:root{
  --bg:#050608; --bg2:#0c0e12; --panel:#0b0d11; --panel2:#070809;
  --ink:#e8eef6; --muted:#8b93a3; --faint:#5a6270;
  --line:#20242c; --line2:#2c313b;
  --accent:#39d5c8; --accent2:#5b8cff; --warn:#ffb648; --danger:#ff6b8b;
  --obj:#5b8cff; --step:#39d5c8; --action:#b98cff; --reg:#ffb648; --robot:#ff7a9c;
  --radius:4px; --shadow:0 8px 30px rgba(0,0,0,.6);
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:
    radial-gradient(1200px 700px at 15% -10%, #0b0d12 0%, transparent 55%),
    radial-gradient(1000px 600px at 100% 0%, #0a0c11 0%, transparent 50%),
    var(--bg);
  display:flex;flex-direction:column;overflow:hidden;
}

/* %% top bar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,16,20,.9),rgba(6,7,9,.6));
  backdrop-filter:blur(6px);
  /* the backdrop-filter flattens this into one stacking context, so the whole bar
     (dropdowns included) must sit above every panel's positioned internals */
  position:relative;z-index:100;
}
.brand{display:flex;align-items:center;gap:14px}
/* AICOR logo — inverted (light) artwork, sits directly on the dark bar */
.logo-img{height:38px;width:auto;display:block}

/* %% split */
.split{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px;min-height:0}
/* a slot the layout mounts nothing into takes no room: the ?replay= popup shows the
   scene alone and it gets the whole width */
.split:has(>.slot:empty){grid-template-columns:1fr}
.split>.slot:empty{display:none}
/* panel slots: config.js mounts panels into these; several ids stack vertically */
.slot{display:flex;flex-direction:column;gap:16px;min-height:0;min-width:0}
.slot>.panel{flex:1;min-height:0}
.slot>.panel-eql{flex:0 1 auto;min-height:150px}
/* the tab group holding the graph takes the share the graph used to take on its own */
.slot>.panel-tabs{flex:1 1 0}
.panel-error{margin:auto;color:var(--danger);font-size:13px;padding:20px;text-align:center}
.panel{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:var(--radius);
  display:flex;flex-direction:column;min-height:0;box-shadow:var(--shadow);overflow:hidden;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--line);
}
.panel-head h2{margin:0;font-size:15px;font-weight:700}

/* %% 3d stage */
.stage{position:relative;flex:1;min-height:0;overflow:hidden;background:
  radial-gradient(700px 500px at 50% 25%, #0a0c11 0%, #050608 70%);}
/* blurred real-lab backdrop (the robot is composited on top, "sandbox" style) */
.stage-bg{position:absolute;inset:0;z-index:0;
  background:url('img/ai-picture.png') center/cover no-repeat;
  filter:blur(9px) brightness(.62) saturate(1.05);
  transform:scale(1.12);            /* overscan so blurred edges stay off-screen */
}
.stage-bg:after{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 60% at 50% 45%, rgba(5,10,20,0) 0%, rgba(5,10,20,.45) 100%)}
#viewer{position:absolute;inset:0;z-index:1}
#viewer canvas{display:block;width:100%;height:100%}
.hidden{display:none!important}
.viewer-status{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  color:var(--muted);font-size:13px;letter-spacing:.3px;
  padding:10px 16px;border:1px solid var(--line2);border-radius:4px;background:rgba(10,17,32,.6)
}
.stage-hint{position:absolute;left:14px;bottom:12px;z-index:4;font-size:11px;color:var(--faint);letter-spacing:.4px}
.layers-panel{
  position:absolute;left:14px;top:14px;z-index:3;min-width:180px;
  background:rgba(12,20,34,.72);border:1px solid var(--line2);border-radius:4px;
  padding:12px 13px;backdrop-filter:blur(7px);box-shadow:0 8px 26px rgba(0,0,0,.4)
}
.lp-title{
  font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);
  margin-bottom:9px;display:flex;align-items:center;justify-content:space-between;gap:10px
}
.lp-fold{font-size:12px;line-height:1}
/* folded: the overlay is its title and the fold button, nothing more */
.layers-panel.folded{min-width:0;padding:8px 10px}
.layers-panel.folded .lp-title{margin-bottom:0}
.layers-panel.folded .lp-row,
.layers-panel.folded .lp-legend,
.layers-panel.folded .marker-settings,
.layers-panel.folded .frame-settings{display:none}
.lp-row{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink);padding:4px 0;cursor:pointer}
.lp-row input{accent-color:var(--accent);width:14px;height:14px;cursor:pointer}
.lp-legend{margin-top:10px;padding-top:9px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:5px}
.lp-legend .li{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
.lp-legend .dot{width:10px;height:10px;border-radius:50%}

/* red LIVE indicator, top right of the 3D view — on while the bridge is attached */
.live-indicator{
  position:absolute;right:16px;top:16px;z-index:6;display:none;align-items:center;gap:9px;
  font:800 19px/1 Inter,sans-serif;letter-spacing:2.4px;color:#fff;
  padding:12px 18px;border-radius:5px;background:rgba(214,40,57,.94);
  border:2px solid #ff6b7a;box-shadow:0 0 0 1px rgba(0,0,0,.35),0 10px 26px rgba(214,40,57,.45);
  animation:live-pulse 1.6s ease-in-out infinite
}
.live-indicator.on{display:inline-flex}
@keyframes live-pulse{0%,100%{opacity:1}50%{opacity:.55}}
@media (prefers-reduced-motion:reduce){.live-indicator{animation:none}}

/* blue REPLAY badge — the popup playing a recorded clip instead of the live stream */
.live-indicator.replay{
  background:rgba(53,167,255,.94);border-color:#8fdcff;
  box-shadow:0 0 0 1px rgba(0,0,0,.35),0 10px 26px rgba(53,167,255,.45);
  animation:none;font-size:15px;letter-spacing:1.2px
}

.step-caption{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:4;
  max-width:82%;text-align:center;font-size:13px;line-height:1.4;color:var(--ink);
  padding:9px 16px;border-radius:4px;border:1px solid var(--line2);
  background:rgba(10,17,32,.78);backdrop-filter:blur(6px);
  box-shadow:0 8px 24px rgba(0,0,0,.4)
}
.step-caption b{color:var(--accent)}

.play-btn{
  background:rgba(57,213,200,.14);border:1px solid var(--accent);color:var(--accent);
  font:inherit;font-size:14px;font-weight:700;padding:11px 26px;border-radius:4px;cursor:pointer;transition:.15s
}
.play-btn:hover{background:rgba(57,213,200,.24)}
.play-btn:disabled{opacity:.4;cursor:default}
.play-btn.playing{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121a;border-color:transparent}
.wf-btns{display:flex;gap:10px;width:100%;justify-content:center}
.play-btn.cram{color:#c9b3ff;border-color:var(--action);background:rgba(185,140,255,.16)}
.play-btn.cram:hover{background:rgba(185,140,255,.26)}
.play-btn.cram.playing{background:linear-gradient(135deg,var(--action),#8f6bff);color:#0b0518;border-color:transparent}
.play-btn.record{color:#ffcf8a;border-color:#e0a94a;background:rgba(224,169,74,.14);padding:11px 18px}
.play-btn.record:hover{background:rgba(224,169,74,.24)}
.play-btn.record:disabled{opacity:.45;cursor:default;background:rgba(224,169,74,.14)}

/* %% naming and trimming a captured episode before it is saved */
.record-save-panel{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;
  padding:10px 12px;border:1px solid #e0a94a;border-radius:6px;
  background:rgba(224,169,74,.08)
}
.record-save-field{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink)}
.record-name{
  width:150px;padding:5px 7px;border:1px solid var(--line2);border-radius:4px;
  background:var(--panel);color:var(--ink);font-size:12px
}
.record-trim{width:130px;accent-color:#e0a94a;cursor:pointer}
.record-trim-summary{font-size:12px;color:var(--muted);min-width:120px}

/* %% workflow */
.workflow{border-top:1px solid var(--line);padding:12px 14px;background:var(--panel2)}
.workflow-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:9px}
.workflow-head span{font-size:13px;font-weight:600;color:var(--ink)}

.playback-scrub-row{display:flex;align-items:center;gap:10px;margin-top:10px}
.playback-scrubber{
  flex:1;height:4px;border-radius:2px;background:var(--line2);appearance:none;cursor:pointer
}
.playback-scrubber::-webkit-slider-thumb{
  appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(57,213,200,.2);cursor:pointer
}
.playback-scrubber::-moz-range-thumb{
  width:14px;height:14px;border:none;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(57,213,200,.2);cursor:pointer
}
.playback-scrubber:disabled{opacity:.4;cursor:default}
.playback-track{position:relative;flex:1;display:flex;align-items:center}
.playback-track .playback-scrubber{width:100%}
.timeline-events{position:absolute;left:0;right:0;top:50%;height:0;pointer-events:none}
.timeline-mark{
  position:absolute;transform:translate(-50%,-50%);width:9px;height:9px;border-radius:2px;
  border:1px solid rgba(10,17,32,.85);cursor:pointer;pointer-events:auto;
}
.timeline-mark:hover{transform:translate(-50%,-50%) scale(1.35)}
.timeline-preview{
  position:absolute;bottom:18px;transform:translateX(-50%);z-index:6;width:184px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px;
  box-shadow:0 10px 26px rgba(0,0,0,.5);pointer-events:none;
}
.timeline-preview img{display:block;width:100%;border-radius:5px;background:#0c0e13}
.timeline-preview .tp-loading{
  height:104px;border-radius:5px;background:#0c0e13;display:flex;align-items:center;
  justify-content:center;font-size:11px;color:var(--faint)
}
.timeline-preview .tp-label{font-size:11.5px;color:var(--ink);margin-top:5px}
.timeline-preview .tp-time{font-size:10.5px;color:var(--faint)}
.playback-time{font-size:12px;color:var(--muted);white-space:nowrap;min-width:72px;text-align:right}

/* %% query box */
.knowledge-status{font-size:12px;color:var(--faint)}
.knowledge-status.ready{color:var(--accent)}
/* position:relative so the suggestion menu hangs below the box it belongs to */
.query-box{
  padding:14px 16px;border-bottom:1px solid var(--line);background:var(--panel2);
  position:relative
}
/* the text bar: the query input with its buttons sitting inside it, on the right */
.query-bar{
  display:flex;align-items:stretch;gap:6px;background:var(--bg);
  border:1px solid var(--line2);border-radius:4px;padding:4px
}
.query-bar:focus-within{border-color:var(--accent)}
#query-input{
  flex:1;background:transparent;border:0;color:var(--ink);font-family:var(--mono);
  font-size:13px;padding:7px 9px;outline:none;resize:vertical;min-height:36px;line-height:1.45
}
#query-run{
  background:linear-gradient(135deg,var(--accent),var(--accent2));border:0;color:#04121a;
  font-weight:700;font-size:13px;padding:0 20px;border-radius:4px;cursor:pointer
}
#query-run:active{transform:translateY(1px)}
/* one press records one spoken question; sits inside the bar beside Run */
.voice-ask{
  background:var(--bg2);border:1px solid var(--line2);border-radius:4px;color:var(--ink);
  font-size:15px;padding:0 13px;cursor:pointer;transition:.15s
}
.voice-ask:hover{border-color:var(--accent)}
.voice-ask:disabled{opacity:.4;cursor:not-allowed}
.voice-ask.listening{border-color:#ff5470;animation:voice-listening 1.1s ease-in-out infinite}
@keyframes voice-listening{
  0%,100%{box-shadow:0 0 0 0 rgba(255,84,112,.55)}
  50%{box-shadow:0 0 0 6px rgba(255,84,112,0)}
}
/* the asked question, big under the bar, in English; the role colours are krrood's
   own inline spans, and its words link to their documentation or source */
.question{
  background:var(--bg);border:1px solid var(--line2);
  border-left:3px solid var(--accent);border-radius:4px;color:var(--ink);
  font-size:17px;line-height:1.55;padding:13px 15px;min-height:24px
}
.question .question-hint{color:var(--faint);font-size:14px;font-style:italic}
.question a{color:inherit;text-decoration:underline dotted;text-underline-offset:3px}
.question a:hover{color:var(--accent);text-decoration:underline solid}

/* %% suggestion menu */
/* hangs under the query box like an editor's completion popup: one row per name, the
   kind it is, what it is, and the module a class comes from. Fixed rather than absolute,
   and placed from the box's own rectangle, because every panel clips its overflow and a
   menu longer than the panel would be cut off inside it. */
.completion-menu{
  position:fixed;z-index:60;
  background:var(--panel);border:1px solid var(--line2);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:auto
}
.completion-item{
  display:grid;grid-template-columns:74px minmax(120px,auto) 1fr auto;gap:10px;
  align-items:baseline;padding:5px 10px;cursor:pointer;font-size:12px
}
.completion-item.active{background:var(--bg2)}
.completion-kind{
  font-size:9.5px;letter-spacing:.5px;text-transform:uppercase;color:var(--faint)
}
.completion-name{font-family:var(--mono);color:var(--ink)}
.completion-item.active .completion-name{color:var(--accent)}
.completion-detail{
  color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.completion-origin{font-family:var(--mono);font-size:10.5px;color:var(--faint)}

/* everything the bar produces, in one scrolling region: the question read back, the
   questions on offer and the answer. A long verbalization would otherwise push the
   answer past the bottom of a panel that clips whatever does not fit. */
.console-body{flex:1;min-height:0;overflow-y:auto;padding:14px 16px}

.presets{margin-top:11px}
/* the heading a body of knowledge's questions are offered under; a scene that only asks
   about one thing gets no heading at all, so the row stands alone as it always did */
.preset-group{
  display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;
  font-size:10.5px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;
  color:var(--accent);margin:12px 0 6px
}
.preset-group .lp-fold{color:var(--accent)}
.preset-group:hover{color:var(--ink)}
.preset-group:hover .lp-fold{color:var(--ink)}
.preset-group:first-child{margin-top:0}
.preset-row{display:flex;flex-wrap:wrap;gap:7px}
.preset-row.folded{display:none}
.preset{
  font-size:12px;color:var(--muted);background:var(--bg2);border:1px solid var(--line2);
  padding:6px 11px;border-radius:4px;cursor:pointer;transition:.15s
}
.preset:hover{border-color:var(--accent);color:var(--ink)}
/* a question about a demo that is not attached: shown, so the set of questions the
   scene answers stays visible, but not clickable */
.preset.unavailable{opacity:.45;cursor:not-allowed;border-style:dashed}
.preset.unavailable:hover{border-color:var(--line2);color:var(--muted)}

/* %% answer */
.answer{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.answer-empty{color:var(--faint);font-size:13px;font-style:italic}
.answer .goal{font-family:var(--mono);font-size:12px;color:var(--accent);margin-bottom:8px;word-break:break-all}
.answer .headline{font-size:13.5px;color:var(--ink);margin:0 0 10px;line-height:1.5}
.answer .headline b{color:var(--accent)}
.ansrow{
  display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border-radius:3px;
  background:var(--bg2);border:1px solid var(--line);margin-bottom:6px
}
.ansrow .tag{
  flex:0 0 auto;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
  padding:3px 8px;border-radius:3px;color:#04121a
}
.ansrow .body{font-size:12.5px;line-height:1.45}
.ansrow .body .name{font-weight:600;color:var(--ink)}
.ansrow .body .sub{color:var(--muted);display:block;margin-top:2px}
.ansrow .body code{font-family:var(--mono);font-size:11.5px;color:var(--accent2);background:rgba(91,140,255,.1);padding:1px 5px;border-radius:5px}

/* %% answer table — a query's rows share their columns, so they are read as a table.
   Each cell is coloured by what its value is; colouring them all alike turns an answer
   into a wall of one colour that has to be read word by word. */
.anstable-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg2)}
.anstable{border-collapse:collapse;width:100%;font-size:12.5px}
.anstable th{
  position:sticky;top:0;z-index:1;background:var(--panel);
  font-size:10.5px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;
  color:var(--faint);text-align:left;padding:7px 12px;white-space:nowrap;
  border-bottom:1px solid var(--line2)
}
.anstable td{padding:7px 12px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.45}
.anstable tbody tr:last-child td{border-bottom:0}
.anstable tbody tr:nth-child(even){background:rgba(255,255,255,.018)}
.anstable tbody tr:hover{background:rgba(57,213,200,.06)}
.anstable .ans-type{width:1%;white-space:nowrap;padding-right:4px}
.anstable .ans-type .tag{display:inline-block}
.anstable .ans-name{color:var(--ink);font-weight:600}
.anstable .ans-number{color:var(--warn);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.anstable .ans-true{color:var(--accent);font-weight:600}
.anstable .ans-false{color:var(--danger);font-weight:600}
.anstable .ans-empty{color:var(--faint)}
.anstable .ans-text{color:var(--muted)}
.anstable .ans-replay{width:1%;white-space:nowrap;text-align:right}
.replay-btn{
  background:rgba(53,167,255,.14);border:1px solid #35a7ff;color:#8fdcff;
  font:inherit;font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:4px;
  cursor:pointer;transition:.15s;white-space:nowrap
}
.replay-btn:hover{background:rgba(53,167,255,.28)}
.nores{color:var(--warn);font-size:13px}
.qerr{color:var(--danger);font-family:var(--mono);font-size:12px;white-space:pre-wrap}
.ansub{font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:#93a4c4;margin:12px 0 6px}
.answer .rel{font-family:var(--mono);font-size:11px;color:var(--accent2);padding:0 3px}
.hint-txt{font-size:12px;color:var(--muted);line-height:1.5;margin:10px 0 0}

/* %% panel tabs — several panels sharing one frame, one shown at a time */
.panel-tabs{display:flex;flex-direction:column;min-height:0;min-width:0}
.tab-bar{
  display:flex;align-items:center;gap:2px;padding:0 4px;flex:0 0 auto;
}
.tab-bar button{
  appearance:none;background:none;border:0;border-bottom:2px solid transparent;
  color:var(--muted);font:700 11.5px/1 Inter,sans-serif;letter-spacing:.4px;
  text-transform:uppercase;padding:8px 12px 6px;cursor:pointer;transition:.15s
}
.tab-bar button:hover{color:var(--ink)}
.tab-bar button.active{color:var(--accent);border-bottom-color:var(--accent)}
/* a tab body is the frame the panel inside it fills, so the panel keeps its own chrome */
.tab-body{flex:1 1 0;min-height:0;display:flex}
.tab-body>.panel{flex:1;min-height:0;min-width:0}

/* %% event timeline */
.timeline-wrap{position:relative;flex:1;min-height:0;display:flex;flex-direction:column}
.timeline-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px 14px;border-bottom:1px solid var(--line2);flex:0 0 auto;
  font:600 11.5px/1 Inter,sans-serif;letter-spacing:.3px;color:var(--muted)
}
.timeline-title{color:var(--ink)}
.timeline-body{position:relative;flex:1;min-height:0}
.timeline-plot{position:absolute;inset:0;overflow:hidden}
/* one lane per kind of event, labelled at the left edge over its own rule */
.timeline-lane{
  position:absolute;z-index:1;left:0;right:0;transform:translateY(-50%);
  padding-left:10px;border-top:1px dashed var(--line2);
  font:600 10.5px/18px Inter,sans-serif;letter-spacing:.3px;color:var(--muted);
  white-space:nowrap;pointer-events:none
}
.timeline-mark{
  position:absolute;z-index:2;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;
  border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--bg2);
  cursor:default
}
.timeline-mark:hover{background:var(--warn);box-shadow:0 0 0 3px var(--bg2)}
/* what a pointed-at mark says: the kind of event, what it happened to, and when */
.timeline-summary{
  position:absolute;z-index:9;pointer-events:none;max-width:60%;
  --summary-across:-50%;--summary-down:-100%;
  transform:translate(var(--summary-across),var(--summary-down));
  padding:6px 9px;border:1px solid var(--line2);border-radius:6px;
  background:var(--bg2);box-shadow:0 6px 18px rgba(0,0,0,.35);
  font:500 11px/1.45 Inter,sans-serif;white-space:normal
}
.timeline-summary.from-left{--summary-across:0}
.timeline-summary.from-right{--summary-across:-100%}
.timeline-summary.above{margin-top:-11px}
.timeline-summary.below{--summary-down:0;margin-top:11px}
.timeline-summary-kind{font-weight:700;color:var(--ink)}
.timeline-summary-objects{color:var(--ink);opacity:.85}
.timeline-summary-time{color:var(--muted);font-size:10.5px;letter-spacing:.2px}
.timeline-now{
  position:absolute;top:0;bottom:0;width:2px;margin-left:-1px;
  background:var(--warn);opacity:.85;pointer-events:none
}
.timeline-empty{
  position:absolute;inset:0;display:grid;place-items:center;padding:0 16%;
  text-align:center;color:var(--muted);font-size:12.5px;pointer-events:none
}

/* %% graph */
.graph-wrap{position:relative;flex:1;min-height:0}
/* a class rather than an id: every panel drawing a graph has a canvas of its own */
.graph-canvas{position:absolute;inset:34px 0 0}

/* view tabs: knowledge graph / kinematics / motion statechart */
.graph-tabs{
  position:absolute;left:0;right:0;top:0;height:34px;z-index:7;display:flex;align-items:center;gap:2px;
  padding:0 10px;background:var(--bg2);border-bottom:1px solid var(--line2)
}
.graph-tabs button{
  appearance:none;background:none;border:0;border-bottom:2px solid transparent;
  color:var(--muted);font:600 11.5px/1 Inter,sans-serif;letter-spacing:.3px;
  padding:10px 10px 8px;cursor:pointer;transition:.15s
}
.graph-tabs button:hover{color:var(--ink)}
.graph-tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}
.graph-tabs .gt-live{
  margin-left:auto;display:none;font:600 10.5px/1 Inter,sans-serif;letter-spacing:.4px;
  color:#0b1220;background:var(--warn);border-radius:3px;padding:4px 7px
}
.graph-tabs .gt-live.on{display:inline-block}

.graph-empty{
  position:absolute;inset:34px 0 0;display:grid;place-items:center;padding:0 16%;
  text-align:center;font-size:12.5px;line-height:1.65;color:var(--muted);z-index:5;pointer-events:none
}
.legend{
  position:absolute;right:12px;top:46px;display:flex;flex-direction:column;gap:5px;
  background:rgba(10,17,32,.72);border:1px solid var(--line2);border-radius:4px;padding:9px 11px;
  backdrop-filter:blur(4px)
}
.legend .li{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
.legend .dot{width:11px;height:11px;border-radius:50%}
/* execution status shows up as a node ring, so the legend uses rings too */
.legend .ring{width:18px;height:18px;border-radius:50%;border:6px solid;border-style:solid;box-sizing:border-box}

/* %% plan graph — the head line above the tree names the step being executed */
.plan-head{
  position:absolute;left:0;right:0;top:0;height:34px;z-index:7;display:flex;align-items:center;gap:10px;
  padding:0 10px;background:var(--bg2);border-bottom:1px solid var(--line2)
}
.plan-executing{
  font:600 11.5px/1 Inter,sans-serif;letter-spacing:.3px;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap
}
.plan-follow{
  margin-left:auto;display:flex;align-items:center;gap:5px;flex:none;
  font:600 10.5px/1 Inter,sans-serif;letter-spacing:.3px;color:var(--muted);cursor:pointer
}
.plan-head .gt-live{
  display:none;font:600 10.5px/1 Inter,sans-serif;letter-spacing:.4px;
  color:#0b1220;background:var(--warn);border-radius:3px;padding:4px 7px
}
.plan-head .gt-live.on{display:inline-block}

/* %% resizable split — core/split-resize.js inserts these between two panes */
.pane-divider{position:relative;z-index:6;border-radius:4px;transition:background .15s}
.pane-divider:hover,.pane-divider.dragging{background:rgba(94,197,255,.28)}
.pane-divider.dragging{user-select:none}
/* the grip line down (or across) the middle of the divider */
.pane-divider:after{content:"";position:absolute;background:var(--line2);border-radius:2px}
.pane-divider:hover:after,.pane-divider.dragging:after{background:var(--accent)}
/* between the scene and the knowledge column */
.split-divider{width:8px;cursor:col-resize;align-self:stretch}
.split-divider:after{left:3px;top:50%;width:2px;height:44px;transform:translateY(-50%)}
/* between the panels a slot stacks */
.slot-divider{height:8px;cursor:row-resize;justify-self:stretch}
.slot-divider:after{top:3px;left:50%;height:2px;width:44px;transform:translateX(-50%)}

.kg-max-btn{
  background:#141821;border:1px solid #37404f;border-radius:4px;color:#c8d1e0;
  font:inherit;font-size:14px;line-height:1;padding:6px 9px;cursor:pointer;
  margin-left:10px;transition:.15s;
}
.kg-max-btn:hover{background:#1c222d;color:#fff;border-color:var(--accent)}
.split.kg-maximized{grid-template-columns:1fr}
.split.kg-maximized [data-slot="left"],
.split.kg-maximized .split-divider{display:none}

/* %% drill-down breadcrumb, shown once you double-click into a node */
.graph-nav{
  position:absolute;left:52px;top:46px;z-index:6;display:flex;align-items:center;gap:6px;
  background:rgba(20,24,33,.82);border:1px solid #37404f;border-radius:4px;
  padding:4px 8px;backdrop-filter:blur(4px);
}
.graph-nav button{
  background:none;border:1px solid #37404f;border-radius:3px;color:#c8d1e0;
  font:inherit;font-size:11.5px;line-height:1;padding:4px 8px;cursor:pointer;transition:.15s;
}
.graph-nav button:hover{color:#fff;border-color:var(--accent)}
.graph-nav #gnav-path{font-size:11.5px;color:var(--warn);font-weight:600;max-width:320px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* %% overlay controls inside .graph-wrap: fullscreen and zoom */
.graph-max-btn,.graph-zoom button{
  background:rgba(20,24,33,.82);border:1px solid #37404f;border-radius:4px;color:#c8d1e0;
  font:inherit;font-size:14px;line-height:1;padding:6px 9px;cursor:pointer;
  backdrop-filter:blur(4px);transition:.15s;
}
.graph-max-btn:hover,.graph-zoom button:hover{background:#1c222d;color:#fff;border-color:var(--accent)}
.graph-max-btn{position:absolute;left:12px;top:46px;z-index:6}
/* zoom in / out / fit — the touchpad-free way to get the same result as a pinch */
.graph-zoom{position:absolute;left:12px;top:82px;z-index:6;display:flex;flex-direction:column;gap:4px}
.graph-zoom button{width:31px;text-align:center;padding:6px 0}
.graph-wrap.graph-fullscreen{
  position:fixed;inset:0;z-index:1000;background:var(--bg);
  border:none;border-radius:0;padding:0;margin:0;
}
.graph-wrap.graph-fullscreen .graph-canvas{inset:34px 0 0}
/* keep the page from scrolling behind the overlay */
body.graph-full-open{overflow:hidden}

/* %% responsive */
@media (max-width:900px){
  body{overflow:auto}
  .split{grid-template-columns:1fr !important}
  /* the slot goes back to stacking, so the divider it made a grid track for goes */
  .slot{display:flex !important}
  .pane-divider,.kg-max-btn{display:none}
  .stage{min-height:340px}
  .graph-wrap{min-height:360px}
  .cards{grid-template-columns:1fr}
}

/* %% scene switcher in the top bar */
.scene-pickers{display:flex;align-items:center;gap:14px}
.scene-picker{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted)}
.scene-picker:has(select:disabled){opacity:.6}
.scene-select{
  background:#141821;border:1px solid #37404f;border-radius:4px;color:#c8d1e0;
  font:inherit;font-size:12.5px;padding:6px 9px;cursor:pointer;margin-right:10px;
}
.scene-select:hover,.scene-select:focus{border-color:var(--accent);outline:none}

/* live mode button */
/* driving the running demo: pause / restart / loop, beside the Live button */
.run-controls{display:inline-flex;gap:6px}
.play-btn.run{color:#ffd18a;border-color:#ffb648;background:rgba(255,182,72,.12)}
.play-btn.run:hover{background:rgba(255,182,72,.24)}
.play-btn.run.on{background:linear-gradient(135deg,#ffb648,#ff8f48);color:#1a1005;border-color:transparent}
.play-btn.run.pending{opacity:.6;font-style:italic}
.run-status{font-family:var(--mono);font-size:11px;color:var(--muted);align-self:center}
.play-btn.live{color:#ff8091;border-color:#ff6b8b;background:rgba(255,107,139,.12)}
.play-btn.live:hover{background:rgba(255,107,139,.22)}
.play-btn.live.on{background:linear-gradient(135deg,#ff6b8b,#ff9d6b);color:#1a0509;border-color:transparent;animation:livePulse 1.6s ease-in-out infinite}
@keyframes livePulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.25)}}

/* %% page tabs (Scene / Models) */
.page-tabs{display:flex;gap:4px;margin-left:28px;margin-right:auto}
.page-tabs a{
  padding:7px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;
  color:var(--muted);text-decoration:none;border:1px solid transparent;
}
.page-tabs a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.page-tabs a.active{color:var(--accent);border-color:var(--line2);background:rgba(57,213,200,.08)}

/* %% models page */
.models-page{flex:1;display:grid;grid-template-columns:320px 1fr;gap:16px;padding:16px;min-height:0}
.models-page .panel{overflow:auto}
.models-side-body{padding:14px;display:flex;flex-direction:column;gap:14px}
.upload-btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;align-self:flex-start}
.variable-list{display:flex;flex-direction:column;gap:6px}
.variable-item{
  display:flex;justify-content:space-between;gap:10px;align-items:baseline;
  padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel2);font-size:12.5px;
}
.variable-item span{color:var(--muted);font-size:11.5px;text-align:right;overflow-wrap:anywhere}
.models-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;min-height:0}
.models-tools .tool{overflow:auto}
.tool{padding:0 0 14px;display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.tool>.panel-head{width:100%}
.tool>*:not(.panel-head){margin:0 14px}
.tool .tool-section,.tool .tool-result,.tool .posterior-plots{width:auto;align-self:stretch}
.tool-section{width:100%;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.constraint-rows{display:flex;flex-direction:column;gap:8px;width:100%}
.constraint-row{
  display:flex;align-items:center;gap:10px;padding:8px 10px;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel2);font-size:12.5px;
}
.constraint-row select,.constraint-row input{
  background:var(--bg2);color:var(--ink);border:1px solid var(--line2);
  border-radius:var(--radius);padding:5px 8px;font-size:12.5px;font-family:var(--font);
}
.constraint-row input[type=number]{width:110px}
.constraint-inputs{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}
.row-remove{
  margin-left:auto;background:transparent;border:none;color:var(--faint);cursor:pointer;font-size:13px;
}
.row-remove:hover{color:var(--danger)}
.row-add{
  background:transparent;border:1px dashed var(--line2);border-radius:var(--radius);
  color:var(--muted);padding:6px 12px;font-size:12px;cursor:pointer;
}
.row-add:hover{color:var(--ink);border-color:var(--accent)}
.run-btn{align-self:flex-start}
.tool-result{width:100%;display:flex;flex-direction:column;gap:10px}
.probability-result{font-size:16px}
.probability-result b{color:var(--accent);font-family:var(--mono)}
.posterior-variables{display:flex;flex-wrap:wrap;gap:2px 18px}
.posterior-plots{width:100%;display:flex;flex-direction:column;gap:14px}
.plot-card{background:#fff;border-radius:var(--radius);padding:6px;min-height:320px}
.mode-card{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel2);
  padding:10px 12px;display:flex;flex-direction:column;gap:4px;width:100%;
}
.mode-assignment{
  display:grid;grid-template-columns:230px 1fr;gap:14px;align-items:baseline;
  font-size:12.5px;padding:3px 0;border-bottom:1px solid var(--line);
}
.mode-assignment:last-child{border-bottom:none}
.mode-assignment span{color:var(--muted);overflow-wrap:anywhere}
.mode-assignment code{font-family:var(--mono);color:var(--ink);font-size:12px}
.bound-control{display:inline-flex;align-items:center;gap:8px}
.bound-control input[type=range]{width:150px;accent-color:var(--accent)}
.bound-control input[type=number]{width:96px}

/* %% models page readability: larger type than the dense scene panels */
.models-page{font-size:14.5px}
.models-page .lp-title{font-size:12.5px}
.models-page .variable-item{font-size:14px;padding:9px 12px}
.models-page .variable-item span{font-size:13px}
.models-page .constraint-row{font-size:14px;padding:10px 12px}
.models-page .constraint-row select,.models-page .constraint-row input{font-size:14px;padding:6px 10px}
.models-page .row-add{font-size:13.5px;padding:7px 14px}
.models-page .run-btn{font-size:14.5px}
.models-page .probability-result{font-size:20px}
.models-page .mode-assignment{font-size:14px;padding:5px 0}
.models-page .mode-assignment code{font-size:13.5px}
.models-page .posterior-variables .lp-row{font-size:14px}
.models-page .answer-empty,.models-page .qerr{font-size:13.5px}

/* %% topbar view menu: which panels are shown */
.view-menu{position:relative}
.view-menu-toggle{
  padding:7px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;
  color:var(--muted);background:transparent;border:1px solid var(--line2);
}
.view-menu-toggle:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.view-menu-list{
  position:absolute;right:0;top:calc(100% + 8px);z-index:50;min-width:280px;
  background:var(--panel);border:1px solid var(--line2);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:10px 14px;display:flex;flex-direction:column;gap:2px;
}

/* %% view menu rows: panel name + region choice */
.view-menu-row{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--ink);padding:5px 0;
}
.view-menu-row span{flex:1}
.view-menu-row input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px;cursor:pointer}
.view-menu-reload{
  margin-top:10px;padding:7px 12px;width:100%;cursor:pointer;
  border:1px solid var(--line2);border-radius:var(--radius);
  background:rgba(57,213,200,.08);color:var(--accent);font-size:12.5px;font-weight:600;
}
.view-menu-reload:hover{background:rgba(57,213,200,.16)}
.view-menu-row select{
  background:var(--bg2);color:var(--ink);border:1px solid var(--line2);
  border-radius:var(--radius);padding:4px 8px;font-size:12px;font-family:var(--font);
}

/* %% marker settings (inside the layers panel) */
.marker-gear,.layer-gear{
  margin-left:auto;background:transparent;border:none;color:var(--faint);
  cursor:pointer;font-size:13px;padding:0 2px;
}
.marker-gear:hover,.layer-gear:hover{color:var(--accent)}
.marker-settings,.frame-settings{
  margin:4px 0 6px 22px;padding-left:9px;border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:1px;max-height:220px;overflow:auto;
}
.ms-title{font-size:10px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--faint);margin:6px 0 2px}
.ms-row{font-size:11.5px;overflow-wrap:anywhere}
.ms-note{font-size:11.5px;color:var(--faint);padding:4px 0}
.ms-nested{margin-left:16px;padding-left:8px;border-left:1px solid var(--line)}
.ms-disclosure{background:transparent;border:none;color:var(--faint);cursor:pointer;
  font-size:9px;padding:0 3px 0 0;line-height:1}
.ms-disclosure:hover{color:var(--accent)}
.ms-slider{display:flex;align-items:center;gap:6px;font-size:11.5px;padding:2px 0}
.ms-slider input[type=range]{flex:1;min-width:0}