.app{max-width:800px;margin:0 auto;padding:2rem;text-align:center;font-family:system-ui,-apple-system,sans-serif}h1{color:#333}.api-message{font-size:1.25rem;color:#555;padding:1rem;background:#f5f5f5;border-radius:8px}body{margin:0;background:#fafafa}