body{font:17px/1.55 system-ui,sans-serif;background:#f4f6f8;color:#182b3a;margin:0}main{max-width:850px;margin:2rem auto;padding:2rem;background:white;border-radius:12px}label{display:block;margin:1rem 0}input,select,button{font:inherit;padding:.6rem;border:1px solid #8292a1;border-radius:5px}input:not([type=checkbox]){display:block;max-width:100%;box-sizing:border-box;width:100%}button{background:#123e58;color:white;cursor:pointer}nav{display:flex;gap:1.5rem}a{color:#125479}fieldset{margin:1rem 0;border:1px solid #b6c5cd}p[role=status]{padding:1rem;background:#fff0cd}