body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #222;
  color: white;
  margin: 0;
  padding: 20px;
}

h1 {
  font-size: 2em;
  margin-bottom: 0.5em;
}

/* Touch-Optimierung */
#game-area {
  width: 80vw;              /* 80% der Bildschirmbreite */
  height: 60vh;             /* 60% der Bildschirmhöhe */
  background-color: #333;
  margin: 20px auto;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  touch-action: manipulation;  /* verhindert Doppeltipp-Zoom und Scrollen während Touch*/
}


.circle {
  position: absolute;
  border-radius: 50%;
  cursor: pointer;
  transition: opacity 0.2s;
}

button {
  background: #00bcd4;
  border: none;
  padding: 10px 20px;
  font-size: 1.2em;
  border-radius: 8px;
  cursor: pointer;
  color: white;
  margin-top: 10px;
  transition: background 0.2s;
}

button:hover,
button:active {
  background: #0097a7;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.5em;
  }
  button {
    font-size: 1em;
  }
}