:root {
  --bg: #0f1b28;
  --text: #e7f0ff;
}
* { box-sizing: border-box; }
html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  touch-action: none;
  overflow: hidden;
}
#wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
}
#game {
  width: 960px;
  height: 540px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 4px solid #0a0f14;
  background: #000;
}
#hint {
  font-size: 12px;
  opacity: 0.7;
}