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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>WinDeskOS - Virtual Desktop</title>
    <link rel="icon" type="image/x-icon" href="/static/favicon.ico">
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://unpkg.com/feather-icons"></script>
    <script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Segoe+UI:wght@300;400;500;600&display=swap');
        
        * {
            font-family: 'Segoe UI', sans-serif;
        }
        
        .window {
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
        }
        .desktop-icon {
            transition: all 0.2s ease;
            position: absolute;
        }
        
        .desktop-icon:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: scale(1.05);
        }
        
        .desktop-icon.dragging {
            opacity: 0.8;
            z-index: 9999;
        }
.taskbar-item {
            transition: all 0.2s ease;
        }
        
        .taskbar-item:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .start-menu {
            transition: all 0.3s ease;
            transform-origin: bottom left;
        }
        
        .context-menu {
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
        }
        
        .desktop-bg {
            background: linear-gradient(135deg, #0078d4 0%, #106ebe 100%);
        }
    </style>
</head>
<body class="bg-gray-900 text-white overflow-hidden h-screen flex flex-col">
    <!-- Desktop Area -->
    <div class="desktop-bg flex-1 relative p-4" id="desktop">
        <!-- Desktop Icons -->
        <div id="desktop-icon-1" class="desktop-icon cursor-pointer p-2 rounded text-center" style="top: 16px; left: 16px;" data-app="recycle-bin">
            <i data-feather="trash-2" class="w-8 h-8 mx-auto text-blue-300"></i>
            <p class="text-xs mt-1 text-white">Recycle Bin</p>
        </div>
        
        <div id="desktop-icon-2" class="desktop-icon cursor-pointer p-2 rounded text-center" style="top: 16px; left: 96px;" data-app="documents">
            <i data-feather="folder" class="w-8 h-8 mx-auto text-yellow-300"></i>
            <p class="text-xs mt-1 text-white">Documents</p>
        </div>
        
        <div id="desktop-icon-3" class="desktop-icon cursor-pointer p-2 rounded text-center" style="top: 80px; left: 16px;" data-app="pictures">
            <i data-feather="image" class="w-8 h-8 mx-auto text-green-300"></i>
            <p class="text-xs mt-1 text-white">Pictures</p>
        </div>
        
        <div id="desktop-icon-4" class="desktop-icon cursor-pointer p-2 rounded text-center" style="top: 80px; left: 96px;" data-app="browser">
            <i data-feather="globe" class="w-8 h-8 mx-auto text-purple-300"></i>
            <p class="text-xs mt-1 text-white">Browser</p>
        </div>
<!-- Windows -->
        <div id="windows-container" class="absolute inset-0 pointer-events-none">
            <!-- Windows will be dynamically added here -->
        </div>
    </div>
    <!-- Taskbar -->
    <div class="bg-gray-800 bg-opacity-90 border-t border-gray-700 h-10 flex items-center px-2">
        <!-- Start Button -->
        <button id="start-button" class="taskbar-item h-8 w-8 bg-blue-600 hover:bg-blue-500 rounded flex items-center justify-center mr-2">
            <i data-feather="grid" class="w-4 h-4"></i>
        </button>
        
        <!-- User Profile Button -->
        <div class="taskbar-item h-8 px-3 bg-gray-700 hover:bg-gray-600 rounded flex items-center justify-center cursor-pointer mr-2" onclick="showUserMenu()">
            <i data-feather="user" class="w-4 h-4 mr-2"></i>
            <span id="username-display" class="text-xs">User</span>
        </div>
<!-- Taskbar Apps -->
        <div class="flex space-x-1">
            <div class="taskbar-item h-8 w-8 bg-gray-700 hover:bg-gray-600 rounded flex items-center justify-center cursor-pointer" onclick="openWindow('browser')">
                <i data-feather="globe" class="w-4 h-4"></i>
            </div>
            <div class="taskbar-item h-8 w-8 bg-gray-700 hover:bg-gray-600 rounded flex items-center justify-center cursor-pointer" onclick="openWindow('explorer')">
                <i data-feather="folder" class="w-4 h-4"></i>
            </div>
            <div class="taskbar-item h-8 w-8 bg-gray-700 hover:bg-gray-600 rounded flex items-center justify-center cursor-pointer" onclick="openWindow('settings')">
                <i data-feather="settings" class="w-4 h-4"></i>
            </div>
        </div>
        <!-- System Tray -->
        <div class="ml-auto flex items-center space-x-3">
            <div class="text-xs cursor-pointer hover:text-blue-300" onclick="toggleVolume()">
                <i data-feather="volume-2" id="volume-icon" class="w-4 h-4"></i>
            </div>
            <div class="text-xs cursor-pointer hover:text-blue-300" onclick="toggleWiFiMenu()">
                <i data-feather="wifi" id="wifi-icon" class="w-4 h-4"></i>
            </div>
            <div class="text-xs cursor-pointer hover:text-blue-300" onclick="toggleBatteryInfo()">
                <i data-feather="battery" id="battery-icon" class="w-4 h-4"></i>
            </div>
            <div class="text-xs">
                <span id="time">15:30</span>
            </div>
            <div class="w-4 h-4 bg-green-500 rounded-full cursor-pointer" onclick="showNotificationCenter()"></div>
        </div>
    </div>
    
    <!-- User Menu -->
    <div id="user-menu" class="fixed bottom-12 left-14 w-48 bg-gray-800 bg-opacity-95 rounded-lg window hidden transform scale-95 opacity-0 pointer-events-none z-50">
        <div class="p-3 border-b border-gray-700">
            <div class="text-sm font-semibold" id="user-menu-name">User</div>
            <div class="text-xs text-gray-400" id="user-menu-email">user@example.com</div>
        </div>
        <div class="p-1">
            <div class="px-3 py-2 hover:bg-gray-700 cursor-pointer rounded text-sm flex items-center space-x-2" onclick="showUserSettings()">
                <i data-feather="settings" class="w-4 h-4"></i>
                <span>Account Settings</span>
            </div>
            <div class="px-3 py-2 hover:bg-gray-700 cursor-pointer rounded text-sm flex items-center space-x-2" onclick="lockSession()">
                <i data-feather="lock" class="w-4 h-4"></i>
                <span>Lock Session</span>
            </div>
            <div class="border-t border-gray-700 my-1"></div>
            <div class="px-3 py-2 hover:bg-gray-700 cursor-pointer rounded text-sm flex items-center space-x-2" onclick="logout()">
                <i data-feather="log-out" class="w-4 h-4"></i>
                <span>Sign Out</span>
            </div>
        </div>
    </div>
<!-- Start Menu -->
    <div id="start-menu" class="start-menu fixed bottom-10 left-2 w-80 h-96 bg-gray-800 bg-opacity-95 rounded-lg window hidden transform scale-95 opacity-0 pointer-events-none">
        <div class="p-4">
            <div class="text-xl font-semibold mb-4">Applications</div>
            <div class="grid grid-cols-2 gap-2">
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('browser')">
                    <i data-feather="globe" class="w-6 h-6 text-blue-400"></i>
                    <span>Browser</span>
                </div>
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('explorer')">
                    <i data-feather="folder" class="w-6 h-6 text-yellow-400"></i>
                    <span>File Explorer</span>
                </div>
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('settings')">
                    <i data-feather="settings" class="w-6 h-6 text-gray-400"></i>
                    <span>Settings</span>
                </div>
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('notepad')">
                    <i data-feather="edit" class="w-6 h-6 text-green-400"></i>
                    <span>Notepad</span>
                </div>
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('calculator')">
                    <i data-feather="calculator" class="w-6 h-6 text-purple-400"></i>
                    <span>Calculator</span>
                </div>
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('weather')">
                    <i data-feather="cloud" class="w-6 h-6 text-blue-400"></i>
                    <span>Weather</span>
                </div>
                <div class="p-3 rounded hover:bg-gray-700 cursor-pointer flex items-center space-x-2" onclick="openWindow('calendar')">
                    <i data-feather="calendar" class="w-6 h-6 text-red-400"></i>
                    <span>Calendar</span>
                </div>
</div>
        </div>
    </div>
    <!-- Context Menu -->
    <div id="context-menu" class="context-menu fixed bg-gray-800 bg-opacity-95 rounded-lg py-2 hidden z-50">
        <div class="px-4 py-2 hover:bg-gray-700 cursor-pointer flex items-center space-x-2">
            <i data-feather="folder-plus" class="w-4 h-4"></i>
            <span>New Folder</span>
        </div>
        <div class="px-4 py-2 hover:bg-gray-700 cursor-pointer flex items-center space-x-2">
            <i data-feather="file-text" class="w-4 h-4"></i>
            <span>New Text Document</span>
        </div>
        <div class="border-t border-gray-700 my-1"></div>
        <div class="px-4 py-2 hover:bg-gray-700 cursor-pointer flex items-center space-x-2">
            <i data-feather="settings" class="w-4 h-4"></i>
            <span>Personalize</span>
        </div>
        <div class="px-4 py-2 hover:bg-gray-700 cursor-pointer flex items-center space-x-2">
            <i data-feather="info" class="w-4 h-4"></i>
            <span>Properties</span>
        </div>
        <div class="border-t border-gray-700 my-1"></div>
        <div class="px-4 py-2 hover:bg-gray-700 cursor-pointer flex items-center space-x-2">
            <i data-feather="refresh-cw" class="w-4 h-4"></i>
            <span>Refresh</span>
        </div>
    </div>

    <!-- Notification Center -->
    <div id="notification-center" class="fixed right-2 bottom-12 w-80 h-96 bg-gray-800 bg-opacity-95 rounded-lg window hidden transform scale-95 opacity-0 pointer-events-none z-50">
        <div class="p-4">
            <div class="flex items-center justify-between mb-4">
                <div class="text-lg font-semibold">Notifications</div>
                <button onclick="hideNotificationCenter()" class="w-6 h-6 rounded hover:bg-gray-700 flex items-center justify-center">
                    <i data-feather="x" class="w-4 h-4"></i>
                </button>
            </div>
            <div class="space-y-2 max-h-64 overflow-y-auto">
                <div class="p-3 bg-gray-700 rounded">
                    <div class="text-sm font-medium">System</div>
                    <div class="text-xs text-gray-300">Welcome to WinDeskOS!</div>
                    <div class="text-xs text-gray-400 mt-1">Just now</div>
                </div>
            </div>
            <div class="border-t border-gray-700 mt-4 pt-4">
                <div class="text-sm font-semibold mb-2">Quick Settings</div>
                <div class="grid grid-cols-3 gap-2">
                    <div class="p-2 bg-gray-700 rounded text-center cursor-pointer hover:bg-gray-600" onclick="toggleDarkMode()">
                        <i data-feather="moon" class="w-5 h-5 mx-auto"></i>
                        <div class="text-xs mt-1">Dark Mode</div>
                    </div>
                    <div class="p-2 bg-gray-700 rounded text-center cursor-pointer hover:bg-gray-600" onclick="toggleVolume()">
                        <i data-feather="volume-2" class="w-5 h-5 mx-auto"></i>
                        <div class="text-xs mt-1">Volume</div>
                    </div>
                    <div class="p-2 bg-gray-700 rounded text-center cursor-pointer hover:bg-gray-600" onclick="toggleWiFi()">
                        <i data-feather="wifi" class="w-5 h-5 mx-auto"></i>
                        <div class="text-xs mt-1">Wi-Fi</div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Calculator App Content -->
    <script id="calculator-template" type="text/template">
        <div class="h-full flex flex-col">
            <div class="bg-gray-900 p-2 text-right text-2xl font-mono mb-2 rounded" id="calc-display">0</div>
            <div class="grid grid-cols-4 gap-2 flex-1">
                <button class="bg-gray-700 hover:bg-gray-600 rounded p-2" onclick="calcClear()">C</button>
                <button class="bg-gray-700 hover:bg-gray-600 rounded p-2" onclick="calcBackspace()"></button>
                <button class="bg-gray-700 hover:bg-gray-600 rounded p-2" onclick="calcOperation('%')">%</button>
                <button class="bg-blue-600 hover:bg-blue-500 rounded p-2" onclick="calcOperation('/')">/</button>
                
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('7')">7</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('8')">8</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('9')">9</button>
                <button class="bg-blue-600 hover:bg-blue-500 rounded p-2" onclick="calcOperation('*')">×</button>
                
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('4')">4</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('5')">5</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('6')">6</button>
                <button class="bg-blue-600 hover:bg-blue-500 rounded p-2" onclick="calcOperation('-')">-</button>
                
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('1')">1</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('2')">2</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('3')">3</button>
                <button class="bg-blue-600 hover:bg-blue-500 rounded p-2" onclick="calcOperation('+')">+</button>
                
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2 col-span-2" onclick="calcInput('0')">0</button>
                <button class="bg-gray-600 hover:bg-gray-500 rounded p-2" onclick="calcInput('.')">.</button>
                <button class="bg-green-600 hover:bg-green-500 rounded p-2" onclick="calcCalculate()">=</button>
            </div>
        </div>
    </script>

    <!-- Weather App Content -->
    <script id="weather-template" type="text/template">
        <div class="h-full flex flex-col items-center justify-center p-4">
            <i data-feather="cloud" class="w-16 h-16 text-blue-400 mb-4"></i>
            <div class="text-3xl font-bold" id="weather-temp">--°C</div>
            <div class="text-lg text-gray-300 mb-2" id="weather-location">Loading...</div>
            <div class="text-sm text-gray-400" id="weather-desc">Fetching weather data</div>
            <button onclick="fetchWeather()" class="mt-4 px-4 py-2 bg-blue-600 hover:bg-blue-500 rounded text-sm">
                <i data-feather="refresh-cw" class="w-4 h-4 inline mr-1"></i>
                Refresh
            </button>
        </div>
    </script>
<script>
        let windows = [];
        let zIndexCounter = 1000;
        let currentUser = null;
        // Check authentication on page load
        function checkAuthentication() {
            const userData = localStorage.getItem('currentUser');
            // Allow admin user to bypass login for demo purposes
            if (!userData) {
                // Create demo admin user if none exists
                const demoUser = {
                    username: 'admin',
                    rememberMe: true,
                    loginTime: new Date().toISOString()
                };
                localStorage.setItem('currentUser', JSON.stringify(demoUser));
                currentUser = demoUser;
            } else {
                currentUser = JSON.parse(userData);
            }
            
            document.getElementById('username-display').textContent = currentUser.username;
            document.getElementById('user-menu-name').textContent = currentUser.username;
            document.getElementById('user-menu-email').textContent = `${currentUser.username}@windeskos.com`;
            
            // Load user-specific data
            loadUserData();
        }
// Update time
        function updateTime() {
            const now = new Date();
            document.getElementById('time').textContent = now.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit'});
        }
        setInterval(updateTime, 1000);
        updateTime();
        
        // User menu functions
        function showUserMenu() {
            const menu = document.getElementById('user-menu');
            const isVisible = !menu.classList.contains('hidden');
            
            if (isVisible) {
                menu.classList.add('hidden');
                menu.classList.remove('scale-100', 'opacity-100');
                menu.classList.add('scale-95', 'opacity-0');
                menu.style.pointerEvents = 'none';
            } else {
                menu.classList.remove('hidden');
                setTimeout(() => {
                    menu.classList.remove('scale-95', 'opacity-0');
                    menu.classList.add('scale-100', 'opacity-100');
                    menu.style.pointerEvents = 'auto';
                }, 10);
            }
        }
        
        function logout() {
            // Save user data before logout
            saveUserData();
            
            // Clear current session
            localStorage.removeItem('currentUser');
            
            // Redirect to login
            window.location.href = 'login.html';
        }
        
        function lockSession() {
            saveUserData();
            window.location.href = 'login.html?locked=true';
        }
        
        function showUserSettings() {
            alert('User settings would open here');
        }
        
        // User data management
        function saveUserData() {
            if (!currentUser) return;
            
            const userData = {
                desktopIconPositions: JSON.parse(localStorage.getItem('desktopIconPositions') || '{}'),
                openWindows: windows.map(windowId => {
                    const window = document.getElementById(windowId);
                    if (window) {
                        return {
                            type: window.getAttribute('data-window-type'),
                            position: {
                                left: window.style.left,
                                top: window.style.top,
                                width: window.style.width,
                                height: window.style.height
                            }
                        };
                    }
                    return null;
                }).filter(Boolean),
                calculatorState: {
                    currentInput: currentInput,
                    previousInput: previousInput,
                    operation: operation,
                    shouldResetInput: shouldResetInput
                },
                lastSaved: new Date().toISOString()
            };
            
            localStorage.setItem(`userData_${currentUser.username}`, JSON.stringify(userData));
        }
        
        function loadUserData() {
            if (!currentUser) return;
            
            const userData = localStorage.getItem(`userData_${currentUser.username}`);
            if (userData) {
                const data = JSON.parse(userData);
                
                // Load desktop icon positions
                if (data.desktopIconPositions) {
                    Object.keys(data.desktopIconPositions).forEach(iconId => {
                        const icon = document.getElementById(iconId);
                        if (icon && data.desktopIconPositions[iconId]) {
                            icon.style.left = data.desktopIconPositions[iconId].left;
                            icon.style.top = data.desktopIconPositions[iconId].top;
                        }
                    });
                }
                
                // Load calculator state
                if (data.calculatorState) {
                    currentInput = data.calculatorState.currentInput || '0';
                    previousInput = data.calculatorState.previousInput || '0';
                    operation = data.calculatorState.operation || null;
                    shouldResetInput = data.calculatorState.shouldResetInput || false;
                }
                
                // Open saved windows
                if (data.openWindows && data.openWindows.length > 0) {
                    setTimeout(() => {
                        data.openWindows.forEach(windowData => {
                            const windowElement = createWindow(windowData.type);
                            if (windowElement && windowData.position) {
                                windowElement.style.left = windowData.position.left;
                                windowElement.style.top = windowData.position.top;
                                windowElement.style.width = windowData.position.width;
                                windowElement.style.height = windowData.position.height;
                            }
                        });
                    }, 500);
                }
            }
        }
        
        // Auto-save user data periodically
        setInterval(saveUserData, 30000); // Save every 30 seconds
        
        // Save data before page unload
        window.addEventListener('beforeunload', saveUserData);
// Start menu toggle
        document.getElementById('start-button').addEventListener('click', function(e) {
            e.stopPropagation();
            const menu = document.getElementById('start-menu');
            const isVisible = !menu.classList.contains('hidden');
            
            if (isVisible) {
                menu.classList.add('hidden');
                menu.classList.remove('scale-100', 'opacity-100');
                menu.classList.add('scale-95', 'opacity-0');
                menu.style.pointerEvents = 'none';
            } else {
                menu.classList.remove('hidden');
                setTimeout(() => {
                    menu.classList.remove('scale-95', 'opacity-0');
                    menu.classList.add('scale-100', 'opacity-100');
                    menu.style.pointerEvents = 'auto';
                }, 10);
            }
        });

        // Close start menu when clicking elsewhere
        document.addEventListener('click', function(e) {
            if (!e.target.closest('#start-menu') && !e.target.closest('#start-button')) {
                const menu = document.getElementById('start-menu');
                menu.classList.add('hidden');
                menu.classList.remove('scale-100', 'opacity-100');
                menu.classList.add('scale-95', 'opacity-0');
                menu.style.pointerEvents = 'none';
            }
        });

        // Context menu
        document.getElementById('desktop').addEventListener('contextmenu', function(e) {
            e.preventDefault();
            const menu = document.getElementById('context-menu');
            menu.style.left = e.pageX + 'px';
            menu.style.top = e.pageY + 'px';
            menu.classList.remove('hidden');
        });

        document.addEventListener('click', function() {
            document.getElementById('context-menu').classList.add('hidden');
        });
        // Desktop icon dragging functionality
        function setupIconDragging() {
            const desktopIcons = document.querySelectorAll('.desktop-icon');
            let dragTimeout = null;
            let lastClickTime = 0;
            
            desktopIcons.forEach(icon => {
                let isDragging = false;
                let startX, startY, startLeft, startTop;
                let clickCount = 0;

                icon.addEventListener('mousedown', function(e) {
                    if (e.button !== 0) return; // Only left click
                    
                    // Start drag after short delay to distinguish from click
                    dragTimeout = setTimeout(() => {
                        isDragging = true;
                        startX = e.clientX;
                        startY = e.clientY;
                        
                        const computedStyle = window.getComputedStyle(icon);
                        startLeft = parseInt(computedStyle.left) || 0;
                        startTop = parseInt(computedStyle.top) || 0;
                        
                        icon.classList.add('dragging');
                        icon.style.zIndex = '9999';
                        
                        e.preventDefault();
                    }, 150); // Reduced delay for faster response
                });

                document.addEventListener('mousemove', function(e) {
                    if (!isDragging) return;
                    
                    clearTimeout(dragTimeout);
                    const dx = e.clientX - startX;
                    const dy = e.clientY - startY;
                    
                    icon.style.left = (startLeft + dx) + 'px';
                    icon.style.top = (startTop + dy) + 'px';
                });

                document.addEventListener('mouseup', function() {
                    clearTimeout(dragTimeout);
                    if (isDragging) {
                        isDragging = false;
                        icon.classList.remove('dragging');
                        icon.style.zIndex = '';
                        
                        // Save position to localStorage
                        const positions = JSON.parse(localStorage.getItem('desktopIconPositions') || '{}');
                        positions[icon.id] = {
                            left: icon.style.left,
                            top: icon.style.top
                        };
                        localStorage.setItem('desktopIconPositions', JSON.stringify(positions));
                    }
                });

                // Double click to open app
                icon.addEventListener('click', function(e) {
                    clearTimeout(dragTimeout);
                    if (isDragging) return;
                    
                    const currentTime = new Date().getTime();
                    const timeDiff = currentTime - lastClickTime;
                    
                    if (timeDiff < 300 && timeDiff > 0) { // Double click within 300ms
                        const appType = icon.getAttribute('data-app');
                        openWindow(appType);
                        lastClickTime = 0;
                    } else {
                        lastClickTime = currentTime;
                    }
                });
            });
        }
// Load saved icon positions
        function loadIconPositions() {
            const positions = JSON.parse(localStorage.getItem('desktopIconPositions') || '{}');
            Object.keys(positions).forEach(iconId => {
                const icon = document.getElementById(iconId);
                if (icon && positions[iconId]) {
                    icon.style.left = positions[iconId].left;
                    icon.style.top = positions[iconId].top;
                }
            });
        }

        // Window management
        function openWindow(type) {
            const windowElement = createWindow(type);
        }
        
        function createWindow(type) {
            const windowId = 'window-' + Date.now();
            const windowContent = getWindowContent(type);
            
            const windowElement = document.createElement('div');
            windowElement.id = windowId;
            windowElement.setAttribute('data-window-type', type);
            windowElement.className = 'window bg-gray-800 bg-opacity-95 rounded-lg absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-96 h-64 pointer-events-auto';
            windowElement.style.zIndex = zIndexCounter++;
            windowElement.innerHTML = `
                <div class="flex items-center justify-between p-3 bg-gray-900 rounded-t-lg cursor-move border-b border-gray-700">
                    <div class="flex items-center space-x-2">
                        <i data-feather="${windowContent.icon}" class="w-4 h-4 ${windowContent.iconColor}"></i>
                        <span>${windowContent.title}</span>
                    </div>
                    <div class="flex space-x-1">
                        <button class="w-6 h-6 rounded hover:bg-gray-700 flex items-center justify-center">–</button>
                        <button class="w-6 h-6 rounded hover:bg-gray-700 flex items-center justify-center">□</button>
                        <button class="w-6 h-6 rounded hover:bg-red-600 flex items-center justify-center" onclick="closeWindow('${windowId}')">×</button>
                    </div>
                </div>
                <div class="p-4 h-[calc(100%-3rem)]">
                    ${windowContent.content}
                </div>
            `;
            
            document.getElementById('windows-container').appendChild(windowElement);
            feather.replace();
            
            // Make window draggable
            makeDraggable(windowElement);
            
            windows.push(windowId);
            return windowElement;
        }
function closeWindow(id) {
            const window = document.getElementById(id);
            if (window) {
                window.remove();
                windows = windows.filter(winId => winId !== id);
            }
        }
        function makeDraggable(element) {
            const header = element.querySelector('.bg-gray-900');
            let isDragging = false;
            let isResizing = false;
            let resizeDirection = '';
            let startX, startY, startLeft, startTop, startWidth, startHeight;

            // Add resize handles
            const resizeHandles = ['n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'];
            resizeHandles.forEach(dir => {
                const handle = document.createElement('div');
                handle.className = `resize-handle resize-${dir}`;
                handle.style.cssText = `
                    position: absolute;
                    background: transparent;
                    z-index: 10;
                `;
                
                // Position and size based on direction
                switch(dir) {
                    case 'n': handle.style.top = '0'; handle.style.left = '10px'; handle.style.right = '10px'; handle.style.height = '4px'; handle.style.cursor = 'ns-resize'; break;
                    case 'ne': handle.style.top = '0'; handle.style.right = '0'; handle.style.width = '6px'; handle.style.height = '6px'; handle.style.cursor = 'nesw-resize'; break;
                    case 'e': handle.style.top = '10px'; handle.style.right = '0'; handle.style.width = '4px'; handle.style.bottom = '10px'; handle.style.cursor = 'ew-resize'; break;
                    case 'se': handle.style.bottom = '0'; handle.style.right = '0'; handle.style.width = '6px'; handle.style.height = '6px'; handle.style.cursor = 'nwse-resize'; break;
                    case 's': handle.style.bottom = '0'; handle.style.left = '10px'; handle.style.right = '10px'; handle.style.height = '4px'; handle.style.cursor = 'ns-resize'; break;
                    case 'sw': handle.style.bottom = '0'; handle.style.left = '0'; handle.style.width = '6px'; handle.style.height = '6px'; handle.style.cursor = 'nesw-resize'; break;
                    case 'w': handle.style.top = '10px'; handle.style.left = '0'; handle.style.width = '4px'; handle.style.bottom = '10px'; handle.style.cursor = 'ew-resize'; break;
                    case 'nw': handle.style.top = '0'; handle.style.left = '0'; handle.style.width = '6px'; handle.style.height = '6px'; handle.style.cursor = 'nwse-resize'; break;
                }
                
                handle.addEventListener('mousedown', function(e) {
                    e.stopPropagation();
                    isResizing = true;
                    resizeDirection = dir;
                    startX = e.clientX;
                    startY = e.clientY;
                    startWidth = element.offsetWidth;
                    startHeight = element.offsetHeight;
                    startLeft = parseInt(element.style.left) || (window.innerWidth/2 - startWidth/2);
                    startTop = parseInt(element.style.top) || (window.innerHeight/2 - startHeight/2);
                    
                    // Bring to front
                    element.style.zIndex = zIndexCounter++;
                });
                
                element.appendChild(handle);
            });

            header.addEventListener('mousedown', function(e) {
                isDragging = true;
                startX = e.clientX;
                startY = e.clientY;
                
                // Get current position from computed style
                const computedStyle = window.getComputedStyle(element);
                startLeft = parseInt(computedStyle.left) || (window.innerWidth/2 - element.offsetWidth/2);
                startTop = parseInt(computedStyle.top) || (window.innerHeight/2 - element.offsetHeight/2);
                
                // Bring to front
                element.style.zIndex = zIndexCounter++;
                element.style.left = startLeft + 'px';
                element.style.top = startTop + 'px';
            });

            document.addEventListener('mousemove', function(e) {
                if (isDragging) {
                    const dx = e.clientX - startX;
                    const dy = e.clientY - startY;
                    
                    element.style.left = (startLeft + dx) + 'px';
                    element.style.top = (startTop + dy) + 'px';
                }
                
                if (isResizing) {
                    const dx = e.clientX - startX;
                    const dy = e.clientY - startY;
                    let newWidth = startWidth;
                    let newHeight = startHeight;
                    let newLeft = startLeft;
                    let newTop = startTop;

                    switch(resizeDirection) {
                        case 'e':
                            newWidth = Math.max(200, startWidth + dx);
                            break;
                        case 'w':
                            newWidth = Math.max(200, startWidth - dx);
                            newLeft = startLeft + dx;
                            break;
                        case 's':
                            newHeight = Math.max(150, startHeight + dy);
                            break;
                        case 'n':
                            newHeight = Math.max(150, startHeight - dy);
                            newTop = startTop + dy;
                            break;
                        case 'se':
                            newWidth = Math.max(200, startWidth + dx);
                            newHeight = Math.max(150, startHeight + dy);
                            break;
                        case 'sw':
                            newWidth = Math.max(200, startWidth - dx);
                            newHeight = Math.max(150, startHeight + dy);
                            newLeft = startLeft + dx;
                            break;
                        case 'ne':
                            newWidth = Math.max(200, startWidth + dx);
                            newHeight = Math.max(150, startHeight - dy);
                            newTop = startTop + dy;
                            break;
                        case 'nw':
                            newWidth = Math.max(200, startWidth - dx);
                            newHeight = Math.max(150, startHeight - dy);
                            newLeft = startLeft + dx;
                            newTop = startTop + dy;
                            break;
                    }

                    element.style.width = newWidth + 'px';
                    element.style.height = newHeight + 'px';
                    element.style.left = newLeft + 'px';
                    element.style.top = newTop + 'px';
                }
            });

            document.addEventListener('mouseup', function() {
                isDragging = false;
                isResizing = false;
            });
        }
        function getWindowContent(type) {
            const contents = {
                'browser': {
                    icon: 'globe',
                    iconColor: 'text-blue-400',
                    title: 'Browser',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">Browser content would go here</p></div>'
                },
                'explorer': {
                    icon: 'folder',
                    iconColor: 'text-yellow-400',
                    title: 'File Explorer',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">File Explorer content would go here</p></div>'
                },
                'settings': {
                    icon: 'settings',
                    iconColor: 'text-gray-400',
                    title: 'Settings',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">Settings content would go here</p></div>'
                },
                'notepad': {
                    icon: 'edit',
                    iconColor: 'text-green-400',
                    title: 'Notepad',
                    content: '<textarea class="w-full h-full bg-gray-700 text-white p-2 rounded resize-none" placeholder="Start typing..."></textarea>'
                },
                'calculator': {
                    icon: 'calculator',
                    iconColor: 'text-purple-400',
                    title: 'Calculator',
                    content: document.getElementById('calculator-template').innerHTML
                },
                'weather': {
                    icon: 'cloud',
                    iconColor: 'text-blue-400',
                    title: 'Weather',
                    content: document.getElementById('weather-template').innerHTML
                },
                'calendar': {
                    icon: 'calendar',
                    iconColor: 'text-red-400',
                    title: 'Calendar',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">Calendar content would go here</p></div>'
                },
                'documents': {
                    icon: 'folder',
                    iconColor: 'text-yellow-400',
                    title: 'Documents',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">Documents folder content</p></div>'
                },
                'pictures': {
                    icon: 'image',
                    iconColor: 'text-green-400',
                    title: 'Pictures',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">Pictures folder content</p></div>'
                },
                'recycle-bin': {
                    icon: 'trash-2',
                    iconColor: 'text-blue-400',
                    title: 'Recycle Bin',
                    content: '<div class="h-full flex items-center justify-center"><p class="text-gray-400">Recycle Bin is empty</p></div>'
                }
            };
            
            return contents[type] || contents['browser'];
        }
        // Calculator functionality
        let currentInput = '0';
        let previousInput = '0';
        let operation = null;
        let shouldResetInput = false;

        function calcInput(value) {
            if (currentInput === '0' || shouldResetInput) {
                currentInput = value;
                shouldResetInput = false;
            } else {
                currentInput += value;
            }
            updateCalcDisplay();
        }

        function calcOperation(op) {
            if (operation !== null) calcCalculate();
            previousInput = currentInput;
            operation = op;
            shouldResetInput = true;
        }

        function calcCalculate() {
            let result;
            const prev = parseFloat(previousInput);
            const current = parseFloat(currentInput);
            
            if (isNaN(prev) || isNaN(current)) return;
            
            switch(operation) {
                case '+': result = prev + current; break;
                case '-': result = prev - current; break;
                case '*': result = prev * current; break;
                case '/': result = prev / current; break;
                case '%': result = prev % current; break;
                default: return;
            }
            
            currentInput = result.toString();
            operation = null;
            shouldResetInput = true;
            updateCalcDisplay();
        }

        function calcClear() {
            currentInput = '0';
            previousInput = '0';
            operation = null;
            shouldResetInput = false;
            updateCalcDisplay();
        }

        function calcBackspace() {
            currentInput = currentInput.slice(0, -1);
            if (currentInput === '') currentInput = '0';
            updateCalcDisplay();
        }

        function updateCalcDisplay() {
            const display = document.getElementById('calc-display');
            if (display) display.textContent = currentInput;
        }

        // Weather functionality
        async function fetchWeather() {
            try {
                const response = await fetch('https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&current=temperature_2m,weather_code');
                const data = await response.json();
                
                const tempElement = document.getElementById('weather-temp');
                const descElement = document.getElementById('weather-desc');
                const locationElement = document.getElementById('weather-location');
                
                if (tempElement) tempElement.textContent = `${data.current.temperature_2m}°C`;
                if (descElement) descElement.textContent = getWeatherDescription(data.current.weather_code);
                if (locationElement) locationElement.textContent = 'Berlin, Germany';
                
            } catch (error) {
                console.error('Error fetching weather:', error);
            }
        }

        function getWeatherDescription(code) {
            const weatherCodes = {
                0: 'Clear sky',
                1: 'Mainly clear',
                2: 'Partly cloudy',
                3: 'Overcast',
                45: 'Fog',
                48: 'Depositing rime fog',
                51: 'Light drizzle',
                53: 'Moderate drizzle',
                55: 'Dense drizzle',
                61: 'Slight rain',
                63: 'Moderate rain',
                65: 'Heavy rain',
                80: 'Slight rain showers',
                81: 'Moderate rain showers',
                82: 'Violent rain showers'
            };
            return weatherCodes[code] || 'Unknown weather';
        }

        // System tray functionality
        function toggleVolume() {
            alert('Volume control would open here');
        }

        function toggleWiFiMenu() {
            alert('Wi-Fi settings would open here');
        }

        function toggleBatteryInfo() {
            alert('Battery information would show here');
        }

        function showNotificationCenter() {
            const center = document.getElementById('notification-center');
            center.classList.remove('hidden');
            setTimeout(() => {
                center.classList.remove('scale-95', 'opacity-0');
                center.classList.add('scale-100', 'opacity-100');
                center.style.pointerEvents = 'auto';
            }, 10);
        }

        function hideNotificationCenter() {
            const center = document.getElementById('notification-center');
            center.classList.add('hidden');
            center.classList.remove('scale-100', 'opacity-100');
            center.classList.add('scale-95', 'opacity-0');
            center.style.pointerEvents = 'none';
        }

        function toggleDarkMode() {
            document.body.classList.toggle('bg-gray-900');
            document.body.classList.toggle('bg-gray-100');
            document.body.classList.toggle('text-white');
            document.body.classList.toggle('text-gray-900');
        }

        function toggleWiFi() {
            const wifiIcon = document.getElementById('wifi-icon');
            const isConnected = wifiIcon.getAttribute('data-feather') === 'wifi';
            feather.replace({
                'wifi-icon': isConnected ? 'wifi-off' : 'wifi'
            });
        }

        // Initialize feather icons and handle drag prevention
        feather.replace();
        
        // Prevent drag on icons
        document.querySelectorAll('.desktop-icon i, .taskbar-item i').forEach(icon => {
            icon.addEventListener('mousedown', function(e) {
                e.stopPropagation();
            });
        });

        // Setup icon dragging and load positions
        setupIconDragging();
        loadIconPositions();
        // Initial weather fetch
        setTimeout(fetchWeather, 1000);
        
        // Initialize authentication check
        checkAuthentication();
</script>
</body>
</html>