/* ============================================
   CARD COMPONENTS - Best Buy-Inspired Design
   Clean, retail-focused product cards
   ============================================ */

/* Base Card */
.card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
  border: var(--border-light);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--neutral-300);
}

.card-header {
  padding: var(--space-lg);
  border-bottom: var(--border-light);
  background: var(--neutral-50);
}

.card-body {
  padding: var(--space-lg);
}

.card-footer {
  padding: var(--space-lg);
  background-color: var(--neutral-50);
  border-top: var(--border-light);
}

/* ============================================
   PRODUCT CARD - Best Buy Style
   Clean white card with prominent price and rating
   ============================================ */

.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: var(--border-light);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.product-card-image {
  position: relative;
  width: 100%;
  padding-top: 100%;
  background: var(--neutral-100);
  overflow: hidden;
}

.product-card-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card-badges {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  z-index: 1;
}

/* Deal Badge - Best Buy Yellow */
.product-card-badge {
  display: inline-block;
  background: var(--secondary);
  color: var(--neutral-900);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card-actions {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  z-index: 1;
}

.product-card:hover .product-card-actions {
  opacity: 1;
  transform: translateX(0);
}

.product-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Product Name */
.product-card-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--neutral-900);
  margin-bottom: var(--space-xs);
  line-height: var(--line-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Category Label */
.product-card-category {
  font-size: var(--text-xs);
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

/* Rating Stars */
.product-card-rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.product-card-rating-stars {
  font-size: var(--text-sm);
  color: var(--secondary);
  letter-spacing: 2px;
}

.product-card-rating-count {
  font-size: var(--text-xs);
  color: var(--neutral-600);
}

/* Price - Best Buy style */
.product-card-price {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--price-color);
  margin-top: auto;
  letter-spacing: -0.01em;
}

.product-card-price-original {
  font-size: var(--text-sm);
  color: var(--neutral-600);
  text-decoration: line-through;
  margin-left: var(--space-xs);
  font-weight: var(--font-normal);
}

.product-card-savings {
  font-size: var(--text-xs);
  color: var(--price-deal);
  font-weight: var(--font-semibold);
  margin-top: var(--space-xs);
}

/* Seller Info */
.product-card-seller {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--neutral-100);
}

.product-card-seller-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--neutral-200);
  overflow: hidden;
}

.product-card-seller-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-seller-name {
  font-size: var(--text-xs);
  color: var(--neutral-600);
  font-weight: 500;
}

.product-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  color: var(--neutral-600);
}

.product-card-featured {
  border-color: var(--primary);
  border-width: 2px;
}

.product-card-deal {
  border-color: var(--secondary);
  border-width: 2px;
}

.product-card-sold {
  opacity: 0.6;
  pointer-events: none;
}

.product-card-sold::after {
  content: 'SOLD';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-15deg);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--danger);
  border: 3px solid var(--danger);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-primary);
  z-index: 10;
}

/* ============================================
   CATEGORY CARD - Best Buy Style
   ============================================ */

.category-card {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.category-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 70, 190, 0.1);
}

/* ============================================
   FEATURE CARD
   ============================================ */

.feature-card {
  background: var(--bg-primary);
  padding: var(--space-2xl);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 70, 190, 0.1);
}

/* ============================================
   UNIVERSITY CARD
   ============================================ */

.university-card {
  background: var(--bg-primary);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.university-card:hover {
  border-color: var(--primary);
  background: var(--neutral-50);
}

.university-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* ============================================
   STATS CARD
   ============================================ */

.stats-card {
  background: var(--bg-primary);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.stats-card-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
}

.stats-card-label {
  font-size: var(--text-sm);
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

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

@media (max-width: 768px) {
  .product-card-actions {
    opacity: 1;
    transform: translateX(0);
  }
}