:root{
  --bg:#fff; --panel:#f6f7f9; --border:#c9ced6; --text:#20242a; --muted:#68717c;
  --v:#3979a5; --h:#b35d48; --diag:#737983; --edge:#718553; --accent:#1769c2; --seam:#9a6b2f;
}
*{box-sizing:border-box}
body{margin:0;padding:18px;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}
.controls{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-bottom:12px}
.slider{flex:1;min-width:250px}
input[type=range]{width:100%}
button{min-height:42px;padding:8px 12px;border:1px solid var(--border);border-radius:7px;background:#fff;color:var(--text)}
button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.small{font-size:12px;color:var(--muted)}
.grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(520px,1.35fr);gap:10px;align-items:start}
.card{border:1px solid var(--border);border-radius:9px;padding:8px;background:#fff;min-width:0}
.head{display:flex;justify-content:space-between;gap:6px;margin-bottom:5px}
canvas{width:100%;display:block;background:var(--panel);border-radius:7px;touch-action:none}

.panel-toggle{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;color:var(--muted);user-select:none;cursor:pointer}
.panel-toggle input{margin:0;accent-color:#1769c2}
.card.panel-disabled>:not(.head){display:none!important}
.card.panel-disabled{opacity:.72}
.card.panel-disabled .head{margin-bottom:0}
#domain,#preDiamond,#diamondLeft,#diamondRight,#squareLeft,#squareRight,#puncturedSquareLeft,#puncturedSquareRight{aspect-ratio:1/1}
#surface{aspect-ratio:1.65/1}
.surface-card{grid-column:2;grid-row:1 / span 7;position:sticky;top:8px}
.universal-card{grid-column:auto}
.universal-controls{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
  margin:0 0 8px 0;
}

.surface-card{
  position:relative;
}
.drawing-start-pointer{
  --pointer-color:#1769c2;position:absolute;width:0;height:0;z-index:35;
  pointer-events:none;user-select:none;color:var(--pointer-color);
}
.drawing-start-pointer[data-kind="blocked"]{color:#6b7280}
.drawing-start-pointer-mark{
  position:absolute;left:0;top:0;width:9px;height:9px;box-sizing:border-box;
  transform:translate(-50%,-50%);border:1.5px solid rgba(255,255,255,.96);border-radius:50%;
  background:currentColor;box-shadow:0 0 0 1px currentColor;
}
.drawing-start-pointer[data-kind="loop"] .drawing-start-pointer-mark::before{
  content:"";position:absolute;left:50%;top:50%;width:28px;height:28px;box-sizing:border-box;
  transform:translate(-50%,-50%);border:3px solid #ee891a;border-radius:50%;z-index:-1;
  background:rgba(238,137,26,.12);
  box-shadow:0 0 0 5px rgba(238,137,26,.18),0 0 18px 7px rgba(238,137,26,.42);
}
.drawing-start-pointer-label{
  position:absolute;width:max-content;box-sizing:border-box;padding:5px 8px;
  border:1px solid currentColor;border-radius:6px;background:rgba(255,255,255,.96);
  font:700 12px/1.4 system-ui,sans-serif;box-shadow:0 2px 6px #0002;
}
.drawing-start-pointer[data-kind="loop"] .drawing-start-pointer-label{color:#8a4f12}
.drawing-start-pointer[data-kind="start"],.drawing-start-pointer[data-kind="hold"]{color:#d47a13}
.drawing-start-pointer[data-kind="close-ready"],.drawing-start-pointer[data-kind="end-ready"],
.drawing-start-pointer[data-kind="completed"]{color:#16a34a}
.drawing-start-pointer[data-kind="start"] .drawing-start-pointer-mark,
.drawing-start-pointer[data-kind="hold"] .drawing-start-pointer-mark{
  width:18px;height:18px;border:2px solid currentColor;background:rgba(255,255,255,.8);
}
.drawing-start-pointer:not([data-role="pointer"])[data-kind="close-ready"] .drawing-start-pointer-mark,
.drawing-start-pointer:not([data-role="pointer"])[data-kind="end-ready"] .drawing-start-pointer-mark{
  width:34px;height:34px;border:3px solid currentColor;background:rgba(34,197,94,.12);
  box-shadow:0 0 0 5px rgba(34,197,94,.18),0 0 18px 6px rgba(34,197,94,.38);
}
.drawing-start-pointer[hidden]{display:none}
canvas[data-drawing-start-pointer]{cursor:none!important}
canvas[data-selection-pointer],canvas[data-hole-tool-pointer]{cursor:none!important}
.surface-card canvas#surface{
  cursor:none !important;
}
.surface-cursor{
  position:absolute;
  width:9px;
  height:9px;
  border-radius:50%;
  pointer-events:none;
  transform:translate(-50%,-50%);
  z-index:20;
  display:none;
  align-items:center;
  justify-content:center;
  box-sizing:border-box;
}
.surface-cursor.rotate{
  border-radius:0;
}
.surface-cursor:not(.rotate)::after{
  content:attr(data-sheet-label);
  position:absolute;
  left:12px;
  top:50%;
  transform:translateY(-50%);
  white-space:nowrap;
  font:600 7px/1.05 ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:-0.15px;
  color:#2e3945;
  text-shadow:
    -1px 0 rgba(255,255,255,.98),
     1px 0 rgba(255,255,255,.98),
     0 -1px rgba(255,255,255,.98),
     0  1px rgba(255,255,255,.98);
  pointer-events:none;
}

.debug-panel{
  margin-top:10px;
  border:1px solid #cfd6df;
  border-radius:8px;
  background:#fbfcfe;
  padding:9px 10px;
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:11px;
}
.debug-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  margin-bottom:7px;
}
.debug-head button{
  padding:3px 8px;
  min-height:26px;
  font-size:11px;
}
.debug-grid{
  display:grid;
  grid-template-columns:max-content minmax(50px,1fr) max-content minmax(50px,1fr);
  gap:3px 9px;
  align-items:baseline;
}
.debug-grid span{
  color:#687381;
}
.debug-grid b{
  font-weight:700;
  color:#25303b;
  overflow-wrap:anywhere;
}
.debug-key{
  display:flex;
  gap:14px;
  margin-top:7px;
}
.dbg-hit-key{color:#16834a}
.dbg-miss-key{color:#c93434;font-weight:800}
.dbg-reentry-key{color:#d07816}
.debug-log{
  height:150px;
  overflow:auto;
  margin:7px 0 0;
  padding:7px;
  border:1px solid #dce2e9;
  border-radius:5px;
  background:#fff;
  color:#2c3540;
  white-space:pre-wrap;
  line-height:1.35;
}

.loop-start-marker,
.loop-close-marker{
  position:absolute;
  pointer-events:none;
  z-index:19;
  transform:translate(-50%,-50%);
  border-radius:50%;
  box-sizing:border-box;
  display:none;
}
.loop-start-marker{
  width:18px;
  height:18px;
  border:2px solid #d47a13;
  background:rgba(255,255,255,.82);
}
.loop-start-label{
  position:absolute;
  left:50%;
  top:-22px;
  transform:translateX(-50%);
  white-space:nowrap;
  padding:2px 5px;
  border:1px solid #d47a13;
  border-radius:4px;
  background:rgba(255,255,255,.94);
  color:#8a4f12;
  font:700 10px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;
  pointer-events:none;
}
.loop-close-marker{
  width:34px;
  height:34px;
  border:3px solid #16a34a;
  background:rgba(34,197,94,.12);
  box-shadow:0 0 0 5px rgba(34,197,94,.18), 0 0 18px 6px rgba(34,197,94,.38);
  animation:none;
}
.loop-close-marker::after{
  content:'RELEASE TO CLOSE';
  position:absolute;
  left:50%;
  top:calc(100% + 8px);
  transform:translateX(-50%);
  white-space:nowrap;
  padding:3px 7px;
  border:1px solid #16a34a;
  border-radius:5px;
  background:rgba(255,255,255,.96);
  color:#147a38;
  font:800 10px/1.15 system-ui,sans-serif;
  letter-spacing:.025em;
}
.loop-start-marker.close-ready{
  border-color:#16a34a !important;
  background:rgba(34,197,94,.16) !important;
  box-shadow:0 0 0 5px rgba(34,197,94,.24), 0 0 18px 7px rgba(34,197,94,.46) !important;
}
@keyframes loopClosePulse{
  from{transform:translate(-50%,-50%) scale(.92)}
  to{transform:translate(-50%,-50%) scale(1.08)}
}
.surface-visual-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) max-content;
  gap:8px;
  align-items:start;
  width:100%;
}
.surface-visual-slot{
  min-width:0;
  position:relative;
}
.shortest-activity{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:8px;
  font-size:11px;
  font-weight:800;
  letter-spacing:.02em;
  color:#475569;
}
.shortest-activity[hidden]{
  display:none;
}
.shortest-activity-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:currentColor;
  animation:surfaceShortestPulse 1.0s ease-in-out infinite;
}

.surface-shortest-overlay{
  position:absolute;
  left:10px;
  top:10px;
  z-index:8;
  min-width:190px;
  max-width:min(340px,calc(100% - 20px));
  padding:8px 10px;
  border:1px solid rgba(30,64,175,.28);
  border-radius:9px;
  background:rgba(248,250,252,.93);
  box-shadow:0 2px 9px rgba(15,23,42,.16);
  backdrop-filter:blur(2px);
  pointer-events:none;
  font:700 11px/1.35 ui-monospace,SFMono-Regular,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  color:#1e3a8a;
}
.surface-shortest-overlay[hidden]{display:none}
.surface-shortest-overlay .surface-shortest-head{
  display:flex;
  align-items:center;
  gap:7px;
  margin-bottom:3px;
  font-weight:900;
  letter-spacing:.035em;
}
.surface-shortest-overlay .surface-shortest-dot{
  width:9px;
  height:9px;
  flex:0 0 9px;
  border-radius:50%;
  background:#16a34a;
  box-shadow:0 0 0 3px rgba(22,163,74,.16);
}
.surface-shortest-overlay.running .surface-shortest-dot{
  animation:surfaceShortestPulse .72s ease-in-out infinite alternate;
}
.surface-shortest-overlay.retrying{
  color:#92400e;
  border-color:rgba(217,119,6,.35);
}
.surface-shortest-overlay.retrying .surface-shortest-dot{
  background:#d97706;
  box-shadow:0 0 0 3px rgba(217,119,6,.15);
}
.surface-shortest-overlay.blocked{
  color:#991b1b;
  border-color:rgba(220,38,38,.34);
}
.surface-shortest-overlay.blocked .surface-shortest-dot{
  background:#dc2626;
  box-shadow:0 0 0 3px rgba(220,38,38,.15);
}
.surface-shortest-overlay.converged{
  color:#166534;
  border-color:rgba(22,163,74,.32);
}
.surface-shortest-overlay.converged .surface-shortest-dot{
  background:#16a34a;
}
.surface-shortest-overlay.stopped{
  color:#475569;
  border-color:rgba(100,116,139,.28);
}
.surface-shortest-overlay.stopped .surface-shortest-dot{
  background:#64748b;
  box-shadow:none;
}
.surface-shortest-length{
  font-size:13px;
  font-weight:900;
  color:inherit;
}
.surface-shortest-samples{
  margin-top:1px;
  font-size:10.5px;
  font-weight:850;
  color:inherit;
}
.surface-shortest-detail{
  margin-top:2px;
  font-size:9.5px;
  font-weight:650;
  color:inherit;
  opacity:.82;
  white-space:normal;
  overflow-wrap:anywhere;
}
@keyframes surfaceShortestPulse{
  from{transform:scale(.82);opacity:.58}
  to{transform:scale(1.15);opacity:1}
}
.surface-status-rail{
  width:154px;
  min-width:154px;
  display:flex;
  justify-content:stretch;
  align-items:flex-start;
  padding-top:2px;
}
.surface-status{
  margin:0;
  width:100%;
  min-width:0;
  padding:7px 8px;
  border-radius:8px;
  border:2px solid rgba(90,98,110,.4);
  background:rgba(90,98,110,.08);
  font-size:11px;
  font-weight:800;
  letter-spacing:.025em;
  line-height:1.25;
  text-align:center;
  white-space:normal;
  overflow-wrap:anywhere;
}

.surface-point-readout{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin:0 2px 5px;
  min-height:18px;
  color:#4a5561;
  font:600 9px/1.25 ui-monospace,SFMono-Regular,Consolas,monospace;
}
.surface-point-readout .hold-true{
  color:#b15d19;
  font-weight:800;
}
.surface-point-readout .hold-false{
  color:#65717e;
}
.surface-point-readout .root-distance{
  color:#334155;
}
.surface-point-readout .surface-all-roots{
  flex-basis:100%;
  width:100%;
  white-space:normal;
  color:#5c6773;
  font-weight:550;
  line-height:1.45;
}
.surface-point-readout .surface-all-roots .current-root{
  color:#1769c2;
  font-weight:800;
}
.universal-controls label{
  font-size:12px;
  color:var(--muted);
}
#universalCover{aspect-ratio:1/1}
.pair-card{grid-column:span 2}
.pair-canvases{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:3px;
  align-items:start;
}
.pair-pane{min-width:0}
.pair-label{
  text-align:center;
  font-size:12px;
  font-weight:650;
  color:var(--muted);
  margin:0 0 4px 0;
}
.rot{display:flex;justify-content:center;gap:8px;margin-top:8px}
.mode{display:flex;gap:6px;flex-wrap:wrap}
.legend{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:4px;vertical-align:-1px}
.linekey{display:inline-block;width:19px;height:3px;margin-right:4px;vertical-align:2px}
.surface-card{grid-column:span 3}.universal-card{grid-column:span 1}}
.surface-card,.pair-card,.universal-card{grid-column:span 2}}
@media(max-width:680px){.grid{grid-template-columns:1fr}.surface-card,.pair-card,.universal-card{grid-column:span 1}.pair-canvases{grid-template-columns:1fr 1fr;gap:3px}}



.canvas-resizer{
  position:relative;
  width:100%;
  min-width:120px;
  resize:horizontal;
  overflow:hidden;
  border-radius:7px;
  aspect-ratio:var(--panel-aspect,1 / 1);
  height:auto !important;
}
.canvas-resizer canvas{
  width:100% !important;
  height:100% !important;
  aspect-ratio:auto !important;
  border-radius:7px;
}
.canvas-resizer::after{
  content:"";
  position:absolute;
  right:4px;
  bottom:4px;
  width:15px;
  height:15px;
  pointer-events:none;
  opacity:.55;
  background:
    linear-gradient(135deg,
      transparent 0 45%,
      #73808f 46% 52%,
      transparent 53% 64%,
      #73808f 65% 71%,
      transparent 72%);
}


@media(min-width:1281px){
  .card .small{
    font-size:10.5px;
    line-height:1.25;
  }
  .pair-label{
    font-size:10.5px;
    margin-bottom:2px;
  }
  .legend{
    gap:7px;
    margin-top:5px;
  }
  .rot{
    margin-top:5px;
  }
  .debug-panel{
    margin-top:6px;
    padding:6px 7px;
    max-height:145px;
    overflow:auto;
  }
  .debug-log{
    height:58px;
  }
}


.surface-canvas-resizer{
  position:relative;
  overflow:hidden;
}
.surface-canvas-resizer .surface-cursor,
.surface-canvas-resizer .loop-start-marker,
.surface-canvas-resizer .loop-close-marker{
  position:absolute;
}




.linked-domain-pointer{
  position:absolute;
  left:0;
  top:0;
  width:10px;
  height:10px;
  border-radius:50%;
  box-sizing:border-box;
  border:2px solid rgba(255,255,255,.96);
  background:#1769c2;
  box-shadow:0 0 0 1px rgba(23,105,194,.72);
  transform:translate(-50%,-50%);
  pointer-events:none;
  z-index:25;
  display:none;
}

.linked-domain-pointer::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:2px;
  height:2px;
  border-radius:50%;
  background:#fff;
  transform:translate(-50%,-50%);
}




.linked-universal-pointer-overlay{
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:25;
  display:none;
  

  background:transparent !important;
}


.two-d-card{
  grid-column:1;
}
.octagon-card{grid-row:1}
.universal-card{grid-row:2}
.predia-card{grid-row:3}
.diamond-card{grid-row:4}
.square-card{grid-row:5}
.punctured-card{grid-row:6}
.guide-card{grid-row:7}

 
.surface-card{
  align-self:start;
}

 
@media(max-width:1180px){
  .grid{
    grid-template-columns:1fr;
  }
  .two-d-card,
  .surface-card,
  .universal-card{
    grid-column:1 !important;
    grid-row:auto !important;
    position:static;
  }
}


.canvas-resizer[data-canvas="surface"]{
  --panel-aspect:1.65 / 1;
  min-width:420px;
}
.canvas-resizer[data-canvas="universalCover"]{
  --panel-aspect:1.55 / 1;
}
.canvas-resizer[data-canvas="domain"],
.canvas-resizer[data-canvas="preDiamond"],
.canvas-resizer[data-canvas="diamondLeft"],
.canvas-resizer[data-canvas="diamondRight"],
.canvas-resizer[data-canvas="squareLeft"],
.canvas-resizer[data-canvas="squareRight"],
.canvas-resizer[data-canvas="puncturedSquareLeft"],
.canvas-resizer[data-canvas="puncturedSquareRight"]{
  --panel-aspect:1 / 1;
}

.controls select{font:inherit;padding:4px 7px;border:1px solid var(--border);border-radius:6px;background:#fff}


 
#pythonBoot {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.94);
  color: #20242a;
  font: 600 14px/1.45 system-ui,-apple-system,Segoe UI,sans-serif;
}
#pythonBoot.ready { display: none; }
#pythonBoot .boot-card {
  max-width: 520px;
  padding: 18px 22px;
  border: 1px solid #c9ced6;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
#pythonBoot .boot-detail { margin-top: 5px; color: #68717c; font-size: 12px; font-weight: 500; }


.curve-context-menu{
  position:fixed;
  z-index:10000;
  width:250px;
  max-height:calc(100vh - 24px);
  overflow-y:auto;
  padding:10px;
  border:1px solid rgba(55,65,81,.28);
  border-radius:10px;
  background:rgba(255,255,255,.97);
  box-shadow:0 10px 28px rgba(15,23,42,.20);
  color:#1f2937;
  font:12px/1.35 system-ui,sans-serif;
  user-select:none;
}
.curve-context-menu[hidden]{display:none}
.curve-context-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  margin-bottom:8px;
}
.curve-context-title strong{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.curve-context-title button{
  width:24px;height:24px;padding:0;border:0;border-radius:6px;
  background:transparent;font-size:18px;line-height:22px;cursor:pointer;
}
.curve-context-title button:hover{background:#eef2f7}
.curve-context-field{display:grid;gap:4px;margin:7px 0}
.curve-context-field input[type="text"]{
  width:100%;box-sizing:border-box;padding:6px 7px;
  border:1px solid #cbd5e1;border-radius:6px;
  font:12px ui-monospace,SFMono-Regular,Consolas,monospace;
}
.curve-context-color-row{grid-template-columns:1fr auto;align-items:center}
.curve-context-color-row input[type="color"]{
  width:42px;height:28px;padding:1px;border:1px solid #cbd5e1;
  border-radius:6px;background:#fff;
}
.curve-context-check{display:flex;align-items:center;gap:7px;margin:9px 0 5px}
.curve-context-help{margin-top:-3px;color:#64748b;font-size:10px}
.curve-context-crossings{
  margin:-2px 0 8px;
  padding:5px 7px;
  border-radius:6px;
  background:rgba(15,23,42,.045);
  color:#475569;
  font-size:10px;
  font-variant-numeric:tabular-nums;
}
.curve-context-action{
  width:100%;margin:3px 0 7px;padding:6px 8px;
  border:1px solid #cbd5e1;border-radius:6px;background:#f8fafc;
  cursor:pointer;font-weight:700;
}
.curve-context-action:hover{background:#eef2f7}
.curve-context-shortest-status{
  margin:-2px 1px 2px;
  color:#64748b;
  font-size:10px;
  line-height:1.35;
}


.quiver-overlay{position:fixed;inset:0;z-index:12000;background:rgba(0,0,0,.34);display:flex;align-items:center;justify-content:center;padding:14px}.quiver-overlay[hidden]{display:none}.quiver-card{width:min(920px,96vw);height:min(720px,90vh);background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.3);display:flex;flex-direction:column;overflow:hidden}.quiver-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid #ddd}.quiver-head button{font-size:20px;border:0;background:transparent}.quiver-body{flex:1;min-height:0;overflow:auto;padding:8px}.quiver-svg{width:100%;height:520px;min-width:620px;background:#fafafa;border:1px solid #ddd;border-radius:8px;cursor:grab;touch-action:none}.quiver-svg:active{cursor:grabbing}.quiver-body{position:relative}.quiver-tools-panel{position:absolute;top:16px;right:16px;z-index:2;display:grid;justify-items:end;gap:6px;pointer-events:none}.quiver-tools-panel>*{pointer-events:auto}.quiver-legend{display:grid;gap:5px;padding:7px 9px;border:1px solid #d8dee8;border-radius:6px;background:rgba(255,255,255,.94);font:12px/1.3 system-ui;color:#344054;pointer-events:none}.quiver-legend:empty{display:none}.quiver-rename-box{position:absolute;z-index:3;display:grid;gap:6px;min-width:210px;padding:10px;border:1px solid #9ba9bb;border-radius:6px;background:white;box-shadow:0 4px 16px #0003;font:12px system-ui;color:#344054}.quiver-rename-box[hidden]{display:none}.quiver-rename-box input{width:100%;box-sizing:border-box;font:14px system-ui}.quiver-rename-actions{display:flex;gap:5px;justify-content:flex-end}.quiver-rename-actions button{padding:4px 8px;border:1px solid #ccd3dd;border-radius:4px;background:white;cursor:pointer}.quiver-rename-error{color:#ad342d}.quiver-legend-item{display:flex;align-items:center;gap:8px;white-space:nowrap}.quiver-key-shape{width:12px;height:12px;border:1.5px solid #667085;background:white;display:inline-block;flex:none}.quiver-key-diamond{transform:rotate(45deg)}.quiver-key-circle{border-radius:50%}.quiver-node{fill:#222;stroke:none}.quiver-arrow{fill:none;stroke:#333;stroke-width:1.5}.quiver-arrow-label{font-size:12px}.quiver-math-label{overflow:visible;pointer-events:none}.quiver-toolbar-button{padding:5px 10px;border:1px solid #999;border-radius:6px;background:#fff;font-weight:600}

 
.surface-kind-control{display:flex;align-items:center;gap:10px;font-weight:700}.surface-kind-buttons{display:flex;gap:6px}.surface-kind-buttons button{min-height:36px;padding:6px 12px}.public-app-title{font-size:24px;margin:0 0 12px}
.plane-workspace{display:none;margin-top:8px;position:relative;left:50%;right:50%;width:100vw;max-width:none;margin-left:-50vw;margin-right:-50vw}
.plane-workspace.active{display:block}
.plane-card{display:block;width:100vw!important;max-width:none!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;overflow:visible!important}
.plane-card>.head{margin:0;padding:6px 10px;background:#fff}
.plane-canvas-wrap{display:block;position:relative;width:75vw!important;max-width:none!important;height:75dvh!important;min-height:0!important;margin:0 auto!important;padding:0!important;border:1px solid #94a3b8!important;border-radius:0!important;overflow:hidden;background:transparent}
.plane-canvas-wrap>canvas,#planeCanvas{display:block!important;position:absolute!important;inset:0!important;width:100%!important;height:100%!important;max-width:none!important;min-width:0!important;aspect-ratio:auto!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;background:#fff;touch-action:none;cursor:crosshair;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.plane-canvas-wrap>.canvas-resizer{position:static!important;width:100%!important;height:100%!important;max-width:none!important;min-width:0!important;resize:none!important;overflow:visible!important;aspect-ratio:auto!important;border-radius:0!important}
.plane-canvas-wrap>.canvas-resizer::after{display:none!important}
.plane-hint{margin:0;padding:5px 10px;color:#475569;background:#fff}
@media(max-width:700px){.plane-workspace,.plane-card,.plane-canvas-wrap{width:75vw!important}.plane-canvas-wrap{height:75dvh!important;min-height:0!important}}
.plane-shortest-status{font-size:10px;color:#475569;margin-top:3px}

 
[hidden]{display:none!important}
.workspace-heading{align-items:center;justify-content:space-between;margin-bottom:10px}
.workspace-heading label{display:flex;align-items:center;gap:10px;font-weight:700}
.surface-workspace-frame{border:1px solid var(--border);border-radius:12px;padding:8px;background:#fff;min-width:0}
#genus2WorkspaceGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;align-items:start}
#genus2WorkspaceGrid>.card{grid-row:1!important;position:relative;top:auto;min-width:0;padding:4px;border:0;background:transparent}
#genus2WorkspaceGrid>.universal-card{grid-column:1!important}
#genus2WorkspaceGrid>.surface-card{grid-column:2!important}
#genus2WorkspaceGrid .head{min-height:30px;align-items:center;flex-wrap:wrap;font-size:13px}
#genus2WorkspaceGrid .surface-visual-row{display:block}
#genus2WorkspaceGrid .canvas-resizer{width:100%!important;min-width:0;max-width:100%;resize:none;--panel-aspect:1 / 1}
#genus2WorkspaceGrid .canvas-resizer::after{display:none}
#genus2WorkspaceGrid canvas[data-primary-view]{aspect-ratio:1 / 1;min-width:0}
#poincareViewport,#poincareViewport canvas{cursor:default;user-select:none;-webkit-user-select:none}
#genus2WorkspaceGrid .universal-controls{margin:8px 0 0;min-height:34px}
#genus2WorkspaceGrid .universal-controls>label{display:flex;align-items:center;gap:8px;width:100%;font-size:12px;white-space:nowrap}
#coverDepth{flex:1;min-width:0;accent-color:var(--accent)}
.workspace-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;border-top:1px solid var(--border);padding:12px 4px 4px;margin-top:8px}
.workspace-toolbar .mode{display:flex;gap:6px;flex-wrap:wrap;margin-right:8px}
.workspace-toolbar button{font-size:13px;white-space:nowrap}
.workspace-notices{display:grid;gap:8px;min-width:0}
.workspace-notices>div{margin-top:8px}
#auxiliaryCoordinateSystems{margin:0!important;max-height:0!important;overflow:hidden!important;visibility:hidden!important;pointer-events:none!important}
.auxiliary-heading{font-size:13px;font-weight:700;color:var(--muted);margin:0 0 8px 2px}
.auxiliary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:8px;align-items:start}
.auxiliary-grid>.card{grid-column:auto!important;grid-row:auto!important}
.coordinate-guide{font-size:12px;color:var(--muted);margin-top:8px}
.coordinate-guide summary{cursor:pointer;padding:8px 2px}
#surfaceWorkspaceFrame .plane-workspace{left:auto;right:auto;width:100%!important;margin:0}
#surfaceWorkspaceFrame .plane-card{width:100%!important}
#surfaceWorkspaceFrame .plane-canvas-wrap{width:100%!important;height:65dvh!important}
@media(max-width:700px){
  body{padding:10px}
  .surface-workspace-frame{padding:4px}
  #genus2WorkspaceGrid{gap:4px}
  #genus2WorkspaceGrid .head{font-size:12px;min-height:42px;gap:2px}
  #genus2WorkspaceGrid .head .small{font-size:10px}
  .workspace-toolbar{gap:6px;padding:10px 2px 4px}
  .workspace-toolbar button{font-size:12px;padding:8px}
}