.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: screen;
  animation: flicker 0.5s infinite;
  border-radius: var(--border-radius);
  box-shadow: inset 0 0 40px var(--glow-color);
}

.hidden {
  display: none;
}

.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scanlines {
  0% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

@keyframes vhs-static {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-1px, 1px); }
  50% { transform: translate(1px, -0.5px); }
  75% { transform: translate(-0.5px, 0.5px); }
  100% { transform: translate(0.5px, -1px); }
}

@keyframes flicker {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

@keyframes rgb-split {
  0%, 100% {
    transform: translate(0px, 0px);
  }
  50% {
    transform: translate(-0.5px, 0.5px);
  }
}