/* ========================================
   Article Card Layout
   ======================================== */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  margin-top: 0;
}

.article-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

[data-theme="dark"] .article-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.article-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Cover Image */
.article-card-cover {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--color-accent-soft);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-card-cover::before {
  content: "📷";
  font-size: 3rem;
  opacity: 0.3;
  position: absolute;
  z-index: 1;
}

.article-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  position: relative;
  z-index: 2;
}

.article-card-cover img.loaded {
  opacity: 1;
}

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

/* Content Area */
.article-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* Meta Information */
.article-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.article-card-category {
  padding: 4px 12px;
  background: var(--accent-color);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.article-card-reading-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-card-reading-time::before {
  content: "📖";
}

/* Title */
.article-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-family: var(--font-heading);
}

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

/* Excerpt */
.article-card-excerpt {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Footer */
.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.article-card-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-card-date::before {
  content: none;
}

.article-card-author {
  display: flex;
  align-items: center;
  gap: 4px;
}

  .article-card-author::before {
  content: none;
}

[data-theme="dark"] .article-card {
  background: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: var(--shadow-subtle);
}

[data-theme="dark"] .article-card:hover {
  box-shadow: var(--shadow-soft);
}

[data-theme="dark"] .article-card-cover {
  background: var(--color-accent-soft);
}

[data-theme="dark"] .article-card-title {
  color: var(--color-text);
}

[data-theme="dark"] .article-card:hover .article-card-title {
  color: var(--accent-color);
}

[data-theme="dark"] .article-card-excerpt {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .article-card-footer {
  border-top-color: var(--color-border);
  color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .article-card-cover {
    height: 180px;
  }
  
  .article-card-content {
    padding: var(--spacing-md);
  }
  
  .article-card-title {
    font-size: 1.125rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1400px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}