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

body {
  background: #06060f;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100svh;
  font-family: 'Courier New', monospace;
}

#wrapper {
  position: relative;
  width: min(98vw, calc(98vh * 460 / 600));
  max-width: 460px;
  border: 2px solid #1a2a4a;
  box-shadow:
    0 0 20px rgba(88, 166, 255, 0.3),
    0 0 60px rgba(88, 166, 255, 0.08);
  touch-action: none;
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 460 / 600;
  background: #0d1117;
  touch-action: none;
}

#tip {
  margin-top: 8px;
  font-size: 0.7rem;
  color: #2d3340;
  font-family: 'Courier New', monospace;
  text-align: center;
  letter-spacing: 0.04em;
}