/* Self-hosted Red Hat superfamily — the same /fonts/ files the app uses.
   Display for headings, Text for body, Mono strictly for file extensions. */
@font-face{font-family:'Red Hat Text';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/red-hat-text-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Text';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/red-hat-text-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Text';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/red-hat-text-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Text';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/red-hat-text-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Display';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/red-hat-display-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Display';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/red-hat-display-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Display';font-style:normal;font-weight:800;font-display:swap;src:url('/fonts/red-hat-display-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Red Hat Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/red-hat-mono-latin-400-normal.woff2') format('woff2')}
:root{
  color-scheme:dark;
  --bg:#121215; --surface:#1B1B1F; --surface-2:#24242A; --surface-3:#2D2D34;
  --border:#33333A; --border-strong:#55555F;
  --text:#F4F4F6; --muted:#ABABB5; --faint:#9E9EA9;
  --accent:#FF7A2E; --accent-2:#FF9457; --accent-soft:rgba(255,122,46,.12);
  --accent-text:#FF8E4D; --btn-ink:#1A0C03;   /* values live in app.css — see the a11y notes there */
  --accent-line:rgba(255,122,46,.24); --accent-line-hi:rgba(255,148,87,.48);
  --shadow:0 1px 2px rgba(0,0,0,.30),0 4px 14px rgba(0,0,0,.16);
  --r:12px;
  --font-display:'Red Hat Display',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  --font-body:'Red Hat Text',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  --dw:600; --dw-logo:700; --dw-hero:800; --dls:-0.02em;
}
[data-theme="light"]{
  color-scheme:light;
  --bg:#F7F7F8; --surface:#FFFFFF; --surface-2:#EFEFF1; --surface-3:#E8E8EA;
  --border:#E3E3E7; --border-strong:#CFCFD4;
  --text:#1B1B1E; --muted:#5D5D66; --faint:#5D5D66;
  --accent:#EC6320; --accent-2:#F5732B; --accent-soft:rgba(236,99,32,.07);
  --accent-text:#AC3D09; --btn-ink:#180B03;
  --accent-line:rgba(236,99,32,.14); --accent-line-hi:rgba(245,115,43,.30);
  --shadow:0 1px 2px rgba(20,20,24,.05),0 3px 10px rgba(20,20,24,.05);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-y:scroll;scrollbar-gutter:stable}
/* Scrollbars — dark inset pill that rests inside the container, not over it */
*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}
*::-webkit-scrollbar{width:12px;height:12px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background-color:var(--border-strong);background-clip:padding-box;border:3px solid transparent;border-radius:999px;min-height:40px}
*::-webkit-scrollbar-thumb:hover{background-color:var(--muted)}
*::-webkit-scrollbar-corner{background:transparent}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip;transition:background .3s,color .3s}
::selection{background:var(--accent);color:var(--btn-ink)}
h1,h2,h3{font-family:var(--font-display);font-weight:var(--dw);letter-spacing:var(--dls);line-height:1.1}
.mono{font-family:'Red Hat Mono',ui-monospace,'Cascadia Mono','Segoe UI Mono',Consolas,Menlo,monospace}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:6px}
button{font-family:inherit;color:inherit;cursor:pointer}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;
  border-radius:10px;font-weight:600;font-size:14.5px;border:1px solid transparent;transition:all .16s;white-space:nowrap}
.btn-quiet{background:transparent;border-color:var(--border-strong);color:var(--text)}
.btn-quiet:hover{border-color:var(--muted);background:var(--surface-2)}

.logo{display:flex;align-items:center;gap:7px;font-family:var(--font-display);font-weight:var(--dw-logo);font-size:20px}
.brand-lockup{display:inline-flex;align-items:center;line-height:0;color:var(--text)}
.brand-lockup svg{height:1.07em;width:auto;display:block;overflow:visible}
.brand-lockup .bl-nib{display:none}
.icon-btn{width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:transparent;
  display:flex;align-items:center;justify-content:center;transition:all .15s}
.icon-btn:hover{border-color:var(--border-strong);background:var(--surface-2)}
.icon-btn svg{width:17px;height:17px}
.topbar-chip{font-family:var(--font-body);font-size:13.5px;font-weight:600;line-height:1;
  display:inline-flex;align-items:center;white-space:nowrap;padding:7px 13px;border-radius:8px;
  border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;
  transition:border-color .15s,color .15s,background .15s}
.topbar-chip:hover{border-color:var(--border-strong);color:var(--text);background:var(--surface-2)}
.beta-tag{letter-spacing:0;text-transform:none}

/* topbar — matches the app */
.topbar{position:sticky;top:0;z-index:40;height:58px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  padding:0 22px;background:var(--bg);
  border-bottom:1px solid var(--border)}
.topbar .logo{justify-self:start}
.topbar-right{justify-self:end;display:flex;align-items:center;gap:12px}

/* ambient contour backdrop — matches the app */
.page-topo{position:absolute;top:0;left:0;right:0;height:340px;overflow:hidden;pointer-events:none;z-index:0;opacity:.5;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.5) 55%,transparent 96%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.5) 55%,transparent 96%)}
.page-topo canvas{width:100%;height:100%;display:block}

.view{position:relative;z-index:1}
.wrap{max-width:800px;margin:0 auto;padding:60px 26px 80px}
.doc-head{margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.doc-head h1{font-weight:var(--dw-hero);font-size:40px;margin-bottom:14px}
.doc-meta{color:var(--muted);font-size:13.5px;display:flex;gap:18px;flex-wrap:wrap}
.doc-meta .quiet-tag{color:var(--faint);font-size:12px}
.intro{color:var(--muted);font-size:15px;margin-top:20px;line-height:1.6}

.toc{margin:26px 0 6px}
.toc-title{font-family:var(--font-body);font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.toc ol{list-style:none;counter-reset:t;columns:2;column-gap:36px}
.toc li{counter-increment:t;margin-bottom:7px;break-inside:avoid}
.toc li a{color:var(--muted);font-size:13.5px}
.toc li a:hover{color:var(--text)}
.toc li a::before{content:counter(t) ".";font-family:var(--font-body);font-size:12px;color:var(--faint);margin-right:8px}

section{margin-top:32px}
section h2{font-size:19px;margin-bottom:12px}
section h3{font-size:15px;margin:18px 0 8px;color:var(--text);font-family:var(--font-body);font-weight:600}
section p{color:var(--muted);margin-bottom:13px;line-height:1.6}
section p strong,section li strong{color:var(--text);font-weight:600}
section ul{list-style:none;margin:6px 0 15px}
section li{position:relative;padding-left:18px;margin-bottom:9px;color:var(--muted);line-height:1.6}
section li::before{content:"";position:absolute;left:2px;top:9px;width:5px;height:5px;border-radius:1px;background:var(--faint)}
/* --accent-text, not --accent-2: prose links must clear 4.5:1 (app a11y rule) */
section a{color:var(--accent-text);border-bottom:1px solid var(--accent-line-hi)}
section a:hover{border-color:var(--accent-2)}

/* footer — matches the app */
.app-footer{border-top:1px solid var(--border);margin-top:48px;background:var(--surface)}
.footer-inner{max-width:1080px;margin:0 auto;padding:42px 26px 30px}
.footer-cols{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.2fr 1fr;gap:28px;margin-bottom:34px}
.footer-brand p{color:var(--muted);font-size:13px;margin-top:12px;max-width:26ch}
.footer-col h4,.footer-col .footer-h{font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-family:var(--font-body)}
.footer-col a{display:block;font-size:13.5px;color:var(--muted);padding:4px 0;transition:color .15s}
.footer-col a:hover{color:var(--text)}
.footer-base{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid var(--border);font-size:12.5px;color:var(--faint)}
.footer-base .quiet-tag{font-size:11.5px}
.footer-base a{color:var(--muted)}
.footer-base a:hover{color:var(--text)}

@media(max-width:880px){ .footer-cols{grid-template-columns:1fr 1fr} }
@media(max-width:640px){
  .wrap{padding:44px 20px 60px}
  .doc-head h1{font-size:31px}
  .toc ol{columns:1}
  .topbar{padding:0 14px}
}
@media(max-width:600px){ .beta-tag{display:none}
  .brand-lockup .bl-full{display:none} .brand-lockup .bl-nib{display:block} } /* same breakpoint as the app */

/* A11y 1.4.1: prose links are underlined, not colour-only. */
.legal-body p a,.legal-body li a,.legal-note a{text-decoration:underline;text-underline-offset:2px}