diff --git a/ui.py b/ui.py
index 1f7993a..3fef931 100644
--- a/ui.py
+++ b/ui.py
@@ -27,10 +27,12 @@ class CursesHandler(logging.Handler):
             fs = "%s\n"
             try:
                 print_colored(self.window, fs % msg, 0)
-                self.window.refresh()
+                self.window.noutrefresh()
+                curses.doupdate()
             except UnicodeError:
                 print_colored(self.window, fs % msg.encode("UTF-8"), 0)
-                self.window.refresh()
+                self.window.noutrefresh()
+                curses.doupdate()
         except (KeyboardInterrupt, SystemExit):
             raise
         except:
@@ -69,8 +71,6 @@ def print_colored(window, message, attributes=0):
         else:
             window.addch(ch, curses.color_pair(color) | (curses.A_BOLD if bold else 0) | attributes)
     
-    window.refresh()
-
 class UIManager:
     """Manages curses windows and display"""
     
@@ -193,7 +193,7 @@ class UIManager:
                             temp_history_index = -1
                             temp_input = ""
                             window.clear()
-                            window.refresh()
+                            window.noutrefresh()
 
                     # Arrow UP - previous command
                     elif key == curses.KEY_UP:
@@ -209,7 +209,7 @@ class UIManager:
                                 cursor_pos = len(current_input)
                                 window.clear()
                                 window.addstr(0, 0, current_input)
-                                window.refresh()
+                                window.noutrefresh()
 
                     # Arrow DOWN - next command
                     elif key == curses.KEY_DOWN:
@@ -226,29 +226,21 @@ class UIManager:
                             cursor_pos = len(current_input)
                             window.clear()
                             window.addstr(0, 0, current_input)
-                            window.refresh()
+                            window.noutrefresh()
 
                     # Arrow LEFT - move cursor left
                     elif key == curses.KEY_LEFT:
                         if cursor_pos > 0:
                             cursor_pos -= 1
                             window.move(0, cursor_pos)
-                            window.refresh()
+                            window.noutrefresh()
                     
                     # Arrow RIGHT - move cursor right
                     elif key == curses.KEY_RIGHT:
                         if cursor_pos < len(current_input):
                             cursor_pos += 1
                             window.move(0, cursor_pos)
-                            window.refresh()
-
-                    # ESC - cancel quit confirmation
-                    elif key == 27:
-                        if quit_confirm:
-                            quit_confirm = False
-                            window.clear()
-                            window.refresh()
-
+                            window.noutrefresh()
 
                     # Backspace
                     elif key in (curses.KEY_BACKSPACE, 127, 8):
@@ -259,7 +251,7 @@ class UIManager:
                             window.clear()
                             window.addstr(0, 0, current_input)
                             window.move(0, cursor_pos)
-                            window.refresh()
+                            window.noutrefresh()
 
                     # Regular character
                     elif 32 <= key <= 126:
@@ -270,7 +262,9 @@ class UIManager:
                         window.clear()
                         window.addstr(0, 0, current_input)
                         window.move(0, cursor_pos)
-                        window.refresh()
+                        window.noutrefresh()
+
+                    curses.doupdate()
 
                 except Exception as e:
                     import logging
@@ -294,6 +288,7 @@ class UIManager:
         """Print formatted message to output window"""
         y, x = curses.getsyx()
         print_colored(self.output_window, message, attributes)
+        self.output_window.noutrefresh()
         curses.setsyx(y, x)
         curses.doupdate()
 
@@ -367,4 +362,4 @@ class UIManager:
         separator = "^7" + "═" * (max_x - 1) + "^7"
         print_colored(self.info_window, separator, 0)
         
-        self.info_window.refresh()
+        self.info_window.noutrefresh()