/* Article-specific styles */
.article-main {
    padding: 2rem 0 4rem 0;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.article-title {
    font-size: 3rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.article-subtitle {
    font-size: 1.25rem;
    color: #666;
    font-style: italic;
    margin-bottom: 0;
}

.back-link {
    display: inline-block;
    font-size: 1rem;
    color: #666;
    text-decoration: none;
    margin-bottom: 2rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.back-link:hover {
    border-bottom-color: #666;
}

.article-intro {
    font-size: 1.125rem;
    color: #444;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #f0f0f0;
}

.article-intro p {
    margin-bottom: 1.5rem;
}

.article-intro a {
    color: #0066cc;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.article-intro a:hover {
    border-bottom-color: #0066cc;
}

.article-section {
    margin-bottom: 4rem;
}

.article-section h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.step-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #f0f0f0;
}

.step-section:last-child {
    border-bottom: none;
}

.step-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.step-section p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.code-block {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    color: #333;
}

.code-block code {
    background: none;
    padding: 0;
    border: none;
}

.comparison-table {
    margin: 2rem 0;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table th {
    background-color: #f8f9fa;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: #1a1a1a;
    border-bottom: 1px solid #e0e0e0;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.step-section.highlight {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #dc3545;
    margin: 2rem 0;
}

.suspicious-case {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    margin: 2rem 0;
}

.suspicious-case h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #dc3545;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: #666;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.conclusion {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #28a745;
    margin: 3rem 0;
}

.conclusion h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.action-note {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.action-note p {
    margin: 0;
    color: #856404;
    font-weight: 500;
}

/* Responsive design */
@media (max-width: 768px) {
    .article-title {
        font-size: 2.5rem;
    }
    
    .article-subtitle {
        font-size: 1.125rem;
    }
    
    .article-section h2 {
        font-size: 1.75rem;
    }
    
    .step-section h3 {
        font-size: 1.375rem;
    }
    
    .code-block {
        padding: 1rem;
    }
    
    .code-block pre {
        font-size: 0.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-table {
        font-size: 0.875rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 2rem;
    }
    
    .article-section h2 {
        font-size: 1.5rem;
    }
    
    .step-section h3 {
        font-size: 1.25rem;
    }
    
    .step-section.highlight,
    .conclusion {
        padding: 1.5rem;
    }
    
    .suspicious-case {
        padding: 1.5rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
}