.command-box {
  display: inline-block;
  padding: 12px 20px;
  margin: 8px;
  border: 2px solid #4CAF50;
  border-radius: 10px;
  background-color: #f9fff3;
  font-family: 'Segoe UI', sans-serif;
  font-size: 16px;
  font-weight: bold;
  color: #2e7d32;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
}


.forward { background-color: #e3f2fd; border-color: #2196f3; color: #1565c0; }
.turn-left { background-color: #fff3e0; border-color: #ff9800; color: #ef6c00; }
.turn-right { background-color: #fce4ec; border-color: #e91e63; color: #ad1457; }
.back { background-color: #ede7f6; border-color: #673ab7; color: #4527a0; }