/* quiz.css - Styling for interactive quiz system */

.quiz-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--primary-color);
}

.quiz-header h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.quiz-instructions {
    color: var(--text-secondary);
    font-style: italic;
}

.quiz-questions {
    margin-bottom: var(--spacing-xl);
}

.quiz-question {
    background: var(--bg-color);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--border-color);
    transition: all 0.3s;
}

.quiz-question:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.question-header {
    margin-bottom: var(--spacing-sm);
}

.question-number {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.question-text {
    font-size: 1.1rem;
    margin: var(--spacing-md) 0;
    color: var(--text-primary);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quiz-option {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quiz-option:hover {
    border-color: var(--secondary-color);
    background: var(--bg-color);
    transform: translateX(5px);
}

.quiz-option input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.quiz-option label {
    flex: 1;
    cursor: pointer;
    user-select: none;
}

.quiz-option.correct-answer-highlight {
    border-color: #27ae60;
    background: rgba(39, 174, 96, 0.1);
}

.quiz-option.wrong-answer-highlight {
    border-color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

/* Answer Feedback */
.answer-feedback {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 8px;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.answer-feedback.correct {
    background: rgba(39, 174, 96, 0.1);
    border-left: 4px solid #27ae60;
}

.answer-feedback.incorrect {
    background: rgba(231, 76, 60, 0.1);
    border-left: 4px solid #e74c3c;
}

.feedback-icon {
    font-size: 2rem;
    line-height: 1;
}

.feedback-content {
    flex: 1;
}

.feedback-status {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.answer-feedback.correct .feedback-status {
    color: #27ae60;
}

.answer-feedback.incorrect .feedback-status {
    color: #e74c3c;
}

.correct-answer {
    color: var(--accent-color);
    margin: var(--spacing-xs) 0;
}

.explanation {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: var(--spacing-xs);
}

/* Quiz Results */
.quiz-results {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-xl);
    border-radius: 16px;
    text-align: center;
    margin-top: var(--spacing-xl);
    box-shadow: var(--shadow-hover);
}

.quiz-results h4 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 5px solid white;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.score-value {
    font-size: 3rem;
    font-weight: bold;
    line-height: 1;
}

.score-total {
    font-size: 1.5rem;
    opacity: 0.9;
}

.score-percentage {
    font-size: 2.5rem;
    font-weight: bold;
    margin: var(--spacing-sm) 0;
}

.score-message {
    font-size: 1.3rem;
    margin: var(--spacing-md) 0;
    opacity: 0.95;
}

.btn-retry {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: var(--spacing-md);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-retry:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .quiz-question {
        padding: var(--spacing-md);
    }

    .question-text {
        font-size: 1rem;
    }

    .score-circle {
        width: 120px;
        height: 120px;
    }

    .score-value {
        font-size: 2.5rem;
    }

    .score-percentage {
        font-size: 2rem;
    }
}