I need to add a web based skin to my reports being created in BigQuery/Connected sheets. I would like to present just the views via a website and login, so consumers of the data have a cleaner view of the information.

I am looking for a web based skin to add to my reports in BigQuery/Connected sheets. This skin would present the views of my data in a more visually-appealing way and also have a login feature. I'm looking for a professional, corporate style, and I'm open to suggestions in terms of color schemes and features. The freelancer should have experience in web design and creating visually-appealing skins on various platforms. The task requires expertise in theme customization, coding, and UX/UI design.