diff --git a/ui/src/App.jsx b/ui/src/App.jsx
index 5103693..3c6a75d 100644
--- a/ui/src/App.jsx
+++ b/ui/src/App.jsx
@@ -1,18 +1,106 @@
-import React from 'react';
-import { BrowserRouter, Routes, Route } from 'react-router-dom';
+import React, { useState } from 'react';
+import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom';
 import ConsolidatedHome from './components/ConsolidatedHome';
 import ChangeoverDetail from './components/ChangeoverDetail';
 import EventTimeline from './components/EventTimeline';
 import './index.css';
 
+const STATIC_PASSWORD = "SOP-Monitor-99";
+
+function ProtectedRoute({ children, isAuthenticated }) {
+  if (!isAuthenticated) {
+    return <Navigate to="/login" replace />;
+  }
+  return children;
+}
+
+function Login({ onLogin }) {
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    if (password === STATIC_PASSWORD) {
+      onLogin();
+    } else {
+      setError('Incorrect password');
+    }
+  };
+
+  return (
+    <div className="container animate-fade-in" style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100vh', maxWidth: '100%' }}>
+      <div className="glass-panel" style={{ padding: '3rem', width: '100%', maxWidth: '400px', textAlign: 'center' }}>
+        <h2 style={{ marginBottom: '2rem' }}>AI SOP Monitoring</h2>
+        <form onSubmit={handleSubmit} style={{ display: 'flex', flexDirection: 'column', gap: '1rem' }}>
+          <input 
+            type="password" 
+            placeholder="Enter Access Password"
+            value={password}
+            onChange={e => setPassword(e.target.value)}
+            style={{ 
+              padding: '0.75rem 1rem', 
+              borderRadius: '8px', 
+              border: '1px solid var(--panel-border)',
+              background: 'rgba(255,255,255,0.05)',
+              color: 'var(--text)',
+              fontSize: '1rem',
+              outline: 'none',
+              boxShadow: 'inset 0 2px 4px rgba(0,0,0,0.2)'
+            }}
+          />
+          {error && <p style={{ color: '#ff6b6b', margin: 0, fontSize: '0.875rem' }}>{error}</p>}
+          <button type="submit" style={{
+            padding: '0.75rem',
+            background: 'var(--accent)',
+            color: 'white',
+            border: 'none',
+            borderRadius: '8px',
+            fontSize: '1rem',
+            fontWeight: '600',
+            cursor: 'pointer',
+            transition: 'background 0.2s ease'
+          }}
+          onMouseEnter={(e) => e.currentTarget.style.background = '#0e705b'}
+          onMouseLeave={(e) => e.currentTarget.style.background = 'var(--accent)'}
+          >
+            Access Dashboard
+          </button>
+        </form>
+      </div>
+    </div>
+  );
+}
+
 function App() {
+  const [isAuthenticated, setIsAuthenticated] = useState(() => {
+    return localStorage.getItem('sop_auth') === 'true';
+  });
+
+  const handleLogin = () => {
+    setIsAuthenticated(true);
+    localStorage.setItem('sop_auth', 'true');
+  };
+
   return (
     <BrowserRouter>
       <div className="App">
         <Routes>
-          <Route path="/" element={<ConsolidatedHome />} />
-          <Route path="/changeover/:id" element={<ChangeoverDetail />} />
-          <Route path="/changeover/:id/timeline" element={<EventTimeline />} />
+          <Route path="/login" element={<Login onLogin={handleLogin} />} />
+          <Route path="/" element={
+            <ProtectedRoute isAuthenticated={isAuthenticated}>
+              <ConsolidatedHome />
+            </ProtectedRoute>
+          } />
+          <Route path="/changeover/:id" element={
+            <ProtectedRoute isAuthenticated={isAuthenticated}>
+              <ChangeoverDetail />
+            </ProtectedRoute>
+          } />
+          <Route path="/changeover/:id/timeline" element={
+            <ProtectedRoute isAuthenticated={isAuthenticated}>
+              <EventTimeline />
+            </ProtectedRoute>
+          } />
         </Routes>
       </div>
     </BrowserRouter>