:root{font-family:system-ui,sans-serif;color:#e7eefb;background:#101827;color-scheme:dark}
body{margin:0}main{max-width:920px;margin:auto;padding:24px}header{margin-bottom:24px}
h1{letter-spacing:.06em}section{background:#192439;padding:24px;margin:18px 0;border-radius:14px}
nav{display:flex;gap:12px;flex-wrap:wrap}label{display:block;margin:12px 0;font-size:14px}
input,select{display:block;box-sizing:border-box;min-width:0;width:100%;padding:10px;margin-top:6px;
border:1px solid #50607a;border-radius:6px;background:#101827;color:#fff;font:inherit}
button{padding:11px 16px;border:0;border-radius:8px;background:#9bd0ff;color:#102238;cursor:pointer;margin:8px 6px 0 0;font-weight:600}
button:disabled{opacity:.5;cursor:wait}p{line-height:1.5;color:#bfcee5}.plan{padding:18px 0;border-top:1px solid #3e4e68}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
#message{min-height:24px;color:#ffc98c}#diff p{color:#fff}.muted{font-size:13px;color:#b0bfd6}
[hidden]{display:none!important}