Update app.py

app.py

@@ -9,6 +9,9 @@ import re
 import fitz  # PyMuPDF
 from PIL import Image
 
+# Set page config for wide layout and collapsed sidebar
+st.set_page_config(layout="wide", initial_sidebar_state="collapsed")
+
 # Initial markdown content
 default_markdown = """# Cutting-Edge ML Outline
 
@@ -249,16 +252,12 @@ def create_main_pdf(markdown_text, base_font_size=10, auto_size=False):
     buffer.seek(0)
     return buffer.getvalue()
 
-# Function to convert PDF bytes to image using fitz (from backup.03302025-720pm.app.py)
+# Function to convert PDF bytes to image using fitz
 def pdf_to_image(pdf_bytes):
     try:
-        # Open PDF from bytes
         doc = fitz.open(stream=pdf_bytes, filetype="pdf")
-        # Get the first page
         page = doc[0]
-        # Render page to pixmap with a zoom factor for clarity
         pix = page.get_pixmap(matrix=fitz.Matrix(2.0, 2.0))  # 2x zoom
-        # Convert to PIL Image
         img = Image.frombytes("RGB", [pix.width, pix.height], pix.samples)
         doc.close()
         return img
@@ -266,12 +265,8 @@ def pdf_to_image(pdf_bytes):
         st.error(f"Failed to render PDF preview: {e}")
         return None
 
-# Streamlit UI
-st.title("🚀 Cutting-Edge ML Outline Generator")
-
-# Sidebar for settings
+# Sidebar for settings (collapsed by default)
 with st.sidebar:
-    st.header("PDF Settings")
     auto_size = st.checkbox("Auto-size text", value=True)
     if not auto_size:
         base_font_size = st.slider("Base Font Size (points)", min_value=6, max_value=16, value=10, step=1)
@@ -287,13 +282,13 @@ if 'markdown_content' not in st.session_state:
 with st.spinner("Generating PDF..."):
     pdf_bytes = create_main_pdf(st.session_state.markdown_content, base_font_size, auto_size)
 
-# Display PDF preview using fitz
-st.subheader("PDF Preview")
-pdf_image = pdf_to_image(pdf_bytes)
-if pdf_image:
-    st.image(pdf_image, caption="PDF Page 1", use_container_width=True)
-else:
-    st.info("Download the PDF to view it locally.")
+# Display PDF preview in a full-width container
+with st.container():
+    pdf_image = pdf_to_image(pdf_bytes)
+    if pdf_image:
+        st.image(pdf_image, use_column_width=True)
+    else:
+        st.info("Download the PDF to view it locally.")
 
 # Download button
 st.download_button(
@@ -304,7 +299,6 @@ st.download_button(
 )
 
 # Markdown editor
-st.subheader("Edit Markdown Outline")
 edited_markdown = st.text_area(
     "Modify the markdown content below:",
     value=st.session_state.markdown_content,