/* ============================================
   Blog/Article Styles
   Extends main style.css for blog post layout
   ============================================ */

.article-hero {
    padding: 140px 0 60px;
    background: linear-gradient(180deg, rgba(6, 182, 212, 0.04) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
    position: relative;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.article-breadcrumb a:hover {
    color: var(--accent);
}

.article-breadcrumb .separator {
    color: var(--border);
}

.article-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-meta svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

.article-meta .author-name {
    color: var(--text-primary);
    font-weight: 500;
}

.article-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-dim);
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 16px;
}

/* Article Body */
.article-body {
    padding: 60px 0;
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article-content {
    max-width: 760px;
    margin: 0 auto;
}

.article-content h2 {
    font-size: 1.7rem;
    color: var(--text-primary);
    margin: 40px 0 16px;
    font-weight: 700;
    line-height: 1.3;
}

.article-content h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 32px 0 12px;
    font-weight: 600;
}

.article-content p {
    margin-bottom: 20px;
    line-height: 1.9;
}

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

.article-content li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.article-content ul li::marker {
    color: var(--accent);
}

.article-content ol li::marker {
    color: var(--accent);
    font-weight: 600;
}

.article-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-dim);
    transition: var(--transition);
}

.article-content a:hover {
    border-bottom-color: var(--accent);
}

.article-content blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    background: var(--bg-card);
    border-right: 3px solid var(--accent);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-style: italic;
}

.article-content code {
    background: var(--bg-tertiary);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    direction: ltr;
    display: inline-block;
}

.article-content pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    overflow-x: auto;
    direction: ltr;
    text-align: left;
    margin: 24px 0;
}

.article-content pre code {
    background: transparent;
    color: var(--text-primary);
    padding: 0;
    font-size: 0.9rem;
}

.article-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 24px 0;
}

/* Article CTA */
.article-cta {
    margin: 60px 0;
    padding: 40px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.article-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
    pointer-events: none;
}

.article-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    position: relative;
}

.article-cta p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    position: relative;
}

.article-cta .btn {
    position: relative;
}

/* Table of Contents */
.toc {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin: 32px 0;
}

.toc-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 600;
}

.toc ol {
    margin: 0;
    padding-right: 20px;
}

.toc li {
    margin-bottom: 6px;
}

.toc a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    border-bottom: none;
    transition: var(--transition);
}

.toc a:hover {
    color: var(--accent);
}

/* Related Posts */
.related-posts {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-decoration: none;
    transition: var(--transition);
    display: block;
}

.related-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.related-card h4 {
    color: var(--text-primary);
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.related-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.related-card .read-more {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 12px;
    display: inline-block;
}

/* Blog Listing */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.blog-card-image {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-card-icon {
    color: rgba(255, 255, 255, 0.4);
}

.blog-card-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent);
    font-family: 'Courier New', monospace;
    margin-bottom: 12px;
    align-self: flex-start;
}

.blog-card-content h3 {
    color: var(--text-primary);
    font-size: 1.15rem;
    margin-bottom: 8px;
    line-height: 1.5;
}

.blog-card-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.blog-card-meta .reading-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .article-hero {
        padding: 100px 0 40px;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .related-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .article-cta {
        padding: 24px;
    }
}

@media (max-width: 1024px) {
    .related-grid,
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .related-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .article-meta {
        gap: 12px;
    }
}