diff --git a/src/chap/commands/tui.css b/src/chap/commands/tui.css
index 32011f4..151cb96 100644
--- a/src/chap/commands/tui.css
+++ b/src/chap/commands/tui.css
@@ -58,4 +58,4 @@ Markdown {
     margin: 0 1 0 0;
 }
 
-SubmittableTextArea { height: 3 }
+SubmittableTextArea { height: auto; min-height: 5; margin: 0; border: none; border-left: heavy $primary }
diff --git a/src/chap/commands/tui.py b/src/chap/commands/tui.py
index a1ba4d5..c094667 100644
--- a/src/chap/commands/tui.py
+++ b/src/chap/commands/tui.py
@@ -38,7 +38,7 @@ def pyperclip_copy(data: str) -> None:
 
 class SubmittableTextArea(TextArea):
     BINDINGS = [
-        Binding("f9", "submit", "Submit", show=True),
+        Binding("f9", "app.submit", "Submit", show=True),
         Binding("tab", "focus_next", show=False, priority=True),  # no inserting tabs
     ]
 
@@ -51,10 +51,10 @@ def parser_factory() -> MarkdownIt:
 
 class ChapMarkdown(Markdown, can_focus=True, can_focus_children=False):
     BINDINGS = [
-        Binding("ctrl+y", "yank", "Yank text", show=True),
-        Binding("ctrl+r", "resubmit", "resubmit", show=True),
-        Binding("ctrl+x", "redraft", "redraft", show=True),
-        Binding("ctrl+q", "toggle_history", "history toggle", show=True),
+        Binding("ctrl+c", "app.yank", "Copy text", show=True),
+        Binding("ctrl+r", "app.resubmit", "resubmit", show=True),
+        Binding("ctrl+x", "app.redraft", "redraft", show=True),
+        Binding("ctrl+q", "app.toggle_history", "history toggle", show=True),
     ]
 
 
@@ -75,7 +75,7 @@ class CancelButton(Button):
 class Tui(App[None]):
     CSS_PATH = "tui.css"
     BINDINGS = [
-        Binding("ctrl+c", "quit", "Quit", show=True, priority=True),
+        Binding("ctrl+q", "quit", "Quit", show=True, priority=True),
     ]
 
     def __init__(