#hanoi-container {
  text-align: center;
  font-family: Arial, sans-serif;
  color: #fff;
  background: #222;
  padding: 20px;
  border-radius: 12px;
  max-width: 600px;
  margin: auto;
  box-shadow: 0 0 15px rgba(0,0,0,0.7);
}

#game {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 300px;
  margin-top: 40px;
}

.tower {
  width: 120px;
  height: 250px;
  margin: 0 20px;
  border: 3px solid #fff;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  background: rgba(255,255,255,0.05);
}

.disk {
  height: 25px;
  margin: 2px 0;
  border-radius: 5px;
  text-align: center;
  color: #000;
  font-weight: bold;
  border: 2px solid #fff;   /* obramowanie dla kontrastu */
}