:root{--bg-primary:#ffffff;--bg-secondary:#fafbfc;--bg-elevated:#f9fafb;--accent-primary:#3b82f6;--accent-secondary:#2563eb;--accent-light:#dbeafe;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--border-light:#f3f4f6;--border-subtle:#e5e7eb;--border-medium:#d1d5db;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--warning-light:#fef3c7;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 6px rgba(0,0,0,.04);--shadow-lg:0 10px 15px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-secondary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}.container{max-width:1300px;margin:0 auto;padding:2rem 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