accent-glow);
  border: 1px solid var(--flvr-accent);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--flvr-accent);
}

.active-filter-tag button {
  background: none;
  border: none;
  color: var(--flvr-accent);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.active-filter-tag button:hover {
  color: var(--flvr-accent-dark);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

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

.products-grid.list-view .product-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-6);
}

.products-grid.list-view .product-image-wrapper {
  aspect-ratio: 1;
  margin-bottom: 0;
}

.products-grid.list-view .product-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-4) 0;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  background: var(--glass-bg);
  border-radius: var(--radius-2xl);
}

.empty-state-icon svg {
  width: 40px;
  height: 40px;
  color: var(--flvr-text-muted);
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.empty-state p {
  color: var(--flvr-text-tertiary);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.pagination-btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.pagination-btn.active {
  background: var(--flvr-accent);
  border-color: var(--flvr-accent);
  color: white;
}

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

/* ========================================
   Mobile Filter Sheet
   ======================================== */
.filter-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.filter-overlay.active {
  opacity: 1;
  visibility: visible;
}

.filter-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 85vh;
  z-index: var(--z-modal);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  border: none;
  border-top: 1px solid var(--glass-border);
}

.filter-sheet.active {
  transform: translateY(0);
}

.filter-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--glass-border);
}

.filter-sheet-header h3 {
  font-size: var(--font-size-lg);
}

.close-filter-sheet {
  background: none;
  border: none;
  color: var(--flvr-text-muted);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.close-filter-sheet:hover {
  background: var(--glass-bg);
  color: var(--flvr-text-primary);
}

.filter-sheet-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-6);
}

.filter-sheet-footer {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6) calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--glass-border);
}

.filter-sheet-footer .glass-btn {
  flex: 1;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
  .shop-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .filters-sidebar {
    display: none;
  }
  
  .filter-toggle {
    display: inline-flex;
  }
  
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .shop-header {
    padding: calc(var(--nav-height) + var(--space-6)) var(--content-padding) var(--space-6);
  }
  
  .shop-title {
    font-size: var(--font-size-2xl);
  }
  
  .shop-subtitle {
    font-size: var(--font-size-base);
  }
  
  .shop-content {
    padding: var(--space-4) var(--content-padding) var(--space-10);
    gap: var(--space-4);
  }
  
  .shop-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .toolbar-left {
    justify-content: space-between;
  }
  
  .toolbar-right {
    justify-content: space-between;
  }
  
  .sort-select {
    flex: 1;
    min-width: auto;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .products-grid.list-view {
    grid-template-columns: 1fr;
  }
  
  .products-grid.list-view .product-card {
    grid-template-columns: 120px 1fr;
    gap: var(--space-4);
  }
  
  .pagination {
    gap: var(--space-1);
  }
  
  .pagination-btn {
    min-width: 36px;
    height: 36px;
    padding: var(--space-1) var(--space-2);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  
  .product-actions {
    opacity: 1;
    transform: translateY(0);
  }
  
  .results-count {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 360px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}