app.py

import gradio as gr

# Define a function that echoes the input text
def echo_text(input_text):
    return input_text

custom_css = """
    .gr-textbox {
        background-color: #f2f2f2;
        color: #333;
        font-size: 16px;
        border: 2px solid #666;
        padding: 10px;
    }
    .gr-textbox:focus {
        border: 2px solid #009688;
    }
"""

iface = gr.Interface(
    fn=echo_text,
    inputs=gr.Textbox(text="Enter text here...", style=custom_css),
    outputs=gr.Textbox(style=custom_css),
    live=True,
    title="Professional Text Echo Interface",
    width=500,
    height=200,
    theme="light"  # You can use "dark" for a dark theme
)

iface.launch()