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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ChatVerse - Connect & Chat</title>
<link rel="icon" type="image/x-icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🌌</text></svg>">
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
<script src="https://unpkg.com/feather-icons"></script>
<style>
@keyframes float {
0%, 100% { transform: translateY(0px); }
50% { transform: translateY(-20px); }
}
.float-animation {
animation: float 6s ease-in-out infinite;
}
.message-bubble {
animation: slideIn 0.3s ease-out;
}
@keyframes slideIn {
from {
opacity: 0;
transform: translateY(10px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.typing-indicator span {
animation: typing 1.4s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) {
animation-delay: 0.2s;
}
.typing-indicator span:nth-child(3) {
animation-delay: 0.4s;
}
@keyframes typing {
0%, 60%, 100% {
transform: translateY(0);
}
30% {
transform: translateY(-10px);
}
}
</style>
</head>
<body class="bg-gradient-to-br from-purple-900 via-blue-900 to-indigo-900 min-h-screen">
<!-- Login Screen -->
<div id="loginScreen" class="min-h-screen flex items-center justify-center p-4">
<div class="bg-white/10 backdrop-blur-lg rounded-3xl p-8 max-w-md w-full shadow-2xl border border-white/20">
<div class="text-center mb-8">
<div class="float-animation">
<h1 class="text-5xl font-bold text-white mb-2">ChatVerse</h1>
<p class="text-purple-200">Connect with the universe 🌌</p>
</div>
</div>
<form id="loginForm" class="space-y-6">
<div>
<label class="block text-purple-200 mb-2">Choose your username</label>
<input type="text" id="username" required
class="w-full px-4 py-3 rounded-xl bg-white/20 backdrop-blur text-white placeholder-purple-200 border border-purple-300/30 focus:outline-none focus:border-purple-400 transition"
placeholder="Enter username">
</div>
<button type="submit"
class="w-full bg-gradient-to-r from-purple-500 to-pink-500 text-white py-3 rounded-xl font-semibold hover:from-purple-600 hover:to-pink-600 transform hover:scale-105 transition duration-300 shadow-lg">
Join ChatVerse
</button>
</form>
</div>
</div>
<!-- Chat Interface -->
<div id="chatInterface" class="hidden h-screen flex flex-col">
<!-- Header -->
<header class="bg-white/10 backdrop-blur-lg border-b border-white/20 p-4">
<div class="flex items-center justify-between max-w-7xl mx-auto">
<div class="flex items-center space-x-3">
<h1 class="text-2xl font-bold text-white">ChatVerse</h1>
<span class="bg-green-400 w-3 h-3 rounded-full animate-pulse"></span>
</div>
<div class="flex items-center space-x-4">
<span id="currentUser" class="text-purple-200"></span>
<button onclick="logout()" class="text-purple-200 hover:text-white transition">
<i data-feather="log-out"></i>
</button>
</div>
</div>
</header>
<div class="flex-1 flex overflow-hidden">
<!-- Sidebar - Online Users -->
<aside class="w-64 bg-white/5 backdrop-blur-lg border-r border-white/10 p-4 overflow-y-auto">
<h2 class="text-purple-200 font-semibold mb-4 flex items-center">
<i data-feather="users" class="w-4 h-4 mr-2"></i>
Online Users (<span id="onlineCount">0</span>)
</h2>
<div id="usersList" class="space-y-2">
<!-- Users will be populated here -->
</div>
</aside>
<!-- Main Chat Area -->
<main class="flex-1 flex flex-col">
<!-- Messages Container -->
<div id="messagesContainer" class="flex-1 overflow-y-auto p-6 space-y-4">
<!-- Messages will appear here -->
</div>
<!-- Typing Indicator -->
<div id="typingIndicator" class="px-6 py-2 hidden">
<div class="typing-indicator flex items-center space-x-1 text-purple-300">
<span class="w-2 h-2 bg-purple-300 rounded-full"></span>
<span class="w-2 h-2 bg-purple-300 rounded-full"></span>
<span class="w-2 h-2 bg-purple-300 rounded-full"></span>
<span class="text-sm ml-2" id="typingText"></span>
</div>
</div>
<!-- Message Input -->
<div class="bg-white/10 backdrop-blur-lg border-t border-white/20 p-4">
<form id="messageForm" class="flex space-x-3">
<input type="text" id="messageInput"
placeholder="Type your message..."
class="flex-1 px-4 py-3 rounded-xl bg-white/20 backdrop-blur text-white placeholder-purple-200 border border-purple-300/30 focus:outline-none focus:border-purple-400 transition"
autocomplete="off">
<button type="submit"
class="bg-gradient-to-r from-purple-500 to-pink-500 text-white px-6 py-3 rounded-xl hover:from-purple-600 hover:to-pink-600 transform hover:scale-105 transition duration-300 shadow-lg">
<i data-feather="send" class="w-5 h-5"></i>
</button>
</form>
</div>
</main>
</div>
</div>
<script>
// Simple WebSocket-like simulation using localStorage and BroadcastChannel
class ChatSystem {
constructor() {
this.currentUser = null;
this.users = new Set();
this.messages = [];
this.broadcastChannel = new BroadcastChannel('chatverse');
this.typingTimeout = null;
this.isTyping = false;
this.broadcastChannel.onmessage = (event) => {
const { type, data } = event.data;
this.handleMessage(type, data);
};
}
handleMessage(type, data) {
switch(type) {
case 'userJoined':
this.addUser(data.username);
break;
case 'userLeft':
this.removeUser(data.username);
break;
case 'message':
this.addMessage(data);
break;
case 'typing':
this.showTyping(data.username);
break;
case 'stopTyping':
this.hideTyping();
break;
}
}
broadcast(type, data) {
this.broadcastChannel.postMessage({ type, data });
}
login(username) {
this.currentUser = username;
localStorage.setItem('currentUser', username);
this.broadcast('userJoined', { username });
this.addUser(username);
this.loadMessages();
}
logout() {
if (this.currentUser) {
this.broadcast('userLeft', { username: this.currentUser });
localStorage.removeItem('currentUser');
this.removeUser(this.currentUser);
this.currentUser = null;
}
}
addUser(username) {
this.users.add(username);
this.updateUsersList();
}
removeUser(username) {
this.users.delete(username);
this.updateUsersList();
}
updateUsersList() {
const usersList = document.getElementById('usersList');
const onlineCount = document.getElementById('onlineCount');
usersList.innerHTML = '';
onlineCount.textContent = this.users.size;
this.users.forEach(username => {
const userDiv = document.createElement('div');
userDiv.className = 'flex items-center space-x-2 p-2 rounded-lg hover:bg-white/10 transition cursor-pointer';
userDiv.innerHTML = `
<div class="w-2 h-2 bg-green-400 rounded-full"></div>
<span class="text-purple-200">${username}</span>
${username === this.currentUser ? '<span class="text-xs text-purple-400">(You)</span>' : ''}
`;
usersList.appendChild(userDiv);
});
}
sendMessage(content) {
const message = {
id: Date.now(),
username: this.currentUser,
content: content,
timestamp: new Date().toISOString()
};
this.messages.push(message);
this.broadcast('message', message);
this.addMessage(message);
this.saveMessages();
}
addMessage(message) {
const messagesContainer = document.getElementById('messagesContainer');
const messageDiv = document.createElement('div');
messageDiv.className = `message-bubble flex ${message.username === this.currentUser ? 'justify-end' : 'justify-start'}`;
const time = new Date(message.timestamp).toLocaleTimeString('en-US', {
hour: '2-digit',
minute: '2-digit'
});
messageDiv.innerHTML = `
<div class="max-w-xs lg:max-w-md px-4 py-2 rounded-2xl ${
message.username === this.currentUser
? 'bg-gradient-to-r from-purple-500 to-pink-500 text-white'
: 'bg-white/20 backdrop-blur text-purple-100'
}">
<div class="flex items-baseline space-x-2">
<span class="font-semibold text-sm">${message.username}</span>
<span class="text-xs opacity-70">${time}</span>
</div>
<p class="mt-1">${message.content}</p>
</div>
`;
messagesContainer.appendChild(messageDiv);
messagesContainer.scrollTop = messagesContainer.scrollHeight;
}
showTyping(username) {
if (username === this.currentUser) return;
const typingIndicator = document.getElementById('typingIndicator');
const typingText = document.getElementById('typingText');
typingText.textContent = `${username} is typing...`;
typingIndicator.classList.remove('hidden');
}
hideTyping() {
document.getElementById('typingIndicator').classList.add('hidden');
}
handleTyping() {
if (!this.isTyping) {
this.isTyping = true;
this.broadcast('typing', { username: this.currentUser });
}
clearTimeout(this.typingTimeout);
this.typingTimeout = setTimeout(() => {
this.isTyping = false;
this.broadcast('stopTyping', {});
}, 1000);
}
saveMessages() {
localStorage.setItem('chatMessages', JSON.stringify(this.messages));
}
loadMessages() {
const saved = localStorage.getItem('chatMessages');
if (saved) {
this.messages = JSON.parse(saved);
this.messages.forEach(msg => this.addMessage(msg));
}
}
}
// Initialize chat system
const chatSystem = new ChatSystem();
// Check if user is already logged in
window.addEventListener('DOMContentLoaded', () => {
const savedUser = localStorage.getItem('currentUser');
if (savedUser) {
showChatInterface(savedUser);
}
});
// Login form handler
document.getElementById('loginForm').addEventListener('submit', (e) => {
e.preventDefault();
const username = document.getElementById('username').value.trim();
if (username) {
chatSystem.login(username);
showChatInterface(username);
}
});
// Message form handler
document.getElementById('messageForm').addEventListener('submit', (e) => {
e.preventDefault();
const input = document.getElementById('messageInput');
const message = input.value.trim();
if (message) {
chatSystem.sendMessage(message);
input.value = '';
chatSystem.hideTyping();
}
});
// Typing indicator
document.getElementById('messageInput').addEventListener('input', () => {
chatSystem.handleTyping();
});
// Show chat interface
function showChatInterface(username) {
document.getElementById('loginScreen').classList.add('hidden');
document.getElementById('chatInterface').classList.remove('hidden');
document.getElementById('currentUser').textContent = username;
feather.replace();
}
// Logout
function logout() {
chatSystem.logout();
document.getElementById('chatInterface').classList.add('hidden');
document.getElementById('loginScreen').classList.remove('hidden');
document.getElementById('messagesContainer').innerHTML = '';
document.getElementById('username').value = '';
}
// Replace feather icons
feather.replace();
</script>
</body>
</html>
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