:root{
  --paper:#f5f2ea;
  --paper-raised:#fbf9f4;
  --ink:#201d17;
  --ink-dim:#5c564a;
  --line:rgba(32,29,23,.15);
  --line-strong:rgba(32,29,23,.32);
  --panel:#242320;
  --panel-line:rgba(255,255,255,.09);
  --panel-tile:#302e29;
  --accent:#c96a12;
  --accent-ink:#7a3c05;
  --accent-soft:#f0dcbc;
  --danger:#a83b28;
  --good:#2f7a52;
  --hotspot:#c96a12;
  --hotspot-ink:#fff8ee;
  --radius:14px;
  --serif-display:"Big Shoulders Display",sans-serif;
  --sans:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#161511;
    --paper-raised:#1d1c17;
    --ink:#ece7da;
    --ink-dim:#a89e8a;
    --line:rgba(236,231,218,.14);
    --line-strong:rgba(236,231,218,.30);
    --panel:#0f0e0c;
    --panel-line:rgba(255,255,255,.08);
    --panel-tile:#232019;
    --accent:#e2872f;
    --accent-ink:#ffd9a4;
    --accent-soft:rgba(226,135,47,.18);
    --danger:#e07156;
    --good:#4fb27f;
    --hotspot:#e2872f;
    --hotspot-ink:#1a1206;
  }
}
:root[data-theme="dark"]{
  --paper:#161511;
  --paper-raised:#1d1c17;
  --ink:#ece7da;
  --ink-dim:#a89e8a;
  --line:rgba(236,231,218,.14);
  --line-strong:rgba(236,231,218,.30);
  --panel:#0f0e0c;
  --panel-line:rgba(255,255,255,.08);
  --panel-tile:#232019;
  --accent:#e2872f;
  --accent-ink:#ffd9a4;
  --accent-soft:rgba(226,135,47,.18);
  --danger:#e07156;
  --good:#4fb27f;
  --hotspot:#e2872f;
  --hotspot-ink:#1a1206;
}

*{box-sizing:border-box;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15.5px;
  line-height:1.55;
}
h1,h2,h3{font-family:var(--serif-display);text-wrap:balance;font-weight:700;letter-spacing:.01em;color:var(--ink);}
a{color:var(--accent-ink);}
code, .mono{font-family:var(--mono);}

.wrap{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:0;
  max-width:1180px;
  margin:0 auto;
  min-width:0;
}

/* ---- lang switcher --------------------------------------------- */
.langswitch{
  position:fixed;
  top:16px;
  right:16px;
  z-index:20;
}
.langswitch select{
  appearance:none;
  -webkit-appearance:none;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:var(--paper-raised) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="6"><path d="M0 0l5 6 5-6z" fill="%235c564a"/></svg>') no-repeat right 14px center;
  color:var(--ink);
  box-shadow:0 6px 16px -8px rgba(0,0,0,.35);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.04em;
  padding:8px 32px 8px 16px;
  cursor:pointer;
}
.langswitch select:focus{outline:2px solid var(--accent);outline-offset:2px;}

/* ---- cover -------------------------------------------------- */
.cover{
  padding:56px 40px 40px;
  border-bottom:1px solid var(--line);
  grid-column:1/-1;
  min-width:0;
}
.cover .eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-ink);
  display:flex;gap:10px;align-items:center;
}
.cover .eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.cover h1{
  font-size:clamp(34px,5vw,54px);
  line-height:1.02;
  margin:14px 0 10px;
}
.cover p.lede{
  max-width:62ch;
  color:var(--ink-dim);
  font-size:16.5px;
}
.cover .plate{
  margin-top:26px;
  display:flex;
  gap:28px;
  flex-wrap:wrap;
  align-items:flex-end;
}
.nameplate{
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-dim);
  border:1px solid var(--line-strong);
  border-radius:8px;
  padding:10px 14px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:3px 16px;
  max-width:100%;
}
.nameplate b{color:var(--ink);font-weight:500;}

/* ---- toc ------------------------------------------------------ */
nav.toc{
  position:sticky;
  top:0;
  align-self:start;
  height:100vh;
  overflow-y:auto;
  padding:28px 18px 40px 40px;
  border-right:1px solid var(--line);
  min-width:0;
}
nav.toc .group-label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-dim);
  margin:22px 0 8px;
}
nav.toc .group-label:first-child{margin-top:0;}
nav.toc ol{list-style:none;margin:0;padding:0;counter-reset:sec;}
nav.toc li{counter-increment:sec;}
nav.toc a{
  display:flex;
  gap:8px;
  padding:6px 8px;
  margin:0 -8px;
  border-radius:8px;
  text-decoration:none;
  color:var(--ink);
  font-size:13.5px;
  line-height:1.35;
}
nav.toc a:hover{background:var(--accent-soft);}
nav.toc a::before{
  content:counter(sec,decimal-leading-zero);
  font-family:var(--mono);
  color:var(--accent-ink);
  font-size:12px;
  flex:0 0 auto;
  padding-top:1px;
}

main{padding:8px 40px 80px;min-width:0;}

section.screen{
  padding:52px 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:18px;
}
section.screen:last-child{border-bottom:none;}

.screen-head{max-width:74ch;}
.screen-head .tag{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent-ink);
  display:inline-block;
  margin-bottom:8px;
}
.screen-head h2{font-size:26px;margin:0 0 6px;}
.screen-head .access{
  font-size:13.5px;
  color:var(--ink-dim);
  margin:0 0 14px;
  padding-left:14px;
  border-left:2px solid var(--line-strong);
}
.screen-head .access b{color:var(--ink);font-weight:500;}
.screen-head p.lede{color:var(--ink-dim);margin:0 0 4px;max-width:68ch;}

.spec{
  margin-top:26px;
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
@media (max-width:760px){
  .spec{grid-template-columns:minmax(0,1fr);}
  .wrap{grid-template-columns:minmax(0,1fr);}
  nav.toc{position:static;height:auto;border-right:none;border-bottom:1px solid var(--line);padding:20px 20px 8px;}
  main{padding:8px 20px 60px;}
  .cover{padding:40px 20px 30px;}
  .langswitch{top:10px;right:10px;}
}

.frame{
  background:var(--panel);
  border-radius:20px;
  padding:14px;
  border:1px solid var(--panel-line);
  box-shadow:0 1px 0 var(--panel-line) inset, 0 18px 34px -22px rgba(0,0,0,.5);
}
.frame .screen-inner{
  position:relative;
  width:100%;
  aspect-ratio:320/240;
  background:#000;
  border-radius:8px;
}
.frame .screen-inner img{
  position:absolute;inset:0;
  width:100%;height:100%;
  display:block;
  border-radius:8px;
  overflow:hidden;
  image-rendering:pixelated;
}
.frame figcaption{
  font-family:var(--mono);
  font-size:11px;
  color:var(--ink-dim);
  text-align:center;
  margin-top:10px;
}

.hot{
  position:absolute;
  border:1.5px solid var(--hotspot);
  border-radius:5px;
  background:color-mix(in srgb, var(--hotspot) 16%, transparent);
}
.hot .num{
  position:absolute;
  top:-9px;left:-9px;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--hotspot);
  color:var(--hotspot-ink);
  font-family:var(--mono);
  font-weight:500;
  font-size:11px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 2px var(--panel);
}

.legend{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.legend li{
  display:grid;
  grid-template-columns:26px minmax(0,1fr);
  gap:12px;
  padding:9px 0;
  border-bottom:1px solid var(--line);
  align-items:baseline;
}
.legend li:last-child{border-bottom:none;}
.legend .n{
  font-family:var(--mono);
  font-size:12px;
  color:var(--hotspot-ink);
  background:var(--hotspot);
  width:20px;height:20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transform:translateY(2px);
}
.legend .txt b{font-weight:600;}
.legend .txt{color:var(--ink);font-size:14.5px;}
.legend .txt .sub{color:var(--ink-dim);font-size:13px;}

.note{
  margin-top:18px;
  padding:12px 16px;
  border-radius:10px;
  background:var(--paper-raised);
  border:1px solid var(--line);
  font-size:13.5px;
  color:var(--ink-dim);
  max-width:74ch;
}
.note b{color:var(--ink);font-weight:600;}

.readonly-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
  gap:8px 20px;
  margin-top:18px;
  max-width:74ch;
}
.readonly-grid div{
  font-size:13px;
  color:var(--ink-dim);
  padding:6px 0;
  border-bottom:1px solid var(--line);
}
.readonly-grid div b{display:block;color:var(--ink);font-weight:500;font-size:13.5px;}

.swatches{
  display:grid;
  grid-template-columns:repeat(7,minmax(70px,1fr));
  gap:8px;
  margin-top:16px;
  max-width:76ch;
}
@media (max-width:600px){.swatches{grid-template-columns:repeat(4,1fr);}}
.swatch{
  border-radius:8px;
  overflow:hidden;
  border:1px solid var(--line-strong);
}
.swatch .chip{height:36px;}
.swatch .lbl{
  font-family:var(--mono);
  font-size:10.5px;
  padding:5px 7px;
  color:var(--ink-dim);
  background:var(--paper-raised);
}

.thumbrow{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap;}
.thumb{width:150px;}
.thumb .frame{padding:8px;border-radius:14px;}
.thumb figcaption{margin-top:6px;}

footer{
  padding:30px 40px 60px;
  grid-column:1/-1;
  font-size:12.5px;
  color:var(--ink-dim);
  border-top:1px solid var(--line);
}

/* ---- shared additions for the manuals section ----------------------- */
.crumb{
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  margin:0 0 18px;
}
.crumb a{color:var(--accent-ink);text-decoration:none;}
.crumb a:hover{text-decoration:underline;}
nav.toc.manual a::before{content:attr(data-n);min-width:2.2em;}
nav.toc.manual a.sub{padding-left:28px;font-size:12.5px;color:var(--ink-dim);}
.doc{max-width:88ch;}
.doc h2{font-size:28px;margin:0 0 12px;}
.doc h3{font-size:20px;margin:30px 0 8px;font-family:var(--serif-display);}
.doc h4{font-size:16px;margin:22px 0 6px;font-family:var(--sans);font-weight:600;}
.doc p{margin:0 0 12px;}
.doc ul,.doc ol{margin:0 0 14px;padding-left:22px;}
.doc li{margin:3px 0;}
.doc .num{font-family:var(--mono);color:var(--accent-ink);font-size:.8em;margin-right:8px;}
.warn{
  margin:16px 0;padding:12px 16px 12px 18px;border-radius:10px;
  background:color-mix(in srgb, var(--danger) 9%, var(--paper-raised));
  border:1px solid color-mix(in srgb, var(--danger) 35%, transparent);
  border-left:4px solid var(--danger);
  font-size:14.5px;
}
.warn b.t{display:block;color:var(--danger);font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:3px;}
figure.fig{margin:18px 0 24px;}
figure.fig img{display:block;max-width:100%;height:auto;box-sizing:border-box;padding:18px 20px;border-radius:10px;border:1px solid var(--line);background:#fff;}
figure.fig.narrow img{max-width:420px;}
figure.fig figcaption{font-family:var(--mono);font-size:12px;color:var(--ink-dim);margin-top:8px;}
.tbl{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14px;}
.tbl th,.tbl td{border:1px solid var(--line-strong);padding:7px 10px;text-align:left;vertical-align:top;}
.tbl th{background:var(--paper-raised);font-weight:600;}
.tblwrap{overflow-x:auto;max-width:100%;}
.iconrow{display:flex;gap:12px;align-items:center;margin:8px 0;}
.iconrow img{width:54px;height:auto;border-radius:6px;flex:0 0 auto;}
.contact{font-size:14px;color:var(--ink-dim);line-height:1.6;}
.cmd{font-family:var(--mono);font-size:13px;white-space:nowrap;}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:26px 0;}
.card{
  display:block;text-decoration:none;color:var(--ink);
  background:var(--paper-raised);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:22px 22px 20px;
  transition:border-color .15s, transform .15s;
}
.card:hover{border-color:var(--accent);transform:translateY(-2px);}
.card .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink);}
.card h2{font-size:26px;margin:8px 0 8px;}
.card p{margin:0;color:var(--ink-dim);font-size:14.5px;}
.card .go{display:inline-block;margin-top:14px;font-family:var(--mono);font-size:12.5px;color:var(--accent-ink);}