/* AI Smart Search Widget Styles */

:root {
  /* Primary Brand Colors */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  
  /* Semantic Colors */
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --color-info: #0ea5e9;
  
  /* Neutral Palette */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography Scale */
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 2rem;     /* 32px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Legacy mappings for compatibility */
  --ai-search-primary: var(--color-primary-600);
  --ai-search-secondary: var(--color-gray-500);
  --ai-search-success: var(--color-success);
  --ai-search-error: var(--color-error);
  --ai-search-warning: var(--color-warning);
  --ai-search-bg: var(--color-gray-50);
  --ai-search-border: var(--color-gray-200);
  --ai-search-text: var(--color-gray-900);
  --ai-search-text-light: var(--color-gray-600);
  --ai-search-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --ai-search-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --ai-search-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --ai-search-radius: 8px;
  --ai-search-radius-sm: 4px;
  --ai-search-radius-lg: 12px;
  --ai-search-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Main Container */
.ai-search-container {
  width: 100%;
  max-width: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--ai-search-text);
  position: relative;
  font-feature-settings: 'kern' 1, 'liga' 1, 'tnum' 1;
}

/* Input Wrapper */
.ai-search-input-wrapper {
  position: relative;
  margin-bottom: 16px;
}

.ai-search-input {
  width: 100%;
  padding: 12px 48px 12px 16px;
  border: 2px solid var(--ai-search-border);
  border-radius: var(--ai-search-radius);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  background: white;
  color: var(--ai-search-text);
  transition: var(--ai-search-transition);
  box-sizing: border-box;
  font-feature-settings: 'kern' 1, 'liga' 1;
}

.ai-search-input:focus {
  outline: 3px solid var(--color-primary-600);
  outline-offset: 2px;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.ai-search-input::placeholder {
  color: var(--ai-search-text-light);
}

/* Spinner */
.ai-search-spinner {
  position: absolute;
  right: 44px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
}

.ai-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--ai-search-border);
  border-top: 2px solid var(--ai-search-primary);
  border-radius: 50%;
  animation: ai-spin 1s linear infinite;
}

@keyframes ai-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Clear Button */
.ai-search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border: none;
  background: var(--ai-search-text-light);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  transition: var(--ai-search-transition);
}

.ai-search-clear:hover {
  background: var(--ai-search-text);
}

.ai-search-clear span {
  margin-top: -2px;
}

/* Suggestions */
.ai-search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--ai-search-bg);
  border: 1px solid var(--ai-search-border);
  border-radius: var(--ai-search-radius);
  box-shadow: var(--ai-search-shadow-lg);
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
}

.ai-suggestion-item {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--ai-search-border);
  transition: var(--ai-search-transition);
}

.ai-suggestion-item:last-child {
  border-bottom: none;
}

.ai-suggestion-item:hover,
.ai-suggestion-item.selected {
  background: #f8fafc;
  color: var(--ai-search-primary);
}

/* Results Container */
.ai-search-results {
  border: 1px solid var(--ai-search-border);
  border-radius: var(--ai-search-radius);
  background: var(--ai-search-bg);
  overflow: hidden;
  position: relative;
}

/* Full height support */
.ai-search-results.full-height {
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
}

.ai-search-results.full-height .ai-results-grid {
  max-height: none !important;
  overflow-y: visible !important;
}

/* Results Header */
.ai-results-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--ai-search-border);
  background: #f8fafc;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ai-search-text-light);
}

/* Copy Button */
.ai-copy-results-btn {
  background: var(--color-primary-600);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--ai-search-transition);
  font-weight: 500;
}

.ai-copy-results-btn:hover {
  background: var(--color-primary-700);
}

.ai-copy-results-btn:active {
  transform: scale(0.95);
}

.ai-copy-results-btn.copied {
  background: var(--color-success);
}

.ai-results-count {
  font-weight: 500;
  color: var(--ai-search-text);
}

/* Results Grid */
.ai-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 16px;
  max-height: 80vh;
  overflow-y: auto;
}

/* Product Item */
.ai-product-item {
  border: 1px solid var(--ai-search-border);
  border-radius: var(--ai-search-radius);
  overflow: hidden;
  transition: var(--ai-search-transition);
  position: relative;
  background: white;
  will-change: transform, box-shadow;
}

.ai-product-clickable {
  cursor: pointer;
  user-select: none;
}

.ai-product-clickable:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--ai-search-shadow-xl);
  border-color: var(--color-primary-300);
}

.ai-product-clickable:focus {
  outline: 3px solid var(--color-primary-600);
  outline-offset: 2px;
}

.ai-product-clickable:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.1s;
}

.ai-product-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  border-radius: var(--ai-search-radius-sm);
}

.ai-product-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.05) 100%);
  z-index: 1;
  pointer-events: none;
}

.ai-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--ai-search-transition);
  opacity: 0;
  filter: brightness(1.02) saturate(1.1);
}

.ai-product-image img.loaded {
  opacity: 1;
}

.ai-product-clickable:hover .ai-product-image img {
  transform: scale(1.05);
  filter: brightness(1.05) saturate(1.15);
}

.ai-product-content {
  padding: 20px;
  position: relative;
  background: white;
}

.ai-product-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gray-200) 50%, transparent 100%);
}

.ai-product-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 8px 0;
  line-height: 1.4;
  color: var(--ai-search-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  letter-spacing: -0.01em;
}

.ai-product-categories {
  font-size: var(--font-size-sm);
  color: var(--ai-search-text-light);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
}

.ai-product-excerpt {
  font-size: var(--font-size-base);
  color: var(--ai-search-text-light);
  margin: 0 0 12px 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ai-match-score {
  font-size: var(--font-size-sm);
  color: var(--ai-search-success);
  font-weight: var(--font-weight-medium);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.ai-product-price {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-600);
  letter-spacing: -0.01em;
}

.ai-product-price .sale-price {
  color: var(--ai-search-error);
  margin-right: 8px;
}

.ai-product-price .regular-price {
  color: var(--ai-search-text-light);
  text-decoration: line-through;
  font-size: 14px;
  font-weight: 400;
}

/* Product cards are now fully clickable - no need for separate link styling */

/* Empty State */
.ai-search-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  text-align: center;
  color: var(--ai-search-text-light);
}

.ai-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.ai-empty-message {
  font-size: 16px;
  font-weight: 500;
}

/* Loading State */
.ai-search-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  text-align: center;
}

.ai-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top: 3px solid var(--color-primary-600);
  border-radius: 50%;
  animation: ai-spin 0.8s ease-in-out infinite;
  margin-bottom: 16px;
}

@keyframes ai-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ai-loading-text {
  font-size: var(--font-size-sm);
  color: var(--ai-search-text-light);
  font-weight: var(--font-weight-medium);
  animation: ai-pulse 1.5s ease-in-out infinite;
}

/* Enhanced Product Loading Skeleton */
.ai-product-skeleton {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--ai-search-radius);
  overflow: hidden;
  background: white;
  animation: ai-pulse 1.5s ease-in-out infinite;
}

.ai-product-skeleton .ai-skeleton-image {
  height: 180px;
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: ai-shimmer 1.5s ease-in-out infinite;
}

.ai-product-skeleton .ai-skeleton-content {
  padding: 20px;
}

.ai-product-skeleton .ai-skeleton-line {
  height: 12px;
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  margin-bottom: 8px;
  animation: ai-shimmer 1.5s ease-in-out infinite;
}

.ai-product-skeleton .ai-skeleton-line:nth-child(1) { width: 80%; }
.ai-product-skeleton .ai-skeleton-line:nth-child(2) { width: 60%; }
.ai-product-skeleton .ai-skeleton-line:nth-child(3) { width: 40%; }

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

/* Error State */
.ai-search-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  text-align: center;
  color: var(--ai-search-error);
}

.ai-error-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.7;
}

.ai-error-message {
  font-size: 14px;
  margin-bottom: 16px;
}

.ai-retry-button {
  padding: 8px 16px;
  background: var(--ai-search-error);
  color: white;
  border: none;
  border-radius: var(--ai-search-radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: var(--ai-search-transition);
}

.ai-retry-button:hover {
  background: #dc2626;
}

/* Powered By */
.ai-search-powered-by {
  text-align: center;
  margin-top: 12px;
  opacity: 0.6;
}

.ai-search-powered-by small {
  font-size: 12px;
  color: var(--ai-search-text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
  .ai-results-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 12px;
  }
  
  .ai-product-item {
    display: flex;
    align-items: flex-start;
  }
  
  .ai-product-image {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    margin-right: 12px;
  }
  
  .ai-product-content {
    flex: 1;
    padding: 8px;
  }
  
  .ai-product-title {
    font-size: var(--font-size-base);
    -webkit-line-clamp: 2;
  }
  
  .ai-product-excerpt {
    font-size: var(--font-size-sm);
    -webkit-line-clamp: 2;
  }
  
  .ai-search-input {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

@media (max-width: 480px) {
  .ai-search-container {
    font-size: 13px;
  }
  
  .ai-search-input {
    padding: 10px 40px 10px 12px;
  }
  
  .ai-results-grid {
    padding: 8px;
    gap: 8px;
  }
  
  .ai-product-image {
    width: 100px;
    height: 100px;
  }
  
  .ai-product-content {
    padding: 8px;
  }
}

/* Widget Specific Styles */
.widget .ai-search-container {
  font-size: 13px;
}

.widget .ai-search-input {
  font-size: 14px;
}

.widget .ai-results-grid {
  grid-template-columns: 1fr;
}

.widget .ai-product-item {
  display: flex;
  align-items: flex-start;
}

.widget .ai-product-image {
  width: 80px;
  height: 80px;
  margin-right: 12px;
}

.widget .ai-product-content {
  flex: 1;
  padding: 8px;
}

.widget .ai-product-title {
  font-size: var(--font-size-base);
}

.widget .ai-product-excerpt {
  font-size: var(--font-size-sm);
  -webkit-line-clamp: 2;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --ai-search-bg: #1e293b;
    --ai-search-border: #374151;
    --ai-search-text: #f1f5f9;
    --ai-search-text-light: #94a3b8;
  }
  
  .ai-search-input {
    background: var(--ai-search-bg);
    color: var(--ai-search-text);
  }
  
  .ai-suggestion-item:hover,
  .ai-suggestion-item.selected {
    background: #374151;
  }
  
  .ai-results-header {
    background: #374151;
  }
  
  .ai-product-item {
    background: var(--ai-search-bg);
  }
  
  .ai-product-image {
    background: #374151;
  }
}

/* RTL Support */
[dir="rtl"] .ai-search-spinner {
  right: auto;
  left: 44px;
}

[dir="rtl"] .ai-search-clear {
  right: auto;
  left: 12px;
}

[dir="rtl"] .ai-product-image {
  margin-right: 0;
  margin-left: 12px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --ai-search-border: #000000;
    --ai-search-text: #000000;
    --ai-search-bg: #ffffff;
  }
  
  .ai-product-item {
    border-width: 2px;
  }
  
  .ai-search-input {
    border-width: 2px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .ai-product-item:hover {
    transform: none;
  }
}

/* Print Styles */
@media print {
  .ai-search-container {
    display: none;
  }
}