/* ZigProxy - mobile-first, no web fonts, no layout shift */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#ffffff; --bg-alt:#f6f8fa; --bg-sunk:#eef2f6;
  --fg:#14181f; --fg-soft:#4b5563; --fg-faint:#6b7280;
  --line:#dfe4ea; --line-soft:#eaeef3;
  --brand:#0b5fbd; --brand-ink:#084a95; --brand-bg:#e9f1fb;
  --warn-bg:#fff6e6; --warn-line:#f0c36d;
  --dan-bg:#fdecec; --dan-line:#e7a3a3;
  --ok-bg:#e9f7ef; --ok-line:#8fd0ac;
  --code-bg:#f4f6f8; --code-fg:#1b2430;
  --radius:10px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --maxw:44rem;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0d1117; --bg-alt:#151b23; --bg-sunk:#1b222c;
    --fg:#e6edf3; --fg-soft:#b3bfcc; --fg-faint:#8b97a5;
    --line:#2a323d; --line-soft:#222933;
    --brand:#6cb2ff; --brand-ink:#9ccbff; --brand-bg:#12263e;
    --warn-bg:#2d2413; --warn-line:#6b5320;
    --dan-bg:#2e1a1a; --dan-line:#6e3434;
    --ok-bg:#12261b; --ok-line:#2f6844;
    --code-bg:#161c24; --code-fg:#dbe4ee;
  }
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);
  font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--brand);text-underline-offset:.15em}
a:hover{color:var(--brand-ink)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:.6rem 1rem;z-index:99}
.skip:focus{left:0}

/* header */
.site-head{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20}
.bar{max-width:74rem;margin:0 auto;display:flex;align-items:center;gap:.75rem;padding:.6rem 1rem}
.logo{display:inline-flex;align-items:center;gap:.45rem;font-weight:700;font-size:1.12rem;
  color:var(--fg);text-decoration:none;letter-spacing:-.01em;flex:0 0 auto}
.logo b{color:var(--brand);font-weight:800}
.logo-mark{width:1.35rem;height:1.35rem;color:var(--brand);flex:0 0 auto}
.mainnav{flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);
  mask-image:linear-gradient(90deg,#000 88%,transparent)}
.mainnav::-webkit-scrollbar{display:none}
.mainnav ul{display:flex;gap:.15rem;list-style:none;margin:0;padding:0}
.mainnav a{display:block;white-space:nowrap;padding:.6rem .55rem;border-radius:7px;
  font-size:.9rem;font-weight:550;color:var(--fg-soft);text-decoration:none}
.mainnav a:hover{background:var(--bg-alt);color:var(--fg)}
.mainnav a[aria-current]{color:var(--brand);background:var(--brand-bg)}
.searchlink{flex:0 0 auto;display:grid;place-items:center;width:2.5rem;height:2.5rem;
  border:1px solid var(--line);border-radius:8px;color:var(--fg-soft)}
.searchlink svg{width:1.05rem;height:1.05rem}
.searchlink:hover{background:var(--bg-alt);color:var(--fg)}

/* breadcrumbs */
.crumbs{max-width:74rem;margin:0 auto;padding:.7rem 1rem 0;font-size:.82rem;color:var(--fg-faint)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.3rem;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:.3rem;color:var(--line)}
.crumbs a{color:var(--fg-faint)}

/* layout */
main{max-width:74rem;margin:0 auto;padding:1rem 1rem 3rem}
.layout{display:block}
.rail{display:none}
.prose{max-width:var(--maxw)}
body.wide .prose,body.wide main>*{max-width:none}
body.wide .prose>p,body.wide .prose>h2,body.wide .prose>h3,
body.wide .prose>ol,body.wide .prose>ul:not(.cardlist):not(.hubgrid):not(.pills),
body.wide .hero .deck,body.wide .prose>.callout{max-width:46rem}

.page-head{margin:.5rem 0 1.6rem}
.eyebrow{margin:0 0 .4rem;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;
  font-weight:700;color:var(--brand)}
.eyebrow a{color:inherit;text-decoration:none}
.eyebrow a:hover{text-decoration:underline}
h1{font-size:clamp(1.85rem,5.2vw,2.6rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 .6rem;font-weight:800}
.deck{font-size:1.13rem;color:var(--fg-soft);margin:0 0 .8rem;line-height:1.55}
.meta{font-size:.85rem;color:var(--fg-faint);margin:0;border-top:1px solid var(--line-soft);padding-top:.7rem}

.prose h2{font-size:1.45rem;line-height:1.25;letter-spacing:-.015em;margin:2.4rem 0 .7rem;font-weight:750;scroll-margin-top:4.5rem}
.prose h3{font-size:1.14rem;line-height:1.3;margin:1.9rem 0 .5rem;font-weight:700;scroll-margin-top:4.5rem}
.prose h4{font-size:1rem;margin:1.4rem 0 .4rem;font-weight:700;color:var(--fg-soft);scroll-margin-top:4.5rem}
.prose p{margin:0 0 1rem}
.prose ul,.prose ol{margin:0 0 1.1rem;padding-left:1.35rem}
.prose li{margin:.35rem 0}
.prose li>ul,.prose li>ol{margin:.35rem 0 .2rem}
.anchor{margin-left:.4rem;color:var(--line);text-decoration:none;font-weight:400;opacity:0}
h2:hover .anchor,h3:hover .anchor,h4:hover .anchor,.anchor:focus{opacity:1;color:var(--brand)}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
blockquote{margin:1.2rem 0;padding:.1rem 0 .1rem 1rem;border-left:3px solid var(--line);color:var(--fg-soft)}

code{font-family:var(--mono);font-size:.875em;background:var(--code-bg);color:var(--code-fg);
  padding:.12em .34em;border-radius:5px;border:1px solid var(--line-soft);word-break:break-word}
figure.code{margin:1.1rem 0;position:relative;background:var(--code-bg);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden}
figure.code pre{margin:0;padding:.95rem 1rem;overflow-x:auto;font-size:.86rem;line-height:1.6}
figure.code code{background:none;border:0;padding:0;font-size:inherit;color:var(--code-fg)}
.code-lang{position:absolute;top:0;right:0;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.06em;text-transform:uppercase;color:var(--fg-soft);
  background:var(--bg-sunk);padding:.15rem .5rem;border-radius:0 0 0 7px;border-left:1px solid var(--line);border-bottom:1px solid var(--line)}

.table-wrap{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(90deg,var(--bg) 30%,transparent),
             linear-gradient(90deg,transparent,var(--bg) 70%) 100% 0,
             radial-gradient(farthest-side at 0 50%,rgba(0,0,0,.14),transparent),
             radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,.14),transparent) 100% 0;
  background-repeat:no-repeat;background-size:44px 100%,44px 100%,14px 100%,14px 100%;
  background-attachment:local,local,scroll,scroll}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:34rem}
th,td{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{background:var(--bg-alt);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--fg-soft);white-space:nowrap;border-bottom:1px solid var(--line)}
tbody th{font-weight:650}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}

.callout{margin:1.3rem 0;padding:.9rem 1rem;border:1px solid var(--line);border-left-width:4px;
  border-radius:var(--radius);background:var(--bg-alt);font-size:.97rem}
.callout p:last-child,.callout ul:last-child,.callout ol:last-child{margin-bottom:0}
.callout-title{font-weight:700;margin:0 0 .35rem!important}
.callout-note{background:var(--brand-bg);border-left-color:var(--brand)}
.callout-warn{background:var(--warn-bg);border-left-color:var(--warn-line)}
.callout-danger{background:var(--dan-bg);border-left-color:var(--dan-line)}
.callout-tip{background:var(--ok-bg);border-left-color:var(--ok-line)}
.callout-insight{background:var(--bg-alt);border-left-color:var(--brand)}

.takeaways{margin:1.5rem 0 2rem;padding:1rem 1.1rem;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius)}
.takeaways h2{font-size:.78rem!important;letter-spacing:.1em;text-transform:uppercase;
  margin:0 0 .55rem!important;color:var(--fg-soft)}
.takeaways ul{margin:0;padding-left:1.15rem;font-size:.97rem}
.takeaways li{margin:.4rem 0}

/* toc */
.toc{font-size:.9rem}
.toc h2{font-size:.75rem!important;letter-spacing:.1em;text-transform:uppercase;
  color:var(--fg-faint);margin:0 0 .5rem!important;font-weight:700}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{margin:.05rem 0;counter-increment:toc}
.toc a{display:block;padding:.4rem .5rem;border-radius:6px;color:var(--fg-soft);text-decoration:none;line-height:1.4}
.toc a::before{content:counter(toc) ". ";color:var(--fg-faint)}
.toc a:hover{background:var(--bg-alt);color:var(--fg)}
.toc a.active{color:var(--brand);background:var(--brand-bg);font-weight:600}
.toc-mobile{margin:0 0 1.6rem;padding:.9rem 1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-alt)}

/* cards */
.cardlist{list-style:none;margin:1.1rem 0;padding:0;display:grid;gap:.7rem}
.cardlist a{display:block;padding:.85rem 1rem;border:1px solid var(--line);border-radius:var(--radius);
  text-decoration:none;background:var(--bg);transition:border-color .12s,background .12s}
.cardlist a:hover{border-color:var(--brand);background:var(--bg-alt)}
.ct{display:block;font-weight:670;color:var(--fg);line-height:1.35;margin-bottom:.2rem}
.cd{display:block;font-size:.9rem;color:var(--fg-soft);line-height:1.5}
.cardlist a:hover .ct{color:var(--brand)}
.linklist{list-style:none;margin:1rem 0;padding:0;display:grid;gap:.1rem}
.linklist a{display:block;padding:.45rem .6rem;border-radius:7px;text-decoration:none;color:var(--fg-soft);font-size:.95rem}
.linklist a:hover{background:var(--bg-alt);color:var(--brand)}
.linklist a::before{content:"\2192";margin-right:.5rem;color:var(--fg-faint)}

.sources{margin-top:2.6rem;padding-top:.4rem;border-top:1px solid var(--line)}
.sources ol{font-size:.9rem;color:var(--fg-soft)}
.sources p{font-size:.92rem;color:var(--fg-soft)}
.page-trust{margin:2rem 0 0;padding:.9rem 1rem;border:1px dashed var(--line);border-radius:var(--radius);
  font-size:.88rem;color:var(--fg-soft)}
.page-trust p{margin:0}
.related,.cluster{margin-top:2.4rem}

/* home */
.hero{padding:2rem 0 1.2rem;border-bottom:1px solid var(--line);margin-bottom:2rem}
.hero h1{max-width:18ch}
.hero .deck{max-width:62ch;font-size:1.16rem}
.pills{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:1.2rem 0 0}
.pills a{display:block;padding:.35rem .7rem;border:1px solid var(--line);border-radius:999px;
  font-size:.84rem;text-decoration:none;color:var(--fg-soft);background:var(--bg-alt)}
.pills a:hover{border-color:var(--brand);color:var(--brand)}
.hubgrid{list-style:none;padding:0;margin:1.2rem 0;display:grid;gap:.8rem}
.hubgrid a{display:block;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:var(--radius);
  text-decoration:none;background:var(--bg)}
.hubgrid a:hover{border-color:var(--brand);background:var(--bg-alt)}
.hubgrid .ct{font-size:1.05rem}
.stats{list-style:none;display:grid;gap:.6rem;padding:0;margin:1.4rem 0}
.stats li{padding:.8rem 1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-alt)}
.stats b{display:block;font-size:1.5rem;line-height:1.1;color:var(--brand);letter-spacing:-.02em}
.stats span{font-size:.88rem;color:var(--fg-soft)}

/* tools */
.toolbox{margin:0 0 2rem;padding:1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-alt)}
.toolbox h2{margin-top:0!important;font-size:1.05rem!important}
.field{margin:0 0 .85rem}
.field label{display:block;font-size:.85rem;font-weight:650;margin-bottom:.3rem;color:var(--fg-soft)}
.field .hint{display:block;font-weight:400;font-size:.8rem;color:var(--fg-faint);margin-top:.15rem}
input[type=text],input[type=search],textarea,select{
  width:100%;font-family:var(--mono);font-size:1rem;padding:.55rem .65rem;
  border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
textarea{resize:vertical;min-height:5rem;line-height:1.5}
select{font-family:var(--sans)}
button{font:inherit;font-size:.92rem;font-weight:650;padding:.6rem 1rem;min-height:2.75rem;
  border-radius:8px;border:1px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer}
button:hover{background:var(--brand-ink);border-color:var(--brand-ink)}
button.ghost{background:transparent;color:var(--fg-soft);border-color:var(--line)}
button.ghost:hover{background:var(--bg-sunk);color:var(--fg)}
.btnrow{display:flex;flex-wrap:wrap;gap:.5rem;margin:.2rem 0 0}
.out{margin-top:1rem;padding:.85rem 1rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);
  font-family:var(--mono);font-size:.82rem;white-space:pre;overflow-x:auto;line-height:1.6;
  -webkit-overflow-scrolling:touch}
.out:empty{display:none}
.res-ok{color:#137a3d;font-weight:700}
.res-bad{color:#b3261e;font-weight:700}
@media (prefers-color-scheme:dark){.res-ok{color:#5fd18d}.res-bad{color:#ff8f86}}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;font-family:var(--mono);font-size:.86rem}
.kv dt{color:var(--fg-faint)}
.kv dd{margin:0;word-break:break-all}
.tl-row{display:grid;grid-template-columns:1fr 1fr 2.75rem;gap:.45rem;align-items:end}
.tl-row .tl-name{grid-column:1/-1}
@media (min-width:34rem){
  .tl-row{grid-template-columns:1fr 6rem 5rem 2.75rem}
  .tl-row .tl-name{grid-column:auto}
}
.searchbox{margin:0 0 1.5rem}
.searchbox label{position:absolute;left:-9999px}
.searchbox input{font-family:var(--sans);font-size:1.05rem;padding:.7rem .9rem}
.sresult{display:block;padding:.7rem .2rem;border-bottom:1px solid var(--line-soft);text-decoration:none}
.sresult:hover{background:var(--bg-alt)}
.sresult .ct{margin-bottom:.15rem}
.sresult .sh{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-faint)}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--bg-alt);padding:2.2rem 1rem 2rem;margin-top:2rem}
.foot-grid{max-width:74rem;margin:0 auto;display:grid;gap:1.6rem}
.foot-grid h2{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--fg-faint);margin:0 0 .6rem}
.foot-grid ul{list-style:none;margin:0;padding:0;font-size:.92rem}
.foot-grid li{margin:.3rem 0}
.foot-grid a{color:var(--fg-soft);text-decoration:none}
.foot-grid a:hover{color:var(--brand);text-decoration:underline}
.foot-brand p{font-size:.9rem;color:var(--fg-soft);margin:.6rem 0 0;max-width:36ch}
.foot-legal{max-width:74rem;margin:1.8rem auto 0;padding-top:1.1rem;border-top:1px solid var(--line);
  font-size:.8rem;color:var(--fg-faint)}

@media (min-width:48rem){
  body{font-size:1.09rem}
  input[type=text],input[type=search],textarea,select{font-size:.9rem}
  .out{font-size:.87rem}
  main{padding:1.4rem 1.5rem 4rem}
  .bar,.crumbs{padding-left:1.5rem;padding-right:1.5rem}
  .cardlist{grid-template-columns:1fr 1fr}
  .hubgrid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1fr}
}
@media (min-width:64rem){
  .layout{display:grid;grid-template-columns:minmax(0,var(--maxw)) 15rem;gap:3rem;align-items:start}
  .rail{display:block;position:sticky;top:4.6rem;max-height:calc(100vh - 6rem);overflow-y:auto;
    padding-left:1.2rem;border-left:1px solid var(--line-soft)}
  .toc-mobile{display:none}
  .hubgrid{grid-template-columns:repeat(3,1fr)}
}
@media print{.site-head,.site-foot,.rail,.crumbs{display:none}}