/* Shop & E-commerce Component */
@layer components {
  /* Products Section */
  .products-section {
    padding: var(--space-8) 0;
  }

  .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
    padding: var(--space-6) 0;
  }

  .product-card {
    background: var(--color-surface-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    transition: all var(--duration-300) var(--ease-out);
    backdrop-filter: blur(10px);
  }

  .product-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
  }

  .product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-4);
  }

  .product-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
  }

  .product-description {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--space-4);
  }

  .product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
  }

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

  /* Shop Button Styles */
  .btn-shop {
    padding: var(--space-4) var(--space-6);
    border: 2px solid transparent;
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--duration-300) var(--ease-out);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 48px;
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }

  .btn-shop:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
  }

  .btn-shop:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
  }

  /* Primary Shop Button */
  .btn-shop.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--green-electric) 100%);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
  }

  .btn-shop.primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5), 0 8px 25px rgba(0, 0, 0, 0.2);
  }

  .btn-shop.primary:active:not(:disabled) {
    transform: translateY(-1px);
  }

  /* Secondary Shop Button */
  .btn-shop.secondary {
    background: var(--color-surface-glass);
    color: var(--color-text-primary);
    border-color: var(--color-border);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
  }

  .btn-shop.secondary:hover:not(:disabled) {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.2);
  }

  /* Cart Button */
  .btn-shop.cart {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-text-on-gold);
    border-color: var(--color-gold);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
  }

  .btn-shop.cart:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5), 0 8px 25px rgba(0, 0, 0, 0.2);
    filter: brightness(1.1);
  }

  /* Wishlist Button */
  .btn-shop.wishlist {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
  }

  .btn-shop.wishlist:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-danger);
    color: var(--color-danger);
    transform: translateY(-2px);
  }

  .btn-shop.wishlist.active {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-danger);
    color: var(--color-danger);
  }

  /* Buy Now Button */
  .btn-shop.buy-now {
    background: linear-gradient(135deg, var(--color-warning) 0%, #f59e0b 100%);
    color: var(--color-text-inverse);
    border-color: var(--color-warning);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
    font-weight: var(--font-weight-bold);
  }

  .btn-shop.buy-now:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.5), 0 8px 25px rgba(0, 0, 0, 0.2);
    filter: brightness(1.1);
  }

  /* Button Icons */
  .btn-shop-icon {
    font-size: 1.125rem;
    transition: transform var(--duration-200) var(--ease-out);
  }

  .btn-shop:hover .btn-shop-icon {
    transform: scale(1.1);
  }

  /* Button Loading State */
  .btn-shop.loading {
    color: transparent;
    pointer-events: none;
  }

  .btn-shop.loading::before {
    content: '';
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: inherit;
  }

  /* Shimmer Effect */
  .btn-shop::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    translate: -100% 0;
    transition: translate var(--duration-500) var(--ease-out);
  }

  .btn-shop:hover::after {
    translate: 100% 0;
  }

  /* Button Sizes */
  .btn-shop.small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 36px;
  }

  .btn-shop.large {
    padding: var(--space-5) var(--space-8);
    font-size: var(--font-size-lg);
    min-height: 56px;
  }

  /* Full Width Button */
  .btn-shop.full-width {
    width: 100%;
  }

  /* Cart Sidebar */
  .cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: var(--color-background);
    border-left: 1px solid var(--color-border);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform var(--duration-300) var(--ease-out);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
  }

  .cart-sidebar.open {
    transform: translateX(0);
  }

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

  .cart-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
  }

  .cart-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--border-radius-sm);
    transition: all var(--duration-200) var(--ease-out);
  }

  .cart-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
  }

  .cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
  }

  .cart-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
  }

  .cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
  }

  .cart-item-details {
    flex: 1;
  }

  .cart-item-name {
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
  }

  .cart-item-price {
    color: var(--color-primary);
    font-weight: 600;
  }

  .cart-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
  }

  .quantity-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    width: 30px;
    height: 30px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
  }

  .quantity-btn:hover {
    background: var(--color-surface-hover);
  }

  .cart-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-glass);
  }

  .cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    font-size: 1.25rem;
    font-weight: 600;
  }

  .cart-checkout {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--green-electric) 100%);
    color: var(--color-text-inverse);
    border: 2px solid var(--color-primary);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--duration-300) var(--ease-out);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    position: relative;
    overflow: hidden;
  }

  .cart-checkout:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5), 0 8px 25px rgba(0, 0, 0, 0.2);
  }

  .cart-checkout::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    translate: -100% 0;
    transition: translate var(--duration-500) var(--ease-out);
  }

  .cart-checkout:hover::after {
    translate: 100% 0;
  }

  /* Cart Overlay */
  .cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-300) var(--ease-out);
    z-index: 999;
  }

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

  /* Cart Icon */
  .cart-icon {
    position: relative;
    cursor: pointer;
    padding: var(--space-3);
    border-radius: var(--border-radius-md);
    transition: all var(--duration-200) var(--ease-out);
  }

  .cart-icon:hover {
    background: var(--color-surface-hover);
  }

  .cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-primary);
    color: var(--color-background);
    font-size: 0.75rem;
    font-weight: 600;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translate(50%, -50%);
  }

  /* Filter Section */
  .filter-section {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
  }

  .filter-dropdown {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
  }

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

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

  .pagination-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
  }

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

  /* Mobile Responsiveness */
  @media (width <= 768px) {
    .cart-sidebar {
      width: 100vw;
    }

    .products-grid {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: var(--space-4);
    }

    .product-card {
      padding: var(--space-4);
    }

    .filter-section {
      flex-direction: column;
    }

    .cart-items {
      padding: var(--space-3);
    }

    .cart-footer {
      padding: var(--space-4);
    }

    /* Mobile Shop Button Styles */
    .btn-shop {
      padding: var(--space-4) var(--space-6);
      font-size: var(--font-size-base);
      min-height: 44px; /* Touch target size */
    }

    .btn-shop.small {
      padding: var(--space-3) var(--space-4);
      font-size: var(--font-size-sm);
      min-height: 40px;
    }

    .btn-shop.large {
      padding: var(--space-5) var(--space-8);
      font-size: var(--font-size-lg);
      min-height: 52px;
    }

    /* Disable hover effects on touch devices */
    .btn-shop:hover {
      transform: none;
      box-shadow: initial;
    }

    .btn-shop:active {
      transform: scale(0.95);
    }

    .product-actions {
      gap: var(--space-2);
    }
  }

  @media (width <= 480px) {
    .products-grid {
      grid-template-columns: 1fr;
    }

    .btn-shop {
      width: 100%;
      justify-content: center;
    }
  }

  /* Accessibility & Performance */
  @media (prefers-reduced-motion: reduce) {
    .btn-shop,
    .cart-checkout {
      transition: none;
    }

    .btn-shop::after,
    .cart-checkout::after {
      display: none;
    }

    .btn-shop.loading::before {
      animation: none;
    }
  }

  @media (prefers-contrast: high) {
    .btn-shop {
      border-width: 3px;
    }

    .btn-shop.primary {
      border-color: var(--color-primary);
    }

    .btn-shop.cart {
      border-color: var(--color-gold);
    }

    .btn-shop.buy-now {
      border-color: var(--color-warning);
    }
  }

  /* Animation Keyframes */
  @keyframes spin {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }

  /* Focus Ring Enhancement */
  .btn-shop:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 3px;
    box-shadow: 0 0 0 1px var(--color-background);
  }

  /* Button Group Styles */
  .btn-shop-group {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
  }

  .btn-shop-group .btn-shop {
    flex: 1;
    min-width: 120px;
  }

  @media (width <= 480px) {
    .btn-shop-group {
      flex-direction: column;
    }

    .btn-shop-group .btn-shop {
      flex: none;
      width: 100%;
    }
  }

  /* Animations */
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  @keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }

  /* Category button active state */
  .category-btn.active {
    border-color: var(--color-primary) !important;
    background: rgba(0, 255, 136, 0.1) !important;
  }

  /* Cart sidebar styling */
  .cart-sidebar {
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
  }
}