body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

h1 {
    text-align: center;
}

.upload-section, .question-section, .result-section {
    margin-bottom: 20px;
}

textarea, input[type="file"], button {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
}

.result-section {
    padding: 20px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
}