/* ============================================================================
   MOBILE VARIANT BOTTOM SHEET - FIXED VERSION
   For PureStora e-commerce platform
   Brand colors: #996633 (primary), #AFBD77 (secondary), #848688 (grey)
   ============================================================================ */

/* ========== DESKTOP: Keep existing modal (≥992px) ========== */
@media (min-width: 992px) {
  #variantSelectionModalNew .modal-dialog {
    max-width: 900px;
  }
  
  #variantSelectionModalNew .product-gallery-wrap {
    display: flex;
    gap: 14px;
    align-items: flex-start;
  }
  
  #variantSelectionModalNew .gallery-thumbnails {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 72px;
    max-height: 420px;
    overflow-y: auto;
  }
}

/* ========== MOBILE: BOTTOM SHEET (< 992px) ========== */
@media (max-width: 991px) {
  
  /* Force override any conflicting styles */
  #variantSelectionModalNew .modal-dialog {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
  }
  
  #variantSelectionModalNew.show .modal-dialog {
    transform: translateY(0) !important;
  }
  
  /* Bottom sheet container */
  #variantSelectionModalNew .modal-content {
    border-radius: 20px 20px 0 0 !important;
    border: none !important;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15) !important;
    max-height: 90vh !important;
    display: flex !important;
    flex-direction: column !important;
    background: #fff !important;
  }
  
  /* Drag handle */
  #variantSelectionModalNew .modal-header {
    position: relative;
    padding: 12px 16px 12px !important;
    border-bottom: 1px solid #f0f0f0 !important;
    flex-shrink: 0;
  }
  
  #variantSelectionModalNew .modal-header::before {
    content: '' !important;
    position: absolute !important;
    top: 8px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 36px !important;
    height: 4px !important;
    background: #d1d5db !important;
    border-radius: 2px !important;
    display: block !important;
  }
  
  #variantSelectionModalNew .modal-title {
    font-size: 1rem !important;
    font-weight: 600 !important;
    margin-top: 12px !important;
    padding-right: 30px !important;
    line-height: 1.4 !important;
  }
  
  #variantSelectionModalNew .modal-close-btn {
    position: absolute !important;
    top: 16px !important;
    right: 12px !important;
    padding: 4px !important;
    background: transparent !important;
    border: none !important;
    font-size: 1.5rem !important;
    color: #6b7280 !important;
    opacity: 1 !important;
    width: 32px !important;
    height: 32px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  /* Scrollable body */
  #variantSelectionModalNew .modal-body {
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 16px !important;
    -webkit-overflow-scrolling: touch !important;
  }
  
  /* Image gallery - mobile optimized */
  #variantSelectionModalNew .product-gallery-wrap {
    display: flex !important;
    flex-direction: column-reverse !important;
    gap: 12px !important;
    margin-bottom: 20px !important;
  }
  
  /* Main image */
  #variantSelectionModalNew .main-media-container {
    width: 100% !important;
    height: 320px !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    background: #f9fafb !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
  }
  
  #variantSelectionModalNew .main-product-img,
  #variantSelectionModalNew #mainProductVideo {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
  }
  
  /* Share button */
  #variantSelectionModalNew .share-tag {
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    z-index: 10 !important;
  }
  
  #variantSelectionModalNew .share-icon-btn {
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.95) !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    color: #996633 !important;
    font-size: 1rem !important;
  }
  
  /* Thumbnail strip - horizontal scroll */
  #variantSelectionModalNew .gallery-thumbnails {
    display: flex !important;
    flex-direction: row !important;
    gap: 8px !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    padding: 4px 0 8px !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    width: 100% !important;
    max-height: none !important;
  }
  
  #variantSelectionModalNew .gallery-thumbnails::-webkit-scrollbar {
    display: none !important;
  }
  
  #variantSelectionModalNew .thumb-img {
    width: 72px !important;
    height: 72px !important;
    min-width: 72px !important;
    object-fit: cover !important;
    border-radius: 8px !important;
    border: 2px solid #e5e7eb !important;
    background: #fff !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
  }
  
  #variantSelectionModalNew .thumb-img.active,
  #variantSelectionModalNew .thumb-img:active {
    border-color: #996633 !important;
    transform: scale(1.05) !important;
  }
  
  /* Product info */
  #variantSelectionModalNew .content-body {
    margin-bottom: 16px !important;
  }
  
  #variantSelectionModalNew .title {
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    color: #111827 !important;
    margin-bottom: 12px !important;
    line-height: 1.4 !important;
  }
  
  /* Price display */
  #variantSelectionModalNew #modal-price-block {
    margin-bottom: 20px !important;
    padding-bottom: 16px !important;
    border-bottom: 1px solid #f0f0f0 !important;
  }
  
  #variantSelectionModalNew #product-price {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: #996633 !important;
    display: inline-block !important;
    margin-right: 10px !important;
  }
  
  #variantSelectionModalNew #original-price {
    font-size: 1.1rem !important;
    color: #9ca3af !important;
    text-decoration: line-through !important;
  }
  
  /* Attribute groups */
  #variantSelectionModalNew .attribute-group {
    margin-bottom: 20px !important;
  }
  
  #variantSelectionModalNew .attribute-label {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: #374151 !important;
    margin-bottom: 10px !important;
    display: block !important;
  }
  
  #variantSelectionModalNew .attribute-buttons {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }
  
  /* VARIANT BUTTONS - FORCE MOBILE SIZING */
  #variantSelectionModalNew .variant-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 52px !important;
    min-width: 52px !important;
    padding: 12px 18px !important;
    border-radius: 12px !important;
    border: 2px solid #e5e7eb !important;
    background: #fff !important;
    color: #374151 !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    position: relative !important;
    -webkit-tap-highlight-color: transparent !important;
  }
  
  /* Color swatches - circular */
  #variantSelectionModalNew .color-btn {
    width: 60px !important;
    height: 60px !important;
    min-width: 60px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    font-size: 0.85rem !important;
    line-height: 1.2 !important;
    text-align: center !important;
    word-break: break-word !important;
  }
  
  /* Size buttons - pill shape */
  #variantSelectionModalNew .size-btn {
    min-width: 64px !important;
    height: 52px !important;
    border-radius: 26px !important;
    padding: 14px 22px !important;
    font-size: 1.05rem !important;
  }
  
  /* Active tap state */
  #variantSelectionModalNew .variant-btn:active {
    transform: scale(0.96) !important;
  }
  
  /* Selected state */
  #variantSelectionModalNew .variant-btn.selected {
    background: #AFBD77 !important;
    border-color: #996633 !important;
    color: #1f2937 !important;
    box-shadow: 0 4px 12px rgba(153, 102, 51, 0.15) !important;
  }
  
  #variantSelectionModalNew .variant-btn.selected::after {
    content: '✓' !important;
    position: absolute !important;
    top: 4px !important;
    right: 4px !important;
    font-size: 0.8rem !important;
    color: #996633 !important;
    font-weight: bold !important;
  }
  
  /* Disabled state */
  #variantSelectionModalNew .variant-btn.disabled,
  #variantSelectionModalNew .variant-btn:disabled {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
    position: relative !important;
  }
  
  #variantSelectionModalNew .variant-btn.disabled::before,
  #variantSelectionModalNew .variant-btn:disabled::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 10% !important;
    right: 10% !important;
    height: 2px !important;
    background: #ef4444 !important;
    transform: translateY(-50%) rotate(-45deg) !important;
  }
  
  /* Hide desktop elements on mobile */
  #variantSelectionModalNew .modal-body .row {
    display: block !important;
  }
  
  #variantSelectionModalNew .modal-body .col-md-6 {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 100% !important;
    padding: 0 !important;
  }
  
  #variantSelectionModalNew .card {
    border: none !important;
    margin-bottom: 0 !important;
  }
  
  /* Hide desktop Add button on mobile */
  #variantSelectionModalNew .modal-body #modalAddToCartBtn {
    display: none !important;
  }
  
  /* Mobile sticky footer (added by JS) */
  #mobile-modal-footer {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 10;
    margin-top: auto;
  }
  
  #mobile-add-to-cart-btn {
    width: 100% !important;
    height: 54px !important;
    background: linear-gradient(135deg, #996633 0%, #b07744 100%) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 12px !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    box-shadow: 0 4px 16px rgba(153, 102, 51, 0.25) !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent !important;
  }
  
  #mobile-add-to-cart-btn:active {
    transform: scale(0.98) !important;
  }
  
  #mobile-add-to-cart-btn:disabled {
    background: #d1d5db !important;
    box-shadow: none !important;
    cursor: not-allowed !important;
  }
  
  #mobile-add-to-cart-btn i {
    font-size: 1.2rem !important;
  }
}

/* ========== BACKDROP ENHANCEMENT ========== */
@media (max-width: 991px) {
  #variantSelectionModalNew.modal.show {
    backdrop-filter: blur(4px);
  }
  
  #variantSelectionModalNew .modal-backdrop.show {
    opacity: 0.6;
  }
}

/* ========== SAFE AREA SUPPORT (iPhone) ========== */
@media (max-width: 991px) {
  @supports (padding: max(0px)) {
    #variantSelectionModalNew .modal-content {
      max-height: calc(90vh - env(safe-area-inset-bottom)) !important;
    }
    
    #mobile-modal-footer {
      padding-bottom: max(16px, env(safe-area-inset-bottom)) !important;
    }
  }
}

/* ========== TABLET OPTIMIZATION ========== */
@media (min-width: 768px) and (max-width: 991px) {
  #variantSelectionModalNew .modal-content {
    max-height: 85vh !important;
  }
  
  #variantSelectionModalNew .main-media-container {
    height: 400px !important;
  }
  
  #variantSelectionModalNew .thumb-img {
    width: 80px !important;
    height: 80px !important;
    min-width: 80px !important;
  }
  
  #variantSelectionModalNew .variant-btn {
    min-height: 56px !important;
    min-width: 56px !important;
  }
  
  #variantSelectionModalNew .color-btn {
    width: 64px !important;
    height: 64px !important;
    min-width: 64px !important;
  }
  
  #variantSelectionModalNew .size-btn {
    height: 56px !important;
    padding: 16px 26px !important;
  }
}

/* ========== LANDSCAPE MODE ========== */
@media (max-width: 991px) and (orientation: landscape) {
  #variantSelectionModalNew .modal-content {
    max-height: 95vh !important;
  }
  
  #variantSelectionModalNew .main-media-container {
    height: 240px !important;
  }
  
  #variantSelectionModalNew .modal-body {
    padding: 12px 16px !important;
  }
  
  #variantSelectionModalNew .attribute-group {
    margin-bottom: 14px !important;
  }
}

/* ========== ACCESSIBILITY ========== */
#variantSelectionModalNew .variant-btn:focus-visible {
  outline: 3px solid #AFBD77 !important;
  outline-offset: 2px !important;
}

#variantSelectionModalNew .modal-close-btn:focus-visible {
  outline: 2px solid #996633 !important;
  outline-offset: 2px !important;
}

/* ========== ANIMATIONS ========== */
@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ========== PERFORMANCE ========== */
#variantSelectionModalNew .modal-dialog {
  backface-visibility: hidden;
  perspective: 1000px;
}

#variantSelectionModalNew .variant-btn,
#variantSelectionModalNew .thumb-img {
  will-change: transform;
}

/* ========== PREVENT BODY SCROLL ========== */
body.modal-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

/* ========== CUSTOM SCROLLBAR ========== */
@media (max-width: 991px) {
  #variantSelectionModalNew .modal-body::-webkit-scrollbar {
    width: 4px;
  }
  
  #variantSelectionModalNew .modal-body::-webkit-scrollbar-track {
    background: #f9fafb;
  }
  
  #variantSelectionModalNew .modal-body::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
  }
  
  #variantSelectionModalNew .modal-body::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
  }
}

/* ========== LOADING STATE ========== */
#variantSelectionModalNew .loading-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid #f3f4f6;
  border-top-color: #996633;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  z-index: 100;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}