.hex-stream {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: monospace;
  color: lime;
  font-size: 16px;
  white-space: nowrap;
  animation: fadeHex 6s ease-out forwards;
  z-index: 9999;
}

.hex-stream span {
  margin-right: 5px;
  opacity: 0;
  animation: appearHex 0.6s forwards;
}

@keyframes appearHex {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeHex {
  to { opacity: 0; }
}