body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;padding:20px;background-color:#f5f5f5}.container{max-width:800px;margin:0 auto;background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.header{text-align:center;margin-bottom:30px}.auth-section{background-color:#f8f9fa;padding:20px;border-radius:6px;margin-bottom:20px;border:1px solid #e9ecef}.user-info{background-color:#d4edda;border:1px solid #c3e6cb;color:#155724;padding:15px;border-radius:6px;margin-bottom:20px}.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24;padding:15px;border-radius:6px;margin-bottom:20px}button{background-color:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;margin-right:10px;margin-bottom:10px}button:hover{background-color:#0056b3}button:disabled{background-color:#6c757d;cursor:not-allowed}.logout-btn{background-color:#dc3545}.logout-btn:hover{background-color:#c82333}pre{background-color:#f8f9fa;padding:15px;border-radius:4px;overflow-x:auto;border:1px solid #e9ecef}