/* =====================================================
   CATALOG - Estilos para el catálogo de productos
   Sprint 4: Landing y Catálogo de Tienda
   ===================================================== */

/* =====================================================
   STORE HERO BANNER
   ===================================================== */
.store-hero {
  position: relative;
  min-height: 280px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin-bottom: var(--spacing-8);
}

.store-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.store-hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.store-hero-background.has-pattern {
  background:
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.store-hero-background.has-pattern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.store-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 100%);
  z-index: 1;
}

.store-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
  padding: var(--spacing-8);
  color: white;
}

.store-hero-logo {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow-xl);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.store-hero-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.store-hero-logo .no-logo {
  font-size: var(--text-4xl);
  color: var(--text-muted);
}

.store-hero-info {
  flex: 1;
}

.store-hero-category {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-3);
}

.store-hero-name {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--spacing-2);
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.store-hero-description {
  font-size: var(--text-base);
  opacity: 0.9;
  max-width: 600px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-4);
}

.store-hero-social {
  display: flex;
  gap: var(--spacing-2);
}

.store-hero-social .social-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: white;
  text-decoration: none;
  transition: var(--transition-all);
  font-size: var(--text-lg);
}

.store-hero-social .social-btn:hover {
  background: white;
  color: var(--color-primary);
  transform: translateY(-2px);
}

.store-hero-social .social-btn.whatsapp:hover {
  color: #25D366;
}

.store-hero-social .social-btn.instagram:hover {
  color: #E4405F;
}

.store-hero-social .social-btn.facebook:hover {
  color: #1877F2;
}

/* =====================================================
   BREADCRUMBS
   ===================================================== */
.catalog-breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.catalog-breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.catalog-breadcrumbs a:hover {
  color: var(--color-primary);
}

.catalog-breadcrumbs .separator {
  color: var(--text-muted);
}

.catalog-breadcrumbs .current {
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

/* =====================================================
   CATALOG TOOLBAR
   ===================================================== */
.catalog-toolbar {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4) var(--spacing-6);
  margin-bottom: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.catalog-toolbar-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.catalog-search {
  flex: 1;
  min-width: 200px;
  display: flex;
  gap: var(--spacing-2);
}

.catalog-search-input {
  flex: 1;
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  transition: var(--transition-all);
  background: var(--bg-primary);
}

.catalog-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.catalog-search-input::placeholder {
  color: var(--text-muted);
}

/* =====================================================
   FILTER CHIPS
   ===================================================== */
.filter-chips {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.filter-chips-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--bg-primary);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-all);
  user-select: none;
}

.filter-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.filter-chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.filter-chip .count {
  background: rgba(0, 0, 0, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
}

.filter-chip.active .count {
  background: rgba(255, 255, 255, 0.2);
}

/* Quick filter for available only */
.filter-chip-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--bg-primary);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-all);
}

.filter-chip-toggle:hover {
  border-color: var(--color-success);
  color: var(--color-success);
}

.filter-chip-toggle.active {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.filter-chip-toggle .toggle-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid currentColor;
  position: relative;
}

.filter-chip-toggle.active .toggle-indicator::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
}

/* =====================================================
   SORT DROPDOWN
   ===================================================== */
.catalog-sort {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-left: auto;
}

.catalog-sort-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  white-space: nowrap;
}

.catalog-sort-select {
  padding: var(--spacing-2) var(--spacing-4);
  padding-right: var(--spacing-8);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  background: var(--bg-primary);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: var(--transition-all);
}

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

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

/* =====================================================
   PRODUCTS COUNT
   ===================================================== */
.catalog-results-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) 0;
  margin-bottom: var(--spacing-4);
}

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

.catalog-results-count strong {
  color: var(--text-primary);
  font-weight: var(--font-semibold);
}

/* =====================================================
   IMPROVED PRODUCT CARDS
   ===================================================== */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.catalog-product-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.catalog-product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

/* Product Image with 4:5 ratio */
.catalog-product-image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.catalog-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.catalog-product-card:hover .catalog-product-image img {
  transform: scale(1.08);
}

.catalog-product-image .no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--text-4xl);
}

/* Product Badges */
.catalog-product-badges {
  position: absolute;
  top: var(--spacing-3);
  left: var(--spacing-3);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  z-index: 2;
}

.catalog-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: var(--radius-full);
}

.catalog-badge-new {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.catalog-badge-sale {
  background: var(--color-error);
  color: white;
}

.catalog-badge-out {
  background: var(--color-gray-600);
  color: white;
}

.catalog-badge-variations {
  background: var(--color-info);
  color: white;
}

/* Quick action on hover */
.catalog-product-quick-action {
  position: absolute;
  bottom: var(--spacing-3);
  left: var(--spacing-3);
  right: var(--spacing-3);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition-all);
}

.catalog-product-card:hover .catalog-product-quick-action {
  opacity: 1;
  transform: translateY(0);
}

/* Product Content */
.catalog-product-content {
  padding: var(--spacing-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.catalog-product-category {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-1);
}

.catalog-product-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
  line-height: var(--leading-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Truncated description with "ver más" */
.catalog-product-description {
  position: relative;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-3);
  max-height: 3.6em; /* 2 lines */
  overflow: hidden;
}

.catalog-product-description.expanded {
  max-height: none;
}

.catalog-product-description-toggle {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  cursor: pointer;
  margin-bottom: var(--spacing-3);
}

.catalog-product-description-toggle:hover {
  text-decoration: underline;
}

/* Product Price */
.catalog-product-price {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: var(--color-accent);
  margin-top: auto;
  margin-bottom: var(--spacing-2);
}

/* Product Stock */
.catalog-product-stock {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.catalog-product-stock.in-stock {
  color: var(--color-success);
}

.catalog-product-stock.low-stock {
  color: var(--color-warning);
}

.catalog-product-stock.out-of-stock {
  color: var(--color-error);
}

/* Product Footer */
.catalog-product-footer {
  padding: var(--spacing-4);
  padding-top: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

/* =====================================================
   PAGINATION
   ===================================================== */
.catalog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-8) 0;
}

.catalog-pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  background: var(--bg-primary);
  cursor: pointer;
  transition: var(--transition-all);
  text-decoration: none;
}

.catalog-pagination-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.catalog-pagination-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

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

/* Load More Button */
.catalog-load-more {
  display: flex;
  justify-content: center;
  padding: var(--spacing-8) 0;
}

.catalog-load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-8);
  background: var(--bg-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  cursor: pointer;
  transition: var(--transition-all);
}

.catalog-load-more-btn:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.catalog-load-more-btn .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.catalog-load-more-btn.loading .spinner {
  display: inline-block;
}

.catalog-load-more-btn.loading .text {
  display: none;
}

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

/* =====================================================
   EMPTY STATE
   ===================================================== */
.catalog-empty {
  text-align: center;
  padding: var(--spacing-16) var(--spacing-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
}

.catalog-empty-icon {
  font-size: 4rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-4);
}

.catalog-empty-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.catalog-empty-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 992px) {
  .store-hero {
    min-height: 240px;
  }

  .store-hero-content {
    padding: var(--spacing-6);
  }

  .store-hero-logo {
    width: 100px;
    height: 100px;
  }

  .store-hero-name {
    font-size: var(--text-2xl);
  }

  .catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-4);
  }
}

@media (max-width: 768px) {
  .store-hero {
    min-height: auto;
  }

  .store-hero-content {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-6);
  }

  .store-hero-logo {
    width: 80px;
    height: 80px;
  }

  .store-hero-name {
    font-size: var(--text-xl);
  }

  .store-hero-description {
    font-size: var(--text-sm);
  }

  .store-hero-social {
    justify-content: center;
  }

  .catalog-toolbar {
    padding: var(--spacing-4);
  }

  .catalog-toolbar-row {
    flex-direction: column;
    align-items: stretch;
  }

  .catalog-search {
    min-width: 100%;
    flex-direction: column;
  }

  .catalog-sort {
    margin-left: 0;
    justify-content: space-between;
  }

  .filter-chips {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--spacing-2);
    -webkit-overflow-scrolling: touch;
  }

  .filter-chip {
    flex-shrink: 0;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
  }

  .catalog-product-content {
    padding: var(--spacing-3);
  }

  .catalog-product-title {
    font-size: var(--text-sm);
  }

  .catalog-product-price {
    font-size: var(--text-lg);
  }

  .catalog-product-footer {
    padding: var(--spacing-3);
    padding-top: 0;
  }
}

@media (max-width: 480px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-product-image {
    /* Evita recortar la parte superior en mobile */
    aspect-ratio: 1 / 1;
    background: var(--bg-secondary);
  }

  .catalog-product-image img {
    object-fit: contain;
    padding: var(--spacing-2);
  }
}

/* =====================================================
   LAZY LOADING
   ===================================================== */
.lazy-image {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lazy-image.loaded {
  opacity: 1;
}

.lazy-image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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