diff --git a/Template-01/index.html b/Template-01/index.html
index a9c35d0..cd0231f 100644
--- a/Template-01/index.html
+++ b/Template-01/index.html
@@ -16,6 +16,50 @@
     </script>
     <script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
     <script type="module" src="/src/main.tsx"></script>
-  </body>
+  <script>
+window.addEventListener('message', (event) => {
+          if (event.data && event.data.type === 'UPDATE_APPEARANCE') {
+              const settings = event.data.settings;
+              if (!settings) return;
+              let css = '';
+              if (settings.primaryColor) {
+                 css += "\n:root { " +
+                   "--color-brand-primary: " + settings.primaryColor + " !important; " +
+                   "--color-brand-blue: " + settings.primaryColor + " !important; " +
+                   "--color-brand-gold: " + settings.primaryColor + " !important; " +
+                   "--color-blue-500: " + settings.primaryColor + " !important; " +
+                   "--color-blue-600: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-500: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-600: " + settings.primaryColor + " !important; " +
+                   "} " +
+                   ".text-brand-blue, .text-blue-600, .group-hover\\:text-blue-600:hover, .text-brand-gold, .text-emerald-600, .text-blue-500, .text-emerald-500 { color: " + settings.primaryColor + " !important; } " +
+                   ".bg-brand-blue, .bg-blue-600, .hover\\:bg-blue-500:hover, .bg-brand-gold, .bg-emerald-600, .bg-blue-500, .bg-emerald-500 { background-color: " + settings.primaryColor + " !important; } " +
+                   ".border-brand-blue, .border-blue-600, .focus\\:border-blue-600:focus, .border-brand-gold, .border-emerald-600, .border-blue-500, .border-emerald-500 { border-color: " + settings.primaryColor + " !important; } " +
+                   ".fill-blue-600, .fill-emerald-600 { fill: " + settings.primaryColor + " !important; }";
+              }
+              if (settings.backgroundColor) {
+                 css += "\n:root { --color-brand-bg: " + settings.backgroundColor + " !important; } body { background-color: " + settings.backgroundColor + " !important; }";
+              }
+              if (settings.fontFamily) {
+                const fontLink = document.getElementById('dynamic-font');
+                const fontName = settings.fontFamily.replace(/ /g, '+');
+                const fontUrl = 'https://fonts.googleapis.com/css2?family=' + fontName + ':wght@300;400;500;600;700&display=swap';
+                if (fontLink) { (fontLink as HTMLLinkElement).href = fontUrl; } else {
+                  const link = document.createElement('link'); link.id = 'dynamic-font'; link.rel = 'stylesheet'; link.href = fontUrl; document.head.appendChild(link);
+                }
+                css += "\n:root { " +
+                  "--font-sans: \"" + settings.fontFamily + "\", sans-serif !important; " +
+                  "--font-serif: \"" + settings.fontFamily + "\", serif !important; " +
+                  "--font-mono: \"" + settings.fontFamily + "\", monospace !important; " +
+                "} * { font-family: \"" + settings.fontFamily + "\", sans-serif !important; }";
+              }
+              let styleNode = document.getElementById('dynamic-theme-style');
+              if (!styleNode) { styleNode = document.createElement('style'); styleNode.id = 'dynamic-theme-style'; document.head.appendChild(styleNode); }
+              styleNode.innerHTML = css;
+          }
+        });
+        window.parent.postMessage({ type: 'IFRAME_READY' }, '*');
+</script>
+</body>
 </html>
 
diff --git a/Template-02/index.html b/Template-02/index.html
index 7826129..c0234a5 100644
--- a/Template-02/index.html
+++ b/Template-02/index.html
@@ -27,6 +27,50 @@
     </script>
     <script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
     <script type="module" src="/src/main.tsx"></script>
-  </body>
+  <script>
+window.addEventListener('message', (event) => {
+          if (event.data && event.data.type === 'UPDATE_APPEARANCE') {
+              const settings = event.data.settings;
+              if (!settings) return;
+              let css = '';
+              if (settings.primaryColor) {
+                 css += "\n:root { " +
+                   "--color-brand-primary: " + settings.primaryColor + " !important; " +
+                   "--color-brand-blue: " + settings.primaryColor + " !important; " +
+                   "--color-brand-gold: " + settings.primaryColor + " !important; " +
+                   "--color-blue-500: " + settings.primaryColor + " !important; " +
+                   "--color-blue-600: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-500: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-600: " + settings.primaryColor + " !important; " +
+                   "} " +
+                   ".text-brand-blue, .text-blue-600, .group-hover\\:text-blue-600:hover, .text-brand-gold, .text-emerald-600, .text-blue-500, .text-emerald-500 { color: " + settings.primaryColor + " !important; } " +
+                   ".bg-brand-blue, .bg-blue-600, .hover\\:bg-blue-500:hover, .bg-brand-gold, .bg-emerald-600, .bg-blue-500, .bg-emerald-500 { background-color: " + settings.primaryColor + " !important; } " +
+                   ".border-brand-blue, .border-blue-600, .focus\\:border-blue-600:focus, .border-brand-gold, .border-emerald-600, .border-blue-500, .border-emerald-500 { border-color: " + settings.primaryColor + " !important; } " +
+                   ".fill-blue-600, .fill-emerald-600 { fill: " + settings.primaryColor + " !important; }";
+              }
+              if (settings.backgroundColor) {
+                 css += "\n:root { --color-brand-bg: " + settings.backgroundColor + " !important; } body { background-color: " + settings.backgroundColor + " !important; }";
+              }
+              if (settings.fontFamily) {
+                const fontLink = document.getElementById('dynamic-font');
+                const fontName = settings.fontFamily.replace(/ /g, '+');
+                const fontUrl = 'https://fonts.googleapis.com/css2?family=' + fontName + ':wght@300;400;500;600;700&display=swap';
+                if (fontLink) { (fontLink as HTMLLinkElement).href = fontUrl; } else {
+                  const link = document.createElement('link'); link.id = 'dynamic-font'; link.rel = 'stylesheet'; link.href = fontUrl; document.head.appendChild(link);
+                }
+                css += "\n:root { " +
+                  "--font-sans: \"" + settings.fontFamily + "\", sans-serif !important; " +
+                  "--font-serif: \"" + settings.fontFamily + "\", serif !important; " +
+                  "--font-mono: \"" + settings.fontFamily + "\", monospace !important; " +
+                "} * { font-family: \"" + settings.fontFamily + "\", sans-serif !important; }";
+              }
+              let styleNode = document.getElementById('dynamic-theme-style');
+              if (!styleNode) { styleNode = document.createElement('style'); styleNode.id = 'dynamic-theme-style'; document.head.appendChild(styleNode); }
+              styleNode.innerHTML = css;
+          }
+        });
+        window.parent.postMessage({ type: 'IFRAME_READY' }, '*');
+</script>
+</body>
 </html>
 
diff --git a/Template-03/index.html b/Template-03/index.html
index 7826129..c0234a5 100644
--- a/Template-03/index.html
+++ b/Template-03/index.html
@@ -27,6 +27,50 @@
     </script>
     <script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
     <script type="module" src="/src/main.tsx"></script>
-  </body>
+  <script>
+window.addEventListener('message', (event) => {
+          if (event.data && event.data.type === 'UPDATE_APPEARANCE') {
+              const settings = event.data.settings;
+              if (!settings) return;
+              let css = '';
+              if (settings.primaryColor) {
+                 css += "\n:root { " +
+                   "--color-brand-primary: " + settings.primaryColor + " !important; " +
+                   "--color-brand-blue: " + settings.primaryColor + " !important; " +
+                   "--color-brand-gold: " + settings.primaryColor + " !important; " +
+                   "--color-blue-500: " + settings.primaryColor + " !important; " +
+                   "--color-blue-600: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-500: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-600: " + settings.primaryColor + " !important; " +
+                   "} " +
+                   ".text-brand-blue, .text-blue-600, .group-hover\\:text-blue-600:hover, .text-brand-gold, .text-emerald-600, .text-blue-500, .text-emerald-500 { color: " + settings.primaryColor + " !important; } " +
+                   ".bg-brand-blue, .bg-blue-600, .hover\\:bg-blue-500:hover, .bg-brand-gold, .bg-emerald-600, .bg-blue-500, .bg-emerald-500 { background-color: " + settings.primaryColor + " !important; } " +
+                   ".border-brand-blue, .border-blue-600, .focus\\:border-blue-600:focus, .border-brand-gold, .border-emerald-600, .border-blue-500, .border-emerald-500 { border-color: " + settings.primaryColor + " !important; } " +
+                   ".fill-blue-600, .fill-emerald-600 { fill: " + settings.primaryColor + " !important; }";
+              }
+              if (settings.backgroundColor) {
+                 css += "\n:root { --color-brand-bg: " + settings.backgroundColor + " !important; } body { background-color: " + settings.backgroundColor + " !important; }";
+              }
+              if (settings.fontFamily) {
+                const fontLink = document.getElementById('dynamic-font');
+                const fontName = settings.fontFamily.replace(/ /g, '+');
+                const fontUrl = 'https://fonts.googleapis.com/css2?family=' + fontName + ':wght@300;400;500;600;700&display=swap';
+                if (fontLink) { (fontLink as HTMLLinkElement).href = fontUrl; } else {
+                  const link = document.createElement('link'); link.id = 'dynamic-font'; link.rel = 'stylesheet'; link.href = fontUrl; document.head.appendChild(link);
+                }
+                css += "\n:root { " +
+                  "--font-sans: \"" + settings.fontFamily + "\", sans-serif !important; " +
+                  "--font-serif: \"" + settings.fontFamily + "\", serif !important; " +
+                  "--font-mono: \"" + settings.fontFamily + "\", monospace !important; " +
+                "} * { font-family: \"" + settings.fontFamily + "\", sans-serif !important; }";
+              }
+              let styleNode = document.getElementById('dynamic-theme-style');
+              if (!styleNode) { styleNode = document.createElement('style'); styleNode.id = 'dynamic-theme-style'; document.head.appendChild(styleNode); }
+              styleNode.innerHTML = css;
+          }
+        });
+        window.parent.postMessage({ type: 'IFRAME_READY' }, '*');
+</script>
+</body>
 </html>
 
diff --git a/Template-04/index.html b/Template-04/index.html
index 7826129..c0234a5 100644
--- a/Template-04/index.html
+++ b/Template-04/index.html
@@ -27,6 +27,50 @@
     </script>
     <script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
     <script type="module" src="/src/main.tsx"></script>
-  </body>
+  <script>
+window.addEventListener('message', (event) => {
+          if (event.data && event.data.type === 'UPDATE_APPEARANCE') {
+              const settings = event.data.settings;
+              if (!settings) return;
+              let css = '';
+              if (settings.primaryColor) {
+                 css += "\n:root { " +
+                   "--color-brand-primary: " + settings.primaryColor + " !important; " +
+                   "--color-brand-blue: " + settings.primaryColor + " !important; " +
+                   "--color-brand-gold: " + settings.primaryColor + " !important; " +
+                   "--color-blue-500: " + settings.primaryColor + " !important; " +
+                   "--color-blue-600: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-500: " + settings.primaryColor + " !important; " +
+                   "--color-emerald-600: " + settings.primaryColor + " !important; " +
+                   "} " +
+                   ".text-brand-blue, .text-blue-600, .group-hover\\:text-blue-600:hover, .text-brand-gold, .text-emerald-600, .text-blue-500, .text-emerald-500 { color: " + settings.primaryColor + " !important; } " +
+                   ".bg-brand-blue, .bg-blue-600, .hover\\:bg-blue-500:hover, .bg-brand-gold, .bg-emerald-600, .bg-blue-500, .bg-emerald-500 { background-color: " + settings.primaryColor + " !important; } " +
+                   ".border-brand-blue, .border-blue-600, .focus\\:border-blue-600:focus, .border-brand-gold, .border-emerald-600, .border-blue-500, .border-emerald-500 { border-color: " + settings.primaryColor + " !important; } " +
+                   ".fill-blue-600, .fill-emerald-600 { fill: " + settings.primaryColor + " !important; }";
+              }
+              if (settings.backgroundColor) {
+                 css += "\n:root { --color-brand-bg: " + settings.backgroundColor + " !important; } body { background-color: " + settings.backgroundColor + " !important; }";
+              }
+              if (settings.fontFamily) {
+                const fontLink = document.getElementById('dynamic-font');
+                const fontName = settings.fontFamily.replace(/ /g, '+');
+                const fontUrl = 'https://fonts.googleapis.com/css2?family=' + fontName + ':wght@300;400;500;600;700&display=swap';
+                if (fontLink) { (fontLink as HTMLLinkElement).href = fontUrl; } else {
+                  const link = document.createElement('link'); link.id = 'dynamic-font'; link.rel = 'stylesheet'; link.href = fontUrl; document.head.appendChild(link);
+                }
+                css += "\n:root { " +
+                  "--font-sans: \"" + settings.fontFamily + "\", sans-serif !important; " +
+                  "--font-serif: \"" + settings.fontFamily + "\", serif !important; " +
+                  "--font-mono: \"" + settings.fontFamily + "\", monospace !important; " +
+                "} * { font-family: \"" + settings.fontFamily + "\", sans-serif !important; }";
+              }
+              let styleNode = document.getElementById('dynamic-theme-style');
+              if (!styleNode) { styleNode = document.createElement('style'); styleNode.id = 'dynamic-theme-style'; document.head.appendChild(styleNode); }
+              styleNode.innerHTML = css;
+          }
+        });
+        window.parent.postMessage({ type: 'IFRAME_READY' }, '*');
+</script>
+</body>
 </html>