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

html, body {
  width: 100%;
  height: 100%;
  background: #0a0a12;
  overflow: hidden;
  font-family: ui-monospace, "Cascadia Mono", "Courier New", monospace;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

#screen {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
  box-shadow: 0 0 0 3px #241c38, 0 0 40px rgba(54, 121, 244, 0.25);
}

#help {
  color: #6f7a92;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-align: center;
}

#help b { color: #b8c2d8; font-weight: 600; }