:root{font-family:Segoe UI,system-ui,sans-serif;color:#102033;background:#f4f7fb}*{box-sizing:border-box}body{margin:0}main{max-width:640px;margin:48px auto;padding:32px;background:#fff;border-radius:12px;box-shadow:0 8px 32px #10203314}h1{margin-top:0}.status{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;background:#eef3f8;padding:12px 14px;border-radius:8px}button{margin-top:16px;padding:10px 16px;border:0;border-radius:8px;background:#1c4b8f;color:#fff;font-size:15px}