/* =====================================================
   CARDS - Sistema de tarjetas unificado
   Sprint 2: Sistema Visual Unificado

   Clases disponibles:
   - .card-mercana: Tarjeta base
   - .card-mercana-product: Tarjeta de producto
   - .card-mercana-store: Tarjeta de tienda
   - .card-mercana-feature: Tarjeta de caracteristica
   - .card-mercana-info: Tarjeta informativa
   ===================================================== */

/* =====================================================
   TARJETA BASE
   ===================================================== */
.card-mercana {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-mercana:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(var(--color-primary-rgb), 0.2);
}

.card-mercana-body {
  padding: var(--spacing-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-mercana-header {
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-100);
}

.card-mercana-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-gray-100);
  background: var(--bg-secondary);
}

/* =====================================================
   TARJETA DE PRODUCTO
   ===================================================== */
.card-mercana-product {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.card-mercana-product:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
  text-decoration: none;
  color: inherit;
}

/* Overlay sutil al hover */
.card-mercana-product::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(var(--color-primary-rgb), 0.05),
    rgba(var(--color-secondary-rgb), 0.05)
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card-mercana-product:hover::after {
  opacity: 1;
}

/* Imagen del producto */
.card-mercana-product-image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-tertiary);
}

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

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

/* Placeholder cuando no hay imagen */
.card-mercana-product-image .no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-size: var(--text-4xl);
}

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

.card-mercana-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.card-mercana-badge-new {
  background: var(--gradient-primary);
  color: var(--text-inverse);
}

.card-mercana-badge-sale {
  background: var(--color-error);
  color: var(--text-inverse);
}

.card-mercana-badge-soldout {
  background: var(--color-gray-700);
  color: var(--text-inverse);
}

/* Contenido del producto */
.card-mercana-product-content {
  padding: var(--spacing-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

.card-mercana-product-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  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;
}

.card-mercana-product-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-mercana-product-price {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  margin-top: auto;
}

.card-mercana-product-price-old {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: line-through;
  margin-right: var(--spacing-2);
}

/* Stock indicator */
.card-mercana-product-stock {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--text-xs);
  margin-top: var(--spacing-2);
}

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

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

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

/* =====================================================
   TARJETA DE TIENDA
   ===================================================== */
.card-mercana-store {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
  text-align: center;
}

.card-mercana-store:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
  text-decoration: none;
  color: inherit;
}

.card-mercana-store-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-4);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.card-mercana-store:hover .card-mercana-store-logo {
  transform: scale(1.05) rotate(2deg);
}

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

.card-mercana-store-logo .no-logo {
  font-size: var(--text-3xl);
  color: var(--text-muted);
}

.card-mercana-store-name {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.card-mercana-store-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-mercana-store-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  padding: var(--spacing-1-5) var(--spacing-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

/* =====================================================
   TARJETA DE FEATURE
   ===================================================== */
.card-mercana-feature {
  text-align: center;
  padding: var(--spacing-6);
  height: 100%;
}

.card-mercana-feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-4);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.card-mercana-feature:hover .card-mercana-feature-icon {
  transform: rotate(-5deg) scale(1.1);
}

.card-mercana-feature-icon i,
.card-mercana-feature-icon .bi {
  font-size: var(--text-3xl);
  color: var(--text-inverse);
}

.card-mercana-feature-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.card-mercana-feature-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* =====================================================
   TARJETA INFORMATIVA
   ===================================================== */
.card-mercana-info {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  border: 1px solid var(--color-gray-200);
  display: flex;
  gap: var(--spacing-4);
  align-items: flex-start;
}

.card-mercana-info-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--text-xl);
}

.card-mercana-info-content {
  flex: 1;
}

.card-mercana-info-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.card-mercana-info-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* =====================================================
   GLASS EFFECT
   ===================================================== */
.card-mercana-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* =====================================================
   AJUSTES PARA GRIDS EXISTENTES
   ===================================================== */

/* Cuando se usa dentro del products-grid de store-view */
.products-grid .card-mercana-product-image {
  aspect-ratio: unset;
  height: 250px;
  max-height: 250px;
}

.products-grid .card-mercana-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .products-grid .card-mercana-product-image {
    height: 200px;
    max-height: 200px;
  }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  .card-mercana-body,
  .card-mercana-product-content {
    padding: var(--spacing-4);
  }

  .card-mercana-store {
    padding: var(--spacing-4);
  }

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

  .card-mercana-feature-icon {
    width: 64px;
    height: 64px;
  }

  .card-mercana-feature-icon i,
  .card-mercana-feature-icon .bi {
    font-size: var(--text-2xl);
  }
}