diff --git a/zed/assets/themes/_base.toml b/zed/assets/themes/_base.toml
index 1beab95ce7..2d0cfd1236 100644
--- a/zed/assets/themes/_base.toml
+++ b/zed/assets/themes/_base.toml
@@ -65,6 +65,11 @@ corner_radius = 6
 border = { color = "#000000", width = 1 }
 background = "$surface.0"
 
+[chat_panel.input_editor_container]
+background = "$surface.1"
+corner_radius = 6
+padding = 6
+
 [chat_panel.input_editor]
 text = "$text.1.color"
 placeholder_text = "$text.2.color"
diff --git a/zed/src/chat_panel.rs b/zed/src/chat_panel.rs
index 8c6b85bbf1..77c5a7777d 100644
--- a/zed/src/chat_panel.rs
+++ b/zed/src/chat_panel.rs
@@ -236,9 +236,14 @@ impl ChatPanel {
     }
 
     fn render_input_box(&self) -> ElementBox {
-        ConstrainedBox::new(ChildView::new(self.input_editor.id()).boxed())
-            .with_max_height(100.)
-            .boxed()
+        let theme = &self.settings.borrow().theme;
+        Container::new(
+            ConstrainedBox::new(ChildView::new(self.input_editor.id()).boxed())
+                .with_max_height(100.)
+                .boxed(),
+        )
+        .with_style(&theme.chat_panel.input_editor_container)
+        .boxed()
     }
 
     fn render_channel_name(
diff --git a/zed/src/theme.rs b/zed/src/theme.rs
index dcbec3ff2d..e15070d818 100644
--- a/zed/src/theme.rs
+++ b/zed/src/theme.rs
@@ -68,6 +68,7 @@ pub struct ChatPanel {
     pub container: ContainerStyle,
     pub message: ChatMessage,
     pub channel_select: ChannelSelect,
+    pub input_editor_container: ContainerStyle,
     pub input_editor: InputEditorStyle,
 }
 
diff --git a/zed/src/workspace/sidebar.rs b/zed/src/workspace/sidebar.rs
index 3d57c96c4f..e415551a8f 100644
--- a/zed/src/workspace/sidebar.rs
+++ b/zed/src/workspace/sidebar.rs
@@ -37,7 +37,7 @@ impl Sidebar {
             side,
             items: Default::default(),
             active_item_ix: None,
-            width: Rc::new(RefCell::new(100.)),
+            width: Rc::new(RefCell::new(200.)),
         }
     }