/* Permanent pond workspace: layers left, interactive canvas center, details right. */

:root{--headerH:64px;--tapeA:#FF6FD8;--tapeB:#6FD8FF}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
html{overflow-x:clip;background:var(--bg)}
body{
  background:var(--bg);color:var(--text);
  font:400 14px/1.5 var(--sans);
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;
  overflow:hidden;
  height:100vh;height:100dvh;
}
a{color:var(--ok)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

/* ============================= app shell ============================= */
.app{
  flex:1 1 auto;display:grid;min-height:0;
  --controlsWidth:310px;--detailsWidth:340px;
  grid-template-columns:var(--controlsWidth) minmax(260px,1fr) var(--detailsWidth);
  grid-template-rows:auto minmax(0,1fr);
}

/* ============================= stage ================================= */
.stageArea{
  position:relative;grid-column:2;grid-row:2;min-width:0;min-height:0;
  background:var(--bg-deep);overflow:hidden;
}
#stage{position:absolute;inset:0}
canvas{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}

#hud{
  position:absolute;left:16px;bottom:16px;z-index:5;
  background:var(--pt-panel);border:1px solid var(--rule);
  border-radius:999px;padding:7px 14px;
  font:600 12px/1 var(--mono);color:var(--text-2);
  letter-spacing:.01em;pointer-events:none;
  backdrop-filter:blur(6px);
}

/* ---- stale-trace recovery ---- */
.staleWarn{
  position:absolute;left:50%;top:16px;transform:translateX(-50%);z-index:7;
  display:none;flex-direction:column;gap:10px;width:min(560px,calc(100% - 32px));
  background:var(--pt-warning-bg);border:1px solid var(--pt-warning-border);border-radius:12px;
  color:var(--text);padding:14px 16px;font-size:12.5px;line-height:1.5;
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.staleWarnText{margin:0;color:var(--pt-warning)}
.staleWarnBtns{display:flex;gap:8px;flex-wrap:wrap}
.staleWarnBtns button{flex:none}
#staleWarnDiscard,#staleWarnClose{background:transparent;border-color:var(--pt-warning-border);color:var(--pt-warning)}
.staleWarnChip{
  position:absolute;left:16px;top:16px;z-index:7;display:none;
  align-items:center;gap:6px;background:var(--pt-warning-bg);color:var(--pt-warning);
  border:1px solid var(--pt-warning-border);border-radius:999px;padding:8px 14px;
  font-size:12.5px;font-weight:600;
}

/* ============================= floating rail ========================== */
.rail{
  grid-column:1;grid-row:2;min-height:0;overflow:auto;
  display:flex;flex-direction:column;gap:20px;
  background:var(--surface);border-right:1px solid var(--rule);padding:18px 14px;
}
.railBtn{
  background:var(--surface-solid);border:1px solid var(--rule);color:var(--text);
  border-radius:var(--pt-radius-control);padding:9px 10px;font-size:13px;font-weight:600;cursor:pointer;
}
.railBtn:hover{border-color:var(--ok);color:var(--ok)}
.railPrimary{background:var(--accent);border-color:var(--accent);color:#FFFFFF}
.railPrimary:hover{color:#FFFFFF;background:var(--pt-accent-hover);border-color:var(--pt-accent-hover)}
.railDivider{height:1px;background:var(--rule);margin:2px 0}
.railSlider{display:flex;flex-direction:column;gap:5px}
.railSlider label{
  display:flex;justify-content:space-between;gap:8px;font-size:11px;
  color:var(--text-2);text-transform:uppercase;letter-spacing:.06em;
}
.railSlider label span{font-variant-numeric:tabular-nums;color:var(--text)}
input[type=range]{width:100%;accent-color:var(--ok);height:20px}

/* ============================= results strip =========================== */
.resultsStrip{
  grid-column:1 / -1;grid-row:1;display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  background:var(--surface);border-top:1px solid var(--rule);
  padding:14px 20px calc(14px + env(safe-area-inset-bottom));
}
.rsLabel{
  display:block;font-size:10px;font-weight:700;text-transform:uppercase;
  letter-spacing:.09em;color:var(--text-2);margin-bottom:3px;
}
.rsHero{flex:none}
.rsHeroValue{font-family:var(--serif);font-weight:900;font-size:clamp(30px,5vw,42px);
  line-height:1;color:var(--text);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.rsStat{flex:none}
.rsStatValue{font-family:var(--serif);font-weight:600;font-size:22px;line-height:1;
  color:var(--text);font-variant-numeric:tabular-nums}
.rsUnit{font-family:var(--sans);font-weight:600;font-size:13px;color:var(--text-2);margin-left:5px}
.rsStatus{margin-left:auto;flex:none;text-align:right}
.rsStatus .help{font-size:12px}

@keyframes rsPulse{
  0%{transform:scale(1);color:var(--ok)}
  40%{transform:scale(1.09);color:var(--ok)}
  100%{transform:scale(1);color:var(--text)}
}
.pulse{display:inline-block;animation:rsPulse .5s ease-out}

/* ============================= drawer =================================== */
.drawer{
  grid-column:3;grid-row:2;min-width:0;min-height:0;
  background:var(--surface);border-left:1px solid var(--rule);
  display:flex;flex-direction:column;
}
.drawerHead{
  display:flex;align-items:center;gap:6px;padding:14px 10px 0 12px;flex:none;
}
.drawerTabs{display:flex;gap:4px;flex-wrap:wrap;flex:1 1 auto}
.drawerTabs [role="tab"]{
  background:transparent;border:1px solid transparent;color:var(--text-2);
  border-radius:8px;padding:8px 9px;font-size:12.5px;font-weight:600;cursor:pointer;
}
.drawerTabs [role="tab"][aria-selected="true"]{
  background:var(--surface-solid);border-color:var(--rule);color:var(--ok);
}
.drawerTabs [role="tab"]:hover{color:var(--text)}
.drawerBody{flex:1 1 auto;overflow:auto;padding:6px 20px 18px}
.drawerPanel{padding-top:12px}

.controlsHelp{
  flex:none;border-top:1px solid var(--rule);padding:10px 20px;
}
.controlsHelp summary{
  cursor:pointer;font-size:12px;font-weight:700;color:var(--text-2);
  text-transform:uppercase;letter-spacing:.07em;
}
.controlsHelp summary:hover{color:var(--text)}
.controlsGrid{padding-top:10px;display:grid;gap:4px}
.controlsTouch{margin-top:6px;color:var(--text-2)}

/* ============================= shared panel bits ========================= */
.panelIntro{color:var(--text-2);font-size:13px;line-height:1.55;margin:0 0 14px}
.panelSubhead{
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-2);margin:20px 0 8px;
}
.fieldGroup{margin-bottom:6px}
/* pstat/fstat/pcount live here and have their className fully replaced by
   the tracer script (it only ever writes '', 'ok', 'warn' or 'bad' onto
   them) - so their baseline layout must not depend on any class of ours
   surviving that, only on this parent selector. */
.fieldGroup p{margin:6px 0 0;font-size:12px;color:var(--text-2)}
.btnRow{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.btnRow button{flex:1 1 auto}
button{
  background:var(--surface-solid);color:var(--text);border:1px solid var(--rule);
  border-radius:var(--pt-radius-control);padding:10px 12px;font-size:13px;font-weight:600;cursor:pointer;
}
button:hover{border-color:var(--ok)}
button.primary{background:var(--accent);border-color:var(--accent);color:#FFFFFF}
button.primary:hover{filter:brightness(1.08)}
input[type=text],input[type=number]{
  background:var(--bg-deep);color:var(--text);border:1px solid var(--rule);
  border-radius:8px;padding:8px 10px;font:inherit;font-size:13px;
}
input[type=checkbox]{accent-color:var(--ok);width:16px;height:16px}
label{color:var(--text)}
.statusLine{margin:0;font-size:12px}
.help{color:var(--text-2);font-size:12px}
.ok{color:var(--ok)}
.warn{color:var(--warn)}
.bad{color:var(--bad)}
kbd{
  background:var(--surface-solid);border:1px solid var(--rule);border-radius:4px;
  padding:1px 5px;font-size:11px;font-family:var(--mono);
}

/* Reserved for a paid tier - see the identical note in pond.html. Fully
   wired, only hidden. */
.premium{display:none}
body.show-premium .premium{display:block}
.premium textarea{
  width:100%;height:130px;background:var(--bg-deep);color:var(--text-2);
  font-variant-ligatures:none;border:1px solid var(--rule);border-radius:8px;
  padding:8px;font:11px/1.4 var(--mono);resize:vertical;margin-bottom:8px;
}

/* Camera controls dim in plan/drawing mode - toggled by the tracer script. */
.camoff{opacity:.4;pointer-events:none}

/* ============================= Photo / Layers ============================ */
.layers{margin-bottom:10px}
.layer{display:flex;align-items:center;gap:8px;padding:7px 4px;border-bottom:1px solid var(--rule)}
.layer:last-child{border-bottom:0}
.layer input[type=radio]{accent-color:var(--ok);flex:none}
.swatch{width:11px;height:11px;border-radius:3px;flex:none}
.layer label{flex:1;cursor:pointer;min-width:0;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;font-size:13px}
.layer .n{color:var(--text-2);font-size:11px;flex:none;font-variant-numeric:tabular-nums}
.ldepth{color:var(--text-2);font-size:11px;flex:none;font-variant-numeric:tabular-nums}
.ldepth-in{
  width:52px;background:var(--bg-deep);color:var(--text);border:1px solid var(--rule);
  border-radius:6px;padding:4px 6px;font:inherit;font-size:12px;flex:none;
}
.lwall{
  background:var(--surface-solid);color:var(--text-2);border:1px solid var(--rule);
  border-radius:6px;padding:3px 7px;font-size:11px;cursor:pointer;flex:none;
}
.lwall:hover{color:var(--text)}
.layer input[type=checkbox]{flex:none}

/* ============================= Scale (guided) ============================ */
.scaleRow{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--rule)}
.tapeDot{width:12px;height:12px;border-radius:50%;flex:none;margin-top:4px;
  box-shadow:0 0 0 3px rgba(255,255,255,.06)}
.scaleRowMain{flex:1;min-width:0}
.scaleRowMain label{display:block;font-size:13.5px;font-weight:600;margin-bottom:2px}
.scaleRowMeta{font-size:11.5px}
.scaleInputWrap{display:flex;align-items:center;gap:6px;flex:none}
.scaleInputWrap input{width:76px}
.unitSuffix{color:var(--text-2);font-size:12px}
.statusList{margin:14px 0 0;display:grid;gap:6px}
.statusList div{display:flex;justify-content:space-between;gap:10px;font-size:12.5px}
.statusList dt{margin:0;color:var(--text-2);font-weight:400}
.statusList dd{margin:0;font-variant-numeric:tabular-nums;text-align:right}
.resultsList{gap:8px}
.resultsList div{padding:5px 0;border-bottom:1px solid var(--rule)}
.resultsList div:last-child{border-bottom:0}

details.advanced{
  margin-top:16px;border-top:1px solid var(--rule);padding-top:12px;
}
details.advanced summary{
  cursor:pointer;font-size:12px;font-weight:700;color:var(--text-2);
  text-transform:uppercase;letter-spacing:.07em;
}
details.advanced summary:hover{color:var(--text)}
details.advanced[open] summary{margin-bottom:10px}
.checkRow{display:flex;align-items:flex-start;gap:9px;cursor:pointer;margin:10px 0;
  font-size:12.5px;color:var(--text-2);line-height:1.5}
.checkRow input{margin-top:3px}
.fieldRow{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:5px 0;font-size:13px}
.fieldRowInput input{width:64px}
.fieldRowInput{display:inline-flex;align-items:center;gap:5px}


/* Controls remain in the document flow, including at narrow widths. */
.siteHead{flex:none;border-bottom:1px solid var(--rule)}
body .siteHeadIn{max-width:none;padding:18px 22px;align-items:center}
.rail h1,.rail h2{margin:0 0 10px;font:600 18px/1.3 var(--serif);color:var(--text)}
.rail h1{font-size:23px}
.rail .panelIntro{font-size:12px;margin-bottom:10px}
.rail .panelSubhead{margin:14px 0 8px}
.rail .layer{gap:5px;padding:8px 0}
.rail .layer .n{display:none}
.rail .layer label{font-size:12px}
.rail .ldepth-in{width:49px;padding:5px}
.rail .lwall{padding:5px;font-size:10px}
.rail .layer input[type=radio]{margin:0;width:13px}
.rail .layer input[type=checkbox]{margin:0;width:14px;height:14px}
.rail .btnRow{gap:5px}
.rail .btnRow button{padding:8px 6px;font-size:11px}
.layerHelp{font-size:11px;color:var(--text-2);margin-top:12px}
.layerHelp summary{cursor:pointer}
.pointDensity{font-size:12px;color:var(--text-2);margin-top:14px}
.pointDensity summary{cursor:pointer}
.pointDensity[open] summary{margin-bottom:10px}
.viewPanel #v3d{width:100%;margin-top:14px;min-height:42px}
.viewPanel #v3d:disabled{opacity:.4;cursor:default}
.layerHelp .panelIntro{margin:8px 0 0}
.drawPanel,.viewPanel{border-top:1px solid var(--rule);padding-top:16px}
.viewPanel{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.viewPanel h2,.viewPanel .surfaceToggle,.viewPanel #v3d,.viewPanel .railDivider,.viewPanel .railSlider{grid-column:1 / -1}
.rail #pondDraw{position:static;max-width:none;padding:0;background:none;box-shadow:none;border:0}
.rail #pondDraw .drawRow{gap:8px}
.rail #pondDraw .drawButtons{width:100%;gap:2px}
.rail #pondDraw .drawButtons button{min-width:0;padding:8px}
.rail #pondDraw select{flex:1;min-width:0;font-size:11px;padding:6px 4px}
.rail #pondDraw p{font-size:11px}
.rail #pondDraw input{width:76px}
.rail #pondDraw form{gap:5px}
.rail #pondDraw form button{padding:7px 5px;font-size:11px}
#hud{bottom:14px;left:14px}
@media(max-width:1150px) and (min-width:901px){
  .app{--controlsWidth:280px;--detailsWidth:300px;grid-template-columns:var(--controlsWidth) minmax(240px,1fr) var(--detailsWidth)}
  .drawerBody{padding:6px 14px 18px}
  .drawerTabs{gap:0}
  .drawerTabs [role=tab]{font-size:11px;padding:8px}
}
@media(max-width:900px), (any-pointer:coarse) and (max-width:1366px){
  .app{--controlsWidth:280px;--detailsHeight:clamp(210px,30dvh,320px);grid-template-columns:var(--controlsWidth) minmax(0,1fr);grid-template-rows:max-content minmax(0,1fr) var(--detailsHeight)}
  .stageArea{grid-column:2;grid-row:2}
  .rail{grid-column:1;grid-row:2 / 4;overflow:auto}
  .drawer{grid-column:2;grid-row:3;min-height:0;border-top:1px solid var(--rule)}
  .drawerBody{overflow:auto}
  .resultsStrip{grid-column:1 / -1;grid-row:1}
  body .siteHeadIn{align-items:flex-start;gap:12px}
  body .siteHeadIn nav{gap:12px;font-size:10px}
}
@media(max-width:650px){
  body{height:auto;overflow:auto}
  .app{display:flex;flex-direction:column}
  .stageArea{flex:none;height:52vh;min-height:360px;order:1}
  .resultsStrip{order:0;gap:16px;padding:14px}
  .rail{order:2;border-right:0;overflow:visible;padding:18px 16px}
  .drawer{order:3;border-left:0;border-top:1px solid var(--rule);min-height:360px}
  .rsHeroValue{font-size:30px}.rsStatValue{font-size:20px}
  .rsStatus{width:100%;text-align:left;margin:0}.rsStatus .rsLabel{display:none}
  .rail .layer label{font-size:14px}
  .rail #pondDraw .drawButtons button{font-size:13px;padding:9px}
  .rail #pondDraw select{font-size:12px}
  .controlsHelp{padding-bottom:24px}
}

/* Drawing actions share one reachable control group. */
.rail #pondDraw #undoBar{display:grid;grid-template-columns:44px 44px minmax(0,1fr);gap:5px;margin-top:8px}
.rail #pondDraw #undoBar button{min-width:0;width:auto;height:44px;padding:8px;font-size:12px}
.rail #pondDraw #undoBar button:disabled{opacity:.4;cursor:default}
.rail #pondDraw #draw-clear{background:var(--pt-danger);border-color:var(--pt-danger);color:#fff}
.rail #pondDraw #draw-clear:hover{background:var(--pt-danger-hover)}
@media(pointer:coarse){
  .rail button,.rail #pondDraw button,.rail #pondDraw select,.drawer button{min-height:44px}
  .rail .layer{min-height:56px}
  .rail .layer label{min-height:44px;display:flex;align-items:center}
  .rail .layer input[type=radio],.rail .layer input[type=checkbox]{width:20px;height:20px}
  .rail .ldepth-in{width:56px;min-height:44px;font-size:16px}
  .drawer input[type=text],.drawer input[type=number],.rail #pondDraw input{font-size:16px;min-height:44px}
}

/* These controls stay outside the panels they hide. */
.panelToggles{display:flex;gap:6px;flex:none}
.panelToggles button{min-height:44px;padding:8px 10px;font-size:12px;white-space:nowrap}
.panelToggles button[aria-expanded="false"]{color:var(--ok);border-color:var(--ok)}
.panelToggles [hidden],.app > [hidden]{display:none!important}
.app.details-collapsed{--detailsWidth:0px;--detailsHeight:0px}
@media(max-width:900px), (any-pointer:coarse) and (max-width:1366px){
  .app.controls-collapsed{--controlsWidth:0px}
}
@media(max-width:650px){
  .panelToggles{width:100%;order:4}
  .panelToggles button{flex:1}
  .app.controls-collapsed.details-collapsed .stageArea{height:65dvh}
}

.workspaceActions{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.workspaceActions button{min-height:44px;padding:8px 12px;white-space:nowrap}.workspaceNav{display:inline-flex;align-items:center;gap:6px}.workspaceNav svg{width:18px;height:18px;flex:none}.stageArea{position:relative}.stageArea>.panelToggles{position:absolute;inset:0;z-index:30;pointer-events:none;width:auto}.stageArea>.panelToggles button{pointer-events:auto;position:absolute;top:12px;width:36px;min-height:44px;padding:0;font-size:23px;box-shadow:0 2px 8px #0002}.stageArea #toggleControls{left:0;border-radius:0 8px 8px 0}.stageArea #toggleDetails{right:0;border-radius:8px 0 0 8px}
@media(max-width:900px), (any-pointer:coarse) and (max-width:1366px){.stageArea #toggleDetails{top:auto;bottom:0;right:12px;border-radius:8px 8px 0 0}}
@media(max-width:650px){.workspaceActions{margin-left:auto}.workspaceActions button{font-size:12px;padding:6px 9px}.resultsStrip{flex-wrap:wrap}}

/* Studio surfaces, retaining the workspace's existing responsive grid. */
.pond-workspace{background:var(--pt-page-background)}
.pond-workspace .rail,.pond-workspace .drawer{background:var(--pt-panel)}
.pond-workspace .resultsStrip{background:var(--pt-surface);border-bottom:1px solid var(--rule)}
.pond-workspace .drawerTabs [role=tab][aria-selected=true]{background:var(--pt-selected);border-color:var(--pt-selected-border);color:var(--ink)}
.pond-workspace input[type=text],.pond-workspace input[type=number]{background:var(--pt-paper)}

/* ---------------------------------------------------------------- info dots
   A sidebar has room for controls or for prose, not both. Every explanation
   that used to sit as a paragraph above the controls now lives behind one of
   these, so the panel shows what you can do and the reasoning is one hover
   away.

   No script. The bubble is a child of the dot, so hovering the bubble keeps
   the dot hovered and a link inside stays clickable, and :focus-within opens
   it from the keyboard. The bubble is right-anchored because .drawerBody is
   overflow:auto and would otherwise clip it. */
.infoDot{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:17px;height:17px;flex:0 0 17px;border-radius:50%;
  border:1px solid var(--rule);color:var(--text-2);
  font:600 11px/1 Georgia,serif;cursor:help;vertical-align:middle;
  background:none;padding:0;
}
/* display:inline-flex above would otherwise beat the hidden attribute, and two
   of these dots are toggled by it. */
.infoDot[hidden]{display:none}
.infoDot:hover,.infoDot:focus-visible{color:var(--text);border-color:currentColor}
.infoDot:focus-visible{outline:2px solid var(--pt-accent,#326b98);outline-offset:2px}

.infoBubble{
  position:absolute;top:calc(100% + 7px);right:-2px;z-index:40;
  /* The dock is 248px wide and scrolls, so anything wider than its content
     column is clipped rather than overhanging the canvas. */
  display:none;width:max-content;max-width:min(206px,68vw);
  padding:9px 11px;border:1px solid var(--rule);border-radius:7px;
  background:var(--pt-panel,#fff);color:var(--text);
  box-shadow:0 6px 22px rgba(20,35,50,.16);
  font:400 12px/1.5 system-ui,sans-serif;text-align:left;cursor:auto;
}
.infoDot:hover .infoBubble,.infoDot:focus-within .infoBubble,
.infoDot:focus-visible .infoBubble{display:block}
.infoBubble a{color:inherit}
.infoBubble p{margin:0}
.infoBubble p + p{margin-top:7px}

/* Panels lead with their controls now, so the dot sits out of the flow in the
   corner rather than taking a row of its own. */
.drawerPanel{position:relative}
.drawerPanel > .infoDot{position:absolute;top:14px;right:0}
.drawerPanel > .infoDot .infoBubble{top:calc(100% + 6px)}

/* In the rail the dot rides on the group's summary line. */
.plannerGroup > summary{display:flex;align-items:center;gap:8px}
.plannerGroup > summary .infoDot{margin-left:auto}