/**
 * Card Grid System
 * Modern CSS Grid layout for product and category cards
 * Uses brand variables for consistency
 */

/* ===================================================================
   GRID CONTAINER
   =================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
  width: 100%;
}

/* 3-column layout for larger screens */
@media (min-width: 768px) {
  .card-grid--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 4-column layout for extra large screens */
@media (min-width: 1200px) {
  .card-grid--4col {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 2-column layout for tablets */
@media (min-width: 576px) and (max-width: 767px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Single column for mobile */
@media (max-width: 575px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md, 16px);
  }
}

/* ===================================================================
   GRID ITEMS
   =================================================================== */

.card-grid__item {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0; /* Allow items to shrink */
}

/* ===================================================================
   CARD WRAPPER - Ensures equal height cards
   =================================================================== */

.card-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.card-wrapper:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===================================================================
   CARD COMPONENTS
   =================================================================== */

/* Card Image - Fixed Height */
.card-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: white;
  border-bottom: 1px solid var(--border-primary);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-medium);
}

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

/* Card Image Overlay Actions */
.card-image__overlay {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.card-wrapper:hover .card-image__overlay {
  opacity: 1;
}

/* Card Content - Flexible Growth */
.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
}

/* Card Title */
.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  min-height: 2.6em; /* Reserve space for 2 lines */
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.card-title a:hover {
  color: var(--color-accent);
}

/* Card Description */
.card-description {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

/* Card Meta (SKU, etc) */
.card-meta {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

/* Card Rating */
.card-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.card-rating .stars {
  display: flex;
  gap: 2px;
}

.card-rating .star {
  color: var(--color-accent);
  font-size: var(--font-size-base);
}

/* Card Price Section */
.card-price {
  margin-top: auto; /* Push to bottom of flexible area */
  padding-top: var(--spacing-sm);
}

.card-price__current {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.card-price__old {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  text-decoration: line-through;
  margin-right: var(--spacing-xs);
}

/* Card Quantity Selector */
.card-quantity {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.card-quantity label {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
}

.card-quantity input {
  width: 60px;
  padding: var(--spacing-xs);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* Card Actions - Fixed at Bottom */
.card-actions {
  display: flex;
  border-top: 1px solid var(--border-primary);
  background: var(--bg-primary);
  margin-top: auto;
  color: black;
}

.card-actions__button {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

/* Primary Action Button */
.card-actions__button--primary {
  background: var(--color-accent);
  color: var(--color-black) !important;
}

.card-actions__button--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-black);
  transform: translateY(-1px);
}

/* Secondary Action Button */
.card-actions__button--secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-primary);
}

.card-actions__button--secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

/* Icon in buttons */
.card-actions__button i {
  margin-right: var(--spacing-xs);
}

/* ===================================================================
   CATEGORY CARD SPECIFIC STYLES
   =================================================================== */

.card-wrapper--category {
  min-height: 380px;
}

.card-wrapper--category .card-title {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.card-wrapper--category .card-content {
  text-align: left;
}

/* ===================================================================
   PRODUCT CARD SPECIFIC STYLES
   =================================================================== */

.card-wrapper--product {
  min-height: 520px;
}

.card-wrapper--product .price-table {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.card-wrapper--product .price-table li {
  padding: 4px 0;
  display: flex;
  justify-content: space-between;
}

/* ===================================================================
   LOADING STATE
   =================================================================== */

.card-wrapper--loading {
  position: relative;
  overflow: hidden;
}

.card-wrapper--loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  to {
    left: 100%;
  }
}

/* ===================================================================
   RESPONSIVE ADJUSTMENTS
   =================================================================== */

/* Tablet adjustments */
@media (max-width: 991px) {
  .card-grid {
    gap: var(--spacing-md);
  }

  .card-image {
    height: 200px;
  }

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

  .card-actions__button {
    width: 100%;
  }
}

/* Mobile adjustments */
@media (max-width: 575px) {
  .card-image {
    height: 180px;
  }

  .card-title {
    font-size: var(--font-size-base);
  }

  .card-wrapper--product {
    min-height: 450px;
  }

  .card-wrapper--category {
    min-height: 320px;
  }
}

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

/* Focus styles */
.card-actions__button:focus,
.card-title a:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .card-wrapper,
  .card-image img,
  .card-image__overlay,
  .card-actions__button {
    transition: none;
  }

  .card-wrapper--loading::after {
    animation: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .card-wrapper {
    border-width: 2px;
  }

  .card-actions__button {
    border-width: 2px;
  }
}