diff --git a/app/assets/styles/intro.css b/app/assets/styles/intro.css
index 1318a6b..4ffd3f9 100644
--- a/app/assets/styles/intro.css
+++ b/app/assets/styles/intro.css
@@ -6,6 +6,7 @@ body {
     min-height: 100vh;
     background: #000;
     overflow: hidden;
+    font-family: sans;
 }
 
 .glowing {
@@ -117,7 +118,6 @@ body {
     will-change: filter, opacity;
     color: #FFF;
     position: absolute;
-    font-family: sans;
     text-shadow: 3px -3px 5px #C5F7FF;
 }
 
@@ -135,14 +135,54 @@ body {
 #startbtn{
     cursor: default;
     position: absolute;
-    bottom: 25%;
+    bottom: 15vh;
     color: aliceblue;
-    font-family: sans;
     font-style: italic;
     font-size: 40px;
     border-radius: 100px;
     padding: 5px 40px;
-    background: radial-gradient(#282362, #0a8200);
+    background: radial-gradient(#82cc50, #0a8200);
     box-shadow: 2px 2px 10px #BAFFEF, -2px -2px 10px #BAFFEF, -2px 0 10px #BAFFEF, 0 -2px 10px #BAFFEF;
     animation: startbtnanim 5s ease-out forwards;
+}
+
+#startbtn[disabled]{
+    filter: brightness(.3);
+}
+
+#login-dialog{
+    width: 22rem;
+    z-index: 99;
+    border-radius: 2rem;
+    box-shadow: 2px 2px 10px #BAFFEF, -2px -2px 10px #BAFFEF, -2px 0 10px #BAFFEF, 0 -2px 10px #BAFFEF;
+    background: radial-gradient(#82cc50, #0a8200);
+    padding: 2rem 3rem 0 3rem;
+    margin-top: -68vh;
+    opacity: 0;
+    visibility: hidden;
+    transition: opacity 0.5s ease;
+    font-size: 1.3rem;
+}
+#login-dialog.show {
+    opacity: 1;
+    visibility: visible;
+}
+#login-dialog > div{
+    display: grid !important;
+    grid-gap: 10px;
+    grid-template-columns: 7rem 15rem;
+}
+#login-dialog > div{
+    margin-bottom: 1rem;
+}
+#login-dialog input{
+    line-height: 2rem;
+    width: 15rem;
+    border-radius: 5px;
+    border: none;
+    font-size: 1.3rem;
+}
+#login-dialog button{
+    justify-self: end;
+    font-size: 1.3rem;
 }
\ No newline at end of file
diff --git a/app/config/config.json b/app/config/config.json
index 0d5af90..89d6a77 100644
--- a/app/config/config.json
+++ b/app/config/config.json
@@ -30,14 +30,9 @@
     },
     "userLib": {
         "className": "myUser",
-        "authEndpoint": "https://api.dev.eismea.eu/stable/authorizer/checkAuthenticated",
-        "logoutEndpoint": "https://api.dev.eismea.eu/stable/authorizer/logout",
-        "apiDiscoveryEndpoint": "https://api.dev.eismea.eu/stable/apis/services",
-        "resourcePermissionsEndpoint": "https://api.dev.eismea.eu/stable/permissions",
-        "apiStage": "stable",
-        "apiStageExceptions": {                       
-        },
-        "authForwardDomain": true,
+        "checkauthEndpoint": "/api/checkauth",
+        "loginEndpoint": "/api/logout",
+        "logoutEndpoint": "/api/logout",
         "keepAliveSeconds": 0
     },
     "matomo4sparc": {
diff --git a/app/libs/myUser.js b/app/libs/myUser.js
index b100125..cbb1ab8 100755
--- a/app/libs/myUser.js
+++ b/app/libs/myUser.js
@@ -89,23 +89,34 @@ class myUser extends app.LoadedClasses.User {
      * 
      * @param {*} callBack 
      */
-    checkAuthenticated(callBack){
-        let headers = {};
-        if(app.config.userLib.authForwardDomain) {
-            let url = new URL(document.location.href);
-            headers = { 'x-requested-path': url.pathname };
-        }
+    async checkAuthenticated(callBack){
+
+        document.getElementById('startbtn').addEventListener('click', async () => {
+            document.getElementById('startbtn').disabled = true
+            const response = await fetch(app.config.userLib.checkauthEndpoint+'?'+crypto.randomUUID())
+            let payload = null
+            if(response.ok) { payload = await response.json() }
+            if(!payload) {
+                console.error('No valid response from checkauth !?')
+                document.getElementById('startbtn').disabled = false
+            } else if(!payload.authenticated){
+                console.log('==>login',app)
+                document.getElementById('login-dialog').classList.add('show')
+            } else {
+                console.log('authenticated!')
+            }
 
-        document.getElementById('startbtn').addEventListener('click', () => {
-            console.log('====> click')
-            callBack()
         })
-        this.identity = {
-            uuid: 'nike',
-            email: 'info@nicsys.eu'
-        };
-        this.roles = ['admin']
-        this.isAuthenticated = true
+        //     console.log('====> click')
+        //     callBack()
+        // })
+        // this.identity = {
+        //     uuid: 'nike',
+        //     email: 'info@nicsys.eu'
+        // };
+        // this.roles = ['admin']
+        // this.isAuthenticated = true
+
         //setTimeout(callBack, 20000);
         /*
         
diff --git a/app/thirdparty/eicui/eicui-2.0.css b/app/thirdparty/eicui/eicui-2.0.css
index 873b11f..5056fc2 100755
--- a/app/thirdparty/eicui/eicui-2.0.css
+++ b/app/thirdparty/eicui/eicui-2.0.css
@@ -547,6 +547,7 @@
     animation: spin 1.5s linear infinite;
 }
 
+
 body[eicapp] {
     --eicui-body-bg-color: var(--eicui-app-body-bg-color);
     --eicui-body-color: var(--eicui-base-color);
diff --git a/index.html b/index.html
index 47ab791..51970c7 100644
--- a/index.html
+++ b/index.html
@@ -25,6 +25,17 @@
         <span style="--i:3;"></span>
     </div>
     <img src="/app/assets/images/logop42-intro.png" class="logointro"/>
-    <div id="startbtn">START</div>
+    <button id="startbtn">START</button>
+    <div id="login-dialog">
+        <div>
+            <label>Username:</label>
+            <input type="text" name="username"/>
+        </div>
+        <div>
+            <label>Password:</label>
+            <input type="password" name="password"/>
+        </div>
+        <div><span></span><button>GO</button></div>
+    </div>
 </body>
 </html>
\ No newline at end of file