app.py

import gradio as gr
import pandas as pd
import matplotlib.pyplot as plt
import io
import google.generativeai as genai
from PIL import Image

def process_file(api_key, file, instructions):
    # ... [keep the existing process_file function identical] ...

# Fixed Gradio interface with compatible theme settings
with gr.Blocks(theme=gr.themes.Default(spacing_size="lg")) as demo:  # Changed from "xl" to "lg"
    gr.Markdown("# **HD Data Visualizer**  📊✨")
    
    with gr.Row():
        api_key = gr.Textbox(label="🔑 Gemini API Key", type="password")
        file = gr.File(label="📁 Upload Dataset", file_types=[".csv", ".xlsx"])
    
    instructions = gr.Textbox(label="💡 Custom Instructions (optional)", 
                            placeholder="E.g.: Focus on time series patterns...")
    submit = gr.Button("🚀 Generate Visualizations", variant="primary")
    
    with gr.Row():
        outputs = [gr.Image(label=f"Visualization {i+1}", width=600) for i in range(3)]

    submit.click(
        process_file,
        inputs=[api_key, file, instructions],
        outputs=outputs
    )

demo.launch()