.cash-overlay {
  position: absolute;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.5rem;
  color: #00ffcc;
  animation: floatUp 3s ease-out forwards;
  pointer-events: none;
}
@keyframes floatUp {
  0% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -200px); }
}