@font-face{font-family:"FK Grotesk Neue";src:url("/fonts/FKGroteskNeue-Light.otf") format("opentype");font-weight:300;font-display:swap}
  @font-face{font-family:"FK Grotesk Neue";src:url("/fonts/FKGroteskNeue-Regular.otf") format("opentype");font-weight:400;font-display:swap}
  @font-face{font-family:"FK Grotesk Neue";src:url("/fonts/FKGroteskNeue-Medium.otf") format("opentype");font-weight:500;font-display:swap}
  @font-face{font-family:"FK Grotesk Neue";src:url("/fonts/FKGroteskNeue-Bold.otf") format("opentype");font-weight:700;font-display:swap}
  @font-face{font-family:"FK Roman";src:url("/fonts/FKRoman-Light.otf") format("opentype");font-weight:300;font-display:swap}
  @font-face{font-family:"FK Roman";src:url("/fonts/FKRoman-Regular.otf") format("opentype");font-weight:400;font-display:swap}
  @font-face{font-family:"FK Roman";src:url("/fonts/FKRoman-Medium.otf") format("opentype");font-weight:500;font-display:swap}
  @font-face{font-family:"FK Roman";src:url("/fonts/FKRoman-Italic.otf") format("opentype");font-weight:400;font-style:italic;font-display:swap}

:root{
  --paper:#FFFFFF; --ink:#111318; --ink-2:#6B7280; --line:#E8EAEE; --pill:#F3F4F6; --code-bg:#F6F7F9;
  --panel:#0C1117; --panel-ink:#E6EDF3; --panel-dim:#7D8590; --panel-ok:#58A6FF;
  --sans:"FK Grotesk Neue",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"FK Roman",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){ --paper:#0B0E14; --ink:#EDF1F7; --ink-2:#8B94A5; --line:#1E2430; --pill:#141925; --code-bg:#11161F; }
}
:root[data-theme="dark"]{ --paper:#0B0E14; --ink:#EDF1F7; --ink-2:#8B94A5; --line:#1E2430; --pill:#141925; --code-bg:#11161F; }

html,body{margin:0}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.55;padding-inline:20px;-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;padding-block:18px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none}
.brand .mark{width:30px;height:30px;display:block}
.brand .word{height:22px;width:auto;display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand .word{filter:invert(1)}}
:root[data-theme="dark"] .brand .word{filter:invert(1)}
nav{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--ink-2)}
nav a{color:inherit;text-decoration:none}
nav a[aria-current]{color:var(--ink)}
nav a:hover,nav a:focus-visible{color:var(--ink);outline:none}
nav .btn{background:var(--pill);color:var(--ink);padding:8px 14px;border-radius:8px;font-weight:500}
footer{border-top:1px solid var(--line);padding-block:22px 40px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ink-2);justify-content:space-between;font-weight:300}
footer a{color:inherit;text-decoration:none} footer a:hover{color:var(--ink)}

/* page shell */
.page{max-width:720px;margin:0 auto;padding-block:56px 80px}
.page h1{font-family:var(--serif);font-weight:400;font-size:clamp(34px,5vw,46px);line-height:1.05;letter-spacing:-.03em;margin:0 0 10px}
.page .meta{color:var(--ink-2);font-weight:300;font-size:14px;margin:0 0 40px}
.page h2{font-family:var(--serif);font-weight:500;font-size:20px;letter-spacing:-.015em;margin:40px 0 10px}
.page h3{font-family:var(--serif);font-weight:500;font-size:16px;margin:26px 0 6px}
.page p,.page li{max-width:66ch}
.page p{margin:0 0 12px}
.page ul{padding-left:18px;margin:0 0 12px}
.page li{margin:0 0 4px}
.page a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line)}
.page a:hover{text-decoration-color:var(--ink)}
.page code{font-family:var(--mono);font-size:.88em;background:var(--code-bg);padding:1px 5px;border-radius:4px}
.page pre{background:var(--panel);color:var(--panel-ink);padding:14px 16px;border-radius:8px;overflow-x:auto;font:13px/1.55 var(--mono);margin:0 0 14px}
.page pre code{background:none;padding:0;font-size:inherit;color:inherit}
.page pre b{color:var(--panel-ok);font-weight:500}
.page table{border-collapse:collapse;width:100%;font-size:14.5px;margin:0 0 14px}
.page th{text-align:left;font-weight:500;color:var(--ink-2);font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;padding:0 12px 8px 0;border-bottom:1px solid var(--line)}
.page td{padding:9px 12px 9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.page details{margin:8px 0 0}
.page summary{cursor:pointer;color:var(--ink-2);font-size:14px;font-weight:300}
.page .kv{display:grid;grid-template-columns:150px 1fr;gap:8px 16px;font-size:15px;margin:0 0 14px}
.page .kv b{font-weight:500}
.page .note{border-left:2px solid var(--ink);padding:6px 14px;color:var(--ink-2);font-weight:300;margin:0 0 20px}
.page .cta{display:inline-block;background:var(--ink);color:var(--paper);text-decoration:none;padding:10px 16px;border-radius:8px;font-weight:500;font-size:15px}
.page .tool{border-top:1px solid var(--line);padding-block:22px}
.page .tool h3{margin:0 0 6px;font-family:var(--mono);font-weight:500;font-size:15px}
.page .tool p{margin:0 0 6px;color:var(--ink-2);font-weight:300}
.page .toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.page .toc a{font-size:13px;background:var(--pill);padding:5px 10px;border-radius:6px;text-decoration:none;color:var(--ink-2)}
.page .toc a:hover{color:var(--ink)}
@media (max-width:820px){ nav a:not(.btn){display:none} .page{padding-block:36px 56px} .page .kv{grid-template-columns:1fr;gap:2px 0} .page .kv b{margin-top:8px} .page table{display:block;overflow-x:auto} }