body {
  margin: 0;
  padding: 0;
  background-color: #0c3823; /* Classic card table green */
  background-image: radial-gradient(circle at center, #1b5e3c 0%, #0c3823 100%);
  color: #fff;
  font-family: sans-serif;
  overflow: hidden;
  touch-action: none; /* Prevent browser swipe navigation */
}

#app {
  width: 100vw;
  height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#stage {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#label {
  position: absolute;
  bottom: 10%;
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  z-index: 2;
  pointer-events: none;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  opacity: 0;
  transition: opacity 0.3s;
}

#label.visible {
  opacity: 1;
}