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| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>AI Chatbot - Chat with GPT-2</title> | |
| <style> | |
| * { margin: 0; padding: 0; box-sizing: border-box; } | |
| body { | |
| font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; | |
| background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%); | |
| min-height: 100vh; | |
| padding: 20px; | |
| display: flex; | |
| flex-direction: column; | |
| } | |
| .container { | |
| max-width: 800px; | |
| margin: 0 auto; | |
| width: 100%; | |
| display: flex; | |
| flex-direction: column; | |
| height: calc(100vh - 40px); | |
| } | |
| header { | |
| text-align: center; | |
| color: white; | |
| padding: 20px 0; | |
| } | |
| h1 { | |
| font-size: 2rem; | |
| font-weight: 700; | |
| text-shadow: 2px 2px 4px rgba(0,0,0,0.2); | |
| margin-bottom: 5px; | |
| } | |
| .subtitle { | |
| opacity: 0.9; | |
| font-size: 1rem; | |
| } | |
| .chat-container { | |
| flex: 1; | |
| background: white; | |
| border-radius: 16px; | |
| box-shadow: 0 20px 60px rgba(0,0,0,0.3); | |
| display: flex; | |
| flex-direction: column; | |
| overflow: hidden; | |
| } | |
| .messages { | |
| flex: 1; | |
| overflow-y: auto; | |
| padding: 20px; | |
| display: flex; | |
| flex-direction: column; | |
| gap: 15px; | |
| } | |
| .message { | |
| max-width: 80%; | |
| padding: 12px 16px; | |
| border-radius: 12px; | |
| word-wrap: break-word; | |
| animation: slideIn 0.3s ease; | |
| } | |
| @keyframes slideIn { | |
| from { opacity: 0; transform: translateY(10px); } | |
| to { opacity: 1; transform: translateY(0); } | |
| } | |
| .message.user { | |
| align-self: flex-end; | |
| background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%); | |
| color: white; | |
| border-bottom-right-radius: 4px; | |
| } | |
| .message.ai { | |
| align-self: flex-start; | |
| background: #f3f4f6; | |
| color: #1f2937; | |
| border-bottom-left-radius: 4px; | |
| } | |
| .message.ai::before { | |
| content: '🤖 '; | |
| } | |
| .message.user::before { | |
| content: '👤 '; | |
| } | |
| .typing-indicator { | |
| align-self: flex-start; | |
| padding: 12px 16px; | |
| background: #f3f4f6; | |
| border-radius: 12px; | |
| border-bottom-left-radius: 4px; | |
| display: none; | |
| } | |
| .typing-indicator.show { | |
| display: block; | |
| } | |
| .typing-indicator span { | |
| height: 8px; | |
| width: 8px; | |
| background: #9ca3af; | |
| border-radius: 50%; | |
| display: inline-block; | |
| margin: 0 2px; | |
| animation: bounce 1.4s infinite ease-in-out; | |
| } | |
| .typing-indicator span:nth-child(1) { animation-delay: -0.32s; } | |
| .typing-indicator span:nth-child(2) { animation-delay: -0.16s; } | |
| @keyframes bounce { | |
| 0%, 80%, 100% { transform: scale(0); } | |
| 40% { transform: scale(1); } | |
| } | |
| .input-area { | |
| padding: 20px; | |
| border-top: 1px solid #e5e7eb; | |
| background: #fafafa; | |
| } | |
| .input-container { | |
| display: flex; | |
| gap: 10px; | |
| } | |
| #messageInput { | |
| flex: 1; | |
| padding: 12px 16px; | |
| border: 2px solid #e5e7eb; | |
| border-radius: 24px; | |
| font-size: 1rem; | |
| outline: none; | |
| transition: border-color 0.2s; | |
| } | |
| #messageInput:focus { | |
| border-color: #3b82f6; | |
| } | |
| #sendBtn { | |
| padding: 12px 24px; | |
| background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%); | |
| color: white; | |
| border: none; | |
| border-radius: 24px; | |
| font-weight: 600; | |
| cursor: pointer; | |
| transition: all 0.2s; | |
| } | |
| #sendBtn:hover { | |
| transform: translateY(-2px); | |
| box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3); | |
| } | |
| #sendBtn:disabled { | |
| opacity: 0.5; | |
| cursor: not-allowed; | |
| transform: none; | |
| } | |
| .clear-btn { | |
| text-align: center; | |
| padding: 10px; | |
| border-top: 1px solid #e5e7eb; | |
| background: #fafafa; | |
| } | |
| .clear-btn button { | |
| padding: 8px 16px; | |
| background: transparent; | |
| color: #6b7280; | |
| border: 1px solid #d1d5db; | |
| border-radius: 8px; | |
| font-size: 0.875rem; | |
| cursor: pointer; | |
| transition: all 0.2s; | |
| } | |
| .clear-btn button:hover { | |
| background: #f3f4f6; | |
| color: #374151; | |
| } | |
| .empty-state { | |
| text-align: center; | |
| color: #9ca3af; | |
| padding: 40px 20px; | |
| } | |
| .empty-state h3 { | |
| font-size: 1.5rem; | |
| margin-bottom: 10px; | |
| } | |
| @media (max-width: 640px) { | |
| h1 { font-size: 1.5rem; } | |
| .message { max-width: 90%; } | |
| #sendBtn { padding: 12px 20px; } | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <header> | |
| <h1>💬 AI Chatbot</h1> | |
| <p class="subtitle">Chat with fine-tuned GPT-2</p> | |
| </header> | |
| <div class="chat-container"> | |
| <div class="messages" id="messages"> | |
| <div class="empty-state"> | |
| <h3>👋 Hello!</h3> | |
| <p>Start a conversation by typing a message below</p> | |
| </div> | |
| </div> | |
| <div class="clear-btn"> | |
| <button id="clearBtn">Clear Chat</button> | |
| </div> | |
| <div class="input-area"> | |
| <div class="input-container"> | |
| <input type="text" id="messageInput" placeholder="Type your message..." autocomplete="off"> | |
| <button id="sendBtn">Send</button> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <script> | |
| const messagesDiv = document.getElementById('messages'); | |
| const messageInput = document.getElementById('messageInput'); | |
| const sendBtn = document.getElementById('sendBtn'); | |
| const clearBtn = document.getElementById('clearBtn'); | |
| let conversationHistory = { user: [], ai: [] }; | |
| function addMessage(text, isUser) { | |
| const emptyState = messagesDiv.querySelector('.empty-state'); | |
| if (emptyState) emptyState.remove(); | |
| const messageDiv = document.createElement('div'); | |
| messageDiv.className = `message ${isUser ? 'user' : 'ai'}`; | |
| messageDiv.textContent = text; | |
| messagesDiv.appendChild(messageDiv); | |
| messagesDiv.scrollTop = messagesDiv.scrollHeight; | |
| } | |
| function showTyping() { | |
| const typing = document.createElement('div'); | |
| typing.className = 'typing-indicator show'; | |
| typing.id = 'typing'; | |
| typing.innerHTML = '<span></span><span></span><span></span>'; | |
| messagesDiv.appendChild(typing); | |
| messagesDiv.scrollTop = messagesDiv.scrollHeight; | |
| } | |
| function hideTyping() { | |
| const typing = document.getElementById('typing'); | |
| if (typing) typing.remove(); | |
| } | |
| async function sendMessage() { | |
| const message = messageInput.value.trim(); | |
| if (!message) return; | |
| addMessage(message, true); | |
| conversationHistory.user.push(message); | |
| messageInput.value = ''; | |
| sendBtn.disabled = true; | |
| messageInput.disabled = true; | |
| showTyping(); | |
| try { | |
| const response = await fetch('/chat', { | |
| method: 'POST', | |
| headers: { 'Content-Type': 'application/json' }, | |
| body: JSON.stringify(conversationHistory) | |
| }); | |
| if (!response.ok) throw new Error('Failed to get response'); | |
| const data = await response.json(); | |
| hideTyping(); | |
| const aiResponse = data.response || 'Sorry, I could not generate a response.'; | |
| addMessage(aiResponse, false); | |
| conversationHistory.ai.push(aiResponse); | |
| } catch (error) { | |
| hideTyping(); | |
| addMessage('Sorry, something went wrong. Please try again.', false); | |
| conversationHistory.user.pop(); // Remove last user message on error | |
| } finally { | |
| sendBtn.disabled = false; | |
| messageInput.disabled = false; | |
| messageInput.focus(); | |
| } | |
| } | |
| sendBtn.addEventListener('click', sendMessage); | |
| messageInput.addEventListener('keypress', (e) => { | |
| if (e.key === 'Enter') sendMessage(); | |
| }); | |
| clearBtn.addEventListener('click', () => { | |
| messagesDiv.innerHTML = '<div class="empty-state"><h3>👋 Hello!</h3><p>Start a conversation by typing a message below</p></div>'; | |
| conversationHistory = { user: [], ai: [] }; | |
| messageInput.value = ''; | |
| messageInput.focus(); | |
| }); | |
| messageInput.focus(); | |
| </script> | |
| </body> | |
| </html> | |