.quiz-container {
    margin-top: 20px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: calc(100% - 20px);
    max-width: 400px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #ddd;
    border-radius: 5px;
    margin-bottom: 20px;
}

.progress {
    height: 100%;
    background: #4caf50;
    width: 0%;
    border-radius: 5px;
    transition: width 0.3s;
}

#question-container {
    margin-bottom: 20px;
}

#question-container h3 {
    font-size: 21px;
}

button.option {
    display: block;
    margin: 5px 0;
    padding: 10px;
    width: 100%;
    border: 1px solid #ccc;
    background: #fff;
    cursor: pointer;
    border-radius: 5px;
    transition: 0.3s;
    font-size: 16px;
}

button.option.correct {
    background: #4caf50;
    color: white;
}

button.option.wrong {
    background: #f44336;
    color: white;
}

#next-btn,
#retry-btn,
#home-btn {
    padding: 10px;
    width: 100%;
    background: #2196f3;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#retry-btn {
    background-color: orange;
    margin-bottom: 10px;
}

.hidden_quiz {
    display: none;
}

#result-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: 400px;
    margin-top: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#result-container h2 {
    margin-top: 0;
}

#summary-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    list-style: none;
    padding: 0;
}

#summary-list li {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    background-color: #b1dbff;
    border-radius: 10px;
}

#score {
    font-size: 20px;
    color: green;
}