/* TeCoBot renderer + Play UI styles (shared by the hero and Play pages). */
:root{
  --paper:#F2F4F1; --panel:#E9ECE8; --ink:#14181A; --muted:#5A6166; --rule:#CBD1CD;
  --shell:#FFFFFF; --strut:#14181A; --tendon:#8A9490; --cable:#B89B3E; --accent:#C8322B;
  --stage:#E9ECE8;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#121614; --panel:#1B201D; --ink:#E7EBE8; --muted:#99A29D; --rule:#2C3430;
    --shell:#F2F5F3; --strut:#0A0C0D; --tendon:#9BA6A1; --cable:#D6BC63; --accent:#E04A42;
    --stage:#1B201D;
  }
}
:root[data-theme="dark"]{
  --paper:#121614; --panel:#1B201D; --ink:#E7EBE8; --muted:#99A29D; --rule:#2C3430;
  --shell:#F2F5F3; --strut:#0A0C0D; --tendon:#9BA6A1; --cable:#D6BC63; --accent:#E04A42;
  --stage:#1B201D;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Archivo",system-ui,sans-serif;font-size:16px;line-height:1.5}
.wrap{max-width:1240px;margin:0 auto;padding:28px 20px 56px}
h1{margin:0;font-weight:800;font-variation-settings:"wdth" 118;font-size:clamp(28px,4.6vw,44px);line-height:1.02}
.lede{margin:8px 0 0;color:var(--muted);max-width:66ch}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px;margin-top:20px;align-items:start}
@media (max-width:860px){.layout{grid-template-columns:minmax(0,1fr)}}
.view{position:relative;background:var(--stage);border-radius:16px;overflow:hidden;touch-action:none;cursor:grab;justify-self:center}
.view:active{cursor:grabbing}
.view.panning{cursor:move}
.view.panning:active{cursor:grabbing}
canvas{display:block;margin:0 auto}
.tag{position:absolute;left:14px;top:12px;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.01em}
.caveat{position:absolute;right:14px;bottom:10px;margin:0;font-size:11.5px;color:var(--muted);
  opacity:.72;pointer-events:none;max-width:60%;text-align:right}
.side{border:1.5px solid var(--rule);border-radius:16px;padding:16px}
.side h2{margin:0 0 10px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.row{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:3px 0}
.row span:last-child{font-variant-numeric:tabular-nums;font-weight:600}
.key{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);padding:3px 0}
.sw{width:22px;height:0;border-top-width:3px;border-top-style:solid;flex:none}
hr{border:0;border-top:1.5px solid var(--rule);margin:14px 0}
.controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:16px}
button{font:inherit;font-weight:600;font-size:14px;padding:9px 16px;border-radius:999px;border:1.5px solid var(--rule);background:var(--paper);color:var(--ink);cursor:pointer}
button.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
label{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px}
select{font:inherit;font-size:14px;padding:7px 10px;border-radius:10px;border:1.5px solid var(--rule);background:var(--paper);color:var(--ink);max-width:260px}
input[type=range]{width:min(200px,42vw);accent-color:var(--accent)}
.note{font-size:13px;color:var(--muted);margin-top:14px;max-width:74ch}
.note code{font-size:12px;background:var(--panel);padding:1px 5px;border-radius:5px}
/* The stage is sized to leave the controls on screen, so on a short display
   the canvas letterboxes inside it rather than pushing the page below the fold. */
.pageHead{margin-bottom:2px}
details.about{margin-top:12px}
details.about summary{font-size:13px;color:var(--muted);cursor:pointer}
details.about .note{margin-top:8px}
@media (max-height:900px){
  .wrap{padding:12px 16px 20px}
  h1{font-size:clamp(19px,2.6vw,26px)}
  .lede{display:none}
  .layout{margin-top:10px;gap:14px}
  .controls{margin-top:10px;gap:8px 12px}
}
.splash{position:absolute;inset:0;display:none;align-items:flex-end;justify-content:center;
  padding:0 24px 7vh;pointer-events:none;z-index:5;text-align:center}
/* The stage is always the studio palette behind the splash, so the type is
   light whatever the system theme is, and sits over a scrim rather than
   competing with the robot moving behind it. */
.splash::before{content:"";position:absolute;inset:auto 0 0;height:50%;
  background:linear-gradient(to top,rgba(8,9,9,.985) 34%,rgba(8,9,9,.88) 60%,rgba(8,9,9,0))}
body.splashing .splash{display:flex}
body.splashing .layout{min-height:100vh}
body.splashing .tag,body.splashing .caveat{display:none}
body.splashing .view{cursor:default;touch-action:auto}
@media (min-width:900px){
  .splash{align-items:center;justify-content:flex-start;padding:0 0 0 clamp(28px,6vw,86px);
    text-align:left}
  .splash::before{inset:0;height:auto;
    background:linear-gradient(to right,rgba(8,9,9,.96) 24%,rgba(8,9,9,.62) 38%,rgba(8,9,9,0) 50%)}
  .splashInner{max-width:30ch}
  .paperLine{margin-bottom:22px}
}
body.splashing .pageHead,body.splashing #below,body.splashing .side,
body.splashing details.about{display:none}
body.splashing .wrap{max-width:none;padding:0}
body.splashing .layout{grid-template-columns:minmax(0,1fr);gap:0;margin:0}
body.splashing .view{border-radius:0}
.splashInner{pointer-events:auto;max-width:44ch}
.paperLine{position:relative;margin:0 0 18px;font-size:13px;line-height:1.5}
.paperTitle{color:rgba(243,246,244,.92);font-weight:600;text-decoration:none;border-bottom:1px solid rgba(243,246,244,.3)}
.paperTitle:hover{border-bottom-color:rgba(243,246,244,.8)}
.paperVenue{color:rgba(243,246,244,.55)}
.paperLinks{display:block;margin-top:6px;color:rgba(243,246,244,.45);font-variant-numeric:tabular-nums}
.paperLinks a{color:rgba(243,246,244,.82);text-decoration:none}
.paperLinks a:hover{text-decoration:underline}
.scrollCue{position:relative;margin:18px 0 0;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:rgba(243,246,244,.42)}
#story{display:none;max-width:760px;margin:0 auto;padding:56px 24px 96px}
body.splashing #story{display:block}
.st{margin:0 0 40px}
.st h2{margin:0 0 8px;font-size:13px;font-weight:700;text-transform:uppercase;
  letter-spacing:.08em;color:var(--muted)}
.st p{margin:0 0 12px;font-size:16.5px;line-height:1.62}
.stCta{margin-top:22px}
.stCta .playBtn{background:var(--ink);color:var(--paper);border-color:var(--ink);box-shadow:none}
.bib{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;line-height:1.5;
  background:var(--panel);border-radius:12px;padding:14px 16px;overflow-x:auto;margin:0}
.splashTitle{color:#F3F6F4;position:relative;font-size:clamp(34px,7vw,66px);font-weight:800;margin:0;letter-spacing:-.015em;
  font-variation-settings:"wdth" 118}
.splashSub{position:relative;margin:4px 0 22px;color:rgba(243,246,244,.72);font-size:clamp(13px,1.7vw,17px)}
.playBtn{position:relative;background:#fff;color:#14181A;border-color:#fff;font-size:17px;padding:14px 28px;
  box-shadow:0 12px 34px rgba(0,0,0,.34)}
.desc{margin:12px 0 0;max-width:72ch;font-size:14.5px;color:var(--muted)}
.rig{align-items:center}
.rig[hidden]{display:none}
.rig label{font-size:13px}
.rig input[type=range]{width:118px}
.riglabel{font-size:11px;letter-spacing:.09em;text-transform:uppercase;opacity:.6}
.rigsep{width:1px;align-self:stretch;background:var(--rule);margin:2px 4px}
.rigread{font-size:12px;opacity:.65;font-variant-numeric:tabular-nums}
.rig output{font-variant-numeric:tabular-nums;font-size:12px;opacity:.65;min-width:46px;display:inline-block}
.rig input:disabled{opacity:.35}
.note.warn{color:var(--accent);font-weight:600}
.caveat{opacity:.7}
.palHint{position:absolute;left:14px;bottom:10px;margin:0;font-size:11.5px;opacity:.7;pointer-events:none}
.palHint[hidden]{display:none}
body.splashing .palHint{display:none}
@media (max-width:560px){ .palHint{bottom:28px} }
.tag{opacity:.8}
/* phones: the palette hint wraps to two lines in the bottom-left corner and
   shares the bottom edge with the caveat, which stays bottom-right */
@media (max-width:560px){
  .palHint{bottom:10px;max-width:15.5em;line-height:1.3}
  .caveat{max-width:9.5em;text-align:right;line-height:1.3}
}