andrew
aef9b816db
Introduces a full browser customization system with support for theme presets, live editing, import/export, and non-destructive design. Adds new documentation for customization, updates the features list, and implements a ThemeManager for loading and managing themes at the application level. Updates home and settings pages to support live theming and preview, and adds four built-in themes (default, forest, ocean, sunset).
456 lines
14 KiB
JavaScript
456 lines
14 KiB
JavaScript
/**
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* Browser Customization System
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* Allows users to customize themes, colors, and layouts non-destructively
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*/
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class BrowserCustomizer {
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constructor() {
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this.defaultTheme = {
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name: 'Default',
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colors: {
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bg: '#121418',
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darkBlue: '#0B1C2B',
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darkPurple: '#1B1035',
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primary: '#7B2EFF',
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accent: '#00C6FF',
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text: '#E0E0E0'
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},
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layout: 'centered',
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showLogo: true,
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customTitle: 'Nebula Browser',
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gradient: 'linear-gradient(145deg, #121418 0%, #1B1035 100%)'
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};
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this.predefinedThemes = {
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default: this.defaultTheme,
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ocean: {
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name: 'Ocean',
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colors: {
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bg: '#1a365d',
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darkBlue: '#2a4365',
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darkPurple: '#2c5282',
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primary: '#3182ce',
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accent: '#00d9ff',
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text: '#e2e8f0'
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},
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layout: 'centered',
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showLogo: true,
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customTitle: 'Nebula Browser',
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gradient: 'linear-gradient(145deg, #1a365d 0%, #2c5282 100%)'
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},
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forest: {
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name: 'Forest',
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colors: {
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bg: '#1a202c',
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darkBlue: '#2d3748',
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darkPurple: '#4a5568',
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primary: '#68d391',
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accent: '#9ae6b4',
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text: '#f7fafc'
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},
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layout: 'centered',
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showLogo: true,
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customTitle: 'Nebula Browser',
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gradient: 'linear-gradient(145deg, #1a202c 0%, #2d3748 100%)'
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},
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sunset: {
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name: 'Sunset',
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colors: {
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bg: '#744210',
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darkBlue: '#975a16',
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darkPurple: '#c05621',
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primary: '#ed8936',
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accent: '#fbb040',
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text: '#fffaf0'
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},
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layout: 'centered',
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showLogo: true,
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customTitle: 'Nebula Browser',
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gradient: 'linear-gradient(145deg, #744210 0%, #c05621 100%)'
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}
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};
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this.currentTheme = this.loadTheme();
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this.init();
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}
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init() {
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this.setupEventListeners();
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this.loadCurrentTheme();
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this.updatePreview();
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}
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setupEventListeners() {
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// Theme preset buttons
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document.querySelectorAll('.theme-btn').forEach(btn => {
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btn.addEventListener('click', (e) => {
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const themeName = e.currentTarget.dataset.theme;
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this.applyPredefinedTheme(themeName);
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});
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});
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// Color inputs
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const colorInputs = ['bg-color', 'gradient-color', 'accent-color', 'secondary-color', 'text-color'];
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colorInputs.forEach(inputId => {
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const input = document.getElementById(inputId);
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if (input) {
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input.addEventListener('input', (e) => {
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this.updateColorFromInput(inputId, e.target.value);
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});
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}
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});
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// Layout options
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document.querySelectorAll('input[name="layout"]').forEach(input => {
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input.addEventListener('change', (e) => {
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this.currentTheme.layout = e.target.value;
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this.saveTheme();
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this.updatePreview();
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this.applyThemeToPages();
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});
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});
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// Logo options
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const showLogoInput = document.getElementById('show-logo');
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if (showLogoInput) {
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showLogoInput.addEventListener('change', (e) => {
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this.currentTheme.showLogo = e.target.checked;
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this.saveTheme();
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this.updatePreview();
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this.applyThemeToPages();
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});
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}
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const customTitleInput = document.getElementById('custom-title');
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if (customTitleInput) {
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customTitleInput.addEventListener('input', (e) => {
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this.currentTheme.customTitle = e.target.value || 'Nebula Browser';
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this.saveTheme();
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this.updatePreview();
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this.applyThemeToPages();
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});
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}
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// Theme management buttons
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this.setupThemeManagementButtons();
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}
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setupThemeManagementButtons() {
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const saveBtn = document.getElementById('save-custom-theme');
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const exportBtn = document.getElementById('export-theme');
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const importBtn = document.getElementById('import-theme');
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const resetBtn = document.getElementById('reset-to-default');
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const fileInput = document.getElementById('theme-file-input');
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if (saveBtn) {
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saveBtn.addEventListener('click', () => this.saveCustomTheme());
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}
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if (exportBtn) {
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exportBtn.addEventListener('click', () => this.exportTheme());
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}
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if (importBtn) {
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importBtn.addEventListener('click', () => fileInput.click());
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}
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if (fileInput) {
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fileInput.addEventListener('change', (e) => this.importTheme(e));
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}
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if (resetBtn) {
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resetBtn.addEventListener('click', () => this.resetToDefault());
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}
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}
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updateColorFromInput(inputId, color) {
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const colorMap = {
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'bg-color': 'bg',
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'gradient-color': 'darkPurple',
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'accent-color': 'primary',
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'secondary-color': 'accent',
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'text-color': 'text'
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};
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const colorKey = colorMap[inputId];
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if (colorKey) {
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this.currentTheme.colors[colorKey] = color;
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// Update gradient for background or gradient changes
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if (colorKey === 'bg' || colorKey === 'darkPurple') {
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this.currentTheme.gradient = `linear-gradient(145deg, ${this.currentTheme.colors.bg} 0%, ${this.currentTheme.colors.darkPurple} 100%)`;
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}
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this.saveTheme();
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this.updatePreview();
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this.applyThemeToPages();
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}
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}
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applyPredefinedTheme(themeName) {
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if (this.predefinedThemes[themeName]) {
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this.currentTheme = { ...this.predefinedThemes[themeName] };
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this.saveTheme();
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this.loadCurrentTheme();
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this.updatePreview();
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this.applyThemeToCurrentPage();
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this.applyThemeToPages();
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this.updateThemeButtons(themeName);
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}
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}
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updateThemeButtons(activeTheme) {
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document.querySelectorAll('.theme-btn').forEach(btn => {
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btn.classList.remove('active');
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if (btn.dataset.theme === activeTheme) {
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btn.classList.add('active');
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}
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});
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}
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loadCurrentTheme() {
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// Update color inputs
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document.getElementById('bg-color').value = this.currentTheme.colors.bg;
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document.getElementById('gradient-color').value = this.currentTheme.colors.darkPurple;
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document.getElementById('accent-color').value = this.currentTheme.colors.primary;
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document.getElementById('secondary-color').value = this.currentTheme.colors.accent;
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document.getElementById('text-color').value = this.currentTheme.colors.text;
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// Update layout radio
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const layoutInput = document.querySelector(`input[name="layout"][value="${this.currentTheme.layout}"]`);
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if (layoutInput) layoutInput.checked = true;
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// Update logo options
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document.getElementById('show-logo').checked = this.currentTheme.showLogo;
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document.getElementById('custom-title').value = this.currentTheme.customTitle;
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}
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updatePreview() {
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const preview = document.getElementById('preview-container');
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const previewHome = preview.querySelector('.preview-home');
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const previewLogo = preview.querySelector('.preview-logo');
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// Apply colors to preview
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previewHome.style.background = this.currentTheme.gradient;
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previewLogo.style.color = this.currentTheme.colors.primary;
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previewLogo.textContent = this.currentTheme.showLogo ?
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`🌌 ${this.currentTheme.customTitle}` : this.currentTheme.customTitle;
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// Update CSS custom properties for live preview
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this.applyThemeToCurrentPage();
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}
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applyThemeToCurrentPage() {
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const root = document.documentElement;
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root.style.setProperty('--bg', this.currentTheme.colors.bg);
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root.style.setProperty('--dark-blue', this.currentTheme.colors.darkBlue);
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root.style.setProperty('--dark-purple', this.currentTheme.colors.darkPurple);
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root.style.setProperty('--primary', this.currentTheme.colors.primary);
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root.style.setProperty('--accent', this.currentTheme.colors.accent);
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root.style.setProperty('--text', this.currentTheme.colors.text);
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// Apply gradient to body if it exists
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const body = document.body;
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if (body && this.currentTheme.gradient) {
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body.style.background = this.currentTheme.gradient;
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console.log('[THEME] Applied gradient:', this.currentTheme.gradient);
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}
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}
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applyThemeToPages() {
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// This will be called to apply theme to home.html and other pages
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// We'll store the theme and let other pages load it
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this.saveTheme();
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// If we have access to other windows/frames, apply there too
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try {
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if (window.parent && window.parent !== window) {
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window.parent.postMessage({
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type: 'theme-update',
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theme: this.currentTheme
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}, '*');
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}
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} catch (e) {
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console.log('Could not send theme update to parent window');
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}
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}
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saveCustomTheme() {
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const themeName = prompt('Enter a name for your custom theme:', 'My Custom Theme');
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if (themeName) {
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const customThemes = this.getCustomThemes();
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customThemes[themeName.toLowerCase().replace(/\s+/g, '-')] = {
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...this.currentTheme,
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name: themeName
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};
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localStorage.setItem('customThemes', JSON.stringify(customThemes));
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// Show success message
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this.showMessage('Custom theme saved successfully!', 'success');
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}
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}
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exportTheme() {
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const themeData = {
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...this.currentTheme,
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exportedAt: new Date().toISOString(),
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version: '1.0'
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};
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const blob = new Blob([JSON.stringify(themeData, null, 2)], {
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type: 'application/json'
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});
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = `nebula-theme-${themeData.name.toLowerCase().replace(/\s+/g, '-')}.json`;
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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this.showMessage('Theme exported successfully!', 'success');
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}
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importTheme(event) {
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const file = event.target.files[0];
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if (!file) return;
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const reader = new FileReader();
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reader.onload = (e) => {
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try {
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const themeData = JSON.parse(e.target.result);
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// Validate theme structure
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if (this.validateTheme(themeData)) {
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this.currentTheme = themeData;
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this.saveTheme();
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this.loadCurrentTheme();
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this.updatePreview();
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this.applyThemeToCurrentPage();
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this.applyThemeToPages();
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this.showMessage('Theme imported successfully!', 'success');
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} else {
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this.showMessage('Invalid theme file format.', 'error');
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}
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} catch (error) {
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this.showMessage('Error reading theme file.', 'error');
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}
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};
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reader.readAsText(file);
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}
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validateTheme(theme) {
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return theme &&
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theme.colors &&
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theme.colors.bg &&
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theme.colors.primary &&
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theme.colors.accent &&
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theme.colors.text;
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}
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resetToDefault() {
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if (confirm('Are you sure you want to reset to the default theme? This will lose your current customizations.')) {
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this.currentTheme = { ...this.defaultTheme };
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this.saveTheme();
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this.loadCurrentTheme();
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this.updatePreview();
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this.applyThemeToCurrentPage();
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this.applyThemeToPages();
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this.updateThemeButtons('default');
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this.showMessage('Theme reset to default.', 'success');
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}
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}
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saveTheme() {
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localStorage.setItem('currentTheme', JSON.stringify(this.currentTheme));
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}
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loadTheme() {
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const savedTheme = localStorage.getItem('currentTheme');
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return savedTheme ? JSON.parse(savedTheme) : { ...this.defaultTheme };
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}
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getCustomThemes() {
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const customThemes = localStorage.getItem('customThemes');
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return customThemes ? JSON.parse(customThemes) : {};
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}
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showMessage(message, type = 'info') {
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const messageDiv = document.createElement('div');
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messageDiv.className = `message message-${type}`;
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messageDiv.textContent = message;
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messageDiv.style.cssText = `
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position: fixed;
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top: 20px;
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right: 20px;
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padding: 12px 20px;
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border-radius: 4px;
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color: white;
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font-weight: 500;
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z-index: 10000;
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animation: slideIn 0.3s ease;
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background: ${type === 'success' ? '#48bb78' : type === 'error' ? '#e53e3e' : '#4299e1'};
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`;
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document.body.appendChild(messageDiv);
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setTimeout(() => {
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messageDiv.style.animation = 'slideOut 0.3s ease';
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setTimeout(() => {
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if (messageDiv.parentNode) {
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messageDiv.parentNode.removeChild(messageDiv);
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}
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}, 300);
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}, 3000);
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}
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// Static method to apply theme to any page
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static applyThemeToPage() {
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const savedTheme = localStorage.getItem('currentTheme');
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if (savedTheme) {
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const theme = JSON.parse(savedTheme);
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const root = document.documentElement;
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root.style.setProperty('--bg', theme.colors.bg);
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root.style.setProperty('--dark-blue', theme.colors.darkBlue);
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root.style.setProperty('--dark-purple', theme.colors.darkPurple);
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root.style.setProperty('--primary', theme.colors.primary);
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root.style.setProperty('--accent', theme.colors.accent);
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root.style.setProperty('--text', theme.colors.text);
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// Apply gradient to body if it exists
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const body = document.body;
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if (body && theme.gradient) {
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body.style.background = theme.gradient;
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console.log('[THEME] Applied gradient from storage:', theme.gradient);
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}
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return theme;
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}
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return null;
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}
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}
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// Auto-initialize on settings page
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if (window.location.pathname.includes('settings.html')) {
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document.addEventListener('DOMContentLoaded', () => {
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window.browserCustomizer = new BrowserCustomizer();
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});
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}
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// Add keyframe animations for messages
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const style = document.createElement('style');
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style.textContent = `
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@keyframes slideIn {
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from { transform: translateX(100%); opacity: 0; }
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to { transform: translateX(0); opacity: 1; }
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}
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@keyframes slideOut {
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from { transform: translateX(0); opacity: 1; }
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to { transform: translateX(100%); opacity: 0; }
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}
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`;
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document.head.appendChild(style);
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