.quiz-container {
    border: 1px solid #ddd;
    padding: 30px;
    margin: 20px 0;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.quiz-header {
    margin-bottom: 30px;
    text-align: center;
}

.quiz-title {
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 15px;
    margin-bottom: 20px;
    font-size: 28px;
}

.quiz-progress {
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #ecf0f1;
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 14px;
    color: #7f8c8d;
    font-weight: 500;
}

.quiz-slides {
    position: relative;
    min-height: 300px;
}

.quiz-slide {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.quiz-slide.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.quiz-question {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border-left: 5px solid #3498db;
    margin-bottom: 20px;
}

.quiz-question h4 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 25px;
}

.quiz-answers {
    display: grid;
    gap: 12px;
}

.quiz-answer {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.quiz-answer:hover {
    border-color: #3498db;
    background: #f8fafc