:root { --sat: env(safe-area-inset-top, 0px); }

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #000;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none; user-select: none;
  overscroll-behavior: none;
  touch-action: none;
  font-family: 'Trebuchet MS', Impact, system-ui, sans-serif;
}

body {
  display: flex; flex-direction: column;
  height: 100vh; height: 100dvh;
}

#game-container {
  position: relative; flex: 1 1 auto; min-height: 0;
  width: 100%; background: #000; overflow: hidden;
}

#game {
  display: block; width: 100%; height: 100%;
  touch-action: none; background: #000;
}