I can see the project has a solid design system with semantic design tokens and shadcn/ui components available. Let me check the page.tsx to see what's already there, and then I'll build the command palette navbar component.

The project has the command component from cmdk already installed. Now I'll create a professional command palette navbar component with a centered search input and responsive design. I'll build this as a reusable component and then integrate it into a demo page.

Now I'll create a demo page that showcases the command palette navbar with full page content:

I've created a production-ready command palette navbar component with a centered search input. Here's what I've built:

Component Features

CommandPaletteNavbar (components/command-palette-navbar.tsx):

• Centered command palette search input as the visual focal point
• Keyboard shortcuts (⌘K/Ctrl+K) for quick access with automatic platform detection
• Responsive design: Full navbar on desktop, compact search icon + hamburger menu on mobile
• Customizable: Logo, nav items, and command palette items are fully configurable
• Polished interactions: Smooth transitions, hover states, focus rings, and backdrop blur
• Accessible: Semantic HTML, keyboard navigation, and proper ARIA labels
• Command grouping: Automatically groups commands by category

Demo Page (app/page.tsx):

• Showcases the navbar with working examples
• Includes feature cards, implementation details, and keyboard shortcuts guide
• Responsive layout that works perfectly on all screen sizes

The navbar uses your existing design tokens (colors, spacing, typography) and integrates seamlessly with shadcn/ui components. Try pressing ⌘K (Mac) or Ctrl+K (Windows/Linux) to open the command palette!