app.py

import gradio as gr
from pathlib import Path

# Path to your custom HTML file
html_path = Path(__file__).parent / "index.html"

# Read your custom HTML content
with open(html_path, "r", encoding="utf-8") as f:
    html_content = f.read()

# Define a simple backend function (optional)
def backend_process(input_text):
    return f"✅ You entered: {input_text}"

# Create Gradio Blocks with HTML as main interface
with gr.Blocks(title="Custom HTML Gradio App") as demo:
    gr.HTML(html_content)  # This loads your index.html content
    
    # Optional — backend I/O (use only if needed)
    with gr.Row():
        input_box = gr.Textbox(label="Enter Something")
        output_box = gr.Textbox(label="Response")
    run_button = gr.Button("Submit")
    
    run_button.click(fn=backend_process, inputs=input_box, outputs=output_box)

# Launch
if __name__ == "__main__":
    demo.launch()