Improve account profile and sidebar details

public/styles/layout.css

@@ -560,7 +560,7 @@
   }
 
   /* Logo-Text verstecken im collapsed-Modus */
-  .nav-sidebar__logo > span {
+  .nav-sidebar__brand-text {
     display: none;
   }
 
@@ -665,12 +665,29 @@
     flex-shrink: 0;
   }
 
-  .nav-sidebar__logo > span {
-    display: inline-block;
+  .nav-sidebar__brand-text {
+    display: flex;
+    flex-direction: column;
+    min-width: 0;
+    line-height: 1.1;
+  }
+
+  .nav-sidebar__brand-name {
     font-size: var(--text-lg);
     font-weight: var(--font-weight-bold);
     letter-spacing: -0.3px;
     color: var(--color-text-primary);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .nav-sidebar__version {
+    margin-top: var(--space-0h);
+    font-size: 10px;
+    font-weight: var(--font-weight-medium);
+    letter-spacing: 0.04em;
+    color: var(--color-text-tertiary);
   }
 
   .nav-sidebar__items {