# app.py
import gradio as gr


# --------------------------------------------------------------
# ⚙️ Простейшая функция
# --------------------------------------------------------------
def say_hello():
    return "👋 Hello, world!"


# --------------------------------------------------------------
# 🧱 Интерфейс Gradio
# --------------------------------------------------------------
with gr.Blocks(theme=gr.themes.Soft(), title="Simple UI") as demo:
    gr.Markdown("## 🧩 Minimal Gradio App\nНажми кнопку, чтобы вывести текст.")

    with gr.Row():
        with gr.Column(scale=1):
            btn = gr.Button("Показать сообщение", variant="primary")
        with gr.Column(scale=2):
            output = gr.Textbox(label="Результат", lines=2)

    btn.click(say_hello, inputs=None, outputs=output)

demo.launch(server_name="0.0.0.0", server_port=7860)