/* ============================================
   Blog Styles — Emergent Minds
   Listing page, post pages, cards, typography
   ============================================ */

/* ─── Blog Listing Page ─── */

.blog-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-xl);
}

.blog-rss-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    transition: color var(--transition);
}

.blog-rss-link:hover {
    color: var(--accent);
}

/* ─── Post Cards (listing page) ─── */

.blog-posts {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.post-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: var(--space-lg);
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: radial-gradient(
        400px circle at var(--glow-x, 50%) var(--glow-y, 50%),
        var(--accent-glow),
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

.post-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.post-card:hover::before {
    opacity: 1;
}

.post-card > * {
    position: relative;
    z-index: 1;
}

.post-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.post-card-link:hover {
    color: inherit;
}

.post-card-title {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.post-card-link:hover .post-card-title {
    color: var(--accent);
}

.post-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.post-card-meta .meta-separator {
    color: var(--border-light);
}

.post-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.post-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

/* ─── Tags ─── */

.tag {
    display: inline-block;
    padding: 0.2rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: var(--accent);
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 9999px;
    transition: background var(--transition), border-color var(--transition);
    text-decoration: none;
}

.tag:hover {
    background: rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.4);
    color: var(--accent-hover);
}

[data-theme="light"] .tag {
    color: var(--accent);
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.2);
}

/* ─── Blog Post Page ─── */

.post-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
}

.post-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.post-meta .meta-separator {
    color: var(--border-light);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

/* ─── Author Byline ─── */

.author-byline {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-xl);
    font-size: 0.9375rem;
}

.author-avatar {
    font-size: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(96, 165, 250, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-disclosure {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ─── Post Body Typography ─── */

.post-body {
    max-width: var(--container-narrow);
    margin: 0 auto;
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.post-body h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.375rem, 2.5vw, 1.875rem);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.post-body h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.post-body p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.post-body p:first-child,
.post-body > p:first-of-type {
    font-size: 1.125rem;
    color: var(--text-primary);
}

.post-body blockquote {
    border-left: 3px solid var(--accent);
    padding-left: var(--space-lg);
    margin: var(--space-lg) 0;
    color: var(--text-secondary);
    font-style: italic;
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.post-body ul,
.post-body ol {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.post-body li {
    margin-bottom: var(--space-sm);
}

.post-body a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: rgba(96, 165, 250, 0.3);
    text-underline-offset: 2px;
    transition: text-decoration-color var(--transition);
}

.post-body a:hover {
    text-decoration-color: var(--accent);
}

.post-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: var(--space-xl) 0;
}

.post-body code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    padding: 0.125rem 0.375rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.25rem;
}

.post-body pre {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: var(--space-md);
    overflow-x: auto;
    margin-bottom: var(--space-md);
}

.post-body pre code {
    padding: 0;
    background: none;
    border: none;
}

/* ─── Post Footer ─── */

.post-footer {
    max-width: var(--container-narrow);
    margin: var(--space-xl) auto 0;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
}

.post-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.post-nav a {
    font-weight: 500;
}

/* ─── Related Posts ─── */

.related-posts {
    margin-top: var(--space-xl);
}

.related-posts h2 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    margin-bottom: var(--space-lg);
    text-align: center;
    color: var(--text-primary);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
    gap: var(--space-md);
}

.related-post-card {
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    text-decoration: none;
    transition: border-color var(--transition);
}

.related-post-card:hover {
    border-color: var(--accent);
}

.related-post-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.related-post-card .post-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ─── Reading Time ─── */

.reading-time {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.reading-time::before {
    content: '📖';
    font-size: 0.875em;
}

/* ─── Back to Blog Link ─── */

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition);
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-lg);
}

.back-to-blog:hover {
    color: var(--accent);
}

/* ─── Responsive ─── */

@media (max-width: 768px) {
    .post-card {
        padding: var(--space-md);
    }

    .post-card-meta {
        font-size: 0.8125rem;
    }

    .author-byline {
        flex-direction: column;
        text-align: center;
        padding: var(--space-md);
    }

    .post-body {
        font-size: 1rem;
    }

    .post-nav {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* ─── Print ─── */

@media print {
    .post-card::before,
    .back-to-blog,
    .post-nav,
    .related-posts,
    .post-tags,
    .blog-rss-link {
        display: none !important;
    }

    .post-card {
        border: 1px solid #ddd;
        box-shadow: none;
        break-inside: avoid;
    }

    .post-body {
        color: #000;
        font-size: 11pt;
        line-height: 1.6;
    }

    .post-body a {
        color: #000;
        text-decoration: underline;
    }

    .post-body a::after {
        content: ' (' attr(href) ')';
        font-size: 0.8em;
        color: #666;
    }

    .post-title {
        color: #000;
    }

    .author-byline {
        border: 1px solid #ddd;
        background: #f9f9f9;
    }
}