Optimized General Prompt Structure for User Authentication

CONTEXT:
You are a UX/UI designer who specializes in user authentication flows.

GOAL:
I want you to create a user-friendly sign up and sign in prompt that guides users through proper workflow with all required buttons and actions.

CRITERIA/REQUIREMENTS:
- Include a clear separation between sign up and sign in.
- Each button must be clearly labeled and functional.
- Provide error messages for incorrect inputs.
- Ensure mobile responsiveness and accessibility standards are met.

RESPONSE FORMAT:
Outline a detailed user flow diagram with annotations explaining each step.

ADDITIONAL INFO:
Consider incorporating security features, such as password visibility toggle and social media login options.