/* Card Component Styles */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-dark-sm);
  overflow: hidden;
  transition: var(--transition-all);
}

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

/* Card Header */
.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.card-header-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card-header-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--space-1) 0 0 0;
}

/* Card Content */
.card-content {
  padding: var(--card-padding);
}

.card-content.is-small {
  padding: var(--card-padding-sm);
}

.card-content.is-large {
  padding: var(--card-padding-lg);
}

/* Card Footer */
.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-footer-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.card-footer-item:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

/* Card Variants */
.card.is-primary {
  border-color: var(--color-primary);
}

.card.is-primary .card-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  border-bottom-color: transparent;
}

.card.is-primary .card-header-title,
.card.is-primary .card-header-subtitle {
  color: white;
}

.card.is-success {
  border-color: var(--color-success);
}

.card.is-warning {
  border-color: var(--color-warning);
}

.card.is-danger {
  border-color: var(--color-error);
}

.card.is-info {
  border-color: var(--color-info);
}

/* Card with Image */
.card-image {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-image.is-square {
  height: 0;
  padding-bottom: 100%;
  position: relative;
}

.card-image.is-square img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Clickable Cards */
.card.is-clickable {
  cursor: pointer;
  user-select: none;
}

.card.is-clickable:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-dark-lg);
}

.card.is-clickable:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-dark-md);
}

/* Card Loading State */
.card.is-loading {
  position: relative;
  overflow: hidden;
}

.card.is-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: card-shimmer 2s infinite;
}

@keyframes card-shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Card Skeleton */
.card-skeleton {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.skeleton-header {
  height: 60px;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.skeleton-avatar {
  width: 32px;
  height: 32px;
  background: var(--color-border);
  border-radius: 50%;
  animation: skeleton-pulse 2s infinite;
}

.skeleton-text {
  flex: 1;
}

.skeleton-line {
  height: 12px;
  background: var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  animation: skeleton-pulse 2s infinite;
}

.skeleton-line.is-short {
  width: 60%;
}

.skeleton-line.is-medium {
  width: 80%;
}

.skeleton-content {
  padding: var(--space-6);
}

@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* Card Grid */
.cards-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.cards-grid.is-small {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-4);
}

.cards-grid.is-large {
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: var(--space-8);
}

/* Feature Cards */
.feature-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: var(--transition-transform);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-dark-lg);
  border-color: var(--color-border-light);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card .feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition-transform);
}

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

.feature-card .feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.feature-card .feature-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Pricing Cards */
.pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: var(--transition-all);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-dark-xl);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-dark-lg);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

/* Stats Cards */
.stats-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: var(--transition-all);
}

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

.stats-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stats-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .card-content {
    padding: var(--space-4);
  }
  
  .feature-card {
    padding: var(--space-6);
  }
  
  .pricing-card {
    padding: var(--space-6);
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 480px) {
  .card-header,
  .card-content,
  .card-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  
  .feature-card .feature-icon {
    width: 48px;
    height: 48px;
  }
  
  .feature-card .feature-title {
    font-size: var(--font-size-lg);
  }
  
  .stats-number {
    font-size: var(--font-size-2xl);
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .card {
    border-width: 2px;
  }
  
  .feature-card,
  .pricing-card {
    border-width: 2px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .card,
  .feature-card,
  .pricing-card,
  .stats-card {
    transition: none;
  }
  
  .card:hover,
  .feature-card:hover,
  .pricing-card:hover,
  .stats-card:hover {
    transform: none;
  }
  
  .feature-card:hover .feature-icon {
    transform: none;
  }
  
  .card.is-loading::after {
    animation: none;
  }
}