lobehub/sd-webui-lobe-theme ? reverse-engineered prompt

Build me a modern theme for Stable Diffusion WebUI that makes the whole app feel cleaner and easier to use.

I want a polished interface with both light and dark mode, a simple way to switch between them, and a settings panel where I can customize the look and feel. Let me change the main accent color, neutral colors, logo, and site title, and make sure logo uploads can use an image link, base64, or even an emoji. Please also add prompt text highlighting so prompts are easier to read while typing, and make the sidebar more useful and flexible for a smoother workflow.

It should feel like a real upgrade to the default WebUI, with an elegant design, good spacing, and practical features that help people work faster without making the app complicated. If you need to check current Stable Diffusion WebUI or Gradio docs online, go ahead and use them.