added theme switch

src/App.tsx

@@ -1,22 +1,22 @@
 import Navbar from "./components/Navbar";
 import Footer from "./components/Footer";
-import ScrollProgressBar from './components/ScrollProgressBar';
+import ScrollProgressBar from "./components/ScrollProgressBar";
 import { Toaster } from "react-hot-toast";
-
 import Router from "./Routes/Router";
+import ThemeWrapper from "./ThemeContext"; // ✅ import your wrapper
 
 function App() {
   return (
-
+    <ThemeWrapper>
       <div className="relative flex flex-col min-h-screen">
-        <ScrollProgressBar/>
+        <ScrollProgressBar />
 
         {/* Navbar */}
         <Navbar />
 
         {/* Main content */}
-        <main className="flex-grow bg-gray-50 flex justify-center items-center">
-          <Router/>
+        <main className="flex-grow bg-gray-50 dark:bg-gray-900 flex justify-center items-center">
+          <Router />
         </main>
 
         {/* Footer */}
@@ -27,24 +27,21 @@ function App() {
           reverseOrder={false}
           gutter={8}
           containerClassName="mt-12"
-          containerStyle={{}}
           toastOptions={{
-            className: 'bg-white',
+            className: "bg-white dark:bg-gray-800 text-black dark:text-white",
             duration: 5000,
-            //removeDelay: 1000,
-
             success: {
               duration: 3000,
               iconTheme: {
-                primary: 'green',
-                secondary: 'white',
+                primary: "green",
+                secondary: "white",
               },
             },
           }}
         />
       </div>
-
+    </ThemeWrapper>
   );
 }
 
-export default App;
+export default App;

src/Routes/Login/Login.tsx

@@ -0,0 +1,149 @@
+import React, { useState, ChangeEvent, FormEvent, useContext } from "react";
+import axios from "axios";
+import { useNavigate } from "react-router-dom";
+import { ThemeContext } from "../../ThemeContext";
+import type { ThemeContextType } from "../../ThemeContext";
+
+const backendUrl = import.meta.env.VITE_BACKEND_URL;
+
+interface LoginFormData {
+  email: string;
+  password: string;
+}
+
+const Login: React.FC = () => {
+  const [formData, setFormData] = useState<LoginFormData>({ email: "", password: "" });
+  const [message, setMessage] = useState<string>("");
+  const [isLoading, setIsLoading] = useState<boolean>(false);
+
+  const navigate = useNavigate();
+  const themeContext = useContext(ThemeContext) as ThemeContextType;
+  const { mode } = themeContext;
+
+  const handleChange = (e: ChangeEvent<HTMLInputElement>) => {
+    const { name, value } = e.target;
+    setFormData({ ...formData, [name]: value });
+  };
+
+  const handleSubmit = async (e: FormEvent) => {
+    e.preventDefault();
+    setIsLoading(true);
+
+    try {
+      const response = await axios.post(`${backendUrl}/api/auth/login`, formData);
+      setMessage(response.data.message);
+
+      if (response.data.message === "Login successful") {
+        navigate("/home");
+      }
+    } catch (error: any) {
+      setMessage(error.response?.data?.message || "Something went wrong");
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <div
+      className={`min-h-screen w-full flex items-center justify-center relative overflow-hidden ${
+        mode === "dark"
+          ? "bg-gradient-to-br from-slate-900 via-purple-900 to-slate-900"
+          : "bg-gradient-to-br from-slate-100 via-purple-100 to-slate-100"
+      }`}
+    >
+      {/* Background blobs */}
+      <div className="absolute inset-0 pointer-events-none">
+        <div className={`absolute -top-40 -right-40 w-96 h-96 ${mode === "dark" ? "bg-purple-500" : "bg-purple-300"} rounded-full blur-3xl opacity-30 animate-pulse`} />
+        <div className={`absolute -bottom-40 -left-40 w-96 h-96 ${mode === "dark" ? "bg-blue-500" : "bg-blue-300"} rounded-full blur-3xl opacity-30 animate-pulse`} />
+        <div className={`absolute top-40 left-40 w-96 h-96 ${mode === "dark" ? "bg-pink-500" : "bg-pink-300"} rounded-full blur-3xl opacity-30 animate-pulse`} />
+      </div>
+
+      {/* Login Card */}
+      <div className="relative w-full max-w-md px-6">
+        <div className="text-center mb-10">
+          <div className={`inline-flex items-center justify-center w-20 h-20 bg-white rounded-3xl mb-6 shadow-2xl overflow-hidden`}>
+            <img src="/crl-icon.png" alt="Logo" className="w-14 h-14 object-contain" />
+          </div>
+          <h1 className={`text-4xl font-bold bg-clip-text text-transparent mb-2 ${
+            mode === "dark" ? "bg-gradient-to-r from-purple-300 via-pink-300 to-indigo-300" : "bg-gradient-to-r from-purple-600 via-pink-600 to-indigo-600"
+          }`}>
+            GitHubTracker
+          </h1>
+          <p className={`${mode === "dark" ? "text-slate-300" : "text-gray-700"} text-lg font-medium`}>Track your GitHub journey</p>
+        </div>
+
+        {/* Form */}
+        <div className={`rounded-3xl p-10 shadow-2xl border ${
+          mode === "dark" ? "bg-white/10 backdrop-blur-xl border-white/20 text-white" : "bg-white border-gray-200 text-black"
+        }`}>
+          <h2 className={`text-2xl font-bold text-center mb-8 ${mode === "dark" ? "text-white" : "text-gray-800"}`}>Welcome Back</h2>
+
+          <form onSubmit={handleSubmit} className="space-y-6">
+            <input
+              type="email"
+              name="email"
+              placeholder="Enter your email"
+              value={formData.email}
+              onChange={handleChange}
+              autoComplete="username"
+              required
+              className={`w-full px-4 py-4 rounded-2xl focus:outline-none transition-all ${
+                mode === "dark"
+                  ? "bg-white/5 border border-white/10 text-white placeholder-slate-400 focus:ring-2 focus:ring-purple-500"
+                  : "bg-gray-100 border border-gray-300 text-gray-900 placeholder-gray-500 focus:ring-2 focus:ring-purple-400"
+              }`}
+            />
+
+            <input
+              type="password"
+              name="password"
+              autoComplete="current-password"
+              placeholder="Enter your password"
+              value={formData.password}
+              onChange={handleChange}
+              required
+              className={`w-full px-4 py-4 rounded-2xl focus:outline-none transition-all ${
+                mode === "dark"
+                  ? "bg-white/5 border border-white/10 text-white placeholder-slate-400 focus:ring-2 focus:ring-purple-500"
+                  : "bg-gray-100 border border-gray-300 text-gray-900 placeholder-gray-500 focus:ring-2 focus:ring-purple-400"
+              }`}
+            />
+
+            <button
+              type="submit"
+              disabled={isLoading}
+              className="w-full bg-gradient-to-r from-purple-600 via-pink-600 to-indigo-600 text-white py-4 px-6 rounded-2xl font-semibold focus:ring-4 focus:ring-purple-500/50 transition-all duration-300 disabled:opacity-50 disabled:cursor-not-allowed"
+            >
+              {isLoading ? "Signing in..." : "Sign In"}
+            </button>
+          </form>
+
+          {message && (
+            <div className={`mt-6 p-4 rounded-2xl text-center text-sm font-medium ${
+              message === "Login successful"
+                ? "bg-green-500/20 text-green-300 border border-green-500/30"
+                : "bg-red-500/20 text-red-300 border border-red-500/30"
+            }`}>
+              {message}
+            </div>
+          )}
+        </div>
+
+        {/* Footer Text */}
+        <div className="text-center mt-8 pb-8">
+          <p className={`${mode === "dark" ? "text-slate-500" : "text-gray-600"} text-sm`}>
+            Don't have an account?
+            <a href="#" className="ml-1 text-purple-400 hover:text-purple-300 transition-colors duration-300">
+              Sign up here
+            </a>
+          </p>
+        </div>
+      </div>
+
+      {/* Lower gradient */}
+      <div className={`${mode === "dark" ? "from-slate-900" : "from-slate-100"} absolute bottom-0 left-0 w-full h-20 bg-gradient-to-t to-transparent`} />
+    </div>
+  );
+};
+
+export default Login;

src/Routes/Router.tsx

@@ -1,27 +1,26 @@
-import { Navigate, Route, Routes } from "react-router-dom";
+import { Navigate, Route, Routes } from "react-router-dom"
+import Home from "../pages/Home/Home"
+import About from "../pages/About/About"
+import Contact from "../pages/Contact/Contact"
+import Contributors from "../pages/Contributors/Contributors"
+import Signup from "../pages/Signup/Signup.tsx"
+import Login from "../pages/Login/Login.tsx"
+import UserProfile from "../pages/UserProfile/UserProfile.tsx"
+
 
-import Home from "../pages/Home/Home"; // Import the Home component
-import About from "../pages/About/About"; // Import the About component
-import Contact from "../pages/Contact/Contact"; // Import the Contact component
-import Contributors from "../pages/Contributors/Contributors";
-import Signup from "../pages/Signup/Signup.tsx";
-import Login from "../pages/Login/Login.tsx";
-import UserProfile from "../pages/UserProfile/UserProfile.tsx";
 
 const Router = () => {
   return (
     <Routes>
       {/* Redirect from root (/) to the home page */}
       <Route path="/signup" element={<Signup />} />
       <Route path="/login" element={<Login />} />
-      <Route path="/" element={<Navigate to="/home" replace />} />
+      <Route path="/" element={<Home />} />
       <Route path="/about" element={<About />} />
       <Route path="/contact" element={<Contact />} />
-      <Route path="/home" element={<Home />} />
       <Route path="/contributors" element={<Contributors />} />
       <Route path="/user/:username" element={<UserProfile />} />
     </Routes>
   );
-};
-
+  };
 export default Router;

src/ThemeContext.tsx

@@ -0,0 +1,39 @@
+// src/ThemeContext.tsx
+import React, { createContext, useMemo, useState, useEffect, ReactNode } from 'react';
+import { createTheme, ThemeProvider, Theme } from '@mui/material/styles';
+
+interface ThemeContextType {
+  mode: 'light' | 'dark';
+  toggleTheme: () => void;
+}
+
+export const ThemeContext = createContext<ThemeContextType | null>(null);
+
+const ThemeWrapper = ({ children }: { children: ReactNode }) => {
+  const [mode, setMode] = useState<'light' | 'dark'>('light');
+
+  useEffect(() => {
+    if (mode === 'dark') {
+      document.documentElement.classList.add('dark');
+    } else {
+      document.documentElement.classList.remove('dark');
+    }
+  }, [mode]);
+
+  const toggleTheme = () => {
+    setMode(prev => (prev === 'light' ? 'dark' : 'light'));
+  };
+
+  const muiTheme: Theme = useMemo(() => createTheme({ palette: { mode } }), [mode]);
+
+  return (
+    <ThemeContext.Provider value={{ mode, toggleTheme }}>
+      <ThemeProvider theme={muiTheme}>
+        {children}
+      </ThemeProvider>
+    </ThemeContext.Provider>
+  );
+};
+
+export default ThemeWrapper;
+export type { ThemeContextType };

src/components/Navbar.tsx

@@ -1,25 +1,30 @@
-import { Link } from 'react-router-dom';
-import { useState } from 'react';
+import { Link } from "react-router-dom";
+import { useState, useContext } from "react";
+import { ThemeContext } from "../ThemeContext";
 
 const Navbar: React.FC = () => {
   const [isOpen, setIsOpen] = useState<boolean>(false);
+  const themeContext = useContext(ThemeContext);
+  if (!themeContext) return null;
+
+  const { toggleTheme, mode } = themeContext;
 
   return (
-    <nav className="bg-gray-800 text-white shadow-lg">
+    <nav className="bg-white text-black dark:bg-gray-800 dark:text-white shadow-lg">
       <div className="container mx-auto px-6 py-4 flex justify-between items-center">
         {/* Logo Section */}
-       <Link
-  to="/"
-  className="text-2xl font-bold hover:text-gray-300 cursor-pointer flex items-center"
->
-  <img src="/crl-icon.png" alt="CRL Icon" className="h-8 mr-2" />
-  GitHub Tracker
-</Link>
+        <Link
+          to="/"
+          className="text-2xl font-bold hover:text-gray-300 cursor-pointer flex items-center"
+        >
+          <img src="/crl-icon.png" alt="CRL Icon" className="h-8 mr-2" />
+          GitHub Tracker
+        </Link>
 
         {/* Desktop Links */}
         <div className="hidden md:flex space-x-6">
           <Link
-            to="/home"
+            to="/"
             className="text-lg font-medium hover:text-gray-300 transition-all px-2 py-1 border border-transparent hover:border-gray-400 rounded"
           >
             Home
@@ -45,7 +50,15 @@ const Navbar: React.FC = () => {
           <Link
             to="/login"
             className="text-lg font-medium hover:text-gray-300 transition-all px-2 py-1 border border-transparent hover:border-gray-400 rounded"
-          >Login</Link>
+          >
+            Login
+          </Link>
+          <button
+            onClick={toggleTheme}
+            className="text-sm font-semibold px-3 py-1 rounded border border-gray-500 hover:text-gray-300 hover:border-gray-300 transition duration-200"
+          >
+            {mode === "dark" ? "🌞 Light" : "🌙 Dark"}
+          </button>
         </div>
 
         {/* Mobile Menu Button */}
@@ -105,6 +118,22 @@ const Navbar: React.FC = () => {
             >
               Contributors
             </Link>
+            <Link
+              to="/login"
+              className="block text-lg font-medium hover:text-gray-300 transition-all px-2 py-1 border border-transparent hover:border-gray-400 rounded"
+              onClick={() => setIsOpen(false)}
+            >
+              Login
+            </Link>
+            <button
+              onClick={() => {
+                toggleTheme();
+                setIsOpen(false);
+              }}
+              className="text-sm font-semibold px-3 py-1 rounded border border-gray-500 hover:text-gray-300 hover:border-gray-300 transition duration-200 w-full text-left"
+            >
+              {mode === "dark" ? "🌞 Light" : "🌙 Dark"}
+            </button>
           </div>
         </div>
       )}