#bmfw-toggle {
  transform: scale(1);
  transition: transform 0.2s ease, opacity 0.3s ease;
}

#bmfw-toggle:hover {
  transform: scale(1.1);
}

/* grey‑out when paused */
#bmfw-toggle.paused {
  filter: grayscale(100%);
}

/* diagonal slash when paused */
#bmfw-toggle.paused::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 60%;
  background: currentColor;
  transform: translate(-50%, -50%) rotate(45deg);
  z-index: 1;
  pointer-events: none;
}