What problem does it solve? Product owners and reviewers often lack a consistent, objective standard for judging whether a screen, flow, or design is ready for development or release, leading to subjective feedback and missed usability or accessibility issues. ## Core Features & Use Cases - Twelve UX Principles: Covers user goals, system status visibility, error prevention, consistency, cognitive load, accessibility, responsive design, and performance as review criteria. - Screen Acceptance Checklist: Defines concrete conditions a screen must satisfy before being accepted, including states, validation, navigation, and accessibility basics. - Structured Review Output: Produces a standardized UX/UI review report with verdict, critical issues, accessibility checks, responsive checks, and a final routing decision. - Use Case: When reviewing a Figma design or an AI-generated dashboard, apply this guideline to produce a verdict of Accepted, Accepted with minor fixes, or Rejected, with actionable fixes for the developer or designer agent. ## Quick Start Review this checkout form design against the UX/UI guidelines and return a structured verdict with critical issues and accessibility checks.