@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.progress-fill {
    transition: width 0.5s ease-out;
}

.option-button.disabled {
    cursor: not-allowed;
    opacity: 0.8;
}

.option-button.correct {
    color: white;
    background: #8DB92F;
}

.option-button.incorrect {
    color: white;
    background: #FE5148;
}

.feedback-section.correct .feedback-title {
    color: #719F08;
}

.feedback-section.incorrect .feedback-title {
    color: #DE302F;
}

.full-rationale {
    margin-top: 15px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    color: #444;
    line-height: 1.6;
    font-size: 12px;
}