Modern AI Chat Interface
app_builder
Lovable
scaffolding
zen
Beautiful chat UI with streaming responses, code highlighting, file uploads, and conversation management.
By chris_d
12/8/2025
Prompt
Build a stunning AI chat interface with Lovable that rivals ChatGPT and Claude:
Main Chat Interface
Chat Container
- Full-height layout: Fills viewport
- 3-column layout: Sidebar, Chat, Panel (optional)
- Responsive: Collapses on mobile
- Dark/Light theme: Smooth toggle
Sidebar (Left Panel)
Header
- App logo & name
- New chat button: + icon, prominent placement
- User menu: Avatar dropdown
Conversation List
- Recent chats: Scrollable list
- Chat preview:
- Title (first message or custom name)
- Timestamp
- Message snippet (2 lines max)
- Unread indicator if applicable
- Active state: Highlighted current chat
- Hover actions:
- Rename (pencil icon)
- Delete (trash icon)
- Archive (box icon)
- Search conversations: Filter by content
- Grouped by date: Today, Yesterday, Last 7 Days, Older
Chat Organization
- Folders/Categories:
- Work
- Personal
- Research
- Archived
- Drag & drop: Move chats to folders
- Star favorites: Quick access section
Main Chat Area (Center)
Chat Header
- Conversation title: Editable inline
- Model selector: Dropdown (GPT-4, Claude, Gemini)
- Settings: Temperature, max tokens controls
- Actions: Share, Export, Delete chat
Message List
- Auto-scroll: To latest message
- Infinite scroll: Load older messages on scroll up
- Date dividers: "Today", "Yesterday", timestamps
Message Bubbles
User Messages (Right-aligned):
- Your message text
- Timestamp (smaller, gray)
- Edit button (on hover)
- Regen button (request new response)
Assistant Messages (Left-aligned):
- AI avatar with model icon
- Streaming text animation (word-by-word or letter-by-letter)
- Markdown rendering:
- Headers, lists, tables
- Code blocks with syntax highlighting
- Math equations (LaTeX)
- Images (inline display)
- Action buttons:
- Copy (clipboard icon)
- Regenerate (refresh icon)
- Good/Bad feedback (thumbs up/down)
- Edit prompt
- Code blocks:
- Language label at top
- Line numbers
- Copy button
- Syntax highlighting (Prism.js or Highlight.js)
- Optional: Run code button
Message Input Area (Bottom)
Input Box:
- Multi-line textarea: Expands as you type
- Placeholder: "Message AI..." with helpful hints
- Rich text support: Bold, italic, code (optional)
- Attach files: Paperclip icon
- Image preview thumbnails
- PDF preview
- Max file size indicator
- Voice input: Microphone button (speech-to-text)
- Send button: Large, always visible
- Disabled until text entered
- Loading spinner when waiting
- Submit on Cmd/Ctrl + Enter
Quick Actions Row (Above input):
- Prompt suggestions: Chips with common prompts
- "Explain this code"
- "Write an email"
- "Summarize this"
- "Help me debug"
- Model switcher: Quick access
- Attach context: Upload documents
Character/Token Counter:
- Show remaining tokens
- Warning when approaching limit
Right Panel (Optional, Collapsible)
Context Panel
- Uploaded files: List with previews
- Current conversation context: Token usage
- Web search results: If enabled
- Related documents: Suggestions
Tools & Plugins
- Web search: Toggle on/off
- Code interpreter: Run Python code
- Image generation: DALL-E integration
- File analysis: Parse PDFs, spreadsheets
- Custom tools: API integrations
Special Features
Streaming Responses
- Word-by-word animation: Smooth typewriter effect
- Stop generation: X button to halt mid-response
- Continue button: If response was cut off
- Cursor blinking: Shows AI is "typing"
Code Execution
- Run code button: For Python, JavaScript
- Output display: Console below code block
- Error handling: Red error messages
- Variable inspector: See variable values
Multi-modal Support
- Image input: Drag & drop images into chat
- Image generation: Display generated images in chat
- PDF viewer: Inline PDF display with annotations
- Audio playback: For TTS responses
Conversation Branching
- Fork conversation: Start new branch from any message
- Branch visualization: Tree view of conversation paths
- Switch branches: Navigate between forks
Collaboration Features
- Share conversation: Generate public link
- Collaborate in real-time: Multiple users in same chat
- Comments: Add notes to specific messages
- Export: Markdown, PDF, JSON formats
Settings Modal
General
- Default model: Select preferred AI
- Theme: Light, Dark, Auto
- Font size: Adjust readability
- Send on Enter: Toggle Cmd+Enter requirement
AI Behavior
- Temperature: Slider (0-1)
- Max tokens: Number input
- System prompt: Custom instructions
- Memory: Enable conversation context
Integrations
- API keys: For different AI providers
- Connected apps: Notion, Google Drive, Slack
- Webhooks: Send chat logs
Privacy
- Data retention: How long to keep chats
- Analytics opt-out: Disable tracking
- Clear history: Delete all conversations
Animations & Polish
Message Animations
- Messages slide in: From bottom
- Typing indicator: 3 animated dots
- Fade in/out: Smooth transitions
- Scroll behavior: Smooth auto-scroll
- Highlight: Flash new message briefly
Loading States
- Skeleton screens: While loading chats
- Progress bar: File upload progress
- Shimmer effect: On loading messages
- Pulse: Waiting for response
Micro-interactions
- Button hover effects: Scale, glow
- Message hover: Show action buttons
- Sidebar hover: Reveal chat actions
- Copy animation: Checkmark replaces icon
- Send button: Particle effect on click
Mobile Optimization
Mobile UI
- Full-screen chat: No sidebars by default
- Swipe gestures:
- Swipe right: Open sidebar
- Swipe left: Close sidebar
- Swipe down: Dismiss keyboard
- Bottom nav: New chat, History, Settings
- Floating action button: New chat (bottom-right)
- Sticky input: Always visible at bottom
- Touch-friendly: 44x44px minimum tap targets
Mobile-Specific Features
- Voice input: More prominent on mobile
- Camera access: Take photo to send
- Haptic feedback: On send, copy
- Pull to refresh: Update conversation
Technical Stack
Core Components
- shadcn/ui: UI components
- Framer Motion: Animations
- React Markdown: Message rendering
- Prism.js / Highlight.js: Code highlighting
- Lucide React: Icons
- Sonner: Toast notifications
- Zustand: State management
AI Integration
- Vercel AI SDK: Streaming responses
- OpenAI API: GPT models
- Anthropic API: Claude models
- Google AI: Gemini models
- Supabase: Store conversations
Features
- React Hook Form: Input handling
- TipTap or Lexical: Rich text (optional)
- React Dropzone: File uploads
- React Virtuoso: Virtual scrolling for messages
- KaTeX: Math rendering
Performance
Optimizations
- Virtual scrolling: Handle thousands of messages
- Lazy load: Old messages on demand
- Debounced search: Reduce API calls
- Code splitting: Per route
- Image optimization: WebP, lazy loading
- Memoization: Prevent unnecessary re-renders
Caching
- Cache conversations: Local storage
- Offline support: Queue messages
- Optimistic updates: Show messages immediately
Accessibility
WCAG Compliance
- Keyboard navigation: Full keyboard support
- Screen reader: ARIA labels on all elements
- Focus management: Clear focus indicators
- Color contrast: AA compliant
- Reduced motion: Respect preferences
Keyboard Shortcuts
- Cmd/Ctrl + K: Open command palette
- Cmd/Ctrl + N: New chat
- Cmd/Ctrl + /: Search conversations
- Cmd/Ctrl + Enter: Send message
- Cmd/Ctrl + Shift + C: Copy last code block
- Esc: Cancel generation
Generate a production-ready AI chat interface that users will love spending time in!
Tags
lovable
ai
chat
streaming
llm
Tested Models
gpt-4
claude-3-5-sonnet