@media (prefers-color-scheme: dark) {
  .mermaid {
    color: white;
    background-color: transparent;
  }

  .mermaid .actor,
  .mermaid .label,
  .mermaid .messageText,
  .mermaid text {
    fill: white !important;
  }

  .mermaid line,
  .mermaid rect,
  .mermaid path {
    stroke: white !important;
  }
}