/* portal/css/blog.css — VLSC Blog design system (dark octen theme) */

/* Article page layout */
.blog-article { max-width: 820px; margin: 0 auto; padding: calc(var(--gn-h) + var(--nav-h) + 48px) 2rem 96px; }
.blog-breadcrumb { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 28px; }
.blog-breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--accent); }
.blog-header { margin-bottom: 40px; }
.blog-cat-badge { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); background: var(--accent-glow);
  border: 1px solid var(--border-hover); padding: 4px 12px; border-radius: 999px; margin-bottom: 16px; }
.blog-header h1 { font-size: 2.4rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 14px; }
.blog-subtitle { color: var(--text-secondary); font-size: 1.12rem; line-height: 1.6; max-width: 70ch; }
.blog-meta { color: var(--text-muted); font-size: 0.88rem; margin: 16px 0 0; }
.blog-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 18px 0 0; }
.blog-tags li a { font-size: 0.78rem; color: var(--text-secondary); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 999px; text-decoration: none; transition: all 0.2s; }
.blog-tags li a:hover { color: var(--accent); border-color: var(--border-hover); }

/* TOC */
.blog-toc { border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; margin: 8px 0 40px;
  background: var(--bg-card); }
.blog-toc-title { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 12px; }
.blog-toc ol { list-style: none; margin: 0; padding: 0; }
.blog-toc li { margin: 0 0 6px; }
.blog-toc a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; }
.blog-toc a:hover { color: var(--accent); }
.blog-toc .toc-h3 { padding-left: 18px; }

/* Article body typography */
.blog-content { font-size: 1.02rem; line-height: 1.85; color: var(--text-primary); }
.blog-content h2 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; margin: 48px 0 16px;
  padding-top: 8px; }
.blog-content h2::before { content: ''; display: block; width: 40px; height: 3px; border-radius: 2px;
  background: var(--accent); margin-bottom: 14px; }
.blog-content h3 { font-size: 1.22rem; font-weight: 600; margin: 32px 0 12px; }
.blog-content p { margin: 0 0 20px; }
.blog-content a { color: var(--accent); text-decoration: none; }
.blog-content a:hover { text-decoration: underline; }
.blog-content strong { color: var(--text-primary); font-weight: 600; }
.blog-content ul, .blog-content ol { margin: 0 0 20px; padding-left: 22px; }
.blog-content li { margin-bottom: 8px; }
.blog-content li::marker { color: var(--accent); }
.blog-content code { font-family: var(--font-mono); font-size: 0.88em; background: var(--bg-tertiary);
  border: 1px solid var(--border); padding: 2px 6px; border-radius: 4px; color: #7dd3fc; }
.blog-content pre { background: #0a0f16; border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; overflow-x: auto; margin: 0 0 22px; }
.blog-content pre code { background: none; border: none; padding: 0; color: #c9d1d9; font-size: 0.86rem; line-height: 1.7; }
.blog-content blockquote { border-left: 3px solid var(--accent); background: var(--accent-glow);
  margin: 24px 0; padding: 14px 20px; border-radius: 0 10px 10px 0; color: var(--text-secondary); }
.blog-content blockquote p { margin: 0; }
.blog-content figure { margin: 28px 0; }
.blog-content figure img, .blog-content figure svg { width: 100%; border-radius: 12px; border: 1px solid var(--border); }
.blog-content figcaption { text-align: center; color: var(--text-muted); font-size: 0.82rem; margin-top: 10px; }
.blog-content table { width: 100%; border-collapse: collapse; margin: 0 0 22px; font-size: 0.92rem; }
.blog-content th, .blog-content td { text-align: left; padding: 10px 14px; border: 1px solid var(--border); }
.blog-content th { background: var(--bg-tertiary); color: var(--text-primary); font-weight: 600; }

/* Author box, related, prev/next */
.blog-author { display: flex; gap: 18px; align-items: flex-start; margin: 56px 0 0; padding: 24px;
  border: 1px solid var(--border); border-radius: 14px; background: var(--bg-card); }
.blog-author .ba-icon { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; background: var(--accent-glow); color: var(--accent); font-size: 1.3rem; flex-shrink: 0; }
.blog-author h3 { font-size: 1rem; margin: 0 0 6px; }
.blog-author p { color: var(--text-secondary); font-size: 0.88rem; margin: 0; line-height: 1.6; }
.blog-related { margin-top: 40px; }
.blog-related h3 { font-size: 1.05rem; margin-bottom: 16px; }
.blog-related ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.blog-related li a { display: block; padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px;
  text-decoration: none; color: var(--text-primary); font-size: 0.92rem; transition: all 0.2s; }
.blog-related li a:hover { border-color: var(--border-hover); color: var(--accent); transform: translateY(-2px); }
.blog-prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 24px; font-size: 0.9rem; }
.blog-prevnext a { color: var(--text-secondary); text-decoration: none; }
.blog-prevnext a:hover { color: var(--accent); }

/* Blog list page */
.blog-list-hero { padding: calc(var(--gn-h) + var(--nav-h) + 56px) 2rem 0; text-align: center; }
.blog-list-hero h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 12px; }
.blog-list-hero p { color: var(--text-secondary); max-width: 640px; margin: 0 auto 32px; }
.blog-cat-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.blog-cat-filter button { font-size: 0.82rem; color: var(--text-secondary); background: none;
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 16px; cursor: pointer; transition: all 0.2s; }
.blog-cat-filter button:hover { color: var(--accent); border-color: var(--border-hover); }
.blog-cat-filter button.is-active { color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 1080px; margin: 0 auto;
  padding: 0 2rem 96px; }
.blog-card { border: 1px solid var(--border); border-radius: 16px; padding: 28px; background: var(--bg-card);
  transition: all 0.25s; display: flex; flex-direction: column; }
.blog-card:hover { transform: translateY(-3px); border-color: var(--border-hover); }
.blog-card .bc-cat { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 10px; }
.blog-card h2 { font-size: 1.25rem; font-weight: 600; line-height: 1.4; margin: 0 0 10px; }
.blog-card h2 a { color: var(--text-primary); text-decoration: none; }
.blog-card h2 a:hover { color: var(--accent); }
.blog-card .bc-excerpt { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; flex: 1; margin-bottom: 16px; }
.blog-card .bc-meta { color: var(--text-muted); font-size: 0.8rem; }
@media (max-width: 768px) {
  .blog-article { padding: calc(var(--gn-h) + var(--nav-h) + 24px) 1.25rem 64px; }
  .blog-header h1 { font-size: 1.8rem; }
  .blog-grid { grid-template-columns: 1fr; padding: 0 1.25rem 64px; }
  .blog-related ul { grid-template-columns: 1fr; }
  .blog-author { flex-direction: column; }
}