.quiz-wrapper {
    display: flex;
    flex-direction: column;
  }

  @media (min-width: 768px) {
    .quiz-wrapper {
      flex-direction: row;
      gap: 20px;
    }

    .quiz-main {
      flex: 1;
    }

    .quiz-sidebar {
      width: 300px;
    }
  }

  .quiz-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
  }

  .quiz-question {
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 15px;
  }

  .quiz-options button {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
    background-color: #f3f4f6;
    border: 1px solid #ccc;
    text-align: left;
    cursor: pointer;
    transition: 0.2s ease-in-out;
  }

  .quiz-options button.correct {
    background-color: #d1fae5 !important;
    border-color: #10b981 !important;
    color: #065f46;
  }

  .quiz-options button.wrong {
    background-color: #fee2e2 !important;
    border-color: #dc2626 !important;
    color: #7f1d1d;
  }

  .quiz-options button:disabled {
    cursor: not-allowed;
    opacity: 0.85;
  }

  .quiz-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    color: #1f2937;
  }

  .answer-btns {
    margin-top: 10px;
    display: flex;
    gap: 10px;
  }

  .answer-button {
    background-color: #2563eb;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }

  .answer-button:hover {
    background-color: #1d4ed8;
  }

  .hide-button {
    background-color: #f87171;
    color: white;
  }

  .hide-button:hover {
    background-color: #ef4444;
  }

  .correct-text {
    margin-top: 10px;
    font-weight: bold;
    color: #047857;
    display: none;
  }

  .pagination {
    text-align: center;
    margin-top: 30px;
  }

  .pagination button {
    margin: 0 4px;
    padding: 6px 14px;
    border: none;
    background-color: #4f46e5;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
  }

  .pagination button:hover {
    background-color: #4338ca;
  }

  .pagination button.active {
    background-color: #1e40af;
  }

  .pagination button:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
  }