/* ============================================
   Hello Maps — Blog Stylesheet
   Used by: /blog/, /blog/[slug]/
   Dependencies: global.css
   ============================================ */

/* ---------- Blog Index Page ---------- */

.blog-hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
}

.blog-hero h1 {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.blog-hero-subtitle {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 520px;
  margin: 0 auto;
}

@media (max-width: 639px) {
  .blog-hero {
    padding: var(--space-2xl) 0 var(--space-xl);
  }
  .blog-hero h1 {
    font-size: 1.75rem;
  }
}

/* Blog post card grid */
.blog-grid {
  padding-bottom: var(--space-3xl);
}

.blog-post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  list-style: none;
}

.blog-card {
  display: block;
  padding: var(--space-xl);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  color: inherit;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.meta-separator {
  font-size: 0.625rem;
  opacity: 0.5;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.blog-card:hover .blog-card-title {
  color: var(--color-primary);
}

.blog-card-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.blog-card-cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* ---------- Blog Post Layout ---------- */

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-3xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  align-items: start;
}

@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  opacity: 0.4;
}

/* ---------- Post Header ---------- */
.post-header {
  margin-bottom: var(--space-2xl);
}

.post-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

@media (max-width: 639px) {
  .post-title {
    font-size: 1.625rem;
  }
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ---------- Post Content Typography ---------- */
.post-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}

.post-content h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}

.post-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

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

.post-content ul,
.post-content ol {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.post-content ol {
  list-style: decimal;
}

.post-content li {
  margin-bottom: var(--space-xs);
}

.post-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-content a:hover {
  color: var(--color-primary-hover);
}

.post-content code {
  font-size: 0.875em;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.35em;
}

.post-content pre {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  line-height: 1.6;
}

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

/* Placeholder / coming soon state */
.post-placeholder {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-surface-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
}

.post-placeholder-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.post-placeholder h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.post-placeholder p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ---------- Blog Sidebar ---------- */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: sticky;
  top: calc(64px + var(--space-lg)); /* header height + gap */
}

/* Related Tool Card */
.related-tool-card {
  padding: var(--space-lg);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.related-tool-card .card-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.related-tool-card .tool-link {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  margin-bottom: var(--space-sm);
  transition: color 0.15s ease;
}

.related-tool-card .tool-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.related-tool-card .tool-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Donation CTA in sidebar */
.donation-cta {
  padding: var(--space-lg);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.donation-cta-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

/* Mobile: sidebar at bottom */
@media (max-width: 900px) {
  .blog-sidebar {
    position: static;
  }
}