* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #000;
  overflow: hidden;
  font-family: 'Press Start 2P', monospace;
}

#game-wrapper {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-container canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#crt-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
  z-index: 10;
}

#scanlines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
  z-index: 11;
  animation: scanline-flicker 0.1s infinite alternate;
}

@keyframes scanline-flicker {
  0% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
  }
}