From b3648c5bb4d55310e33d85b64bfdc8dc4a6f21e8 Mon Sep 17 00:00:00 2001
From: AI Studio <ai@google.com>
Date: Fri, 15 May 2026 18:41:57 +0000
Subject: [PATCH] feat/fix: improve responsive constraints & add live
 ThemeListener

---
 Template-01/src/App.tsx                       |  4 +-
 .../src/components/layout/ThemeListener.tsx   | 50 +++++++++++++++++++
 Template-01/src/index.css                     | 11 ++++
 Template-02/src/App.tsx                       |  4 +-
 .../src/components/layout/ThemeListener.tsx   | 50 +++++++++++++++++++
 Template-02/src/index.css                     | 11 ++++
 6 files changed, 128 insertions(+), 2 deletions(-)
 create mode 100644 Template-01/src/components/layout/ThemeListener.tsx
 create mode 100644 Template-02/src/components/layout/ThemeListener.tsx

diff --git a/Template-01/src/App.tsx b/Template-01/src/App.tsx
index b6dbee9..9e2e15a 100644
--- a/Template-01/src/App.tsx
+++ b/Template-01/src/App.tsx
@@ -1,3 +1,4 @@
+import { ThemeListener } from './components/layout/ThemeListener';
 import React from 'react';
 import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
 import { Navbar } from './components/layout/Navbar';
@@ -16,8 +17,9 @@ import { Contact } from './pages/Contact';
 export default function App() {
   return (
     <Router>
+      <ThemeListener />
       <Analytics />
-      <div className="flex min-h-screen flex-col font-sans text-gray-800 antialiased selection:bg-brand-gold selection:text-white">
+      <div className="overflow-x-hidden flex min-h-screen flex-col font-sans text-gray-800 antialiased selection:bg-brand-gold selection:text-white">
         <Navbar />
         <div className="flex-1">
           <Routes>
diff --git a/Template-01/src/components/layout/ThemeListener.tsx b/Template-01/src/components/layout/ThemeListener.tsx
new file mode 100644
index 0000000..55dfcbb
--- /dev/null
+++ b/Template-01/src/components/layout/ThemeListener.tsx
@@ -0,0 +1,50 @@
+import { useEffect } from 'react';
+
+export function ThemeListener() {
+  useEffect(() => {
+    const handleMessage = (event: MessageEvent) => {
+      // Allow messages from any origin since preview is generic
+      if (event.data?.type === 'UPDATE_APPEARANCE') {
+        const settings = event.data.settings;
+        if (!settings) return;
+
+        const root = document.documentElement;
+        
+        // Update Primary Color
+        if (settings.primaryColor) {
+          root.style.setProperty('--color-brand-primary', settings.primaryColor);
+          root.style.setProperty('--color-brand-blue', settings.primaryColor);
+          root.style.setProperty('--color-brand-gold', settings.primaryColor);
+        }
+        
+        // Update Background Color
+        if (settings.backgroundColor) {
+          root.style.setProperty('--color-brand-bg', settings.backgroundColor);
+          document.body.style.backgroundColor = settings.backgroundColor;
+        }
+
+        // Update Font Family
+        if (settings.fontFamily) {
+          const fontLink = document.getElementById('dynamic-font') as HTMLLinkElement;
+          const fontName = settings.fontFamily.replace(/ /g, '+');
+          if (fontLink) {
+            fontLink.href = `https://fonts.googleapis.com/css2?family=${fontName}:wght@300;400;500;600;700&display=swap`;
+          } else {
+            const link = document.createElement('link');
+            link.id = 'dynamic-font';
+            link.rel = 'stylesheet';
+            link.href = `https://fonts.googleapis.com/css2?family=${fontName}:wght@300;400;500;600;700&display=swap`;
+            document.head.appendChild(link);
+          }
+          root.style.setProperty('--font-sans', `"${settings.fontFamily}", sans-serif`);
+          document.body.style.fontFamily = `"${settings.fontFamily}", sans-serif`;
+        }
+      }
+    };
+    
+    window.addEventListener('message', handleMessage);
+    return () => window.removeEventListener('message', handleMessage);
+  }, []);
+
+  return null;
+}
\ No newline at end of file
diff --git a/Template-01/src/index.css b/Template-01/src/index.css
index 8fe1821..7d564db 100644
--- a/Template-01/src/index.css
+++ b/Template-01/src/index.css
@@ -35,3 +35,14 @@ body {
 ::-webkit-scrollbar-thumb:hover {
   background: #D4AF37;
 }
+
+
+html, body {
+  overflow-x: hidden;
+  width: 100%;
+  max-width: 100vw;
+}
+
+img {
+  max-width: 100%;
+}
diff --git a/Template-02/src/App.tsx b/Template-02/src/App.tsx
index 7852bc7..f484989 100644
--- a/Template-02/src/App.tsx
+++ b/Template-02/src/App.tsx
@@ -1,3 +1,4 @@
+import { ThemeListener } from './components/layout/ThemeListener';
 import React from 'react';
 import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
 import { ScrollToTop } from './components/ScrollToTop';
@@ -17,9 +18,10 @@ import { Contact } from './pages/Contact';
 export default function App() {
   return (
     <Router>
+      <ThemeListener />
       <ScrollToTop />
       <Analytics />
-      <div className="flex min-h-screen flex-col font-sans text-gray-800 antialiased selection:bg-brand-gold selection:text-white">
+      <div className="overflow-x-hidden flex min-h-screen flex-col font-sans text-gray-800 antialiased selection:bg-brand-gold selection:text-white">
         <Navbar />
         <div className="flex-1">
           <Routes>
diff --git a/Template-02/src/components/layout/ThemeListener.tsx b/Template-02/src/components/layout/ThemeListener.tsx
new file mode 100644
index 0000000..55dfcbb
--- /dev/null
+++ b/Template-02/src/components/layout/ThemeListener.tsx
@@ -0,0 +1,50 @@
+import { useEffect } from 'react';
+
+export function ThemeListener() {
+  useEffect(() => {
+    const handleMessage = (event: MessageEvent) => {
+      // Allow messages from any origin since preview is generic
+      if (event.data?.type === 'UPDATE_APPEARANCE') {
+        const settings = event.data.settings;
+        if (!settings) return;
+
+        const root = document.documentElement;
+        
+        // Update Primary Color
+        if (settings.primaryColor) {
+          root.style.setProperty('--color-brand-primary', settings.primaryColor);
+          root.style.setProperty('--color-brand-blue', settings.primaryColor);
+          root.style.setProperty('--color-brand-gold', settings.primaryColor);
+        }
+        
+        // Update Background Color
+        if (settings.backgroundColor) {
+          root.style.setProperty('--color-brand-bg', settings.backgroundColor);
+          document.body.style.backgroundColor = settings.backgroundColor;
+        }
+
+        // Update Font Family
+        if (settings.fontFamily) {
+          const fontLink = document.getElementById('dynamic-font') as HTMLLinkElement;
+          const fontName = settings.fontFamily.replace(/ /g, '+');
+          if (fontLink) {
+            fontLink.href = `https://fonts.googleapis.com/css2?family=${fontName}:wght@300;400;500;600;700&display=swap`;
+          } else {
+            const link = document.createElement('link');
+            link.id = 'dynamic-font';
+            link.rel = 'stylesheet';
+            link.href = `https://fonts.googleapis.com/css2?family=${fontName}:wght@300;400;500;600;700&display=swap`;
+            document.head.appendChild(link);
+          }
+          root.style.setProperty('--font-sans', `"${settings.fontFamily}", sans-serif`);
+          document.body.style.fontFamily = `"${settings.fontFamily}", sans-serif`;
+        }
+      }
+    };
+    
+    window.addEventListener('message', handleMessage);
+    return () => window.removeEventListener('message', handleMessage);
+  }, []);
+
+  return null;
+}
\ No newline at end of file
diff --git a/Template-02/src/index.css b/Template-02/src/index.css
index e038706..37d678e 100644
--- a/Template-02/src/index.css
+++ b/Template-02/src/index.css
@@ -35,3 +35,14 @@ body {
 ::-webkit-scrollbar-thumb:hover {
   background: #DDA7A5;
 }
+
+
+html, body {
+  overflow-x: hidden;
+  width: 100%;
+  max-width: 100vw;
+}
+
+img {
+  max-width: 100%;
+}