Update app.py

app.py

@@ -312,8 +312,35 @@ with st.sidebar:
     render_with_bold = st.checkbox("Render with Bold Formatting (remove ** markers)", value=True, key="render_with_bold")
     auto_bold_numbers = st.checkbox("Auto Bold Numbered Lines", value=True, key="auto_bold_numbers")
     enlarge_numbered = st.checkbox("Enlarge Font Size for Numbered Lines", value=True, key="enlarge_numbered")
+    # Add AutoColumns option to automatically determine column count based on line length
+    auto_columns = st.checkbox("AutoColumns", value=False, key="auto_columns")
+    
+    # Auto-determine column count based on longest line if AutoColumns is checked
+    if auto_columns:
+        lines = edited_markdown.strip().split('\n')
+        longest_line_words = 0
+        for line in lines:
+            if line.strip():  # Skip empty lines
+                word_count = len(line.split())
+                longest_line_words = max(longest_line_words, word_count)
+        
+        # Set recommended columns based on word count
+        if longest_line_words > 25:
+            recommended_columns = 1  # Very long lines need a single column
+        elif longest_line_words >= 18:
+            recommended_columns = 2  # Long lines need 2 columns
+        elif longest_line_words >= 11:
+            recommended_columns = 3  # Medium lines can use 3 columns
+        else:
+            recommended_columns = "Auto"  # Default to auto for shorter lines
+            
+        st.info(f"Longest line has {longest_line_words} words. Recommending {recommended_columns} columns.")
+    else:
+        recommended_columns = "Auto"
+    
     column_options = ["Auto"] + list(range(1, 7))
-    num_columns = st.selectbox("Number of Columns", options=column_options, index=0)
+    num_columns = st.selectbox("Number of Columns", options=column_options, 
+                              index=0 if recommended_columns == "Auto" else column_options.index(recommended_columns))
     num_columns = 0 if num_columns == "Auto" else int(num_columns)
     st.info("Font size and columns adjust to fit one page.")