diff --git a/templates/base.html b/templates/base.html
new file mode 100644
index 0000000..13df2b0
--- /dev/null
+++ b/templates/base.html
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8" />
+  <meta
+    name="viewport"
+    content="width=device-width, initial-scale=1.0, viewport-fit=cover"
+  />
+  <title>{% block title %}Admin{% endblock %}</title>
+  <link
+    rel="stylesheet"
+    href="{{ url_for('static', filename='css/style.css') }}"
+  />
+  <link
+    rel="preconnect"
+    href="https://fonts.googleapis.com"
+    crossorigin
+  />
+  <link
+    href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap"
+    rel="stylesheet"
+  />
+</head>
+<body>
+  <header class="navbar">
+    <div class="navbar-content">
+      <a class="brand" href="{{ url_for('index') }}">Admin Panel</a>
+      <nav class="navbar-links">
+        {% if session.get('username') %}
+        <a href="{{ url_for('index') }}">Dashboard</a>
+        <a href="{{ url_for('send_update') }}">Send Update</a>
+        <a href="{{ url_for('logout') }}" class="logout">Logout</a>
+        {% endif %}
+      </nav>
+    </div>
+  </header>
+
+  <main class="container">
+    {% with messages = get_flashed_messages(with_categories=true) %}
+      {% if messages %}
+        <div class="flash-stack">
+          {% for category, message in messages %}
+            <div class="flash flash-{{ category|lower }}">{{ message }}</div>
+          {% endfor %}
+        </div>
+      {% endif %}
+    {% endwith %}
+
+    {% block content %}{% endblock %}
+  </main>
+
+  <footer class="footer">
+    <div class="footer-inner">
+      <span>&copy; {{ 2025 }} Admin Panel</span>
+    </div>
+  </footer>
+</body>
+</html>
\ No newline at end of file
