Prompt:

Act as a Senior Frontend Engineer and UI/UX Designer. Create a comprehensive, high-fidelity React application called "PepRX". The app is a SaaS platform for Peptide Therapy clinics and patients.

Tech Stack:

• React (Use Functional Components and Hooks)
• Tailwind CSS (for all styling)
• Lucide React (for icons)
• Recharts (for data visualization)
• Font: Inter (Google Fonts)

Global Aesthetic:

• Theme: Premium Medical / Health Tech.
• Palette: Slate-50/100 backgrounds, White cards, Slate-900 text. Primary accent color is Blue-600 to Indigo-600. Status colors: Emerald (Success), Amber (Warning/Pending).
• UI Elements: Large border-radii (rounded-2xl or rounded-xl), subtle shadows, clean borders (border-slate-200).
• Typography: Clean, readable, professional.

Application Structure:

The app must be a Single Page Application (SPA) that manages state to switch between three distinct views based on user selection:

1. Landing Page (Default view)
2. Patient App (Mobile-first simulation)
3. Clinic Dashboard (Desktop web app)

View 1: The Landing Page