refactor: Improve layout and responsiveness of Navbar and App components

- Update Navbar.vue to enhance spacing and responsiveness for logo and navigation items.
- Adjust App.vue to ensure consistent padding and layout for the header and navigation.
- Refine button sizes and text scaling for better usability across different screen sizes.

src/App.vue

@@ -31,8 +31,7 @@ onMounted(async () => {
       style="padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom)">
       <header
         class="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
-        <nav
-          class="w-full max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 xl:px-12 2xl:px-16 flex h-14 lg:h-16 xl:h-20 items-center justify-between">
+        <nav class="w-full max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 xl:px-12 2xl:px-16 flex h-14 lg:h-16 xl:h-20 items-center justify-between">
           <Navbar />
           <<<<<<< HEAD <ConnectionStatus :is-connected="isConnected" :is-connecting="isConnecting" :error="error" />
           =======