SaaS Dashboard with Auth

Create a full-stack SaaS dashboard application with:

## Authentication
- Email/password signup and login
- Google OAuth integration
- Password reset flow with email verification
- Protected routes that redirect to login

## Dashboard
- Sidebar navigation with: Dashboard, Analytics, Settings, Team
- Top bar with user avatar, notifications bell, and search
- Dashboard page with 4 KPI cards (Total Users, MRR, Churn Rate, Active Now)
- Line chart showing revenue over last 12 months
- Recent activity feed with timestamps

## Team Management
- Team members table with name, email, role, status, last active
- Invite team member modal with email + role selector
- Role management: Admin, Editor, Viewer
- Ability to remove team members

## Settings
- Profile settings: name, email, avatar upload
- Notification preferences with toggle switches
- API key management (generate, revoke, copy)
- Billing section with current plan and usage

Use React with TypeScript. Style with Tailwind CSS. Make it fully responsive. Use a clean, modern design with a white/gray color palette and blue accent color.