body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

#app {
    max-width: 800px;
    margin: 0 auto;
}

#upload-section {
    border: 2px dashed #ccc;
    padding: 20px;
    text-align: center;
}

#drop-area {
    height: 200px;
    margin: 10px 0;
}

#pdf-viewer {
    border: 1px solid #000;
    position: relative;
    overflow: hidden;
}

#form-tools {
    margin-top: 10px;
}

.form-input {
    position: absolute;
    border: 1px dashed #000;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 5px;
}

input[type="text"], input[type="checkbox"] {
    margin: 5px;
}