Refactor color scheme in member-related pages to use brand colors instead of CSS variables for consistency and improved readability

src/pages/admin/AdminDashboard.js

@@ -91,7 +91,7 @@ const AdminDashboard = () => {
 
         <Card className="p-6 bg-background rounded-2xl border border-[var(--neutral-800)]" data-testid="stat-pending-validations">
           <div className="flex items-center justify-between mb-4">
-            <div className="bg-orange-100 p-3 rounded-lg">
+            <div className=" p-3 rounded-lg">
               <Clock className="h-6 w-6 text-orange-600" />
             </div>
           </div>