/* Match the seven linear-ODE legends to their actual Canvas strokes. */
[data-second-order] .legend .legend-blue { color: #8fbaff; }
[data-second-order] .legend .legend-gold { color: #f0c15a; }
[data-second-order] .legend .legend-dashed::before {
  height: 0;
  background: none;
  border-top: 2px dashed currentColor;
}