/* ============================================
   Component: Blog Index (with sidebar)
   ============================================ */

.blog-index {
  padding: var(--space-12) 0;
}

.blog-index__layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-12);
  align-items: start;
}

.blog-index__main { min-width: 0; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.blog-grid__loading,
.blog-grid__empty,
.blog-grid__error {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-10);
  color: var(--color-text-muted);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.blog-grid__error { color: var(--color-accent); }

.post-card--featured {
  grid-column: span 2;
  border: 2px solid var(--color-secondary);
  background: linear-gradient(180deg, var(--color-secondary-subtle), white);
}

.post-card--featured .post-card__title {
  font-size: var(--fs-2xl);
}

.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-10);
  gap: var(--space-3);
}

.blog-pagination__indicator {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* Sidebar */
.blog-index__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.sidebar-card {
  padding: var(--space-6);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.sidebar-card h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-list a {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease;
}

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

.sidebar-list__loading {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

.sidebar-card--cta {
  background: var(--color-bg-subtle);
  border-color: var(--color-border);
}

.sidebar-card--cta p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.blog-search {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.blog-search input {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-family: inherit;
}

.blog-search input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px var(--color-secondary-subtle);
}

@media (max-width: 900px) {
  .blog-index__layout { grid-template-columns: 1fr; }
  .blog-index__sidebar { position: static; }
  .blog-grid { grid-template-columns: 1fr; }
  .post-card--featured { grid-column: span 1; }
}