:root{color:#1f2937;background:#f8fafc;font-family:system-ui,sans-serif}body{margin:0}main{max-width:720px;margin:72px auto;padding:0 24px}.brand{color:#1769aa;letter-spacing:.08em;font-weight:700}section{background:#fff;border-radius:12px;margin:32px 0;padding:24px;box-shadow:0 1px 3px #0002}.button{color:#fff;background:#1769aa;border-radius:6px;padding:12px 18px;font-weight:700;text-decoration:none;display:inline-block}.text-button{color:#1769aa;cursor:pointer;font:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.error{color:#b42318}