.quiz-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    max-width: 800px;
    margin: 0 auto;
}

.quiz-header {
    margin-bottom: 2rem;
}

.quiz-header h2 {
    color: var(--gray-800);
    margin-bottom: 1rem;
    text-align: center;
}

.quiz-progress {
    margin-top: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.question-counter {
    display: block;
    text-align: right;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.question-container {
    margin-bottom: 2rem;
}

.question {
    font-size: 1.2rem;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: var(--gray-100);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.option:hover {
    background-color: var(--gray-200);
    border-color: var(--primary-light);
}

.option input[type="radio"] {
    margin-right: 1rem;
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

.option-text {
    font-size: 1rem;
    color: var(--gray-700);
}

.option.selected {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.option.selected .option-text {
    color: var(--white);
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.quiz-navigation .btn {
    min-width: 150px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .quiz-container {
        padding: 1rem;
        margin: 1rem;
    }

    .question {
        font-size: 1.1rem;
    }

    .option {
        padding: 0.8rem;
    }

    .quiz-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .quiz-navigation .btn {
        width: 100%;
    }
}