/* Blog: list, article and Markdown content. Loaded only on /blog pages. Uses the site's design tokens. */

.blog-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 28px; }
.blog-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: 999px;
    border: 1px solid var(--glass-border); background: var(--glass-bg);
    color: var(--text-color); font-size: 0.95rem; text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease;
}
.blog-chip span { color: var(--text-muted); font-size: 0.8rem; }
.blog-chip:hover, .blog-chip:focus-visible { border-color: var(--primary-color); }
.blog-chip.is-active { border-color: var(--primary-color); background: rgba(99, 102, 241, 0.14); color: var(--primary-color); font-weight: 600; }
.page-header .blog-meta a { color: inherit; }

.blog-empty { color: var(--text-muted); font-size: 1.1rem; text-align: center; padding: 40px 0; }

/* Featured (latest) post */
.blog-featured {
    display: grid; grid-template-columns: 1fr; overflow: hidden;
    background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 20px;
}
.blog-featured.has-cover { grid-template-columns: 1.1fr 1fr; }
.blog-featured-cover { display: block; min-height: 100%; }
.blog-featured-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-featured-body { padding: 40px; }
.blog-featured-body h2 { font-size: 2.2rem; line-height: 1.25; margin-bottom: 16px; }
.blog-featured-body h2 a, .blog-card h3 a { color: inherit; text-decoration: none; }
.blog-featured-body h2 a:hover, .blog-card h3 a:hover { color: var(--primary-color); }
.blog-featured-body > p { color: var(--text-muted); font-size: 1.1rem; }
.blog-readtime { color: var(--text-muted); align-self: center; }

.blog-card-cover { display: block; margin: -30px -30px 4px; border-radius: 16px 16px 0 0; overflow: hidden; aspect-ratio: 1200 / 630; }
.blog-card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-card { min-height: 0; }
.blog-card:has(.blog-card-cover) { overflow: hidden; }
.blog-related-title { font-size: 1.6rem; margin-bottom: 24px; }

/* Article */
.blog-article { padding: calc(var(--header-height) + 56px) 0 64px; }
.blog-preview-bar + .blog-article { padding-top: 48px; }
.blog-breadcrumb { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.blog-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--primary-color); }
.blog-article h1 { font-size: 2.6rem; line-height: 1.2; margin-bottom: 16px; overflow-wrap: anywhere; }
.blog-byline { display: flex; flex-wrap: wrap; gap: 8px; color: var(--text-muted); font-size: 0.95rem; margin-bottom: 32px; }
.blog-cover { margin: 0 0 32px; }
.blog-cover img { width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--glass-border); display: block; }

.blog-toc {
    border: 1px solid var(--glass-border); background: var(--glass-bg);
    border-radius: 14px; padding: 20px 24px; margin-bottom: 36px;
}
.blog-toc p { font-weight: 600; margin-bottom: 8px; }
.blog-toc ol { margin: 0; padding-left: 1.2rem; line-height: 1.8; }
.blog-toc a { color: var(--text-muted); text-decoration: none; }
.blog-toc a:hover { color: var(--primary-color); }

.blog-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 40px 0 0; }
.blog-tags li { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--glass-border); color: var(--text-muted); font-size: 0.85rem; }

.blog-preview-bar { background: #f59e0b; color: #1f1300; padding: 10px 0; margin-top: var(--header-height); font-size: 0.95rem; }
.blog-preview-bar .container { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.blog-preview-bar a { color: inherit; font-weight: 600; margin-left: auto; }

/* Markdown content */
.prose { font-size: 1.08rem; line-height: 1.8; overflow-wrap: break-word; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 1.7rem; line-height: 1.3; margin-top: 2em; scroll-margin-top: calc(var(--header-height) + 16px); }
.prose h3 { font-size: 1.3rem; margin-top: 1.6em; scroll-margin-top: calc(var(--header-height) + 16px); }
.prose h4 { font-size: 1.1rem; margin-top: 1.4em; }
.prose p, .prose li { color: var(--text-color); }
.prose a { color: var(--primary-color); text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li + li { margin-top: 0.4em; }
.prose strong { font-weight: 700; }
.prose blockquote {
    border-left: 3px solid var(--primary-color); padding: 4px 0 4px 20px;
    color: var(--text-muted); font-style: italic;
}
.prose hr { border: 0; border-top: 1px solid var(--glass-border); margin: 2.4em 0; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--glass-border); display: block; }
.prose code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em;
    background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 6px; padding: 0.1em 0.4em;
}
.prose pre {
    background: #0d1117; color: #e6edf3; border: 1px solid var(--glass-border);
    border-radius: 12px; padding: 18px 20px; overflow-x: auto; line-height: 1.6;
}
.prose pre code { background: none; border: 0; padding: 0; color: inherit; font-size: 0.88rem; }
.prose .table-wrap { overflow-x: auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.98rem; }
.prose th, .prose td { border: 1px solid var(--glass-border); padding: 10px 14px; text-align: left; vertical-align: top; }
.prose th { background: var(--glass-bg); font-weight: 600; }

@media (max-width: 768px) {
    .blog-featured.has-cover { grid-template-columns: 1fr; }
    .blog-featured-cover { aspect-ratio: 1200 / 630; }
    .blog-featured-body { padding: 26px 22px; }
    .blog-featured-body h2 { font-size: 1.6rem; }
    .blog-article { padding: calc(var(--header-height) + 28px) 0 40px; }
    .blog-article h1 { font-size: 1.9rem; }
    .prose { font-size: 1.02rem; }
    .prose h2 { font-size: 1.4rem; }
}