/* ===================================
   OG Pharmacy - Products Page Styles
   =================================== */

/* ===================================
   Products Page Hero
   =================================== */

.products-hero {
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--gray-200);
}

.products-hero-content {
  text-align: center;
}

.products-hero h1 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.products-hero p {
  color: var(--gray-600);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===================================
   Main Products Layout
   =================================== */

.products-main {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(to bottom, #F8F9FA, #FFFFFF);
  min-height: 80vh;
}

.products-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

/* ===================================
   Sidebar Styles
   =================================== */

.products-sidebar {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.sidebar-content {
  padding: var(--spacing-lg);
}

.sidebar-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--gray-100);
}

.sidebar-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sidebar-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
}

/* Search Box */
.search-box {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(92, 175, 204, 0.1);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  font-size: 0.875rem;
}

/* Category List */
.category-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.category-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 0.875rem;
  position: relative;
}

.category-item:hover {
  background: var(--gray-50);
}

.category-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.category-item input[type="radio"]:checked + span {
  color: var(--primary-blue);
  font-weight: 600;
}

.category-item input[type="radio"]:checked ~ .category-count {
  background: var(--primary-blue);
  color: var(--white);
}

.category-count {
  margin-left: auto;
  background: var(--gray-100);
  color: var(--gray-600);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Sort Select */
.filter-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  background: var(--white);
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(92, 175, 204, 0.1);
}

/* Reset Button */
.btn-block {
  width: 100%;
}

.btn-outline {
  background: var(--white);
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

/* Mobile Filter Controls */
.mobile-filter-btn,
.mobile-filter-close {
  display: none;
}

/* ===================================
   Products Content Area
   =================================== */

.products-content {
  min-height: 500px;
}

.products-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.results-count {
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ===================================
   Products Grid
   =================================== */

.products-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(to bottom, #F8F9FA, #FFFFFF);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced Product Card */
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all var(--transition-normal);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18), 0 6px 12px rgba(0, 0, 0, 0.12);
  transform: translateY(-6px);
  border-color: var(--primary-blue-light);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

/* Product Badge */
.product-badges {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  z-index: 2;
}

.badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-new {
  background: var(--accent-teal);
  color: var(--white);
}

.badge-category {
  background: var(--primary-blue);
  color: var(--white);
}

/* Product Image Container */
.product-image {
  position: relative;
  height: 280px;
  background: linear-gradient(135deg, var(--gray-50), var(--white));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-image img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

/* Quick View Button */
.quick-view {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  color: var(--white);
  padding: var(--spacing-sm);
  text-align: center;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  cursor: pointer;
  font-weight: 500;
}

.product-card:hover .quick-view {
  transform: translateY(0);
}

/* Product Info */
.product-info {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.product-category {
  font-size: 0.75rem;
  color: var(--primary-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-rating {
  display: flex;
  gap: 2px;
  color: #fbbf24;
  font-size: 0.875rem;
}

.product-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.product-ingredient {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-sm);
}

.product-dosage {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
}

.product-description {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

/* Product Footer */
.product-footer {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-min-order {
  font-size: 0.75rem;
  color: var(--gray-500);
  background: var(--gray-50);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.product-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-product {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
}

/* ===================================
   Individual Product Page
   =================================== */

.product-detail {
  padding: var(--spacing-3xl) 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

/* Product Gallery */
.product-gallery {
  position: sticky;
  top: 100px;
}

.gallery-main {
  position: relative;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-main img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.gallery-zoom {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.gallery-thumb {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-thumb:hover,
.gallery-thumb.active {
  border-color: var(--primary-blue);
}

.gallery-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Product Details */
.product-details {
  display: flex;
  flex-direction: column;
}

.product-header {
  margin-bottom: var(--spacing-xl);
}

.product-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.product-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.tag {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--gray-700);
}

.tag-primary {
  background: rgba(92, 175, 204, 0.1);
  color: var(--primary-blue);
  font-weight: 500;
}

/* Product Specifications */
.product-specs {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

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

.spec-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xs);
}

.spec-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* Order Section */
.order-section {
  background: var(--white);
  border: 2px solid var(--primary-blue);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.order-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.price-display {
  display: flex;
  flex-direction: column;
}

.price-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.price-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.stock-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--success);
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.order-controls {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.quantity-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
}

.quantity-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.quantity-btn:hover {
  color: var(--primary-blue);
  background: var(--gray-50);
}

.quantity-input {
  flex: 1;
  border: none;
  text-align: center;
  font-weight: 600;
  font-size: 1rem;
}

.btn-order {
  font-size: 1.125rem;
  padding: var(--spacing-md);
}

.min-order-note {
  text-align: center;
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* Product Tabs */
.product-tabs {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--gray-100);
}

.tab-button {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.tab-button:hover {
  color: var(--primary-blue);
  background: var(--gray-50);
}

.tab-button.active {
  color: var(--primary-blue);
}

.tab-button.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-blue);
}

.tab-content {
  padding: var(--spacing-xl);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

/* Related Products */
.related-products {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.related-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

/* Ensure related product cards have proper shadows */
.related-grid .product-card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.related-grid .product-card:hover {
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18), 0 6px 12px rgba(0, 0, 0, 0.12);
}

/* ===================================
   Loading States
   =================================== */

.products-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  color: var(--gray-600);
}

.products-loading .spinner {
  margin-bottom: var(--spacing-lg);
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

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

.skeleton-card {
  height: 400px;
}

/* ===================================
   No Results State
   =================================== */

.no-results {
  text-align: center;
  padding: var(--spacing-3xl);
}

.no-results-icon {
  font-size: 4rem;
  color: var(--gray-300);
  margin-bottom: var(--spacing-lg);
}

.no-results h3 {
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.no-results p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
}

/* ===================================
   Responsive Adjustments
   =================================== */

@media (max-width: 1024px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }
}

@media (max-width: 768px) {
  /* Fix horizontal overflow globally */
  * {
    max-width: 100%;
  }

  html, body {
    overflow-x: hidden;
    width: 100%;
  }

  .container {
    padding: 0 var(--spacing-md) !important;
    max-width: 100% !important;
  }

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

  .products-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 100vh;
    z-index: 999;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

  .products-sidebar.active {
    transform: translateX(0);
  }

  .mobile-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
  }

  .mobile-filter-close {
    display: block;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-600);
    cursor: pointer;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
  }

  .product-title {
    font-size: 1.5rem;
  }

  .product-detail {
    padding: var(--spacing-xl) 0;
  }

  .product-detail-grid {
    overflow-x: hidden;
    width: 100%;
  }

  .specs-grid {
    grid-template-columns: 1fr;
  }

  .product-specs {
    padding: var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
  }

  .order-controls {
    grid-template-columns: 1fr;
  }

  /* Fix button grid overflow on mobile */
  .order-section > div[style*="display: grid"] {
    gap: 0.5rem !important;
    grid-template-columns: 1fr 1fr !important;
  }

  .btn-large {
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: 0.875rem;
    white-space: nowrap;
  }

  .order-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .stock-status {
    align-self: flex-start;
  }

  .order-section {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-blue);
    margin: 0;
    margin-bottom: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-details {
    padding: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-header,
  .product-specs,
  .product-tabs {
    margin: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .tab-nav {
    overflow-x: auto;
  }

  .tab-button {
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .product-card {
    border-radius: var(--radius-md);
    /* Enhanced shadows for mobile visibility */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
    border: 1px solid rgba(0, 0, 0, 0.08);
  }

  .product-card:hover,
  .product-card:active {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.20), 0 4px 8px rgba(0, 0, 0, 0.12);
  }

  .product-image {
    height: 180px;
  }

  .product-info {
    padding: var(--spacing-md);
  }

  .product-name {
    font-size: 0.875rem;
    line-height: 1.2;
  }

  .product-description {
    display: none;
  }

  .product-ingredient {
    font-size: 0.75rem;
  }

  .product-dosage {
    font-size: 0.75rem;
    padding: 2px 6px;
  }

  .btn-product {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
  }

  .product-min-order {
    font-size: 0.625rem;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(3, 1fr);
  }

  /* PWA-like mobile header */
  .header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .products-hero {
    padding: var(--spacing-lg) 0;
  }

  .products-hero h1 {
    font-size: 1.25rem;
  }

  .products-hero p {
    font-size: 0.875rem;
  }

  /* Force 2 columns for related products on mobile */
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  /* Enhanced shadows for related products on mobile */
  .related-grid .product-card {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
    border: 1px solid rgba(0, 0, 0, 0.08);
  }

  .related-grid .product-card:hover,
  .related-grid .product-card:active {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.20), 0 4px 8px rgba(0, 0, 0, 0.12);
  }
}