/* ###########################################################
   ###   2418521        Antony O'Neill                     ###
   ###   TEMPUS PRIVÉ - COLLECTION SECTION STYLES          ###
   ###   Last Updated: 03-07-2025                          ###
   ########################################################### */

/* ###########################################################
   ###   1. COLLECTION SECTION BASE                        ###
   ########################################################### */

   .collection-section {
    background: var(--off-white);
    position: relative;
    min-height: 100vh;
  }
  
  /* Subtle pattern overlay */
  .collection-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
      repeating-linear-gradient(
        45deg,
        transparent,
        transparent 35px,
        rgba(194, 157, 92, 0.03) 35px,
        rgba(194, 157, 92, 0.03) 70px
      );
    pointer-events: none;
  }
  
  /* ###########################################################
     ###   2. LUXURY FILTERS CONTAINER                       ###
     ########################################################### */
  
  .luxury-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    gap: 2rem;
    position: relative;
    z-index: 2;
  }
  
  /* ###########################################################
     ###   3. FILTER TABS STYLING                            ###
     ########################################################### */
  
  .filter-tabs {
    display: flex;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(12, 27, 42, 0.08);
    flex-wrap: wrap;
    transition: opacity 0.3s ease;
  }
  
  /* Disabled state when brand filter active */
  .filter-tabs.disabled {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
  }
  
  .filter-tabs.disabled::after {
    content: '';
    position: absolute;
    inset: 0;
    cursor: not-allowed;
  }
  
  /* Individual filter tab */
  .filter-tab {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    color: var(--dark-gray);
    position: relative;
    overflow: hidden;
  }
  
  /* Tab hover effect */
  .filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(212, 175, 55, 0.1);
    transition: left 0.3s ease;
  }
  
  .filter-tab:hover::before {
    left: 0;
  }
  
  .filter-tab:hover {
    color: var(--crown-navy);
  }
  
  /* Active tab state */
  .filter-tab.active {
    background: var(--crown-navy);
    color: white;
    box-shadow: 0 4px 12px rgba(12, 27, 42, 0.25);
  }
  
  .filter-tab.active::before {
    display: none;
  }
  
  /* Tab content */
  .tab-text {
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
  }
  
  .tab-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
  }
  
  .filter-tab:not(.active) .tab-count {
    background: rgba(194, 157, 92, 0.15);
    color: var(--crown-navy);
  }
  
  .filter-tab.active .tab-count {
    background: var(--imperial-gold);
  }
  
  /* ###########################################################
     ###   4. SORT CONTROL STYLING                           ###
     ########################################################### */
  
  .sort-control {
    position: relative;
  }
  
  .sort-control::after {
    content: '▼';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: var(--imperial-gold);
    pointer-events: none;
  }
  
  .sort-control select {
    appearance: none;
    background: white;
    border: 1px solid var(--light-gray);
    padding: 1rem 3rem 1rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--crown-navy);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(12, 27, 42, 0.05);
    transition: all 0.3s ease;
    min-width: 200px;
  }
  
  .sort-control select:hover {
    border-color: var(--imperial-gold);
    box-shadow: 0 4px 12px rgba(12, 27, 42, 0.1);
  }
  
  .sort-control select:focus {
    outline: none;
    border-color: var(--imperial-gold);
    box-shadow: 0 0 0 3px rgba(194, 157, 92, 0.2);
  }
  
  /* ###########################################################
     ###   5. LUXURY PRODUCTS GRID                           ###
     ########################################################### */
  
  .luxury-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
  }
  
  /* Large screens - 4 columns */
  @media (min-width: 1400px) {
    .luxury-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }
  
  /* Medium screens - 3 columns */
  @media (min-width: 1024px) and (max-width: 1399px) {
    .luxury-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  
  /* Small screens - 2 columns */
  @media (min-width: 640px) and (max-width: 1023px) {
    .luxury-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
    }
  }
  
  /* Mobile - 1 column */
  @media (max-width: 639px) {
    .luxury-grid {
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
  }
  
  /* ###########################################################
     ###   6. PRODUCT CARD STYLING                           ###
     ########################################################### */
  
  .product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(12, 27, 42, 0.08);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
  }
  
  .product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--imperial-gold) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(12, 27, 42, 0.15);
  }
  
  .product-card:hover::before {
    opacity: 1;
  }
  
  /* Highlight animation for brand filtering */
  .product-card.highlight {
    animation: highlightPulse 2s ease;
  }
  
  @keyframes highlightPulse {
    0%, 100% { box-shadow: 0 8px 32px rgba(12, 27, 42, 0.08); }
    50% { box-shadow: 0 8px 32px rgba(194, 157, 92, 0.4); }
  }
  
  /* ###########################################################
     ###   7. PRODUCT VISUAL SECTION                         ###
     ########################################################### */
  
  .product-visual {
    position: relative;
    background: linear-gradient(135deg, #FAFAFA 0%, #F5F5F5 100%);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  
  .product-image {
    width: 80%;
    height: 80%;
    object-fit: contain;
    border-radius: 16px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .product-card:hover .product-image {
    transform: scale(1.25);
  }
  
  /* Product overlay with actions */
  .product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(12, 27, 42, 0.95), transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  
  .product-card:hover .product-overlay {
    opacity: 1;
  }
  
  .product-actions {
    display: flex;
    gap: 1rem;
    width: 100%;
  }
  
  /* View product button */
  .btn-view-product {
    flex: 1;
    padding: 0.875rem 1.5rem;
    background: var(--imperial-gold);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(20px);
  }
  
  .product-card:hover .btn-view-product {
    transform: translateY(0);
  }
  
  .btn-view-product:hover {
    background: var(--crown-navy);
    box-shadow: 0 4px 12px rgba(12, 27, 42, 0.3);
  }
  
  /* Collection button */
  .btn-add-collection {
    width: 48px;
    height: 48px;
    border: 2px solid white;
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(20px);
    color: white;
  }
  
  .product-card:hover .btn-add-collection {
    transform: translateY(0);
  }
  
  .btn-add-collection:hover {
    background: white;
    color: var(--imperial-gold);
  }
  
  .btn-add-collection.in-collection {
    background: var(--imperial-gold);
    border-color: var(--imperial-gold);
  }
  
  .btn-add-collection.in-collection svg path {
    fill: white;
  }
  
  /* ###########################################################
     ###   8. PRODUCT INFO SECTION                           ###
     ########################################################### */
  
  .product-info {
    padding: 1.75rem;
  }
  
  .product-brand {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--imperial-gold);
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .product-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--crown-navy);
    margin-bottom: 0.75rem;
    font-weight: 400;
    line-height: 1.3;
  }
  
  .product-specs {
    font-size: 0.875rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .product-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--crown-navy);
    font-family: var(--font-serif);
  }
  
  /* ###########################################################
     ###   9. EMPTY STATE STYLING                            ###
     ########################################################### */
  
  .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(12, 27, 42, 0.05);
  }
  
  .empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.5;
  }
  
  .empty-state h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--crown-navy);
    margin-bottom: 1rem;
  }
  
  .empty-state p {
    color: var(--dark-gray);
    margin-bottom: 2rem;
  }
  
  .btn-secondary {
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--imperial-gold);
    color: var(--imperial-gold);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .btn-secondary:hover {
    background: var(--imperial-gold);
    color: white;
  }
  
  /* ###########################################################
     ###   10. LOADING STATES                                ###
     ########################################################### */
  
  .product-skeleton {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(12, 27, 42, 0.08);
  }
  
  .skeleton-visual {
    aspect-ratio: 1;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
  }
  
  .skeleton-info {
    padding: 1.75rem;
  }
  
  .skeleton-line {
    height: 1rem;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 0.75rem;
  }
  
  .skeleton-line:last-child {
    width: 60%;
  }
  
  @keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
  
  /* ###########################################################
     ###   11. MOBILE RESPONSIVENESS                         ###
     ########################################################### */
  
  @media (max-width: 768px) {
    .luxury-filters {
      flex-direction: column;
      align-items: stretch;
      gap: 1rem;
    }
    
    .filter-tabs {
      width: 100%;
      justify-content: center;
    }
    
    .filter-tab {
      padding: 0.75rem 1rem;
      font-size: 0.85rem;
    }
    
    .sort-control select {
      width: 100%;
    }
    
    .product-card {
      border-radius: 16px;
    }
    
    .product-info {
      padding: 1.25rem;
    }
    
    .product-name {
      font-size: 1.125rem;
    }
    
    .product-price {
      font-size: 1rem;
    }
  }
  
  /* ###########################################################
     ###   12. ACCESSIBILITY ENHANCEMENTS                    ###
     ########################################################### */
  
  /* Focus states */
  .filter-tab:focus,
  .btn-view-product:focus,
  .btn-add-collection:focus,
  .sort-control select:focus {
    outline: 2px solid var(--imperial-gold);
    outline-offset: 2px;
  }
  
  /* Screen reader only content */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  
  /* Reduced motion preferences */
  @media (prefers-reduced-motion: reduce) {
    .product-card,
    .product-image,
    .product-overlay,
    .btn-view-product,
    .btn-add-collection,
    .filter-tab::before {
      transition: none;
      animation: none;
    }
    
    .product-card:hover {
      transform: none;
    }
    
    .product-card:hover .product-image {
      transform: none;
    }
  }
  
  /* ###########################################################
     ###   END OF COLLECTION STYLES                          ###
     ########################################################### */

/*
=======================================================
IMPLEMENTATION NOTES: COLLECTION SECTION STYLES
=======================================================

LUXURY GRID LAYOUT:
- Auto-fit responsive columns
- Consistent gaps and spacing
- Card-based design
- Hover effects (desktop only)

FILTER INTERFACE:
- Tab-based filtering
- Active state indicators
- Count badges
- Smooth transitions

PRODUCT CARDS:
- Image aspect ratio maintained
- Overlay information
- Price formatting
- Brand highlighting

EMPTY STATES:
- Elegant messaging
- Icon integration
- Clear CTAs
- Brand consistency

ANIMATIONS:
- Card entrance effects
- Filter transitions
- Hover transformations
- Loading states

MOBILE ADAPTATIONS:
- Single column on mobile
- Touch-friendly cards
- Simplified interactions
- optimised images
=======================================================
*/