.drop-zone {
    border: 2px dashed #1c3faa;
    padding: 40px;
    border-radius: 15px;
    background-color: #f0f8ff;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

.drop-zone.dragover {
    background-color: #e0f0ff;
}

#preview-area .preview-box {
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    background-color: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

#preview-area .preview-box img {
    max-height: 100px;
    margin-bottom: 8px;
}