:root{color-scheme:light dark;--bg:#fff;--fg:#14171a;--mut:#4a5560;--ac:#0b5fff;--bd:#d5dbe1;--cb:#f3f5f7}
@media (prefers-color-scheme:dark){:root{--bg:#0e1116;--fg:#e8edf2;--mut:#a3afbb;--ac:#7aa7ff;--bd:#2b333d;--cb:#171c23}}
*{box-sizing:border-box}
html{font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
body{margin:0}
.skip{position:absolute;left:-999px;top:0;background:var(--ac);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:0}
header,main,footer{max-width:50rem;margin:0 auto;padding:0 1.1rem}
header{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;align-items:center;justify-content:space-between;padding-top:1rem;padding-bottom:.6rem;border-bottom:1px solid var(--bd)}
.brand{font-weight:700;color:var(--fg);text-decoration:none;font-size:1.1rem}
nav a{margin-right:1rem}
a{color:var(--ac)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--ac);outline-offset:2px}
h1{font-size:2rem;line-height:1.2;margin:1.6rem 0 .6rem}
h2{font-size:1.35rem;margin:2rem 0 .5rem}
p,li{max-width:46rem}
.lead{font-size:1.15rem;color:var(--mut)}
table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}
th,td{border:1px solid var(--bd);padding:.45rem .7rem;text-align:left;vertical-align:top}
th{background:var(--cb)}
code,pre{font:.92rem ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--cb);border-radius:4px}
code{padding:.05rem .3rem}
pre{padding:.8rem 1rem;overflow-x:auto;border:1px solid var(--bd)}
pre code{padding:0;background:none}
.note{border-left:4px solid var(--ac);background:var(--cb);padding:.5rem .9rem;margin:1rem 0}
form{display:grid;gap:.9rem;max-width:34rem}
label{display:grid;gap:.25rem;font-weight:600}
input,textarea{font:inherit;padding:.55rem .65rem;border:1px solid var(--bd);border-radius:6px;background:var(--bg);color:var(--fg)}
button{font:inherit;font-weight:700;padding:.65rem 1.2rem;border:0;border-radius:6px;background:var(--ac);color:#fff;cursor:pointer;justify-self:start}
@media (prefers-color-scheme:dark){button{color:#0e1116}}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
footer{margin-top:3rem;padding-top:1rem;padding-bottom:2rem;border-top:1px solid var(--bd);color:var(--mut);font-size:.92rem}
footer a{margin-right:1rem}