:root {
  --bg: #0d0f1a;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#game {
  display: block;
  width: 100vw;
  height: 100vh;
  background: var(--bg);
  cursor: crosshair;
  touch-action: none; /* prevent mobile scroll/zoom while playing */
}

.noscript {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  background: var(--bg);
}