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1.5rem;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.page-section-header h3{margin:0;font-size:1.1rem;font-weight:600;color:var(--text-primary)}.page-stats{display:flex;gap:.75rem}.stat-badge{padding:.25rem .75rem;border-radius:12px;font-size:.85rem;font-weight:600;font-family:monospace}.stat-badge.additions{background:#22c55e26;color:var(--success-color)}.stat-badge.deletions{background:#ef444426;color:var(--danger-color)}.comparison-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.comparison-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.comparison-header h2{margin:0;font-size:1.5rem;font-weight:600;color:var(--text-primary, #f3f4f6)}.app-footer{text-align:center;padding:2rem;border-top:1px solid var(--border-color, #374151);color:var(--text-muted, #9ca3af);font-size:.9rem}.app-footer a{margin-left:.5rem;color:var(--primary-color, #6366f1);text-decoration:none}.app-footer 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