function highlightAnswers() {
  const gameFrame = document.querySelector('#gameFrame');
  if (!gameFrame) {
    alert('Game frame not found!');
    return;
  }

  const style = document.createElement('style');
  style.textContent = `
    .correct-answer {
      border: 3px solid #4CAF50 !important;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
      70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
      100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
    }
  `;
  document.head.appendChild(style);

  setInterval(() => {
    const answers = gameFrame.contentWindow.document.querySelectorAll('.styles__answerContainer___3WuiW-camelCase');
    answers.forEach(answer => {
      if (answer.getAttribute('data-correct') === 'true') {
        answer.classList.add('correct-answer');
      }
    });
  }, 100);
}

highlightAnswers();