/* Lazy-loaded 3D dataset previews. Kept separate so the baseline page remains light. */
.dataset-intro {
  max-width: 720px;
  margin: -16px auto 24px;
  color: var(--muted, #606877);
  text-align: center;
  font-size: var(--font-size-min);
  line-height: 1.65;
}
.mesh-status {
  min-height: 20px;
  margin: 0 0 18px;
  color: var(--muted, #606877);
  text-align: center;
  font-size: var(--font-size-min);
  line-height: 1.5;
}
.mesh-status:empty { display: none; }
.mesh-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.mesh-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: var(--radius, 10px);
  background: #fff;
}
.mesh-viewport {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  background: #fff;
  border-bottom: 1px solid #edf0f3;
  cursor: grab;
  outline: none;
}
.mesh-viewport:active {
  cursor: grabbing;
}
.mesh-viewport:focus-visible {
  outline: 2px solid #586781;
  outline-offset: -4px;
}
.mesh-viewport canvas {
  display: block;
  width: 100%;
  height: 250px;
  touch-action: none;
}
.mesh-error,
.mesh-load-error {
  display: block;
  padding: 12px;
  color: #606877;
  font-size: var(--font-size-min);
  line-height: 1.5;
}
.mesh-error {
  position: absolute;
  inset: auto 10px 10px;
  border: 1px solid #e5e7eb;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.96);
}
.mesh-caption {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px;
}
.mesh-caption > strong + p {
  min-height: 3.1em;
}
.mesh-caption strong {
  display: block;
  font-size: var(--font-size-min);
  font-weight: 650;
  letter-spacing: -0.01em;
}
.mesh-caption > p {
  margin: 7px 0 0;
  color: #606877;
  font-size: var(--font-size-min);
  line-height: 1.55;
}
.dataset-legend .legend-dot.observed {
  background: #d6d6e0;
}
.dataset-legend .legend-dot.completed {
  background: rgba(219, 221, 227, 0.126);
  border-color: rgba(200, 203, 211, 0.45);
}
.mesh-time {
  min-height: 1.3em;
  margin: 8px 0 0;
  color: #7a8392;
  font-size: var(--font-size-min) !important;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}
.mesh-reset {
  align-self: flex-start;
  min-height: 38px;
  margin-top: auto;
  padding: 7px 12px;
  border: 1px solid #dfe3e8;
  border-radius: 4px;
  background: #fff;
  color: #4e596b;
  font: inherit;
  font-size: var(--font-size-min);
  cursor: pointer;
}
.mesh-reset:hover {
  background: #f7f8fa;
}
.mesh-load-error {
  grid-column: 1 / -1;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: var(--radius, 10px);
  text-align: center;
}
@media (max-width: 800px) {
  .mesh-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .mesh-grid {
    grid-template-columns: 1fr;
  }
  .mesh-viewport,
  .mesh-viewport canvas {
    min-height: 240px;
    height: 240px;
  }
}
.mesh-renderer {
  min-height: 1.3em;
  color: #687285 !important;
  font-size: var(--font-size-min) !important;
}
.mesh-caption > .mesh-time { margin-bottom: 16px; }
.mesh-renderer:empty { display: none; }
.mesh-renderer:not(:empty) { margin-bottom: 16px; }