/**
 * FRIO Ice Cream & Botana - Filters & Search Styles
 * Dedicated CSS for all filter and search components
 * Can be used across menu, category, FAQ, and other pages
 * All comments in English as requested
 */

/* === FILTER SECTION LAYOUT === */

.menu-search-section,
.filter-section {
  padding: var(--space-8) 0;
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border-light);
}

.search-section {
  margin-bottom: var(--space-6);
}

/* === SEARCH BAR STYLES === */

.search-wrapper {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: var(--color-bg-white);
  border: 2px solid var(--color-border-medium);
  border-radius: var(--radius-full);
  padding: var(--space-1);
  transition: var(--transition-all);
  box-shadow: var(--shadow-sm);
}

.search-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha), var(--shadow-md);
  transform: translateY(-2px);
}

/* Search input */
.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background: transparent;
  color: var(--color-text-primary);
  border-radius: var(--radius-full);
}

.search-input::placeholder {
  color: var(--color-text-light);
  font-style: italic;
}

/* Search button */
.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: var(--color-primary);
  color: var(--color-text-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-all);
  margin-right: var(--space-1);
}

.search-btn:hover,
.search-btn:focus {
  background: var(--color-primary-dark);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.search-icon {
  font-size: var(--font-size-lg);
}

/* Clear search button */
.search-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-bg-gray);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-all);
  margin-right: var(--space-2);
}

.search-clear:hover,
.search-clear:focus {
  background: var(--color-error);
  color: var(--color-text-inverse);
  transform: scale(1.1);
}

.clear-icon {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

/* === SEARCH RESULTS INFO === */

.search-results-info {
  text-align: center;
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--color-primary-alpha);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.results-text {
  font-weight: var(--font-weight-medium);
}

/* === SIMPLE FILTERS === */

.simple-filters {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  max-width: 800px;
  margin: 0 auto;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 200px;
}

.filter-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.filter-select {
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border-medium);
  border-radius: var(--radius-lg);
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  cursor: pointer;
  transition: var(--transition-all);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

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

/* Clear filters button */
.clear-filters-btn {
  align-self: flex-end;
  white-space: nowrap;
}

/* === ADVANCED FILTERS (If needed later) === */

.advanced-filters {
  margin-top: var(--space-6);
  padding: var(--space-6);
  background: var(--color-bg-gray-light);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.filter-group-advanced {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Price range slider */
.price-range-group {
  grid-column: 1 / -1;
}

.price-range-slider {
  width: 100%;
  margin: var(--space-4) 0;
}

.price-range-display {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* Checkbox and radio styles */
.filter-checkbox-group,
.filter-radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.filter-option:hover {
  background: var(--color-primary-alpha);
}

.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.filter-option-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}

/* === FILTER RESULTS HEADER === */

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.results-info {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.results-count {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* View toggle buttons */
.view-toggle {
  display: flex;
  gap: var(--space-1);
  background: var(--color-bg-gray-light);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-all);
}

.view-btn:hover,
.view-btn.active {
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

.view-icon {
  font-size: var(--font-size-lg);
}

/* === NO RESULTS STATE === */

.no-products-found {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  background: var(--color-bg-gray-light);
  border-radius: var(--radius-xl);
  border: 2px dashed var(--color-border-medium);
}

.no-products-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.no-products-title {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.no-products-message {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* === LOADING STATES === */

.products-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  margin: var(--space-8) 0;
}

.loading-spinner {
  font-size: 3rem;
  animation: spin 2s linear infinite;
  margin-bottom: var(--space-4);
}

.loading-text {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  font-style: italic;
}

/* === FILTER ACTIVE INDICATORS === */

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-4) 0;
  padding: var(--space-4);
  background: var(--color-primary-alpha);
  border-radius: var(--radius-lg);
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-text-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.filter-tag-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: var(--font-size-xs);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.filter-tag-remove:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* === MOBILE RESPONSIVE === */

@media (max-width: 768px) {
  .menu-search-section,
  .filter-section {
    padding: var(--space-6) 0;
  }
  
  .search-wrapper {
    max-width: 100%;
    margin: 0 var(--space-4);
  }
  
  .simple-filters {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    margin: 0 var(--space-4);
  }
  
  .filter-group {
    min-width: auto;
  }
  
  .clear-filters-btn {
    align-self: stretch;
  }
  
  .results-header {
    flex-direction: column;
    gap: var(--space-4);
    align-items: stretch;
  }
  
  .view-toggle {
    align-self: center;
  }
  
  .no-products-found {
    padding: var(--space-12) var(--space-4);
  }
  
  .active-filters {
    margin: var(--space-4);
  }
}

@media (max-width: 480px) {
  .search-input {
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
  }
  
  .search-btn {
    width: 40px;
    height: 40px;
  }
  
  .search-clear {
    width: 28px;
    height: 28px;
  }
  
  .filter-select {
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
    padding-right: var(--space-8);
  }
  
  .no-products-icon {
    font-size: 3rem;
  }
  
  .no-products-title {
    font-size: var(--font-size-lg);
  }
}

/* === ACCESSIBILITY IMPROVEMENTS === */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .search-wrapper {
    border-width: 3px;
  }
  
  .search-btn,
  .clear-filters-btn {
    border: 2px solid var(--color-text-primary);
  }
  
  .filter-select {
    border-width: 3px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .search-wrapper,
  .search-btn,
  .search-clear,
  .filter-select,
  .view-btn {
    transition: none;
  }
  
  .loading-spinner {
    animation: none;
  }
  
  .search-wrapper:focus-within {
    transform: none;
  }
  
  .search-btn:hover {
    transform: none;
  }
}

/* Focus indicators for keyboard navigation */
.search-input:focus,
.filter-select:focus,
.search-btn:focus,
.search-clear:focus,
.view-btn:focus,
.clear-filters-btn:focus {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* === ANIMATIONS === */

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

/* Subtle search bar animations */
@keyframes searchFocus {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

.search-wrapper:focus-within {
  animation: searchFocus 0.3s ease-out;
}