/* Scoped progressive enhancement: the original controls remain usable if JS
   cannot compose the shell. No canvas/model/camera styles are changed. */
body.sim-ui { --menu-bg:rgba(10,10,13,.96); --menu-line:#34343f; --menu-muted:#a8a8b2; --menu-accent:#d8d8df; --menu-text:#f2f2f5; --menu-selected:#34343f; }
/* Graphite UI only: inherited legacy accents are scoped to DOM controls,
   never to the canvas, vehicle materials or physical light signatures. */
.sim-ui #simMenuUi { --cyan:var(--menu-accent); --ink:var(--menu-text); --dim:var(--menu-muted); --hair:var(--menu-line); --panel:var(--menu-bg); color:var(--menu-text); color-scheme:dark; accent-color:var(--menu-accent); }
.sim-ui #previewBoot { --cyan:var(--menu-accent); background:var(--menu-bg); color:var(--menu-text); border-color:var(--menu-line); }
.sim-ui #previewRetry { color:#101014; }
.sim-ui #previewBoot p { color:var(--menu-muted); }
.sim-ui #simMenuUi #adsBadge.active { color:var(--menu-accent); }
/* Descriptions are absent from the visual/accessible viewer, including hover
   callouts. Retain labels, service state, controls and opt-in battery data. */
body.sim-ui #ptip,
body.sim-ui #simInspector :is(#modulePanel,#drawerPanel,#lightingPanel) > :is(p,small,details),
body.sim-ui #simInspector #moduleReadout,
body.sim-ui #simInspector #drawerReadout > div { display:none!important; }
.sim-ui #simMenuUi { position:fixed; inset:14px; z-index:10; display:grid; grid-template-rows:auto auto minmax(0,1fr) auto; gap:10px; pointer-events:none; }
.sim-ui #simMenuUi [hidden] { display:none!important; }
.sim-ui .sim-header,.sim-ui .sim-inspector,.sim-ui .sim-popover,.sim-ui #chips,.sim-ui .sim-transport { background:var(--menu-bg); border:1px solid var(--menu-line); border-radius:10px; box-shadow:0 8px 26px #0003; }
.sim-ui .sim-header { position:relative; display:flex; align-items:center; gap:20px; padding:10px 14px; pointer-events:auto; z-index:4; }
.sim-ui .plate { position:static; width:auto; max-width:none; flex:1; padding:0; border:0; background:none; animation:none; backdrop-filter:none; min-width:165px; }
.sim-ui .plate h1 { font-size:21px; letter-spacing:.015em; }
.sim-ui .plate h1 span { color:var(--menu-accent); }
.sim-ui .plate .sub { font-size:12px; letter-spacing:.015em; text-transform:none; color:var(--menu-muted); margin-top:4px; }
.sim-ui #adsBadge { font-size:12px; letter-spacing:.025em; margin:5px 0 0; }
.sim-ui .sim-toolbar,.sim-ui .sim-versions { display:flex; align-items:center; gap:6px; }
.sim-ui .sim-versions { padding:3px; background:#08080b; border:1px solid #2a2a33; border-radius:8px; }
.sim-ui #simMenuUi button,.sim-ui #simMenuUi select,.sim-ui #simMenuUi summary { font-family:inherit; font-size:14px; line-height:1.3; letter-spacing:0; }
.sim-ui .sim-control,.sim-ui #simMenuUi .tbtn { min-height:42px; padding:10px 13px; border:1px solid var(--menu-line); border-radius:7px; color:#d2d2da; background:#18181e; cursor:pointer; backdrop-filter:none; white-space:nowrap; }
.sim-ui #simMenuUi .tbtn.on,.sim-ui #simMenuUi .xbtn.on { color:var(--menu-text); border-color:#82828e; background:var(--menu-selected); }
.sim-ui #simMenuUi .ver { border-color:transparent; background:transparent; }
.sim-ui #simMenuUi .ver.on { color:var(--menu-text); border-color:#82828e; background:var(--menu-selected); }
.sim-ui #simMenuUi button:focus-visible,.sim-ui #simMenuUi summary:focus-visible,.sim-ui #simMenuUi select:focus-visible,.sim-ui #simMenuUi input:focus-visible,.sim-ui #simMenuUi a:focus-visible { outline:2px solid var(--menu-accent); outline-offset:3px; }
.sim-ui #simMenuUi button:hover:not(:disabled):not(.on),.sim-ui .sim-control:hover { background:#282830; color:#fff; }
.sim-ui #simMenuUi button:disabled { opacity:.45; cursor:not-allowed; }
.sim-ui .sim-menu > summary { list-style:none; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.sim-ui .sim-menu > summary::-webkit-details-marker { display:none; }
.sim-ui .sim-menu > summary::after { content:'⌄'; color:var(--menu-muted); }
.sim-ui .sim-menu[open] > summary { border-color:#82828e; background:#282830; }
.sim-ui .sim-menu[open] > summary::after { content:'⌃'; }
.sim-ui .sim-popover { position:absolute; top:calc(100% + 8px); right:0; width:340px; max-width:calc(100vw - 28px); max-height:min(65dvh,640px); padding:14px; overflow:auto; overscroll-behavior:contain; pointer-events:auto; }
.sim-ui .sim-eyebrow { color:var(--menu-muted); font-size:12px; font-weight:600; line-height:1.4; letter-spacing:.05em; text-transform:uppercase; }
.sim-ui .sim-popover > .sim-eyebrow { margin-bottom:12px; }
.sim-ui #simViewMenu .sim-popover > button { width:100%; text-align:left; margin-bottom:6px; }
.sim-ui #simInfoMenu .sim-popover { width:390px; }
.sim-ui .sim-context { display:flex; align-items:center; gap:10px; position:relative; z-index:3; }
.sim-ui .sim-context .sim-menu { pointer-events:auto; }
.sim-ui .sim-context .sim-popover { left:0; right:auto; width:370px; }
.sim-ui #truthBanner { position:static; transform:none; min-width:0; max-width:none; width:auto; padding:7px 10px; border:1px solid #463f31; border-radius:7px; margin-left:auto; text-align:right; background:rgba(10,10,13,.92); backdrop-filter:none; font-size:12px; font-weight:500; line-height:1.4; letter-spacing:0; text-transform:none; color:#e6bf81; }
.sim-ui #truthBanner small { display:none; }
.sim-ui #platformInspection,.sim-ui #horizonControls,.sim-ui #xlayers { position:static; inset:auto; transform:none; width:auto; min-width:0; max-width:none; margin:0; padding:0; border:0; background:none; border-radius:0; overflow:visible; backdrop-filter:none; }
.sim-ui #platformInspection.on,.sim-ui #horizonControls:not([hidden]),.sim-ui #xlayers.on { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:6px; }
.sim-ui #platformInspection .inspect-label,.sim-ui #horizonControls > span { display:none; }
.sim-ui #platformInspection button,.sim-ui #horizonControls button,.sim-ui #xlayers button { min-height:44px; padding:10px 12px; text-align:left; white-space:normal; border-radius:7px; border:1px solid #34343f; color:#c8c8d0; background:#18181e; }
.sim-ui #platformInspection button.on,.sim-ui #horizonControls button.on { border-color:#82828e; background:var(--menu-selected); color:var(--menu-text); }
.sim-ui #xlayers.on { margin-top:10px; padding-top:12px; border-top:1px solid var(--menu-line); }
.sim-ui .sim-workspace { position:relative; z-index:1; min-height:0; display:flex; justify-content:flex-end; align-items:flex-start; }
.sim-ui #ashEndComparison { position:relative; inset:auto; transform:none; width:min(760px,100%); max-height:100%; margin:0 auto; pointer-events:auto; border-radius:10px; }
.sim-ui #ashEndComparison :is(.ec-sub,.ec-legend,figcaption,.ec-key,.ec-axles,.ec-note,.ec-revision,.ec-metric span) { font-size:13px; line-height:1.5; }
.sim-ui #ashEndComparison button { min-height:44px; }
.sim-ui .sim-inspector { width:340px; max-width:100%; max-height:100%; display:flex; flex-direction:column; pointer-events:auto; overflow:hidden; }
.sim-ui .sim-inspector-head { display:flex; align-items:center; gap:5px; padding:8px 10px 8px 14px; flex-shrink:0; }
.sim-ui .sim-inspector-head > span { flex:1; }
.sim-ui .sim-inspector-head button { width:36px; min-height:36px; padding:4px; font-size:21px!important; background:transparent; }
.sim-ui .sim-inspector-body { overflow:auto; min-height:0; overscroll-behavior:contain; border-top:1px solid var(--menu-line); }
.sim-ui #simInspector :is(#modulePanel,#drawerPanel,#horizonPanel,#diag,#robotReadout,#lightingPanel) { position:static; inset:auto; transform:none; width:auto; max-width:none; max-height:none; padding:14px; margin:0; border:0; border-radius:0; overflow:visible; background:none; backdrop-filter:none; font-family:inherit; font-size:14px; line-height:1.55; }
.sim-ui #simInspector #robotReadout.on,.sim-ui #simInspector #diag.on { display:block!important; }
.sim-ui.lighting-open #simInspector :is(#modulePanel,#drawerPanel,#horizonPanel,#diag,#robotReadout) { display:none!important; }
.sim-ui #simInspector #diag.on + #robotReadout.on { border-top:1px solid var(--menu-line); }
.sim-ui #simInspector h2 { font-size:16px; line-height:1.35; margin-bottom:8px; color:var(--menu-text); }
.sim-ui #simInspector :is(p,label,small,#moduleReadout,#drawerReadout,#adsReadout,.hm,.rr,.dr,details,summary,.scope-note) { font-size:13px; line-height:1.55; }
.sim-ui #simInspector :is(p,small) { display:block; color:#b8b8c2; }
.sim-ui #simInspector :is(.dh,.rh) { color:#b8b8c2; font-size:12px; line-height:1.5; letter-spacing:.03em; }
.sim-ui #simInspector :is(.dk,.hm span) { color:#a8a8b2; }
.sim-ui #simInspector .dr { gap:14px; padding:6px 0; }
.sim-ui #simInspector .dv { text-align:right; overflow-wrap:anywhere; }
.sim-ui #simInspector .hm { display:block; width:auto; padding:8px 0; }
.sim-ui #simInspector :is(select,button) { min-height:44px; border-color:var(--menu-line); background:#18181e; color:var(--menu-text); }
.sim-ui #simInspector select { width:100%; max-width:100%; background:#18181e; color:var(--menu-text); }
.sim-ui #simInspector button.on { background:var(--menu-selected); border-color:#82828e; color:var(--menu-text); }
.sim-ui #simInspector :is(label,#adsReadout) { color:var(--menu-muted); }
.sim-ui #simInspector :is(summary,a) { color:var(--menu-accent); }
.sim-ui #simInspector :is(#moduleReadout,#drawerReadout,details) { border-color:var(--menu-line); }
.sim-ui #simInspector :is(button,select,input):focus-visible { outline-color:var(--menu-accent); }
.sim-ui #simInspector :is(.light-profiles,.drawer-actions) { flex-wrap:wrap; }
.sim-ui #simInspector .light-profiles button { flex:1; }
.sim-ui #simInspector small { font-size:12px; }
.sim-ui #simInspector #drawerReadout { min-height:0; }
.sim-ui #simMenuUi #spec,.sim-ui #simMenuUi #evidence,.sim-ui #simMenuUi #swapNote { position:static; inset:auto; transform:none; width:auto; min-width:0; max-width:none; max-height:none; padding:0; overflow:visible; background:none; border:0; border-radius:0; animation:none!important; backdrop-filter:none; font-size:13px; line-height:1.55; }
.sim-ui #simInfoMenu #spec,.sim-ui #simInfoMenu #evidence { display:block!important; }
.sim-ui #simInfoMenu #evidence,.sim-ui #simInfoMenu #swapNote.on { margin-top:18px; border-top:1px solid var(--menu-line); padding-top:14px; }
.sim-ui #simInfoMenu #swapNote.on { display:block!important; color:#d7bb8e; }
.sim-ui #simInfoMenu #spec h3 { font-size:17px; }
.sim-ui #simInfoMenu #spec p { font-size:13px; color:var(--menu-muted); }
.sim-ui #simInfoMenu .row { font-family:inherit; font-size:13px; padding:8px 0; }
.sim-ui #simInfoMenu .row .k { color:var(--menu-muted); }
.sim-ui #simInfoMenu .row .v { overflow-wrap:anywhere; }
.sim-ui #simInfoMenu .confidence { white-space:normal; font-size:11px; }
.sim-ui #simInfoMenu #evidence .eh { font-size:12px; }
.sim-ui #simInfoMenu #evidence .sources { color:var(--menu-muted); }
.sim-ui .sim-footer { position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; gap:8px; min-width:0; }
.sim-ui .sim-transport { padding:8px; max-width:100%; min-width:0; pointer-events:auto; }
.sim-ui #simMenuUi #timeline,.sim-ui #simMenuUi #stateReadout { position:static; inset:auto; transform:none; width:auto; min-width:0; max-width:100%; margin:0; padding:0; border:0; background:none; border-radius:0; backdrop-filter:none; }
.sim-ui #simMenuUi #timeline.on { display:flex!important; gap:3px; overflow-x:auto; scrollbar-width:thin; scrollbar-color:#555560 transparent; }
.sim-ui #simMenuUi #stateReadout.on { display:block!important; padding:2px 6px 8px; font-size:12px; line-height:1.45; letter-spacing:.025em; color:#c8c8d0; }
.sim-ui #simMenuUi .ph { flex:0 0 auto; min-height:40px; padding:8px 10px; font-size:12px; text-transform:none; letter-spacing:0; color:#b8b8c2; border-radius:6px; }
.sim-ui #simMenuUi .ph.on { color:var(--menu-text); background:var(--menu-selected); }
.sim-ui #simMenuUi .ph.play { color:var(--menu-accent); }
.sim-ui #simMenuUi #playBtn { position:sticky; left:0; z-index:1; background:#18181e; box-shadow:5px 0 8px #0004; }
.sim-ui #chips { position:static; inset:auto; width:auto; max-width:100%; display:flex; flex-wrap:nowrap; justify-content:flex-start; gap:4px; padding:6px; overflow-x:auto; pointer-events:auto; scrollbar-width:thin; scrollbar-color:#555560 transparent; }
.sim-ui #chips::-webkit-scrollbar { display:block; height:4px; }
.sim-ui #chips::-webkit-scrollbar-thumb { background:#555560; border-radius:4px; }
.sim-ui #chips .chip { display:flex; align-items:center; gap:7px; flex:0 0 auto; min-height:44px; padding:10px 15px; border-radius:7px; border:1px solid transparent; background:transparent; font-size:14px; letter-spacing:0; color:#b8b8c2; backdrop-filter:none; }
.sim-ui #chips .chip.on { color:var(--menu-text); border-color:#82828e; background:var(--menu-selected); }
.sim-ui .sim-version-tag { font-size:11px; line-height:1.2; min-width:19px; padding:2px 4px; border:1px solid currentColor; border-radius:4px; text-align:center; opacity:.85; }
.sim-ui .brand { display:none; }
.sim-ui #ptip { z-index:11; }
@media(max-width:900px) {
  .sim-ui #simMenuUi { inset:10px; gap:8px; }
  .sim-ui .sim-header { gap:10px; padding:10px; flex-wrap:wrap; }
  .sim-ui .plate { min-width:140px; }
  .sim-ui .sim-toolbar { margin-left:auto; }
  .sim-ui #simMenuUi .sim-control,.sim-ui #simMenuUi .tbtn { min-height:44px; }
  .sim-ui #truthBanner { max-width:55%; font-size:12px; }
  .sim-ui .sim-inspector { width:320px; }
  .sim-ui #chips { width:100%; }
  .sim-ui #chips .chip { padding:10px 13px; }
}
@media(max-width:600px) {
  .sim-ui #simMenuUi { inset:8px; top:max(8px,env(safe-area-inset-top)); bottom:max(8px,env(safe-area-inset-bottom)); }
  .sim-ui .sim-header { gap:8px; }
  .sim-ui .plate h1 { font-size:18px; }
  .sim-ui .plate .sub { font-size:12px; }
  .sim-ui #adsBadge { font-size:12px; }
  .sim-ui .sim-versions { gap:0; }
  .sim-ui #simMenuUi .ver { padding:8px; font-size:13px; }
  .sim-ui .sim-toolbar { width:100%; justify-content:space-between; gap:5px; }
  .sim-ui .sim-toolbar > .sim-menu,.sim-ui .sim-toolbar > #lightingBtn { flex:1; }
  .sim-ui .sim-control { padding:9px 11px; }
  .sim-ui .sim-context { align-items:flex-start; gap:8px; }
  .sim-ui #truthBanner { flex:1; font-size:12px; line-height:1.45; max-width:none; padding:5px 8px; }
  .sim-ui .sim-context .sim-control { white-space:normal; max-width:190px; text-align:left; }
  .sim-ui .sim-popover,.sim-ui .sim-context .sim-popover,.sim-ui #simInfoMenu .sim-popover { width:100%; max-width:none; right:0; left:0; max-height:53dvh; }
  .sim-ui .sim-workspace { align-items:flex-end; }
  .sim-ui .sim-inspector { width:100%; max-height:min(100%,38dvh); }
  .sim-ui .sim-inspector-head button { width:44px; min-height:44px; }
  .sim-ui #simInspector :is(#modulePanel,#drawerPanel,#horizonPanel,#diag,#robotReadout,#lightingPanel) { padding:12px; }
  .sim-ui .sim-transport { width:100%; }
  .sim-ui #simMenuUi .ph { min-height:44px; }
  .sim-ui #simMenuUi #stateReadout.on { max-height:60px; overflow:auto; }
}
@media(max-height:540px) and (min-width:601px) {
  .sim-ui #simMenuUi { inset:6px; gap:5px; }
  .sim-ui .sim-header { flex-wrap:nowrap; padding:6px 10px; gap:8px; }
  .sim-ui .plate { min-width:85px; }
  .sim-ui .plate .sub { display:none; }
  .sim-ui #adsBadge { font-size:12px; margin-top:3px; }
  .sim-ui #simMenuUi .sim-control,.sim-ui #simMenuUi .tbtn { padding:8px; }
  .sim-ui .sim-popover { max-height:58dvh; }
  .sim-ui .sim-inspector-head { padding:5px 10px; }
  .sim-ui #chips { padding:3px; }
  .sim-ui .sim-footer { gap:4px; }
  .sim-ui .sim-transport { padding:4px; }
}
@media(prefers-reduced-motion:reduce) {
  .sim-ui #simMenuUi * { animation:none!important; transition:none!important; scroll-behavior:auto!important; }
}