:root {
    --bg-color: #f0f0f0;
    --container-bg: white;
    --text-color: #333;
    --btn-bg: #4CAF50;
    --btn-hover: #45a049;
}

body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem 0;
}

.container, .mbti-container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    max-width: 500px;
    width: 90%;
}

h1, h2 {
    margin-bottom: 2rem;
    color: var(--text-color);
}

.numbers-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

#generate-btn, #mbti-submit-btn {
    padding: 0.8rem 2rem;
    font-size: 1rem;
    color: white;
    background-color: var(--btn-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#generate-btn:hover, #mbti-submit-btn:hover {
    background-color: var(--btn-hover);
}

.mbti-container .question {
    text-align: left;
    margin-bottom: 1.5rem;
}

.mbti-container .question p {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.mbti-container label {
    display: block;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

#mbti-result {
    margin-top: 2rem;
    font-size: 1.2rem;
    font-weight: bold;
}