React Portal Implementation

I need to implement React Portals for overlay components.

**Components Needed:**
- Modal: [yes/no]
- Tooltip: [yes/no]
- Dropdown: [yes/no]
- Toast: [yes/no]
- Other: [describe]

**Requirements:**
- Keyboard navigation: [requirements]
- Focus trapping: [for modals]
- Click outside handling: [behavior]
- Animation: [entrance/exit animations]

**Framework:**
- CSS solution: [Tailwind/styled/CSS modules]
- Animation library: [Framer Motion/none/other]

**TypeScript:** [yes/no]

Please provide:
1. Portal wrapper component
2. Modal implementation with focus trap
3. Tooltip with positioning
4. Dropdown menu component
5. Toast notification system
6. Accessibility features
7. Animation integration