.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  backdrop-filter: blur(4px) brightness(0.2);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: backdrop-filter 300ms ease-in-out;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(0px) brightness(1);
}