Refactor status handling: remove status bar widget and update to use footer subtitle for status messages

src/hosts/tui/app.py

@@ -87,9 +87,6 @@ class HostsManagerApp(App):
                     yield Input(placeholder="Enter comment (optional)", id="comment-input")
                     yield Checkbox("Active", id="active-checkbox")
 
-        # Status bar
-        yield Static("", id="status", classes="status-bar")
-
     def on_ready(self) -> None:
         """Called when the app is ready."""
         self.load_hosts_file()
@@ -114,30 +111,18 @@ class HostsManagerApp(App):
             self.update_status(f"❌ Error loading hosts file: {e}")
 
     def update_status(self, message: str = "") -> None:
-        """Update the status bar."""
-        status_widget = self.query_one("#status", Static)
-
+        """Update the footer subtitle with status information."""
         if message:
-            # Check if this is an error message (starts with ❌)
+            # Set temporary status message 
+            self.sub_title = message
             if message.startswith("❌"):
-                # Use error styling for error messages
-                status_widget.remove_class("status-bar")
-                status_widget.add_class("status-error")
-                status_widget.update(message)
                 # Auto-clear error message after 5 seconds
                 self.set_timer(5.0, lambda: self.update_status())
             else:
-                # Use normal styling for regular messages
-                status_widget.remove_class("status-error")
-                status_widget.add_class("status-bar")
-                status_widget.update(message)
-                # Auto-clear regular message after 3 seconds
+                # Auto-clear regular message after 3 seconds  
                 self.set_timer(3.0, lambda: self.update_status())
         else:
             # Reset to normal status display
-            status_widget.remove_class("status-error")
-            status_widget.add_class("status-bar")
-
             mode = "Edit mode" if self.edit_mode else "Read-only mode"
             entry_count = len(self.hosts_file.entries)
             active_count = len(self.hosts_file.get_active_entries())
@@ -149,7 +134,7 @@ class HostsManagerApp(App):
             if file_info["exists"]:
                 status_text += f" | {file_info['path']}"
 
-            status_widget.update(status_text)
+            self.sub_title = status_text
 
     # Event handlers
     def on_data_table_row_highlighted(self, event: DataTable.RowHighlighted) -> None:

src/hosts/tui/styles.py

@@ -34,23 +34,6 @@ HOSTS_MANAGER_CSS = """
     text-style: italic;
 }
 
-.status-bar {
-    background: $surface;
-    color: $text;
-    height: 1;
-    padding: 0 1;
-    dock: bottom;
-}
-
-.status-error {
-    background: $error;
-    color: $text;
-    height: 1;
-    padding: 0 1;
-    text-style: bold;
-    dock: bottom;
-}
-
 /* DataTable styling to match background */
 #entries-table {
     background: $background;