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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>AI Chat Assistant</title>
	<style>
	:root {
	--primary-color: #2dd4bf;
	--secondary-color: #1e293b;
	--bg-color: #0f172a;
	--text-primary: #f8fafc;
	--text-secondary: #94a3b8;
	--accent-color: #818cf8;
	--border-color: #334155;
	--hover-color: #1e293b;
	--gradient-1: linear-gradient(135deg, #2dd4bf20, #818cf820);
	--gradient-2: linear-gradient(45deg, #2dd4bf, #818cf8);
	--glow-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
	--message-user-bg: linear-gradient(135deg, #2dd4bf, #818cf8);
	--message-ai-bg: rgba(30, 41, 59, 0.5);
	--message-user-gradient: linear-gradient(135deg, #2563eb, #1d4ed8);
	--message-user-text: #ffffff;
	--message-user-shadow: 0 4px 15px rgba(45, 212, 191, 0.2);
	}

	body {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	margin: 0;
	padding: 0;
	background-color: var(--bg-color);
	color: var(--text-primary);
	display: grid;
	grid-template-columns: 260px 1fr;
	min-height: 100vh;
	background: var(--bg-color);
	background-image:
	radial-gradient(circle at 10% 20%, rgba(0, 255, 170, 0.05) 0%, transparent 20%),
	radial-gradient(circle at 90% 80%, rgba(0, 200, 255, 0.05) 0%, transparent 20%);
	transition: all 0.3s ease;
	}

	/* Sidebar Styles */
	.sidebar {
	background-color: var(--secondary-color);
	backdrop-filter: blur(10px);
	border-right: 1px solid rgba(255, 255, 255, 0.1);
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 16px;
	animation: slideIn 0.5s ease;
	}

	.new-chat-btn {
	background: var(--message-user-bg);
	color: white;
	border: none;
	padding: 12px;
	border-radius: 12px;
	cursor: pointer;
	font-weight: 600;
	transition: all 0.3s ease;
	box-shadow: var(--message-user-shadow);
	display: flex;
	align-items: center;
	gap: 8px;
	}

	.new-chat-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(45, 212, 191, 0.3);
	background: var(--accent-color);
	}

	.chat-list {
	flex-grow: 1;
	overflow-y: auto;
	}

	.chat-item {
	padding: 10px;
	border-radius: 6px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	color: var(--text-secondary);
	transition: all 0.3s ease;
	background: transparent;
	border: 1px solid transparent;
	}

	.chat-item:hover {
	background: var(--hover-color);
	border-color: var(--primary-color);
	transform: translateX(5px);
	}

	.chat-item.active {
	background: var(--hover-color);
	border-left: 2px solid var(--primary-color);
	}

	.delete-chat {
	opacity: 0;
	transition: opacity 0.2s ease;
	color: var(--text-secondary);
	background: none;
	border: none;
	cursor: pointer;
	padding: 4px;
	}

	.chat-item:hover .delete-chat {
	opacity: 1;
	}

	/* Main Chat Area */
	.main-container {
	display: flex;
	flex-direction: column;
	height: 100vh;
	}

	.chat-header {
	padding: 16px;
	border-bottom: 1px solid var(--border-color);
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	background: rgba(26, 31, 44, 0.8);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	}

	.chat-title {
	font-size: 1.1rem;
	color: var(--primary-color);
	margin: 0;
	text-align: center;
	font-weight: 500;
	max-width: 60%;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
	letter-spacing: 0.5px;
	}

	.chat-messages {
	flex-grow: 1;
	overflow-y: auto;
	padding: 20px;
	scroll-behavior: smooth;
	height: calc(100vh - 140px);
	font-size: 16px !important;
	}

	.message {
	max-width: 80%;
	padding: 12px 16px;
	margin-bottom: 16px;
	font-size: 16px !important;
	line-height: 1.5;
	border-radius: 18px;
	position: relative;
	display: inline-flex;
	gap: 12px;
	align-items: flex-start;
	width: fit-content;
	}

	.message.user-message {
	margin-left: auto;
	background: linear-gradient(135deg, #2dd4bf, #0ea5e9);
	border-bottom-right-radius: 4px;
	flex-direction: row-reverse;
	box-shadow: 0 2px 8px rgba(45, 212, 191, 0.2);
	float: right;
	clear: both;
	}

	.message.ai-message {
	margin-right: auto;
	background: var(--secondary-color);
	border-bottom-left-radius: 4px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	float: left;
	clear: both;
	}

	.avatar {
	width: 32px;
	height: 32px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 600;
	font-size: 14px;
	flex-shrink: 0;
	margin-top: 4px;
	}

	.user-avatar {
	background: white;
	color: var(--primary-color);
	box-shadow: 0 2px 8px rgba(45, 212, 191, 0.2);
	}

	.ai-avatar {
	background: white;
	color: var(--secondary-color);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	}

	.message-content {
	font-size: 16px !important;
	line-height: 1.5;
	padding: 0 4px;
	word-wrap: break-word;
	white-space: pre-wrap;
	}

	.user-message .message-content {
	color: white;
	text-align: left;
	}

	.ai-message .message-content {
	color: var(--text-primary);
	}

	/* Input Area */
	.input-container {
	padding: 20px;
	border-top: 1px solid var(--border-color);
	max-width: 900px;
	margin: 0 auto;
	width: calc(100% - 40px);
	position: relative;
	}

	.input-wrapper {
	display: flex;
	gap: 12px;
	background: var(--message-ai-bg);
	border: 1px solid rgba(45, 212, 191, 0.2);
	padding: 12px 16px;
	border-radius: 12px;
	transition: all 0.3s ease;
	}

	.input-wrapper:focus-within {
	border-color: var(--primary-color);
	box-shadow: 0 0 15px rgba(45, 212, 191, 0.2);
	}

	#user-input {
	flex-grow: 1;
	padding: 8px 0;
	border: none;
	background: transparent;
	font-size: 16px;
	color: var(--text-primary);
	outline: none;
	resize: none;
	min-height: 24px;
	max-height: 200px;
	line-height: 1.5;
	}

	.send-button {
	background: var(--message-user-bg);
	border: none;
	border-radius: 8px;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all 0.3s ease;
	padding: 0;
	margin: auto 0;
	box-shadow: var(--message-user-shadow);
	}

	.send-button:hover {
	transform: translateY(-2px) scale(1.05);
	box-shadow: 0 6px 20px rgba(45, 212, 191, 0.3);
	background: var(--accent-color);
	}

	.send-button:active {
	transform: translateY(0);
	}

	.send-button svg {
	width: 16px;
	height: 16px;
	stroke: white;
	}

	.send-button.disabled {
	background-color: var(--text-secondary);
	cursor: not-allowed;
	opacity: 0.5;
	}

	/* Keep existing code block and other styles... */

	/* Code Block Styles within Messages */
	.message .code-block {
	position: relative;
	background: #1e1e1e;
	border-radius: 8px;
	margin: 12px 0;
	font-family: 'Fira Code', 'Consolas', monospace;
	border: 1px solid rgba(255, 255, 255, 0.1);
	}

	.code-block pre {
	margin: 0;
	padding: 16px;
	padding-top: 32px; /* Space for the copy button and language label */
	overflow-x: auto;
	color: #e0e0e0;
	font-size: 14px;
	line-height: 1.5;
	}

	.code-block .copy-button {
	position: absolute;
	top: 8px;
	right: 8px;
	background: rgba(255, 255, 255, 0.1);
	color: #fff;
	border: none;
	border-radius: 4px;
	padding: 4px 8px;
	font-size: 12px;
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 4px;
	transition: all 0.2s ease;
	opacity: 0;
	}

	.code-block:hover .copy-button {
	opacity: 1;
	}

	.code-block .copy-button:hover {
	background: rgba(255, 255, 255, 0.2);
	}

	.code-block .copy-button svg {
	width: 14px;
	height: 14px;
	}

	.code-block .language-label {
	position: absolute;
	top: 8px;
	left: 8px;
	color: #888;
	font-size: 12px;
	font-family: 'Inter', sans-serif;
	}

	/* Syntax Highlighting */
	.code-block .keyword { color: #569CD6; }
	.code-block .string { color: #CE9178; }
	.code-block .comment { color: #6A9955; }
	.code-block .number { color: #B5CEA8; }
	.code-block .function { color: #DCDCAA; }
	.code-block .operator { color: #D4D4D4; }
	.code-block .class { color: #4EC9B0; }
	.code-block .property { color: #9CDCFE; }

	/* Thinking Animation Styles */
	.thinking {
	display: flex;
	align-items: center;
	gap: 12px;
	}

	.loading-dots {
	display: flex;
	gap: 4px;
	}

	.loading-dots span {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--primary-color);
	animation: pulse 1.5s infinite ease-in-out;
	}

	.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
	.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

	@keyframes pulse {
	0%, 100% { transform: scale(0.5); opacity: 0.5; }
	50% { transform: scale(1); opacity: 1; }
	}

	/* Scrollbar styling */
	::-webkit-scrollbar {
	width: 6px;
	}

	::-webkit-scrollbar-track {
	background: transparent;
	}

	::-webkit-scrollbar-thumb {
	background: var(--primary-color);
	border-radius: 3px;
	}

	/* Add smooth animations */
	@keyframes slideIn {
	from {
	transform: translateX(-100%);
	opacity: 0;
	}
	to {
	transform: translateX(0);
	opacity: 1;
	}
	}

	@keyframes messageSlide {
	from {
	transform: translateY(20px);
	opacity: 0;
	}
	to {
	transform: translateY(0);
	opacity: 1;
	}
	}

	/* Add glow effect to messages */
	.message {
	position: relative;
	overflow: hidden;
	}

	.message.user-message::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: linear-gradient(
	45deg,
	transparent,
	rgba(45, 212, 191, 0.1),
	transparent
	);
	animation: shine 2s infinite;
	}

	@keyframes shine {
	0% {
	transform: translateX(-100%) translateY(-100%);
	}
	50%, 100% {
	transform: translateX(100%) translateY(100%);
	}
	}

	/* Add hover effect for avatars */
	.avatar:hover {
	transform: scale(1.05);
	transition: transform 0.2s ease;
	}

	/* Scroll Buttons */
	.scroll-button {
	position: fixed;
	right: 30px;
	width: 45px;
	height: 45px;
	border-radius: 50%;
	background: #2dd4bf;
	color: white;
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	}

	.scroll-button.visible {
	opacity: 1;
	visibility: visible;
	}

	.scroll-top-button {
	bottom: 100px;
	}

	.scroll-bottom-button {
	bottom: 40px;
	}

	/* Add a glow effect to the buttons */
	.scroll-button::after {
	content: '';
	position: absolute;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background: inherit;
	filter: blur(8px);
	opacity: 0;
	transition: opacity 0.3s ease;
	z-index: -1;
	}

	.scroll-button:hover::after {
	opacity: 0.5;
	}

	/* Add smooth scrolling to the container */
	.chat-messages {
	scroll-behavior: smooth;
	}

	/* Add a subtle animation for new messages */
	@keyframes messageAppear {
	from {
	opacity: 0;
	transform: translateY(10px);
	}
	to {
	opacity: 1;
	transform: translateY(0);
	}
	}

	.message {
	animation: messageAppear 0.3s ease-out;
	}

	/* Add this to clear floats */
	.chat-messages::after {
	content: '';
	display: table;
	clear: both;
	}

	/* Responsive Design */
	@media (max-width: 768px) {
	body {
	grid-template-columns: 1fr; /* Change to single column layout */
	}

	.sidebar {
	position: fixed;
	left: -100%;
	top: 0;
	bottom: 0;
	width: 280px;
	z-index: 1000;
	transition: left 0.3s ease;
	padding: 12px;
	background: var(--secondary-color);
	backdrop-filter: blur(10px);
	box-shadow: none;
	}

	.sidebar.active {
	left: 0;
	box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
	}

	.menu-button {
	position: fixed;
	left: 15px;
	top: 15px;
	z-index: 1001;
	background: var(--primary-color);
	border: none;
	border-radius: 8px;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: white;
	}

	.chat-header {
	padding: 15px 70px;
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
	}

	.chat-title {
	font-size: 16px;
	max-width: 80%;
	}

	.main-container {
	padding-top: 0;
	height: 100vh;
	margin-left: 0;
	width: 100%;
	position: relative;
	z-index: 1;
	}

	.message {
	max-width: 90%;
	padding: 10px 12px;
	}

	.input-container {
	padding: 12px;
	width: calc(100% - 24px);
	}

	.scroll-button {
	right: 10px;
	width: 40px;
	height: 40px;
	}

	/* Adjust code blocks for mobile */
	.code-block {
	max-width: 100%;
	overflow-x: auto;
	}

	.code-block pre {
	padding: 12px;
	font-size: 12px;
	}

	.chat-list {
	padding-bottom: 20px;
	height: calc(100vh - 80px);
	overflow-y: auto;
	}

	.chat-item {
	padding: 12px 10px;
	font-size: 14px;
	margin-bottom: 4px;
	}

	.chat-item span {
	max-width: 200px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	}

	/* Adjust new chat button for mobile */
	.new-chat-btn {
	margin: 0 0 12px 0;
	width: calc(100% - 24px);
	padding: 12px;
	font-size: 14px;
	}
	}

	/* Add overlay for mobile menu */
	.overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.5);
	z-index: 999;
	}

	.overlay.active {
	display: block;
	}

	/* Enhanced Background */
	body {
	background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
	position: relative;
	overflow: hidden;
	}

	/* Animated background elements */
	.background-effects {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 0;
	pointer-events: none;
	}

	.background-effects::before,
	.background-effects::after {
	content: '';
	position: absolute;
	width: 300px;
	height: 300px;
	border-radius: 50%;
	filter: blur(100px);
	opacity: 0.15;
	animation: floatAround 20s infinite ease-in-out;
	}

	.background-effects::before {
	background: #00ffaa;
	top: -150px;
	left: -150px;
	}

	.background-effects::after {
	background: #00c8ff;
	bottom: -150px;
	right: -150px;
	animation-delay: -10s;
	}

	@keyframes floatAround {
	0%, 100% { transform: translate(0, 0); }
	25% { transform: translate(100px, 100px); }
	50% { transform: translate(0, 200px); }
	75% { transform: translate(-100px, 100px); }
	}

	/* Welcome Message Styles */
	.welcome-message {
	background: rgba(255, 255, 255, 0.05);
	border-radius: 12px;
	padding: 20px;
	margin: 10px 20px 24px 20px;
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.1);
	animation: fadeIn 0.5s ease-out;
	max-width: calc(100% - 40px);
	}

	.welcome-message h3 {
	color: var(--primary-color);
	margin: 0 0 12px 0;
	font-size: 1.2rem;
	}

	.welcome-message p {
	margin: 0 0 16px 0;
	line-height: 1.5;
	font-size: 0.95rem;
	}

	.quick-actions {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 16px;
	}

	.quick-action-btn {
	background: rgba(255, 255, 255, 0.1);
	border: none;
	padding: 8px 16px;
	border-radius: 20px;
	color: var(--text-primary);
	cursor: pointer;
	transition: all 0.3s ease;
	font-size: 14px;
	white-space: nowrap;
	position: relative;
	overflow: hidden;
	}

	.quick-action-btn:hover {
	background: var(--primary-color);
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(45, 212, 191, 0.3);
	}

	.quick-action-btn:active {
	transform: translateY(0);
	}

	/* Add ripple effect */
	.quick-action-btn::after {
	content: '';
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	pointer-events: none;
	background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
	background-repeat: no-repeat;
	background-position: 50%;
	transform: scale(10, 10);
	opacity: 0;
	transition: transform .5s, opacity 1s;
	}

	.quick-action-btn:active::after {
	transform: scale(0, 0);
	opacity: .3;
	transition: 0s;
	}

	/* Add glow effect on hover */
	.quick-action-btn:hover::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	border-radius: 20px;
	background: var(--primary-color);
	z-index: -1;
	filter: blur(8px);
	opacity: 0.5;
	transition: opacity 0.3s ease;
	}

	/* Mobile adjustments for hover effects */
	@media (max-width: 768px) {
	.quick-action-btn {
	padding: 10px 16px; /* Slightly larger touch target */
	}

	.quick-action-btn:active {
	background: var(--primary-color);
	transform: scale(0.98);
	}
	}

	/* Mobile Responsive Styles */
	@media (max-width: 768px) {
	.welcome-message {
	margin: 10px 10px 20px 10px;
	padding: 15px;
	max-width: calc(100% - 20px);
	}

	.welcome-message h3 {
	font-size: 1.1rem;
	margin-bottom: 10px;
	}

	.welcome-message p {
	font-size: 0.9rem;
	margin-bottom: 12px;
	}

	.quick-actions {
	gap: 6px;
	margin-top: 12px;
	}

	.quick-action-btn {
	padding: 6px 12px;
	font-size: 13px;
	flex: 1 1 calc(50% - 6px); /* Two buttons per row on mobile */
	text-align: center;
	min-width: calc(50% - 6px);
	max-width: calc(50% - 6px);
	}
	}

	/* Add fade in animation */
	@keyframes fadeIn {
	from {
	opacity: 0;
	transform: translateY(10px);
	}
	to {
	opacity: 1;
	transform: translateY(0);
	}
	}

	/* Enhanced Input Area */
	.input-container {
	position: relative;
	backdrop-filter: blur(10px);
	}

	.input-wrapper {
	position: relative;
	}

	.input-actions {
	position: absolute;
	right: 50px;
	top: 50%;
	transform: translateY(-50%);
	display: flex;
	gap: 8px;
	}

	.input-action-btn {
	background: none;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	padding: 4px;
	transition: all 0.2s ease;
	}

	.input-action-btn:hover {
	color: var(--primary-color);
	}

	/* Settings Button */
	.settings-button {
	position: absolute;
	right: 20px;
	top: 50%;
	transform: translateY(-50%);
	width: 40px;
	height: 40px;
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: var(--text-secondary);
	transition: all 0.3s ease;
	background: rgba(255, 255, 255, 0.1);
	}

	.settings-button:hover {
	background: var(--primary-color);
	color: white;
	transform: translateY(-50%) scale(1.05);
	}

	/* Settings Modal */
	.settings-modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.5);
	z-index: 1000;
	backdrop-filter: blur(5px);
	}

	.settings-modal.active {
	display: flex;
	align-items: center;
	justify-content: center;
	}

	.settings-content {
	background: var(--secondary-color);
	border-radius: 12px;
	width: 90%;
	max-width: 500px;
	position: relative;
	animation: modalSlide 0.3s ease;
	}

	.settings-header {
	padding: 20px;
	border-bottom: 1px solid var(--border-color);
	display: flex;
	justify-content: space-between;
	align-items: center;
	}

	.settings-header h2 {
	margin: 0;
	color: var(--text-primary);
	}

	.close-settings {
	background: none;
	border: none;
	color: var(--text-secondary);
	font-size: 24px;
	cursor: pointer;
	padding: 0;
	}

	.settings-body {
	padding: 20px;
	}

	.settings-section {
	margin-bottom: 24px;
	}

	.settings-section h3 {
	margin: 0 0 12px 0;
	color: var(--text-primary);
	}

	.theme-options {
	display: flex;
	gap: 8px;
	}

	.theme-btn {
	padding: 8px 16px;
	border-radius: 8px;
	border: 1px solid var(--border-color);
	background: transparent;
	color: var(--text-primary);
	cursor: pointer;
	transition: all 0.3s ease;
	}

	.theme-btn.active {
	background: var(--primary-color);
	border-color: var(--primary-color);
	}

	.language-select {
	width: 100%;
	padding: 8px;
	border-radius: 8px;
	background: var(--bg-color);
	color: var(--text-primary);
	border: 1px solid var(--border-color);
	}

	@keyframes modalSlide {
	from {
	opacity: 0;
	transform: translateY(20px);
	}
	to {
	opacity: 1;
	transform: translateY(0);
	}
	}

	/* Mobile Responsive */
	@media (max-width: 768px) {
	.settings-button {
	right: 15px;
	width: 36px;
	height: 36px;
	}

	.settings-content {
	width: 95%;
	margin: 20px;
	}
	}

	/* Landing Page Styles */
	.landing-page {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
	z-index: 9999;
	overflow-y: auto;
	transition: opacity 0.5s ease, transform 0.5s ease;
	-webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
	}

	.landing-page.hidden {
	opacity: 0;
	transform: translateY(-20px);
	pointer-events: none;
	}

	.landing-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 40px 20px;
	}

	.hero-section {
	text-align: center;
	padding: 60px 0;
	animation: fadeIn 1s ease-out;
	}

	.hero-title {
	font-size: 3.5rem;
	margin-bottom: 20px;
	background: linear-gradient(135deg, #2dd4bf, #818cf8);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	}

	.hero-subtitle {
	font-size: 1.2rem;
	color: var(--text-secondary);
	margin-bottom: 40px;
	}

	.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 30px;
	padding: 40px 0;
	}

	.feature-card {
	background: rgba(255, 255, 255, 0.05);
	border-radius: 15px;
	padding: 30px;
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.1);
	transition: transform 0.3s ease;
	}

	.feature-card:hover {
	transform: translateY(-5px);
	}

	.feature-icon {
	font-size: 2rem;
	margin-bottom: 20px;
	color: var(--primary-color);
	}

	.feature-title {
	font-size: 1.5rem;
	margin-bottom: 15px;
	color: var(--primary-color);
	}

	.feature-description {
	color: var(--text-secondary);
	}

	.cta-button {
	display: inline-block;
	background: linear-gradient(135deg, #2dd4bf, #818cf8);
	color: white;
	padding: 15px 40px;
	border-radius: 30px;
	text-decoration: none;
	font-weight: 600;
	font-size: 1.1rem;
	transition: all 0.3s ease;
	border: none;
	cursor: pointer;
	margin-top: 40px;
	}

	.cta-button:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 20px rgba(45, 212, 191, 0.2);
	}

	/* Mobile Responsive */
	@media (max-width: 768px) {
	.hero-title {
	font-size: 2.5rem;
	}

	.hero-subtitle {
	font-size: 1rem;
	padding: 0 20px;
	}

	.features-grid {
	grid-template-columns: 1fr;
	padding: 20px;
	}

	.feature-card {
	padding: 20px;
	}
	}

	/* Update existing landing page styles */
	.landing-page {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
	z-index: 9999;
	overflow-y: auto;
	transition: opacity 0.5s ease, transform 0.5s ease;
	-webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
	}

	/* Mobile responsive adjustments */
	@media (max-width: 768px) {
	.landing-container {
	padding: 20px 15px;
	}

	.hero-section {
	padding: 40px 0;
	}

	.hero-title {
	font-size: 2.2rem;
	padding: 0 10px;
	margin-bottom: 15px;
	}

	.hero-subtitle {
	font-size: 1rem;
	padding: 0 15px;
	margin-bottom: 30px;
	}

	.features-grid {
	grid-template-columns: 1fr;
	gap: 15px;
	padding: 20px 0;
	}

	.feature-card {
	padding: 20px;
	margin: 0 10px;
	}

	.feature-title {
	font-size: 1.2rem;
	}

	.feature-description {
	font-size: 0.9rem;
	}

	.cta-button {
	padding: 12px 30px;
	font-size: 1rem;
	margin-top: 30px;
	width: 80%;
	max-width: 300px;
	}
	}

	/* Small mobile devices */
	@media (max-width: 380px) {
	.hero-title {
	font-size: 1.8rem;
	}

	.feature-card {
	padding: 15px;
	}

	.cta-button {
	padding: 10px 25px;
	font-size: 0.9rem;
	}
	}

	/* Mobile responsive fixes */
	@media (max-width: 768px) {
	body {
	grid-template-columns: 1fr; /* Single column layout for mobile */
	}

	.main-container {
	width: 100%;
	height: 100vh;
	position: relative;
	overflow: hidden;
	}

	.chat-messages {
	height: calc(100vh - 180px); /* Adjust for header and input */
	padding: 10px;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	position: relative;
	margin-bottom: 60px; /* Space for input container */
	}

	.welcome-message {
	position: relative;
	width: calc(100% - 20px);
	margin: 10px auto;
	z-index: 1;
	}

	.input-container {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	background: var(--bg-color);
	padding: 10px;
	border-top: 1px solid var(--border-color);
	z-index: 100;
	width: 100%;
	max-width: 100%;
	margin: 0;
	box-sizing: border-box;
	}

	.input-wrapper {
	max-width: 100%;
	margin: 0;
	}

	#user-input {
	font-size: 16px; /* Prevent zoom on mobile */
	padding: 8px;
	}

	.message {
	max-width: 85%;
	margin-bottom: 10px;
	}

	/* Fix scroll buttons for mobile */
	.scroll-button {
	width: 36px;
	height: 36px;
	right: 10px;
	z-index: 101;
	}

	.scroll-top-button {
	bottom: 80px;
	}

	.scroll-bottom-button {
	bottom: 130px;
	}

	/* Adjust chat header for mobile */
	.chat-header {
	padding: 10px;
	height: auto;
	z-index: 99;
	}

	/* Quick action buttons adjustment */
	.quick-actions {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 8px;
	padding: 0 5px;
	}

	.quick-action-btn {
	width: 100%;
	padding: 8px;
	font-size: 14px;
	text-align: center;
	white-space: normal;
	}
	}

	/* Small screen adjustments */
	@media (max-width: 380px) {
	.chat-messages {
	height: calc(100vh - 160px);
	}

	.message {
	max-width: 90%;
	padding: 8px 12px;
	}

	.input-container {
	padding: 8px;
	}
	}
	</style>
	</head>
	<body>
	<div class="landing-page" id="landing-page">
	<div class="landing-container">
	<section class="hero-section">
	<h1 class="hero-title">Welcome to Rxple AI</h1>
	<p class="hero-subtitle">Experience the future of AI-powered conversations with our advanced chatbot</p>
	</section>

	<div class="features-grid">
	<div class="feature-card">
	<div class="feature-icon">🤖</div>
	<h3 class="feature-title">Advanced AI Technology</h3>
	<p class="feature-description">
	Powered by state-of-the-art language models, our AI understands context and provides accurate, relevant responses.
	</p>
	</div>

	<div class="feature-card">
	<div class="feature-icon">💡</div>
	<h3 class="feature-title">Smart Assistance</h3>
	<p class="feature-description">
	Get help with coding, writing, analysis, and more. Our AI adapts to your needs and learning style.
	</p>
	</div>

	<div class="feature-card">
	<div class="feature-icon">🔒</div>
	<h3 class="feature-title">Secure & Private</h3>
	<p class="feature-description">
	Your conversations are private and secure. We prioritize your data protection and privacy.
	</p>
	</div>

	<div class="feature-card">
	<div class="feature-icon">⚡</div>
	<h3 class="feature-title">Real-time Responses</h3>
	<p class="feature-description">
	Get instant answers to your questions with our lightning-fast response system.
	</p>
	</div>

	<div class="feature-card">
	<div class="feature-icon">📱</div>
	<h3 class="feature-title">Mobile Friendly</h3>
	<p class="feature-description">
	Access our AI assistant from any device with a seamless, responsive design.
	</p>
	</div>

	<div class="feature-card">
	<div class="feature-icon">🔄</div>
	<h3 class="feature-title">Continuous Learning</h3>
	<p class="feature-description">
	Our AI constantly improves and updates its knowledge to provide better assistance.
	</p>
	</div>
	</div>

	<section class="hero-section">
	<button class="cta-button" onclick="startChat()">Start Chatting with AI</button>
	</section>
	</div>
	</div>

	<aside class="sidebar">
	<button class="new-chat-btn" onclick="createNewChat()">
	<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<line x1="12" y1="5" x2="12" y2="19"></line>
	<line x1="5" y1="12" x2="19" y2="12"></line>
	</svg>
	New Chat
	</button>
	<div class="chat-list" id="chat-list">
	<!-- Chat items will be added here dynamically -->
	</div>
	</aside>

	<main class="main-container">
	<div class="chat-header">
	<div class="settings-button" id="settings-button" title="Settings">
	<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M12 15a3 3 0 1 0 0-6 3 3 0 0 0 0 6z"/>
	<path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"/>
	</svg>
	</div>
	<h1 class="chat-title" id="current-chat-title">New Chat</h1>
	</div>
	<div class="chat-messages" id="chat-messages"></div>

	<button id="scroll-top" class="scroll-button scroll-top-button" title="Scroll to top">
	<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M18 15l-6-6-6 6"/>
	</svg>
	</button>

	<button id="scroll-bottom" class="scroll-button scroll-bottom-button" title="Scroll to bottom">
	<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M6 9l6 6 6-6"/>
	</svg>
	</button>

	<div class="input-container">
	<div class="input-wrapper">
	<input
	type="text"
	id="user-input"
	placeholder="Send a message..."
	autocomplete="off"
	autofocus
	>
	<button class="send-button" id="send-button" onclick="sendMessage()">
	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M22 2L11 13M22 2L15 22L11 13L2 9L22 2Z"></path>
	</svg>
	</button>
	</div>
	</div>
	</main>

	<button class="menu-button" id="menu-button" style="display: none;">
	<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<line x1="3" y1="12" x2="21" y2="12"></line>
	<line x1="3" y1="6" x2="21" y2="6"></line>
	<line x1="3" y1="18" x2="21" y2="18"></line>
	</svg>
	</button>

	<div class="overlay" id="overlay"></div>

	<div class="background-effects"></div>

	<div class="welcome-message">
	<h3>👋 Welcome to AI Chat Assistant</h3>
	<p>I'm here to help you with any questions or tasks. Here are some things I can do:</p>
	<div class="quick-actions">
	<button class="quick-action-btn" onclick="sendQuickAction('Tell me a joke')">Tell me a joke</button>
	<button class="quick-action-btn" onclick="sendQuickAction('Write a poem')">Write a poem</button>
	<button class="quick-action-btn" onclick="sendQuickAction('Explain quantum physics')">Explain quantum physics</button>
	<button class="quick-action-btn" onclick="sendQuickAction('Help with coding')">Help with coding</button>
	</div>
	</div>

	<div class="settings-modal" id="settings-modal">
	<div class="settings-content">
	<div class="settings-header">
	<h2>Settings</h2>
	<button class="close-settings">×</button>
	</div>
	<div class="settings-body">
	<div class="settings-section">
	<h3>Theme</h3>
	<div class="theme-options">
	<button class="theme-btn active" data-theme="dark">Dark</button>
	<button class="theme-btn" data-theme="light">Light</button>
	<button class="theme-btn" data-theme="system">System</button>
	</div>
	</div>
	<div class="settings-section">
	<h3>Language</h3>
	<select class="language-select">
	<option value="en">English</option>
	<option value="es">Español</option>
	<option value="fr">Français</option>
	</select>
	</div>
	</div>
	</div>
	</div>

	<script>
	// Global variables
	const MISTRAL_API_KEY = 'UgKksYvcKnoxvJ13q5UBjL3AdU8Mu1DQ';
	const chatMessages = document.getElementById('chat-messages');
	const userInput = document.getElementById('user-input');
	const sendButton = document.getElementById('send-button');
	const scrollTopBtn = document.getElementById('scroll-top');
	const scrollBottomBtn = document.getElementById('scroll-bottom');
	let lastScrollTop = 0;
	let scrollCount = 0;
	let scrollTimeout;
	let chats = [];
	let currentChatId = null;

	// Initialize everything when the page loads
	document.addEventListener('DOMContentLoaded', () => {
	initializeScrollButtons();

	// Only create one initial chat if no chats exist
	if (chats.length === 0) {
	createNewChat();
	}

	// Add event listeners
	userInput.addEventListener('keypress', (e) => {
	if (e.key === 'Enter' && !e.shiftKey) {
	e.preventDefault();
	sendMessage();
	}
	});

	userInput.addEventListener('input', () => {
	const isEmpty = userInput.value.trim() === '';
	sendButton.classList.toggle('disabled', isEmpty);
	});

	// Initialize send button state
	sendButton.classList.add('disabled');
	});

	// Remove all the duplicate function declarations and keep only one version of each:
	// - createNewChat
	// - updateChatList
	// - deleteChat
	// - switchChat
	// - updateChatTitle
	// - clearMessages
	// - formatMessage
	// - escapeHtml
	// - handleCopyClick
	// - sendMessage
	// - removeMessage
	// - initializeScrollButtons
	// - handleScroll
	// - scrollToTop
	// - scrollToBottom

	// Update the addMessage function to include both chat and scroll functionality
	function addMessage(text, sender, save = true) {
	const messageDiv = document.createElement('div');
	messageDiv.className = `message ${sender}-message`;

	const avatar = document.createElement('div');
	avatar.className = `avatar ${sender}-avatar`;
	avatar.textContent = sender === 'user' ? 'U' : 'AI';

	const content = document.createElement('div');
	content.className = 'message-content';

	if (text === 'Thinking...') {
	content.innerHTML = `
	<div class="thinking">
	<span>Thinking</span>
	<div class="loading-dots">
	<span></span>
	<span></span>
	<span></span>
	</div>
	</div>`;
	} else {
	content.innerHTML = formatMessage(text);

	// Add copy functionality to any code blocks
	content.querySelectorAll('.copy-button').forEach(button => {
	button.addEventListener('click', handleCopyClick);
	});
	}

	messageDiv.appendChild(avatar);
	messageDiv.appendChild(content);

	const id = Date.now();
	messageDiv.id = `message-${id}`;

	chatMessages.appendChild(messageDiv);

	// Save message to current chat
	if (save && currentChatId) {
	const chat = chats.find(c => c.id === currentChatId);
	if (chat) {
	chat.messages.push({ content: text, sender });
	// Auto-generate title from first user message
	if (chat.title === 'New Chat' && sender === 'user') {
	const title = text.slice(0, 30) + (text.length > 30 ? '...' : '');
	updateChatTitle(title);
	}
	}
	}

	// Improved scroll handling
	const shouldScroll = chatMessages.scrollTop + chatMessages.clientHeight >= chatMessages.scrollHeight - 100;

	// Wait for content to be rendered
	setTimeout(() => {
	if (shouldScroll) {
	chatMessages.scrollTo({
	top: chatMessages.scrollHeight,
	behavior: 'smooth'
	});
	}
	handleScroll();
	}, 100);

	// Scroll to bottom after adding message
	setTimeout(() => {
	chatMessages.scrollTop = chatMessages.scrollHeight;
	}, 100);

	return id;
	}

	function formatMessage(text) {
	const codeBlockRegex = /```(\w)\n([\s\S]?)```/g;
	let formattedText = text;

	// Process code blocks
	formattedText = formattedText.replace(codeBlockRegex, (match, language, code) => {
	const highlightedCode = highlightSyntax(code.trim(), language);
	return `
	<div class="code-block" data-language="${language \|\| 'plaintext'}">
	<span class="language-label">${language \|\| 'plaintext'}</span>
	<pre><code>${highlightedCode}</code></pre>
	<button class="copy-button" data-code="${encodeURIComponent(code.trim())}">
	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M8 4v12a2 2 0 002 2h8a2 2 0 002-2V7.242a2 2 0 00-.602-1.43L16.083 2.57A2 2 0 0014.685 2H10a2 2 0 00-2 2z"/>
	<path d="M16 18v2a2 2 0 01-2 2H6a2 2 0 01-2-2V9a2 2 0 012-2h2"/>
	</svg>
	Copy
	</button>
	</div>
	`;
	});

	return formattedText;
	}

	function highlightSyntax(code, language) {
	// Basic syntax highlighting
	return code
	.replace(/&/g, '&')
	.replace(/</g, '<')
	.replace(/>/g, '>')
	// Keywords
	.replace(/\b(function\|const\|let\|var\|if\|else\|return\|class\|import\|export\|default\|new\|this\|for\|while\|break\|continue)\b/g, '<span class="keyword">$1</span>')
	// Strings
	.replace(/(".?"\|'.?'\|`.*?`)/g, '<span class="string">$1</span>')
	// Comments
	.replace(/(\/\/.\|\/\[\s\S]?\\/)/g, '<span class="comment">$1</span>')
	// Numbers
	.replace(/\b(\d+)\b/g, '<span class="number">$1</span>')
	// Functions
	.replace(/(\w+)\(/g, '<span class="function">$1</span>(')
	// Classes
	.replace(/\b([A-Z]\w*)\b/g, '<span class="class">$1</span>')
	// Properties
	.replace(/\.(\w+)\b/g, '.<span class="property">$1</span>');
	}

	function handleCopyClick(event) {
	const button = event.target.closest('.copy-button');
	if (!button) return;

	const code = decodeURIComponent(button.dataset.code);

	navigator.clipboard.writeText(code).then(() => {
	const originalText = button.innerHTML;
	button.innerHTML = `
	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M20 6L9 17l-5-5"/>
	</svg>
	Copied!
	`;
	button.style.background = '#10B981';

	setTimeout(() => {
	button.innerHTML = originalText;
	button.style.background = '';
	}, 2000);
	}).catch(err => {
	console.error('Failed to copy:', err);
	button.textContent = 'Failed';
	});
	}

	async function sendMessage() {
	const message = userInput.value.trim();
	if (!message) return;

	try {
	addMessage(message, 'user');
	userInput.value = '';
	scrollToBottom(true); // Immediate scroll after user message

	const loadingId = addMessage('Thinking...', 'ai');
	scrollToBottom(true); // Immediate scroll for loading message

	const response = await fetch('https://api.mistral.ai/v1/chat/completions', {
	method: 'POST',
	headers: {
	'Content-Type': 'application/json',
	'Authorization': `Bearer ${MISTRAL_API_KEY}`,
	'Accept': 'application/json'
	},
	body: JSON.stringify({
	model: "mistral-small",
	messages: [
	{
	role: "system",
	content: "You are a helpful AI assistant. Provide clear and concise responses."
	},
	{
	role: "user",
	content: message
	}
	],
	max_tokens: 1000,
	temperature: 0.7
	})
	});

	if (!response.ok) {
	const errorData = await response.json().catch(() => ({}));
	throw new Error(
	`API Error (${response.status}): ${errorData.error?.message \|\| 'Unknown error'}`
	);
	}

	const data = await response.json();
	removeMessage(loadingId);

	if (data.choices && data.choices[0] && data.choices[0].message) {
	removeMessage(loadingId);
	addMessage(data.choices[0].message.content, 'ai');
	scrollToBottom(); // Smooth scroll for AI response
	} else {
	console.error('Unexpected API response:', data);
	addMessage('Sorry, I received an unexpected response format.', 'ai');
	scrollToBottom();
	}
	} catch (error) {
	console.error('Error details:', error);
	removeMessage(loadingId);
	addMessage(`Sorry, I encountered an error: ${error.message}`, 'ai');
	scrollToBottom();
	} finally {
	userInput.disabled = false;
	sendButton.classList.remove('disabled');
	userInput.focus();
	}
	}

	function removeMessage(id) {
	const message = document.getElementById(`message-${id}`);
	if (message) {
	message.remove();
	}
	}

	function initializeScrollButtons() {
	const scrollTopBtn = document.getElementById('scroll-top');
	const scrollBottomBtn = document.getElementById('scroll-bottom');
	const chatMessages = document.getElementById('chat-messages');

	chatMessages.addEventListener('scroll', () => {
	// Show top button when scrolled down
	if (chatMessages.scrollTop > 500) {
	scrollTopBtn.classList.add('visible');
	} else {
	scrollTopBtn.classList.remove('visible');
	}

	// Show bottom button when not at bottom
	const isAtBottom = chatMessages.scrollHeight - chatMessages.scrollTop - chatMessages.clientHeight < 100;
	if (!isAtBottom) {
	scrollBottomBtn.classList.add('visible');
	} else {
	scrollBottomBtn.classList.remove('visible');
	}
	});

	// Scroll to top
	scrollTopBtn.addEventListener('click', () => {
	chatMessages.scrollTo({ top: 0, behavior: 'smooth' });
	});

	// Scroll to bottom
	scrollBottomBtn.addEventListener('click', () => {
	chatMessages.scrollTo({ top: chatMessages.scrollHeight, behavior: 'smooth' });
	});
	}

	function handleScroll() {
	const scrollTop = chatMessages.scrollTop;
	const scrollHeight = chatMessages.scrollHeight;
	const clientHeight = chatMessages.clientHeight;

	if (scrollTop > 100) {
	scrollTopBtn.classList.add('visible');
	} else {
	scrollTopBtn.classList.remove('visible');
	}

	if (scrollTop < lastScrollTop) {
	scrollCount++;
	if (scrollCount >= 2) {
	scrollBottomBtn.classList.add('visible');
	}
	} else {
	scrollCount = 0;
	scrollBottomBtn.classList.remove('visible');
	}

	clearTimeout(scrollTimeout);
	scrollTimeout = setTimeout(() => {
	scrollCount = 0;
	}, 1000);

	lastScrollTop = scrollTop;

	if (scrollHeight - scrollTop - clientHeight < 20) {
	scrollBottomBtn.classList.remove('visible');
	}
	}

	function scrollToTop() {
	chatMessages.scrollTo({
	top: 0,
	behavior: 'smooth'
	});
	}

	function scrollToBottom(immediate = false) {
	const chatMessages = document.getElementById('chat-messages');
	if (chatMessages) {
	const scrollOptions = {
	top: chatMessages.scrollHeight,
	behavior: immediate ? 'auto' : 'smooth'
	};

	// For mobile Safari
	if (chatMessages.scrollTo) {
	chatMessages.scrollTo(scrollOptions);
	} else {
	chatMessages.scrollTop = chatMessages.scrollHeight;
	}
	}
	}

	// Initialize with a new chat
	createNewChat();

	function createNewChat() {
	const chatId = Date.now();
	const chat = {
	id: chatId,
	title: 'New Chat',
	messages: []
	};

	chats.push(chat);
	currentChatId = chatId;

	// Clear existing messages
	clearMessages();

	// Update chat list and title
	updateChatList();
	updateChatTitle('New Chat');

	// Add welcome message for every new chat
	const welcomeMessage = document.createElement('div');
	welcomeMessage.className = 'welcome-message';
	welcomeMessage.innerHTML = `
	<h3>👋 Welcome to Rxple AI Chat Assistant</h3>
	<p>I'm here to help you with any questions or tasks. Here are some things I can do:</p>
	<div class="quick-actions">
	<button class="quick-action-btn" onclick="sendQuickAction('Tell me a joke')">Tell me a joke</button>
	<button class="quick-action-btn" onclick="sendQuickAction('Write a poem')">Write a poem</button>
	<button class="quick-action-btn" onclick="sendQuickAction('Explain quantum physics')">Explain quantum physics</button>
	<button class="quick-action-btn" onclick="sendQuickAction('Help with coding')">Help with coding</button>
	</div>
	`;
	chatMessages.appendChild(welcomeMessage);
	}

	function updateChatList() {
	const chatList = document.getElementById('chat-list');
	chatList.innerHTML = '';

	chats.forEach(chat => {
	const chatItem = document.createElement('div');
	chatItem.className = `chat-item ${chat.id === currentChatId ? 'active' : ''}`;
	chatItem.innerHTML = `
	<span>${chat.title}</span>
	<button class="delete-chat" onclick="deleteChat(${chat.id})">
	<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
	<path d="M3 6h18"></path>
	<path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6"></path>
	<path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path>
	</svg>
	</button>
	`;
	chatItem.onclick = (e) => {
	if (!e.target.closest('.delete-chat')) {
	switchChat(chat.id);
	}
	};
	chatList.appendChild(chatItem);
	});
	}

	function deleteChat(chatId) {
	if (confirm('Are you sure you want to delete this chat?')) {
	chats = chats.filter(chat => chat.id !== chatId);
	if (currentChatId === chatId) {
	if (chats.length > 0) {
	switchChat(chats[0].id);
	} else {
	createNewChat();
	}
	}
	updateChatList();
	}
	}

	function switchChat(chatId) {
	currentChatId = chatId;
	const chat = chats.find(c => c.id === chatId);
	clearMessages();
	chat.messages.forEach(msg => {
	addMessage(msg.content, msg.sender, false);
	});
	updateChatTitle(chat.title);
	updateChatList();
	}

	function updateChatTitle(title) {
	document.getElementById('current-chat-title').textContent = title;
	if (currentChatId) {
	const chat = chats.find(c => c.id === currentChatId);
	if (chat) {
	chat.title = title;
	updateChatList();
	}
	}
	}

	function clearMessages() {
	chatMessages.innerHTML = '';
	}

	// Mobile menu functionality
	const menuButton = document.getElementById('menu-button');
	const sidebar = document.querySelector('.sidebar');
	const overlay = document.getElementById('overlay');

	function checkScreenSize() {
	if (window.innerWidth <= 768) {
	menuButton.style.display = 'flex';
	menuButton.style.opacity = sidebar.classList.contains('active') ? '0' : '1';
	} else {
	menuButton.style.display = 'none';
	menuButton.style.opacity = '1';
	sidebar.classList.remove('active');
	overlay.classList.remove('active');
	}
	}

	menuButton.addEventListener('click', () => {
	sidebar.classList.toggle('active');
	overlay.classList.toggle('active');
	// Hide menu button when sidebar is open
	menuButton.style.opacity = sidebar.classList.contains('active') ? '0' : '1';
	});

	overlay.addEventListener('click', () => {
	sidebar.classList.remove('active');
	overlay.classList.remove('active');
	// Show menu button when sidebar is closed
	menuButton.style.opacity = '1';
	});

	// Check screen size on load and resize
	window.addEventListener('load', checkScreenSize);
	window.addEventListener('resize', checkScreenSize);

	// Close sidebar when clicking outside on mobile
	document.addEventListener('click', (e) => {
	if (window.innerWidth <= 768 &&
	!e.target.closest('.sidebar') &&
	!e.target.closest('.menu-button') &&
	sidebar.classList.contains('active')) {
	sidebar.classList.remove('active');
	overlay.classList.remove('active');
	}
	});

	// Update scroll button positions for mobile
	function updateScrollButtonPositions() {
	const inputHeight = document.querySelector('.input-container').offsetHeight;
	const scrollTopBtn = document.getElementById('scroll-top');
	const scrollBottomBtn = document.getElementById('scroll-bottom');

	if (window.innerWidth <= 768) {
	scrollBottomBtn.style.bottom = `${inputHeight + 20}px`;
	scrollTopBtn.style.bottom = `${inputHeight + 80}px`;
	} else {
	scrollBottomBtn.style.bottom = '40px';
	scrollTopBtn.style.bottom = '100px';
	}
	}

	// Update positions on load and resize
	window.addEventListener('load', updateScrollButtonPositions);
	window.addEventListener('resize', updateScrollButtonPositions);

	// Add transition to menu button in your styles
	const style = document.createElement('style');
	style.textContent = `
	.menu-button {
	transition: opacity 0.3s ease;
	}
	`;
	document.head.appendChild(style);

	function sendQuickAction(text) {
	userInput.value = text;
	sendMessage();
	}

	// Settings functionality
	const settingsButton = document.getElementById('settings-button');
	const settingsModal = document.getElementById('settings-modal');
	const closeSettings = document.querySelector('.close-settings');

	settingsButton.addEventListener('click', () => {
	settingsModal.classList.add('active');
	});

	closeSettings.addEventListener('click', () => {
	settingsModal.classList.remove('active');
	});

	// Close modal when clicking outside
	settingsModal.addEventListener('click', (e) => {
	if (e.target === settingsModal) {
	settingsModal.classList.remove('active');
	}
	});

	// Theme switching functionality
	const themeButtons = document.querySelectorAll('.theme-btn');
	themeButtons.forEach(button => {
	button.addEventListener('click', () => {
	themeButtons.forEach(btn => btn.classList.remove('active'));
	button.classList.add('active');
	// Add theme switching logic here
	});
	});

	function startChat() {
	document.getElementById('landing-page').classList.add('hidden');
	// Remove the createNewChat() call here since it's already initialized
	}

	// Add this to handle mobile viewport height issues
	function setMobileHeight() {
	const vh = window.innerHeight * 0.01;
	document.documentElement.style.setProperty('--vh', `${vh}px`);
	}

	window.addEventListener('load', setMobileHeight);
	window.addEventListener('resize', setMobileHeight);
	</script>
	</body>
	</html>