:root{font-family:system-ui,sans-serif;color:#e9efff;background:#0e172b;color-scheme:dark}
body{margin:0;padding:3rem 1.5rem}main{max-width:850px;margin:auto}.eyebrow{letter-spacing:.16em;color:#83d9cb;font-weight:700;font-size:.8rem}h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.12}p{line-height:1.65}#region{padding:1rem;background:#213656;border-left:4px solid #83d9cb}button{border:0;border-radius:6px;padding:.8rem 1.1rem;background:#83d9cb;color:#10202e;font-weight:700;cursor:pointer}button:disabled{opacity:.5;cursor:default}label,textarea{display:block}textarea{box-sizing:border-box;width:100%;margin:1rem 0;padding:1rem;font:inherit;background:#182741;color:inherit;border:1px solid #8194b1;border-radius:6px}section{margin-top:2rem;padding:1rem 1.5rem;background:#182741;border-radius:8px}#answer{white-space:pre-wrap;overflow-wrap:anywhere}.note{font-size:.85rem;color:#b8c5de}