diff --git a/assets/css/custom.css b/assets/css/custom.css
new file mode 100644
index 0000000..7989974
--- /dev/null
+++ b/assets/css/custom.css
@@ -0,0 +1,128 @@
+/* SIAPon Custom Styles */
+
+:root {
+    --primary-color: #4F46E5;
+    --secondary-color: #10B981;
+    --background-color: #F3F4F6;
+    --surface-color: #FFFFFF;
+    --text-color: #111827;
+    --heading-font: 'Georgia', serif;
+    --body-font: 'Inter', sans-serif;
+}
+
+body {
+    font-family: var(--body-font);
+    background-color: var(--background-color);
+    color: var(--text-color);
+}
+
+h1, h2, h3, h4, h5, h6 {
+    font-family: var(--heading-font);
+}
+
+.login-body {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    min-height: 100vh;
+    background: linear-gradient(to right, #4f46e5, #2563eb);
+}
+
+.login-card {
+    border-radius: 0.75rem;
+    border: none;
+    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
+}
+
+.login-card .card-title {
+    font-family: var(--heading-font);
+    font-size: 2.5rem;
+    font-weight: 700;
+    color: var(--primary-color);
+}
+
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+    padding: 0.75rem 1rem;
+    border-radius: 0.5rem;
+    font-weight: 500;
+    transition: background-color 0.2s ease-in-out;
+}
+
+.btn-primary:hover {
+    background-color: #4338CA;
+    border-color: #4338CA;
+}
+
+.form-control {
+    border-radius: 0.5rem;
+    padding: 0.75rem 1rem;
+}
+
+.form-control:focus {
+    box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
+    border-color: var(--primary-color);
+}
+
+/* Dashboard Layout */
+.sidebar {
+    width: 260px;
+    position: fixed;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    background-color: var(--surface-color);
+    box-shadow: 0 0 15px rgba(0,0,0,0.05);
+    padding: 1.5rem;
+}
+
+.main-content {
+    margin-left: 260px;
+    padding: 2rem;
+}
+
+.sidebar .nav-link {
+    color: #374151;
+    font-weight: 500;
+    padding: 0.75rem 1rem;
+    border-radius: 0.5rem;
+    margin-bottom: 0.5rem;
+}
+
+.sidebar .nav-link.active,
+.sidebar .nav-link:hover {
+    background-color: #EEF2FF;
+    color: var(--primary-color);
+}
+
+.sidebar .nav-link .icon {
+    margin-right: 0.75rem;
+}
+
+.header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 2rem;
+}
+
+.stat-card {
+    background-color: var(--surface-color);
+    border-radius: 0.75rem;
+    padding: 1.5rem;
+    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
+    transition: transform 0.2s, box-shadow 0.2s;
+}
+
+.stat-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 10px 15px rgba(0,0,0,0.07);
+}
+
+.chart-container {
+    background-color: var(--surface-color);
+    border-radius: 0.75rem;
+    padding: 1.5rem;
+    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
+}
diff --git a/auth.php b/auth.php
new file mode 100644
index 0000000..d4c9309
--- /dev/null
+++ b/auth.php
@@ -0,0 +1,10 @@
+<?php
+session_start();
+
+function check_auth() {
+    if (!isset($_SESSION['user_id'])) {
+        header('Location: login.php');
+        exit();
+    }
+}
+?>
\ No newline at end of file
diff --git a/index.php b/index.php
index 7205f3d..d75aa9d 100644
--- a/index.php
+++ b/index.php
@@ -1,150 +1,107 @@
 <?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
+require_once 'auth.php';
+check_auth();
+
+$user_role = $_SESSION['user_role'] ?? 'Guest';
+$username = $_SESSION['user_id'] ?? 'user';
+
+// Role-based menu access
+$menu = [
+    'Administrator' => ['Dashboard', 'Transactions', 'Reports', 'Users', 'Settings'],
+    'Operator' => ['Dashboard', 'Transactions', 'Reports'],
+    'Kepala Badan' => ['Dashboard', 'Reports'],
+];
+
+$user_menu = $menu[$user_role] ?? [];
 
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
 ?>
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
-?>
-<?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
-  <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-<?php endif; ?>
-<?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
-  <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
-  <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-<?php endif; ?>
-  <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=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Dashboard - SIAPon</title>
+    <meta name="description" content="SIAPon: Streamline tax and regional levy management with real-time insights for Bapenda Kabupaten Sarmi.">
+    <meta name="keywords" content="tax management, regional levy, bapenda, sarmi, tax reporting, online tax, retribution management, local government revenue, public finance, digital bureaucracy, tax system, revenue monitoring">
+    <meta property="og:title" content="SIAPON">
+    <meta property="og:description" content="SIAPon: Streamline tax and regional levy management with real-time insights for Bapenda Kabupaten Sarmi.">
+    <meta property="og:image" content="<?php echo htmlspecialchars($_SERVER['PROJECT_IMAGE_URL'] ?? ''); ?>">
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:image" content="<?php echo htmlspecialchars($_SERVER['PROJECT_IMAGE_URL'] ?? ''); ?>">
+    
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <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=Inter:wght@400;500;700&family=Georgia:wght@700&display=swap" rel="stylesheet">
+    <script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
+    <link rel="stylesheet" href="assets/css/custom.css">
 </head>
 <body>
-  <main>
-    <div class="card">
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
-      </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
+
+<div class="sidebar">
+    <h2 class="h4 mb-4">SIAPon</h2>
+    <nav class="nav flex-column">
+        <?php if (in_array('Dashboard', $user_menu)): ?>
+            <a class="nav-link active" href="#"><i class="icon" data-feather="home"></i> Dashboard</a>
+        <?php endif; ?>
+        <?php if (in_array('Transactions', $user_menu)): ?>
+            <a class="nav-link" href="#"><i class="icon" data-feather="file-text"></i> Transactions</a>
+        <?php endif; ?>
+        <?php if (in_array('Reports', $user_menu)): ?>
+            <a class="nav-link" href="#"><i class="icon" data-feather="bar-chart-2"></i> Reports</a>
+        <?php endif; ?>
+        <?php if (in_array('Users', $user_menu)): ?>
+            <a class="nav-link" href="#"><i class="icon" data-feather="users"></i> Users</a>
+        <?php endif; ?>
+        <?php if (in_array('Settings', $user_menu)): ?>
+            <a class="nav-link" href="#"><i class="icon" data-feather="settings"></i> Settings</a>
+        <?php endif; ?>
+    </nav>
+</div>
+
+<div class="main-content">
+    <header class="header">
+        <div>
+            <h1 class="h3">Dashboard</h1>
+            <p class="text-muted">Welcome back, <?php echo htmlspecialchars($username); ?> (<?php echo htmlspecialchars($user_role); ?>)</p>
+        </div>
+        <a href="logout.php" class="btn btn-outline-secondary">Logout</a>
+    </header>
+
+    <div class="row g-4 mb-4">
+        <div class="col-md-4">
+            <div class="stat-card">
+                <h5>Pendapatan Hari Ini</h5>
+                <p class="h2">Rp 0</p>
+                <small class="text-muted">Placeholder Data</small>
+            </div>
+        </div>
+        <div class="col-md-4">
+            <div class="stat-card">
+                <h5>Pendapatan Bulan Ini</h5>
+                <p class="h2">Rp 0</p>
+                <small class="text-muted">Placeholder Data</small>
+            </div>
+        </div>
+        <div class="col-md-4">
+            <div class="stat-card">
+                <h5>Pendapatan Tahun Ini</h5>
+                <p class="h2">Rp 0</p>
+                <small class="text-muted">Placeholder Data</small>
+            </div>
+        </div>
     </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
+
+    <div class="chart-container">
+        <h5 class="mb-3">Grafik Pendapatan Tahunan</h5>
+        <div class="text-center p-5">
+            <p class="text-muted">Chart will be displayed here.</p>
+        </div>
+    </div>
+</div>
+
+<script>
+  feather.replace()
+</script>
 </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/login.php b/login.php
new file mode 100644
index 0000000..27398f4
--- /dev/null
+++ b/login.php
@@ -0,0 +1,68 @@
+<?php
+session_start();
+
+$error = '';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $username = $_POST['username'];
+    $password = $_POST['password'];
+
+    // Hardcoded users for demonstration
+    $users = [
+        'admin' => ['password' => 'password', 'role' => 'Administrator'],
+        'Admindan' => ['password' => 'pasword123', 'role' => 'Administrator'],
+        'operator' => ['password' => 'password', 'role' => 'Operator'],
+        'pimpinan' => ['password' => 'password', 'role' => 'Kepala Badan'],
+    ];
+
+    if (isset($users[$username]) && $users[$username]['password'] === $password) {
+        $_SESSION['user_id'] = $username;
+        $_SESSION['user_role'] = $users[$username]['role'];
+        header('Location: index.php');
+        exit();
+    } else {
+        $error = 'Invalid username or password';
+    }
+}
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Login - SIAPon</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Georgia:wght@700&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css">
+</head>
+<body class="login-body">
+    <div class="container">
+        <div class="row justify-content-center">
+            <div class="col-md-6 col-lg-4">
+                <div class="card login-card">
+                    <div class="card-body">
+                        <h1 class="card-title text-center">SIAPon</h1>
+                        <p class="card-subtitle text-center mb-4">Sistem Informasi Pembukuan Pajak dan Retribusi Daerah On Line</p>
+                        <?php if ($error): ?>
+                            <div class="alert alert-danger"><?php echo htmlspecialchars($error); ?></div>
+                        <?php endif; ?>
+                        <form action="login.php" method="POST">
+                            <div class="mb-3">
+                                <label for="username" class="form-label">Username</label>
+                                <input type="text" class="form-control" id="username" name="username" required>
+                            </div>
+                            <div class="mb-3">
+                                <label for="password" class="form-label">Password</label>
+                                <input type="password" class="form-control" id="password" name="password" required>
+                            </div>
+                            <button type="submit" class="btn btn-primary w-100">Login</button>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</body>
+</html>
diff --git a/logout.php b/logout.php
new file mode 100644
index 0000000..ceaf227
--- /dev/null
+++ b/logout.php
@@ -0,0 +1,7 @@
+<?php
+session_start();
+session_unset();
+session_destroy();
+header('Location: login.php');
+exit();
+?>
\ No newline at end of file
