db = Database::getInstance()->getConnection();
        if (session_status() === PHP_SESSION_NONE) session_start();
        $this->auth = new Auth();
        $this->logService = new LogService();

        if (isset($_GET['setlang'])) {
            \(_SESSION['lang'] =\)_GET['setlang'];
            header("Location: " . strtok($_SERVER['REQUEST_URI'], '?'));
            exit;
        }

        \(currentLang =\)_SESSION['lang'] ?? 'et';
        global $langService;
        \(langService = new LanguageService(\)currentLang);

        try {
            \(stmt =\)this->db->query("SELECT setting_key, setting_value FROM system_settings");
            while (\(row =\)stmt->fetch()) { \(this->settings[\)row['setting_key']] = $row['setting_value']; }
        } catch (\Exception $e) {}

        \(this->maintenance_mode = (\)this->settings['maintenance_mode'] ?? '0') === '1';
        \(ips_string =\)this->settings['allowed_ips'] ?? '127.0.0.1, ::1';
        \(this->allowed_ips = array_map('trim', explode(',',\)ips_string));
    }

    private function checkMaintenanceMode(\(action,\)isSuperAdmin = false) {
        if (!$this->maintenance_mode) return false;
        if (in_array(\(_SERVER['REMOTE_ADDR'],\)this->allowed_ips)) return false;
        if (in_array($action, ['login', 'logout', 'register', 'api/search-rik', 'forgot-password', 'reset-password'])) return false;
        if ($isSuperAdmin) return false;
        return true;
    }

    private function renderErrorPage(\(title,\)message, $icon = 'fa-lock text-warning') {
        \(auth =\)this->auth;
        \(db =\)this->db;
        
        $user = [];
        if (isset($_SESSION['user_id'])) {
            \(user['fname'] = explode(' ',\)_SESSION['user_name'] ?? 'Kasutaja')[0];
            $user['lname'] = '';
            $user['company_name'] = ''; 
            foreach (\(_SESSION['user_companies'] ?? [] as\)c) {
                if (\(c['id'] == (\)_SESSION['company_id'] ?? 1)) {
                    \(user['company_name'] =\)c['name'];
                    break;
                }
            }
        }
        
        \(title_text = __(\)title);
        \(message_text = __(\)message);
        
        require_once __DIR__ . '/Views/Layout/Header.php';
        require_once __DIR__ . '/Views/Layout/Sidebar.php';
        require_once __DIR__ . '/Views/Layout/TopNav.php';
        
        echo 'Süsteemis tekkis viga. Palun võta ühendust administraatoriga.