/* Column Article Styles */
.article-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 20px;
    text-align: center;
    color: white;
}

.article-hero-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.article-hero h1 {
    font-size: 2.2rem;
    margin-bottom: 16px;
    font-weight: 700;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 0.95rem;
    opacity: 0.9;
}

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

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.9;
    color: #374151;
}

.article-content h2 {
    font-size: 1.6rem;
    color: #1e293b;
    margin: 48px 0 20px;
    font-weight: 700;
}

.article-content h3 {
    font-size: 1.3rem;
    color: #334155;
    margin: 36px 0 16px;
    font-weight: 600;
}

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

.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 28px;
}

.article-content li {
    margin-bottom: 12px;
}

.highlight-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid #667eea;
    padding: 24px 28px;
    margin: 32px 0;
    border-radius: 0 12px 12px 0;
}

.highlight-box h4 {
    color: #667eea;
    margin-bottom: 12px;
    font-weight: 600;
}

.quote-box {
    background: #faf5ff;
    border-left: 4px solid #a855f7;
    padding: 24px 28px;
    margin: 32px 0;
    border-radius: 0 12px 12px 0;
    font-style: italic;
}

.quote-box cite {
    display: block;
    margin-top: 12px;
    font-style: normal;
    font-weight: 600;
    color: #7c3aed;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}

.article-tag {
    background: #f1f5f9;
    color: #475569;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #e2e8f0;
}

.article-nav a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: #64748b;
    transition: color 0.3s;
}

.article-nav a:hover {
    color: #667eea;
}

.article-nav a span:first-child {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.article-nav a span:last-child {
    font-weight: 600;
    color: #1e293b;
}

.related-tests {
    background: #f8fafc;
    border-radius: 16px;
    padding: 32px;
    margin-top: 48px;
}

.related-tests h3 {
    margin-bottom: 20px;
    color: #1e293b;
}

.related-tests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.related-test-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.related-test-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.related-test-card h4 {
    color: #1e293b;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.related-test-card p {
    color: #64748b;
    font-size: 0.8rem;
    margin: 0;
}

@media (max-width: 768px) {
    .article-hero h1 {
        font-size: 1.6rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .article-nav {
        flex-direction: column;
        gap: 16px;
    }
}