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

body {
  background: #020210;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

canvas {
  display: block;
  max-width: 100vw;
  max-height: 100dvh;
  width: auto;
  height: auto;
  aspect-ratio: 1000 / 600;
  border: 1px solid #0a1a3a;
  box-shadow:
    0 0 20px rgba(0, 255, 255, 0.15),
    0 0 60px rgba(0, 255, 255, 0.05),
    inset 0 0 20px rgba(0, 0, 0, 0.3);
  border-radius: 2px;
}

body.mobile canvas {
  max-width: 100vw;
  max-height: 100dvh;
  width: auto;
  height: auto;
  aspect-ratio: 1000 / 600;
  border: none;
  box-shadow: none;
  border-radius: 0;
}