diff --git a/aider/io.py b/aider/io.py
index d59dd7b1a..60162fd3a 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -262,6 +262,13 @@ class InputOutput:
         with open(str(filename), "w", encoding=self.encoding) as f:
             f.write(content)
 
+    def rule(self):
+        if self.pretty:
+            style = dict(style=self.user_input_color) if self.user_input_color else dict()
+            self.console.rule(**style)
+        else:
+            print()
+
     def get_input(
         self,
         root,
@@ -271,11 +278,7 @@ class InputOutput:
         abs_read_only_fnames=None,
         edit_format=None,
     ):
-        if self.pretty:
-            style = dict(style=self.user_input_color) if self.user_input_color else dict()
-            self.console.rule(**style)
-        else:
-            print()
+        self.rule()
 
         rel_fnames = list(rel_fnames)
         show = ""
@@ -288,7 +291,7 @@ class InputOutput:
         inp = ""
         multiline_input = False
 
-        if self.user_input_color:
+        if self.user_input_color and self.pretty:
             style = Style.from_dict(
                 {
                     "": self.user_input_color,
@@ -380,8 +383,12 @@ class InputOutput:
             log_file.write(content + "\n")
 
     def user_input(self, inp, log_only=True):
-        if not log_only and self.pretty:
-            style = dict(style=self.user_input_color) if self.user_input_color else dict()
+        if not log_only:
+            if self.pretty and self.user_input_color:
+                style = dict(style=self.user_input_color)
+            else:
+                style = dict()
+
             self.console.print(Text(inp), **style)
 
         prefix = "####"
@@ -527,7 +534,10 @@ class InputOutput:
                 self.append_chat_history(hist, linebreak=True, blockquote=True)
 
         message = Text(message)
-        style = dict(style=self.tool_error_color) if self.tool_error_color else dict()
+        if self.pretty and self.tool_error_color:
+            style = dict(style=self.tool_error_color)
+        else:
+            style = dict()
         self.console.print(message, **style)
 
     def tool_output(self, *messages, log_only=False, bold=False):
@@ -536,12 +546,18 @@ class InputOutput:
             hist = f"{hist.strip()}"
             self.append_chat_history(hist, linebreak=True, blockquote=True)
 
-        if not log_only:
-            messages = list(map(Text, messages))
-            style = dict(color=self.tool_output_color) if self.tool_output_color else dict()
+        if log_only:
+            return
+
+        messages = list(map(Text, messages))
+        style = dict()
+        if self.pretty:
+            if self.tool_output_color:
+                style["color"] = self.tool_output_color
             style["reverse"] = bold
-            style = RichStyle(**style)
-            self.console.print(*messages, style=style)
+
+        style = RichStyle(**style)
+        self.console.print(*messages, style=style)
 
     def append_chat_history(self, text, linebreak=False, blockquote=False, strip=True):
         if blockquote:
diff --git a/aider/main.py b/aider/main.py
index 367286e01..9e9378323 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -398,6 +398,16 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
         editingmode=editing_mode,
     )
 
+    try:
+        io.tool_output()
+        io.rule()
+    except UnicodeEncodeError as err:
+        if io.pretty:
+            io.pretty = False
+            io.tool_error("Terminal does not support pretty output (UnicodeDecodeError)")
+        else:
+            raise err
+
     if args.gui and not return_coder:
         if not check_streamlit_install(io):
             return
@@ -588,7 +598,6 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
     if return_coder:
         return coder
 
-    io.tool_output()
     coder.show_announcements()
 
     if args.show_prompts: