.dt-robotica{
  --bg:#f4f6f8; --surface:#ffffff; --ink:#141b24; --muted:#556170; --rule:#d4dae2;
  --accent:#1a5fa8; --accent-soft:#e3edf8; --copper:#a85a20; --copper-soft:#f6eadf;
  --ok:#1f7a4d; --ok-soft:#e1f1e8;
  --f-display:"IBM Plex Serif",Georgia,"Times New Roman",serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
.dt-robotica *{box-sizing:border-box}
.dt-robotica{scroll-behavior:smooth}
@media  (prefers-reduced-motion:reduce){.dt-robotica{scroll-behavior:auto}}
.dt-robotica{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16.5px;line-height:1.62;padding-inline:16px}
.dt-robotica .shell{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px}
@media  (max-width:960px){.dt-robotica .shell{grid-template-columns:minmax(0,1fr);gap:0}}
.dt-robotica nav.toc{grid-column:2;grid-row:1;position:sticky;top:0;align-self:start;max-height:100vh;overflow-y:auto;padding-block:32px;padding-left:24px;border-left:1px solid var(--rule);font-size:14px;line-height:1.45}
.dt-robotica .robot-main{grid-column:1;grid-row:1}
@media  (max-width:960px){.dt-robotica nav.toc{grid-column:1;grid-row:1;position:static;max-height:none;padding-block:24px 8px;padding-left:0;border-left:0;border-bottom:1px solid var(--rule)}
.dt-robotica .robot-main{grid-column:1;grid-row:2}}
.dt-robotica nav.toc h2{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:600}
.dt-robotica nav.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.dt-robotica nav.toc ol ol{padding-left:14px;margin:2px 0 8px;border-left:1px solid var(--rule)}
.dt-robotica nav.toc a{color:var(--ink);text-decoration:none;display:block;padding:3px 8px;border-radius:4px}
.dt-robotica nav.toc ol ol a{color:var(--muted);font-size:13.5px}
.dt-robotica nav.toc a:hover,.dt-robotica nav.toc a:focus-visible{background:var(--accent-soft);color:var(--accent);outline:none}
.dt-robotica nav.toc .num{font-family:var(--f-mono);font-size:12px;color:var(--accent);margin-right:6px}
.dt-robotica nav.toc .soon{color:var(--muted);font-size:13px;padding:3px 8px;display:block}
.dt-robotica .robot-main{padding-block:32px 96px;min-width:0}
.dt-robotica .read>section>:not(figure):not(.tbl),.dt-robotica .read>header{max-width:78ch}
.dt-robotica .read .tcap{max-width:78ch}
.dt-robotica header.cover{padding-block:24px 8px;margin-bottom:8px}
.dt-robotica .chapter>h2.sec:first-of-type{margin-top:32px}
.dt-robotica .eyebrow{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 10px}
.dt-robotica h1{font-family:var(--f-display);font-weight:600;font-size:clamp(2.1rem,4.6vw,3.2rem);line-height:1.08;margin:0 0 14px;text-wrap:balance;letter-spacing:-.01em}
.dt-robotica .byline{font-family:var(--f-display);font-style:italic;font-size:1.15rem;margin:0 0 18px}
.dt-robotica .lede{font-size:1.12rem;color:var(--muted);max-width:64ch;margin:0 0 26px}
.dt-robotica .facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));border:1px solid var(--rule);background:var(--surface);border-radius:6px;overflow:hidden;margin:0}
.dt-robotica .facts div{padding:12px 16px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);margin:-1px -1px 0 0}
.dt-robotica .facts dt{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.dt-robotica .facts dd{margin:2px 0 0;font-weight:600}
.dt-robotica h2.sec{font-family:var(--f-display);font-weight:600;font-size:1.9rem;line-height:1.15;margin:72px 0 10px;text-wrap:balance;scroll-margin-top:16px}
.dt-robotica h2.sec .tag{display:block;font-family:var(--f-body);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:6px}
.dt-robotica h3{font-family:var(--f-display);font-weight:600;font-size:1.38rem;margin:52px 0 10px;scroll-margin-top:16px;text-wrap:balance}
.dt-robotica h3 .n{font-family:var(--f-mono);font-size:.95rem;color:var(--accent);margin-right:10px;font-weight:500}
.dt-robotica h4{font-size:1.02rem;font-weight:600;margin:28px 0 6px}
.dt-robotica p{margin:0 0 14px}
.dt-robotica ul,.dt-robotica ol{padding-left:22px;margin:0 0 14px}
.dt-robotica li{margin:3px 0}
.dt-robotica a{color:var(--accent)}
.dt-robotica code,.dt-robotica kbd{font-family:var(--f-mono);font-size:.9em;background:var(--accent-soft);padding:1px 5px;border-radius:3px}
.dt-robotica abbr{text-decoration:none;border-bottom:1px dotted var(--muted)}
.dt-robotica .goals{background:var(--accent-soft);border-radius:6px;padding:16px 20px;margin:18px 0 24px}
.dt-robotica .goals strong,.dt-robotica .box .lbl{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin-bottom:6px}
.dt-robotica .goals strong{color:var(--accent)}
.dt-robotica .goals ol,.dt-robotica .goals ul{margin:0}
.dt-robotica .box{border-left:3px solid var(--accent);background:var(--surface);border-radius:0 6px 6px 0;padding:14px 18px;margin:20px 0}
.dt-robotica .box p:last-child,.dt-robotica .box ul:last-child,.dt-robotica .box ol:last-child{margin-bottom:0}
.dt-robotica .box .lbl{color:var(--accent)}
.dt-robotica .box.ex{border-color:var(--ok)}
.dt-robotica .box.ex .lbl{color:var(--ok)}
.dt-robotica .box.warn{border-color:var(--copper);background:var(--copper-soft)}
.dt-robotica .box.warn .lbl{color:var(--copper)}
.dt-robotica .box.lab{border-color:var(--copper)}
.dt-robotica .box.lab .lbl{color:var(--copper)}
.dt-robotica .eq{display:flex;align-items:center;gap:16px;margin:18px 0;padding:12px 18px;background:var(--surface);border:1px solid var(--rule);border-radius:6px;overflow-x:auto}
.dt-robotica .eq .m{flex:1;text-align:center;font-family:var(--f-display);font-size:1.18rem;white-space:nowrap}
.dt-robotica .eq .k{font-family:var(--f-mono);font-size:13px;color:var(--muted)}
.dt-robotica .frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;font-size:.92em;margin:0 3px}
.dt-robotica .frac>span:first-child{border-bottom:1px solid currentColor;padding:0 4px}
.dt-robotica .frac>span:last-child{padding:0 4px}
.dt-robotica .mat{display:inline-grid;vertical-align:middle;gap:2px 16px;padding:2px 10px;border-left:1.5px solid currentColor;border-right:1.5px solid currentColor;border-radius:5px;margin:0 4px;font-size:.95em;text-align:center}
.dt-robotica .calc{font-family:var(--f-mono);font-size:14px;background:var(--bg);border-radius:4px;padding:10px 14px;margin:10px 0;overflow-x:auto;white-space:pre}
.dt-robotica figure{margin:28px 0}
.dt-robotica figure .plate{background:var(--surface);border:1px solid var(--rule);border-radius:6px;padding:14px;overflow-x:auto}
.dt-robotica figure .plate svg{display:block;margin:0 auto;max-width:100%;height:auto}
.dt-robotica figcaption{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.5}
.dt-robotica figcaption b{color:var(--ink)}
.dt-robotica .tbl{overflow-x:auto;margin:20px 0;border:1px solid var(--rule);border-radius:6px;background:var(--surface)}
.dt-robotica table{border-collapse:collapse;width:100%;font-size:14.5px}
.dt-robotica th,.dt-robotica td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--rule)}
.dt-robotica thead th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--bg)}
.dt-robotica tbody tr:last-child td{border-bottom:0}
.dt-robotica td.n,.dt-robotica th.n{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--f-mono);font-size:13.5px}
.dt-robotica .tcap{font-size:14px;color:var(--muted);margin:-10px 0 20px}
.dt-robotica details{border:1px solid var(--rule);border-radius:6px;background:var(--surface);margin:10px 0}
.dt-robotica summary{cursor:pointer;padding:10px 16px;font-weight:500}
.dt-robotica summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.dt-robotica details .ans{padding:12px 16px 14px;border-top:1px solid var(--rule)}
.dt-robotica details .ans p:last-child{margin-bottom:0}
.dt-robotica .exlist{counter-reset:ex;list-style:none;padding:0}
.dt-robotica .exlist>li{counter-increment:ex;margin:18px 0;padding-left:38px;position:relative}
.dt-robotica .exlist>li::before{content:"1." counter(ex);position:absolute;left:0;top:0;font-family:var(--f-mono);font-size:13px;color:var(--accent);font-weight:500}
.dt-robotica dl.gloss{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--rule);border-radius:6px;background:var(--surface);overflow:hidden;margin:20px 0;font-size:14.5px}
.dt-robotica dl.gloss dt,.dt-robotica dl.gloss dd{margin:0;padding:8px 12px;border-bottom:1px solid var(--rule)}
.dt-robotica dl.gloss dt{font-weight:600}
.dt-robotica dl.gloss dd{color:var(--muted);font-style:italic}
.dt-robotica ol.refs li{margin:8px 0;font-size:15px}
.dt-robotica .credits{font-size:13.5px;color:var(--muted);border-top:1px solid var(--rule);margin-top:56px;padding-top:16px}
@media  print{.dt-robotica nav.toc{display:none}
.dt-robotica .shell{display:block}
.dt-robotica{background:#fff}
.dt-robotica details{break-inside:avoid}
.dt-robotica details .ans{display:block}}
.dt-robotica figure .plate svg text{font-family:var(--f-body);fill:var(--ink);font-size:13px}
.dt-robotica .fk{fill:var(--ink)}
.dt-robotica .fa{fill:var(--accent)}
.dt-robotica .fc{fill:var(--copper)}
.dt-robotica .s1{stroke:var(--muted);stroke-width:1.2;fill:none}
.dt-robotica .s2{stroke:var(--ink);stroke-width:2;fill:none}
.dt-robotica .sk{stroke:var(--ink);stroke-width:1.6;fill:none}
.dt-robotica .sa{stroke:var(--accent);stroke-width:1.8;fill:none}
.dt-robotica .sc{stroke:var(--copper);stroke-width:1.8;fill:none}
.dt-robotica .lko{stroke:var(--accent)}
.dt-robotica .lki{stroke:var(--accent-soft)}
.dt-robotica .lkb{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.6}
.dt-robotica .jt{fill:var(--surface);stroke:var(--ink);stroke-width:2}
.dt-robotica .bx{fill:var(--surface);stroke:var(--ink);stroke-width:1.3}
.dt-robotica .bxa{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.5}
.dt-robotica .bxc{fill:var(--copper-soft);stroke:var(--copper);stroke-width:1.5}
.dt-robotica .bxp{fill:none;stroke:var(--rule);stroke-width:1}
.dt-robotica .wsf{fill:var(--accent-soft)}
.dt-robotica .tgr{fill:none;stroke:var(--rule);stroke-width:1.5}
.dt-robotica figure .plate svg .tb{font-weight:600}
.dt-robotica figure .plate svg .tm{font-family:var(--f-mono);font-weight:500;fill:var(--accent)}
.dt-robotica figure .plate svg .tmu{fill:var(--muted)}
.dt-robotica figure .plate svg .ta{fill:var(--accent)}
.dt-robotica figure .plate svg .tal{fill:var(--accent);font-style:italic;font-weight:600;font-size:15px}
.dt-robotica figure .plate svg .tcl{fill:var(--copper);font-weight:600}
.dt-robotica figure .plate svg .sub{font-size:10px}
.dt-robotica{--bg:#f3f6f9;--surface:#fff;--ink:#0e1a26;--muted:#5f6670;--rule:#d6dee6;--accent:#00629b;--accent-soft:#e4eff8;--copper:#a0510f;--copper-soft:#f6eadf;--ok:#1f7a4d;--ok-soft:#e1f1e8;--f-display:"IBM Plex Serif",Georgia,serif;--f-body:"IBM Plex Sans",Arial,sans-serif;--f-mono:"IBM Plex Mono",monospace;background:var(--bg);color:var(--ink);padding:0 24px;font-family:var(--f-body);font-size:16px;line-height:1.6;min-width:0}
.dt-robotica .shell{max-width:1240px;margin:auto}
.dt-robotica .robot-main{min-width:0}
.dt-robotica .read{max-width:100%}
.dt-robotica figure .plate{max-width:100%}
.dt-robotica figure svg{max-width:100%;height:auto}
.dt-robotica nav.toc{top:75px;max-height:calc(100vh - 85px)}
@media(max-width:960px){.dt-robotica nav.toc{max-height:none}}
@media(max-width:600px){.dt-robotica{padding:0 14px}.dt-robotica .shell{display:block}.dt-robotica .eq{padding:8px}.dt-robotica dl.gloss{grid-template-columns:1fr 1.5fr}}