Remove unused CSS utility classes and redundant theme variables

Cleans up unused Tailwind CSS classes, DaisyUI components, and theme variables from `static/css/app.css`. Also removes an unnecessary margin class in `field.html` for cleaner templates.

controlpanel/templates/templatetags/field.html

@@ -3,7 +3,7 @@
 <div class="w-full max-w-6xl {% if size_modifier %}lg:w-fit{% endif %}">
     <div class="flex flex-col gap-y-2">
         {% if show_label %}
-            <div class="flex flex-row items-end min-h-6 mb-1">
+            <div class="flex flex-row items-end min-h-6">
                 <div class="ml-1 grow text-sm font-semibold {% if field.errors %}text-error{% else %}text-base-content{% endif %}">
                     {{ field.label }}
                 </div>