:root{--bg:#FFFFFF;--text:#17141A;--muted:#5E5863;--line:#E9E4DD;--soft:#EAF6F0;--accent:#1E7A52;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0F1512;--text:#EEF3F0;--muted:#A9C4B6;--line:#26302B;--soft:#171D1A;--accent:#8CD5B3;color-scheme:dark}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.65}
a{color:var(--accent)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.wrap{width:min(100% - 2.5rem,46rem);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--bg);padding:.5rem 1rem}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding-block:1rem}
.brand{font-weight:800;font-size:1.3rem;letter-spacing:-.02em;color:var(--text);text-decoration:none}
.brand span{color:var(--accent)}
header nav{display:flex;flex-wrap:wrap;gap:.25rem 1.1rem;font-size:.92rem}
header nav a{color:var(--muted);text-decoration:none}
header nav a:hover,header nav a[aria-current="page"]{color:var(--text);text-decoration:underline}
main{padding:2.5rem 0 3.5rem}
h1{font-size:clamp(1.9rem,1.4rem + 2vw,2.6rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 .75rem}
h2{font-size:1.2rem;margin:2.25rem 0 .5rem}
.updated{color:var(--muted);font-size:.95rem;margin:0 0 2rem}
.lead{font-size:1.15rem;color:var(--muted)}
ul,ol{padding-left:1.25rem}
li{margin:.3rem 0}
table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1rem 0}
th,td{text-align:left;vertical-align:top;padding:.6rem .7rem;border-bottom:1px solid var(--line)}
th{width:34%;font-weight:700}
.box{background:var(--soft);border-left:4px solid var(--accent);padding:.9rem 1.2rem;margin:1.5rem 0}
footer{border-top:1px solid var(--line);padding:1.75rem 0 2.5rem;font-size:.9rem;color:var(--muted)}
footer nav{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;margin-bottom:.75rem}
footer a{color:var(--muted)}
footer p{margin:.2rem 0}