diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bb232ea
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+REFRENCE_ONLY/
+.DS_Store
diff --git a/auth.php b/auth.php
new file mode 100644
index 0000000..003e659
--- /dev/null
+++ b/auth.php
@@ -0,0 +1,9 @@
+<?php
+session_start();
+
+// Check if user is logged in
+if (!isset($_SESSION['logged_in']) || $_SESSION['logged_in'] !== true) {
+    header('Location: login.php');
+    exit;
+}
+?>
diff --git a/config.php b/config.php
index 1519378..992d932 100644
--- a/config.php
+++ b/config.php
@@ -11,6 +11,12 @@ if (!isset($_SERVER['HTTP_X_REQUESTED_WITH']) || strtolower($_SERVER['HTTP_X_REQ
     exit('Access denied');
 }
 
+session_start();
+if (!isset($_SESSION['logged_in']) || $_SESSION['logged_in'] !== true) {
+    http_response_code(401);
+    exit(json_encode(['error' => 'Unauthorized']));
+}
+
 // Configuration data
 $config = [
     'api' => [
diff --git a/index.php b/index.php
index 701c760..1546310 100644
--- a/index.php
+++ b/index.php
@@ -1,3 +1,6 @@
+<?php
+require_once 'auth.php';
+?>
 <!DOCTYPE html>
 <html lang="en">
 <head>
@@ -251,11 +254,29 @@
                 padding: 20px;
             }
         }
+
+        .logout-btn {
+            position: absolute;
+            top: 20px;
+            right: 20px;
+            background: rgba(255, 255, 255, 0.2);
+            color: white;
+            text-decoration: none;
+            padding: 8px 15px;
+            border-radius: 4px;
+            font-size: 14px;
+            transition: background 0.2s;
+        }
+
+        .logout-btn:hover {
+            background: rgba(255, 255, 255, 0.3);
+        }
     </style>
 </head>
 <body>
     <div class="container">
         <div class="header">
+            <a href="logout.php" class="logout-btn">Logout</a>
             <h1>OMG Static - H&M <small style="opacity: 0.7; font-size: 0.5em;">v1.01</small></h1>
             <p>Select an action and configure the required parameters</p>
         </div>
diff --git a/login.php b/login.php
new file mode 100644
index 0000000..3208d14
--- /dev/null
+++ b/login.php
@@ -0,0 +1,152 @@
+<?php
+session_start();
+
+// Credentials
+$valid_username = 'H&M admin';
+$valid_password = '8shk862#gsf';
+
+$error = '';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $username = $_POST['username'] ?? '';
+    $password = $_POST['password'] ?? '';
+
+    if ($username === $valid_username && $password === $valid_password) {
+        $_SESSION['logged_in'] = true;
+        header('Location: index.php');
+        exit;
+    } else {
+        $error = 'Invalid username or password';
+    }
+}
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Login - OMG Static - H&M</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap" rel="stylesheet">
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+
+        body {
+            font-family: "Montserrat", sans-serif;
+            background-color: #f5f5f5;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+            padding: 20px;
+        }
+
+        .login-container {
+            background: white;
+            padding: 40px;
+            border-radius: 8px;
+            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
+            width: 100%;
+            max-width: 400px;
+        }
+
+        .header {
+            text-align: center;
+            margin-bottom: 30px;
+        }
+
+        .header h1 {
+            color: #dc3545;
+            font-size: 24px;
+            margin-bottom: 10px;
+        }
+
+        .form-group {
+            margin-bottom: 20px;
+        }
+
+        label {
+            display: block;
+            margin-bottom: 8px;
+            color: #333;
+            font-weight: 500;
+        }
+
+        input {
+            width: 100%;
+            padding: 12px;
+            border: 1px solid #ddd;
+            border-radius: 4px;
+            font-size: 16px;
+            font-family: "Montserrat", sans-serif;
+            transition: border-color 0.3s;
+        }
+
+        input:focus {
+            outline: none;
+            border-color: #dc3545;
+        }
+
+        button {
+            width: 100%;
+            padding: 12px;
+            background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
+            color: white;
+            border: none;
+            border-radius: 4px;
+            font-size: 16px;
+            font-weight: 600;
+            cursor: pointer;
+            transition: transform 0.2s, box-shadow 0.2s;
+            font-family: "Montserrat", sans-serif;
+        }
+
+        button:hover {
+            transform: translateY(-2px);
+            box-shadow: 0 4px 10px rgba(220, 53, 69, 0.3);
+        }
+
+        .error {
+            background-color: #f8d7da;
+            color: #721c24;
+            padding: 12px;
+            border-radius: 4px;
+            margin-bottom: 20px;
+            font-size: 14px;
+            text-align: center;
+            border: 1px solid #f5c6cb;
+        }
+    </style>
+</head>
+<body>
+    <div class="login-container">
+        <div class="header">
+            <h1>OMG Static - H&M</h1>
+            <p>Please login to continue</p>
+        </div>
+
+        <?php if ($error): ?>
+            <div class="error"><?php echo htmlspecialchars($error); ?></div>
+        <?php endif; ?>
+
+        <form method="POST" action="">
+            <div class="form-group">
+                <label for="username">Username</label>
+                <input type="text" id="username" name="username" required autofocus>
+            </div>
+            
+            <div class="form-group">
+                <label for="password">Password</label>
+                <input type="password" id="password" name="password" required>
+            </div>
+
+            <button type="submit">Login</button>
+        </form>
+    </div>
+</body>
+</html>
diff --git a/logout.php b/logout.php
new file mode 100644
index 0000000..6cba1e4
--- /dev/null
+++ b/logout.php
@@ -0,0 +1,6 @@
+<?php
+session_start();
+session_destroy();
+header('Location: login.php');
+exit;
+?>
