style: refine admin dashboard and project management UI with cohesive color palette and improved readability

- Update background colors and text styles for better contrast and legibility.
- Enhance button styles and hover effects for a more modern look.
- Remove unnecessary scaling effects and adjust border styles for consistency.
- Introduce a cohesive design language across components to improve user experience.

components/ModernAdminDashboard.tsx

@@ -343,7 +343,7 @@ const ModernAdminDashboard: React.FC<ModernAdminDashboardProps> = ({ isAuthentic
                           <Activity size={20} className="text-stone-400" />
                         </div>
                         <p className="text-xl md:text-2xl font-bold text-stone-900">{stats.totalViews.toLocaleString()}</p>
-                        <p className="text-blue-600 text-xs font-medium">{stats.totalUsers} users</p>
+                        <p className="text-stone-600 text-xs font-medium">{stats.totalUsers} users</p>
                       </div>
                     </div>