Bugfixes theme switcher

CHANGELOG.md

@@ -13,6 +13,8 @@ All notable changes to this project will be documented in this file.
 - gitlab: https://gitlab.com/lindeas/jilo-web/-/compare/v0.4...HEAD
 
 ### Added
+- Added CSS and JS to the default theme
+- Added change theme menu entry
 
 ### Changed
 

app/classes/session.php

@@ -6,6 +6,15 @@
  * Core session management functionality for the application
  */
 class Session {
+    private static $initialized = false;
+    private static $sessionName = ''; // Will be set from config, if not we'll have a random session name
+
+    /**
+     * Generate a random session name
+     */
+    private static function generateRandomSessionName(): string {
+        return 'sess_' . bin2hex(random_bytes(8)); // 16-character random string
+    }
     private static $sessionOptions = [
         'cookie_httponly' => 1,
         'cookie_secure' => 1,
@@ -13,12 +22,45 @@ class Session {
         'gc_maxlifetime' => 7200 // 2 hours
     ];
 
+    /**
+     * Initialize session configuration
+     */
+    private static function initialize() {
+        if (self::$initialized) {
+            return;
+        }
+
+        global $config;
+
+        // Load session settings from config if available
+        self::$sessionName = self::generateRandomSessionName();
+
+        if (isset($config['session']) && is_array($config['session'])) {
+            if (!empty($config['session']['name'])) {
+                self::$sessionName = $config['session']['name'];
+            }
+
+            if (isset($config['session']['lifetime'])) {
+                self::$sessionOptions['gc_maxlifetime'] = (int)$config['session']['lifetime'];
+            }
+        }
+
+        self::$initialized = true;
+    }
+
     /**
      * Start or resume a session with secure options
      */
     public static function startSession() {
-        session_name('jilo');
-        if (session_status() !== PHP_SESSION_ACTIVE && !headers_sent()) {
+        self::initialize();
+
+        if (session_status() === PHP_SESSION_NONE) {
+            session_name(self::$sessionName);
+            session_start(self::$sessionOptions);
+        } elseif (session_status() === PHP_SESSION_ACTIVE && session_name() !== self::$sessionName) {
+            // If session is active but with wrong name, destroy and restart it
+            session_destroy();
+            session_name(self::$sessionName);
             session_start(self::$sessionOptions);
         }
     }

app/config/jilo-web.conf.php

@@ -10,8 +10,17 @@ return [
     'domain'			=> 'localhost',
     // subfolder for the web app, if any
     'folder'			=> '/jilo-web/',
-    // site name used in emails and in the inteerface
+    // site name used in emails and in the interface
     'site_name'			=> 'Jilo Web',
+    // session configuration
+    'session' => [
+        // session name, if empty a random one will be generated
+        'name' => 'jilo',
+        // 2 hours (7200) default, when "remember me" is not checked
+        'lifetime' => 7200,
+        // 30 days (2592000) default, when "remember me" is checked
+        'remember_me_lifetime' => 2592000,
+    ],
     // set to false to disable new registrations
     'registration_enabled'	=> true,
     // will be displayed on login screen

app/config/theme.php

@@ -7,7 +7,8 @@ return [
     // Available themes with their display names
     'available_themes' => [
         'default' => 'Default built-in theme',
-        'modern' => 'Modern Theme'
+        'modern' => 'Modern theme',
+        'retro' => 'Alternative retro theme'
     ],
 
     // Path configurations

app/helpers/theme.php

@@ -12,6 +12,10 @@ namespace App\Helpers;
 
 use Exception;
 
+// Include Session class
+require_once __DIR__ . '/../classes/session.php';
+use Session;
+
 class Theme
 {
     /**
@@ -19,6 +23,18 @@ class Theme
      */
     private static $config;
 
+    /**
+     * Get the theme configuration
+     *
+     * @return array
+     */
+    public static function getConfig()
+    {
+        // Always reload the config to get the latest changes
+        self::$config = require __DIR__ . '/../config/theme.php';
+        return self::$config;
+    }
+
     /**
      * @var string Current theme name
      */
@@ -29,7 +45,10 @@ class Theme
      */
     public static function init()
     {
-        self::$config = require __DIR__ . '/../config/theme.php';
+        // Only load config if not already loaded
+        if (self::$config === null) {
+            self::$config = require __DIR__ . '/../config/theme.php';
+        }
         self::$currentTheme = self::getCurrentThemeName();
     }
 
@@ -40,13 +59,19 @@ class Theme
      */
     public static function getCurrentThemeName()
     {
+        // Ensure session is started
+        if (session_status() === PHP_SESSION_NONE) {
+            Session::startSession();
+        }
+
         // Check if already determined
         if (self::$currentTheme !== null) {
             return self::$currentTheme;
         }
 
         // Get from session if available
-        if (Session::isValidSession() && ($theme = Session::get('user_theme'))) {
+        if (Session::isValidSession() && isset($_SESSION['user_theme'])) {
+            $theme = $_SESSION['user_theme'];
             if (self::themeExists($theme)) {
                 self::$currentTheme = $theme;
                 return $theme;
@@ -70,11 +95,33 @@ class Theme
             return false;
         }
 
+        // Update session
         if (Session::isValidSession()) {
-            Session::set('user_theme', $themeName);
+            $_SESSION['user_theme'] = $themeName;
+        } else {
+            return false;
         }
 
-        self::$currentTheme = $themeName;
+        // Update config file
+        $configFile = __DIR__ . '/../config/theme.php';
+        if (file_exists($configFile) && is_writable($configFile)) {
+            $config = file_get_contents($configFile);
+            // Update the active_theme in the config
+            $newConfig = preg_replace(
+                "/'active_theme'\s*=>\s*'[^']*'/",
+                "'active_theme' => '" . addslashes($themeName) . "'",
+                $config
+            );
+
+            if ($newConfig !== $config) {
+                if (file_put_contents($configFile, $newConfig) === false) {
+                    return false;
+                }
+            }
+            self::$currentTheme = $themeName;
+            return true;
+        }
+        return false;
         return true;
     }
 
@@ -86,6 +133,11 @@ class Theme
      */
     public static function themeExists(string $themeName): bool
     {
+        // Default theme always exists as it uses core templates
+        if ($themeName === 'default') {
+            return true;
+        }
+
         $themePath = self::getThemePath($themeName);
         return is_dir($themePath) && file_exists("$themePath/config.php");
     }
@@ -134,41 +186,35 @@ class Theme
     }
 
     /**
-     * Include a theme template
+     * Include a theme template file
      *
-     * @param string $template
-     * @param array $data
+     * @param string $template Template name without .php extension
      * @return void
      */
-    public static function include($template, $data = [])
+    public static function include($template)
     {
         $themeName = self::getCurrentThemeName();
         $config = self::getConfig();
 
-        // For non-default themes, look in the theme directory
+        // Import all global variables into local scope
+        // We need this here, otherwise because this helper
+        // between index and the views breaks the session vars
+        extract($GLOBALS, EXTR_SKIP | EXTR_REFS);
+
+        // For non-default themes, look in the theme directory first
         if ($themeName !== 'default') {
             $themePath = $config['paths']['themes'] . '/' . $themeName . '/views/' . $template . '.php';
             if (file_exists($themePath)) {
-                extract($data);
                 include $themePath;
                 return;
             }
+        }
 
-            // Fallback to default theme if template not found in custom theme
-            $legacyPath = $config['paths']['templates'] . '/' . $template . '.php';
-            if (file_exists($legacyPath)) {
-                extract($data);
-                include $legacyPath;
-                return;
-            }
-        } else {
-            // Default theme uses app/templates
-            $legacyPath = $config['paths']['templates'] . '/' . $template . '.php';
-            if (file_exists($legacyPath)) {
-                extract($data);
-                include $legacyPath;
-                return;
-            }
+        // Fallback to default template location
+        $defaultPath = $config['paths']['templates'] . '/' . $template . '.php';
+        if (file_exists($defaultPath)) {
+            include $defaultPath;
+            return;
         }
 
         // Log error if template not found
@@ -182,22 +228,20 @@ class Theme
      */
     public static function getAvailableThemes(): array
     {
+        $config = self::getConfig();
+        $availableThemes = $config['available_themes'] ?? [];
         $themes = [];
-        $themesDir = self::$config['path'] ?? (__DIR__ . '/../../themes');
 
-        if (!is_dir($themesDir)) {
-            return [];
+        // Add default theme if not already present
+        if (!isset($availableThemes['default'])) {
+            $availableThemes['default'] = 'Default built-in theme';
         }
 
-        foreach (scandir($themesDir) as $item) {
-            if ($item === '.' || $item === '..' || !is_dir("$themesDir/$item")) {
-                continue;
-            }
-
-            $configFile = "$themesDir/$item/config.php";
-            if (file_exists($configFile)) {
-                $config = include $configFile;
-                $themes[$item] = $config['name'] ?? ucfirst($item);
+        // Verify each theme exists and has a config file
+        $themesDir = $config['paths']['themes'] ?? (__DIR__ . '/../../themes');
+        foreach ($availableThemes as $id => $name) {
+            if ($id === 'default' || (is_dir("$themesDir/$id") && file_exists("$themesDir/$id/config.php"))) {
+                $themes[$id] = $name;
             }
         }
 

app/pages/theme.php

@@ -9,6 +9,10 @@
  * - switch_to: Changes the active theme for the current user
  */
 
+// Initialize security
+require_once '../app/helpers/security.php';
+$security = SecurityHelper::getInstance();
+
 // Only allow access to logged-in users
 if (!Session::isValidSession()) {
     header('Location: ' . $app_root . '?page=login');
@@ -20,9 +24,6 @@ if (isset($_GET['switch_to'])) {
     $themeName = $_GET['switch_to'];
 
     // Validate CSRF token for state-changing operations
-    require_once '../app/helpers/security.php';
-    $security = SecurityHelper::getInstance();
-
     if (!$security->verifyCsrfToken($_GET['csrf_token'] ?? '')) {
         Feedback::flash('SECURITY', 'CSRF_INVALID');
         header("Location: $app_root?page=theme");

app/templates/page-menu.php

@@ -15,7 +15,7 @@
                 </div>
 
                 <li class="font-weight-light text-uppercase" style="font-size: 0.5em; color: whitesmoke; margin-right: 70px; align-content: center;">
-                    version&nbsp;<?= htmlspecialchars($config['version']) ?>
+                    version&nbsp;<?= htmlspecialchars($config['version'] ?? '1.0.0') ?>
                 </li>
 
 <?php if (Session::isValidSession()) { ?>
@@ -47,6 +47,10 @@
                     </a>
                     <div class="dropdown-menu dropdown-menu-right">
                         <h6 class="dropdown-header"><?= htmlspecialchars($currentUser) ?></h6>
+                        <a class="dropdown-item" href="<?= htmlspecialchars($app_root) ?>?page=theme">
+                            <i class="fas fa-paint-brush"></i>Change theme
+                        </a>
+                        <div class="dropdown-divider"></div>
                         <a class="dropdown-item" href="<?= htmlspecialchars($app_root) ?>?page=profile">
                             <i class="fas fa-id-card"></i>Profile details
                         </a>

app/templates/theme.php

@@ -24,7 +24,7 @@
                                     <p class="card-text text-muted">Theme ID: <code><?= htmlspecialchars($themeId) ?></code></p>
                                     <div class="mt-auto">
 <?php if (!$isActive) { ?>
-                                        <a href="?page=theme&switch_to=<?= urlencode($themeId) ?>" class="btn btn-primary">Switch to this theme</a>
+                                        <a href="?page=theme&switch_to=<?= urlencode($themeId) ?>&csrf_token=<?= $csrf_token ?>" class="btn btn-primary">Switch to this theme</a>
 <?php } else { ?>
                                         <button class="btn btn-outline-secondary" disabled>Currently active</button>
 <?php } ?>

themes/modern/css/theme.css

@@ -0,0 +1,180 @@
+/* Modern Theme Styles */
+
+:root {
+    --primary-color: #4361ee;
+    --secondary-color: #3f37c9;
+    --accent-color: #4895ef;
+    --light-color: #f8f9fa;
+    --dark-color: #212529;
+    --success-color: #4bb543;
+    --warning-color: #f9c74f;
+    --danger-color: #ef476f;
+    --border-radius: 0.5rem;
+}
+
+/* General Styles */
+body.modern-theme {
+    background-color: #f5f7fa;
+    color: #333;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+}
+
+/* Navigation */
+.menu-container {
+    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
+    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+    padding: 0.5rem 1rem;
+}
+
+.menu-left {
+    display: flex;
+    align-items: center;
+}
+
+.menu-right {
+    display: flex;
+    align-items: center;
+    justify-content: flex-end;
+}
+
+/* Cards */
+.card {
+    border: none;
+    border-radius: var(--border-radius);
+    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
+    transition: transform 0.2s, box-shadow 0.2s;
+    margin-bottom: 1.5rem;
+}
+
+.card:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
+}
+
+.card-header {
+    background-color: white;
+    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
+    font-weight: 600;
+}
+
+/* Buttons */
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+    border-radius: var(--border-radius);
+    padding: 0.375rem 1rem;
+    font-weight: 500;
+    transition: all 0.2s;
+}
+
+.btn-primary:hover {
+    background-color: var(--secondary-color);
+    border-color: var(--secondary-color);
+    transform: translateY(-1px);
+}
+
+/* Forms */
+.form-control {
+    border-radius: var(--border-radius);
+    border: 1px solid #e1e5eb;
+    padding: 0.5rem 0.75rem;
+}
+
+.form-control:focus {
+    border-color: var(--accent-color);
+    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
+}
+
+/* Tables */
+.table {
+    background-color: white;
+    border-radius: var(--border-radius);
+    overflow: hidden;
+}
+
+.table thead th {
+    background-color: #f8f9fa;
+    border-bottom: 2px solid #e9ecef;
+    font-weight: 600;
+    text-transform: uppercase;
+    font-size: 0.75rem;
+    letter-spacing: 0.5px;
+}
+
+/* Alerts */
+.alert {
+    border-radius: var(--border-radius);
+    border: none;
+    padding: 1rem 1.25rem;
+}
+
+.alert-success {
+    background-color: rgba(75, 181, 67, 0.1);
+    color: var(--success-color);
+}
+
+.alert-warning {
+    background-color: rgba(249, 199, 79, 0.1);
+    color: #c9a227;
+}
+
+.alert-danger {
+    background-color: rgba(239, 71, 111, 0.1);
+    color: var(--danger-color);
+}
+
+/* Theme Switcher */
+.theme-switcher {
+    margin-left: 1rem;
+}
+
+.theme-switcher .dropdown-toggle {
+    background: rgba(255, 255, 255, 0.1);
+    border: none;
+    border-radius: 50%;
+    width: 36px;
+    height: 36px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: white;
+    transition: all 0.2s;
+}
+
+.theme-switcher .dropdown-toggle:hover {
+    background: rgba(255, 255, 255, 0.2);
+}
+
+.theme-option {
+    display: flex;
+    align-items: center;
+    padding: 0.5rem 1rem;
+    cursor: pointer;
+    transition: background-color 0.2s;
+}
+
+.theme-option:hover {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.theme-preview {
+    width: 20px;
+    height: 20px;
+    border-radius: 4px;
+    margin-right: 10px;
+    border: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+    .menu-container {
+        flex-direction: column;
+        padding: 0.5rem;
+    }
+    
+    .menu-left, .menu-right {
+        width: 100%;
+        justify-content: space-between;
+        padding: 0.25rem 0;
+    }
+}

themes/modern/js/theme.js

@@ -0,0 +1,81 @@
+/**
+ * Modern Theme JavaScript
+ * 
+ * This file contains theme-specific JavaScript functionality.
+ */
+
+document.addEventListener('DOMContentLoaded', function() {
+    // Initialize tooltips
+    $('[data-toggle="tooltip"]').tooltip();
+    
+    // Initialize popovers
+    $('[data-toggle="popover"]').popover();
+    
+    // Add smooth scrolling to anchor links
+    $('a[href^="#"]').on('click', function(e) {
+        if (this.hash !== '') {
+            e.preventDefault();
+            
+            const hash = this.hash;
+            $('html, body').animate(
+                { scrollTop: $(hash).offset().top - 20 },
+                800
+            );
+        }
+    });
+    
+    // Handle form validation feedback
+    $('form.needs-validation').on('submit', function(event) {
+        if (this.checkValidity() === false) {
+            event.preventDefault();
+            event.stopPropagation();
+        }
+        $(this).addClass('was-validated');
+    });
+    
+    // Add active class to current nav item
+    const currentPage = window.location.pathname.split('/').pop() || 'index.php';
+    $('.nav-link').each(function() {
+        if ($(this).attr('href') === currentPage) {
+            $(this).addClass('active');
+            $(this).closest('.nav-item').addClass('active');
+        }
+    });
+    
+    // Handle sidebar toggle
+    const sidebarToggle = document.querySelector('.sidebar-toggle');
+    if (sidebarToggle) {
+        sidebarToggle.addEventListener('click', function() {
+            document.documentElement.classList.toggle('sidebar-collapsed');
+            localStorage.setItem('sidebarState', 
+                document.documentElement.classList.contains('sidebar-collapsed') ? 'collapsed' : 'expanded');
+        });
+    }
+    
+    // Handle dropdown menus
+    $('.dropdown-menu a.dropdown-toggle').on('click', function(e) {
+        if (!$(this).next().hasClass('show')) {
+            $(this).parents('.dropdown-menu').first().find('.show').removeClass('show');
+        }
+        const $subMenu = $(this).next('.dropdown-menu');
+        $subMenu.toggleClass('show');
+        
+        $(this).parents('li.nav-item.dropdown.show').on('hidden.bs.dropdown', function() {
+            $('.dropdown-submenu .show').removeClass('show');
+        });
+        
+        return false;
+    });
+});
+
+// Theme switcher functionality
+function setTheme(themeName) {
+    localStorage.setItem('theme', themeName);
+    document.documentElement.className = themeName;
+}
+
+// Immediately-invoked function to set the theme on initial load
+(function () {
+    const savedTheme = localStorage.getItem('theme') || 'light-theme';
+    setTheme(savedTheme);
+})();

themes/retro/assets/css/theme.css

@@ -0,0 +1,180 @@
+/* Retro Theme Styles */
+
+:root {
+    --primary-color: #4361ee;
+    --secondary-color: #3f37c9;
+    --accent-color: #4895ef;
+    --light-color: #f8f9fa;
+    --dark-color: #212529;
+    --success-color: #4bb543;
+    --warning-color: #f9c74f;
+    --danger-color: #ef476f;
+    --border-radius: 0.5rem;
+}
+
+/* General Styles */
+body.modern-theme {
+    background-color: #f5f7fa;
+    color: #333;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+}
+
+/* Navigation */
+.menu-container {
+    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
+    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+    padding: 0.5rem 1rem;
+}
+
+.menu-left {
+    display: flex;
+    align-items: center;
+}
+
+.menu-right {
+    display: flex;
+    align-items: center;
+    justify-content: flex-end;
+}
+
+/* Cards */
+.card {
+    border: none;
+    border-radius: var(--border-radius);
+    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
+    transition: transform 0.2s, box-shadow 0.2s;
+    margin-bottom: 1.5rem;
+}
+
+.card:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
+}
+
+.card-header {
+    background-color: white;
+    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
+    font-weight: 600;
+}
+
+/* Buttons */
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+    border-radius: var(--border-radius);
+    padding: 0.375rem 1rem;
+    font-weight: 500;
+    transition: all 0.2s;
+}
+
+.btn-primary:hover {
+    background-color: var(--secondary-color);
+    border-color: var(--secondary-color);
+    transform: translateY(-1px);
+}
+
+/* Forms */
+.form-control {
+    border-radius: var(--border-radius);
+    border: 1px solid #e1e5eb;
+    padding: 0.5rem 0.75rem;
+}
+
+.form-control:focus {
+    border-color: var(--accent-color);
+    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
+}
+
+/* Tables */
+.table {
+    background-color: white;
+    border-radius: var(--border-radius);
+    overflow: hidden;
+}
+
+.table thead th {
+    background-color: #f8f9fa;
+    border-bottom: 2px solid #e9ecef;
+    font-weight: 600;
+    text-transform: uppercase;
+    font-size: 0.75rem;
+    letter-spacing: 0.5px;
+}
+
+/* Alerts */
+.alert {
+    border-radius: var(--border-radius);
+    border: none;
+    padding: 1rem 1.25rem;
+}
+
+.alert-success {
+    background-color: rgba(75, 181, 67, 0.1);
+    color: var(--success-color);
+}
+
+.alert-warning {
+    background-color: rgba(249, 199, 79, 0.1);
+    color: #c9a227;
+}
+
+.alert-danger {
+    background-color: rgba(239, 71, 111, 0.1);
+    color: var(--danger-color);
+}
+
+/* Theme Switcher */
+.theme-switcher {
+    margin-left: 1rem;
+}
+
+.theme-switcher .dropdown-toggle {
+    background: rgba(255, 255, 255, 0.1);
+    border: none;
+    border-radius: 50%;
+    width: 36px;
+    height: 36px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: white;
+    transition: all 0.2s;
+}
+
+.theme-switcher .dropdown-toggle:hover {
+    background: rgba(255, 255, 255, 0.2);
+}
+
+.theme-option {
+    display: flex;
+    align-items: center;
+    padding: 0.5rem 1rem;
+    cursor: pointer;
+    transition: background-color 0.2s;
+}
+
+.theme-option:hover {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.theme-preview {
+    width: 20px;
+    height: 20px;
+    border-radius: 4px;
+    margin-right: 10px;
+    border: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+    .menu-container {
+        flex-direction: column;
+        padding: 0.5rem;
+    }
+
+    .menu-left, .menu-right {
+        width: 100%;
+        justify-content: space-between;
+        padding: 0.25rem 0;
+    }
+}

themes/retro/assets/js/theme.js

@@ -0,0 +1,81 @@
+/**
+ * Retro Theme JavaScript
+ * 
+ * This file contains theme-specific JavaScript functionality.
+ */
+
+document.addEventListener('DOMContentLoaded', function() {
+    // Initialize tooltips
+    $('[data-toggle="tooltip"]').tooltip();
+    
+    // Initialize popovers
+    $('[data-toggle="popover"]').popover();
+    
+    // Add smooth scrolling to anchor links
+    $('a[href^="#"]').on('click', function(e) {
+        if (this.hash !== '') {
+            e.preventDefault();
+            
+            const hash = this.hash;
+            $('html, body').animate(
+                { scrollTop: $(hash).offset().top - 20 },
+                800
+            );
+        }
+    });
+    
+    // Handle form validation feedback
+    $('form.needs-validation').on('submit', function(event) {
+        if (this.checkValidity() === false) {
+            event.preventDefault();
+            event.stopPropagation();
+        }
+        $(this).addClass('was-validated');
+    });
+    
+    // Add active class to current nav item
+    const currentPage = window.location.pathname.split('/').pop() || 'index.php';
+    $('.nav-link').each(function() {
+        if ($(this).attr('href') === currentPage) {
+            $(this).addClass('active');
+            $(this).closest('.nav-item').addClass('active');
+        }
+    });
+    
+    // Handle sidebar toggle
+    const sidebarToggle = document.querySelector('.sidebar-toggle');
+    if (sidebarToggle) {
+        sidebarToggle.addEventListener('click', function() {
+            document.documentElement.classList.toggle('sidebar-collapsed');
+            localStorage.setItem('sidebarState', 
+                document.documentElement.classList.contains('sidebar-collapsed') ? 'collapsed' : 'expanded');
+        });
+    }
+    
+    // Handle dropdown menus
+    $('.dropdown-menu a.dropdown-toggle').on('click', function(e) {
+        if (!$(this).next().hasClass('show')) {
+            $(this).parents('.dropdown-menu').first().find('.show').removeClass('show');
+        }
+        const $subMenu = $(this).next('.dropdown-menu');
+        $subMenu.toggleClass('show');
+        
+        $(this).parents('li.nav-item.dropdown.show').on('hidden.bs.dropdown', function() {
+            $('.dropdown-submenu .show').removeClass('show');
+        });
+        
+        return false;
+    });
+});
+
+// Theme switcher functionality
+function setTheme(themeName) {
+    localStorage.setItem('theme', themeName);
+    document.documentElement.className = themeName;
+}
+
+// Immediately-invoked function to set the theme on initial load
+(function () {
+    const savedTheme = localStorage.getItem('theme') || 'light-theme';
+    setTheme(savedTheme);
+})();

themes/retro/config.php

@@ -0,0 +1,12 @@
+<?php
+
+return [
+    'name' => 'Retro theme',
+    'description' => 'Example theme. An alternative to the default theme for Jilo Web.',
+    'version' => '1.0.0',
+    'author' => 'Lindeas Inc.',
+    'screenshot' => 'screenshot.png',
+    'options' => [
+        // Theme-specific options can be defined here
+    ]
+];

themes/retro/views/page-footer.php

@@ -0,0 +1,31 @@
+    <!-- Retro Theme Footer -->
+    <footer class="footer mt-5 py-3 bg-light">
+        <div class="container">
+            <div class="row">
+                <div class="col-md-6">
+                    <span class="text-muted">
+                        &copy; <?= date('Y') ?> <?= htmlspecialchars($config['site_name'] ?? '') ?> v<?= htmlspecialchars($config['version'] ?? '') ?>
+                    </span>
+                </div>
+                <div class="col-md-6 text-md-end">
+                    <span class="text-muted">
+                        <?= htmlspecialchars($themeName ?? 'Modern Theme') ?>
+                    </span>
+                </div>
+            </div>
+        </div>
+    </footer>
+
+    <!-- Theme-specific JavaScript -->
+    <script src="<?= \App\Helpers\Theme::asset('js/theme.js') ?>"></script>
+
+    <!-- Global site scripts -->
+    <script src="<?= htmlspecialchars($app_root) ?>static/js/messages.js"></script>
+
+    <?php if ($page === 'graphs'): ?>
+    <script src="<?= htmlspecialchars($app_root) ?>static/js/graphs.js"></script>
+    <?php endif; ?>
+
+    <?php do_hook('footer_scripts'); ?>
+</body>
+</html>

themes/retro/views/page-header.php

@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title><?= htmlspecialchars($config['site_name'] ?? '') ?> - <?= htmlspecialchars($pageTitle ?? 'Dashboard') ?></title>
+
+    <!-- Bootstrap 5.3.3 CSS -->
+    <link rel="stylesheet" type="text/css" href="<?= htmlspecialchars($app_root) ?>static/libs/bootstrap/bootstrap-5.3.3.min.css">
+
+    <!-- Font Awesome -->
+    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.0/css/all.css">
+
+    <!-- Custom CSS -->
+    <link rel="stylesheet" type="text/css" href="<?= htmlspecialchars($app_root) ?>static/css/main.css">
+
+    <!-- Theme-specific CSS -->
+    <link rel="stylesheet" type="text/css" href="<?= \App\Helpers\Theme::asset('css/theme.css') ?>">
+
+    <!-- jQuery -->
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/jquery/jquery.min.js"></script>
+
+    <!-- Bootstrap JS -->
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/bootstrap/popper.min.js"></script>
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/bootstrap/bootstrap-4.0.0.min.js"></script>
+
+    <?php if (Session::getUsername()): ?>
+    <script>
+    // Restore sidebar state before the page is rendered
+    (function() {
+        var savedState = localStorage.getItem('sidebarState');
+        if (savedState === 'collapsed') {
+            document.documentElement.classList.add('sidebar-collapsed');
+        }
+    })();
+    </script>
+    <?php endif; ?>
+
+    <!-- Page-specific CSS -->
+    <?php if ($page === 'logs'): ?>
+    <link rel="stylesheet" type="text/css" href="<?= htmlspecialchars($app_root) ?>static/css/logs.css">
+    <?php endif; ?>
+
+    <?php if ($page === 'profile'): ?>
+    <link rel="stylesheet" type="text/css" href="<?= htmlspecialchars($app_root) ?>static/css/profile.css">
+    <?php endif; ?>
+
+    <?php if ($page === 'agents'): ?>
+    <script src="<?= htmlspecialchars($app_root) ?>static/js/agents.js"></script>
+    <?php endif; ?>
+
+    <?php if ($page === 'graphs'): ?>
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/chartjs/chart.umd.min.js"></script>
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/chartjs/moment.min.js"></script>
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/chartjs/chartjs-adapter-moment.min.js"></script>
+    <script src="<?= htmlspecialchars($app_root) ?>static/libs/chartjs/chartjs-plugin-zoom.min.js"></script>
+    <?php endif; ?>
+
+    <link rel="icon" type="image/x-icon" href="<?= htmlspecialchars($app_root) ?>static/favicon.ico">
+</head>
+
+<body class="modern-theme">
+    <div id="messages-container" class="container-fluid mt-2"></div>
+
+    <?php if (isset($system_messages) && is_array($system_messages)): ?>
+    <div class="container-fluid">
+        <div class="row">
+            <div class="col">
+                <?php foreach ($system_messages as $msg): ?>
+                    <?= Feedback::render($msg['category'], $msg['key'], $msg['custom_message'] ?? null) ?>
+                <?php endforeach; ?>
+            </div>
+        </div>
+    </div>
+    <?php endif; ?>