/* 0xSoftBoi — light essay theme. Restraint over chrome. */

:root{
  --bg:#fbfaf7;
  --text:#1b1b1a;
  --muted:#5f5e57;           /* ~6:1 on --bg (was #73726b, bare 4.6:1) */
  --rule:#e7e3da;
  --accent:#a23c24;          /* warm, sparing */
  --accent-ink:#7c2c18;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --measure:680px;
}

@media (prefers-color-scheme:dark){
  :root{
    --bg:#16161a;--text:#e8e6df;--muted:#9b9a92;--rule:#2c2c33;
    --accent:#e0936f;--accent-ink:#eaa886;
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:18px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-wrap:pretty;hanging-punctuation:first;
}
::selection{background:var(--accent);color:var(--bg)}

/* keyboard focus — visible on every interactive element */
a:focus-visible,.nav-links a:focus-visible,.post-link:focus-visible,.brand:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:2px;text-decoration:none
}

/* inline tag links in post meta read subtly until hovered */
.post-meta a{color:inherit;text-decoration:none}
.post-meta a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:2px}

.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--bg);padding:6px 10px;z-index:10}

/* ---- shell ---- */
.container{max-width:var(--measure);margin:0 auto;padding:0 24px}
.site-header{max-width:var(--measure);margin:0 auto;padding:34px 24px 8px}
.nav{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.brand{font-family:var(--serif);font-size:1.15rem;font-weight:600;letter-spacing:-.01em;text-decoration:none;color:var(--text)}
.brand:hover{color:var(--accent)}
.nav-links{display:flex;gap:18px;font-size:.86rem}
.nav-links a{color:var(--muted);text-decoration:none}
.nav-links a:hover{color:var(--accent)}

.site-footer{
  max-width:var(--measure);margin:64px auto 48px;padding:18px 24px 0;
  border-top:1px solid var(--rule);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.82rem;color:var(--muted)
}
.site-footer a{color:var(--muted)}

/* ---- links ---- */
a{color:var(--accent);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--accent-ink);text-decoration:underline;text-underline-offset:2px}

/* ---- typography ---- */
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.012em;line-height:1.2;text-wrap:balance}
main h1{font-size:clamp(1.7rem,1.3rem+1.8vw,2rem);margin:34px 0 6px}
main h2{font-size:1.18rem;margin:44px 0 4px;color:var(--text)}
p{margin:0 0 16px}

/* ---- homepage intro ---- */
.lede{font-family:var(--serif);font-size:clamp(1.18rem,1.04rem+0.7vw,1.36rem);line-height:1.45;margin:26px 0 8px;color:var(--text)}
.lede strong{font-weight:600}

/* ---- writing list ---- */
.posts{list-style:none;margin:6px 0 0;padding:0}
.posts li{padding:16px 0;border-bottom:1px solid var(--rule)}
.posts li:first-child{border-top:1px solid var(--rule)}
.post-link{font-family:var(--serif);font-size:1.22rem;font-weight:600;color:var(--text)}
.post-link:hover{color:var(--accent)}
.post-meta{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-top:4px;text-transform:lowercase;letter-spacing:.02em}
.post-excerpt{color:var(--muted);font-size:.96rem;margin:8px 0 0}

/* ---- selected work ---- */
.work-list{list-style:none;margin:6px 0 0;padding:0}
.work-list li{padding:11px 0;color:var(--muted);font-size:.98rem;border-bottom:1px solid var(--rule)}
.work-list li:first-child{border-top:1px solid var(--rule)}
.work-list a{font-weight:500}
.work-list .tag{font-family:var(--mono);font-size:.66rem;color:var(--accent);border:1px solid var(--rule);border-radius:3px;padding:1px 6px;margin-left:6px;text-transform:uppercase;letter-spacing:.04em;vertical-align:1px}
.more{font-size:.9rem;color:var(--muted);margin-top:16px}

/* ---- about page ---- */
.about p{color:var(--text)}
.about ul{margin:6px 0 16px;padding-left:1.1em}
.about li{margin:6px 0;color:var(--text)}
.about .quiet{color:var(--muted);font-size:.9rem}

/* ---- post (essay) ---- */
.post{padding-top:8px}
.back{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.post-title{font-size:clamp(1.7rem,1.25rem+2vw,2.15rem);margin:18px 0 6px;line-height:1.15}
.post .post-meta{margin-bottom:30px}
.post-body{font-family:var(--serif);font-size:1.18rem;line-height:1.7}
.post-body h2{font-size:1.4rem;margin:34px 0 10px}
.post-body a{text-decoration:underline;text-underline-offset:2px}
.post-body blockquote{margin:22px 0;padding:2px 0 2px 20px;border-left:3px solid var(--accent);color:var(--muted);font-style:italic}
.post-body code{font-family:var(--mono);font-size:.82em;background:rgba(0,0,0,.05);padding:.1em .35em;border-radius:3px}
@media (prefers-color-scheme:dark){.post-body code{background:rgba(255,255,255,.12)}}

/* ---- tables (audit findings, research) ---- */
.post-body table,.about table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.92rem}
.post-body th,.about th{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);text-align:left;padding:8px 12px;border-bottom:1px solid var(--rule)}
.post-body td,.about td{padding:9px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
.post-body tr:last-child td,.about tr:last-child td{border-bottom:none}

/* ---- images & figures (screenshots, diagrams) ---- */
.post-body img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--rule)}
.post-body figure{margin:24px 0}
.post-body figure img{display:block;margin:0 auto}
.post-body figcaption{font-family:var(--mono);font-size:.74rem;color:var(--muted);text-align:center;margin-top:8px;line-height:1.5}

/* ---- horizontal rule ---- */
.post-body hr,main hr{border:none;border-top:1px solid var(--rule);width:40%;margin:36px auto}

/* ---- visually-hidden (accessible/SEO headings, no visual change) ---- */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---- audit finding blocks (security page) ---- */
.work-list li.finding{padding:16px 0}
.finding p{margin:0 0 5px;font-size:.95rem}
.finding p:last-child{margin-bottom:0}
.finding .f-title{font-family:var(--serif);font-size:1.08rem;margin-bottom:8px}

/* ---- result callout (research page) ---- */
.result{border-left:3px solid var(--accent);padding:1px 0 1px 14px;margin:12px 0 6px;color:var(--text);font-size:.98rem}

/* ---- page hero art (AI-generated, warm raster; framed so it reads as a print in dark mode) ---- */
.hero{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--rule);margin:18px 0 10px}
.post-hero{margin:14px 0 14px}
@media (prefers-color-scheme:dark){.hero{opacity:.92}}

/* fenced code blocks (kramdown/rouge) */
.post-body pre,.highlight pre,div.highlighter-rouge{
  font-family:var(--mono);font-size:.82rem;line-height:1.55;
  background:#1c1d22;color:#e6e6e6;border-radius:8px;
  padding:16px 18px;overflow-x:auto;margin:22px 0
}
.post-body pre code{background:none;padding:0;font-size:1em;color:inherit}
.highlight .c,.highlight .c1{color:#7d8590}
.highlight .k,.highlight .kd,.highlight .kt{color:#ff7b72}
.highlight .s,.highlight .s2,.highlight .sb{color:#a5d6ff}
.highlight .n,.highlight .nx{color:#e6e6e6}
.highlight .nf,.highlight .nc{color:#d2a8ff}
.highlight .mi,.highlight .mf{color:#79c0ff}
.highlight .o,.highlight .p{color:#c9d1d9}

/* ---- end-of-post: related + prev/next ---- */
.related{margin-top:44px;padding-top:20px;border-top:1px solid var(--rule)}
.related-title,.toc-title{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 10px}
.related ul{list-style:none;margin:0;padding:0}
.related li{margin:7px 0;font-family:var(--serif);font-size:1.02rem}
.related a{color:var(--text)}
.related a:hover{color:var(--accent)}
.related .r-tags{font-family:var(--mono);font-size:.66rem;color:var(--muted);margin-left:8px}
.post-nav{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:30px;font-size:.86rem}
.post-nav a{color:var(--accent)}
.post-nav .pn-newer{margin-left:auto;text-align:right}

/* ---- table of contents (kramdown {:toc}) ---- */
#markdown-toc{
  margin:22px 0 32px;padding:14px 18px 14px 36px;
  border:1px solid var(--rule);border-radius:8px;
  font-family:var(--sans);font-size:.95rem;line-height:1.5
}
#markdown-toc::before{
  content:"On this page";display:block;margin:0 0 8px -18px;
  font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)
}
#markdown-toc li{margin:4px 0}
#markdown-toc a{color:var(--accent);text-decoration:none}
#markdown-toc a:hover{text-decoration:underline}

/* ---- code-block language labels (pure CSS, from kramdown's .language-* wrapper) ---- */
.language-solidity,.language-rust,.language-python{position:relative}
.language-solidity::before,.language-rust::before,.language-python::before{
  position:absolute;top:8px;right:14px;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;
  color:#7d8590;pointer-events:none;user-select:none
}
.language-solidity::before{content:"solidity"}
.language-rust::before{content:"rust"}
.language-python::before{content:"python"}

/* ---- tags index (/tags/) ---- */
.tags-cloud{display:flex;flex-wrap:wrap;gap:8px 10px;margin:8px 0 28px;padding:0;list-style:none}
.tags-cloud a{font-family:var(--mono);font-size:.78rem;color:var(--accent);border:1px solid var(--rule);border-radius:4px;padding:3px 9px}
.tags-cloud a:hover{border-color:var(--accent);text-decoration:none}
.tag-group{margin:0 0 22px}
.tag-group h2{font-family:var(--serif);font-size:1.3rem;margin:26px 0 4px;scroll-margin-top:20px}
.tag-group h2 .count{font-family:var(--mono);font-size:.68rem;color:var(--muted);font-weight:400;margin-left:8px}
.tag-group ul{list-style:none;margin:0;padding:0}
.tag-group li{padding:9px 0;border-bottom:1px solid var(--rule)}
.tag-group li:first-child{border-top:1px solid var(--rule)}
.tag-group a.post-link{font-size:1.05rem}
.tag-group .post-meta{margin-top:2px}

/* ---- motion & print ---- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}
@media print{
  .site-header,.site-footer,.back,.post-nav,.related,#markdown-toc,.skip{display:none}
  body{background:#fff;color:#000;font-size:12pt}
  a{color:#000}
  figure.chart,pre,blockquote{break-inside:avoid;page-break-inside:avoid}
  .post-body pre,.highlight pre,div.highlighter-rouge{background:#f5f5f5;color:#111;border:1px solid #ccc}
}

/* ---- charts (inline themed SVG; re-themes via CSS vars) ---- */
figure.chart{margin:28px 0;padding:0;max-width:100%}
figure.chart svg{display:block;width:100%;height:auto;font-family:var(--sans);overflow:visible}
figure.chart figcaption{
  font-family:var(--mono);font-size:.74rem;color:var(--muted);
  margin-top:10px;text-align:center;letter-spacing:.01em;line-height:1.5
}
/* SVG element roles — referenced by class inside each <svg> */
.c-axis{stroke:var(--rule);stroke-width:1;fill:none}
.c-grid{stroke:var(--rule);stroke-width:1;stroke-dasharray:2 4;opacity:.7}
.c-bar{fill:var(--accent)}
.c-bar-muted{fill:var(--muted);opacity:.55}
.c-dot{fill:var(--muted)}
.c-dot-hi{fill:var(--accent)}
.c-line{stroke:var(--rule);stroke-width:1.5;fill:none}
.c-label{fill:var(--muted);font-size:13px}
.c-label-sm{fill:var(--muted);font-size:11px}
.c-val{fill:var(--text);font-size:13px;font-weight:600}
.c-title{fill:var(--text);font-size:14px;font-weight:600;font-family:var(--serif)}
.c-box{fill:none;stroke:var(--rule);stroke-width:1.5}
.c-box-accent{fill:none;stroke:var(--accent);stroke-width:1.5}
.c-fill-soft{fill:var(--accent);opacity:.08}
.c-ink{fill:var(--text)}
.c-arrow{stroke:var(--accent);stroke-width:1.5;fill:none;marker-end:url(#c-arrowhead)}
.c-arrow-muted{stroke:var(--muted);stroke-width:1.5;fill:none;marker-end:url(#c-arrowhead-muted)}