#debug {
  position: fixed;
  top: 0.25rem;
  right: 0.25rem;
  z-index: 100;
  max-width: 60vw;
  padding: 0.2rem 0.5rem;
  border-radius: 0.5rem;
  background: rgb(0 0 0 / 0.65);
  color: #fff;
  font: 0.7rem/1.3 ui-monospace, monospace;
  cursor: pointer;
}

#debug.folded {
  width: 1rem;
  height: 1rem;
  padding: 0;
  overflow: hidden;
  color: transparent;
}