diff --git a/ENV_TEMPLATE b/ENV_TEMPLATE
deleted file mode 100644
index f77e5d7..0000000
--- a/ENV_TEMPLATE
+++ /dev/null
@@ -1 +0,0 @@
-APIKEY=123
diff --git a/ai_email.sql b/ai_email.sql
new file mode 100644
index 0000000..87941cb
--- /dev/null
+++ b/ai_email.sql
@@ -0,0 +1,118 @@
+-- phpMyAdmin SQL Dump
+-- version 6.0.0-dev+20250817.7816c49805
+-- https://www.phpmyadmin.net/
+--
+-- Host: localhost:3306
+-- Generation Time: Aug 23, 2025 at 08:49 PM
+-- Server version: 8.4.3
+-- PHP Version: 8.3.16
+
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+START TRANSACTION;
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+
+--
+-- Database: `ai_email`
+--
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `saved_emails`
+--
+
+CREATE TABLE `saved_emails` (
+  `id` int UNSIGNED NOT NULL,
+  `user_id` int UNSIGNED NOT NULL,
+  `subject` varchar(255) DEFAULT NULL,
+  `body` text NOT NULL,
+  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+--
+-- Dumping data for table `saved_emails`
+--
+
+INSERT INTO `saved_emails` (`id`, `user_id`, `subject`, `body`, `created_at`) VALUES
+(1, 1, 'Welcome to AI Email Generator', 'This is your first saved email 🎉', '2025-08-20 00:14:01'),
+(2, 1, 'saved', 'Dear [Recipient\'s Name],\r\n\r\nI am writing to express my interest in purchasing the car listed for sale at $60,000. I am prepared to offer $50,000 for the vehicle. Please let me know if this offer is acceptable to you.\r\n\r\nThank you for your time and consideration.\r\n\r\nSincerely,\r\n[Your Name]', '2025-08-20 01:02:02');
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `users`
+--
+
+CREATE TABLE `users` (
+  `id` int UNSIGNED NOT NULL,
+  `username` varchar(50) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `email` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `password` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `dob` date NOT NULL,
+  `uniqueid` char(32) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+--
+-- Dumping data for table `users`
+--
+
+INSERT INTO `users` (`id`, `username`, `email`, `password`, `dob`, `uniqueid`, `created_at`) VALUES
+(1, 'DreamRage', 'test@gmail.com', '$2y$12$8EafDAPFoXdNsx6jWM6NIOAtF8dumXCA//Yl2B/NdNkd6vss2qDhW', '1997-02-08', '5924447ab071c6526f1f76ef53127ffa', '2025-08-19 23:03:58');
+
+--
+-- Indexes for dumped tables
+--
+
+--
+-- Indexes for table `saved_emails`
+--
+ALTER TABLE `saved_emails`
+  ADD PRIMARY KEY (`id`),
+  ADD KEY `user_id` (`user_id`);
+
+--
+-- Indexes for table `users`
+--
+ALTER TABLE `users`
+  ADD PRIMARY KEY (`id`),
+  ADD UNIQUE KEY `username` (`username`),
+  ADD UNIQUE KEY `email` (`email`),
+  ADD UNIQUE KEY `uniqueid` (`uniqueid`);
+
+--
+-- AUTO_INCREMENT for dumped tables
+--
+
+--
+-- AUTO_INCREMENT for table `saved_emails`
+--
+ALTER TABLE `saved_emails`
+  MODIFY `id` int UNSIGNED NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;
+
+--
+-- AUTO_INCREMENT for table `users`
+--
+ALTER TABLE `users`
+  MODIFY `id` int UNSIGNED NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=2;
+
+--
+-- Constraints for dumped tables
+--
+
+--
+-- Constraints for table `saved_emails`
+--
+ALTER TABLE `saved_emails`
+  ADD CONSTRAINT `saved_emails_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE;
+COMMIT;
+
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
diff --git a/config.php b/config.php
index f28fb96..47318ab 100644
--- a/config.php
+++ b/config.php
@@ -1,11 +1,12 @@
 <?php
 // config.php
-function getApi(){
+function getApi() {
     $api_key = getenv('APIKEY');
-    if($api_key){
-        return array('openai_api_key' => $api_key);
-    }else{
-        return false;
+    if ($api_key) {
+        return $api_key;
+    } else {
+        // fallback hardcoded key for testing
+        return "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"; 
     }
 }
-?>
\ No newline at end of file
+?>
diff --git a/database_schema.sql b/database_schema.sql
new file mode 100644
index 0000000..1f76d2c
--- /dev/null
+++ b/database_schema.sql
@@ -0,0 +1,9 @@
+-- Creates the users table
+CREATE TABLE users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) NOT NULL UNIQUE,
+    email VARCHAR(100) NOT NULL UNIQUE,
+    password VARCHAR(255) NOT NULL,
+    uniqueid VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
diff --git a/db.php b/db.php
new file mode 100644
index 0000000..0e6fc12
--- /dev/null
+++ b/db.php
@@ -0,0 +1,23 @@
+<?php
+function getConnection() {
+    $host = '127.0.0.1'; // Force TCP/IP, avoids socket issues
+    $port = 3306; // XAMPP default port
+    $db   = 'ai_email';
+    $user = 'root';
+    $pass = ''; // XAMPP default has no password
+    $charset = 'utf8mb4';
+
+    $dsn = "mysql:host=$host;port=$port;dbname=$db;charset=$charset";
+    $options = [
+        PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+        PDO::ATTR_EMULATE_PREPARES   => false,
+    ];
+
+    try {
+        return new PDO($dsn, $user, $pass, $options);
+    } catch (\PDOException $e) {
+        die("Database connection failed: " . $e->getMessage());
+    }
+}
+?>
diff --git a/home.php b/home.php
index 3319270..5df242d 100644
--- a/home.php
+++ b/home.php
@@ -1,9 +1,73 @@
-<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');?>
+<?php
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+requireLogin(); // only logged-in users can pass
+
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+$conn = getConnection();
+
+include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
+?>
+
 <body>
-    <div class="container">
-        <h1>AI Email Generator</h1>
-        <p>Effortlessly craft polished, professional emails in seconds.</p>
-        <a href="/"><button>Start Generating Emails</button></a>
-        <button id="darkModeBtn">Toggle Dark Mode</button>
-    </div>
-<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php');
+<div class="dashboard">
+    <!-- Sidebar -->
+    <aside class="sidebar">
+        <h2 class="logo">📧 AI Email</h2>
+        <nav>
+            <ul>
+                <li><a href="/inc/php/generate.php">✍️ Generate</a></li>
+                <li><a href="/saved_emails.php">💾 Saved Emails</a></li>
+                <li><a href="/settings.php">⚙️ Settings</a></li>
+                <li><a href="/logout.php">🚪 Logout</a></li>
+            </ul>
+        </nav>
+    </aside>
+
+    <!-- Main Content -->
+    <main class="main-content">
+        <header>
+            <h1>Welcome to AI Email Generator</h1>
+            <p>Effortlessly craft polished, professional emails in seconds.</p>
+            <button id="darkModeBtn">🌙 Toggle Dark Mode</button>
+        </header>
+
+        <section class="quick-actions">
+            <h2>⚡ Quick Actions</h2>
+            <div class="actions">
+                <a href="/inc/php/generate.php"><button>Start Generating Emails</button></a>
+            </div>
+        </section>
+
+        <section class="connected-accounts">
+            <h2>📧 Connected Accounts</h2>
+            <p>Link your email provider to read & send directly:</p>
+            <div class="connect-buttons">
+                <a href="/connect/gmail.php"><button>Connect Gmail</button></a>
+                <a href="/connect/outlook.php"><button>Connect Outlook</button></a>
+                <a href="/connect/imap.php"><button>Other (IMAP/SMTP)</button></a>
+            </div>
+        </section>
+
+        <section class="inbox">
+            <h2>📥 Inbox</h2>
+            <p>(This will show your connected emails once integration is done)</p>
+            <table>
+                <tr><th>From</th><th>Subject</th><th>Date</th><th>Action</th></tr>
+                <tr>
+                    <td>Alice</td>
+                    <td>Hello about our meeting</td>
+                    <td>2025-08-20</td>
+                    <td><a href="/inbox/view.php?id=1"><button>View</button></a></td>
+                </tr>
+                <tr>
+                    <td>Bob</td>
+                    <td>Invoice Reminder</td>
+                    <td>2025-08-19</td>
+                    <td><a href="/inbox/view.php?id=2"><button>View</button></a></td>
+                </tr>
+            </table>
+        </section>
+    </main>
+</div>
+
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php'); ?>
diff --git a/inc/css/style.css b/inc/css/style.css
index 29f00e6..3ef02e0 100644
--- a/inc/css/style.css
+++ b/inc/css/style.css
@@ -151,3 +151,195 @@ button + button {
     white-space: pre-wrap;
     word-wrap: break-word;
 }
+
+.auth-box {
+    max-width: 400px;
+    margin: auto;
+    padding: 20px;
+    border-radius: 10px;
+    background: #fff;
+    transition: all 0.5s ease;
+    box-shadow: 0 0 10px rgba(0,0,0,0.1);
+}
+.auth-box.hidden {
+    display: none;
+}
+.auth-box h2 {
+    text-align: center;
+}
+.auth-box .error {
+    color: red;
+    text-align: center;
+    margin-bottom: 10px;
+}
+.auth-box input, .auth-box button {
+    display: block;
+    width: 100%;
+    margin: 10px 0;
+}
+
+/* Navbar styling */
+.navbar {
+    display: flex;
+    justify-content: space-between; /* logo left, links right */
+    align-items: center;
+    background-color: #fff;
+    padding: 15px 30px;
+    border-bottom: 1px solid #ddd;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+}
+
+.navbar .logo {
+    font-size: 1.5em;
+    font-weight: bold;
+    color: #333;
+}
+
+.navbar .nav-links {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+    display: flex;
+    gap: 20px;
+}
+
+.navbar .nav-links li {
+    display: inline;
+}
+
+.navbar .nav-links a {
+    text-decoration: none;
+    color: #333;
+    font-weight: 500;
+    transition: color 0.2s ease;
+}
+
+.navbar .nav-links a:hover,
+.navbar .nav-links a.active {
+    color: #007bff; /* highlight */
+}
+
+.connect-buttons button {
+    margin: 8px;
+    padding: 10px 18px;
+    font-size: 14px;
+    border-radius: 8px;
+    border: none;
+    cursor: pointer;
+    background: #444;
+    color: #fff;
+    transition: background 0.2s;
+}
+
+.connect-buttons button:hover {
+    background: #666;
+}
+
+table.inbox {
+    width: 100%;
+    margin-top: 15px;
+    border-collapse: collapse;
+}
+
+table.inbox th, table.inbox td {
+    padding: 10px;
+    border-bottom: 1px solid #333;
+    text-align: left;
+}
+
+table.inbox tr:hover {
+    background: #222;
+}
+
+/* Dashboard Layout */
+.dashboard {
+    display: flex;
+    min-height: 100vh;
+}
+
+/* Sidebar */
+.sidebar {
+    width: 220px;
+    background: #111827; /* dark slate */
+    color: #fff;
+    padding: 20px;
+    display: flex;
+    flex-direction: column;
+}
+
+.sidebar .logo {
+    font-size: 20px;
+    font-weight: bold;
+    margin-bottom: 30px;
+    text-align: center;
+}
+
+.sidebar ul {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+}
+
+.sidebar ul li {
+    margin: 15px 0;
+}
+
+.sidebar ul li a {
+    color: #d1d5db;
+    text-decoration: none;
+    font-size: 16px;
+    display: block;
+    padding: 8px;
+    border-radius: 8px;
+    transition: 0.2s;
+}
+
+.sidebar ul li a:hover {
+    background: #374151;
+    color: #fff;
+}
+
+/* Main Content */
+.main-content {
+    flex: 1;
+    padding: 40px;
+    background: #f3f4f6;
+}
+
+.dark-mode .main-content {
+    background: #1f2937;
+    color: #f3f4f6;
+}
+
+/* Force full-width flex layout */
+body, html {
+    margin: 0;
+    padding: 0;
+    height: 100%;
+}
+
+/* Dashboard wrapper */
+.dashboard {
+    display: flex;
+    min-height: 100vh;
+}
+
+/* Sidebar */
+.sidebar {
+    width: 220px;
+    background: #0f172a;
+    color: #fff;
+    padding: 20px;
+    margin: 0;          /* REMOVE spacing */
+    position: fixed;    /* Stick to left */
+    top: 0;
+    left: 0;
+    bottom: 0;
+}
+
+/* Main content area */
+.main-content {
+    margin-left: 220px;   /* Push content to the right of sidebar */
+    padding: 30px;
+    flex: 1;
+}
diff --git a/inc/js/theme.js b/inc/js/theme.js
index 0feaa0e..11841ca 100644
--- a/inc/js/theme.js
+++ b/inc/js/theme.js
@@ -1,9 +1,61 @@
-document.addEventListener('DOMContentLoaded', () =>{
+document.addEventListener('DOMContentLoaded', () => {
+    // Dark mode toggle
     const toggleBtn = document.getElementById('darkModeBtn');
-    if(toggleBtn){
-        toggleBtn.addEventListener('click', (e) =>{
+    if (toggleBtn) {
+        toggleBtn.addEventListener('click', (e) => {
             e.preventDefault();
             document.body.classList.toggle('dark-mode');
-        })
+        });
     }
-})
\ No newline at end of file
+
+    // Copy email button
+    const copyBtn = document.getElementById('copyBtn');
+    if (copyBtn) {
+        copyBtn.addEventListener('click', () => {
+            const text = document.getElementById('aiEmail')?.innerText;
+            if (text) {
+                if (navigator.clipboard && navigator.clipboard.writeText) {
+                    // Modern way (requires HTTPS or localhost)
+                    navigator.clipboard.writeText(text).then(() => {
+                        showToast();
+                    }).catch(err => {
+                        alert("Failed to copy: " + err);
+                    });
+                } else {
+                    // Fallback for HTTP
+                    const textarea = document.createElement('textarea');
+                    textarea.value = text;
+                    document.body.appendChild(textarea);
+                    textarea.select();
+                    document.execCommand('copy');
+                    document.body.removeChild(textarea);
+                    showToast();
+                }
+            }
+        });
+    }
+
+    // Save email button
+    const saveBtn = document.getElementById('saveBtn');
+    if (saveBtn) {
+        saveBtn.addEventListener('click', () => {
+            const text = document.getElementById('aiEmail')?.innerText;
+            if (text) {
+                const blob = new Blob([text], { type: 'text/plain' });
+                const link = document.createElement('a');
+                link.href = URL.createObjectURL(blob);
+                link.download = 'email.txt';
+                link.click();
+            }
+        });
+    }
+
+    // Toast helper
+    function showToast() {
+        const toast = document.getElementById('toast');
+        if (toast) {
+            toast.classList.add('show');
+            setTimeout(() => toast.classList.remove('show'), 2000);
+        }
+    }
+});
diff --git a/inc/php/auth.php b/inc/php/auth.php
new file mode 100644
index 0000000..b47478c
--- /dev/null
+++ b/inc/php/auth.php
@@ -0,0 +1,32 @@
+<?php
+if (session_status() === PHP_SESSION_NONE) {
+    session_start();
+}
+
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+
+function isAuthenticated() {
+    if (empty($_SESSION['user_id']) || empty($_SESSION['uniqueid'])) {
+        return false;
+    }
+
+    try {
+        $conn = getConnection();
+        $stmt = $conn->prepare("SELECT id FROM users WHERE id = :id AND uniqueid = :uniqueid");
+        $stmt->execute([
+            'id' => $_SESSION['user_id'],
+            'uniqueid' => $_SESSION['uniqueid'],
+        ]);
+
+        return $stmt->fetch() !== false;
+    } catch (PDOException $e) {
+        return false; // fail safe
+    }
+}
+
+function requireLogin() {
+    if (!isAuthenticated()) {
+        header("Location: /landing.php");
+        exit();
+    }
+}
diff --git a/inc/php/delete_email.php b/inc/php/delete_email.php
new file mode 100644
index 0000000..6928f3d
--- /dev/null
+++ b/inc/php/delete_email.php
@@ -0,0 +1,18 @@
+<?php
+// /inc/php/delete_email.php
+session_start();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+requireLogin();
+
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+$conn = getConnection();
+
+$user_id = $_SESSION['user_id'] ?? null;
+$id = intval($_GET['id'] ?? 0);
+
+$stmt = $conn->prepare("DELETE FROM saved_emails WHERE id = ? AND user_id = ?");
+$stmt->bind_param("ii", $id, $user_id);
+$stmt->execute();
+
+header("Location: /inc/php/saved.php?deleted=1");
+exit;
diff --git a/inc/php/generate.php b/inc/php/generate.php
new file mode 100644
index 0000000..92fc354
--- /dev/null
+++ b/inc/php/generate.php
@@ -0,0 +1,37 @@
+<?php
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+requireLogin();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/resources.php'); // load languages
+include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
+?>
+
+<body>
+    <div class="container">
+        <h1>Generate an Email</h1>
+        <!-- adjust action depending on vhost/subfolder -->
+        <form action="/process.php" method="POST">
+            <label for="email_input">Your rough text:</label><br>
+            <textarea name="email_input" rows="6" cols="50" required></textarea><br><br>
+
+            <label for="tone">Select tone:</label>
+            <select name="tone" required>
+                <option value="formal">Formal</option>
+                <option value="casual">Casual</option>
+                <option value="persuasive">Persuasive</option>
+            </select><br><br>
+
+            <label for="language">Language:</label>
+            <select name="language" required>
+                <?php foreach (getLanguages() as $lang): ?>
+                    <option value="<?= htmlspecialchars($lang) ?>"><?= htmlspecialchars($lang) ?></option>
+                <?php endforeach; ?>
+            </select><br><br>
+
+            <button type="submit">Generate Email</button>
+        </form>
+
+        <br>
+        <a href="/home.php"><button type="button">🏠 Back to Home</button></a>
+    </div>
+
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php'); ?>
diff --git a/inc/php/header.php b/inc/php/header.php
index c4649ca..da3405e 100644
--- a/inc/php/header.php
+++ b/inc/php/header.php
@@ -3,5 +3,5 @@
 <head>
     <meta charset="UTF-8">
     <title>AI Email Generator - Result</title>
-    <link rel="stylesheet" href="style.css">
+    <link rel="stylesheet" href="/inc/css/style.css">
 </head>
\ No newline at end of file
diff --git a/inc/php/login.php b/inc/php/login.php
new file mode 100644
index 0000000..8ac94a9
--- /dev/null
+++ b/inc/php/login.php
@@ -0,0 +1,91 @@
+<?php
+// Always start session safely
+if (session_status() === PHP_SESSION_NONE) {
+    session_start();
+}
+
+// Load DB
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+
+$errors = [];
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $user = trim($_POST['login_email'] ?? '');
+    $password = $_POST['login_password'] ?? '';
+    $captcha = $_POST['g-recaptcha-response'] ?? '';
+
+    // 1. Input validation
+    if (empty($user) || empty($password)) {
+        $errors[] = "All fields are required.";
+    }
+
+    // 2. CAPTCHA validation
+    $captcha_success = false;
+    $localHosts = ['127.0.0.1', 'localhost'];
+    if (in_array($_SERVER['SERVER_NAME'], $localHosts) || str_contains($_SERVER['HTTP_HOST'], '.test')) {
+        $captcha_success = true; // Skip CAPTCHA locally
+    } else {
+        if (!empty($captcha)) {
+            $captcha_secret = '6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe'; // test key
+
+            $ch = curl_init("https://www.google.com/recaptcha/api/siteverify");
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($ch, CURLOPT_POST, true);
+            curl_setopt($ch, CURLOPT_POSTFIELDS, [
+                'secret' => $captcha_secret,
+                'response' => $captcha,
+                'remoteip' => $_SERVER['REMOTE_ADDR'] ?? null
+            ]);
+
+            $captcha_response = curl_exec($ch);
+            curl_close($ch);
+
+            $captcha_data = json_decode($captcha_response, true);
+            $captcha_success = !empty($captcha_data['success']);
+        }
+    }
+
+    if (!$captcha_success) {
+        $errors[] = "CAPTCHA verification failed.";
+    }
+
+    // 3. Authentication
+    if (empty($errors)) {
+        try {
+            $conn = getConnection();
+            $stmt = $conn->prepare("
+                SELECT id, username, password, uniqueid 
+                FROM users 
+                WHERE email = :email OR username = :username
+                LIMIT 1
+            ");
+            $stmt->execute([
+                'email' => $user,
+                'username' => $user
+            ]);
+            $result = $stmt->fetch(PDO::FETCH_ASSOC);
+
+            if ($result && password_verify($password, $result['password'])) {
+                // Regenerate session ID on login (security)
+                session_regenerate_id(true);
+
+                $_SESSION['user_id'] = $result['id'];
+                $_SESSION['username'] = $result['username'];
+                $_SESSION['uniqueid'] = $result['uniqueid'];
+
+                header("Location: /home.php");
+                exit;
+            } else {
+                $errors[] = "Invalid email/username or password.";
+            }
+        } catch (Exception $e) {
+            $errors[] = "Database error: " . $e->getMessage();
+        }
+    }
+
+    // If failed
+    $_SESSION['login_error'] = implode("<br>", $errors);
+    header("Location: /landing.php");
+    exit;
+}
+?>
diff --git a/inc/php/register.php b/inc/php/register.php
new file mode 100644
index 0000000..3376356
--- /dev/null
+++ b/inc/php/register.php
@@ -0,0 +1,99 @@
+<?php
+session_start();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+
+$errors = [];
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $username = trim($_POST['username'] ?? '');
+    $email = trim($_POST['email'] ?? '');
+    $confirm_email = trim($_POST['confirm_email'] ?? '');
+    $password = $_POST['password'] ?? '';
+    $dob = $_POST['dob'] ?? ''; // from <input type="date" name="dob">
+    $captcha = $_POST['g-recaptcha-response'] ?? '';
+
+    // Basic validation
+    if (empty($username) || empty($email) || empty($confirm_email) || empty($password) || empty($dob)) {
+        $errors[] = "All fields are required.";
+    }
+
+    if ($email !== $confirm_email) {
+        $errors[] = "Emails do not match.";
+    }
+
+    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
+        $errors[] = "Invalid email format.";
+    }
+
+    if (strlen($password) < 6) {
+        $errors[] = "Password must be at least 6 characters.";
+    }
+
+    // Date of Birth validation
+    if ($dob) {
+        try {
+            $birthDate = new DateTime($dob);
+            $today = new DateTime();
+
+            if ($birthDate > $today) {
+                $errors[] = "Date of birth cannot be in the future.";
+            }
+
+            if ($birthDate < new DateTime('1900-01-01')) {
+                $errors[] = "Please enter a valid birth year (1900 or later).";
+            }
+
+            $age = $today->diff($birthDate)->y;
+            if ($age < 16) {
+                $errors[] = "You must be at least 16 years old to register.";
+            }
+        } catch (Exception $e) {
+            $errors[] = "Invalid date of birth.";
+        }
+    }
+
+    // CAPTCHA validation
+    $captcha_secret = '6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe'; // Google's test secret key
+    $captcha_response = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret={$captcha_secret}&response={$captcha}");
+    $captcha_data = json_decode($captcha_response);
+
+    if (!$captcha_data->success) {
+        $errors[] = "CAPTCHA verification failed.";
+    }
+
+    if (empty($errors)) {
+        $conn = getConnection();
+
+        // Check for existing user
+        $stmt = $conn->prepare("SELECT id FROM users WHERE email = :email OR username = :username");
+        $stmt->execute(['email' => $email, 'username' => $username]);
+
+        if ($stmt->fetch()) {
+            $errors[] = "Email or username already in use.";
+        } else {
+            $hash = password_hash($password, PASSWORD_BCRYPT, ['cost' => 12]);
+            $uniqueId = bin2hex(random_bytes(16));
+
+            $insert = $conn->prepare("INSERT INTO users (username, email, password, dob, uniqueid) 
+                                      VALUES (:username, :email, :password, :dob, :uniqueid)");
+            $insert->execute([
+                'username' => $username,
+                'email' => $email,
+                'password' => $hash,
+                'dob' => $dob,
+                'uniqueid' => $uniqueId,
+            ]);
+
+            $_SESSION['user_id'] = $conn->lastInsertId();
+            $_SESSION['uniqueid'] = $uniqueId;
+
+            header("Location: /home.php");
+            exit();
+        }
+    }
+
+    $_SESSION['register_error'] = implode("<br>", $errors);
+    header("Location: /landing.php");
+    exit();
+}
+?>
diff --git a/inc/php/save_email.php b/inc/php/save_email.php
new file mode 100644
index 0000000..c5a7bdf
--- /dev/null
+++ b/inc/php/save_email.php
@@ -0,0 +1,39 @@
+<?php
+// /inc/php/save_email.php
+session_start();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+requireLogin(); // block guests
+
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+$conn = getConnection();
+
+$user_id = $_SESSION['user_id'] ?? null;
+if (!$user_id) {
+    die("Unauthorized. Please log in.");
+}
+
+// Get and sanitize inputs
+$subject = trim($_POST['subject'] ?? '');
+$email_body = trim($_POST['email_body'] ?? '');
+
+if (empty($email_body)) {
+    die("No email content provided.");
+}
+
+$stmt = $conn->prepare("
+    INSERT INTO saved_emails (user_id, subject, body, created_at) 
+    VALUES (:user_id, :subject, :body, NOW())
+");
+
+if ($stmt->execute([
+    ':user_id' => $user_id,
+    ':subject' => $subject,
+    ':body' => $email_body
+])) {
+    header("Location: /home.php?success=1");
+    exit;
+} else {
+    $error = $stmt->errorInfo();
+    echo "Error saving email: " . $error[2];
+}
+
diff --git a/inc/php/view_email.php b/inc/php/view_email.php
new file mode 100644
index 0000000..4de765c
--- /dev/null
+++ b/inc/php/view_email.php
@@ -0,0 +1,33 @@
+<?php
+// /inc/php/view_email.php
+session_start();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+requireLogin();
+
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+$conn = getConnection();
+
+$user_id = $_SESSION['user_id'] ?? null;
+$id = intval($_GET['id'] ?? 0);
+
+$stmt = $conn->prepare("SELECT subject, body, created_at FROM saved_emails WHERE id = ? AND user_id = ?");
+$stmt->bind_param("ii", $id, $user_id);
+$stmt->execute();
+$result = $stmt->get_result();
+$email = $result->fetch_assoc();
+
+include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
+?>
+
+<body>
+<div class="container">
+    <?php if ($email): ?>
+        <h1><?= htmlspecialchars($email['subject'] ?: '(No Subject)') ?></h1>
+        <p><em>Saved on <?= $email['created_at'] ?></em></p>
+        <pre><?= htmlspecialchars($email['body']) ?></pre>
+        <a href="/inc/php/saved.php"><button>⬅ Back</button></a>
+    <?php else: ?>
+        <p>Email not found ❌</p>
+    <?php endif; ?>
+</div>
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php'); ?>
diff --git a/index.php b/index.php
index e6aa82c..5ed9bcc 100644
--- a/index.php
+++ b/index.php
@@ -1,31 +1,3 @@
 <?php
-    include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
-    include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/resources.php');
-    $languages = getLanguages();
-?>
-<body>
-    <div class="container">
-        <h1>AI Email Generator</h1>
-        <form action="process.php" method="POST">
-            <label for="email_input">Your Rough Email:</label>
-            <textarea name="email_input" id="email_input" rows="8" required></textarea>
-
-            <label for="tone">Select Tone:</label>
-            <select name="tone" id="tone" required>
-                <option value="formal">Formal</option>
-                <option value="casual">Casual</option>
-                <option value="persuasive">Persuasive</option>
-            </select>
-
-            <label for="language">Select Language:</label>
-            <select name="language" id="language" required>
-                <?php foreach($languages as $language) :?>
-                    <option value="<?=$language;?>"><?=$language;?></option>
-                <?php endforeach;?>
-            </select>
-
-            <button type="submit">Generate Email</button>
-            <button id="darkModeBtn" type="button">Toggle Dark Mode</button>
-        </form>
-    </div>
-<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php');
+header("Location: /landing.php");
+exit();
diff --git a/landing.php b/landing.php
new file mode 100644
index 0000000..5523982
--- /dev/null
+++ b/landing.php
@@ -0,0 +1,96 @@
+<?php
+session_start();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+require_once($_SERVER['DOCUMENT_ROOT'] . '/config.php');
+include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
+?>
+
+<link rel="stylesheet" href="/inc/css/style.css">
+<script src="https://www.google.com/recaptcha/api.js" async defer></script>
+
+<body>
+<nav class="navbar">
+  <div class="logo">MailGenius</div>
+  <ul class="nav-links">
+    <li><a href="#" class="active" onclick="showLogin(); highlightTab(this)">Login</a></li>
+    <li><a href="#" onclick="showRegister(); highlightTab(this)">Create Account</a></li>
+    <li><a href="#" onclick="alert('About us content coming soon!')">About Us</a></li>
+  </ul>
+</nav>
+
+<div class="container" id="auth-container">
+  <h1>AI Email Generator</h1>
+
+  <!-- Login Form -->
+  <div id="login-box" class="auth-box">
+    <form action="/inc/php/login.php" method="POST">
+      <h2>Login</h2>
+
+      <?php if (isset($_SESSION['login_error'])): ?>
+        <p class="error"><?= $_SESSION['login_error']; unset($_SESSION['login_error']); ?></p>
+      <?php endif; ?>
+
+      <label for="login_email">Email or Username</label>
+      <input type="text" name="login_email" required>
+
+      <label for="login_password">Password</label>
+      <input type="password" name="login_password" required>
+
+      <div class="g-recaptcha" data-sitekey="your_site_key"></div>
+
+      <button type="submit">Login</button>
+    </form>
+  </div>
+
+  <!-- Register Form -->
+  <div id="register-box" class="auth-box hidden">
+    <form action="/inc/php/register.php" method="POST">
+      <h2>Create Account</h2>
+
+      <?php if (isset($_SESSION['register_error'])): ?>
+        <p class="error"><?= $_SESSION['register_error']; unset($_SESSION['register_error']); ?></p>
+      <?php endif; ?>
+
+      <label for="username">Username</label>
+      <input type="text" name="username" required>
+
+      <label for="email">Email</label>
+      <input type="email" name="email" required>
+
+      <label for="confirm_email">Confirm Email</label>
+      <input type="email" name="confirm_email" required>
+
+      <label for="password">Password</label>
+      <input type="password" name="password" required>
+
+      <label for="dob">Date of Birth</label>
+      <input type="date" name="dob" required 
+            min="1900-01-01" 
+            max="<?php echo date('Y-m-d'); ?>">
+
+
+      <div class="g-recaptcha" data-sitekey="your_site_key"></div>
+
+      <button type="submit">Register</button>
+    </form>
+  </div>
+</div>
+
+<script>
+function showRegister() {
+  document.getElementById("login-box").classList.add("hidden");
+  document.getElementById("register-box").classList.remove("hidden");
+}
+
+function showLogin() {
+  document.getElementById("register-box").classList.add("hidden");
+  document.getElementById("login-box").classList.remove("hidden");
+}
+
+function highlightTab(el) {
+  document.querySelectorAll('.nav-links a').forEach(link => link.classList.remove('active'));
+  el.classList.add('active');
+}
+</script>
+
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php'); ?>
diff --git a/logout.php b/logout.php
new file mode 100644
index 0000000..ca9c48c
--- /dev/null
+++ b/logout.php
@@ -0,0 +1,6 @@
+<?php
+session_start();
+session_unset();
+session_destroy();
+header('Location: login.php');
+exit;
\ No newline at end of file
diff --git a/process.php b/process.php
index 84acb40..e0298bb 100644
--- a/process.php
+++ b/process.php
@@ -1,18 +1,24 @@
 <?php 
-    require_once($_SERVER['DOCUMENT_ROOT'] . '/config.php');
-    include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
+require_once($_SERVER['DOCUMENT_ROOT'] . '/config.php');
+include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php');
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+$conn = getConnection();
+
+$user_id = $_SESSION['user_id'] ?? null;
 ?>
 
 <body>
     <div class="container">
         <?php
-        // Load API key from config
+        // Load API key
         $apikey = getApi();
 
-        // Sanitize and validate user inputs
+        // Sanitize inputs
         $emailInput = trim($_POST['email_input'] ?? '');
-        $tone = htmlspecialchars($_POST['tone']) ?? '';
-        $language = htmlspecialchars($_POST['language']) ?? 'English';  // Language selector
+        $tone = isset($_POST['tone']) ? htmlspecialchars($_POST['tone']) : '';
+        $language = isset($_POST['language']) ? htmlspecialchars($_POST['language']) : 'English';
+
 
         $allowedTones = [
             'formal' => 'Write this email in a formal tone',
@@ -24,12 +30,11 @@
             die('Invalid Input.');
         }
 
-        // Improved Prompt with strict language response
+        // Build prompt
         $prompt = $allowedTones[$tone] . ". Transform this rough text into a polished, professional email in " . $language . ". ONLY reply in " . $language . ":\n\n" . $emailInput;
 
-        // Prepare API request
+        // API call
         $apiurl = 'https://api.openai.com/v1/chat/completions';
-
         $data = [
             'model' => 'gpt-3.5-turbo',
             'messages' => [
@@ -44,7 +49,6 @@
             'Authorization: Bearer ' . $apikey,
         ];
 
-        // Make API request
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $apiurl);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@@ -55,18 +59,31 @@
         $response = curl_exec($ch);
         curl_close($ch);
 
-        // Handle response
         $result = json_decode($response, true);
 
         if (isset($result['choices'][0]['message']['content'])) {
-            $aiEmail = htmlspecialchars($result['choices'][0]['message']['content']);
+            $aiEmail = trim($result['choices'][0]['message']['content']);
+            $safeEmail = htmlspecialchars($aiEmail);
+
             echo "<h2>Your AI-Generated Email:</h2>";
             echo "<div class='email-output'>";
-            echo "<pre>$aiEmail</pre>";
+            echo "<pre>$safeEmail</pre>";
+
+            // Copy / Save / Navigation
             echo "<button id='copyBtn'>Copy Email</button>";
             echo "<button id='saveBtn'>Save Email as .txt</button>";
-            echo "<button id='darkModeBtn'>Toggle Dark Mode</button>";
-            echo "<a href='index.php' class='back-link'>← Generate Another Email</a>";
+            echo "<a href='/home.php'><button>🏠 Back to Home</button></a>";
+            echo "<a href='/inc/php/generate.php' class='back-link'>← Generate Another Email</a>";
+
+            // NEW: Save to DB form
+            if ($user_id) {
+                echo "<form method='POST' action='/inc/php/save_email.php' style='margin-top:15px;'>";
+                echo "<input type='hidden' name='email_body' value=\"" . htmlspecialchars($aiEmail, ENT_QUOTES) . "\">";
+                echo "<input type='text' name='subject' placeholder='Subject (optional)'>";
+                echo "<button type='submit'>💾 Save to My Account</button>";
+                echo "</form>";
+            }
+
             echo "</div>";
         } else {
             echo "Error: Failed to generate email. Try again later.";
@@ -78,7 +95,6 @@
     <script>
     const copyBtn = document.getElementById('copyBtn');
     const saveBtn = document.getElementById('saveBtn');
-    const darkBtn = document.getElementById('darkModeBtn');
 
     if (copyBtn) {
         copyBtn.onclick = function () {
@@ -104,4 +120,4 @@
         };
     }
     </script>
-<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php');
\ No newline at end of file
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php'); ?>
diff --git a/saved_emails.php b/saved_emails.php
new file mode 100644
index 0000000..a864d76
--- /dev/null
+++ b/saved_emails.php
@@ -0,0 +1,46 @@
+<?php
+// /saved_emails.php
+session_start();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/inc/php/auth.php');
+requireLogin();
+require_once($_SERVER['DOCUMENT_ROOT'] . '/db.php');
+
+$conn = getConnection();
+$user_id = $_SESSION['user_id'] ?? null;
+
+$stmt = $conn->prepare("
+    SELECT id, subject, body, created_at 
+    FROM saved_emails 
+    WHERE user_id = :user_id 
+    ORDER BY created_at DESC
+");
+$stmt->execute([':user_id' => $user_id]);
+$emails = $stmt->fetchAll(PDO::FETCH_ASSOC);
+?>
+
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/header.php'); ?>
+
+<body>
+<div class="container">
+    <h1>📑 Saved Emails</h1>
+
+    <?php if (!empty($emails)): ?>
+        <table>
+            <tr><th>Subject</th><th>Preview</th><th>Date</th><th>Action</th></tr>
+            <?php foreach ($emails as $email): ?>
+            <tr>
+                <td><?= htmlspecialchars($email['subject'] ?: '(No Subject)') ?></td>
+                <td><?= htmlspecialchars(substr($email['body'], 0, 50)) ?>...</td>
+                <td><?= $email['created_at'] ?></td>
+                <td>
+                    <a href="/view_email.php?id=<?= $email['id'] ?>"><button>View</button></a>
+                    <a href="/inc/php/delete_email.php?id=<?= $email['id'] ?>" onclick="return confirm('Delete this email?')"><button>Delete</button></a>
+                </td>
+            </tr>
+            <?php endforeach; ?>
+        </table>
+    <?php else: ?>
+        <p>No saved emails yet.</p>
+    <?php endif; ?>
+</div>
+<?php include($_SERVER['DOCUMENT_ROOT'] . '/inc/php/footer.php'); ?>