Enhance layout and component styles for improved responsiveness and user experience (#73)

- Updated header styles in layout.tsx for better visual consistency and added safe area insets.
- Adjusted main content padding in app.tsx to accommodate dynamic top strip height.
- Modified avatar-panel.tsx to change alignment of items for better layout.
- Enhanced intake-form.tsx with additional padding for improved form usability.
- Updated session-view.tsx to allow for better overflow handling in the component structure.