/* =============================================
   Blog Article Detail Page
   ============================================= */
.article-page {
    padding-top: 100px;
    padding-bottom: 80px;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.article-header {
    margin-bottom: 48px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.article-meta .blog-category-tag {
    margin: 0;
}

/* Blog category tag colors */
.blog-category-tag.database {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.blog-category-tag.distributed {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
}

.blog-category-tag.growth {
    color: #ec4899;
    background: rgba(236, 72, 153, 0.1);
}

.blog-category-tag.ai {
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.blog-category-tag.architecture {
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.blog-category-tag.backend {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.blog-category-tag.frontend {
    color: #06b6d4;
    background: rgba(6, 182, 212, 0.1);
}

.article-meta-date {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.article-meta-read {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.article-page-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: 24px;
}

.article-excerpt {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    border-left: 3px solid var(--accent-primary);
    padding-left: 20px;
}

/* Article Body */
.article-body {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-primary);
    color: var(--text-primary);
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 36px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.article-body strong,
.article-body b {
    color: var(--text-primary);
    font-weight: 600;
}

.article-body ul,
.article-body ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.article-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--text-accent);
    border: 1px solid var(--border-primary);
}

.article-body pre {
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 24px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.article-body pre code {
    background: none;
    padding: 0;
    border: none;
    color: inherit;
    font-size: inherit;
}

.article-body blockquote {
    border-left: 3px solid var(--accent-primary);
    padding: 12px 20px;
    margin-bottom: 24px;
    background: var(--gradient-subtle);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-body blockquote p {
    margin-bottom: 0;
    font-style: italic;
}

.article-body .highlight-block {
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.article-body .highlight-block h4 {
    font-size: 0.875rem;
    color: var(--text-accent);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-body .highlight-block p {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.article-body .highlight-block p:last-child {
    margin-bottom: 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 0.9375rem;
}

.article-body table th,
.article-body table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.article-body table th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.article-body table td {
    color: var(--text-secondary);
}

.article-body table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Article Tags Footer */
.article-footer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-primary);
}

.article-footer-tags span {
    padding: 4px 14px;
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 100px;
}

/* Article Navigation */
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-primary);
}

.article-nav-link {
    flex: 1;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.article-nav-link:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.article-nav-link .nav-direction {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-nav-link .nav-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
}

.article-nav-link.next {
    text-align: right;
}

/* Back to blog */
.article-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    transition: color var(--transition-fast);
}

.article-back:hover {
    color: var(--text-accent);
}

@media (max-width: 768px) {
    .article-page-title {
        font-size: 1.625rem;
    }

    .article-nav {
        flex-direction: column;
    }

    .article-nav-link.next {
        text-align: left;
    }
}