.post {
  padding: var(--space-10) 0;
}

.post .container {
  max-width: var(--content-max);
}

.post-hero-image {
  margin-bottom: var(--space-8);
  width: 100%;
}

.post-hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

.post-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-medium);
}

.post-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  line-height: 1.2;
}

.post-meta {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.post-meta .categories {
  margin-left: var(--space-4);
}

.post-content {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text-primary);
}

.post-content h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  line-height: 1.3;
}

.post-content h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  line-height: 1.3;
}

.post-content p {
  margin-bottom: var(--space-5);
}

.post-content code {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  font-family: var(--font-mono);
}

.post-content pre {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-medium);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-5);
}

.post-content pre code {
  background: none;
  padding: 0;
  border: none;
}

.post-content ul,
.post-content ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-6);
}

.post-content li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.post-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-5);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.post-content a,
.post-meta a {
  color: var(--color-accent);
  text-decoration: underline;
  transition: color var(--transition-base);
}

.post-content a:hover,
.post-meta a:hover {
  color: var(--color-accent-hover);
}

.post-footer {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-medium);
}

.post-navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: center;
}

.nav-previous {
  justify-self: start;
}

.nav-center {
  justify-self: center;
}

.nav-next {
  justify-self: end;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-medium);
  max-width: 280px;
}

.nav-link:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-link i {
  font-size: var(--text-xl);
  color: var(--color-accent);
  flex-shrink: 0;
}

.nav-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.nav-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.nav-title {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.4;
}

.back-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  transition: color var(--transition-base);
  white-space: nowrap;
}

.back-link:hover {
  color: var(--color-accent);
}

.social-share {
  margin: var(--space-10) 0;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border-medium);
  text-align: center;
}

.share-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
}

.share-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.share-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  text-decoration: none;
  border: 1px solid var(--color-border-medium);
}

.share-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.share-button i,
.share-button svg {
  font-size: 20px;
  line-height: 1;
  width: 20px;
  height: 20px;
}

.share-x:hover {
  background: #000;
  color: #fff;
  border-color: #000;
}

[data-theme="dark"] .share-x:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.share-facebook:hover {
  background: #1877f2;
  color: #fff;
  border-color: #1877f2;
}

.share-linkedin:hover {
  background: #0a66c2;
  color: #fff;
  border-color: #0a66c2;
}

.share-bluesky:hover {
  background: #0085ff;
  color: #fff;
  border-color: #0085ff;
}

@media (max-width: 768px) {
  .post-title {
    font-size: var(--text-3xl);
  }

  .post-content {
    font-size: var(--text-base);
  }

  .post-content h2 {
    font-size: var(--text-2xl);
  }

  .post-content h3 {
    font-size: var(--text-xl);
  }

  .post-navigation {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .nav-previous,
  .nav-center,
  .nav-next {
    justify-self: stretch;
  }

  .nav-link {
    max-width: none;
  }

  .nav-center {
    order: 3;
    text-align: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
  }

  .share-title {
    font-size: var(--text-lg);
  }

  .share-button {
    width: 44px;
    height: 44px;
  }

  .share-button i,
  .share-button svg {
    font-size: 18px;
    width: 18px;
    height: 18px;
  }
}