import gradio as gr

def run_analysis(base, d):
    sizes = basin_analysis(base, d)
    out = "Basin Sizes:\n"
    for size, c in sizes:
        out += f"  {size:,} states → Cycle {c[:4]}...\n"
    return out

demo = gr.Interface(
    fn=run_analysis,
    inputs=[gr.Dropdown([8,10,12,16], value=10), gr.Slider(3,7, value=5)],
    outputs=gr.Textbox(),
    title="Kaprekar Basin Explorer",
    description="Live basin sizes + attractors across bases/digits"
)
demo.launch()