.article-detail {
  padding-top: 72px;
}

.article-header {
  padding: 40px 0 32px;
  background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
}

.article-category {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  color: var(--text-primary);
  max-width: 900px;
}

.article-meta-header {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-secondary);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-featured-image {
  padding: 0 0 48px;
  background-color: var(--bg-primary);
}

.article-featured-image img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.article-body {
  padding: 0 0 80px;
  background-color: var(--bg-primary);
}

.article-content-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}

.article-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.table-of-contents ul {
  list-style: none;
}

.table-of-contents li {
  margin-bottom: 12px;
}

.table-of-contents a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  display: block;
  padding: 4px 0;
}

.table-of-contents a:hover {
  color: var(--primary-color);
  padding-left: 8px;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.share-btn.facebook {
  background-color: #1877f2;
}

.share-btn.twitter {
  background-color: #1da1f2;
}

.share-btn.whatsapp {
  background-color: #25d366;
}

.share-btn.linkedin {
  background-color: #0077b5;
}

.share-btn.copy {
  background-color: var(--text-secondary);
}

.share-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.article-main-content {
  max-width: 800px;
}

.article-text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin: 48px 0 24px;
  color: var(--text-primary);
  scroll-margin-top: 100px;
}

.article-text h3 {
  font-size: 24px;
  font-weight: 600;
  margin: 36px 0 20px;
  color: var(--text-primary);
  scroll-margin-top: 100px;
}

.article-text h4 {
  font-size: 20px;
  font-weight: 600;
  margin: 28px 0 16px;
  color: var(--text-primary);
}

.article-text p {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.article-text ul,
.article-text ol {
  margin: 20px 0;
  padding-left: 32px;
}

.article-text li {
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.article-text blockquote {
  border-left: 4px solid var(--primary-color);
  padding: 20px 24px;
  margin: 32px 0;
  background-color: var(--bg-secondary);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-text img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 32px 0;
}

.article-text a {
  color: var(--primary-color);
  text-decoration: underline;
  transition: var(--transition);
}

.article-text a:hover {
  color: var(--primary-dark);
}

.article-text code {
  background-color: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 15px;
  color: var(--primary-color);
}

.article-text pre {
  background-color: var(--bg-dark);
  color: #e0e0e0;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 24px 0;
}

.article-text pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-tags {
  margin: 48px 0 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.article-tags h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.tag:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.article-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.action-btn:hover {
  border-color: var(--primary-color);
  background-color: white;
  transform: translateY(-2px);
}

.action-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.action-btn .icon {
  font-size: 18px;
}

.related-articles {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.related-articles h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: 48px;
  text-align: center;
  color: var(--text-primary);
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.related-article-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.related-article-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.related-article-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.related-article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.related-article-card:hover .related-article-image img {
  transform: scale(1.08);
}

.related-article-content {
  padding: 20px;
}

.related-article-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-article-meta {
  font-size: 13px;
  color: var(--text-light);
}

@media (max-width: 1024px) {
  .article-content-wrapper {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .sidebar-widget {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .article-header {
    padding: 32px 0 24px;
  }

  .article-header h1 {
    font-size: 28px;
  }

  .article-meta-header {
    gap: 16px;
    font-size: 13px;
  }

  .article-featured-image img {
    max-height: 300px;
    border-radius: 12px;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

  .article-text {
    font-size: 16px;
  }

  .article-text h2 {
    font-size: 26px;
    margin: 32px 0 20px;
  }

  .article-text h3 {
    font-size: 22px;
    margin: 28px 0 16px;
  }

  .related-articles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .article-featured-image img {
    max-height: 220px;
  }

  .share-buttons {
    justify-content: space-between;
  }

  .share-btn {
    flex: 1;
    max-width: 50px;
  }

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

  .action-btn {
    width: 100%;
    justify-content: center;
  }
}