/* ── Blog (public) ──
   Reuses .pagination / .page-btn from public/css/tools.css (loaded globally). */

.blog-page {
    max-width: 1120px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}

.blog-head {
    margin-bottom: 24px;
}
.blog-head h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 6px;
    color: var(--text-primary, #0f172a);
}
.blog-head p {
    margin: 0;
    color: var(--text-secondary, #475569);
    max-width: 640px;
}

/* Breadcrumb */
.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-tertiary, #94a3b8);
    margin-bottom: 16px;
}
.blog-breadcrumb a {
    color: var(--accent, #4f46e5);
    text-decoration: none;
}
.blog-breadcrumb a:hover {
    text-decoration: underline;
}
.blog-breadcrumb i {
    font-size: 0.6rem;
}

/* Category pills */
.blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}
.blog-category-pill {
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border, #e2e8f0);
    background: var(--bg-primary, #ffffff);
    color: var(--text-secondary, #475569);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
}
.blog-category-pill:hover {
    border-color: var(--accent, #4f46e5);
    color: var(--accent, #4f46e5);
}
.blog-category-pill.active {
    background: var(--accent, #4f46e5);
    border-color: var(--accent, #4f46e5);
    color: #ffffff;
}

/* Post grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}
.blog-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-primary, #ffffff);
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.blog-card-thumb {
    aspect-ratio: 16 / 9;
    background: var(--bg-secondary, #f1f5f9);
    overflow: hidden;
}
.blog-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.blog-card-thumb--fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-tertiary, #94a3b8);
    height: 100%;
}
.blog-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    color: var(--text-tertiary, #94a3b8);
}
.blog-card-cat {
    color: var(--accent, #4f46e5);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-size: 0.75rem;
    text-decoration: none;
}
a.blog-card-cat:hover {
    text-decoration: underline;
}
.blog-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
    color: var(--text-primary, #0f172a);
}
.blog-card:hover .blog-card-title {
    color: var(--accent, #4f46e5);
}
.blog-card-desc {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary, #475569);
    flex: 1;
}
.blog-card-author {
    font-size: 0.8rem;
    color: var(--text-tertiary, #64748b);
}

.blog-empty {
    text-align: center;
    color: var(--text-secondary, #64748b);
    padding: 48px 0;
}

/* Single post */
.blog-post {
    max-width: 780px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}
.blog-post-header {
    margin-bottom: 24px;
}
.blog-post-header h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    margin: 10px 0 14px;
    color: var(--text-primary, #0f172a);
}
.blog-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
}
.blog-post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.blog-post-cover {
    margin: 0 0 28px;
    border-radius: 12px;
    overflow: hidden;
}
.blog-post-cover img {
    width: 100%;
    display: block;
    border-radius: 12px;
}
.blog-post-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-primary, #0f172a);
}
.blog-post-body h2 {
    font-size: 1.5rem;
    margin: 1.6em 0 0.6em;
}
.blog-post-body h3 {
    font-size: 1.2rem;
    margin: 1.4em 0 0.5em;
}
.blog-post-body p {
    margin: 0 0 1.1em;
}
.blog-post-body a {
    color: var(--accent, #4f46e5);
}
.blog-post-body ul,
.blog-post-body ol {
    margin: 0 0 1.1em;
    padding-left: 1.4em;
}
.blog-post-body li {
    margin-bottom: 0.35em;
}
.blog-post-body blockquote {
    margin: 1.4em 0;
    padding: 0.8em 1.2em;
    border-left: 4px solid var(--accent, #4f46e5);
    background: var(--bg-secondary, #f8fafc);
    color: var(--text-secondary, #334155);
    border-radius: 0 8px 8px 0;
}
.blog-post-body pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 1em 1.2em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0 0 1.1em;
    font-size: 0.9rem;
}
.blog-post-body code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9em;
    background: var(--bg-secondary, #f1f5f9);
    padding: 0.15em 0.4em;
    border-radius: 4px;
}
.blog-post-body pre code {
    background: none;
    padding: 0;
}
.blog-post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}
.blog-post-body figure {
    margin: 1.4em 0;
}
.blog-post-body figcaption {
    font-size: 0.82rem;
    color: var(--text-tertiary, #64748b);
    text-align: center;
    margin-top: 6px;
}
.blog-post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.1em;
    font-size: 0.95rem;
}
.blog-post-body th,
.blog-post-body td {
    border: 1px solid var(--border, #e2e8f0);
    padding: 8px 12px;
    text-align: left;
}
.blog-post-body th {
    background: var(--bg-secondary, #f8fafc);
    font-weight: 700;
}
.blog-post-footer {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border, #e2e8f0);
}

/* Related posts (bottom of a post page) */
.blog-related {
    max-width: 1120px;
    margin: -64px auto 0;
    padding: 40px 20px 64px;
    border-top: 1px solid var(--border, #e2e8f0);
}
.blog-related-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.blog-related-head h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-primary, #0f172a);
}
.blog-related-head h2 i {
    margin-right: 8px;
    color: var(--accent, #4f46e5);
    font-size: 1.05rem;
}
.blog-related-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent, #4f46e5);
    text-decoration: none;
}
.blog-related-link:hover {
    text-decoration: underline;
}
.blog-related-link i {
    font-size: 0.72rem;
}

/* Responsive */
@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-page,
    .blog-post,
    .blog-related {
        padding-left: 16px;
        padding-right: 16px;
    }
}