.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(
    circle at var(--x, 50%) var(--y, 50%),
    transparent 0%,
    transparent var(--size, 150px),
    rgba(0, 0, 0, var(--opacity, 0.85)) calc(var(--size, 150px) + 50px),
    rgba(0, 0, 0, var(--opacity, 0.85)) 100%
  );
  will-change: background;
}

.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 70%
  );
  transform: translate(-50%, -50%);
  will-change: transform;
}