/**
 * Estilos para Tienda - Tamales el Toro
 * 
 * Este archivo contiene los estilos específicos para la página de la tienda.
 * Define la estructura, apariencia y comportamiento responsivo de los elementos
 * relacionados con la visualización de productos y filtros.
 *
 * @version 1.0.0
 * @since 15-05-2025
 * @author Adrián Álvarez
 */

/* ==========================================================================
   ESTRUCTURA BASE DE LA TIENDA
   ========================================================================== */

/**
 * Encabezado de la página de tienda
 */
.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-secondary);
}

.page-title {
  color: var(--color-primary);
  font-family: var(--font-family-secondary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.breadcrumb-link {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--color-primary);
}

.breadcrumb-separator {
  margin: 0 var(--spacing-xs);
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* ==========================================================================
   FILTROS Y BÚSQUEDA
   ========================================================================== */

.shop-filters {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-secondary);
}

.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
  justify-content: space-between;
}

/**
 * Barra de búsqueda
 */
.search-container {
  display: flex;
  flex: 1;
  min-width: 300px;
  max-width: 400px;
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
  font-size: var(--font-size-md);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px rgba(166, 43, 12, 0.1);
}

.search-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-secondary);
  color: var(--color-text-light);
  border: none;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.search-btn:hover {
  background-color: var(--color-primary);
}

/**
 * Filtros por categoría
 */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-background);
  color: var(--color-text);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.filter-btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
  border-color: var(--color-secondary);
}

.filter-btn--active {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-color: var(--color-primary);
}

/**
 * Selector de ordenamiento
 */
.sort-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sort-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.sort-select {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-background);
  font-size: var(--font-size-sm);
}

.sort-select:focus {
  outline: none;
  border-color: var(--color-secondary);
}

/* ==========================================================================
   INDICADOR DE CARGA
   ========================================================================== */

.loading-container {
  text-align: center;
  padding: var(--spacing-xl);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(166, 43, 12, 0.1);
  border-left: 4px solid var(--color-secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

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

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

/* ==========================================================================
   GRID DE PRODUCTOS
   ========================================================================== */

.products-section {
  margin-bottom: var(--spacing-xl);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/**
 * Tarjeta individual de producto
 */
.product-card {
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/**
 * Imagen del producto
 */
.product-image-container {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

/**
 * Badges/Etiquetas del producto
 */
.product-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-badge--featured {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.product-badge--out-of-stock {
  background-color: var(--color-error);
  color: var(--color-text-light);
}

/**
 * Detalles del producto
 */
.product-details {
  padding: var(--spacing-md);
}

.product-category {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.product-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price-container {
  margin-bottom: var(--spacing-sm);
}

.product-price {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.product-stock {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.stock-count {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

/**
 * Acciones del producto
 */
.product-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.product-actions .btn {
  flex: 1;
  text-align: center;
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm);
}

/* ==========================================================================
   ESTADO SIN PRODUCTOS
   ========================================================================== */

.no-products {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius-md);
}

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

.no-products-title {
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.no-products-text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   PAGINACIÓN
   ========================================================================== */

.pagination-section {
  margin-top: var(--spacing-xl);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
}

.pagination-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background);
  color: var(--color-text);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: var(--font-size-sm);
}

.pagination-btn:hover:not(:disabled) {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   CARRITO FLOTANTE
   ========================================================================== */

.floating-cart {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1000;
}

.floating-cart-btn {
  width: 60px;
  height: 60px;
  background-color: var(--color-secondary);
  color: var(--color-text-light);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.floating-cart-btn:hover {
  background-color: var(--color-primary);
  transform: scale(1.1);
}

.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background-color: var(--color-error);
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: 50%;
  min-width: 20px;
  text-align: center;
}

/* ==========================================================================
   MODAL DE PRODUCTO
   ========================================================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.modal-content {
  position: relative;
  background-color: var(--color-background);
  margin: 5vh auto;
  max-width: 800px;
  max-height: 90vh;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-close-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  z-index: 10;
  transition: background-color 0.2s ease;
}

.modal-close-btn:hover {
  background-color: var(--color-error);
}

.modal-body {
  display: flex;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-image-container {
  flex: 1;
  max-width: 400px;
}

.modal-product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-product-details {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.modal-product-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.modal-product-category {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-md);
}

.modal-product-description {
  font-size: var(--font-size-md);
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.modal-product-price,
.modal-product-stock {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.price-label,
.stock-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.price-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.stock-value {
  color: var(--color-text-muted);
}

.modal-quantity-section {
  margin-bottom: var(--spacing-lg);
}

.quantity-label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

.quantity-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.quantity-btn {
  background-color: var(--color-background-alt);
  border: none;
  width: 40px;
  height: 40px;
  font-size: var(--font-size-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.quantity-btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.quantity-input {
  width: 60px;
  height: 40px;
  text-align: center;
  border: none;
  border-left: 1px solid rgba(0, 0, 0, 0.1);
  border-right: 1px solid rgba(0, 0, 0, 0.1);
  -moz-appearance: textfield;
  appearance: textfield;
}

.quantity-input::-webkit-inner-spin-button,
.quantity-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
}

.modal-actions .btn {
  flex: 1;
  padding: var(--spacing-md);
  font-size: var(--font-size-md);
}

/* ==========================================================================
   NOTIFICACIONES TOAST
   ========================================================================== */

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-width: 400px;
  animation: slideInRight 0.3s ease-out;
}

.toast--success {
  border-left: 4px solid var(--color-success);
}

.toast--error {
  border-left: 4px solid var(--color-error);
}

.toast--warning {
  border-left: 4px solid var(--color-warning);
}

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-light);
  flex-shrink: 0;
}

.toast--success .toast-icon {
  background-color: var(--color-success);
}

.toast--error .toast-icon {
  background-color: var(--color-error);
}

.toast--warning .toast-icon {
  background-color: var(--color-warning);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.toast-close-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-close-btn:hover {
  color: var(--color-text);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ==========================================================================
   MEDIA QUERIES RESPONSIVAS
   ========================================================================== */

/**
 * Tablets (hasta 768px)
 */
@media (max-width: 768px) {
  .filters-container {
    flex-direction: column;
    align-items: stretch;
  }

  .search-container {
    max-width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  .category-filters {
    justify-content: center;
    margin-bottom: var(--spacing-sm);
  }

  .sort-container {
    justify-content: center;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }

  .modal-body {
    flex-direction: column;
  }

  .modal-image-container {
    max-width: 100%;
    height: 250px;
  }

  .floating-cart {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
  }

  .floating-cart-btn {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .toast-container {
    top: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
  }

  .toast {
    max-width: 100%;
  }
}

/**
 * Móviles (hasta 480px)
 */
@media (max-width: 480px) {
  .page-header {
    padding-bottom: var(--spacing-md);
  }

  .page-title {
    font-size: var(--font-size-xl);
  }

  .page-subtitle {
    font-size: var(--font-size-md);
  }

  .shop-filters {
    padding: var(--spacing-md);
  }

  .category-filters {
    gap: var(--spacing-xs);
  }

  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .product-card {
    margin-bottom: var(--spacing-sm);
  }

  .product-actions {
    flex-direction: column;
  }

  .product-actions .btn {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }

  .modal-content {
    margin: 2vh var(--spacing-sm);
    max-height: 96vh;
  }

  .modal-product-details {
    padding: var(--spacing-md);
  }

  .modal-actions {
    flex-direction: column;
  }

  .pagination {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .pagination-btn {
    width: 100%;
    max-width: 200px;
  }
}

/**
 * Estados especiales para productos agotados
 */
.product-card--out-of-stock {
  opacity: 0.7;
}

.product-card--out-of-stock .product-image {
  filter: grayscale(0.5);
}

.product-card--out-of-stock .btn-add-to-cart {
  background-color: var(--color-text-muted);
  cursor: not-allowed;
  pointer-events: none;
}

/**
 * Animaciones adicionales
 */
.product-card {
  animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/**
 * Estados de hover mejorados
 */
.btn-add-to-cart:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-view-details:hover {
  background-color: var(--color-text-muted);
  color: var(--color-text-light);
}

/**
 * Estilos para accesibilidad
 */
.btn:focus,
.search-input:focus,
.sort-select:focus,
.quantity-input:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/**
 * Utilidades adicionales
 */
.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;
}