Clearer Outline Hierarchy and Visual Structure Update

🔄 Improvements

• Improved branch readability with stronger font size contrast and reduced transcription font size for better focus
  Screenshot

• Images are now aligned to the left and visually match their branch level, making the structure easier to scan at a glance
  Screenshot

• Section content now nests correctly under its section with proper indentation, and highlights cascade to child branches for better context awareness
  Screenshot

✨ New Features

🛠 Fixes

• Fixed: Section selection now consistently highlights related child branches, improving clarity when navigating complex outlines

And other improvements