/* Banner shown while the machine runs and the screen lacks keyboard focus.
   pointer-events none so it never eats the click that focuses the screen. */
.focus-hint {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 6;
  padding: 6px 0; text-align: center; pointer-events: none;
  background: rgba(230,126,34,.55); color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .03em;
  opacity: 0; transition: opacity .2s ease;
}
.focus-hint.visible { opacity: 1; }