/* ===================================================================
   Card Components
   Reusable card components for courses, tools, posts, etc.
   =================================================================== */

/* ===== BASE CARD ===== */
.card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

/* ===== CARD SECTIONS ===== */
.card-image {
  position: relative;
  overflow: hidden;
  height: 200px;
  background: var(--bg-light);
}

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

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

.card-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-header {
  padding: var(--space-lg) var(--space-lg) 0;
}

.card-body {
  padding: var(--space-lg);
  flex: 1;
}

.card-footer {
  padding: 0 var(--space-lg) var(--space-lg);
  margin-top: auto;
}

/* ===== CARD ELEMENTS ===== */
.card-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: rgba(255, 122, 89, 0.9);
  backdrop-filter: blur(10px);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-sm);
}

.card-badge.badge-free {
  background: rgba(40, 167, 69, 0.9);
}

.card-badge.badge-premium {
  background: rgba(255, 193, 7, 0.9);
  color: var(--text-color);
}

.card-badge.badge-new {
  background: rgba(23, 162, 184, 0.9);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-color);
  margin-bottom: var(--space-sm);
  line-height: var(--line-height-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

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

.card-description {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-md);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.card-price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
}

.card-button {
  align-self: flex-start;
  margin-top: auto;
}

/* ===== CARD VARIANTS ===== */

/* Course Card */
.course-card {
  border: 1px solid var(--border-light);
}

.course-card .card-image {
  height: 200px;
}

.course-card .lesson-count {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.course-card .lesson-count i {
  color: var(--primary-color);
}

.course-card .instructor {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Tool Card */
.tool-card {
  border: 1px solid var(--border-color);
}

.tool-card .card-image {
  height: 120px;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-card .tool-logo {
  max-width: 80px;
  max-height: 80px;
  object-fit: contain;
}

.tool-card .tool-rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.tool-card .stars {
  color: #ffc107;
}

.tool-card .rating-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Post Card */
.post-card .card-image {
  height: 200px;
}

.post-card .author-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.post-card .author-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.post-card .author-name {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.post-card .post-date {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.post-card .read-more {
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: all var(--transition-fast);
}

.post-card .read-more:hover {
  color: var(--secondary-color);
  gap: var(--space-sm);
  text-decoration: none;
}

.post-card .read-more i {
  transition: transform var(--transition-fast);
}

.post-card .read-more:hover i {
  transform: translateX(2px);
}

/* Team Card */
.team-card {
  text-align: center;
  border: none;
  box-shadow: var(--shadow-md);
}

.team-card .card-image {
  height: 280px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.team-card .member-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-color);
  margin-bottom: var(--space-xs);
}

.team-card .member-position {
  font-size: var(--font-size-base);
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.team-card .member-bio {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--text-secondary);
}

.team-card .social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.team-card .social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.team-card .social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Resource Card */
.resource-card .download-count {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.resource-card .file-size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  background: var(--bg-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

/* ===== CARD LAYOUTS ===== */

/* Simple Card (minimal styling) */
.card-simple {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: white;
  transition: all var(--transition-fast);
}

.card-simple:hover {
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

/* Compact Card */
.card-compact .card-content {
  padding: var(--space-md);
}

.card-compact .card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.card-compact .card-description {
  font-size: var(--font-size-sm);
  -webkit-line-clamp: 2;
}

/* Horizontal Card */
.card-horizontal {
  flex-direction: row;
  align-items: stretch;
}

.card-horizontal .card-image {
  height: auto;
  width: 200px;
  flex-shrink: 0;
}

.card-horizontal .card-content {
  flex: 1;
}

/* ===== CARD GRIDS ===== */
.cards-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

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

.cards-grid-lg {
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

/* ===== PLACEHOLDER CARDS ===== */
.card-placeholder {
  background: var(--bg-light);
  border: 2px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-secondary);
  text-align: center;
  padding: var(--space-xl);
}

.card-placeholder i {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* ===== RESPONSIVE CARD STYLES ===== */
@media (max-width: 768px) {
  .card-content {
    padding: var(--space-md);
  }
  
  .card-title {
    font-size: var(--font-size-lg);
  }
  
  .card-description {
    font-size: var(--font-size-sm);
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .card-horizontal {
    flex-direction: column;
  }
  
  .card-horizontal .card-image {
    width: 100%;
    height: 200px;
  }
  
  .team-card .card-image {
    height: 200px;
  }
}