/* Keyboard shortcut legend for reveal.js presentations */
.reveal .slide-help {
  position: absolute;
  bottom: 12px;
  left: 12px;
  font-size: 0.55em;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 4px;
  z-index: 30;
  line-height: 1.6;
  pointer-events: none;
}

.reveal .slide-help kbd {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: monospace;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  margin: 0 2px;
}

/* Hide help legend in print/PDF mode */
@media print {
  .reveal .slide-help { display: none; }
}