diff --git a/client/src/App.jsx b/client/src/App.jsx
index f67355a..ed66208 100644
--- a/client/src/App.jsx
+++ b/client/src/App.jsx
@@ -1,35 +1,52 @@
-import { useState } from 'react'
-import reactLogo from './assets/react.svg'
-import viteLogo from '/vite.svg'
-import './App.css'
+// src/App.jsx
+import { BrowserRouter as Router, Routes, Route, Navigate } from 'react-router-dom';
+import { AuthProvider, useAuth } from './contexts/AuthContext';
+import Login from './components/Login';
+import Dashboard from './components/Dashboard';
+import Editor from './components/Editor';
 
-function App() {
-  const [count, setCount] = useState(0)
-
-  return (
-    <>
-      <div>
-        <a href="https://vite.dev" target="_blank">
-          <img src={viteLogo} className="logo" alt="Vite logo" />
-        </a>
-        <a href="https://react.dev" target="_blank">
-          <img src={reactLogo} className="logo react" alt="React logo" />
-        </a>
-      </div>
-      <h1>Vite + React</h1>
-      <div className="card">
-        <button onClick={() => setCount((count) => count + 1)}>
-          count is {count}
-        </button>
-        <p>
-          Edit <code>src/App.jsx</code> and save to test HMR
-        </p>
-      </div>
-      <p className="read-the-docs">
-        Click on the Vite and React logos to learn more
-      </p>
-    </>
-  )
+function PrivateRoute({ children }) {
+  const { isAuthenticated } = useAuth();
+  return isAuthenticated ? children : <Navigate to="/login" />;
 }
 
-export default App
+function App() {
+  return (
+    <AuthProvider>
+      <Router>
+        <div className="container">
+          <Routes>
+            <Route path="/login" element={<Login />} />
+            <Route 
+              path="/dashboard" 
+              element={
+                <PrivateRoute>
+                  <Dashboard />
+                </PrivateRoute>
+              } 
+            />
+            <Route 
+              path="/new" 
+              element={
+                <PrivateRoute>
+                  <Editor />
+                </PrivateRoute>
+              } 
+            />
+            <Route 
+              path="/edit/:id" 
+              element={
+                <PrivateRoute>
+                  <Editor />
+                </PrivateRoute>
+              } 
+            />
+            <Route path="/" element={<Navigate to="/dashboard" />} />
+          </Routes>
+        </div>
+      </Router>
+    </AuthProvider>
+  );
+}
+
+export default App;
\ No newline at end of file
diff --git a/client/src/components/Login.jsx b/client/src/components/Login.jsx
new file mode 100644
index 0000000..69c0cb4
--- /dev/null
+++ b/client/src/components/Login.jsx
@@ -0,0 +1,52 @@
+// src/components/Login.jsx
+import { useState } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { useAuth } from '../contexts/AuthContext';
+
+export default function Login() {
+  const [username, setUsername] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+  const { login } = useAuth();
+  const navigate = useNavigate();
+
+  const handleSubmit = async (e) => {
+    e.preventDefault();
+    setError('');
+    
+    const success = await login(username, password);
+    if (success) {
+      navigate('/dashboard');
+    } else {
+      setError('Invalid credentials');
+    }
+  };
+
+  return (
+    <div className="login-container">
+      <form onSubmit={handleSubmit} className="login-form">
+        <h2>Login</h2>
+        {error && <div className="error">{error}</div>}
+        <div className="form-group">
+          <label>Username</label>
+          <input
+            type="text"
+            value={username}
+            onChange={(e) => setUsername(e.target.value)}
+            required
+          />
+        </div>
+        <div className="form-group">
+          <label>Password</label>
+          <input
+            type="password"
+            value={password}
+            onChange={(e) => setPassword(e.target.value)}
+            required
+          />
+        </div>
+        <button type="submit" className="button">Login</button>
+      </form>
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/client/src/contexts/AuthContext.jsx b/client/src/contexts/AuthContext.jsx
new file mode 100644
index 0000000..45617e5
--- /dev/null
+++ b/client/src/contexts/AuthContext.jsx
@@ -0,0 +1,46 @@
+// src/contexts/AuthContext.jsx
+import { createContext, useContext, useState, useEffect } from 'react';
+import axios from 'axios';
+
+const AuthContext = createContext();
+
+export function AuthProvider({ children }) {
+  const [isAuthenticated, setIsAuthenticated] = useState(false);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    const token = localStorage.getItem('token');
+    setIsAuthenticated(!!token);
+    setIsLoading(false);
+  }, []);
+
+  const login = async (username, password) => {
+    try {
+      const response = await axios.post(`${import.meta.env.VITE_API_URL}/api/auth/login`, {
+        username,
+        password
+      });
+      localStorage.setItem('token', response.data.token);
+      setIsAuthenticated(true);
+      return true;
+    } catch (error) {
+      console.error('Login error:', error);
+      return false;
+    }
+  };
+
+  const logout = () => {
+    localStorage.removeItem('token');
+    setIsAuthenticated(false);
+  };
+
+  return (
+    <AuthContext.Provider value={{ isAuthenticated, isLoading, login, logout }}>
+      {!isLoading && children}
+    </AuthContext.Provider>
+  );
+}
+
+export function useAuth() {
+  return useContext(AuthContext);
+}
\ No newline at end of file
diff --git a/client/src/main.jsx b/client/src/main.jsx
index b9a1a6d..dca82ab 100644
--- a/client/src/main.jsx
+++ b/client/src/main.jsx
@@ -1,10 +1,11 @@
-import { StrictMode } from 'react'
-import { createRoot } from 'react-dom/client'
-import './index.css'
+// src/main.jsx
+import React from 'react'
+import ReactDOM from 'react-dom/client'
 import App from './App.jsx'
+import './styles/main.scss'
 
-createRoot(document.getElementById('root')).render(
-  <StrictMode>
+ReactDOM.createRoot(document.getElementById('root')).render(
+  <React.StrictMode>
     <App />
-  </StrictMode>,
-)
+  </React.StrictMode>,
+)
\ No newline at end of file
diff --git a/client/src/styles/main.scss b/client/src/styles/main.scss
new file mode 100644
index 0000000..8919b99
--- /dev/null
+++ b/client/src/styles/main.scss
@@ -0,0 +1,92 @@
+// src/styles/main.scss
+$primary-color: #2c3e50;
+$secondary-color: #3498db;
+$background-color: #f5f6fa;
+$text-color: #2c3e50;
+$border-color: #dcdde1;
+$error-color: #e74c3c;
+
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+  background-color: $background-color;
+  color: $text-color;
+  line-height: 1.5;
+}
+
+.container {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 20px;
+}
+
+.login-container {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 100vh;
+  padding: 20px;
+}
+
+.login-form {
+  background: white;
+  padding: 30px;
+  border-radius: 8px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+  width: 100%;
+  max-width: 400px;
+
+  h2 {
+    margin: 0 0 20px;
+    color: $primary-color;
+    text-align: center;
+  }
+
+  .error {
+    background: lighten($error-color, 35%);
+    color: $error-color;
+    padding: 10px;
+    border-radius: 4px;
+    margin-bottom: 20px;
+    text-align: center;
+  }
+}
+
+.form-group {
+  margin-bottom: 20px;
+
+  label {
+    display: block;
+    margin-bottom: 5px;
+    color: $primary-color;
+  }
+
+  input {
+    width: 100%;
+    padding: 8px;
+    border: 1px solid $border-color;
+    border-radius: 4px;
+    font-size: 16px;
+
+    &:focus {
+      outline: none;
+      border-color: $secondary-color;
+    }
+  }
+}
+
+.button {
+  width: 100%;
+  padding: 10px;
+  background: $primary-color;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  font-size: 16px;
+  cursor: pointer;
+  transition: background-color 0.2s;
+
+  &:hover {
+    background: darken($primary-color, 10%);
+  }
+}
\ No newline at end of file