2 files changed, 3 insertions, 2 deletions
diff --git a/packages/ui/src/components/session-message-rail.css b/packages/ui/src/components/session-message-rail.css
index 03f0bb3ef..0e7ab96a1 100644
--- a/packages/ui/src/components/session-message-rail.css
+++ b/packages/ui/src/components/session-message-rail.css
@@ -17,7 +17,7 @@
   display: none;
 }
 
-@container (min-width: 72rem) {
+@container (min-width: 84.75rem) {
   [data-slot="session-message-rail-compact"] {
     display: none;
   }
@@ -32,7 +32,7 @@
 
 [data-component="session-message-rail"][data-wide] [data-slot="session-message-rail-full"] {
   margin-top: 0.125rem;
-  left: calc(((100% - min(100%, 36.5rem)) / 2) - 1.5rem);
+  left: calc(((100% - min(100%, 800px)) / 2) - 1.5rem);
   transform: translateX(-100%);
 }
 
diff --git a/packages/ui/src/components/session-turn.css b/packages/ui/src/components/session-turn.css
index 4b8a44723..ba9f97ad2 100644
--- a/packages/ui/src/components/session-turn.css
+++ b/packages/ui/src/components/session-turn.css
@@ -27,6 +27,7 @@
     align-items: flex-start;
     align-self: stretch;
     min-width: 0;
+    max-width: 800px;
     gap: clamp(8px, calc(42px - var(--scroll-y) * 0.48), 42px);
     overflow-anchor: none;
   }