diff --git a/assets/css/custom.css b/assets/css/custom.css
new file mode 100644
index 0000000..8efb485
--- /dev/null
+++ b/assets/css/custom.css
@@ -0,0 +1,87 @@
+
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
+
+body {
+    font-family: 'Inter', sans-serif;
+    background-color: #f3f4f6;
+}
+
+.sidebar {
+    position: fixed;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    z-index: 100;
+    padding: 48px 0 0;
+    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
+    background-color: #ffffff;
+}
+
+.sidebar-sticky {
+    position: relative;
+    top: 0;
+    height: calc(100vh - 48px);
+    padding-top: .5rem;
+    overflow-x: hidden;
+    overflow-y: auto;
+}
+
+.nav-link {
+    font-weight: 500;
+    color: #4b5563;
+    display: flex;
+    align-items: center;
+}
+
+.nav-link .feather {
+    margin-right: 8px;
+    width: 20px;
+    height: 20px;
+}
+
+.nav-link.active {
+    color: #4f46e5;
+}
+
+.nav-link:hover .feather,
+.nav-link.active .feather {
+    color: inherit;
+}
+
+.main-content {
+    margin-left: 240px;
+    padding: 2rem;
+}
+
+.card {
+    border: none;
+    border-radius: 0.5rem;
+    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
+}
+
+.card-title {
+    font-weight: 600;
+}
+
+.brand-logo {
+    font-weight: 700;
+    font-size: 1.5rem;
+    color: #111827;
+}
+
+@media (max-width: 767.98px) {
+    .sidebar {
+        width: 100%;
+        height: auto;
+        position: relative;
+        box-shadow: none;
+    }
+    .main-content {
+        margin-left: 0;
+    }
+    .sidebar-sticky {
+        height: auto;
+        padding-top: 0;
+    }
+}
+
diff --git a/index.php b/index.php
index 7205f3d..9f01772 100644
--- a/index.php
+++ b/index.php
@@ -1,150 +1,113 @@
-<?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
-
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
-?>
 <!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">
+    <title><?php echo htmlspecialchars($_SERVER['PROJECT_NAME'] ?? 'My App'); ?></title>
+    <meta name="description" content="<?php echo htmlspecialchars($_SERVER['PROJECT_DESCRIPTION'] ?? 'A fantastic web application.'); ?>">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="assets/css/custom.css?v=<?php echo time(); ?>" rel="stylesheet">
+    <script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
 </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="container-fluid">
+    <div class="row">
+        <nav id="sidebarMenu" class="col-md-3 col-lg-2 d-md-block sidebar collapse">
+            <div class="position-sticky pt-3">
+                <h4 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted">
+                    <a href="/" class="brand-logo text-decoration-none">DataEntry</a>
+                </h4>
+                <ul class="nav flex-column">
+                    <li class="nav-item">
+                        <a class="nav-link active" aria-current="page" href="#">
+                            <i data-feather="home"></i>
+                            Dashboard
+                        </a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="#">
+                            <i data-feather="plus-circle"></i>
+                            Pharma
+                        </a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="#">
+                            <i data-feather="package"></i>
+                            Non-Pharma
+                        </a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="#">
+                            <i data-feather="truck"></i>
+                            Home Delivery
+                        </a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="#">
+                            <i data-feather="check-square"></i>
+                            Daily Audit
+                        </a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="#">
+                            <i data-feather="users"></i>
+                            Membership
+                        </a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="#">
+                            <i data-feather="bar-chart-2"></i>
+                            Sales Chart
+                        </a>
+                    </li>
+                </ul>
+            </div>
+        </nav>
+
+        <main class="main-content col-md-9 ms-sm-auto col-lg-10 px-md-4">
+            <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
+                <h1 class="h2">Dashboard</h1>
+            </div>
+
+            <div class="row">
+                <div class="col-md-4">
+                    <div class="card mb-4">
+                        <div class="card-body">
+                            <h5 class="card-title">Pharma Entries</h5>
+                            <p class="card-text fs-2">1,234</p>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="card mb-4">
+                        <div class="card-body">
+                            <h5 class="card-title">Non-Pharma Entries</h5>
+                            <p class="card-text fs-2">567</p>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="card mb-4">
+                        <div class="card-body">
+                            <h5 class="card-title">Home Deliveries</h5>
+                            <p class="card-text fs-2">89</p>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            
+            <div class="alert alert-primary" role="alert">
+                Welcome to your new application! This is the main dashboard. You can start adding features now.
+            </div>
+
+        </main>
     </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
+</div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
+<script>
+    feather.replace()
+</script>
 </body>
-</html>
+</html>
\ No newline at end of file
