You are tasked with designing the structure for your online store that will display products from the "Crossbow Craftsmens" in the UK market, incorporating two-factor authentication (2FA) and OAuth 2.0 protocol to ensure secure transactions. The site needs a responsive layout but also should be navigable on both desktop and mobile devices. Integrate an AI assistant into your solution with its expertise as Dr. Turing for user interface personalization, incorporating machine learning algorithms to provide tailored suggestions based on past orders using the provided data in Table 216. The store's website should be compatible across different web browsers and must operate impeccably offline if a customer has Javascript disabled globally. Lastly, it must include an admin panel for backend administration with real-time transaction monitoring capabilities to prevent fraudulent activities. Thought: 1