Design a modern and responsive web messaging interface inspired by v0 by Vercel. The interface should feature a clean, minimalist aesthetic with a focus on usability and clarity. It should include a header with a logo and dark mode toggle, a collapsible sidebar for navigation on the left, and a main chat area. The sidebar should contain user avatars, chat channels, and other navigation elements, and be responsive to screen size changes. The main chat area should have a clean layout for displaying messages, with a user-friendly input box at the bottom for typing new messages. Use a color palette that is soothing and professional, incorporating subtle shades and ensuring readability. The design should be suitable for both desktop and mobile devices, demonstrating fluid transitions and adaptable layouts for different screen sizes. | A shadcn/ui and v0 generation - v0
