Enhance frontend UI and functionality

- Added page transition effects in app.vue for smoother navigation.
- Updated nuxt.config.ts to include custom font styles and page transitions.
- Improved loading indicators in MapPageWrapper.vue and login.vue for better user experience.
- Enhanced MapView.vue with a collapsible control panel and improved styling.
- Introduced new icons for various components to enhance visual consistency.
- Updated Tailwind CSS configuration to extend font families and improve theme management.
- Refined layout styles in default.vue and admin pages for better responsiveness and aesthetics.
- Implemented error handling and loading states across various forms for improved user feedback.

frontend-nuxt/pages/login.vue

@@ -1,8 +1,9 @@
 <template>
-  <div class="min-h-screen flex flex-col items-center justify-center bg-base-200 p-4 overflow-hidden">
-    <div class="card w-full max-w-sm bg-base-100 shadow-xl">
+  <div class="min-h-screen flex flex-col items-center justify-center bg-gradient-to-br from-base-200 via-base-300 to-primary/10 p-4 overflow-hidden">
+    <div class="card w-full max-w-sm bg-base-100 shadow-2xl ring-1 ring-base-300 login-card">
       <div class="card-body">
-        <h1 class="card-title justify-center">Log in</h1>
+        <h1 class="card-title justify-center text-2xl">HnH Map</h1>
+        <p class="text-center text-base-content/70 text-sm">Log in to continue</p>
         <form @submit.prevent="submit" class="flex flex-col gap-4">
           <div class="form-control">
             <label class="label" for="user">User</label>
@@ -22,8 +23,9 @@
             autocomplete="current-password"
           />
           <p v-if="error" class="text-error text-sm">{{ error }}</p>
-          <button type="submit" class="btn btn-primary" :disabled="loading">
-            {{ loading ? '…' : 'Log in' }}
+          <button type="submit" class="btn btn-primary transition-all duration-200 hover:scale-[1.02]" :disabled="loading">
+            <span v-if="loading" class="loading loading-spinner loading-sm" />
+            <span v-else>Log in</span>
           </button>
         </form>
       </div>