body {
  margin: 0;
  padding: 0;
  background: #000;
}

#container {
  position: fixed;
  inset: 0;
  touch-action: none;
}

#paletteLabel {
  position: fixed;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(220, 235, 255, 0.85);
  font: 14px/1 system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  pointer-events: none;
  opacity: 0;
  transition: opacity 380ms ease;
  text-shadow: 0 0 12px rgba(0, 0, 0, 0.9);
  z-index: 10;
  user-select: none;
}

#paletteLabel.show { opacity: 1; }