/* portfolio-demo: engineering-notebook style. No external fonts, no network requests. */
:root{
  --bg:#f6f5f1; --bg2:#ecebe5; --card:#ffffff; --fg:#1b1f29; --dim:#555d70; --line:#d4d2c8;
  --accent:#8f4800; --warn:#7a4f00; --warn-bg:#fbefcf; --ok:#1d6b35; --ok-bg:#e1f3e6;
  --bad:#a1242a; --bad-bg:#fbe3e3; --info:#1f4f8f; --info-bg:#e3ecf8; --redact:#1b1f29;
  --mono:ui-monospace,"Cascadia Mono",Consolas,Menlo,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#05070d; --bg2:#0b0f1c; --card:#0d1222; --fg:#cdd5e6; --dim:#95a1bd; --line:#232b42;
    --accent:#ffb35c; --warn:#f2c14e; --warn-bg:#2a2208; --ok:#6fd392; --ok-bg:#0f2a19;
    --bad:#ff8a8a; --bad-bg:#2e1111; --info:#8fb8ff; --info-bg:#101d36; --redact:#000;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 var(--sans)}
a{color:var(--accent)} a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding:24px 20px 60px}
.mono,code,pre,.tag,.kicker,.meta,table.data{font-family:var(--mono)}
code{font-size:.92em;background:var(--bg2);padding:1px 4px;border-radius:3px}
h1,h2,h3{line-height:1.25;margin:0 0 .4em}
h1{font-size:27px;letter-spacing:-.01em}
h2{font-size:14px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-top:34px;padding-bottom:6px;border-bottom:1px solid var(--line)}
h2::before{content:"## ";color:var(--dim)}
h3{font-size:16px}
p{margin:.4em 0 .9em}
ul{margin:.3em 0 1em;padding-left:1.2em} li{margin:.2em 0}
.dim{color:var(--dim)}
.kicker{font-size:12px;color:var(--dim);letter-spacing:.06em;text-transform:uppercase}
.meta{font-size:12px;color:var(--dim)}
.banner{font-family:var(--mono);font-size:12px;border:1px dashed var(--line);color:var(--dim);padding:6px 10px;border-radius:4px;margin-bottom:20px}
header.site{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:10px}
header.site .name{font-family:var(--mono);font-size:30px;font-weight:700}
header.site .name span{color:var(--accent)}
header.site .pos{font-size:17px;margin-top:4px;max-width:640px}
nav.top{font-family:var(--mono);font-size:13px;margin-bottom:18px}
nav.top a{margin-right:14px}
pre.ascii{font-size:11px;line-height:1.2;color:var(--dim);margin:0;overflow:hidden;white-space:pre}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit}
a.card:hover{border-color:var(--accent)}
.card h3{margin:0;color:var(--fg)}
.card .one{font-size:14px;color:var(--dim);margin:0}
.card .num{font-family:var(--mono);font-size:12px;color:var(--fg);border-top:1px dashed var(--line);padding-top:6px;margin-top:auto}
.tags{display:flex;flex-wrap:wrap;gap:4px}
.tag{font-size:11px;border:1px solid var(--line);border-radius:3px;padding:1px 6px;color:var(--dim)}
.tag.ctx{border-color:var(--accent);color:var(--accent)}
.now{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.now .card{border-style:dashed}
.pill{display:inline-block;font-family:var(--mono);font-size:11px;padding:1px 7px;border-radius:10px;font-weight:600}
.pill.wip{background:var(--warn-bg);color:var(--warn)}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.bad{background:var(--bad-bg);color:var(--bad)}
.pill.info{background:var(--info-bg);color:var(--info)}
.about{display:grid;grid-template-columns:2fr 1fr;gap:24px}
@media (max-width:760px){.about{grid-template-columns:1fr}}
.facts{font-family:var(--mono);font-size:13px;border-left:2px solid var(--accent);padding-left:12px}
.facts div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dotted var(--line);padding:3px 0}
.facts div span:first-child{color:var(--dim)}
.lede{font-size:18px;max-width:780px}
.toc{font-family:var(--mono);font-size:12px;display:flex;flex-wrap:wrap;gap:4px 14px;margin:10px 0 0}
table.data{border-collapse:collapse;width:100%;font-size:13px}
table.data th,table.data td{border-bottom:1px solid var(--line);padding:5px 8px;text-align:left;vertical-align:top}
table.data th{color:var(--dim);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.05em}
table.data td:first-child{white-space:nowrap}
.tablewrap{overflow-x:auto}
pre.diagram{font-size:12.5px;line-height:1.35;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:14px;overflow-x:auto;color:var(--fg);margin:0}
pre.diagram b{color:var(--accent);font-weight:600}
pre.diagram i{color:var(--dim);font-style:normal}
figure{margin:14px 0}
figcaption{font-family:var(--mono);font-size:12px;color:var(--dim);margin-top:6px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.cols{grid-template-columns:1fr}}
.incident{border:1px solid var(--bad);border-left-width:4px;border-radius:6px;padding:10px 14px;background:var(--card);font-family:var(--mono);font-size:12.5px}
.incident .h{color:var(--bad);font-weight:700}
.foot{margin-top:50px;border-top:1px solid var(--line);padding-top:12px;font-family:var(--mono);font-size:12px;color:var(--dim)}
.stack{display:flex;flex-wrap:wrap;gap:6px}
.stack .tag{font-size:12px;color:var(--fg)}
/* mock UIs: always drawn from fake data */
.mock{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#0b0e17;color:#cfd6e6;font-family:var(--mono);font-size:12px}
.mock.light{background:#fbfbf8;color:#1b1f29}
.mock .bar{display:flex;align-items:center;gap:6px;padding:6px 10px;background:#151a28;border-bottom:1px solid #262d42;color:#95a1bd;font-size:11px}
.mock.light .bar{background:#ecebe5;border-color:#d4d2c8;color:#555d70}
.mock .bar i{width:9px;height:9px;border-radius:50%;background:#3a4258;display:inline-block}
.mock .bar .t{margin-left:8px}
.mock .body{padding:10px;overflow-x:auto}
.mock table{border-collapse:collapse;width:100%}
.mock th,.mock td{padding:3px 7px;text-align:left;white-space:nowrap;border-bottom:1px solid rgba(140,160,210,.14)}
.mock th{color:#95a1bd;font-weight:500;font-size:10.5px;text-transform:uppercase}
.mock.light th{color:#555d70}
.mock .r{text-align:right}
.mock .up{color:#6fd392} .mock .dn{color:#ff8a8a} .mock .am{color:#ffb35c} .mock .mu{color:#95a1bd}
.mock.light .up{color:#1d6b35} .mock.light .dn{color:#a1242a} .mock.light .am{color:#8f4800} .mock.light .mu{color:#555d70}
.mock .panel{border:1px solid rgba(140,160,210,.2);border-radius:5px;padding:8px;margin-bottom:10px}
.mock .panel:last-child{margin-bottom:0}
.mock .panel h4{margin:0 0 6px;font-size:10.5px;text-transform:uppercase;color:#95a1bd;font-weight:500;letter-spacing:.05em}
.mock.light .panel{border-color:#d4d2c8}
.mock.light .panel h4{color:#555d70}
.mock .split{display:grid;grid-template-columns:1.6fr 1fr;gap:10px}
@media (max-width:700px){.mock .split{grid-template-columns:1fr}}
.mock svg text{font-family:var(--mono)}
.redact{display:inline-block;background:var(--redact);color:transparent;border-radius:2px;user-select:none;vertical-align:middle;height:1.05em;min-width:4ch}
.mock .redact{background:#000;outline:1px solid #3a3a3a}
.mock.light .redact{background:#111;outline:none}
.redact-note{font-family:var(--mono);font-size:11px;color:var(--dim);margin-top:6px}
.chip{display:inline-block;padding:0 6px;border-radius:3px;font-size:10.5px;font-weight:700}
.chip.ok{background:#0f2a19;color:#6fd392} .chip.bad{background:#2e1111;color:#ff8a8a} .chip.unk{background:#1d2233;color:#a9b3cc} .chip.part{background:#2a2208;color:#f2c14e}
.mock.light .chip.ok{background:#e1f3e6;color:#1d6b35} .mock.light .chip.bad{background:#fbe3e3;color:#a1242a} .mock.light .chip.unk{background:#ecebe5;color:#555d70} .mock.light .chip.part{background:#fbefcf;color:#7a4f00}
.strip{display:flex;gap:1px;height:12px;min-width:180px}
.strip span{flex:1;background:#2f8a4f;border-radius:1px}
.strip span.a{background:#c98b1d} .strip span.x{background:#c0393f}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2f8a4f;margin-right:6px}
.dot.a{background:#c98b1d} .dot.x{background:#c0393f}
.chat{max-width:340px;display:flex;flex-direction:column;gap:6px}
.chat .m{padding:6px 9px;border-radius:8px;background:#1a2133;max-width:85%}
.chat .m.me{align-self:flex-end;background:#2a1d0c;color:#ffd7a8}
.term{background:#03040a;color:#cdd5e6;white-space:pre;font-size:12px;line-height:1.4;padding:10px;margin:0;overflow-x:auto}
.term .up{color:#6fd392} .term .dn{color:#ff8a8a} .term .am{color:#ffb35c} .term .mu{color:#8491ae} .term .inv{background:#ffb35c;color:#03040a}