diff --git a/git_time_machine.py b/git_time_machine.py
index c411858..50af4e9 100644
--- a/git_time_machine.py
+++ b/git_time_machine.py
@@ -36,24 +36,24 @@ def main(stdscr, filename):
         scroll_offset = min(scroll_offset, max_scroll)
         visible_lines = file_lines[scroll_offset:scroll_offset + height - 1]
 
-        # Draw commit list
+        # Draw commit list (left pane)
         for i in range(min(len(commits), height - 1)):
             line = commits[i]
-            if i == selected_commit and focus == "left":
-                stdscr.attron(curses.A_REVERSE)
+            if i == selected_commit:
+                stdscr.attron(curses.A_REVERSE)  # Highlight selected commit
             stdscr.addnstr(i, 0, line, divider_col - 1)
-            if i == selected_commit and focus == "left":
+            if i == selected_commit:
                 stdscr.attroff(curses.A_REVERSE)
 
         # Vertical divider
         for y in range(height):
             stdscr.addch(y, divider_col, '│')
 
-        # File content
+        # Draw file content (right pane)
         for i, line in enumerate(visible_lines):
             stdscr.addnstr(i, divider_col + 2, line, width - divider_col - 3)
 
-        # Status bar for right pane
+        # Status bar for right pane (line N/M)
         status = f"line {scroll_offset + 1}/{len(file_lines)}"
         stdscr.addnstr(height - 1, divider_col + 2, status, width - divider_col - 3, curses.A_DIM)
 
@@ -91,9 +91,9 @@ def main(stdscr, filename):
             elif key in [curses.KEY_UP, ord('k')]:
                 if scroll_offset > 0:
                     scroll_offset -= 1
-            elif key == curses.KEY_NPAGE:  # Page Down
+            elif key in [curses.KEY_NPAGE, ord(' ')]:
                 scroll_offset = min(scroll_offset + height - 1, max_scroll)
-            elif key == curses.KEY_PPAGE:  # Page Up
+            elif key in [curses.KEY_PPAGE, 8, 127]:  # Page Up or Shift+Space (some terminals)
                 scroll_offset = max(0, scroll_offset - (height - 1))
 
         # Pane switching