path correction

src/admin/App.jsx

@@ -100,7 +100,7 @@ function LoginPreview() {
           <h1>Content <span>Manager</span></h1>
           <p>Preview the live website before you sign in. Edits publish instantly after login.</p>
         </div>
-        <a href="/" target="_blank" rel="noopener noreferrer" className="login-preview-link">
+        <a href={BASE} target="_blank" rel="noopener noreferrer" className="login-preview-link">
           <ExternalLink size={14} />
           Open full site
         </a>
@@ -123,7 +123,7 @@ function LoginPreview() {
             style={{ width: previewWidth * scale, height: previewHeight * scale }}
           >
             <iframe
-              src="/"
+              src={BASE}
               title="Website preview"
               className="login-preview-iframe"
               style={{
@@ -422,7 +422,7 @@ export default function App() {
 
     const prefetch = document.createElement('link');
     prefetch.rel = 'prefetch';
-    prefetch.href = '/preview.html';
+    prefetch.href = `${BASE}preview.html`;
     document.head.appendChild(prefetch);
 
     setContentLoading(true);
@@ -542,7 +542,7 @@ export default function App() {
             <p className="admin-topbar-sub">{SECTION_DESCRIPTIONS[activeSection]}</p>
           </div>
           <div className="admin-topbar-actions">
-            <a href="/" target="_blank" rel="noopener noreferrer" className="btn-ghost">
+            <a href={BASE} target="_blank" rel="noopener noreferrer" className="btn-ghost">
               <ExternalLink size={14} />
               View site
             </a>

src/admin/api.js

@@ -1,4 +1,4 @@
-const API_BASE = import.meta.env.VITE_API_URL || '/citpl_website';
+const API_BASE = '';
 
 export function getToken() {
   return localStorage.getItem('admin_token');