diff --git a/core/http/react-ui/src/App.css b/core/http/react-ui/src/App.css
index 01528ed7b..649174b1d 100644
--- a/core/http/react-ui/src/App.css
+++ b/core/http/react-ui/src/App.css
@@ -5017,6 +5017,10 @@ select.input {
   }
   .sidebar:not(.open) .sidebar-user-name,
   .sidebar:not(.open) .sidebar-logout-btn { display: none; }
+  /* Center the avatar in the icon rail (mirrors .sidebar.collapsed, which
+     isn't necessarily present in the tablet :not(.open) state). */
+  .sidebar:not(.open) .sidebar-user { justify-content: center; }
+  .sidebar:not(.open) .sidebar-user-link { flex: 0; margin: 0; padding: 2px; }
 
   /* Pinned open: overlay the full sidebar on top of content */
   .sidebar.open {
diff --git a/core/http/react-ui/src/pages/Talk.jsx b/core/http/react-ui/src/pages/Talk.jsx
index f03af37ca..f8e49e102 100644
--- a/core/http/react-ui/src/pages/Talk.jsx
+++ b/core/http/react-ui/src/pages/Talk.jsx
@@ -705,7 +705,7 @@ export default function Talk() {
           )}
           {selectedModelInfo && !selectedModelInfo.self_contained && (
             <div style={{
-              display: 'grid', gridTemplateColumns: 'repeat(4, 1fr)', gap: 'var(--spacing-xs)',
+              display: 'grid', gridTemplateColumns: 'repeat(4, minmax(0, 1fr))', gap: 'var(--spacing-xs)',
               marginBottom: 'var(--spacing-xs)', fontSize: '0.75rem',
             }}>
               {[