.trail-dot {
  position: fixed;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: rgba(0, 123, 255, 0.8);
  pointer-events: none;
  z-index: 9999;
  filter: blur(3px);
  transform-origin: center;
  transition: transform 0.2s ease;
}