body {
    font-family: Arial, sans-serif;
    margin: 30px;
    background: #f2f2f2;
}

#dropzone {
    width: 100%;
    height: 160px;
    border: 3px dashed #666;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    background: white;
    cursor: pointer;
}

#fileList {
    margin-bottom: 20px;
    font-size: 18px;
}

#analyzeBtn {
    padding: 12px 20px;
    font-size: 18px;
}

#output {
    white-space: pre-wrap;
    background: white;
    padding: 20px;
    margin-top: 20px;
}