Replace ClientLayout with inline providers in layout.tsx

src/app/layout.tsx

@@ -1,6 +1,8 @@
 import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
-import ClientLayout from "@/components/ClientLayout";
+import { ThemeProvider } from 'next-themes';
+import { AuthProvider } from '@/context/AuthContext';
+import { Toaster } from 'react-hot-toast';
 import "./globals.css";
 
 const geistSans = Geist({
@@ -55,9 +57,22 @@ export default function RootLayout({
       <body
         className={`${geistSans.variable} ${geistMono.variable} antialiased`}
       >
-        <ClientLayout>
-          {children}
-        </ClientLayout>
+        <ThemeProvider attribute="class" defaultTheme="dark">
+          <AuthProvider>
+            {children}
+            <Toaster
+              position="top-right"
+              toastOptions={{
+                duration: 4000,
+                style: {
+                  background: '#1f2937',
+                  color: '#fff',
+                  border: '1px solid #374151',
+                },
+              }}
+            />
+          </AuthProvider>
+        </ThemeProvider>
       </body>
     </html>
   );