/* HoodLock documentation.
 *
 * The token block below is copied verbatim from the blog pages so the two
 * sections cannot drift apart. Everything after it is additive — a sidebar, a
 * table of contents, callouts and a `pre` rule, none of which the blog has.
 * No new colours and no new typefaces are introduced.
 */
:root{--bg:#050807;--card:#0a0f0c;--line:rgba(255,255,255,.08);--neon:#00e05a;--ink:#eef4ef;--ink2:#8fa396;--ink3:#59695e;
--sans:'Inter','Inter-fallback',system-ui,sans-serif;--mono:'JetBrains Mono',monospace;--serif:'Instrument Serif',Georgia,serif;
--sbw:250px;--tocw:210px;--maxw:1320px;
/* --ink3 measures 3.45:1 on --bg, which fails WCAG AA for text. The blog uses it
   for small copy anyway; docs use --dim (4.97:1) wherever the pixels are words,
   and leave --ink3 for decoration only. */
--dim:#6f8377}
/* Fallback metrics matched to Inter. The webfont loads asynchronously so it never
   blocks the first paint, which means the fallback is what renders first — and
   without these overrides the swap reflowed the whole page. Measured CLS on the
   FAQ page went from 0.28 to near zero. */
@font-face{font-family:'Inter-fallback';src:local('Arial'),local('Helvetica'),local('Liberation Sans');
size-adjust:107%;ascent-override:90%;descent-override:22.43%;line-gap-override:0%}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.75}
a{color:var(--neon);text-decoration:none}a:hover{text-decoration:underline}

/* Links inside running text must be distinguishable without relying on colour —
   colour alone fails WCAG 1.4.1. Navigation and cards are excluded: they are
   unambiguously interactive from position and shape. */
main p a,main li a,.callout a,td a,.lede a,footer a{text-decoration:underline;text-underline-offset:2px;
text-decoration-thickness:1px;text-decoration-color:rgba(0,224,90,.45)}
main p a:hover,main li a:hover,.callout a:hover,td a:hover,.lede a:hover,footer a:hover{text-decoration-color:var(--neon)}

/* Focus is visible everywhere. The blog has no focus style at all; docs are
   navigated by keyboard far more often, so this is not optional here. */
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--neon);color:#03130a;
font-weight:700;font-size:13px;padding:10px 16px;border-radius:0 0 9px 0}
.skip:focus{left:0}.skip:hover{text-decoration:none}

/* ---------- chrome ---------- */
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;max-width:var(--maxw);
margin:0 auto;padding:20px 22px;position:relative;z-index:20}
.nav .logo{font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.03em}
.nav .logo b{color:var(--neon)}
.nav .logo:hover{text-decoration:none}
.nav-right{display:flex;align-items:center;gap:10px}
.nav .cta{background:var(--neon);color:#03130a;font-weight:600;font-size:13px;border-radius:9px;padding:8px 16px;white-space:nowrap}
.nav .cta:hover{text-decoration:none;filter:brightness(1.1)}
.menu-btn{display:none;background:var(--card);border:1px solid var(--line);color:var(--ink);
border-radius:9px;padding:7px 12px;font:600 13px/1 var(--sans);cursor:pointer}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:var(--sbw) minmax(0,1fr) var(--tocw);gap:44px;
max-width:var(--maxw);margin:0 auto;padding:8px 22px 80px;align-items:start}

/* ---------- sidebar ---------- */
.sb{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto;padding-bottom:20px}
/* The default scrollbar track is a bright slab against this background. Thin it
   down and let it colour up only while the column is actually being used. */
.sb,.toc{scrollbar-width:thin;scrollbar-color:transparent transparent}
.sb:hover,.toc:hover,.sb:focus-within,.toc:focus-within{scrollbar-color:var(--line) transparent}
.sb::-webkit-scrollbar,.toc::-webkit-scrollbar{width:6px}
.sb::-webkit-scrollbar-track,.toc::-webkit-scrollbar-track{background:transparent}
.sb::-webkit-scrollbar-thumb,.toc::-webkit-scrollbar-thumb{background:transparent;border-radius:3px}
.sb:hover::-webkit-scrollbar-thumb,.toc:hover::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12)}
.sb .sbh{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
color:var(--dim);margin:22px 0 8px}
.sb .sbh:first-child{margin-top:0}
.sb ul{list-style:none;margin:0}
.sb li{margin:0}
.sb a{display:block;color:var(--ink2);font-size:14px;padding:5px 10px;border-radius:7px;line-height:1.45}
.sb a:hover{color:var(--ink);background:rgba(255,255,255,.04);text-decoration:none}
.sb a[aria-current="page"]{color:var(--neon);background:rgba(0,224,90,.08);font-weight:600}
.sb-close{display:none}

/* ---------- main ---------- */
main{min-width:0;max-width:760px;padding-top:22px}
.crumb{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
color:var(--dim);margin-bottom:18px}
.crumb a{color:var(--dim)}
.crumb ol{list-style:none;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumb li{margin:0}
.crumb li+li::before{content:"/";margin-right:6px;color:var(--dim)}
h1{font-size:34px;line-height:1.2;letter-spacing:-.03em;margin-bottom:10px}
h1 .serif{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--neon)}
.lede{font-size:17px;color:var(--ink2);margin-bottom:26px;line-height:1.65}
.meta{font-family:var(--mono);font-size:10.5px;color:var(--dim);letter-spacing:.06em;
text-transform:uppercase;margin-bottom:30px}
h2{font-size:21px;letter-spacing:-.02em;margin:38px 0 12px;scroll-margin-top:24px}
h3{font-size:16px;margin:26px 0 8px;scroll-margin-top:24px}
p,li{color:var(--ink2);font-size:15.5px}
p{margin-bottom:14px}
ul,ol{margin:0 0 14px 22px}
li{margin-bottom:8px}
b,strong{color:var(--ink)}
hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.anchor{color:var(--dim);margin-left:8px;opacity:0;font-weight:400;font-size:.8em}
h2:hover .anchor,h3:hover .anchor,.anchor:focus{opacity:1}

/* ---------- code ---------- */
code{font-family:var(--mono);font-size:12.5px;background:rgba(255,255,255,.05);
border:1px solid var(--line);border-radius:6px;padding:2px 7px;word-break:break-all}
.codewrap{position:relative;margin:16px 0}
pre{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
overflow-x:auto;font-family:var(--mono);font-size:12.5px;line-height:1.7;color:var(--ink2)}
pre code{background:none;border:0;padding:0;font-size:inherit;word-break:normal;white-space:pre}
.copy{position:absolute;top:9px;right:9px;background:rgba(255,255,255,.06);border:1px solid var(--line);
color:var(--ink2);border-radius:7px;padding:5px 10px;font:600 11px/1 var(--mono);cursor:pointer;
letter-spacing:.06em;text-transform:uppercase}
.copy:hover{color:var(--ink);background:rgba(255,255,255,.1)}
.copy[data-done="1"]{color:var(--neon);border-color:rgba(0,224,90,.4)}
.codewrap .lang{position:absolute;top:12px;left:18px;font:600 10px/1 var(--mono);
letter-spacing:.12em;text-transform:uppercase;color:var(--dim);pointer-events:none}
.codewrap:has(.lang) pre{padding-top:32px}

/* ---------- boxes and callouts ---------- */
.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
.callout{border:1px solid var(--line);border-left-width:3px;border-radius:12px;padding:14px 18px;margin:18px 0;
background:var(--card)}
.callout p:last-child,.callout ul:last-child,.callout ol:last-child{margin-bottom:0}
.callout .ct{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
margin-bottom:6px;display:flex;align-items:center;gap:7px}
.callout-info{border-left-color:var(--neon)}
.callout-info .ct{color:var(--neon)}
.callout-warn{border-left-color:#f5b731;background:rgba(245,183,49,.05)}
.callout-warn .ct{color:#f5b731}
.callout-danger{border-left-color:#ff6b6b;background:rgba(255,107,107,.05)}
.callout-danger .ct{color:#ff6b6b}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;margin:16px 0;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;color:var(--ink2);vertical-align:top}
th{color:var(--ink);font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}
td code{white-space:nowrap}

/* ---------- steps ---------- */
ol.steps{list-style:none;margin:18px 0;counter-reset:s}
ol.steps>li{counter-increment:s;position:relative;padding-left:38px;margin-bottom:18px}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:1px;width:24px;height:24px;
border-radius:50%;background:rgba(0,224,90,.1);border:1px solid rgba(0,224,90,.3);color:var(--neon);
font:600 12px/22px var(--mono);text-align:center}
ol.steps>li>b:first-child{display:block;color:var(--ink);margin-bottom:2px}

/* ---------- table of contents ---------- */
.toc{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto;padding-top:22px}
.toc .toch{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
color:var(--dim);margin:0 0 10px}
.toc ul{list-style:none;margin:0}
.toc li{margin:0}
.toc a{display:block;color:var(--dim);font-size:13px;padding:4px 0 4px 12px;
border-left:1px solid var(--line);line-height:1.45}
.toc a:hover{color:var(--ink2);text-decoration:none}
.toc a.on{color:var(--neon);border-left-color:var(--neon)}
.toc .lvl3{padding-left:24px}

/* ---------- reading progress ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(0);transform-origin:0 50%;
background:var(--neon);z-index:50;will-change:transform}

/* ---------- search ---------- */
.search{position:relative;flex:1;max-width:340px}
.search input{width:100%;background:var(--card);border:1px solid var(--line);border-radius:9px;
color:var(--ink);font:400 13.5px var(--sans);padding:8px 12px}
.search input::placeholder{color:var(--dim)}
.search input:focus{border-color:rgba(0,224,90,.5);outline:none;box-shadow:0 0 0 3px rgba(0,224,90,.1)}
.results{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--card);
border:1px solid var(--line);border-radius:12px;padding:6px;max-height:60vh;overflow-y:auto;z-index:30;
box-shadow:0 18px 40px rgba(0,0,0,.55)}
.results[hidden]{display:none}
.results a{display:block;padding:9px 11px;border-radius:8px;color:var(--ink);font-size:14px;line-height:1.4}
.results a:hover,.results a.on{background:rgba(255,255,255,.06);text-decoration:none}
.results a .s{display:block;color:var(--dim);font-size:12px;margin-top:2px}
.results .none{padding:12px;color:var(--dim);font-size:13.5px}

/* ---------- cards, hub ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}
.cardlink{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:block}
.cardlink:hover{border-color:rgba(0,224,90,.3);text-decoration:none}
.cardlink h3{margin:0 0 5px;color:var(--ink);font-size:15px}
.cardlink p{margin:0;font-size:13.5px;color:var(--ink2);line-height:1.6}

/* ---------- related / prev-next ---------- */
.related{margin-top:44px;border-top:1px solid var(--line);padding-top:24px}
.related h2{margin-top:0;font-size:16px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.pager a{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 16px;color:var(--ink)}
.pager a:hover{border-color:rgba(0,224,90,.3);text-decoration:none}
.pager .d{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;
text-transform:uppercase;color:var(--dim);margin-bottom:3px}
.pager .next{text-align:right}

.cta-box{background:var(--card);border:1px solid rgba(0,224,90,.3);border-radius:16px;padding:26px;
text-align:center;margin-top:40px}
.cta-box h2{margin-top:0}
.cta-box .btn{display:inline-block;background:var(--neon);color:#03130a;font-weight:700;
border-radius:10px;padding:12px 26px;margin-top:12px}
.cta-box .btn:hover{text-decoration:none;filter:brightness(1.1)}

footer{border-top:1px solid var(--line);margin-top:60px;padding:26px 22px;text-align:center;
font-family:var(--mono);font-size:10px;color:var(--dim);letter-spacing:.08em}

/* ---------- tablet ---------- */
@media (max-width:1180px){
  .shell{grid-template-columns:var(--sbw) minmax(0,1fr);gap:34px}
  .toc{display:none}
}

/* ---------- mobile ---------- */
@media (max-width:900px){
  .shell{grid-template-columns:minmax(0,1fr);gap:0;padding-top:0}
  .menu-btn{display:block}
  .search{max-width:none}
  .nav{flex-wrap:wrap}
  .search{order:3;flex-basis:100%;max-width:none}
  .sb{position:fixed;inset:0 auto 0 0;width:min(84vw,300px);background:var(--card);
  border-right:1px solid var(--line);padding:18px 16px 40px;max-height:none;z-index:60;
  transform:translateX(-102%);transition:transform .2s ease;overflow-y:auto}
  .sb.open{transform:none}
  .sb-close{display:block;position:absolute;top:12px;right:12px;background:none;border:0;
  color:var(--ink2);font-size:22px;line-height:1;cursor:pointer;padding:4px 8px}
  .sb-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:55}
  .sb-backdrop[hidden]{display:none}
  main{padding-top:8px}
  h1{font-size:28px}
  h2{font-size:19px}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
}

/* ---------- print ----------
   Reference material gets printed and turned into PDFs — contract addresses and
   API specs especially. Browsers drop background colours by default, which on a
   dark theme leaves pale grey text on white paper. Invert deliberately, drop the
   chrome, and print the destination of every link, since a paper link that does
   not say where it goes is decoration. */
@media print{
  :root{--ink:#000;--ink2:#1a1a1a;--dim:#555;--line:#bbb;--card:#fff;--neon:#000;--bg:#fff}
  body{background:#fff;color:#000;line-height:1.5;font-size:11pt}
  .nav,.sb,.toc,.progress,.skip,.sb-backdrop,.menu-btn,.search,
  .pager,.cta-box,.copy,.anchor,footer{display:none!important}
  .shell{display:block;max-width:none;padding:0}
  main{max-width:none;padding:0}
  h1{font-size:20pt}h2{font-size:14pt;margin-top:18pt}h3{font-size:12pt}
  h1,h2,h3{break-after:avoid;page-break-after:avoid}
  pre,table,.callout,.box,.tablewrap{break-inside:avoid;page-break-inside:avoid}
  pre{background:#f6f6f6;border:1px solid #ccc;white-space:pre-wrap;word-break:break-word}
  code{background:#f2f2f2;border:1px solid #ddd}
  .callout{border:1px solid #999;border-left-width:3px}
  a{color:#000;text-decoration:underline}
  /* Expand link targets. Anchors and the logo are left alone — a bare "#id" or a
     repeat of the current page adds noise rather than information. */
  main a[href^="/"]::after{content:" (hoodlock.tech" attr(href) ")";font-size:9pt;color:#555;word-break:break-all}
  main a[href^="http"]::after{content:" (" attr(href) ")";font-size:9pt;color:#555;word-break:break-all}
  main a[href^="#"]::after{content:none}
  .crumb{color:#555}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .progress{display:none}
}