Enhance frontend styling and accessibility features

- Updated .dockerignore to exclude backup directory with root-only permissions from build context.
- Added new CSS variables for card radius and transition duration in app.css.
- Implemented consistent focus ring styles for interactive elements to improve accessibility.
- Refactored card components across various pages to utilize a unified card style, enhancing visual consistency.
- Improved button styles with touch manipulation support for better user interaction on mobile devices.

frontend-nuxt/pages/admin/maps/[id].vue

@@ -1,11 +1,11 @@
 <template>
-  <div class="container mx-auto p-4 max-w-lg">
+  <div class="container mx-auto p-4 max-w-2xl min-w-0">
     <h1 class="text-2xl font-bold mb-6">Edit map {{ id }}</h1>
 
     <form v-if="map" @submit.prevent="submit" class="flex flex-col gap-4">
       <fieldset class="fieldset">
         <label class="label" for="name">Name</label>
-        <input id="name" v-model="form.name" type="text" class="input" required />
+        <input id="name" v-model="form.name" type="text" class="input min-h-11 touch-manipulation" required />
       </fieldset>
       <fieldset class="fieldset">
         <label class="label cursor-pointer gap-2">
@@ -21,16 +21,16 @@
       </fieldset>
       <p v-if="error" class="text-error text-sm">{{ error }}</p>
       <div class="flex gap-2">
-        <button type="submit" class="btn btn-primary" :disabled="loading">
+        <button type="submit" class="btn btn-primary min-h-11 touch-manipulation" :disabled="loading">
           <span v-if="loading" class="loading loading-spinner loading-sm" />
           <span v-else>Save</span>
         </button>
-        <NuxtLink to="/admin" class="btn btn-ghost">Back</NuxtLink>
+        <NuxtLink to="/admin" class="btn btn-ghost min-h-11 touch-manipulation">Back</NuxtLink>
       </div>
     </form>
     <template v-else-if="mapsLoaded">
       <p class="text-base-content/70">Map not found.</p>
-      <NuxtLink to="/admin" class="btn btn-ghost mt-2">Back to Admin</NuxtLink>
+      <NuxtLink to="/admin" class="btn btn-ghost mt-2 min-h-11 touch-manipulation">Back to Admin</NuxtLink>
     </template>
     <p v-else class="text-base-content/70">Loading…</p>
   </div>