base2 / chat.html

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	<!DOCTYPE html>
	<html lang="en" data-bs-theme="dark">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>GAKR AI - Chat</title>
	<link rel="stylesheet" href="https://cdn.replit.com/agent/bootstrap-agent-dark-theme.min.css">
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">
	<link rel="stylesheet" href="style.css">
	<style>
	/* --- Define CSS Variables (Copy from homepage or ensure in style.css) --- */
	:root {
	/* Default light mode colors (adjust as needed) */
	--gakr-blue: #4285F4;
	--gakr-blue-dark: #1a73e8; /* A slightly darker shade for active states */
	--gakr-blue-light: #e8f0fe; /* A light shade for backgrounds */
	--gakr-grey-text: #5f6368;
	--gakr-grey-hover-bg: rgba(95, 99, 104, 0.1); /* Subtle hover for grey icons */
	}

	:root[data-bs-theme="dark"] {
	/* Dark mode overrides (adjust based on your bootstrap dark theme vars) */
	--gakr-blue: #8ab4f8; /* Lighter blue for dark mode */
	--gakr-blue-dark: #669df6;
	--gakr-blue-light: rgba(138, 180, 248, 0.1); /* Light blue background with transparency */
	--gakr-grey-text: #bdc1c6;
	--gakr-grey-hover-bg: rgba(189, 193, 198, 0.1);
	/* Ensure --bs-body-bg, --bs-body-color, --bs-border-color etc. are correctly set by bootstrap theme */
	}

	/* --- Base Chat Layout --- */
	.gemini-chat-layout {
	display: flex;
	flex-direction: column;
	height: 100vh;
	width: 100%;
	background-color: var(--bs-body-bg); /* Use BS var */
	color: var(--bs-body-color); /* Use BS var */
	}

	.gemini-chat-header {
	padding: 0.75rem 1.5rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	border-bottom: 1px solid var(--bs-border-color);
	height: 64px;
	}

	.gemini-logo-area {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	}

	.gemini-brand-logo {
	width: 24px;
	height: 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	}

	.gemini-brand-text {
	font-size: 1.25rem;
	font-weight: 500;
	color: var(--gakr-blue);
	}

	.gemini-chat-wrapper {
	flex: 1;
	overflow: hidden;
	position: relative;
	display: flex;
	flex-direction: column;
	}

	.gemini-chat-container {
	flex: 1;
	overflow-y: auto;
	padding: 1rem;
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	width: 100%;
	max-width: 800px;
	margin: 0 auto;
	}

	.gemini-prompt-area {
	padding: 1rem;
	border-top: 1px solid var(--bs-border-color);
	width: 100%;
	max-width: 800px;
	margin: 0 auto;
	/* --- MODIFIED CSS: Add relative positioning for options container --- */
	position: relative;
	/* --- END MODIFIED CSS --- */
	}

	.gemini-message {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	max-width: 90%;
	}

	.gemini-message-user {
	align-self: flex-end;
	}

	.gemini-message-ai {
	align-self: flex-start;
	}

	.gemini-message-header {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.85rem;
	color: var(--bs-secondary-color);
	}

	.gemini-message-avatar {
	width: 24px;
	height: 24px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.75rem;
	}

	.gemini-message-content {
	padding: 1rem;
	border-radius: 12px;
	line-height: 1.5;
	/* Ensure text wrapping */
	white-space: pre-wrap;
	word-break: break-word;
	}

	.gemini-message-user .gemini-message-content {
	background-color: var(--bs-tertiary-bg);
	border-top-right-radius: 4px;
	}

	.gemini-message-ai .gemini-message-content {
	background-color: rgba(66, 133, 244, 0.1);
	border-top-left-radius: 4px;
	}

	.gemini-message-user .gemini-message-avatar {
	background-color: var(--bs-tertiary-bg);
	}

	.gemini-message-ai .gemini-message-avatar {
	background-color: rgba(66, 133, 244, 0.2);
	color: var(--gakr-blue);
	}

	/* --- MODIFIED CSS FOR INPUT/TEXTAREA AND ACTIONS --- */
	.gemini-input-container {
	position: relative; /* Keep relative */
	border-radius: 24px;
	border: 1px solid var(--bs-border-color);
	background: var(--bs-body-bg);
	padding: 0.75rem 1rem; /* Padding around content */
	display: flex;
	/* --- MODIFIED: align-items to flex-end for textarea --- */
	align-items: flex-end;
	/* --- END MODIFIED --- */
	box-shadow: 0 1px 5px rgba(0,0,0,0.1);
	/* Added focus transition from homepage */
	transition: border-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
	flex-wrap: wrap; /* Allow items to wrap when attachments are added */
	gap: 0.5rem; /* Space between attachments and input */
	}

	/* Style when the container or its children are focused */
	.gemini-input-container:focus-within {
	border-color: var(--gakr-blue);
	box-shadow: 0 1px 8px rgba(66, 133, 244, 0.2);
	background: var(--bs-body-bg);
	}

	/* Style the textarea (#userInput) */
	.gemini-input { /* Targets the textarea with id="userInput" */
	flex: 1; /* Textarea takes available space */
	border: none;
	background: transparent;
	/* --- MODIFIED: Padding adjustment for textarea (removed initial padding to be controlled by JS) --- */
	padding: 0; /* Changed from 0.5rem 0.5rem */
	/* Removed fixed height: height: 24px; from previous input styles */
	/* Removed fixed max-height: 120px; from chat page styles */
	outline: none;
	color: var(--bs-body-color);
	font-size: 1rem; /* Keep font size */
	resize: none; /* Prevent manual resizing */
	overflow-y: hidden; /* JS manages this */
	line-height: 1.4; /* Adjust line height as needed */
	/* Min/Max height calculation (adjust if 1rem font size differs) */
	min-height: calc(1rem * 1.4); /* Approx height of 1 line */
	max-height: calc(1rem * 1.4 * 5); /* Approx max height (5 lines) */
	box-sizing: border-box; /* Include padding/border in element size */
	white-space: pre-wrap; /* Ensure text wraps */
	word-break: break-word; /* Break long words */
	vertical-align: bottom; /* Align baseline to bottom */
	transition: height 0.3s ease-in-out; /* Animate height change */
	}

	.gemini-input:focus {
	outline: none;
	}


	.gemini-input-actions {
	display: flex;
	/* --- MODIFIED: align-items to flex-end for textarea --- */
	align-items: flex-end;
	/* --- ADDED: padding-bottom to align icons --- */
	padding-bottom: 0px; /* Changed from 0.5rem, controlled by JS */
	/* --- END MODIFIED --- */
	gap: 0.5rem;
	font-size: 1.25rem;
	flex-shrink: 0; /* Prevent shrinking */
	}

	/* Reusing .gemini-action-button styles for new '+' button */
	.gemini-action-button {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: var(--bs-secondary-color); /* Use BS var */
	/* Added hover/active transitions from homepage */
	transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
	}

	.gemini-action-button:hover {
	background-color: var(--bs-tertiary-bg); /* Use BS var */
	color: var(--bs-body-color); /* Darken icon color slightly on hover */
	}

	.gemini-action-button:active {
	transform: scale(0.95); /* Slight press effect */
	background-color: var(--bs-tertiary-bg); /* Keep hover bg on active */
	color: var(--bs-body-color);
	transition: background-color 0s, transform 0.1s; /* Make feedback immediate */
	}

	.gemini-submit-button {
	color: var(--gakr-blue); /* Use CSS var */
	}

	/* Specific styles for submit button hover/active */
	.gemini-submit-button:hover {
	background-color: var(--gakr-blue-light); /* Light blue background on hover */
	color: var(--gakr-blue-dark); /* Darker blue icon on hover */
	}

	.gemini-submit-button:active {
	transform: scale(0.95); /* Slight press effect */
	background-color: var(--gakr-blue-light);
	color: var(--gakr-blue-dark);
	transition: background-color 0s, transform 0.1s;
	}

	.gemini-submit-button.disabled {
	opacity: 0.5;
	cursor: default;
	/* Ensure transitions are off when disabled to avoid weird states */
	transition: none;
	}

	.gemini-submit-button.disabled:hover {
	background-color: transparent;
	color: var(--gakr-blue); /* Keep original color when disabled */
	}
	/* --- END MODIFIED CSS --- */


	.gemini-typing {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 0.75rem 1rem;
	border-radius: 12px;
	background-color: rgba(66, 133, 244, 0.1);
	margin-bottom: 1rem;
	align-self: flex-end;
	}

	.gemini-typing-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: var(--gakr-blue);
	animation: typing 1.3s infinite ease-in-out;
	}

	.gemini-typing-dot:nth-child(1) { animation-delay: 0s; }
	.gemini-typing-dot:nth-child(2) { animation-delay: 0.2s; }
	.gemini-typing-dot:nth-child(3) { animation-delay: 0.4s; }

	.gemini-thinking-toggle {
	background: none;
	border: none;
	color: var(--gakr-blue);
	cursor: pointer;
	font-size: 0.9rem;
	padding: 0;
	margin-bottom: 0.5rem;
	text-decoration: underline;
	}

	.gemini-thinking-content {
	display: block;
	margin-top: 0.5rem;
	padding: 0.5rem;
	background-color: rgba(138, 180, 248, 0.05);
	border-left: 3px solid var(--gakr-blue);
	font-style: italic;
	}

	.gemini-welcome {
	text-align: center;
	max-width: 600px;
	margin: 4rem auto;
	}

	.gemini-welcome-icon {
	font-size: 3rem;
	margin-bottom: 1.5rem;
	color: var(--gakr-blue);
	}

	.gemini-welcome-title {
	font-size: 2rem;
	margin-bottom: 1rem;
	font-weight: 500;
	}

	/* Login button styling (from homepage) */
	.gemini-login-button {
	color: var(--gakr-blue);
	text-decoration: none;
	background: transparent;
	border: 1px solid var(--gakr-blue);
	padding: 0.5rem 1rem;
	border-radius: 50px;
	font-size: 0.9rem;
	transition: background-color 0.2s;
	}

	.gemini-login-button:hover {
	background-color: rgba(66, 133, 244, 0.1);
	}

	/* Login prompt modal (keep existing) */
	.gemini-login-prompt {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 1000;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s, visibility 0.3s;
	}

	.gemini-login-prompt.show {
	opacity: 1;
	visibility: visible;
	}

	.gemini-login-prompt-content {
	background-color: var(--bs-body-bg);
	border-radius: 12px;
	padding: 1.5rem;
	max-width: 400px;
	width: 90%;
	}

	.gemini-login-prompt-title {
	font-size: 1.25rem;
	font-weight: 500;
	margin-bottom: 1rem;
	color: var(--gakr-blue);
	}

	.gemini-login-prompt-buttons {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	margin-top: 1.5rem;
	}

	.gemini-button-primary {
	background-color: var(--gakr-blue);
	color: white;
	border: none;
	padding: 0.75rem 1rem;
	border-radius: 50px;
	font-size: 0.9rem;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s;
	}

	.gemini-button-primary:hover {
	background-color: #3b78e7;
	}

	.gemini-button-secondary {
	background-color: transparent;
	color: var(--gakr-blue);
	border: 1px solid var(--gakr-blue);
	padding: 0.75rem 1rem;
	border-radius: 50px;
	font-size: 0.9rem;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s;
	}

	.gemini-button-secondary:hover {
	background-color: rgba(66, 133, 244, 0.1);
	}

	.gemini-button-text {
	background-color: transparent;
	color: var(--bs-body-color);
	border: none;
	padding: 0.75rem 1rem;
	border-radius: 50px;
	font-size: 0.9rem;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s;
	}

	.gemini-button-text:hover {
	background-color: var(--bs-tertiary-bg);
	}

	/* --- NEW CSS for Attachment Options --- */
	.attachment-options-container {
	position: absolute;
	bottom: 100%; /* Position above the input bar */
	left: 1rem; /* Align with left edge padding of prompt area */
	transform: translateY(-10px); /* Slight initial lift */
	z-index: 10; /* Ensure it's above chat messages */

	background-color: var(--bs-body-bg);
	border: 1px solid var(--bs-border-color);
	border-radius: 15px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
	padding: 15px;

	display: flex;
	gap: 20px;
	justify-content: flex-start; /* Align options to the left */
	min-width: max-content;

	opacity: 0;
	visibility: hidden;
	pointer-events: none; /* Prevent clicks when hidden */

	transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out, visibility 0s linear 0.3s; /* Animate opacity/transform, hide visibility after */
	}

	/* State when visible */
	.attachment-options-container.visible {
	opacity: 1;
	visibility: visible;
	pointer-events: auto; /* Allow clicks when visible */
	transform: translateY(-20px); /* Slight slide up effect */
	transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out, visibility 0s linear 0s; /* Show visibility immediately */
	}

	.attachment-option {
	display: flex;
	flex-direction: column;
	align-items: center;
	cursor: pointer;
	color: var(--bs-body-color);
	font-size: 0.8rem;
	gap: 5px;
	transition: color 0.2s ease-in-out;
	}

	.attachment-option:hover {
	color: var(--gakr-blue);
	}

	.attachment-icon {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background-color: var(--bs-tertiary-bg);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.2rem;
	transition: background-color 0.2s ease-in-out;
	}

	.attachment-option:hover .attachment-icon {
	background-color: var(--gakr-blue-light);
	}

	.attachment-text {
	text-align: center;
	}

	/* Styles for attached file chips */
	.attached-file-preview-container {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	/* Removed padding-bottom from here, handled by JS setting padding-top on textarea */
	width: 100%; /* Take full width of parent container */
	}

	.attached-file-chip {
	display: flex;
	align-items: center;
	background-color: var(--bs-tertiary-bg);
	border-radius: 16px;
	padding: 4px 8px;
	font-size: 0.85rem;
	color: var(--bs-body-color);
	max-width: 150px; /* Limit chip width */
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	position: relative; /* For the close button */
	}

	.attached-file-chip .file-name {
	flex-grow: 1;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	padding-right: 8px; /* Space for close button */
	}

	.attached-file-chip .remove-file {
	cursor: pointer;
	margin-left: 4px;
	color: var(--bs-secondary-color);
	}

	.attached-file-chip .remove-file:hover {
	color: var(--bs-body-color);
	}

	.attached-file-chip img {
	width: 24px;
	height: 24px;
	border-radius: 4px;
	object-fit: cover;
	margin-right: 8px;
	}

	/* Hide file inputs */
	.hidden-file-input {
	display: none;
	}


	/* --- END NEW CSS --- */

	</style>
	</head>
	<body>
	<div class="gemini-chat-layout">
	<header class="gemini-chat-header">
	<div class="gemini-logo-area">
	<a href="/" class="gemini-brand-logo">
	<i class="fas fa-robot" style="color: var(--gakr-blue);"></i>
	</a>
	<a href="/" class="gemini-brand-text" style="text-decoration: none;">GAKR AI</a>
	</div>

	<div class="gemini-nav-controls">
	<a href="auth.html" class="gemini-login-button">Sign in / Register</a>
	</div>
	</header>

	<div class="gemini-chat-wrapper">
	<div class="gemini-chat-container" id="chatContainer">
	<div class="gemini-welcome" id="welcomeMessage">
	<div class="gemini-welcome-icon">
	<i class="fas fa-robot"></i>
	</div>
	<h1 class="gemini-welcome-title">How can I help you today?</h1>
	<p>I'm GAKR AI, your AI assistant. Ask me anything!</p>
	</div>

	<div class="gemini-message gemini-message-ai d-none" id="initialMessage">
	<div class="gemini-message-header">
	<div class="gemini-message-avatar">
	<i class="fas fa-robot"></i>
	</div>
	<span>GAKR AI</span>
	</div>
	<div class="gemini-message-content">Hello! I'm GAKR AI How can I help you today?
	</div>
	</div>

	<div class="gemini-typing d-none" id="typingIndicator">
	<div class="gemini-typing-dot"></div>
	<div class="gemini-typing-dot"></div>
	<div class="gemini-typing-dot"></div>
	</div>
	</div>

	<div class="gemini-prompt-area">
	<div class="gemini-input-container" id="inputContainer">
	<div class="gemini-action-button" id="addButton">
	<i class="fas fa-plus"></i>
	</div>
	<div class="attached-file-preview-container" id="attachedFilePreviewContainer">
	</div>
	<textarea class="gemini-input" id="userInput" placeholder="Message GAKR AI..." rows="1"></textarea>

	<div class="gemini-input-actions">
	<div class="gemini-action-button">
	<i class="fas fa-microphone"></i>
	</div>
	<div class="gemini-action-button gemini-submit-button disabled" id="submitButton">
	<i class="fas fa-arrow-right"></i>
	</div>
	</div>
	</div>

	<div class="attachment-options-container">
	<div class="attachment-option" id="cameraOption">
	<div class="attachment-icon"><i class="fas fa-camera"></i></div>
	<div class="attachment-text">Camera</div>
	<input type="file" id="cameraInput" class="hidden-file-input" accept="image/*" capture="camera">
	</div>
	<div class="attachment-option" id="galleryOption">
	<div class="attachment-icon"><i class="fas fa-image"></i></div>
	<div class="attachment-text">Gallery</div>
	<input type="file" id="galleryInput" class="hidden-file-input" accept="image/*">
	</div>
	<div class="attachment-option" id="filesOption">
	<div class="attachment-icon"><i class="fas fa-paperclip"></i></div>
	<div class="attachment-text">Files</div>
	<input type="file" id="filesInput" class="hidden-file-input" accept="/">
	</div>
	<div class="attachment-option" id="driveOption">
	<div class="attachment-icon"><i class="fab fa-google-drive"></i></div>
	<div class="attachment-text">Drive</div>
	</div>
	</div>
	</div>
	</div>

	<div class="gemini-login-prompt" id="loginPrompt">
	<div class="gemini-login-prompt-content">
	<div class="gemini-login-prompt-title">Continue with GAKR AI</div>
	<p>You've had 5 conversations with GAKR AI. Would you like to create an account to save your history?</p>
	<div class="gemini-login-prompt-buttons">
	<a href="login.html" class="gemini-button-primary">Sign in</a>
	<a href="/login?signup=true" class="gemini-button-secondary">Create account</a>
	<button type="button" class="gemini-button-text" id="continueGuest">Continue as guest</button>
	</div>
	</div>
	</div>
	</div>
	<script>
	document.addEventListener('DOMContentLoaded', function() {
	const chatContainer = document.getElementById('chatContainer');
	const userInput = document.getElementById('userInput'); // textarea
	const submitButton = document.getElementById('submitButton');
	const typingIndicator = document.getElementById('typingIndicator');
	const welcomeMessage = document.getElementById('welcomeMessage');
	const initialMessage = document.getElementById('initialMessage');
	const loginPrompt = document.getElementById('loginPrompt');
	const continueGuest = document.getElementById('continueGuest');

	const addButton = document.getElementById('addButton');
	const attachmentOptionsContainer = document.querySelector('.attachment-options-container');

	const cameraInput = document.getElementById('cameraInput');
	const galleryInput = document.getElementById('galleryInput');
	const filesInput = document.getElementById('filesInput');
	const attachedFilePreviewContainer = document.getElementById('attachedFilePreviewContainer');
	const inputContainer = document.getElementById('inputContainer');

	let messageCount = 0;
	let attachedFiles = [];

	// Simple login flag (set in auth flow: localStorage.setItem("gakr_is_logged_in","true"))
	const isLoggedIn = localStorage.getItem("gakr_is_logged_in") === "true";

	// --- Textarea Auto-Grow & Scroll Logic (original, kept) ---
	const style = getComputedStyle(userInput);
	const lineHeight = parseFloat(style.lineHeight);
	const minHeight = lineHeight;
	const maxHeight = lineHeight * 5;

	const initialInputContainerPaddingTop = parseFloat(getComputedStyle(inputContainer).paddingTop);
	const initialInputContainerPaddingBottom = parseFloat(getComputedStyle(inputContainer).paddingBottom);
	const initialActionButtonsHeight = document.querySelector('.gemini-input-actions').offsetHeight;

	function autoGrowTextarea() {
	if (!userInput) {
	console.error("autoGrowTextarea called but userInput element not found.");
	return;
	}

	userInput.style.height = 'auto';
	const scrollHeight = userInput.scrollHeight;

	let newTextareaHeight = Math.min(Math.max(scrollHeight, minHeight), maxHeight);
	userInput.style.height = newTextareaHeight + 'px';

	if (attachedFiles.length > 0) {
	userInput.style.paddingTop = '0px';
	userInput.style.paddingBottom = '0px';
	inputContainer.style.alignItems = 'flex-start';
	} else {
	userInput.style.paddingTop = '0px';
	userInput.style.paddingBottom = '0px';
	inputContainer.style.alignItems = 'flex-end';
	}

	if (scrollHeight > maxHeight) {
	userInput.style.overflowY = 'auto';
	} else {
	userInput.style.overflowY = 'hidden';
	}

	// Prompt is required; files alone cannot send
	if (userInput.value.trim().length > 0) {
	submitButton.classList.remove('disabled');
	} else {
	submitButton.classList.add('disabled');
	}
	}

	userInput.addEventListener('input', autoGrowTextarea);
	setTimeout(autoGrowTextarea, 0);
	// --- End Textarea Auto-Grow & Scroll Logic ---


	// Handle Enter key for sending (Shift+Enter = newline)
	userInput.addEventListener('keydown', function(event) {
	if (event.key === 'Enter' && !event.shiftKey && !submitButton.classList.contains('disabled')) {
	event.preventDefault();
	sendMessage();
	}
	});

	// Handle submit button click
	submitButton.addEventListener('click', function() {
	if (!this.classList.contains('disabled')) {
	sendMessage();
	}
	});

	// Existing “continue as guest” modal
	continueGuest.addEventListener('click', function() {
	loginPrompt.classList.remove('show');
	});

	// --- Handle Add Button Click ---
	addButton.addEventListener('click', function(event) {
	event.stopPropagation();
	attachmentOptionsContainer.classList.toggle('visible');
	});

	// --- Attachment Options ---
	document.getElementById('cameraOption').addEventListener('click', function() {
	cameraInput.click();
	attachmentOptionsContainer.classList.remove('visible');
	});

	document.getElementById('galleryOption').addEventListener('click', function() {
	galleryInput.click();
	attachmentOptionsContainer.classList.remove('visible');
	});

	document.getElementById('filesOption').addEventListener('click', function() {
	filesInput.click();
	attachmentOptionsContainer.classList.remove('visible');
	});

	document.getElementById('driveOption').addEventListener('click', function() {
	alert("Google Drive integration requires backend setup and Google API access.");
	attachmentOptionsContainer.classList.remove('visible');
	});

	// --- File input change (camera/gallery/files) ---
	[cameraInput, galleryInput, filesInput].forEach(input => {
	input.addEventListener('change', function(event) {
	const files = event.target.files;
	if (files.length > 0) {
	for (let i = 0; i < files.length; i++) {
	attachedFiles.push(files[i]);
	addFileChip(files[i]);
	}
	autoGrowTextarea();
	userInput.focus();
	}
	event.target.value = '';
	});
	});

	function addFileChip(file) {
	const chip = document.createElement('div');
	chip.className = 'attached-file-chip';
	chip.setAttribute('data-filename', file.name);

	let previewElement;
	if (file.type.startsWith('image/')) {
	const img = document.createElement('img');
	img.src = URL.createObjectURL(file);
	img.alt = file.name;
	img.onload = () => URL.revokeObjectURL(img.src);
	previewElement = img;
	} else {
	const icon = document.createElement('i');
	icon.className = 'fas fa-paperclip';
	previewElement = icon;
	}

	const fileNameSpan = document.createElement('span');
	fileNameSpan.className = 'file-name';
	fileNameSpan.textContent = file.name;

	const removeButton = document.createElement('span');
	removeButton.className = 'remove-file';
	removeButton.innerHTML = '×';
	removeButton.addEventListener('click', function() {
	removeFileChip(file.name);
	});

	chip.appendChild(previewElement);
	chip.appendChild(fileNameSpan);
	chip.appendChild(removeButton);

	attachedFilePreviewContainer.appendChild(chip);
	autoGrowTextarea();
	}

	function removeFileChip(filename) {
	const chipToRemove = attachedFilePreviewContainer.querySelector(`[data-filename="${filename}"]`);
	if (chipToRemove) {
	attachedFilePreviewContainer.removeChild(chipToRemove);
	attachedFiles = attachedFiles.filter(file => file.name !== filename);
	autoGrowTextarea();
	}
	}

	// Hide attachment options when clicking outside
	document.addEventListener('click', function(event) {
	const isClickInsideAddButton = addButton && addButton.contains(event.target);
	const isClickInsideOptions = attachmentOptionsContainer && attachmentOptionsContainer.contains(event.target);

	if (attachmentOptionsContainer && attachmentOptionsContainer.classList.contains('visible') && !isClickInsideAddButton && !isClickInsideOptions) {
	attachmentOptionsContainer.classList.remove('visible');
	}
	});

	if (attachmentOptionsContainer) {
	attachmentOptionsContainer.addEventListener('click', function(event){
	event.stopPropagation();
	});
	}

	// --- Centered login reminder mini-window ---
	let inlineLoginPromptShown = false;
	function maybeShowInlineLoginPrompt() {
	if (isLoggedIn) return;
	if (inlineLoginPromptShown) return;
	if (messageCount % 5 !== 0) return;

	inlineLoginPromptShown = true;

	const overlay = document.createElement('div');
	overlay.style.position = 'fixed';
	overlay.style.inset = '0';
	overlay.style.backgroundColor = 'rgba(0,0,0,0.35)';
	overlay.style.display = 'flex';
	overlay.style.alignItems = 'center';
	overlay.style.justifyContent = 'center';
	overlay.style.zIndex = '9999';

	const card = document.createElement('div');
	card.style.width = '100%';
	card.style.maxWidth = '420px';
	card.style.borderRadius = '16px';
	card.style.backgroundColor = 'var(--bs-body-bg)';
	card.style.border = '1px solid var(--bs-border-color)';
	card.style.boxShadow = '0 16px 40px rgba(0,0,0,0.25)';
	card.style.padding = '1.25rem 1.5rem';
	card.style.display = 'flex';
	card.style.flexDirection = 'column';
	card.style.gap = '0.75rem';

	const title = document.createElement('div');
	title.textContent = "Save your conversations";
	title.style.fontWeight = '600';
	title.style.fontSize = '1rem';

	const text = document.createElement('div');
	text.textContent = "Log in to keep your chat history across devices. If you continue as a guest, your conversations may be lost later.";
	text.style.fontSize = '0.9rem';
	text.style.opacity = '0.9';

	const buttonRow = document.createElement('div');
	buttonRow.style.display = 'flex';
	buttonRow.style.gap = '0.75rem';
	buttonRow.style.marginTop = '0.5rem';

	const skipBtn = document.createElement('button');
	skipBtn.textContent = "Continue without login";
	skipBtn.style.flex = '1';
	skipBtn.style.borderRadius = '999px';
	skipBtn.style.border = '1px solid var(--bs-border-color)';
	skipBtn.style.backgroundColor = 'transparent';
	skipBtn.style.color = 'var(--bs-body-color)';
	skipBtn.style.padding = '0.5rem 0.75rem';
	skipBtn.style.fontSize = '0.85rem';
	skipBtn.style.cursor = 'pointer';

	const loginBtn = document.createElement('button');
	loginBtn.textContent = "Log in to save chats";
	loginBtn.style.flex = '1';
	loginBtn.style.borderRadius = '999px';
	loginBtn.style.border = 'none';
	loginBtn.style.backgroundColor = 'var(--gakr-blue)';
	loginBtn.style.color = '#fff';
	loginBtn.style.padding = '0.5rem 0.75rem';
	loginBtn.style.fontSize = '0.85rem';
	loginBtn.style.cursor = 'pointer';

	skipBtn.addEventListener('click', function () {
	overlay.remove();
	});

	loginBtn.addEventListener('click', function () {
	window.location.href = 'auth.html';
	});

	buttonRow.appendChild(skipBtn);
	buttonRow.appendChild(loginBtn);
	card.appendChild(title);
	card.appendChild(text);
	card.appendChild(buttonRow);
	overlay.appendChild(card);
	document.body.appendChild(overlay);
	}

	// --- sendMessage: prompt required, files optional, generic error ---
	async function sendMessage() {
	const text = userInput.value.trim();

	// Prompt is required; files alone cannot be sent
	if (!text) {
	return;
	}

	if (!welcomeMessage.classList.contains('d-none')) {
	welcomeMessage.classList.add('d-none');
	}

	if (initialMessage.classList.contains('d-none')) {
	initialMessage.classList.remove('d-none');
	}

	const filesSnapshot = [...attachedFiles];

	let userMessageContent = text;
	if (filesSnapshot.length > 0) {
	const fileNames = filesSnapshot.map(f => f.name).join(', ');
	userMessageContent += ` (Attached: ${fileNames})`;
	}
	addMessage(userMessageContent, 'user');
	messageCount++;

	userInput.value = '';
	attachedFiles = [];
	attachedFilePreviewContainer.innerHTML = '';
	autoGrowTextarea();
	userInput.dispatchEvent(new Event('input', { bubbles: true }));

	typingIndicator.classList.remove('d-none');
	scrollToBottom();

	const formData = new FormData();
	formData.append('api_key', 'gakr-ai-2025-secret');
	formData.append('prompt', text);

	if (filesSnapshot.length > 0) {
	filesSnapshot.forEach((file) => {
	formData.append('files', file);
	});
	}

	try {
	const response = await fetch('/api/analyze', {
	method: 'POST',
	body: formData
	});

	if (!response.ok) {
	typingIndicator.classList.add('d-none');
	addMessage('There was a server issue. Please try again later.', 'ai');
	return;
	}

	// Create AI message div first
	const aiMessageDiv = addMessage('', 'ai', true); // true for streaming
	let accumulatedText = '';

	const reader = response.body.getReader();
	const decoder = new TextDecoder();

	while (true) {
	const { done, value } = await reader.read();
	if (done) break;
	const chunk = decoder.decode(value, { stream: true });
	accumulatedText += chunk;
	updateAIMessage(aiMessageDiv, accumulatedText);
	}

	if (messageCount > 0 && messageCount % 5 === 0) {
	maybeShowInlineLoginPrompt();
	}
	} catch (error) {
	console.error('Fetch Error:', error);
	typingIndicator.classList.add('d-none');
	addMessage('There was a server issue. Please try again later.', 'ai');
	} finally {
	if (typingIndicator) {
	typingIndicator.classList.add('d-none');
	}
	scrollToBottom();
	}
	}

	function addMessage(text, type, streaming = false) {
	const messageDiv = document.createElement('div');
	messageDiv.className = `gemini-message gemini-message-${type}`;

	const headerDiv = document.createElement('div');
	headerDiv.className = 'gemini-message-header';

	const avatarDiv = document.createElement('div');
	avatarDiv.className = 'gemini-message-avatar';

	const avatarIcon = document.createElement('i');
	avatarIcon.className = type === 'user' ? 'fas fa-user' : 'fas fa-robot';

	const nameSpan = document.createElement('span');
	nameSpan.textContent = type === 'user' ? 'You' : 'GAKR AI';

	const contentDiv = document.createElement('div');
	contentDiv.className = 'gemini-message-content';
	if (!streaming) {
	if (type === 'ai') {
	updateAIMessage(contentDiv, text);
	} else {
	contentDiv.textContent = text;
	}
	}

	avatarDiv.appendChild(avatarIcon);
	headerDiv.appendChild(avatarDiv);
	headerDiv.appendChild(nameSpan);

	messageDiv.appendChild(headerDiv);
	messageDiv.appendChild(contentDiv);

	chatContainer.appendChild(messageDiv);

	if (!streaming) {
	scrollToBottom();
	}

	return streaming ? contentDiv : null;
	}

	function updateAIMessage(contentDiv, text) {
	// Clear previous content
	contentDiv.innerHTML = '';

	const thinkStart = text.indexOf('<think>');
	const thinkEnd = text.indexOf('</think>');
	if (thinkStart !== -1 && thinkEnd !== -1 && thinkEnd > thinkStart) {
	const thinking = text.substring(thinkStart + 7, thinkEnd).trim();
	const solution = text.substring(thinkEnd + 8).trim();

	// Create toggle button
	const toggleButton = document.createElement('button');
	toggleButton.className = 'gemini-thinking-toggle';
	toggleButton.textContent = 'hide thinking';
	toggleButton.onclick = function() {
	const thinkingDiv = this.nextElementSibling;
	if (thinkingDiv.style.display === 'none') {
	thinkingDiv.style.display = 'block';
	this.textContent = 'hide thinking';
	} else {
	thinkingDiv.style.display = 'none';
	this.textContent = 'show thinking';
	}
	};

	// Create thinking content div
	const thinkingDiv = document.createElement('div');
	thinkingDiv.className = 'gemini-thinking-content';
	thinkingDiv.textContent = thinking;

	contentDiv.appendChild(toggleButton);
	contentDiv.appendChild(thinkingDiv);
	contentDiv.appendChild(document.createTextNode(solution));
	} else {
	contentDiv.textContent = text;
	}
	}

	function scrollToBottom() {
	setTimeout(() => {
	if (chatContainer) {
	chatContainer.scrollTop = chatContainer.scrollHeight;
	}
	}, 0);
	}

	// Initialize from URL ?q=...
	const urlParams = new URLSearchParams(window.location.search);
	const initialQuery = urlParams.get('q');

	if (initialQuery) {
	userInput.value = initialQuery;
	userInput.dispatchEvent(new Event('input', { bubbles: true }));

	setTimeout(function() {
	if (submitButton && !submitButton.classList.contains('disabled')) {
	submitButton.click();
	}
	}, 100);
	} else {
	if (userInput) {
	if (userInput.value.trim().length === 0 && attachedFiles.length === 0) {
	if (submitButton) submitButton.classList.add('disabled');
	} else {
	if (submitButton) submitButton.classList.remove('disabled');
	}
	autoGrowTextarea();
	}
	}
	});
	</script>



	</body>
	</html>