/* ── Keyboard Overlay ───────────────────────── */
#keyboard-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-kb);
  background: rgba(8,11,16,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity var(--dur-mid) var(--ease-out), visibility var(--dur-mid);
}
#keyboard-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
#keyboard-overlay.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.kb-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--clr-text3);
  text-transform: uppercase;
}
.kb-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--clr-text3);
  letter-spacing: 0.1em;
}
.kb-close {
  position: absolute;
  top: 24px; right: 32px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-text2);
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: color var(--dur-fast) ease;
}
.kb-close:hover { color: var(--clr-accent); }

#keyboard-canvas {
  width: min(800px, 90vw);
  height: auto;
  cursor: pointer;
}