/* ============================================
   Blog Styles - Neural Horizon Design
   ============================================ */

/* Blog Container */
.blog-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl, 3rem);
  padding: var(--space-xl, 3rem) 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-md, 1.5rem);
  padding-right: var(--space-md, 1.5rem);
}

/* Main Content */
.main-content {
  min-width: 0;
}

/* Article Header */
.article-header {
  margin-bottom: var(--space-lg, 2rem);
}

.article-title {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary, #f8fafc);
  margin-bottom: var(--space-sm, 1rem);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 1rem);
  color: var(--text-muted, #64748b);
  font-size: 0.9rem;
}

.article-meta time {
  color: var(--accent-cyan, #00d4ff);
}

/* Featured Image */
.featured-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg, 16px);
  margin-bottom: var(--space-lg, 2rem);
  border: 1px solid var(--border-color, #1e293b);
}

/* Article Content */
.article-content {
  color: var(--text-secondary, #94a3b8);
  line-height: 1.8;
}

.article-content h1 {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary, #f8fafc);
  margin-bottom: var(--space-lg, 2rem);
  line-height: 1.3;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary, #f8fafc);
  margin: var(--space-xl, 3rem) 0 var(--space-md, 1.5rem);
  padding-bottom: var(--space-sm, 1rem);
  border-bottom: 1px solid var(--border-color, #1e293b);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
  margin: var(--space-lg, 2rem) 0 var(--space-sm, 1rem);
}

.article-content p {
  margin-bottom: var(--space-md, 1.5rem);
}

.article-content ul,
.article-content ol {
  margin: var(--space-md, 1.5rem) 0;
  padding-left: var(--space-lg, 2rem);
}

.article-content li {
  margin-bottom: var(--space-xs, 0.5rem);
}

.article-content a {
  color: var(--accent-cyan, #00d4ff);
}

.article-content a:hover {
  color: var(--text-primary, #f8fafc);
}

.article-content strong {
  color: var(--text-primary, #f8fafc);
  font-weight: 600;
}

/* TOC Container */
.toc-container {
  background: var(--bg-card, #141b2d);
  border: 1px solid var(--border-color, #1e293b);
  border-radius: var(--radius-lg, 16px);
  padding: var(--space-md, 1.5rem);
  margin: var(--space-lg, 2rem) 0;
}

.toc-container summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
}

.toc-list {
  margin-top: var(--space-sm, 1rem);
  padding-left: var(--space-md, 1.5rem);
}

.toc-list li {
  margin-bottom: var(--space-xs, 0.5rem);
}

.toc-list a {
  color: var(--text-secondary, #94a3b8);
  text-decoration: none;
}

.toc-list a:hover {
  color: var(--accent-cyan, #00d4ff);
}

/* CTA Section */
.cta-section {
  background: var(--bg-card, #141b2d);
  border: 1px solid var(--border-color, #1e293b);
  border-radius: var(--radius-lg, 16px);
  padding: var(--space-lg, 2rem);
  margin: var(--space-xl, 3rem) 0;
}

.cta-section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
  margin-bottom: var(--space-sm, 1rem);
}

.cta-section p {
  color: var(--text-secondary, #94a3b8);
  margin: 0;
}

/* Share Buttons */
.share-buttons {
  display: flex;
  gap: var(--space-sm, 1rem);
  margin-top: var(--space-lg, 2rem);
}

.share-button {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm, 1rem) var(--space-md, 1.5rem);
  border-radius: var(--radius-md, 12px);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s ease;
}

.share-button.twitter {
  background: #1DA1F2;
  color: #fff;
}

.share-button.facebook {
  background: #4267B2;
  color: #fff;
}

.share-button:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 90px;
  height: fit-content;
}

.sidebar-section {
  background: var(--bg-card, #141b2d);
  border: 1px solid var(--border-color, #1e293b);
  border-radius: var(--radius-lg, 16px);
  padding: var(--space-md, 1.5rem);
  margin-bottom: var(--space-md, 1.5rem);
}

.sidebar-section h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm, 1rem);
}

.sidebar-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-section li {
  margin-bottom: var(--space-xs, 0.5rem);
}

.sidebar-section a {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.9rem;
  text-decoration: none;
}

.sidebar-section a:hover {
  color: var(--accent-cyan, #00d4ff);
}

/* Ad Banners */
.ad-banner {
  margin-bottom: var(--space-md, 1.5rem);
}

.amazon-ad .amazon-banner,
.sitenavi-ad {
  background: linear-gradient(135deg, var(--accent-cyan, #00d4ff), var(--accent-purple, #8b5cf6));
  padding: var(--space-sm, 1rem) var(--space-md, 1.5rem);
  border-radius: var(--radius-md, 12px);
  text-align: center;
}

.amazon-ad .amazon-banner a,
.sitenavi-ad a {
  color: var(--bg-primary, #0a0e1a);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}

/* Blog Index */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg, 2rem);
}

.blog-card {
  background: var(--bg-card, #141b2d);
  border: 1px solid var(--border-color, #1e293b);
  border-radius: var(--radius-lg, 16px);
  overflow: hidden;
  transition: all 0.25s ease;
}

.blog-card:hover {
  border-color: var(--accent-cyan, #00d4ff);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 212, 255, 0.2);
}

.blog-card a {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-md, 1.5rem);
  text-decoration: none;
  color: inherit;
}

.blog-card-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.blog-card-content {
  padding: var(--space-md, 1.5rem) var(--space-md, 1.5rem) var(--space-md, 1.5rem) 0;
}

.blog-card-date {
  font-size: 0.85rem;
  color: var(--accent-cyan, #00d4ff);
  margin-bottom: var(--space-xs, 0.5rem);
}

.blog-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
  margin-bottom: var(--space-sm, 1rem);
  line-height: 1.4;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary, #94a3b8);
  line-height: 1.6;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-sm, 1rem);
  margin-top: var(--space-xl, 3rem);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm, 1rem);
  background: var(--bg-card, #141b2d);
  border: 1px solid var(--border-color, #1e293b);
  border-radius: var(--radius-sm, 8px);
  color: var(--text-secondary, #94a3b8);
  text-decoration: none;
  transition: all 0.25s ease;
}

.pagination a:hover {
  background: var(--bg-card-hover, #1a2340);
  border-color: var(--accent-cyan, #00d4ff);
  color: var(--text-primary, #f8fafc);
}

.pagination .current {
  background: var(--accent-gradient, linear-gradient(135deg, #00d4ff, #8b5cf6));
  color: var(--bg-primary, #0a0e1a);
  border-color: transparent;
}

/* Responsive */
@media (max-width: 1024px) {
  .blog-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
    order: -1;
  }
}

@media (max-width: 768px) {
  .article-title {
    font-size: 1.5rem;
  }
  
  .blog-card a {
    grid-template-columns: 1fr;
  }
  
  .blog-card-image {
    height: 200px;
  }
  
  .blog-card-content {
    padding: var(--space-md, 1.5rem);
  }
  
  .share-buttons {
    flex-direction: column;
  }
  
  .share-button {
    justify-content: center;
  }
}