:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  color: #e9f1f5;
  background: #07111f;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
main {
  width: 100%;
  padding: 8px 0;
}
button {
  font: inherit;
  color: #cbdde7;
  background: #102237;
  border: 1px solid #29445d;
  border-radius: 4px;
  padding: 9px 13px;
  cursor: pointer;
}
button[aria-pressed="true"] {
  background: #174159;
  color: #b6f6ff;
  border-color: #69d2e7;
}
button:hover {
  border-color: #69d2e7;
}
button:focus-visible,
canvas:focus-visible {
  outline: 2px solid #69d2e7;
  outline-offset: 3px;
}
.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.toolbar #reset {
  margin-left: auto;
}
p {
  color: #9fb3c2;
  font-size: 14px;
  line-height: 1.6;
  margin: 12px 0;
}
.canvas-wrap {
  position: relative;
  border: 1px solid #29445d;
  border-radius: 6px;
  overflow: hidden;
  background: radial-gradient(ellipse at center, #0b1b2b, #07111f);
}
canvas {
  display: block;
  width: 100%;
  height: 440px;
  cursor: grab;
  touch-action: none;
}
canvas:active {
  cursor: grabbing;
}
.axis-key {
  position: absolute;
  bottom: 12px;
  right: 14px;
  color: #9fb3c2;
  font-size: 14px;
  pointer-events: none;
}
.view-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.view-controls button {
  min-width: 40px;
}
.view-controls span {
  color: #9fb3c2;
  font-size: 14px;
  margin-left: 4px;
}
#mesh-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 15px;
  font-size: 14px;
}
#mesh-legend span::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 3px;
  background: var(--level);
  vertical-align: middle;
  margin-right: 6px;
}
#mesh-status:empty {
  display: none;
}
@media (max-width: 520px) {
  canvas {
    height: 360px;
  }
  .toolbar {
    gap: 6px;
  }
  .toolbar button {
    padding: 8px 10px;
    font-size: 14px;
  }
  .toolbar #reset {
    margin-left: 0;
  }
  .view-controls span {
    font-size: 12px;
  }
  #mesh-legend {
    gap: 10px;
    font-size: 12px;
  }
}

#reset-whole { display: none; }
.whole-embed main { padding: 0; }
.whole-embed .toolbar, .whole-embed #mesh-caption, .whole-embed #mesh-legend, .whole-embed .axis-key { display: none; }
.whole-embed .canvas-wrap { border: 0; border-radius: 0; background: #07111f; }
.whole-embed canvas { height: auto; aspect-ratio: 1; }
.whole-embed .view-controls { margin-top: 0; justify-content: center; flex-wrap: wrap; gap: 6px; }
.whole-embed #reset-whole { display: inline-block; }
.whole-embed .view-controls button { padding: 6px 10px; font-size: 14px; }
.whole-embed .view-controls span { flex-basis: 100%; text-align: center; margin: 0; font-size: 12px; }