/* =============================================
   PharmaRegAI — Blog Pages Styles
   ============================================= */

/* Blog Card Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-md);
}

.blog-card {
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-lg);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: var(--fs-xs);
}

.blog-card-category {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  background: rgba(26, 86, 219, 0.08);
  color: var(--blue-start);
  border: 1px solid rgba(26, 86, 219, 0.12);
}

.blog-card-date {
  color: var(--text-light-muted);
}

.blog-card-title {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.blog-card-title a {
  color: var(--text-light-primary);
  transition: color var(--transition-fast);
}

.blog-card-title a:hover {
  color: var(--blue-start);
}

.blog-card-excerpt {
  font-size: var(--fs-small);
  color: var(--text-light-muted);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-author {
  font-size: var(--fs-xs);
  color: var(--text-light-muted);
  font-weight: 500;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--blue-start);
  transition: gap var(--transition-fast);
}

.blog-read-more:hover {
  gap: 10px;
}

/* Blog Loading State */
.blog-loading {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--text-light-muted);
}

/* =============================================
   Blog Detail Page
   ============================================= */
.blog-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  align-items: start;
}

.blog-detail-hero {
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: var(--space-xl);
}

.blog-detail-hero .blog-card-meta {
  margin-bottom: var(--space-md);
}

.blog-detail-hero h1 {
  max-width: 800px;
}

/* Article Body */
.blog-article {
  max-width: none;
}

.blog-article h2,
.blog-article h3,
.blog-article h4 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.blog-article p {
  margin-bottom: var(--space-md);
  max-width: none;
}

.blog-article ul,
.blog-article ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
  list-style: disc;
}

.blog-article ul li,
.blog-article ol li {
  margin-bottom: var(--space-xs);
  font-size: var(--fs-body);
  line-height: 1.7;
}

.blog-article ol { list-style: decimal; }

.blog-article table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
  font-size: var(--fs-small);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.blog-article table th,
.blog-article table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(10,47,255,0.08);
}

.blog-article table th {
  background: rgba(26, 86, 219, 0.06);
  font-weight: 700;
  color: var(--text-light-primary);
}

.blog-article hr {
  border: none;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0.2;
  margin: var(--space-xl) 0;
}

.blog-article a {
  color: var(--blue-start);
  text-decoration: underline;
  text-decoration-color: rgba(26, 86, 219, 0.3);
  transition: text-decoration-color var(--transition-fast);
}

.blog-article a:hover {
  text-decoration-color: var(--blue-start);
}

.blog-article strong {
  color: var(--text-light-primary);
}

/* Sidebar */
.blog-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
}

.sidebar-card {
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.sidebar-card h3 {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-md);
}

.sidebar-related {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.sidebar-related-item {
  display: block;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.sidebar-related-item:hover {
  background: rgba(26, 86, 219, 0.04);
}

.sidebar-related-item h4 {
  font-size: var(--fs-small);
  margin-bottom: 4px;
  color: var(--text-light-primary);
}

.sidebar-related-item span {
  font-size: var(--fs-xs);
  color: var(--text-light-muted);
}

.sidebar-cta {
  background: var(--gradient-primary) !important;
  border: none !important;
  color: #fff;
}

.sidebar-cta h3 { color: #fff; }
.sidebar-cta p { color: rgba(255,255,255,0.85); font-size: var(--fs-small); margin-bottom: var(--space-md); }

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