/**
 * ClassLedger Blog Styling
 *
 * Modern, responsive blog post and archive styling.
 * Save as: assets/css/blog.css
 *
 * Every color/radius/shadow below is a var(--token) from assets/css/style.css
 * — see the frontend skill / CLAUDE.md's design-system section. Nothing in
 * this file should be a raw hex value; if you add a new rule, reach for an
 * existing --token first.
 */

/* ===========================
   BLOG POST CONTAINER
   =========================== */

.blog-post-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3.5rem 1.25rem;
    background: var(--bg-main);
    font-family: var(--font-body);
}

@media (max-width: 768px) {
    .blog-post-container {
        padding: 2.5rem 1rem;
    }
}

/* ===========================
   BLOG POST ARTICLE
   =========================== */

.blog-post {
    line-height: 1.8;
}

/* --- Post Header --- */

.blog-post-header {
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 2px solid var(--border-color);
}

.blog-post-meta {
    display: flex;
    gap: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    align-items: center;
}

.blog-post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.blog-post-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.2;
    margin: 0 0 1.25rem 0;
    letter-spacing: -0.01em;
}

@media (max-width: 768px) {
    .blog-post-title {
        font-size: 1.75rem;
    }
}

.blog-post-excerpt {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 500;
    margin: 0 0 1.25rem 0;
    line-height: 1.6;
}

.blog-post-categories {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin: 0;
}

.blog-category {
    display: inline-block;
    padding: 0.4rem 0.85rem;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-category:hover {
    background: var(--primary);
    color: #FFFFFF;
}

/* --- Post Content --- */

.blog-post-content {
    font-size: 1.05rem;
    color: var(--text-main);
}

/* Headings */
.blog-post-content h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 3rem 0 1.5rem 0;
    line-height: 1.3;
    padding-top: 2.5rem;
    border-top: none;
}

.blog-post-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
}

.blog-post-content h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 2.2rem 0 0.9rem 0;
    line-height: 1.3;
}

.blog-post-content h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 1.5rem 0 0.75rem 0;
}

/* Paragraphs */
.blog-post-content p {
    margin: 0 0 1.25rem 0;
    line-height: 1.8;
}

.blog-post-content p:last-child {
    margin-bottom: 0;
}

/* Links */
.blog-post-content a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    border-bottom: 1px solid rgba(37, 99, 235, 0.3);
}

.blog-post-content a:hover {
    color: var(--primary-hover);
    border-bottom-color: var(--primary);
}

/* Lists */
.blog-post-content ul,
.blog-post-content ol {
    margin: 1.25rem 0;
    padding-left: 1.75rem;
}

.blog-post-content ul li,
.blog-post-content ol li {
    margin: 0.6rem 0;
    line-height: 1.8;
}

.blog-post-content ul li strong,
.blog-post-content ol li strong {
    color: var(--text-main);
}

.blog-post-content ul ul,
.blog-post-content ol ol {
    margin: 0.6rem 0;
}

/* Blockquotes */
.blog-post-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 1.5rem;
    margin: 1.875rem 0;
    color: var(--text-muted);
    font-style: italic;
    font-size: 1.05rem;
}

.blog-post-content blockquote p {
    margin: 0;
}

.blog-post-content blockquote strong {
    color: var(--text-main);
    font-weight: 700;
}

/* Code */
.blog-post-content code {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.15rem 0.4rem;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--danger-text);
}

.blog-post-content pre {
    background: var(--navy);
    color: var(--on-navy);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.5625rem 0;
    line-height: 1.5;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

.blog-post-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
}

/* Images */
.blog-post-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.875rem 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.blog-post-content figcaption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Tables */
.blog-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5625rem 0;
    font-size: 0.95rem;
}

.blog-post-content table th {
    background: var(--bg-subtle);
    padding: 0.75rem;
    text-align: left;
    font-weight: 700;
    color: var(--text-main);
    border-bottom: 2px solid var(--border-color);
}

.blog-post-content table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-post-content table tr:hover {
    background: var(--bg-subtle);
}

/* Emphasis */
.blog-post-content strong,
.blog-post-content b {
    font-weight: 700;
    color: var(--text-main);
}

.blog-post-content em,
.blog-post-content i {
    font-style: italic;
}

/* Horizontal Rule */
.blog-post-content hr {
    border: none;
    height: 2px;
    background: var(--border-color);
    margin: 2.5rem 0;
}

/* --- Post Footer --- */

.blog-post-footer {
    margin-top: 3rem;
    padding: 1.875rem;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

.blog-post-footer-content {
    margin: 0;
    color: var(--text-main);
}

.blog-post-footer-content p {
    margin: 0;
    font-size: 1rem;
}

.blog-post-footer-content a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid rgba(37, 99, 235, 0.3);
}

.blog-post-footer-content a:hover {
    border-bottom-color: var(--primary);
}

/* --- Related Posts --- */

.blog-related-posts {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 2px solid var(--border-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.blog-related-posts h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 1.25rem 0;
}

.blog-related-posts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-related-posts li {
    margin: 0.75rem 0;
}

.blog-related-posts a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    display: inline-block;
    line-height: 1.5;
}

.blog-related-posts a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.blog-related-posts a::before {
    content: "→ ";
    margin-right: 0.25rem;
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 768px) {
    .blog-post-container {
        padding: 2.5rem 1rem;
    }

    .blog-post-title {
        font-size: 1.75rem;
    }

    .blog-post-excerpt {
        font-size: 1rem;
    }

    .blog-post-content {
        font-size: 1rem;
    }

    .blog-post-content h2 {
        font-size: 1.5rem;
    }

    .blog-post-content h3 {
        font-size: 1.25rem;
    }

    .blog-post-meta {
        font-size: 0.8rem;
        gap: 0.75rem;
    }

    .blog-post-categories {
        gap: 0.4rem;
    }

    .blog-category {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }

    .blog-post-content pre {
        padding: 1rem;
        font-size: 0.8em;
        margin: 1.25rem -1rem;
        border-radius: 0;
    }

    .blog-post-footer {
        padding: 1.25rem;
    }
}

/* ===========================
   PRINT STYLES
   =========================== */

@media print {
    .blog-post-container {
        max-width: 100%;
        padding: 0;
    }

    .blog-post-footer,
    .blog-related-posts {
        display: none;
    }

    .blog-post-content a {
        text-decoration: underline;
    }

    .blog-post-content a::after {
        content: " (" attr(href) ")";
        font-size: 0.85em;
        color: var(--text-muted);
    }

    .blog-post-content pre {
        border: 1px solid #ccc;
        background: #f5f5f5;
        color: #333;
    }
}