:root{--gray-200:#e9ecef;--gray-600:#6c757d;--gray-700:#495057;--primary-lightest:#e6f3f9;--primary-light:#86b3d1;--primary:#4d6d9a;--primary-dark:#3d5a80;--success-light:#d4edda;--success-dark:#155724;--warning-light:#fff3cd;--warning-dark:#856404;--text-secondary:#6c757d}*{margin:0;padding:0;box-sizing:border-box;font-family:sans-serif}body{background-color:#f4f4f4;color:#333}