/* The hand-drawn SVG diagrams are black ink on a transparent background, the
   same as Excalidraw exports them. Dark themes get the inversion Excalidraw's
   own dark export applies, so one file serves every theme. */
.navy img[src$=".svg"],
.coal img[src$=".svg"],
.ayu img[src$=".svg"] {
  filter: invert(93%) hue-rotate(180deg);
}