System Requirements Document for smile

1. Introduction

The project "smile" aims to create a user-centric web service that provides free virtual phone numbers while capturing a picture of the users in the background. The service is designed to be playful and engaging, aligning with the creative direction inspired by Pablo Stanley. The primary audience for this service is individuals seeking a virtual phone number with an added interactive experience.

2. System Overview

The "smile" website offers users a free virtual phone number and captures their picture in the background during the process. The system requires users to enroll and verify their identity to access and manage their virtual phone numbers. The website is designed with a playful and warm aesthetic, incorporating illustrations and friendly design elements.

2a. Product Interpretation and Delivery Boundary

The "smile" website is a web-based service that provides free virtual phone numbers with a playful photo capture feature. Users must self-enroll to receive a virtual phone number and complete the picture capture. Returning users must verify their identity to access their assigned number and associated experience. The service is delivered through a custom UI, with application-owned identity management to ensure continuity and security.

2b. Source Content Inventory

Not applicable as there is no explicit content_source directive.

2c. Page Content and Component Coverage

Landing

• Information/State: Introduction to the service, highlighting the free virtual phone number and photo capture feature.
• Primary Actions: Navigate to Sign Up or Login.
• Components: Oversized headline, friendly illustration, primary call-to-action buttons.
• States: Loading, success, error, and recovery states for page load.

Sign Up

• Information/State: User enrollment form for creating an account.
• Primary Actions: Submit enrollment details.
• Components: Form fields for user information, pill buttons for submission.
• States: Form validation errors, success confirmation, and recovery options.

Login

• Information/State: User login form for returning users.
• Primary Actions: Submit login credentials.
• Components: Form fields for username and password, pill buttons for submission.
• States: Authentication errors, success confirmation, and recovery options.

Phone Number

• Information/State: Display of the assigned virtual phone number.
• Primary Actions: Manage virtual phone number settings.
• Components: Phone number display, management options, pill buttons for actions.
• States: Loading, success, error, and recovery states for number management.

Photo Capture

• Information/State: Interface for capturing the user's picture.
• Primary Actions: Capture photo, retake photo.
• Components: Camera interface, capture button, retake option.
• States: Capture success, retake option, error handling, and recovery.

3. Functional Requirements

• As a Virtual Number User, I should be able to receive a free virtual phone number upon successful enrollment. (Provenance: explicit)
• As a Virtual Number User, I should have my picture taken in the background during the virtual-number experience. (Provenance: explicit)
• As a Virtual Number User, I must self-enroll before receiving a durable application-linked virtual number and completing the picture capture. (Provenance: required_inference)
• As a Virtual Number User, I must complete returning verification to resume access to my assigned number and associated experience. (Provenance: required_inference)

4. User Personas

Virtual Number User

• Product Context: Individuals seeking a free virtual phone number with an engaging photo capture experience.
• Primary Goal: Obtain a virtual phone number and participate in the playful photo capture feature.
• Distinct Responsibilities: Enroll in the service, manage their virtual phone number, and engage with the photo capture process.
• Relevant Inputs/Decisions: Provide personal information for enrollment, verify identity for returning access.
• Interactions with Other Participants: None, as the service is user-centric.
• Observable Success: Successfully receiving a virtual phone number and having their picture captured.

5. Core User Flows

5.1 Enrollment and Virtual Number Assignment

1. Starting Context: User lands on the "Landing" page.
2. Action: User clicks on "Sign Up" to enroll.
3. Page: "Sign Up"
   • User fills out enrollment form and submits.
4. Observable Result: User receives confirmation of successful enrollment.
5. Next Step: User is directed to the "Phone Number" page.

5.2 Accessing Virtual Phone Number

1. Starting Context: User is on the "Phone Number" page after enrollment.
2. Action: User views their assigned virtual phone number.
3. Observable Result: Virtual phone number is displayed.
4. Next Step: User can manage settings or proceed to photo capture.

5.3 Photo Capture Experience

1. Starting Context: User navigates to the "Photo Capture" page.
2. Action: User initiates the photo capture process.
3. Observable Result: User's picture is captured in the background.
4. Next Step: User can retake the photo or complete the process.

5.4 Returning User Verification

1. Starting Context: Returning user lands on the "Login" page.
2. Action: User submits login credentials.
3. Observable Result: User is authenticated and directed to the "Phone Number" page.
4. Next Step: User can access their virtual phone number and engage with the photo capture feature.

6. Visuals Colors and Theme

• Muse: Pablo Stanley
• Palette:
  • Background: #FFFAF0
  • Surface: #FFFFFF
  • Text: #333333
  • Primary: #FF6363
  • Accent: #FFD700
  • Muted: #E0E0E0
• Typography:
  • Headings: Nunito — Bold, large size, generous tracking, sentence case
  • Body: DM Sans
  • Scale: 1.25 modular, 48/36/24/18/16
• Shape Language: Rounded shapes, pill buttons, blob and sticker-like elements
• Layout: Generous whitespace, offset cards, playful elements
• Motion: Springy micro-interactions, playful hover states
• Motion Tempo: Expressive
• Hero Dimensionality: Layered_2d

7. Signature Design Concept

An oversized headline spans the viewport on a cream background, supported by a friendly illustration of a phone with animated elements. Primary accents highlight the call to action. The design incorporates blob and sticker shapes around key sections, emphasizing actions with pill buttons featuring soft shadows and bold colors.

8. Interaction Model & Motion Direction

• Interaction Model: Animated
• Motion Tempo: Expressive
• Hero Dimensionality: Layered_2d
• Landing Hero Motion Brief: The landing page features an oversized headline with a playful illustration of a phone. On hover, illustrations of modular vector people wave or nod, creating an engaging and interactive experience. The first frame presents a warm cream background with red and gold accents, transitioning smoothly to highlight the call to action. A reduced-motion state is available for accessibility.

9. Non-Functional Requirements

• The website must be responsive and accessible across various devices and screen sizes. (Provenance: required_inference)
• The system must ensure user data privacy and secure handling of personal information. (Provenance: required_inference)

10. Tech Stack

• Frontend: React
• Backend: Python/FastAPI
• Storage: Appropriate storage solution for user data and images
• Deployment: Docker/docker-compose, Kubernetes if necessary

11. Assumptions and Constraints

• The virtual phone number service is free for users.
• The website is the primary platform for delivering the service.
• Users must enroll and verify their identity to access the service.

12. Glossary

• Virtual Phone Number: A phone number provided to users without the need for a physical SIM card.
• Photo Capture: The process of taking a picture of the user in the background during the virtual-number experience.
• Enrollment: The process of signing up for the service to receive a virtual phone number.
• Returning Verification: The process of logging in to access the virtual phone number and associated features.