/* Keryx Maps Blog Stylesheet */

:root {
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --border: #e2e8f0;
    --accent: #f97316;
    --accent-dark: #ea580c;
    --link: #2563eb;
    --link-hover: #1d4ed8;
    --max-width: 720px;
    --header-bg: #0f172a;
    --header-text: #f1f5f9;
    --tag-bg: #f1f5f9;
    --tag-text: #475569;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text: #e2e8f0;
        --text-secondary: #94a3b8;
        --text-muted: #64748b;
        --bg: #0f172a;
        --bg-secondary: #1e293b;
        --border: #334155;
        --link: #60a5fa;
        --link-hover: #93bbfd;
        --tag-bg: #1e293b;
        --tag-text: #94a3b8;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

/* Header */
.blog-header {
    background: var(--header-bg);
    border-bottom: 3px solid var(--accent);
}

.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: var(--header-text);
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
}

.logo:hover { color: var(--accent); text-decoration: none; }

.blog-header nav { display: flex; gap: 24px; }
.blog-header nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}
.blog-header nav a:hover,
.blog-header nav a.active { color: var(--header-text); text-decoration: none; }

/* Footer */
.blog-footer {
    border-top: 1px solid var(--border);
    margin-top: 80px;
    padding: 40px 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-inner { max-width: 960px; margin: 0 auto; }
.footer-inner p { margin: 4px 0; }
.footer-inner a { color: var(--text-secondary); }

/* Blog Index */
.blog-index {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px;
}

.blog-index h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.blog-subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.post-card {
    display: block;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s, transform 0.2s;
}

.post-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
    text-decoration: none;
    color: inherit;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 20px;
}

.card-body h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.card-body time {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
}

.card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.no-posts {
    text-align: center;
    color: var(--text-muted);
    grid-column: 1 / -1;
    padding: 60px 0;
    font-size: 1.1rem;
}

/* Blog Post */
.blog-post {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px;
}

.post-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.post-meta time { margin-right: 12px; }
.post-meta .author { color: var(--text-secondary); }

.blog-post h1 {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.featured-image {
    width: 100%;
    border-radius: 12px;
    margin: 24px 0;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag {
    background: var(--tag-bg);
    color: var(--tag-text);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Post content typography */
.post-content { margin-top: 32px; }

.post-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 40px 0 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.post-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 32px 0 12px;
}

.post-content p { margin: 16px 0; }

.post-content ul, .post-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.post-content li { margin: 8px 0; }

.post-content blockquote {
    border-left: 4px solid var(--accent);
    margin: 24px 0;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
}

.post-content code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
}

.post-content pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
    margin: 24px 0;
}

.post-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.post-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 24px 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.post-content th, .post-content td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}

.post-content th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 40px 0;
}

/* Post navigation */
.post-nav {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.post-nav a {
    color: var(--accent);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 640px) {
    .blog-post h1 { font-size: 1.6rem; }
    .blog-index h1 { font-size: 1.5rem; }
    .post-grid { grid-template-columns: 1fr; }
    .header-inner { padding: 12px 16px; }
    .blog-header nav { gap: 16px; }
}