From fe1aa2747e9cb9f822fdac2bf70b6abb9efd75bb Mon Sep 17 00:00:00 2001
From: Dayuan Jiang <34411969+DayuanJiang@users.noreply.github.com>
Date: Fri, 5 Dec 2025 23:34:18 +0900
Subject: [PATCH] fix: add viewport meta tag for mobile layout (#110)

---
 app/layout.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/layout.tsx b/app/layout.tsx
index 0d42e02..bb40d98 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,4 +1,4 @@
-import type { Metadata } from "next";
+import type { Metadata, Viewport } from "next";
 import { Plus_Jakarta_Sans, JetBrains_Mono } from "next/font/google";
 import { Analytics } from "@vercel/analytics/react";
 import { GoogleAnalytics } from "@next/third-parties/google";
@@ -18,6 +18,13 @@ const jetbrainsMono = JetBrains_Mono({
     weight: ["400", "500"],
 });
 
+export const viewport: Viewport = {
+    width: "device-width",
+    initialScale: 1,
+    maximumScale: 1,
+    userScalable: false,
+};
+
 export const metadata: Metadata = {
     title: "Next AI Draw.io - AI-Powered Diagram Generator",
     description: "Create AWS architecture diagrams, flowcharts, and technical diagrams using AI. Free online tool integrating draw.io with AI assistance for professional diagram creation.",