:root{font-family:Inter,system-ui,sans-serif;color:#1e293b;background:#f8fafc}body{margin:0}main{max-width:720px;margin:4rem auto;padding:2rem}header{display:flex;justify-content:space-between;align-items:center}form{display:grid;gap:1rem;max-width:360px}label{display:grid;gap:.4rem;font-weight:600}input,button{font:inherit;padding:.7rem;border-radius:.4rem;border:1px solid #cbd5e1}button{width:fit-content;cursor:pointer;background:#0f766e;color:#fff;border:0}section{background:#fff;padding:1.5rem;border-radius:.75rem;box-shadow:0 1px 3px #0001}dt{font-weight:700;margin-top:1rem}dd{margin:.2rem 0}[role=alert]{color:#b91c1c}