/* Global Route: Blog Post Article Stylesheet */
/* Typography-focused, readable long-form content styling */

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #ea580c);
  width: 0%;
  z-index: 9999;
  transition: width 100ms ease-out;
}

/* Article Hero Section */
.article-hero {
  background: linear-gradient(135deg, #dbeafe 0%, #fed7aa 100%);
  padding: 3rem 1rem;
  border-bottom: 1px solid #e5e7eb;
}

.article-hero-container {
  max-width: 900px;
}

.article-hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: #4b5563;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.article-category {
  display: inline-block;
  background-color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-weight: 600;
  color: #1e40af;
  text-transform: uppercase;
}

.article-date,
.article-read-time {
  color: #6b7280;
}

.article-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  color: #111827;
  margin-bottom: 1rem;
}

.article-excerpt {
  font-size: 1.125rem;
  color: #4b5563;
  line-height: 1.625;
  margin-bottom: 2rem;
}

.article-hero-author {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.author-name {
  font-weight: 600;
  color: #111827;
  margin: 0;
}

.author-bio {
  font-size: 0.875rem;
  color: #6b7280;
  margin: 0;
}

/* Featured Image */
.article-featured-image {
  width: 100%;
  max-height: 400px;
  overflow: hidden;
  background-color: #f3f4f6;
}

.article-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Article Main Container */
.article-main {
  background-color: white;
  padding: 3rem 1rem;
}

.article-container {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Article Sidebar */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Table of Contents */
.table-of-contents-container {
  background-color: #f9fafb;
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  height: fit-content;
  position: sticky;
  top: 80px;
}

.toc-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: #111827;
  padding: 0;
  margin-bottom: 1rem;
  width: 100%;
}

.toc-toggle-icon {
  transition: transform 250ms ease-in-out;
  display: inline-block;
}

.toc-toggle.collapsed .toc-toggle-icon {
  transform: rotate(-90deg);
}

.table-of-contents {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.table-of-contents a {
  color: #2563eb;
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.5rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: all 150ms ease-in-out;
}

.table-of-contents a:hover {
  color: #1e40af;
  border-left-color: #2563eb;
  padding-left: 1rem;
}

.table-of-contents a.active {
  color: #1e40af;
  font-weight: 600;
  border-left-color: #2563eb;
}

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

.table-of-contents ul {
  margin-left: 0.75rem;
  padding-left: 0;
  border-left: 2px solid #e5e7eb;
  margin-top: 0.5rem;
}

/* Social Share */
.article-social-share {
  background-color: #f9fafb;
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
}

.article-social-share h4 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  color: #111827;
}

.share-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 600;
  transition: all 150ms ease-in-out;
  text-decoration: none;
}

.share-btn.twitter {
  background-color: #1DA1F2;
  color: white;
}

.share-btn.twitter:hover {
  background-color: #1a91da;
  transform: translateY(-2px);
}

.share-btn.linkedin {
  background-color: #0A66C2;
  color: white;
}

.share-btn.linkedin:hover {
  background-color: #0952a0;
  transform: translateY(-2px);
}

.share-btn.facebook {
  background-color: #1877F2;
  color: white;
}

.share-btn.facebook:hover {
  background-color: #0a66c2;
  transform: translateY(-2px);
}

.share-btn.copy-link {
  background-color: #6b7280;
  color: white;
}

.share-btn.copy-link:hover {
  background-color: #4b5563;
  transform: translateY(-2px);
}

.share-btn.copy-link.copied {
  background-color: #22c55e;
}

/* Newsletter CTA */
.article-newsletter-cta {
  background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  color: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.article-newsletter-cta h4 {
  color: white;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.article-newsletter-cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.article-newsletter-cta .newsletter-form {
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.article-newsletter-cta .newsletter-form input {
  min-width: auto;
  background-color: white;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 0.5rem;
}

.article-newsletter-cta .newsletter-form button {
  background-color: #ea580c;
  color: white;
  border: none;
  width: 100%;
}

.article-newsletter-cta .newsletter-form button:hover {
  background-color: #c2410c;
}

/* Article Content */
.article-content {
  line-height: 1.75;
  color: #374151;
  font-size: 1rem;
}

.article-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e5e7eb;
}

.article-content h2:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

.article-content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: #1f2937;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.5rem;
  margin-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  line-height: 1.75;
}

.article-content a {
  color: #2563eb;
  text-decoration: underline;
  transition: color 150ms ease-in-out;
}

.article-content a:hover {
  color: #1e40af;
}

.article-content blockquote {
  border-left: 4px solid #2563eb;
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: #6b7280;
  background-color: #f9fafb;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
}

.article-content code {
  background-color: #f3f4f6;
  color: #ea580c;
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-family: 'Courier New', monospace;
  font-size: 0.95rem;
}

.article-content pre {
  background-color: #1f2937;
  color: #e5e7eb;
  padding: 1rem;
  border-radius: 0.75rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-content pre code {
  background-color: transparent;
  color: #e5e7eb;
  padding: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.article-content th,
.article-content td {
  border: 1px solid #e5e7eb;
  padding: 0.75rem;
  text-align: left;
}

.article-content th {
  background-color: #f3f4f6;
  font-weight: 600;
  color: #111827;
}

.article-content tr:nth-child(even) {
  background-color: #f9fafb;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
  margin: 1.5rem 0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Update Badge */
.update-badge {
  background-color: #fef3c7;
  border-left: 4px solid #f97316;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: #92400e;
}

.update-badge strong {
  color: #b45309;
}

/* Article Footer */
.article-footer {
  background-color: #f9fafb;
  padding: 3rem 1rem;
  border-top: 1px solid #e5e7eb;
}

.article-tags {
  margin-bottom: 2rem;
}

.article-tags h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: #111827;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.article-tags a {
  display: inline-block;
  background-color: white;
  color: #2563eb;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid #e5e7eb;
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 150ms ease-in-out;
}

.article-tags a:hover {
  background-color: #dbeafe;
  border-color: #2563eb;
}

/* Author Bio */
.article-author-full {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem;
  background-color: white;
  border-radius: 0.75rem;
}

.author-avatar-large {
  width: 150px;
  height: 150px;
  border-radius: 0.75rem;
  object-fit: cover;
}

.author-full-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.author-full-info p {
  color: #4b5563;
  margin-bottom: 1rem;
}

.author-social {
  display: flex;
  gap: 1rem;
}

.author-social a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
  transition: color 150ms ease-in-out;
}

.author-social a:hover {
  color: #1e40af;
  text-decoration: underline;
}

/* Related Articles */
.related-articles {
  background-color: white;
  padding: 3rem 1rem;
}

.related-articles h2 {
  margin-bottom: 2rem;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.related-article-card {
  background-color: #f9fafb;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 250ms ease-in-out;
}

.related-article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.related-article-image {
  width: 100%;
  height: 150px;
  background: linear-gradient(135deg, #dbeafe 0%, #fed7aa 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.related-article-body {
  padding: 1rem;
}

.related-article-body h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.375;
}

.related-article-body p {
  font-size: 0.875rem;
  color: #6b7280;
  margin-bottom: 1rem;
}

.related-article-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
}

.related-article-link:hover {
  text-decoration: underline;
}

/* Comments Section */
.comments-section {
  background-color: #f9fafb;
  padding: 3rem 1rem;
  border-top: 1px solid #e5e7eb;
}

.comments-section h2 {
  margin-bottom: 2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .article-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .table-of-contents-container {
    position: static;
  }

  .article-title {
    font-size: 1.875rem;
  }
}

@media (max-width: 768px) {
  .article-hero {
    padding: 2rem 1rem;
  }

  .article-hero h1 {
    font-size: 1.5rem;
  }

  .article-hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .article-main {
    padding: 1.5rem 1rem;
  }

  .article-content {
    font-size: 0.95rem;
  }

  .article-footer {
    padding: 1.5rem 1rem;
  }

  .article-author-full {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .author-avatar-large {
    width: 100px;
    height: 100px;
  }
}

@media (max-width: 640px) {
  .article-hero-author {
    flex-direction: column;
    align-items: flex-start;
  }

  .share-buttons {
    justify-content: flex-start;
  }

  .article-featured-image {
    max-height: 250px;
  }
}

/* Print Styles */
@media print {
  .article-sidebar,
  .related-articles,
  .comments-section,
  .ad-unit,
  .reading-progress-bar {
    display: none;
  }

  .article-content {
    color: black;
  }

  .article-content a {
    text-decoration: none;
    color: black;
  }

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