/* Customer knowledge base (kb.html, built by site-src/kb/build_kb.py), 2026-10-09. EDIT THIS COPY in site-src/kb/; the build copies it out. Same tokens and type as thermal.html; the site's
   menu bar and footer are scoped to .sitenav / .sitefoot exactly as on that page. */
:root{
  --ground:#e8ecef;
  --surface:#ffffff;
  --surface-2:#f1f4f6;
  --ink:#13181d;
  --ink-2:#4d5862;
  --ink-3:#7c8892;
  --line:#ccd4db;
  --line-2:#a9b4bd;
  --hot:#d96a1c;
  --hot-soft:#f6e2d1;
  --cold:#2b6d9c;
  --cold-soft:#d7e5ef;
  --datum:#157a58;
  --bad:#bf3f2a;
  --bad-soft:#f5dcd7;
  --shadow:0 1px 2px rgba(19,24,29,.06), 0 8px 24px -14px rgba(19,24,29,.30);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0d1115;
    --surface:#151a20;
    --surface-2:#1b222a;
    --ink:#e6ebf0;
    --ink-2:#a1aeb9;
    --ink-3:#73808c;
    --line:#28313a;
    --line-2:#3b4753;
    --hot:#f0873a;
    --hot-soft:#38251a;
    --cold:#65a9d8;
    --cold-soft:#152530;
    --datum:#42b98a;
    --bad:#e3695a;
    --bad-soft:#3a1d18;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px -16px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"]{
  --ground:#0d1115;
  --surface:#151a20;
  --surface-2:#1b222a;
  --ink:#e6ebf0;
  --ink-2:#a1aeb9;
  --ink-3:#73808c;
  --line:#28313a;
  --line-2:#3b4753;
  --hot:#f0873a;
  --hot-soft:#38251a;
  --cold:#65a9d8;
  --cold-soft:#152530;
  --datum:#42b98a;
  --bad:#e3695a;
  --bad-soft:#3a1d18;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px -16px rgba(0,0,0,.8);
}

*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:"Newsreader",Georgia,"Times New Roman",serif;font-size:19px;line-height:1.62;-webkit-font-smoothing:antialiased}
h1,h2,h3,.ui{font-family:"Archivo","Helvetica Neue",Arial,sans-serif}
code,.mono{font-family:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums}
p code,li code,td code{font-size:.84em;background:var(--surface-2);border:1px solid var(--line);border-radius:2px;padding:1px 5px;white-space:nowrap}
a{color:var(--cold)}

.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.prose{max-width:66ch}
.prose p{margin:0 0 1.1rem}
.prose ol,.prose ul{margin:0 0 1.1rem;padding-left:1.3em}
.prose li{margin-bottom:.5rem}

.tickrule{height:11px;border-top:1px solid var(--line);
  background-image:repeating-linear-gradient(to right,var(--line-2) 0 1px,transparent 1px 28px);
  background-size:100% 5px;background-repeat:no-repeat;opacity:.85}

.hero{padding:56px 0 30px}
.crumb{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin:0 0 18px}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--hot)}
.eyebrow{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--hot);margin:0 0 18px}
h1{font-variation-settings:"wdth" 108;font-weight:700;font-size:clamp(34px,5.4vw,62px);line-height:1.02;letter-spacing:-.02em;
  margin:0 0 24px;text-wrap:balance;max-width:20ch}
.lede{font-size:21px;line-height:1.55;color:var(--ink-2);max-width:60ch;margin:0}
.lede strong{color:var(--ink);font-weight:500}
.meta{font-family:"IBM Plex Mono";font-size:11.5px;color:var(--ink-3);margin:22px 0 0}

section{padding:58px 0}
section + section{padding-top:0}
.kicker{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px}
h2{font-variation-settings:"wdth" 105;font-weight:700;font-size:clamp(25px,3.2vw,36px);line-height:1.1;
  letter-spacing:-.015em;margin:0 0 20px;text-wrap:balance;max-width:24ch}
h3{font-weight:700;font-size:17px;letter-spacing:-.005em;margin:0 0 8px}

/* the rule, up front */
.rule{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--datum);border-radius:3px;
  box-shadow:var(--shadow);padding:22px 24px;margin:36px 0 0;max-width:760px}
.rule .lbl{font-family:"Archivo";font-weight:700;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--datum);margin:0 0 8px}
.rule p{margin:0;font-size:19px;line-height:1.5}
.rule p + p{margin-top:10px;color:var(--ink-2);font-size:17px}

/* table */
.tbl-wrap{overflow-x:auto;margin:26px 0 8px;border:1px solid var(--line);border-radius:3px;background:var(--surface);box-shadow:var(--shadow);max-width:860px}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:16.5px;line-height:1.45}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child th,tr:last-child td{border-bottom:0}
thead th{font-family:"Archivo";font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);background:var(--surface-2)}
tbody th{font-family:"Archivo";font-weight:600;font-size:14px;color:var(--ink-2);width:30%}
td.same{color:var(--ink-2)}
td strong{font-weight:600}

/* code panel */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);overflow:hidden;margin:26px 0 8px;max-width:760px}
.panel .head{padding:10px 18px;border-bottom:1px solid var(--line);background:var(--surface-2);
  font-family:"Archivo";font-weight:700;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.panel pre{margin:0;padding:16px 18px;font-family:"IBM Plex Mono";font-size:13.5px;line-height:1.9;white-space:pre;overflow-x:auto;color:var(--ink-2)}
.panel pre b{color:var(--ink);font-weight:600}
.panel pre i{font-style:normal;color:var(--ink-3)}
.cap{font-family:"IBM Plex Mono";font-size:11.5px;color:var(--ink-3);margin:10px 0 0;max-width:760px}

/* diagram */
.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin:30px 0 8px;max-width:860px}
.fig{background:var(--surface);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);padding:18px 18px 16px;margin:0}
.fig .tag{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px}
.fig.ok .tag{color:var(--datum)}
.fig.bad .tag{color:var(--bad)}
.fig svg{display:block;width:100%;height:auto}
.fig figcaption{font-size:16px;line-height:1.5;color:var(--ink-2);margin-top:10px}
.svg-part{fill:var(--surface-2);stroke:var(--line-2);stroke-width:1.5}
.svg-hatch{stroke:var(--line-2);stroke-width:1}
.svg-bore{fill:var(--surface);stroke:var(--line-2);stroke-width:1.5}
.svg-center{stroke:var(--ink-3);stroke-width:1;stroke-dasharray:4 4}
.svg-bar{fill:var(--cold-soft);stroke:var(--cold);stroke-width:2}
.svg-bar-bad{fill:var(--bad-soft);stroke:var(--bad);stroke-width:2}
.svg-tip{fill:var(--hot);stroke:none}
.svg-axis{stroke:var(--ink-2);stroke-width:1.5;fill:none}
.svg-axis-head{fill:var(--ink-2)}
.svg-txt{font-family:"IBM Plex Mono",monospace;font-size:11px;fill:var(--ink-3)}
.svg-txt-bad{font-family:"IBM Plex Mono",monospace;font-size:11px;fill:var(--bad)}
.svg-txt-ok{font-family:"IBM Plex Mono",monospace;font-size:11px;fill:var(--datum)}

/* checks and warnings */
.checks{counter-reset:c;list-style:none;padding:0;margin:24px 0 0;max-width:760px}
.checks li{counter-increment:c;position:relative;padding:0 0 18px 46px;margin:0}
.checks li::before{content:counter(c);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:2px;
  border:1px solid var(--hot);color:var(--hot);font-family:"IBM Plex Mono";font-size:13px;display:flex;align-items:center;justify-content:center}
.checks li strong{font-weight:600}
.warn{margin-top:26px;border-left:3px solid var(--bad);padding:4px 0 4px 20px;max-width:760px}
.warn h3{color:var(--bad)}
.warn p{margin:0 0 10px;color:var(--ink-2);font-size:17px;line-height:1.55}
.warn p:last-child{margin-bottom:0}
.note{margin-top:26px;border-left:3px solid var(--line-2);padding:4px 0 4px 20px;max-width:760px}
.note p{margin:0 0 10px;color:var(--ink-2);font-size:17px;line-height:1.55}
.note p:last-child{margin-bottom:0}

/* index list */
.articles{list-style:none;padding:0;margin:30px 0 0;border-top:1px solid var(--line);max-width:860px}
.articles li{border-bottom:1px solid var(--line)}
.articles a{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:22px 0;text-decoration:none;color:inherit}
.articles a:hover h3{color:var(--hot)}
.articles a:focus-visible{outline:2px solid var(--hot);outline-offset:4px}
.articles .area{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--hot);padding-top:4px}
.articles h3{font-size:19px;margin:0 0 6px;transition:color .15s}
.articles p{margin:0;font-size:16.5px;line-height:1.5;color:var(--ink-2)}

.close{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:46px 0}
.close p{margin:0;color:var(--ink-2);font-size:17px;max-width:62ch}
a.btn{display:inline-block;margin-top:18px;font-family:"Archivo";font-weight:600;font-size:14px;letter-spacing:.03em;
  text-decoration:none;padding:12px 20px;border-radius:2px;background:var(--hot);color:#fff;border:1px solid var(--hot)}
a.btn:hover{filter:brightness(1.06)}
a.btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

@media (max-width:640px){
  .wrap{padding:0 16px}
  body{font-size:18px}
  .lede{font-size:19px}
  .articles a{grid-template-columns:1fr;gap:6px}
  table{min-width:0;font-size:15px}
  th,td{padding:10px 10px}
  tbody th{width:28%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---- the site's menu bar and footer, as on thermal.html ---- */
.sitenav{--brand:#0f4c81;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid #e2e6ec;backdrop-filter:blur(8px);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6}
.sitenav .nav-inner{max-width:1140px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px}
.sitenav .logo{display:flex;text-decoration:none}
.sitenav .nav-links{display:flex;gap:12px;list-style:none;margin:0;padding:0}
.sitenav .nav-links a{color:#5a5a7a;text-decoration:none;font-size:.84rem;font-weight:500;white-space:nowrap;transition:color .2s}
.sitenav .nav-links a:hover,.sitenav .nav-links a.on{color:#0f4c81}
.sitenav .nav-links a.on{font-weight:700}
.sitenav .nav-cta{background:#e8792b;color:#fff !important;padding:7px 13px;border-radius:6px;font-weight:600;transition:background .2s}
.sitenav .nav-cta:hover{background:#d16a20}
@media (max-width:860px){.sitenav .nav-about{display:none}}
@media (max-width:640px){.sitenav .nav-inner{padding:0 12px}.sitenav .logo img{height:40px !important}.sitenav .nav-links{gap:10px}
  .sitenav .nav-how,.sitenav .nav-price,.sitenav .nav-thermal{display:none}.sitenav .nav-links a{font-size:.8rem}.sitenav .nav-cta{padding:6px 10px}}
@media (max-width:400px){.sitenav .nav-products{display:none}}
@media (max-width:360px){.sitenav .logo img{height:32px !important}.sitenav .nav-links{gap:8px}}
.sitefoot{padding:40px 24px;text-align:center;border-top:1px solid #e2e6ec;background:#fff;color:#1a1a2e;margin-top:0;
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6}
.sitefoot p{color:#5a5a7a;font-size:.85rem;margin:0}
.sitefoot a{color:#0f4c81;text-decoration:none}

/* ---- lock screen ---- */
#kb-lock{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;
  background:linear-gradient(168deg,#0f4c81 0%,#0a3359 100%);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
#kb-lock[hidden]{display:none}
#kb-lock .box{width:100%;max-width:440px;background:rgba(10,22,40,.82);border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.45);
  padding:28px 24px 24px;color:#fff;text-align:center}
#kb-lock .brand{font-size:1.4rem;font-weight:700;margin-bottom:4px}
#kb-lock .brand span{color:#e8792b}
#kb-lock .sub{color:rgba(255,255,255,.8);font-size:.95rem;margin:0 0 6px;font-weight:600}
#kb-lock .hint{color:rgba(255,255,255,.62);font-size:.88rem;margin:0 0 20px;line-height:1.45}
#kb-lock form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
#kb-lock input{padding:12px 16px;border-radius:8px;border:2px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);
  color:#fff;font-size:1rem;outline:none;width:220px;letter-spacing:.06em;text-transform:uppercase;font-family:"IBM Plex Mono",monospace}
#kb-lock input::placeholder{text-transform:none;letter-spacing:0;font-family:-apple-system,BlinkMacSystemFont,sans-serif}
#kb-lock input:focus{border-color:#e8792b}
#kb-lock button{padding:12px 22px;border-radius:8px;border:none;background:#e8792b;color:#fff;font-size:1rem;font-weight:600;cursor:pointer}
#kb-lock button:hover{background:#d16a20}
#kb-lock button:disabled{opacity:.6;cursor:default}
#kb-lock .msg{min-height:1.3em;color:#ff8a7a;font-size:.88rem;margin:12px 0 0}
#kb-lock .msg.busy{color:rgba(255,255,255,.7)}
#kb-lock .ask{margin:16px 0 0;font-size:.88rem}
#kb-lock .ask a{color:#e8792b;text-decoration:none;font-weight:600}

/* ---- app bar: who is signed in, search ---- */
.kb-bar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:26px 0 0}
.kb-search{flex:1 1 320px;position:relative}
.kb-search input{width:100%;font-family:"Archivo",sans-serif;font-size:17px;color:var(--ink);background:var(--surface);
  border:1px solid var(--line-2);border-radius:3px;padding:13px 16px 13px 42px;box-shadow:var(--shadow)}
.kb-search input:focus-visible{outline:2px solid var(--hot);outline-offset:1px}
.kb-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:2}
.kb-who{font-family:"IBM Plex Mono";font-size:12px;color:var(--ink-3)}
.kb-who button{font:inherit;color:var(--cold);background:none;border:0;padding:0;margin-left:8px;cursor:pointer;text-decoration:underline}

/* ---- search results ---- */
.results{list-style:none;padding:0;margin:26px 0 0;border-top:1px solid var(--line);max-width:860px}
.results li{border-bottom:1px solid var(--line)}
.results a{display:block;padding:16px 0;text-decoration:none;color:inherit}
.results a:hover .rh{color:var(--hot)}
.results a:focus-visible{outline:2px solid var(--hot);outline-offset:4px}
.results .ra{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--hot)}
.results .rh{font-family:"Archivo";font-weight:700;font-size:17px;margin:3px 0 4px;transition:color .15s}
.results .rs{font-size:16px;line-height:1.5;color:var(--ink-2)}
mark{background:var(--hot-soft);color:var(--ink);padding:0 2px;border-radius:2px}
.kb-note{font-family:"IBM Plex Mono";font-size:12px;color:var(--ink-3);margin:16px 0 0}

/* ---- rendered markdown (the training guide) ---- */
.md{max-width:900px;padding:8px 0 40px}
.md h1{font-size:clamp(30px,4.6vw,48px);max-width:24ch;margin:30px 0 18px}
.md h2{font-size:clamp(23px,3vw,32px);margin:48px 0 16px;padding-top:20px;border-top:1px solid var(--line);max-width:none}
.md h3{font-size:20px;margin:34px 0 10px}
.md h4{font-family:"Archivo",sans-serif;font-size:16px;margin:26px 0 8px}
.md p,.md li{font-size:18px;line-height:1.6}
.md p{margin:0 0 1rem;max-width:72ch}
.md ul,.md ol{max-width:72ch;padding-left:1.3em}
.md li{margin-bottom:.4rem}
.md blockquote{margin:22px 0;border-left:3px solid var(--hot);padding:4px 0 4px 18px;color:var(--ink-2)}
.md blockquote p{max-width:68ch}
.md img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:3px;background:#fff}
.md hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.md code{font-size:.84em;background:var(--surface-2);border:1px solid var(--line);border-radius:2px;padding:1px 5px}
.md pre{background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:14px 16px;overflow-x:auto}
.md pre code{border:0;background:none;padding:0}
.tbl-scroll{overflow-x:auto;margin:16px 0 22px;border:1px solid var(--line);border-radius:3px;background:var(--surface)}
.md table{border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.45;min-width:560px}
.md th,.md td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.md thead th{font-family:"Archivo";font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);background:var(--surface-2)}
.md tr:last-child td{border-bottom:0}
.md td code{white-space:nowrap}
.md p code,.md li code,.md blockquote code{white-space:normal;overflow-wrap:anywhere}
.flash{animation:flash 1.6s ease-out}
@keyframes flash{0%{background:var(--hot-soft)}100%{background:transparent}}
.kb-back{font-family:"IBM Plex Mono";font-size:12px;margin:26px 0 0}
.kb-back a{color:var(--ink-3);text-decoration:none}
.kb-back a:hover{color:var(--hot)}
@media (max-width:640px){ .md table{min-width:480px;font-size:14.5px} .md p,.md li{font-size:17px} }

/* Labelled screenshots (proveout-export-to-sim, 2026-10-09): numbered pins over the picture, the key under it.
   Pins and boxes sit in % of .shot-frame, so they stay on their controls at any width. Click = full size (kb-app.js). */
.shot{margin:26px 0 8px;max-width:min(100%,var(--w))}
.shot.wide{max-width:100%}
.shot-img{cursor:zoom-in;border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);overflow:hidden;background:#0b0e12}
.shot-frame{position:relative;line-height:0}
.shot-frame img{display:block;width:100%;height:auto}
.shot .hl{position:absolute;border:2px solid var(--hot);border-radius:3px;box-shadow:0 0 0 1px rgba(0,0,0,.35);pointer-events:none}
.shot .pin{position:absolute;transform:translate(-72%,-72%);min-width:22px;height:22px;padding:0 5px;border-radius:11px;background:var(--hot);color:#fff;
  font:600 12px/22px "IBM Plex Mono",ui-monospace,monospace;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.55);pointer-events:none}
.shot-key{list-style:none;counter-reset:k;margin:12px 0 0;padding:0;columns:2 260px;column-gap:28px;font-size:15px;line-height:1.45;color:var(--ink-2)}
.shot-key li{counter-increment:k;break-inside:avoid;padding:3px 0 3px 32px;position:relative}
.shot-key li::before{content:counter(k);position:absolute;left:0;top:3px;min-width:22px;height:22px;border-radius:11px;background:var(--hot);color:#fff;
  font:600 12px/22px "IBM Plex Mono",ui-monospace,monospace;text-align:center}
.shot figcaption,.shot .cap{margin-top:8px}
.shot.zoom .shot-img{position:fixed;inset:0;z-index:100;overflow:auto;border:0;border-radius:0;cursor:zoom-out;background:rgba(5,8,11,.94);padding:16px}
.shot.zoom .shot-frame{width:var(--w);max-width:none;margin:0 auto}
@media (max-width:640px){.shot .pin{min-width:18px;height:18px;line-height:18px;font-size:10.5px;padding:0 3px}.shot.zoom .shot .pin{font-size:12px}}
.sub-h{font-size:20px;margin:44px 0 10px}
@media (max-width:640px){#kb-view p code,#kb-view li code{white-space:normal;overflow-wrap:anywhere}}