Developed a user authentication login page for the SE4CPS/PlantWaterSystem repository, focusing on both functionality and maintainable design. The work included building a responsive React component with TypeScript, supporting email/password and Google Sign-In to streamline onboarding and enhance security readiness. Addressed UI consistency by relocating CSS files and updating import paths, which reduced styling regressions and reinforced Sproutly branding across the interface. Demonstrated proficiency in frontend development, CSS styling, and module path management while laying a foundation for future authentication features. The approach emphasized maintainability and clear structure, resulting in a stable, visually consistent authentication flow for the application.