app.py

import gradio as gr
from detector import CustomDetector

# Initialize the detector
detector = CustomDetector()

def detect_text(text):
    """
    Compute the AI-generated text score for the input text.
    Returns a string with the score and classification (AI-generated or human-generated).
    """
    if not text.strip():
        return "Please enter some text."
    
    score = detector.compute_score(text)
    classification = "AI-generated" if score > 0.2 else "human-generated"
    interpretation = (
        f"Score: {score:.4f}\n"
        f"Classification: {classification}\n"
        "Note: Scores above 0.2 indicate AI-generated text; scores below 0.2 indicate human-generated text."
    )
    return interpretation

# Simplified CSS for a clean, modern look without cursor
custom_css = """
/* General styling for a minimalist, clean aesthetic */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #1a1a1a;
    line-height: 1.6;
}

/* Center the Gradio container with flexible width */
.gradio-container {
    max-width: 90%;
    width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* Title styling */
h1 {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

/* Input textbox */
textarea {
    border: 2px solid #e0e0e0 !important;
    border-radius: 8px !important;
    padding: 1rem !important;
    font-size: 1rem !important;
    transition: border-color 0.3s ease !important;
}

textarea:focus {
    border-color: #6c5ce7 !important;
    box-shadow: 0 0 6px rgba(108, 92, 231, 0.2) !important;
}

/* Output textbox */
.output-text {
    background: #f8f9fa !important;
    border-radius: 8px !important;
    padding: 1.5rem !important;
    font-size: 1rem !important;
    color: #2d3436 !important;
    border: 1px solid #dfe6e9 !important;
}

/* Button styling with subtle hover effect */
button {
    background: #6c5ce7 !important;
    color: white !important;
    border: none !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    transition: background 0.2s ease !important;
}

button:hover {
    background: #5a4bc7 !important;
}

/* Ensure content stays within viewport */
html, body {
    overflow-x: visible;
    overflow-y: auto;
}

/* Responsive design */
@media (max-width: 600px) {
    .gradio-container {
        margin: 1rem;
        padding: 1rem;
        width: 95%;
    }
    h1 {
        font-size: 1.8rem;
    }
}
"""

# Set up the Gradio interface
iface = gr.Interface(
    fn=detect_text,
    inputs=gr.Textbox(
        lines=5,
        placeholder="Enter text here to check if it's AI-generated...",
        label="Input Text"
    ),
    outputs=gr.Textbox(label="Detection Result"),
    title="AI-Generated Text Detector",
    description="Enter text to detect if it was generated by an AI model. Powered by a custom detector using tiiuae/falcon-rw-1b.",
    css=custom_css,
    theme=None  # Disable default theme to use custom CSS
)

# Launch the app
if __name__ == "__main__":
    iface.launch()