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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #2b1c17;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 50% 40%, #3a2721 0%, #1d1310 100%);
}

#game {
  display: block;
  touch-action: none;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  border-radius: 6px;
}