Rohit-554 · vatsalgupta2004 · Oct 4, 2025 · Oct 20, 2025
diff --git a/EMOJI_REACTIONS_FEATURE.md b/EMOJI_REACTIONS_FEATURE.md
@@ -0,0 +1,133 @@
+# Emoji Reactions Feature
+
+## Overview
+This feature adds real-time emoji reactions to the Multi-Peer Voice Chat application, allowing participants to express emotions during calls through animated emoji that float across the screen.
+
+## Features Implemented
+
+### 1. ✨ Emoji Reaction UI
+- **8 Quick Reaction Buttons**: 👍 ❤️ 😂 🎉 👏 🔥 😮 😢
+- Beautiful, responsive design with hover effects
+- Disabled when not in a call
+- Located in a dedicated section below peer list
+
+### 2. 📡 Data Channel Communication
+- **DataChannelManager**: New utility class to manage WebRTC data channels
+- Sends reactions to all connected peers in real-time
+- Handles incoming reactions from other participants
+- Automatic channel setup/teardown with peer connections
+
+### 3. 💫 Floating Reaction Animations
+- Smooth floating animation from bottom to top
+- Random horizontal positioning for variety
+- 3-second animation duration
+- Scale and rotation effects for natural movement
+- Automatic cleanup after animation completes
+
+### 4. 🔗 Integration with Existing System
+- Seamlessly integrated with MultiPeerManager
+- Data channels created alongside audio connections
+- Proper cleanup when peers disconnect or call ends
+- No impact on existing voice chat functionality
+
+## Technical Implementation
+
+### New Files Created
+
+1. **`src/components/EmojiReactions.jsx`**
+   - Main component for emoji reaction UI and animations
+   - Manages reaction state and display
+   - Handles sending/receiving reactions
+
+2. **`src/utils/DataChannelManager.js`**
+   - Manages WebRTC data channels
+   - Provides broadcast functionality
+   - Handles channel lifecycle
+
+### Modified Files
+
+1. **`src/pages/App.jsx`**
+   - Added EmojiReactions component
+   - Initialized DataChannelManager
+   - Connected manager to MultiPeerManager
+
+2. **`src/utils/MultiPeerManager.js`**
+   - Added data channel support
+   - Setup channels during peer connection
+   - Cleanup channels on disconnect
+
+3. **`src/assets/styles.css`**
+   - Added emoji button styles
+   - Floating animation keyframes
+   - Responsive design for mobile
+
+## Usage
+
+### For Users
+1. Start a group call with peers
+2. Click any emoji button to send a reaction
+3. See your reaction float up the screen
+4. Receive and see reactions from other participants
+
+### For Developers
+```javascript
+// Send a reaction
+dataChannelManager.broadcast({
+  type: 'reaction',
+  emoji: '👍',
+  peerId: 'sender-id',
+  timestamp: Date.now()
+});
+
+// Listen for reactions
+dataChannelManager.onMessage = (data) => {
+  if (data.type === 'reaction') {
+    // Handle reaction
+  }
+};
+```
+
+## Browser Compatibility
+- Chrome/Edge: ✅ Full support
+- Firefox: ✅ Full support
+- Safari: ✅ Full support
+- Opera: ✅ Full support
+
+## Performance Considerations
+- Lightweight JSON messages (~50 bytes per reaction)
+- Efficient animation using CSS transforms
+- Automatic cleanup prevents memory leaks
+- No impact on voice quality
+
+## Future Enhancements
+- [ ] Custom emoji picker
+- [ ] Reaction history/stats
+- [ ] Sound effects for reactions
+- [ ] Reaction clustering for multiple simultaneous reactions
+- [ ] User preferences for reaction size/speed
+
+## Testing
+To test the feature:
+1. Open the app in multiple browser tabs/windows
+2. Connect peers and start a call
+3. Send reactions from different peers
+4. Verify animations appear on all connected peers
+
+## Contributing
+This feature was implemented as part of Hacktoberfest 2025! 🎉
+
+### Issue Reference
+Closes issue: Add emoji reaction buttons with floating animations
+
+### Changes Summary
+- ✅ Add emoji reaction UI
+- ✅ Send reactions via data channel
+- ✅ Display reactions in chat
+- ✅ Add floating reaction animations
+
+## License
+Same as parent project (MIT)
+
+---
+
+Built with ❤️ for Hacktoberfest 2025
diff --git a/index.html b/index.html
@@ -1,10 +1,13 @@
-<!doctype html>
+<!-- index.html -->
+<!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="description" content="Local Wi‑Fi P2P voice chat using WebRTC (PeerJS)" />
-    <title>Local P2P Voice Chat</title>
+    <meta name="description" content="Zero-backend, end-to-end encrypted multi-peer voice chat using WebRTC and PeerJS" />
+    <meta name="keywords" content="WebRTC, PeerJS, voice chat, P2P, group call" />
+    <title>Multi-Peer Voice Chat</title>
   </head>
   <body>
     <div id="root"></div>

diff --git a/package-lock.json b/package-lock.json