diff --git a/web/src/pages/Login.tsx b/web/src/pages/Login.tsx
index 146ef101..2fc3f2d0 100644
--- a/web/src/pages/Login.tsx
+++ b/web/src/pages/Login.tsx
@@ -23,7 +23,12 @@ const Login: React.FC = () => {
   const [rememberMe, setRememberMe] = useState(false);
   const [error, setError] = useState('');
   const [loading, setLoading] = useState(false);
-  
+
+  // Detect embedded WebView (DApps browser) - hide Google OAuth there
+  const isWebView = /wv|WebView/i.test(navigator.userAgent) ||
+    (/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/i.test(navigator.userAgent)) ||
+    (/Android.*Version\/[\d.]+.*Chrome\/[\d.]+ Mobile/i.test(navigator.userAgent) && !/Chrome\/[\d.]+ Mobile Safari/i.test(navigator.userAgent));
+
   const [loginData, setLoginData] = useState({
     email: '',
     password: ''
@@ -382,20 +387,22 @@ const Login: React.FC = () => {
           </div>
           
           <div className="space-y-3">
-            <Button
-              variant="outline"
-              className="w-full border-gray-700 bg-gray-800 hover:bg-gray-700 text-white"
-              onClick={handleGoogleSignIn}
-              disabled={loading}
-            >
-              <svg className="mr-2 h-4 w-4" viewBox="0 0 24 24">
-                <path fill="#4285F4" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92a5.06 5.06 0 0 1-2.2 3.32v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.1z" />
-                <path fill="#34A853" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z" />
-                <path fill="#FBBC05" d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z" />
-                <path fill="#EA4335" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z" />
-              </svg>
-              {t('login.googleSignIn', 'Continue with Google')}
-            </Button>
+            {!isWebView && (
+              <Button
+                variant="outline"
+                className="w-full border-gray-700 bg-gray-800 hover:bg-gray-700 text-white"
+                onClick={handleGoogleSignIn}
+                disabled={loading}
+              >
+                <svg className="mr-2 h-4 w-4" viewBox="0 0 24 24">
+                  <path fill="#4285F4" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92a5.06 5.06 0 0 1-2.2 3.32v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.1z" />
+                  <path fill="#34A853" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z" />
+                  <path fill="#FBBC05" d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z" />
+                  <path fill="#EA4335" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z" />
+                </svg>
+                {t('login.googleSignIn', 'Continue with Google')}
+              </Button>
+            )}
 
             <Button
               variant="outline"