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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>Simple Ebook Reader</title>
<!-- Include the Supabase JS library -->
<script src="https://cdn.jsdelivr.net/npm/@supabase/supabase-js@2/dist/umd/supabase.min.js"></script>
<style>
/* Reset and base styles */
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
line-height: 1.6;
/* Set dark theme as default base style */
color: #e0e0e0;
background-color: #222;
height: 100vh;
overflow: hidden;
touch-action: manipulation;
}
/* Theme styles */
body.light-theme {
background-color: #f8f8f8;
color: #333;
}
body.sepia-theme {
background-color: #f8f1e3;
color: #5f4b32;
}
body.dark-theme {
background-color: #222;
color: #e0e0e0;
}
/* Dark theme additional elements */
body.dark-theme #navbar {
background-color: #333;
box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}
body.dark-theme #settings-panel,
body.dark-theme #toc-panel {
background-color: #333;
color: #e0e0e0;
border-color: #444;
}
body.dark-theme #toc-header {
border-bottom-color: #444;
}
body.dark-theme .toc-item {
border-bottom-color: #444;
}
body.dark-theme .settings-section {
border-color: #444;
}
body.dark-theme .font-btn {
background-color: #444;
border-color: #555;
color: #e0e0e0;
}
body.dark-theme #welcome-screen {
background-color: #222;
color: #e0e0e0;
}
body.dark-theme #library-section {
background-color: #333;
}
body.dark-theme .library-item {
background-color: #444;
color: #e0e0e0;
}
body.dark-theme .library-item:hover {
background-color: #555;
}
body.dark-theme .library-item-meta {
color: #aaa;
}
body.dark-theme #ai-settings-content,
body.dark-theme #ai-response-area {
background-color: #444;
color: #e0e0e0;
}
body.dark-theme #loading {
background-color: rgba(0,0,0,0.8);
}
/* Main container */
#app {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
flex-direction: column;
}
/* Welcome screen */
#welcome-screen {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
background-color: #fff;
z-index: 100;
}
#welcome-screen h1 {
margin-bottom: 20px;
text-align: center;
}
.welcome-content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
width: 100%;
max-width: 600px;
padding: 0 20px;
}
.welcome-buttons {
display: flex;
gap: 16px;
margin-top: 20px;
}
#library-section {
width: 100%;
max-width: 600px;
margin-top: 40px;
padding: 20px;
background-color: #f5f5f5;
border-radius: 8px;
max-height: 300px;
overflow-y: auto;
}
.library-item {
display: flex;
justify-content: space-between;
align-items: center;
padding: 12px 16px;
margin-bottom: 8px;
background-color: white;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.2s;
}
.library-item:hover {
background-color: #eaeaea;
}
.library-item-details {
flex: 1;
}
.library-item-title {
font-weight: 500;
margin-bottom: 4px;
}
.library-item-meta {
font-size: 12px;
color: #666;
}
.library-item-actions {
display: flex;
gap: 8px;
}
.library-item-delete {
color: #d93025;
background: none;
border: none;
cursor: pointer;
font-size: 18px;
}
.auth-section {
margin-top: 30px;
text-align: center;
}
#open-file-btn, #login-btn {
background-color: #4285f4;
color: white;
border: none;
border-radius: 4px;
padding: 12px 24px;
font-size: 16px;
cursor: pointer;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
/* Top navbar */
#navbar {
position: absolute;
top: 0;
left: 0;
right: 0;
height: 56px;
background-color: white;
display: flex;
justify-content: space-between;
align-items: center;
padding: 0 16px;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
transform: translateY(-100%);
transition: transform 0.3s ease;
z-index: 20;
}
#navbar.visible {
transform: translateY(0);
}
#book-title {
font-size: 18px;
font-weight: 500;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
max-width: 40%;
}
#navbar-buttons {
display: flex;
gap: 16px;
}
.navbar-btn {
background-color: transparent;
border: none;
width: 40px;
height: 40px;
border-radius: 50%;
display: flex;
justify-content: center;
align-items: center;
cursor: pointer;
color: #555;
font-size: 20px;
}
/* Reader content */
#reader-container {
flex: 1;
overflow: hidden;
position: relative;
}
#content-area {
height: 100%;
overflow-y: auto;
padding: 16px;
-webkit-overflow-scrolling: touch;
user-select: text;
-webkit-user-select: text;
transition: background-color 0.3s ease, color 0.3s ease;
}
body.light-theme #content-area {
background-color: #fff;
color: #333;
}
body.sepia-theme #content-area {
background-color: #f8f1e3;
color: #5f4b32;
}
body.dark-theme #content-area {
background-color: #222;
color: #e0e0e0;
}
/* Settings panel */
#settings-panel {
position: fixed;
bottom: 0;
left: 0;
right: 0;
background-color: white;
padding: 20px;
border-top-left-radius: 12px;
border-top-right-radius: 12px;
box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
transform: translateY(100%);
transition: transform 0.3s ease;
z-index: 30;
}
#settings-panel.visible {
transform: translateY(0);
}
.settings-section {
margin-bottom: 20px;
}
.settings-title {
font-weight: 600;
margin-bottom: 12px;
}
#ai-settings-content {
margin-bottom: 16px;
}
#summarize-chapter-btn {
background-color: #4285f4;
color: white;
border: none;
border-radius: 4px;
padding: 8px 16px;
font-size: 14px;
cursor: pointer;
margin-top: 8px;
}
#ai-response-area {
background-color: #f5f5f5;
border-radius: 4px;
padding: 12px;
margin-top: 12px;
font-size: 14px;
max-height: 200px;
overflow-y: auto;
}
body.dark-theme #ai-response-area {
background-color: #333;
}
.settings-row {
display: flex;
align-items: center;
justify-content: space-between;
margin-bottom: 8px;
}
.font-size-controls {
display: flex;
align-items: center;
gap: 16px;
}
.font-btn {
width: 40px;
height: 40px;
border-radius: 50%;
border: 1px solid #ddd;
background-color: white;
display: flex;
justify-content: center;
align-items: center;
cursor: pointer;
}
.theme-options {
display: flex;
gap: 16px;
}
.theme-option {
width: 40px;
height: 40px;
border-radius: 50%;
cursor: pointer;
border: 2px solid transparent;
}
.theme-option.active {
border-color: #4285f4;
}
.light-option {
background-color: #fff;
border: 1px solid #ddd;
}
.sepia-option {
background-color: #f8f1e3;
}
.dark-option {
background-color: #222;
}
/* Navigation controls */
#nav-controls {
position: fixed;
bottom: 20px;
left: 0;
right: 0;
display: flex;
justify-content: space-between;
padding: 0 20px;
pointer-events: none;
z-index: 15;
}
.nav-btn {
width: 40px;
height: 40px;
border-radius: 50%;
background-color: rgba(0,0,0,0.5);
color: white;
display: flex;
justify-content: center;
align-items: center;
cursor: pointer;
pointer-events: auto;
box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}
/* Table of contents panel */
#toc-panel {
position: fixed;
top: 0;
left: 0;
bottom: 0;
width: 80%;
max-width: 320px;
background-color: white;
z-index: 30;
transform: translateX(-100%);
transition: transform 0.3s ease;
display: flex;
flex-direction: column;
box-shadow: 2px 0 10px rgba(0,0,0,0.2);
}
#toc-panel.visible {
transform: translateX(0);
}
#toc-header {
padding: 16px;
border-bottom: 1px solid #eee;
display: flex;
justify-content: space-between;
align-items: center;
}
#toc-content {
flex: 1;
overflow-y: auto;
padding: 16px;
}
.toc-item {
padding: 8px 0;
border-bottom: 1px solid #eee;
cursor: pointer;
}
/* Overlay for panels */
#overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0,0,0,0.4);
z-index: 25;
display: none;
}
#overlay.visible {
display: block;
}
/* Progress indicator */
#progress-bar {
position: absolute;
bottom: 0;
left: 0;
height: 3px;
background-color: #4285f4;
transition: width 0.2s ease;
z-index: 10;
}
/* Loading indicator */
#loading {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(255,255,255,0.8);
display: flex;
justify-content: center;
align-items: center;
z-index: 50;
display: none;
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(0,0,0,0.1);
border-left-color: #4285f4;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
/* Custom selection style */
::selection {
background-color: rgba(66, 133, 244, 0.3);
}
/* Translation popup */
#translation-popup {
position: fixed;
background-color: white;
border-radius: 12px;
box-shadow: 0 6px 16px rgba(0,0,0,0.15);
padding: 16px;
min-width: 220px;
max-width: 320px;
z-index: 100;
display: none;
border: 1px solid rgba(0,0,0,0.08);
transform: translateY(10px);
opacity: 0;
transition: transform 0.2s ease, opacity 0.2s ease;
font-style: italic;
color: #4285f4;
}
#translation-popup.visible {
transform: translateY(0);
opacity: 1;
}
body.light-theme #translation-popup {
background-color: #ffffff;
color: #4285f4;
}
body.sepia-theme #translation-popup {
background-color: #f7f0e0;
color: #4285f4;
border-color: rgba(95, 75, 50, 0.15);
}
body.dark-theme #translation-popup {
background-color: #2d2d2d;
color: #4285f4;
border-color: rgba(255,255,255,0.1);
}
#translation-popup:before {
content: '';
position: absolute;
top: -8px;
left: 20px;
width: 14px;
height: 14px;
background-color: inherit;
border-top: 1px solid rgba(0,0,0,0.08);
border-left: 1px solid rgba(0,0,0,0.08);
transform: rotate(45deg);
}
body.dark-theme #translation-popup:before {
border-color: rgba(255,255,255,0.1);
}
body.sepia-theme #translation-popup:before {
border-color: rgba(95, 75, 50, 0.15);
}
#translation-content {
margin-bottom: 10px;
font-size: 15px;
line-height: 1.5;
}
#translation-loading {
display: none;
align-items: center;
justify-content: center;
height: 30px;
}
#translation-loading .spinner {
width: 18px;
height: 18px;
border: 2px solid rgba(0,0,0,0.1);
border-left-color: #4285f4;
border-radius: 50%;
animation: spin 1s linear infinite;
}
body.dark-theme #translation-loading .spinner {
border-color: rgba(255,255,255,0.1);
border-left-color: #4285f4;
}
/* Flashcard toast styles */
.flashcard-toast {
position: fixed;
bottom: 20px;
right: 20px;
background-color: white;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0,0,0,0.2);
padding: 8px 12px;
width: 240px;
z-index: 1000;
font-size: 14px;
opacity: 1;
transition: opacity 0.5s ease, transform 0.5s ease;
}
body.dark-theme .flashcard-toast {
background-color: #333;
color: #e0e0e0;
}
.flashcard-toast.visible {
display: block;
}
.flashcard-toast.fade-out {
opacity: 0;
transform: translateY(10px);
}
.flashcard-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 6px;
}
.flashcard-close-btn {
background: none;
border: none;
font-size: 18px;
cursor: pointer;
color: #888;
padding: 0;
margin: 0;
}
.flashcard-word {
font-weight: bold;
font-size: 16px;
}
.flashcard-translation {
margin-bottom: 8px;
line-height: 1.3;
font-size: 13px;
}
.flashcard-actions {
display: flex;
gap: 8px;
margin-top: 8px;
}
.flashcard-speak-btn {
background-color: #34a853;
color: white;
border: none;
border-radius: 4px;
padding: 6px 10px;
font-size: 12px;
cursor: pointer;
flex: 0 0 auto;
}
.flashcard-save-btn {
background-color: #4285f4;
color: white;
border: none;
border-radius: 4px;
padding: 6px 10px;
font-size: 12px;
cursor: pointer;
flex: 1;
}
.flashcard-save-btn:disabled {
background-color: #a4c2f4;
}
/* Example book section */
.example-book-section {
margin-top: 30px;
text-align: center;
padding: 20px;
background-color: rgba(66, 133, 244, 0.1);
border-radius: 8px;
margin-bottom: 20px;
}
#example-book-btn {
background-color: #34a853;
color: white;
border: none;
border-radius: 4px;
padding: 10px 20px;
font-size: 15px;
cursor: pointer;
margin-top: 10px;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
transition: background-color 0.2s;
text-decoration: none;
display: inline-block;
}
#example-book-btn:hover {
background-color: #2e9549;
}
body.dark-theme .example-book-section {
background-color: rgba(66, 133, 244, 0.15);
}
</style>
</head>
<body class="dark-theme">
<div id="app">
<!-- Welcome screen -->
<div id="welcome-screen">
<div class="welcome-content">
<h1>Simple Ebook Reader</h1>
<p>Open a text, EPUB, or PDF file to start reading</p>
<div class="welcome-buttons">
<button id="open-file-btn">Open File</button>
<button id="login-btn" style="display: none;">Sign In</button>
</div>
<!-- Example Ebook Section -->
<div class="example-book-section">
<p>Don't have an ebook? Download our example:</p>
<a id="example-book-btn" href="https://raw.githubusercontent.com/dat-lequoc/apps/refs/heads/main/ebooks/Kundera%2C%20Milan%20-%20The%20Unbearable%20Lightness%20of%20Being%20(2017%2C%20Faber%20and%20Faber)%20-%20libgen.li.epub" target="_blank" rel="noopener">Download "The Unbearable Lightness of Being"</a>
</div>
<div class="auth-section" id="auth-section">
<p>Sign in to save books to your library</p>
</div>
<!-- Library Section -->
<div id="library-section" style="display: none;">
<h2>Your Library</h2>
<div id="library-list">
<!-- Library items will be populated here -->
</div>
</div>
</div>
</div>
<!-- Top navbar -->
<div id="navbar">
<div id="book-title">Ebook Title</div>
<div id="navbar-buttons">
<button class="navbar-btn" id="toc-btn">☰</button>
<button class="navbar-btn" id="settings-btn">⚙️</button>
<button class="navbar-btn" id="home-btn">⌂</button>
</div>
</div>
<!-- Main reader area -->
<div id="reader-container">
<div id="content-area"></div>
<div id="progress-bar"></div>
</div>
<!-- Navigation buttons -->
<div id="nav-controls">
<div class="nav-btn" id="prev-btn">←</div>
<div class="nav-btn" id="next-btn">→</div>
</div>
<!-- Table of contents panel -->
<div id="toc-panel">
<div id="toc-header">
<h3>Table of Contents</h3>
<button class="navbar-btn" id="close-toc-btn">✕</button>
</div>
<div id="toc-content"></div>
</div>
<!-- Settings panel -->
<div id="settings-panel">
<div class="settings-section">
<div class="settings-title">Font Size</div>
<div class="font-size-controls">
<button class="font-btn" id="font-decrease-btn">A-</button>
<span id="font-size-value">100%</span>
<button class="font-btn" id="font-increase-btn">A+</button>
</div>
</div>
<div class="settings-section">
<div class="settings-title">Theme</div>
<div class="theme-options">
<div class="theme-option light-option active" data-theme="light"></div>
<div class="theme-option sepia-option" data-theme="sepia"></div>
<div class="theme-option dark-option" data-theme="dark"></div>
</div>
</div>
<!-- AI Features Section -->
<div class="settings-section" id="ai-features-section">
<div class="settings-title">AI Features</div>
<div id="ai-settings-content">
<!-- This will be populated dynamically -->
<p>Loading AI settings...</p>
</div>
<div class="settings-row" style="margin-top: 12px;">
<label for="translation-toggle">Text Selection Translation</label>
<input type="checkbox" id="translation-toggle" checked>
</div>
<div class="settings-row">
<label for="auto-speak-toggle">Auto Speak Flashcard Words</label>
<input type="checkbox" id="auto-speak-toggle" checked>
</div>
<button id="summarize-chapter-btn" style="display: none;">Summarize Chapter</button>
<div id="ai-response-area" style="margin-top: 16px; display: none;"></div>
</div>
</div>
<!-- Overlay for panels -->
<div id="overlay"></div>
<!-- Loading indicator -->
<div id="loading">
<div class="spinner"></div>
</div>
<!-- Translation popup -->
<div id="translation-popup">
<div id="translation-content"></div>
<div id="translation-loading">
<div class="spinner"></div>
</div>
</div>
<!-- File input (hidden) -->
<input type="file" id="file-input" accept=".txt,.epub,.pdf" style="display: none;">
</div>
<script>
// Initialize the Supabase client
const supabaseUrl = 'https://iioxqphxakvhhtyvdhrh.supabase.co';
const supabaseAnonKey = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Imlpb3hxcGh4YWt2aGh0eXZkaHJoIiwicm9sZSI6ImFub24iLCJpYXQiOjE3Mzg4MzQ5MjAsImV4cCI6MjA1NDQxMDkyMH0.7I2CaBH1DyiRYEtzunIM5-l3GaWYT15Mly39jW-ga5Q';
const supabase = window.supabase.createClient(supabaseUrl, supabaseAnonKey);
// Gemini API helper functions
const getApiUrl = (model) => `https://generativelanguage.googleapis.com/v1beta/models/${model}:generateContent?key=`;
const geminiRequest = async (apiKey, message, model) => {
try {
const res = await fetch(`${getApiUrl(model)}${apiKey}`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
contents: [{
parts: [{ text: message }]
}]
})
});
return res.json();
} catch (error) {
console.error('Error calling Gemini API:', error);
return { error: { message: 'Failed to connect to Gemini API' } };
}
};
// Get the user's Gemini API settings from Supabase
async function getUserApiSettings() {
const { data: { session } } = await supabase.auth.getSession();
if (!session) return null;
const { data, error } = await supabase
.from('user_settings')
.select('*')
.eq('user_id', session.user.id)
.maybeSingle();
if (error) {
console.error('Error fetching API settings:', error);
return null;
}
return data;
}
document.addEventListener('DOMContentLoaded', function() {
// DOM elements
const app = document.getElementById('app');
const welcomeScreen = document.getElementById('welcome-screen');
const readerContainer = document.getElementById('reader-container');
const contentArea = document.getElementById('content-area');
const navbar = document.getElementById('navbar');
const bookTitle = document.getElementById('book-title');
const tocBtn = document.getElementById('toc-btn');
const settingsBtn = document.getElementById('settings-btn');
const homeBtn = document.getElementById('home-btn');
const tocPanel = document.getElementById('toc-panel');
const closeTocBtn = document.getElementById('close-toc-btn');
const tocContent = document.getElementById('toc-content');
const settingsPanel = document.getElementById('settings-panel');
const overlay = document.getElementById('overlay');
const fileInput = document.getElementById('file-input');
const openFileBtn = document.getElementById('open-file-btn');
const exampleBookBtn = document.getElementById('example-book-btn');
const fontDecreaseBtn = document.getElementById('font-decrease-btn');
const fontIncreaseBtn = document.getElementById('font-increase-btn');
const fontSizeValue = document.getElementById('font-size-value');
const themeOptions = document.querySelectorAll('.theme-option');
const progressBar = document.getElementById('progress-bar');
const prevBtn = document.getElementById('prev-btn');
const nextBtn = document.getElementById('next-btn');
const loading = document.getElementById('loading');
// Book data
let bookData = {
title: '',
content: '',
chapters: [],
currentPosition: 0
};
// Settings
let settings = {
fontSize: 100,
theme: 'dark',
lineHeight: 1.6
};
// Initial setup
initialize();
// AI Features
let userApiSettings = null;
// Core functions
async function initialize() {
// Set up event listeners
openFileBtn.addEventListener('click', () => fileInput.click());
fileInput.addEventListener('change', handleFileSelected);
tocBtn.addEventListener('click', toggleTocPanel);
closeTocBtn.addEventListener('click', closeTocPanel);
settingsBtn.addEventListener('click', toggleSettingsPanel);
homeBtn.addEventListener('click', goToHome);
overlay.addEventListener('click', closeAllPanels);
// Navigation
prevBtn.addEventListener('click', goToPrevious);
nextBtn.addEventListener('click', goToNext);
// Settings
fontDecreaseBtn.addEventListener('click', () => {
decreaseFontSize();
saveUserPreferences();
});
fontIncreaseBtn.addEventListener('click', () => {
increaseFontSize();
saveUserPreferences();