E-commerce Blazor Dynamic Theme

I’m building an e-commerce site with Blazor and I need a clean, reusable template that lets me shift the entire look and feel on the fly. Your job is to create a Blazor component library or starter project... (Budget: ₹500 - ₹1500 INR, Jobs: .NET, .NET Core, Blazor, CSS, HTML, JavaScript, PHP, Web Development)