:root {
  --color-primary: #6a11cb;
  --color-primary-light: #8a2be2;
  --color-primary-dark: #5a0cb3;
  --color-secondary: #2575fc;
  --color-accent: #ff6b6b;
  --color-accent-light: #ff9e9e;
  --gradient-primary: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  --gradient-secondary: linear-gradient(135deg, #7d2ae8 0%, #ff6b6b 100%);
  --gradient-accent: linear-gradient(135deg, #8a2be2 0%, #2575fc 100%);
  --gradient-light: linear-gradient(135deg, rgba(106, 17, 203, 0.1) 0%, rgba(37, 117, 252, 0.1) 100%);
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-900: #1a1a2e;
  --color-gray-800: #2d3748;
  --color-gray-700: #4a5568;
  --color-gray-600: #718096;
  --color-gray-500: #a0aec0;
  --color-gray-400: #cbd5e0;
  --color-gray-300: #e2e8f0;
  --color-gray-200: #edf2f7;
  --color-gray-100: #f7fafc;
  --color-gray-50: #f8fafc;
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-gray-50);
  --bg-tertiary: var(--color-gray-100);
  --bg-card: var(--color-white);
  --bg-overlay: rgba(26, 26, 46, 0.8);

  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-700);
  --text-tertiary: var(--color-gray-600);
  --text-light: var(--color-white);

  --border-color: var(--color-gray-200);
  --border-light: rgba(255, 255, 255, 0.2);

  --shadow-sm: 0 2px 4px rgba(106, 17, 203, 0.08);
  --shadow-md: 0 4px 12px rgba(106, 17, 203, 0.12);
  --shadow-lg: 0 8px 24px rgba(106, 17, 203, 0.16);
  --shadow-xl: 0 16px 40px rgba(106, 17, 203, 0.2);
  --shadow-neon: 0 0 20px rgba(138, 43, 226, 0.4);
  --shadow-neon-hover: 0 0 30px rgba(138, 43, 226, 0.6);

  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 2. Reset & Base ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(106, 17, 203, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(37, 117, 252, 0.03) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

/* ---------- 3. Search Page Layout ---------- */
.search {
  min-height: calc(100vh - 400px);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--bg-secondary) 100%);
}

.search__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-8) var(--spacing-6) var(--spacing-16);
}

/* ---------- 4. Search Header ---------- */
.search__header {
  margin-bottom: var(--spacing-8);
}

/* ---------- 5. Search Box ---------- */
.search-box {
  display: flex;
  gap: var(--spacing-4);
  align-items: center;
  flex-wrap: wrap;
  background: var(--color-white);
  padding: var(--spacing-2);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.search-box:focus-within {
  box-shadow: var(--shadow-neon);
  border-color: var(--color-primary-light);
}

.search-box__input-group {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: 0 var(--spacing-4);
  transition: all var(--transition-fast);
}

.search-box__icon {
  color: var(--color-gray-500);
  font-size: 1.125rem;
}

.search-box__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--spacing-4) var(--spacing-3);
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
}

.search-box__input::placeholder {
  color: var(--color-gray-400);
}

.search-box__submit {
  background: var(--gradient-primary);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-box__submit:hover {
  transform: translateX(2px);
  box-shadow: var(--shadow-neon);
}

/* ---------- 6. Filter Toggle ---------- */
.filter-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  background: var(--gradient-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.filter-toggle:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

.filter-toggle__icon {
  font-size: 1rem;
}

.filter-toggle__arrow {
  transition: transform var(--transition-base);
}

.filter-toggle__arrow--rotated {
  transform: rotate(180deg);
}

/* ---------- 7. Filters Panel ---------- */
.filters-panel {
  margin-top: var(--spacing-4);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  animation: slideDown 0.2s ease-out;
}

.filters-panel--hidden {
  display: none;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.filters-panel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-4);
  align-items: end;
}

.filters-panel__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.filters-panel__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.filters-panel__label i {
  color: var(--color-primary);
  font-size: 0.875rem;
}

.filters-panel__select {
  padding: var(--spacing-3) var(--spacing-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  font-size: 0.875rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filters-panel__select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
}

.filters-panel__select:disabled {
  background: var(--color-gray-100);
  cursor: not-allowed;
  opacity: 0.6;
}

.filters-panel__actions {
  display: flex;
  gap: var(--spacing-3);
  grid-column: span 1;
}

/* ---------- 8. Filter Buttons ---------- */
.btn-filter {
  flex: 1;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.btn-filter--apply {
  background: var(--gradient-primary);
  border: none;
  color: var(--color-white);
}

.btn-filter--apply:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon);
}

.btn-filter--reset {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-filter--reset:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--gradient-light);
}

/* ---------- 9. Results Section ---------- */
.results {
  margin-top: var(--spacing-8);
}

.results__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-3);
  border-bottom: 2px solid var(--border-color);
}

.results__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.results__title-accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.results__count {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ---------- 10. Products Grid ---------- */
.products-grid {
  min-height: 400px;
}

.products-grid--hidden {
  display: none;
}

/* ---------- 11. Category Section ---------- */
.category-section {
  margin-bottom: var(--spacing-12);
}

.category-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-2);
  border-bottom: 1px solid var(--border-color);
}

.category-section__title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.category-section__title i {
  color: var(--color-primary);
  font-size: 1.25rem;
}

.category-section__count {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  background: var(--color-gray-100);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
}

/* ---------- 12. Products Row (2 columns) ---------- */
.products-row {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 1.5rem !important;
}

/* Category sections also respect 2-col layout */
.category-section .products-row {
  grid-template-columns: repeat(2, 1fr) !important;
}

/* Search results row same rule */
.products-row--search-results {
  grid-template-columns: repeat(2, 1fr) !important;
}

/* ---------- 13. Product Card ---------- */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid var(--border-color);
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.product-card__image-wrapper {
  position: relative !important;
  aspect-ratio: 1 / 1 !important;
  width: 100% !important;
  overflow: hidden !important;
  background: var(--color-gray-100) !important;
}

.product-card__image {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
  transition: transform var(--transition-base);
}

.product-card:hover .product-card__image {
  transform: scale(1.05);
}

/* Fallback for broken images */
.product-card__image[src=""],
.product-card__image:not([src]) {
  opacity: 0.6;
  background: #e5e7eb;
}

.product-card__badge {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-white);
  font-size: 0.7rem;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.product-card__badge--free {
  background: #10b981;
}

.product-card__info {
  padding: var(--spacing-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__meta {
  margin-bottom: var(--spacing-2);
}

.product-card__store {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-card__store i {
  font-size: 0.7rem;
}

.product-card__snippet {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.3;
}

.product-card__price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-2) 0;
}

.product-card__price-tag {
  font-weight: 700;
  color: #6a11cb;
}

.product-card__action {
  margin-top: auto;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.product-card__action:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

/* ---------- 14. Loading, Error & Empty States ---------- */
.state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-16);
  text-align: center;
  gap: var(--spacing-4);
}

.state__icon {
  font-size: 3rem;
  color: var(--color-primary);
}

.state__message {
  color: var(--text-secondary);
  font-size: 1rem;
}

.state--error {
  background: #fef2f2;
  border-radius: 1rem;
  color: #dc2626;
}

.state--error .state__message {
  color: var(--text-secondary);
}

.state__action {
  background: var(--gradient-primary);
  border: none;
  padding: var(--spacing-2) var(--spacing-6);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  cursor: pointer;
  font-weight: 500;
  margin-top: var(--spacing-2);
}

.state--empty {
  text-align: center;
  padding: var(--spacing-16);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}

.state--empty .state__icon {
  font-size: 4rem;
  color: var(--color-gray-400);
  margin-bottom: var(--spacing-4);
}

.state--empty .state__title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.state--empty .state__message {
  color: var(--text-secondary);
}

.state--hidden {
  display: none;
}

/* ---------- 15. Utilities ---------- */
.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---------- 16. Scrollbar ---------- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* ---------- 17. Focus States ---------- */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- 18. Responsive ---------- */

/* Tablet and desktop - maintain 2 columns */
@media (min-width: 769px) {
  .products-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.5rem !important;
  }
}

/* Medium screens - still 2 columns */
@media (min-width: 769px) and (max-width: 1024px) {
  .filters-panel__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .filters-panel__actions {
    grid-column: span 2;
    flex-direction: row;
  }
  
  .products-row {
    gap: 1.25rem !important;
  }
}

/* Mobile landscape and tablets - 2 columns */
@media (max-width: 768px) {
  .search__container {
    padding: var(--spacing-4) var(--spacing-4) var(--spacing-12);
  }
  
  .search-box {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-toggle {
    justify-content: center;
    width: 100%;
  }
  
  .filters-panel__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
  }
  
  .filters-panel__actions {
    grid-column: span 1;
    flex-direction: column;
  }
  
  .results__header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .results__title {
    font-size: 1.5rem;
  }
  
  /* Keep 2 columns on mobile */
  .products-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1rem !important;
  }
  
  .category-section__title {
    font-size: 1.25rem;
  }
  
  .product-card__info {
    padding: 0.75rem !important;
  }
  
  .product-card__title {
    font-size: 0.85rem !important;
  }
  
  .product-card__price {
    font-size: 1rem !important;
  }
  
  .product-card__action {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: 0.7rem;
  }
}

/* Small mobile devices - CRITICAL: still 2 columns, never 1 */
@media (max-width: 480px) {
  .products-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.75rem !important;
  }
  
  .product-card {
    border-radius: var(--radius-lg);
  }
  
  .product-card__info {
    padding: 0.65rem !important;
  }
  
  .product-card__title {
    font-size: 0.8rem !important;
    -webkit-line-clamp: 2;
  }
  
  .product-card__store {
    font-size: 0.65rem;
  }
  
  .product-card__price {
    font-size: 0.9rem !important;
    margin: var(--spacing-1) 0;
  }
  
  .product-card__action {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: 0.65rem;
  }
  
  .product-card__badge {
    font-size: 0.6rem;
    padding: 2px 6px;
    top: var(--spacing-1);
    right: var(--spacing-1);
  }
}

/* Extra small devices (e.g., iPhone SE) - maintain 2 columns */
@media (max-width: 380px) {
  .products-row {
    gap: 0.6rem !important;
  }
  
  .product-card__title {
    font-size: 0.75rem !important;
  }
  
  .product-card__store {
    font-size: 0.6rem;
  }
  
  .product-card__action {
    font-size: 0.6rem;
    padding: var(--spacing-1) var(--spacing-1);
  }
}

/* ---------- 19. Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 20. Fix for any potential CSS conflicts ---------- */
.products-grid .products-row,
.category-section .products-row,
.products-row--search-results {
  display: grid !important;
}

.product-card__image-wrapper {
  min-height: 0;
  min-width: 0;
}