html, body {
  margin: 0;
  padding: 0;
  background: #05060f;
  color: #dfe6ff;
  font-family: system-ui, sans-serif;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

#game {
  border-radius: 14px;
  box-shadow: 0 0 60px rgba(125, 249, 255, 0.18), 0 0 120px rgba(177, 140, 255, 0.12);
  max-width: 96vw;
  height: auto;
  cursor: crosshair;
  touch-action: none;
}

.help {
  font-size: 12px;
  color: rgba(223, 230, 255, 0.55);
  text-align: center;
  padding: 0 12px;
}