Add AdminLTE-style CSS framework to app.css

- Introduced AdminLTE CSS variables for color palette, body colors, card styles, and button styles.
- Implemented card components with variants for primary, success, warning, danger, and info.
- Added button styles including sizes and outline variants.
- Created form controls, select inputs, and input groups with consistent styling.
- Included utility classes for text and background colors, gradients, and shadows.
- Developed components for badges, alerts, callouts, progress bars, tables, small boxes, and info boxes.
- Integrated modal, dropdown, spinner, tooltip, and direct chat styles.
- Established timeline and close button styles, with dark mode support for specific components.

extensions/Servers/Proxmox/views/components/ui/action-toolbar.blade.php

@@ -1,5 +1,5 @@
 {{--
-    Action Toolbar Component - TailAdmin style
+    Action Toolbar Component - AdminLTE style
     For VM control buttons (Start, Stop, Restart, etc.)
     
     Usage:
@@ -16,10 +16,20 @@
     'centered' => false,
 ])
 
+<style>
+    .action-toolbar-lte {
+        display: flex;
+        flex-wrap: wrap;
+        gap: 0.75rem;
+    }
+    .action-toolbar-lte-centered {
+        justify-content: center;
+    }
+</style>
+
 <div {{ $attributes->class([
-    'flex flex-wrap gap-3',
-    'justify-center' => $centered,
-    'justify-start' => !$centered,
+    'action-toolbar-lte',
+    'action-toolbar-lte-centered' => $centered,
 ]) }}>
     {{ $slot }}
 </div>