/* systemofgs.com — one stylesheet, no external assets, no scripts. */
:root{
  --bg:#f7f8fb;--fg:#17202a;--muted:#536171;--line:#d7dde8;--accent:#006d77;--accent-2:#0b3d47;
  --card:#ffffff;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0f1418;--fg:#e6ebf0;--muted:#98a4b1;--line:#2a343d;--accent:#5ec8d0;--accent-2:#9adfe4;--card:#161d23}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.wrap{max-width:860px;margin:auto;padding:40px 20px 60px}
a{color:var(--accent)}
a:hover{color:var(--accent-2)}
h1{font-size:2rem;line-height:1.2;margin:16px 0 8px}
h2{font-size:1.2rem;margin:34px 0 8px;border-bottom:1px solid var(--line);padding-bottom:6px}
h3{font-size:1.02rem;margin:22px 0 4px}
p{margin:10px 0}
.muted{color:var(--muted)}
.small{font-size:.92rem}
nav.top{display:flex;flex-wrap:wrap;gap:6px 18px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:.95rem}
nav.top a{text-decoration:none}
nav.top a.here{color:var(--fg);font-weight:600}
.stand{border-top:1px solid var(--line);margin-top:40px;padding-top:12px;font-size:.9rem}
.stand a{margin-right:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:12px 0}
.card h3{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:16px 0}
.grid .card{margin:0}
table{border-collapse:collapse;width:100%;font-size:.95rem;margin:12px 0}
th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600}
.tbl{overflow-x:auto}
code{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:.9em}
pre{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:.88rem;line-height:1.5}
.tag{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:0 9px;font-size:.8rem;color:var(--muted);margin-left:6px}
.warn{border-left:4px solid var(--accent);padding-left:12px}
address{font-style:normal}
.back{display:inline-block;color:var(--muted);text-decoration:none}