/* Standalone blog stylesheet - decoupled from SPA build pipeline */

:root {
    --blog-bg: #ffffff;
    --blog-text: #1a1a2e;
    --blog-text-secondary: #64748b;
    --blog-accent: #6366f1;
    --blog-accent-hover: #4f46e5;
    --blog-border: #e2e8f0;
    --blog-card-bg: #f8fafc;
    --blog-max-width: 820px;
    --blog-container-width: 1200px;
    --blog-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --blog-font-mono: 'Fira Code', 'Cascadia Code', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.blog-page {
    font-family: var(--blog-font);
    color: var(--blog-text);
    background: var(--blog-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.blog-header {
    border-bottom: 1px solid var(--blog-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px);
    z-index: 50;
}
.blog-header-inner {
    max-width: var(--blog-container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.blog-logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--blog-accent);
    text-decoration: none;
    letter-spacing: -.02em;
}
.blog-logo:hover { color: var(--blog-accent-hover); }
.blog-nav a {
    color: var(--blog-text-secondary);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    margin-left: 1.5rem;
    transition: color .15s;
}
.blog-nav a:hover { color: var(--blog-accent); }

/* Container */
.blog-container {
    max-width: var(--blog-container-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}
.blog-container--narrow {
    max-width: var(--blog-max-width);
}

/* Page title */
.blog-page-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -.03em;
    margin-bottom: .5rem;
}
.blog-page-subtitle {
    color: var(--blog-text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
}

/* Post cards grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}
.blog-card {
    border: 1px solid var(--blog-border);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
    background: var(--blog-bg);
}
.blog-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,.08);
    transform: translateY(-2px);
}
.blog-card-cover {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
}
.blog-card-body {
    padding: 1.25rem 1.5rem 1.5rem;
}
.blog-card-meta {
    font-size: .8rem;
    color: var(--blog-text-secondary);
    margin-bottom: .5rem;
}
.blog-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: .5rem;
}
.blog-card-title a {
    color: var(--blog-text);
    text-decoration: none;
}
.blog-card-title a:hover { color: var(--blog-accent); }
.blog-card-summary {
    font-size: .92rem;
    color: var(--blog-text-secondary);
    line-height: 1.6;
}

/* Single post */
.blog-post-header { margin-bottom: 2rem; }
.blog-post-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.2;
    margin-bottom: .75rem;
}
.blog-post-meta {
    font-size: .9rem;
    color: var(--blog-text-secondary);
}
.blog-post-cover {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 2rem;
    max-height: 460px;
    object-fit: cover;
}

/* Article body */
.blog-post-body {
    font-size: 1.05rem;
    line-height: 1.8;
}
.blog-post-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
    letter-spacing: -.02em;
}
.blog-post-body h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 2rem 0 .75rem;
}
.blog-post-body p { margin-bottom: 1.25rem; }
.blog-post-body a {
    color: var(--blog-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.blog-post-body a:hover { color: var(--blog-accent-hover); }
.blog-post-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1.5rem 0;
    height: auto;
}
.blog-post-body blockquote {
    border-left: 4px solid var(--blog-accent);
    padding: .75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--blog-card-bg);
    border-radius: 0 8px 8px 0;
    color: var(--blog-text-secondary);
}
.blog-post-body pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: var(--blog-font-mono);
    font-size: .88rem;
    line-height: 1.65;
}
.blog-post-body code {
    font-family: var(--blog-font-mono);
    font-size: .88em;
    background: var(--blog-card-bg);
    padding: .15em .4em;
    border-radius: 4px;
}
.blog-post-body pre code {
    background: none;
    padding: 0;
}
.blog-post-body ul, .blog-post-body ol {
    margin: 1rem 0 1.25rem 1.5rem;
}
.blog-post-body li { margin-bottom: .35rem; }

/* Back link */
.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--blog-text-secondary);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    transition: color .15s;
}
.blog-back-link:hover { color: var(--blog-accent); }

/* Empty state */
.blog-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--blog-text-secondary);
}
.blog-empty p { font-size: 1.1rem; }

/* Footer */
.blog-footer {
    border-top: 1px solid var(--blog-border);
    padding: 2rem 0;
    text-align: center;
    color: var(--blog-text-secondary);
    font-size: .85rem;
}

/* Pagination */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: .75rem;
    margin-top: 3rem;
}
.blog-pagination a,
.blog-pagination span {
    padding: .5rem 1rem;
    border: 1px solid var(--blog-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--blog-text);
    font-size: .9rem;
    font-weight: 500;
    transition: all .15s;
}
.blog-pagination a:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
}
.blog-pagination .current {
    background: var(--blog-accent);
    color: #fff;
    border-color: var(--blog-accent);
}

/* Tables in blog content */
.blog-post-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1.5rem 0;
    font-size: .95rem;
}
.blog-post-body td,
.blog-post-body th {
    border: 1px solid #d1d5db;
    padding: .6rem 1rem;
    text-align: left;
}
.blog-post-body th {
    background: #f3f4f6;
    font-weight: 600;
}
@media (prefers-color-scheme: dark) {
    .blog-post-body td,
    .blog-post-body th { border-color: #4b5563; }
    .blog-post-body th { background: #1f2937; }
}
.blog-post-body table tr:hover td {
    background: rgba(59,130,246,.04);
}

@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-post-title { font-size: 1.8rem; }
    .blog-page-title { font-size: 1.6rem; }
    .blog-post-body table { display: block; overflow-x: auto; }
}