.choice-card {
  cursor: pointer;
  user-select: none;
}

.choice-card.selected {
  border-color: #0d6efd;
  background-color: #e7f1ff;
}

.choice-card.correct {
  border-color: #198754;
  background-color: #d1e7dd;
}

.choice-card.incorrect {
  border-color: #dc3545;
  background-color: #f8d7da;
}

.game-code {
  font-size: 2.5rem;
  letter-spacing: 0.3rem;
  font-weight: 700;
}