.quiz-container {
    max-width: 800px;
    margin: 40px auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.quiz-number {
    font-size: 14px;
    color: #666;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.quiz-title {
    font-size: 24px;
    color: #333;
    margin: 0 0 30px 0;
    font-weight: 600;
}

.quiz-answers {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.answer-option {
    padding: 16px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.answer-option:hover {
    border-color: #d0d0d0;
    background: #f9f9f9;
}

.answer-option.selected {
    background: #333;
    color: white;
    border-color: #333;
}

.answer-option.correct-answer {
    background: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

.quiz-feedback {
    margin: 20px 0;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 8px;
}

.feedback-result {
    font-weight: 600;
    margin-bottom: 12px;
}

.feedback-result .correct {
    color: #4CAF50;
}

.feedback-result .incorrect {
    color: #f44336;
}

.explanation {
    color: #555;
    line-height: 1.6;
    font-size: 14px;
}

.quiz-btn {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.quiz-btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

.quiz-thanks {
    text-align: center;
    padding: 40px;
    font-size: 18px;
    color: #333;
}