diff --git a/cli/assets/scripts/design_system.py b/cli/assets/scripts/design_system.py
index 339aaba..f1f714e 100644
--- a/cli/assets/scripts/design_system.py
+++ b/cli/assets/scripts/design_system.py
@@ -16,10 +16,18 @@ Usage:
 import csv
 import json
 import os
+import sys
+import io
 from datetime import datetime
 from pathlib import Path
 from core import search, DATA_DIR
 
+# Force UTF-8 for stdout/stderr to handle emojis/box-drawing chars on Windows (cp1252 default)
+if sys.stdout.encoding and sys.stdout.encoding.lower() != 'utf-8':
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+if sys.stderr.encoding and sys.stderr.encoding.lower() != 'utf-8':
+    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8')
+
 
 # ============ CONFIGURATION ============
 REASONING_FILE = "ui-reasoning.csv"
diff --git a/src/ui-ux-pro-max/scripts/design_system.py b/src/ui-ux-pro-max/scripts/design_system.py
index 339aaba..f1f714e 100644
--- a/src/ui-ux-pro-max/scripts/design_system.py
+++ b/src/ui-ux-pro-max/scripts/design_system.py
@@ -16,10 +16,18 @@ Usage:
 import csv
 import json
 import os
+import sys
+import io
 from datetime import datetime
 from pathlib import Path
 from core import search, DATA_DIR
 
+# Force UTF-8 for stdout/stderr to handle emojis/box-drawing chars on Windows (cp1252 default)
+if sys.stdout.encoding and sys.stdout.encoding.lower() != 'utf-8':
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+if sys.stderr.encoding and sys.stderr.encoding.lower() != 'utf-8':
+    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8')
+
 
 # ============ CONFIGURATION ============
 REASONING_FILE = "ui-reasoning.csv"