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Kimi-K2Thinking
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import gradio as gr
from huggingface_hub import InferenceClient
import os

# ============================================
# Kimi-K2-Thinking Streaming Chat
# Provider: Novita (HuggingFace)
# Gradio 6.0 Compatible - Full Width Layout
# ============================================

# Initialize Novita Client
client = InferenceClient(
    provider="novita",
    api_key=os.environ.get("HF_TOKEN"),
)

def chat_stream(messages):
    """Streaming via Novita provider"""
    stream = client.chat.completions.create(
        model="moonshotai/Kimi-K2-Thinking",
        messages=messages,
        max_tokens=4096,
        temperature=0.7,
        top_p=0.95,
        stream=True
    )
    
    for chunk in stream:
        if chunk.choices and len(chunk.choices) > 0:
            delta = chunk.choices[0].delta
            if hasattr(delta, 'content') and delta.content:
                yield delta.content

def chat_respond(message, history):
    """
    Streaming chat
    Gradio 6.0 messages format: [{"role": "user/assistant", "content": "..."}]
    """
    if not message.strip():
        return history
    
    # Build API messages
    api_messages = [{
        "role": "system",
        "content": "You are Kimi-K2-Thinking, a helpful AI assistant built by Moonshot AI. You excel at deep reasoning, coding, and complex problem solving. Respond in the same language as the user."
    }]
    
    # Add history (Gradio 6.0 messages format)
    for h in history:
        if isinstance(h, dict):
            api_messages.append({"role": h.get("role", "user"), "content": h.get("content", "")})
    
    api_messages.append({"role": "user", "content": message})
    
    response_text = ""
    
    try:
        for chunk in chat_stream(api_messages):
            response_text += chunk
            new_history = history + [
                {"role": "user", "content": message},
                {"role": "assistant", "content": response_text}
            ]
            yield new_history
    except Exception as e:
        new_history = history + [
            {"role": "user", "content": message},
            {"role": "assistant", "content": f"Error: {str(e)}"}
        ]
        yield new_history

def clear_chat_fn():
    """Clear chat history"""
    return [], ""

# ============================================
# Comic Classic Theme CSS
# ============================================
css = """
@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Comic+Neue:wght@400;700&display=swap');

.gradio-container {
    background-color: #FEF9C3 !important;
    background-image: radial-gradient(#1F2937 1px, transparent 1px) !important;
    background-size: 20px 20px !important;
    min-height: 100vh !important;
    font-family: 'Comic Neue', cursive, sans-serif !important;
}

.huggingface-space-header, #space-header, .space-header, [class*="space-header"] {
    display: none !important;
}

footer, .footer, .gradio-footer, .built-with-gradio {
    display: none !important;
}

.header-text h1 {
    font-family: 'Bangers', cursive !important;
    color: #1F2937 !important;
    font-size: 3.5rem !important;
    text-align: center !important;
    text-shadow: 4px 4px 0px #FACC15, 6px 6px 0px #1F2937 !important;
    letter-spacing: 3px !important;
    -webkit-text-stroke: 2px #1F2937 !important;
}

.subtitle {
    text-align: center !important;
    font-family: 'Comic Neue', cursive !important;
    font-size: 1.2rem !important;
    color: #1F2937 !important;
    font-weight: 700 !important;
}

.gr-panel, .gr-box, .block, .gr-group {
    background: #FFFFFF !important;
    border: 3px solid #1F2937 !important;
    border-radius: 8px !important;
    box-shadow: 6px 6px 0px #1F2937 !important;
}

textarea, input[type="text"] {
    background: #FFFFFF !important;
    border: 3px solid #1F2937 !important;
    border-radius: 8px !important;
    color: #1F2937 !important;
    font-family: 'Comic Neue', cursive !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
}

textarea:focus, input[type="text"]:focus {
    border-color: #3B82F6 !important;
    box-shadow: 4px 4px 0px #3B82F6 !important;
    outline: none !important;
}

.gr-button-primary, button.primary {
    background: #3B82F6 !important;
    border: 3px solid #1F2937 !important;
    border-radius: 8px !important;
    color: #FFFFFF !important;
    font-family: 'Bangers', cursive !important;
    font-size: 1.3rem !important;
    letter-spacing: 2px !important;
    padding: 14px 28px !important;
    box-shadow: 5px 5px 0px #1F2937 !important;
    text-shadow: 1px 1px 0px #1F2937 !important;
}

.gr-button-primary:hover, button.primary:hover {
    background: #2563EB !important;
    transform: translate(-2px, -2px) !important;
    box-shadow: 7px 7px 0px #1F2937 !important;
}

.gr-button-secondary, button.secondary {
    background: #EF4444 !important;
    border: 3px solid #1F2937 !important;
    border-radius: 8px !important;
    color: #FFFFFF !important;
    font-family: 'Bangers', cursive !important;
    font-size: 1.1rem !important;
    box-shadow: 4px 4px 0px #1F2937 !important;
}

.gr-button-secondary:hover, button.secondary:hover {
    background: #DC2626 !important;
    transform: translate(-2px, -2px) !important;
}

.chatbot {
    border: 3px solid #1F2937 !important;
    border-radius: 12px !important;
    box-shadow: 6px 6px 0px #1F2937 !important;
    background: #FFFFFF !important;
}

pre, code {
    background: #1F2937 !important;
    color: #10B981 !important;
    border: 2px solid #10B981 !important;
    border-radius: 6px !important;
    font-family: 'Courier New', monospace !important;
}

::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: #FEF9C3; border: 2px solid #1F2937; }
::-webkit-scrollbar-thumb { background: #3B82F6; border: 2px solid #1F2937; }
::-webkit-scrollbar-thumb:hover { background: #EF4444; }

@media (max-width: 768px) {
    .header-text h1 { font-size: 2.2rem !important; }
}
"""

# ============================================
# Gradio Interface - Full Width Layout
# ============================================
with gr.Blocks(fill_height=True) as demo:
    
    # Inject CSS via HTML
    gr.HTML(f"<style>{css}</style>")
    
    # HOME Badge
    gr.HTML("""
        <div style="text-align: center; margin: 20px 0 10px 0;">
            <a href="https://www.humangen.ai" target="_blank" style="text-decoration: none;">
                <img src="https://img.shields.io/static/v1?label=HOME&message=HUMANGEN.AI&color=0000ff&labelColor=ffcc00&style=for-the-badge" alt="HOME">
            </a>
        </div>
    """)
    
    # Header Title
    gr.Markdown("""# Kimi-K2-Thinking CHAT""", elem_classes="header-text")
    gr.Markdown("""<p class="subtitle">Moonshot AI's Advanced Reasoning Model - Deep Thinking and Complex Problem Solving</p>""")
    
    # Model Info Box
    gr.HTML("""
        <div style="background: linear-gradient(135deg, #EC4899 0%, #F97316 100%); border: 3px solid #1F2937; border-radius: 12px; padding: 15px; color: white; box-shadow: 5px 5px 0px #1F2937; margin: 0 auto 20px auto; max-width: 1200px;">
            <div style="display: flex; justify-content: space-around; flex-wrap: wrap; text-align: center;">
                <div><strong style="font-size: 1.5rem;">Kimi-K2</strong><br><span style="font-size: 0.9rem;">Model</span></div>
                <div><strong style="font-size: 1.5rem;">Moonshot AI</strong><br><span style="font-size: 0.9rem;">Developer</span></div>
                <div><strong style="font-size: 1.5rem;">Thinking</strong><br><span style="font-size: 0.9rem;">Mode</span></div>
                <div><strong style="font-size: 1.5rem;">Novita</strong><br><span style="font-size: 0.9rem;">Provider</span></div>
            </div>
        </div>
    """)
    
    # Chatbot - Full Width
    chatbot = gr.Chatbot(
        label="Chat",
        height=500,
        show_label=False,
        elem_classes="chatbot"
    )
    
    # Input Row
    with gr.Row():
        msg = gr.Textbox(
            label="",
            placeholder="Enter your message... (coding, analysis, creative writing, anything!)",
            scale=8,
            container=False
        )
        submit_btn = gr.Button("SEND", variant="primary", scale=2)
    
    # Clear Button
    clear_btn = gr.Button("CLEAR CHAT", variant="secondary")
    
    # Event Handlers
    def respond(message, history):
        if not message.strip():
            yield history
            return
        for result in chat_respond(message, history):
            yield result
    
    # Connect events
    msg.submit(respond, [msg, chatbot], [chatbot]).then(
        lambda: "", outputs=[msg]
    )
    submit_btn.click(respond, [msg, chatbot], [chatbot]).then(
        lambda: "", outputs=[msg]
    )
    clear_btn.click(clear_chat_fn, outputs=[chatbot, msg])

if __name__ == "__main__":
    demo.launch(ssr_mode=False)