/* Article Detail Page Styles */

.article-detail-page {
  background: var(--background-color);
  min-height: 100vh;
}

/* Article Header */
.article-header {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.article-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.article-header-content {
  position: relative;
  z-index: 1;
}

.article-category {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.article-header h1 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.article-subtitle {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  opacity: 0.95;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.95rem;
}

/* Article Content Layout */
.article-content-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
  align-items: start;
}

/* Table of Contents */
.toc-wrapper {
  position: sticky;
  top: 100px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.toc-toggle {
  display: none;
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border-color);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-color);
  transition: all var(--transition-normal);
}

.toc-toggle:hover {
  background: var(--secondary-color);
  border-color: var(--primary-color);
}

.toc-title {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.toc-list {
  list-style: none;
}

.toc-list li {
  margin-bottom: var(--spacing-sm);
}

.toc-list a {
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.toc-list a:hover {
  color: var(--primary-color);
  background: rgba(58, 129, 246, 0.1);
  padding-right: 16px;
}

/* Article Body */
.article-body {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.article-section {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
}

.article-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.article-section h2 {
  color: var(--primary-color);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
  font-weight: 800;
}

.article-section p {
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.article-section ul {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.article-section ul li {
  color: var(--text-dark);
  padding: 8px 0 8px 30px;
  position: relative;
  line-height: 1.8;
}

.article-section ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--orange-light);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Share Section */
.article-share {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--border-color);
}

.article-share h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.share-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--secondary-color);
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: 1.2rem;
}

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

.share-btn.facebook:hover {
  background: #1877f2;
  color: var(--white);
}

.share-btn.twitter:hover {
  background: #1da1f2;
  color: var(--white);
}

.share-btn.whatsapp:hover {
  background: #25d366;
  color: var(--white);
}

.share-btn.linkedin:hover {
  background: #0a66c2;
  color: var(--white);
}

/* Related Articles */
.related-articles {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--border-color);
}

.related-articles h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.related-card {
  background: var(--secondary-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.related-image {
  width: 100%;
  height: 150px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.related-card h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.related-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .article-content-wrapper {
    grid-template-columns: 1fr;
  }

  .toc-toggle {
    display: block;
  }

  .toc-wrapper {
    position: static;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .toc-wrapper.active {
    max-height: 500px;
  }

  .article-header h1 {
    font-size: 1.8rem;
  }

  .article-section h2 {
    font-size: 1.4rem;
  }

  .article-meta {
    gap: var(--spacing-md);
  }

  .article-body {
    padding: var(--spacing-lg);
  }
}