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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>FlowPomo | Focus Timer</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
    <script src="https://www.gstatic.com/firebasejs/8.10.0/firebase-app.js"></script>
    <script src="https://www.gstatic.com/firebasejs/8.10.0/firebase-auth.js"></script>
    <script src="https://www.gstatic.com/firebasejs/8.10.0/firebase-firestore.js"></script>
    <script src="https://js.stripe.com/v3/"></script>
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    <style>
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        .pulse-animation {
            animation: pulse 2s infinite;
        }
        .glassmorphism {
            background: rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
        }
        .neumorphism {
            border-radius: 16px;
            background: #f0f0f0;
            box-shadow:  8px 8px 16px #d9d9d9, -8px -8px 16px #ffffff;
        }
        .timer-circle {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            position: relative;
            overflow: hidden;
        }
        .timer-progress {
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: conic-gradient(#7c3aed var(--progress), #e9d5ff var(--progress));
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .tab-active {
            border-bottom: 3px solid #7c3aed;
            color: #7c3aed;
            font-weight: 600;
        }
        .fade-in {
            animation: fadeIn 0.5s ease-in;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        .gradient-bg {
            background: linear-gradient(135deg, #e0f2fe 0%, #fae8ff 50%, #f0fdf4 100%);
        }
    </style>
</head>
<body class="font-['Inter'] min-h-screen gradient-bg">
    <!-- Firebase Config -->
    <script>
        const firebaseConfig = {
            apiKey: "AIzaSyDEXAMPLEEXAMPLEEXAMPLE",
            authDomain: "flowpomo-example.firebaseapp.com",
            projectId: "flowpomo-example",
            storageBucket: "flowpomo-example.appspot.com",
            messagingSenderId: "123456789012",
            appId: "1:123456789012:web:abcdef1234567890"
        };
        firebase.initializeApp(firebaseConfig);
        const auth = firebase.auth();
        const db = firebase.firestore();
        const stripe = Stripe('pk_test_51EXAMPLEEXAMPLEEXAMPLE');
    </script>

    <!-- Auth Modal -->
    <div id="authModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
        <div class="glassmorphism rounded-xl p-8 w-full max-w-md">
            <div class="flex justify-between items-center mb-6">
                <h2 class="text-2xl font-semibold text-gray-800">Welcome to FlowPomo</h2>
                <button onclick="closeAuthModal()" class="text-gray-500 hover:text-gray-700">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                    </svg>
                </button>
            </div>
            
            <div id="authTabs" class="flex border-b mb-6">
                <button onclick="switchAuthTab('login')" class="flex-1 py-2 font-medium text-center tab-active" id="loginTab">Login</button>
                <button onclick="switchAuthTab('signup')" class="flex-1 py-2 font-medium text-center text-gray-500" id="signupTab">Sign Up</button>
            </div>
            
            <div id="loginForm">
                <div class="mb-4">
                    <label class="block text-gray-700 mb-2">Email</label>
                    <input type="email" id="loginEmail" class="w-full px-4 py-2 rounded-lg border focus:outline-none focus:ring-2 focus:ring-purple-500">
                </div>
                <div class="mb-6">
                    <label class="block text-gray-700 mb-2">Password</label>
                    <input type="password" id="loginPassword" class="w-full px-4 py-2 rounded-lg border focus:outline-none focus:ring-2 focus:ring-purple-500">
                </div>
                <button onclick="loginWithEmail()" class="w-full bg-purple-600 text-white py-2 rounded-lg hover:bg-purple-700 transition mb-4">Login</button>
                <div class="text-center mb-4 text-gray-500">or</div>
                <button onclick="loginWithGoogle()" class="w-full flex items-center justify-center gap-2 bg-white text-gray-700 py-2 rounded-lg border hover:bg-gray-50 transition">
                    <img src="https://upload.wikimedia.org/wikipedia/commons/5/53/Google_%22G%22_Logo.svg" alt="Google" class="h-5">
                    Continue with Google
                </button>
            </div>
            
            <div id="signupForm" class="hidden">
                <div class="mb-4">
                    <label class="block text-gray-700 mb-2">Email</label>
                    <input type="email" id="signupEmail" class="w-full px-4 py-2 rounded-lg border focus:outline-none focus:ring-2 focus:ring-purple-500">
                </div>
                <div class="mb-4">
                    <label class="block text-gray-700 mb-2">Password</label>
                    <input type="password" id="signupPassword" class="w-full px-4 py-2 rounded-lg border focus:outline-none focus:ring-2 focus:ring-purple-500">
                </div>
                <div class="mb-6">
                    <label class="block text-gray-700 mb-2">Confirm Password</label>
                    <input type="password" id="signupConfirmPassword" class="w-full px-4 py-2 rounded-lg border focus:outline-none focus:ring-2 focus:ring-purple-500">
                </div>
                <button onclick="signUpWithEmail()" class="w-full bg-purple-600 text-white py-2 rounded-lg hover:bg-purple-700 transition">Create Account</button>
            </div>
            
            <div id="authMessage" class="mt-4 text-center text-sm hidden"></div>
        </div>
    </div>

    <!-- Premium Modal -->
    <div id="premiumModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
        <div class="glassmorphism rounded-xl p-8 w-full max-w-md">
            <div class="flex justify-between items-center mb-6">
                <h2 class="text-2xl font-semibold text-gray-800">Upgrade to Premium</h2>
                <button onclick="closePremiumModal()" class="text-gray-500 hover:text-gray-700">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                    </svg>
                </button>
            </div>
            
            <div class="mb-6">
                <div class="neumorphism p-6 rounded-xl mb-4">
                    <h3 class="text-xl font-semibold text-purple-700 mb-2">Pro Plan</h3>
                    <p class="text-gray-600 mb-4">$4.99/month or $49.99/year (save 15%)</p>
                    <ul class="space-y-2 text-gray-700">
                        <li class="flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-green-500 mr-2" viewBox="0 0 20 20" fill="currentColor">
                                <path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd" />
                            </svg>
                            Premium soundscapes
                        </li>
                        <li class="flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-green-500 mr-2" viewBox="0 0 20 20" fill="currentColor">
                                <path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd" />
                            </svg>
                            Advanced analytics
                        </li>
                        <li class="flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-green-500 mr-2" viewBox="0 0 20 20" fill="currentColor">
                                <path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd" />
                            </svg>
                            Task templates & scheduling
                        </li>
                        <li class="flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-green-500 mr-2" viewBox="0 0 20 20" fill="currentColor">
                                <path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd" />
                            </svg>
                            Daily challenges & badges
                        </li>
                    </ul>
                </div>
            </div>
            
            <button onclick="subscribePremium()" class="w-full bg-purple-600 text-white py-3 rounded-lg hover:bg-purple-700 transition font-medium mb-4">
                Upgrade Now
            </button>
            
            <p class="text-center text-sm text-gray-500">7-day free trial. Cancel anytime.</p>
        </div>
    </div>

    <!-- Soundscapes Modal -->
    <div id="soundModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
        <div class="glassmorphism rounded-xl p-6 w-full max-w-md">
            <div class="flex justify-between items-center mb-6">
                <h2 class="text-2xl font-semibold text-gray-800">Soundscapes</h2>
                <button onclick="closeSoundModal()" class="text-gray-500 hover:text-gray-700">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                    </svg>
                </button>
            </div>
            
            <div class="grid grid-cols-2 gap-4 mb-6">
                <div class="neumorphism p-4 rounded-xl cursor-pointer hover:bg-purple-50 transition">
                    <div class="flex items-center">
                        <div class="bg-blue-100 p-2 rounded-lg mr-3">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-blue-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 15a4 4 0 004 4h9a5 5 0 10-.1-9.999 5.002 5.002 0 10-9.78 2.096A4.001 4.001 0 003 15z" />
                            </svg>
                        </div>
                        <div>
                            <h3 class="font-medium">Rain</h3>
                            <p class="text-xs text-gray-500">Free</p>
                        </div>
                    </div>
                </div>
                
                <div class="neumorphism p-4 rounded-xl cursor-pointer hover:bg-purple-50 transition">
                    <div class="flex items-center">
                        <div class="bg-green-100 p-2 rounded-lg mr-3">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-green-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 21a4 4 0 01-4-4V5a2 2 0 012-2h4a2 2 0 012 2v12a4 4 0 01-4 4zm0 0h12a2 2 0 002-2v-4a2 2 0 00-2-2h-2.343M11 7.343l1.657-1.657a2 2 0 012.828 0l2.829 2.829a2 2 0 010 2.828l-8.486 8.485M7 17h.01" />
                            </svg>
                        </div>
                        <div>
                            <h3 class="font-medium">Forest</h3>
                            <p class="text-xs text-gray-500">Premium</p>
                        </div>
                    </div>
                </div>
                
                <div class="neumorphism p-4 rounded-xl cursor-pointer hover:bg-purple-50 transition">
                    <div class="flex items-center">
                        <div class="bg-yellow-100 p-2 rounded-lg mr-3">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-yellow-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z" />
                            </svg>
                        </div>
                        <div>
                            <h3 class="font-medium">Café</h3>
                            <p class="text-xs text-gray-500">Premium</p>
                        </div>
                    </div>
                </div>
                
                <div class="neumorphism p-4 rounded-xl cursor-pointer hover:bg-purple-50 transition">
                    <div class="flex items-center">
                        <div class="bg-purple-100 p-2 rounded-lg mr-3">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-purple-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19V6l12-3v13M9 19c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zm12-3c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zM9 10l12-3" />
                            </svg>
                        </div>
                        <div>
                            <h3 class="font-medium">White Noise</h3>
                            <p class="text-xs text-gray-500">Free</p>
                        </div>
                    </div>
                </div>
            </div>
            
            <div class="flex items-center justify-between">
                <div class="flex-1 mr-2">
                    <input type="range" min="0" max="100" value="50" class="w-full h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer">
                </div>
                <div class="w-10 text-center">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-gray-500" viewBox="0 0 20 20" fill="currentColor">
                        <path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM14.657 2.929a1 1 0 011.414 0A9.972 9.972 0 0119 10a9.972 9.972 0 01-2.929 7.071 1 1 0 01-1.414-1.414A7.971 7.971 0 0017 10c0-2.21-.894-4.208-2.343-5.657a1 1 0 010-1.414zm-2.829 2.828a1 1 0 011.415 0A5.983 5.983 0 0115 10a5.984 5.984 0 01-1.757 4.243 1 1 0 01-1.415-1.415A3.984 3.984 0 0013 10a3.983 3.983 0 00-1.172-2.828 1 1 0 010-1.415z" clip-rule="evenodd" />
                    </svg>
                </div>
            </div>
        </div>
    </div>

    <!-- Settings Modal -->
    <div id="settingsModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
        <div class="glassmorphism rounded-xl p-6 w-full max-w-md">
            <div class="flex justify-between items-center mb-6">
                <h2 class="text-2xl font-semibold text-gray-800">Settings</h2>
                <button onclick="closeSettingsModal()" class="text-gray-500 hover:text-gray-700">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                    </svg>
                </button>
            </div>
            
            <div class="space-y-4">
                <div>
                    <h3 class="font-medium text-gray-700 mb-2">Timer Settings</h3>
                    <div class="space-y-3">
                        <div class="flex items-center justify-between">
                            <label class="text-gray-600">Focus Duration</label>
                            <select id="focusDuration" class="px-3 py-1 border rounded-lg">
                                <option value="15">15 min</option>
                                <option value="25" selected>25 min</option>
                                <option value="30">30 min</option>
                                <option value="45">45 min</option>
                                <option value="60">60 min</option>
                            </select>
                        </div>
                        <div class="flex items-center justify-between">
                            <label class="text-gray-600">Short Break</label>
                            <select id="shortBreakDuration" class="px-3 py-1 border rounded-lg">
                                <option value="3">3 min</option>
                                <option value="5" selected>5 min</option>
                                <option value="10">10 min</option>
                            </select>
                        </div>
                        <div class="flex items-center justify-between">
                            <label class="text-gray-600">Long Break</label>
                            <select id="longBreakDuration" class="px-3 py-1 border rounded-lg">
                                <option value="15">15 min</option>
                                <option value="20">20 min</option>
                                <option value="25">25 min</option>
                                <option value="30" selected>30 min</option>
                            </select>
                        </div>
                        <div class="flex items-center justify-between">
                            <label class="text-gray-600">Long Break Interval</label>
                            <select id="longBreakInterval" class="px-3 py-1 border rounded-lg">
                                <option value="2">2</option>
                                <option value="3">3</option>
                                <option value="4" selected>4</option>
                            </select>
                        </div>
                    </div>
                </div>
                
                <div class="pt-4 border-t">
                    <h3 class="font-medium text-gray-700 mb-2">Notifications</h3>
                    <div class="flex items-center justify-between">
                        <label class="text-gray-600">Timer Alerts</label>
                        <label class="relative inline-flex items-center cursor-pointer">
                            <input type="checkbox" checked class="sr-only peer">
                            <div class="w-11 h-6 bg-gray-200 peer-focus:outline-none peer-focus:ring-4 peer-focus:ring-purple-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                        </label>
                    </div>
                    <div class="flex items-center justify-between mt-2">
                        <label class="text-gray-600">Task Reminders</label>
                        <label class="relative inline-flex items-center cursor-pointer">
                            <input type="checkbox" class="sr-only peer">
                            <div class="w-11 h-6 bg-gray-200 peer-focus:outline-none peer-focus:ring-4 peer-focus:ring-purple-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                        </label>
                    </div>
                </div>
                
                <div class="pt-4 border-t">
                    <h3 class="font-medium text-gray-700 mb-2">Appearance</h3>
                    <div class="flex items-center justify-between">
                        <label class="text-gray-600">Dark Mode</label>
                        <label class="relative inline-flex items-center cursor-pointer">
                            <input type="checkbox" class="sr-only peer">
                            <div class="w-11 h-6 bg-gray-200 peer-focus:outline-none peer-focus:ring-4 peer-focus:ring-purple-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                        </label>
                    </div>
                </div>
            </div>
            
            <button onclick="saveSettings()" class="w-full mt-6 bg-purple-600 text-white py-2 rounded-lg hover:bg-purple-700 transition">Save Settings</button>
        </div>
    </div>

    <!-- Main App Container -->
    <div class="container mx-auto px-4 py-6">
        <!-- Header -->
        <header class="flex justify-between items-center mb-8">
            <div class="flex items-center">
                <div class="w-10 h-10 rounded-full bg-purple-600 flex items-center justify-center mr-3">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
                    </svg>
                </div>
                <h1 class="text-2xl font-bold text-gray-800">FlowPomo</h1>
            </div>
            
            <div class="flex items-center space-x-3">
                <button id="soundBtn" onclick="openSoundModal()" class="p-2 rounded-full hover:bg-purple-100 transition">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-gray-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.536 8.464a5 5 0 010 7.072m2.828-9.9a9 9 0 010 12.728M5.586 15H4a1 1 0 01-1-1v-4a1 1 0 011-1h1.586l4.707-4.707C10.923 3.663 12 4.109 12 5v14c0 .891-1.077 1.337-1.707.707L5.586 15z" />
                    </svg>
                </button>
                <button onclick="openSettingsModal()" class="p-2 rounded-full hover:bg-purple-100 transition">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-gray-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
                    </svg>
                </button>
                <button id="authBtn" onclick="openAuthModal()" class="px-4 py-2 rounded-lg bg-purple-600 text-white hover:bg-purple-700 transition">
                    Sign In
                </button>
                <div id="userAvatar" class="hidden">
                    <img id="userPhoto" class="w-10 h-10 rounded-full cursor-pointer" src="" alt="User">
                </div>
            </div>
        </header>
        
        <!-- Main Content -->
        <main class="grid grid-cols-1 lg:grid-cols-3 gap-8">
            <!-- Timer Section -->
            <div class="lg:col-span-2">
                <div class="glassmorphism rounded-2xl p-8">
                    <!-- Timer Tabs -->
                    <div class="flex justify-center mb-8">
                        <div class="flex space-x-1 bg-purple-50 p-1 rounded-xl">
                            <button id="pomoTab" onclick="switchTimerTab('pomo')" class="px-4 py-2 rounded-lg bg-purple-600 text-white">Pomodoro</button>
                            <button id="shortBreakTab" onclick="switchTimerTab('shortBreak')" class="px-4 py-2 rounded-lg text-purple-600 hover:bg-purple-100 transition">Short Break</button>
                            <button id="longBreakTab" onclick="switchTimerTab('longBreak')" class="px-4 py-2 rounded-lg text-purple-600 hover:bg-purple-100 transition">Long Break</button>
                        </div>
                    </div>
                    
                    <!-- Timer Display -->
                    <div class="flex flex-col items-center">
                        <div class="timer-circle mb-8">
                            <div id="timerProgress" class="timer-progress" style="--progress: 0%">
                                <div class="absolute inset-4 bg-white rounded-full flex items-center justify-center">
                                    <div id="timerDisplay" class="text-5xl font-bold text-gray-800">25:00</div>
                                </div>
                            </div>
                        </div>
                        
                        <div class="flex space-x-4">
                            <button id="startBtn" onclick="startTimer()" class="px-6 py-3 bg-purple-600 text-white rounded-lg hover:bg-purple-700 transition font-medium flex items-center pulse-animation">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" />
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                                </svg>
                                Start
                            </button>
                            <button id="pauseBtn" onclick="pauseTimer()" class="px-6 py-3 bg-white text-gray-700 border rounded-lg hover:bg-gray-50 transition font-medium hidden">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 9v6m4-6v6m7-3a9 9 0 11-18 0 9 9 0 0118 0z" />
                                </svg>
                                Pause
                            </button>
                            <button id="resetBtn" onclick="resetTimer()" class="px-6 py-3 bg-white text-gray-700 border rounded-lg hover:bg-gray-50 transition font-medium hidden">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
                                </svg>
                                Reset
                            </button>
                        </div>
                    </div>
                    
                    <!-- Task Input -->
                    <div class="mt-8">
                        <h3 class="text-lg font-medium text-gray-700 mb-3">Current Task</h3>
                        <div class="flex">
                            <input id="taskInput" type="text" placeholder="What are you working on?" class="flex-1 px-4 py-2 rounded-l-lg border focus:outline-none focus:ring-2 focus:ring-purple-500">
                            <button onclick="addTask()" class="px-4 py-2 bg-purple-600 text-white rounded-r-lg hover:bg-purple-700 transition">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
                                </svg>
                            </button>
                        </div>
                        <div id="currentTask" class="mt-3 flex items-center justify-between bg-white p-3 rounded-lg border hidden">
                            <div class="flex items-center">
                                <div class="w-4 h-4 rounded-full border-2 border-purple-500 mr-3"></div>
                                <span id="taskText" class="text-gray-700">Complete project presentation</span>
                            </div>
                            <button onclick="completeTask()" class="text-purple-600 hover:text-purple-800">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
                                </svg>
                            </button>
                        </div>
                    </div>
                </div>
                
                <!-- Tasks List -->
                <div class="mt-6 glassmorphism rounded-2xl p-6">
                    <div class="flex justify-between items-center mb-4">
                        <h2 class="text-xl font-semibold text-gray-800">Tasks</h2>
                        <button id="premiumTasksBtn" onclick="openPremiumModal()" class="text-xs bg-gradient-to-r from-purple-500 to-pink-500 text-white px-3 py-1 rounded-full flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-3 w-3 mr-1" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v13m8-8v8m-4-5v5M4 16v6M4 11v5m0 0v5m0-5v5m0 0v5" />
                            </svg>
                            PRO
                        </button>
                    </div>
                    
                    <div id="tasksList" class="space-y-2">
                        <div class="flex items-center justify-between bg-white p-3 rounded-lg border">
                            <div class="flex items-center">
                                <div class="w-4 h-4 rounded-full border-2 border-gray-300 mr-3"></div>
                                <span class="text-gray-700">Write blog post</span>
                            </div>
                            <button class="text-gray-400 hover:text-gray-600">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                </svg>
                            </button>
                        </div>
                        <div class="flex items-center justify-between bg-white p-3 rounded-lg border">
                            <div class="flex items-center">
                                <div class="w-4 h-4 rounded-full border-2 border-gray-300 mr-3"></div>
                                <span class="text-gray-700">Review code</span>
                            </div>
                            <button class="text-gray-400 hover:text-gray-600">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                </svg>
                            </button>
                        </div>
                    </div>
                    
                    <div id="premiumTasks" class="mt-4 hidden">
                        <div class="flex items-center justify-between bg-white p-3 rounded-lg border border-purple-300">
                            <div class="flex items-center">
                                <div class="w-4 h-4 rounded-full border-2 border-purple-500 mr-3"></div>
                                <span class="text-gray-700">Weekly planning (template)</span>
                            </div>
                            <div class="flex items-center">
                                <span class="text-xs bg-purple-100 text-purple-800 px-2 py-1 rounded mr-2">Template</span>
                                <button class="text-gray-400 hover:text-gray-600">
                                    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                    </svg>
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Stats & Challenges Section -->
            <div>
                <!-- Stats Card -->
                <div class="glassmorphism rounded-2xl p-6 mb-6">
                    <div class="flex justify-between items-center mb-4">
                        <h2 class="text-xl font-semibold text-gray-800">Today's Stats</h2>
                        <button onclick="exportStats()" class="text-sm text-purple-600 hover:text-purple-800 flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 mr-1" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
                            </svg>
                            Export
                        </button>
                    </div>
                    
                    <div class="grid grid-cols-2 gap-4 mb-4">
                        <div class="bg-white p-3 rounded-lg text-center">
                            <div class="text-2xl font-bold text-purple-600">3</div>
                            <div class="text-xs text-gray-500">Pomodoros</div>
                        </div>
                        <div class="bg-white p-3 rounded-lg text-center">
                            <div class="text-2xl font-bold text-blue-600">75</div>
                            <div class="text-xs text-gray-500">Minutes</div>
                        </div>
                    </div>
                    
                    <div class="h-40">
                        <canvas id="dailyChart"></canvas>
                    </div>
                </div>
                
                <!-- Challenges Card -->
                <div class="glassmorphism rounded-2xl p-6">
                    <div class="flex justify-between items-center mb-4">
                        <h2 class="text-xl font-semibold text-gray-800">Daily Challenge</h2>
                        <span class="text-xs bg-purple-100 text-purple-800 px-2 py-1 rounded">Day 3/7</span>
                    </div>
                    
                    <div class="mb-4">
                        <div class="flex justify-between text-sm text-gray-600 mb-1">
                            <span>Complete 4 pomodoros</span>
                            <span>3/4</span>
                        </div>
                        <div class="w-full bg-gray-200 rounded-full h-2">
                            <div class="bg-purple-600 h-2 rounded-full" style="width: 75%"></div>
                        </div>
                    </div>
                    
                    <div class="space-y-3">
                        <div class="flex items-center">
                            <div class="w-8 h-8 rounded-full bg-purple-100 flex items-center justify-center mr-3">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-purple-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 3v4M3 5h4M6 17v4m-2-2h4m5-16l2.286 6.857L21 12l-5.714 2.143L13 21l-2.286-6.857L5 12l5.714-2.143L13 3z" />
                                </svg>
                            </div>
                            <div>
                                <h3 class="font-medium">Focus Master</h3>
                                <p class="text-xs text-gray-500">Complete 7 days of challenges</p>
                            </div>
                        </div>
                        
                        <div class="flex items-center opacity-50">
                            <div class="w-8 h-8 rounded-full bg-gray-100 flex items-center justify-center mr-3">
                                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 15v2m-6 4h12a2 2 0 002-2v-6a2 2 0 00-2-2H6a2 2 0 00-2 2v6a2 2 0 002 2zm10-10V7a4 4 0 00-8 0v4h8z" />
                                </svg>
                            </div>
                            <div>
                                <h3 class="font-medium">Early Bird</h3>
                                <p class="text-xs text-gray-500">Complete 5 morning sessions</p>
                            </div>
                        </div>
                    </div>
                    
                    <button id="premiumChallengesBtn" onclick="openPremiumModal()" class="w-full mt-6 bg-gradient-to-r from-purple-500 to-pink-500 text-white py-2 rounded-lg font-medium flex items-center justify-center">
                        <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v13m8-8v8m-4-5v5M4 16v6M4 11v5m0 0v5m0-5v5m0 0v5" />
                        </svg>
                        Unlock All Challenges
                    </button>
                </div>
            </div>
        </main>
    </div>

    <script>
        // Timer Variables
        let timer;
        let isRunning = false;
        let currentMode = 'pomo'; // 'pomo', 'shortBreak', 'longBreak'
        let secondsLeft = 25 * 60; // 25 minutes in seconds
        let pomodoroCount = 0;
        
        // Timer Settings
        let settings = {
            focusDuration: 25,
            shortBreakDuration: 5,
            longBreakDuration: 30,
            longBreakInterval: 4,
            autoStartBreaks: true,
            autoStartPomodoros: false
        };
        
        // DOM Elements
        const timerDisplay = document.getElementById('timerDisplay');
        const timerProgress = document.getElementById('timerProgress');
        const startBtn = document.getElementById('startBtn');
        const pauseBtn = document.getElementById('pauseBtn');
        const resetBtn = document.getElementById('resetBtn');
        const pomoTab = document.getElementById('pomoTab');
        const shortBreakTab = document.getElementById('shortBreakTab');
        const longBreakTab = document.getElementById('longBreakTab');
        
        // Auth Elements
        const authBtn = document.getElementById('authBtn');
        const userAvatar = document.getElementById('userAvatar');
        const userPhoto = document.getElementById('userPhoto');
        
        // Initialize the timer display
        updateTimerDisplay();
        
        // Timer Functions
        function startTimer() {
            if (!isRunning) {
                isRunning = true;
                startBtn.classList.add('hidden');
                pauseBtn.classList.remove('hidden');
                resetBtn.classList.remove('hidden');
                
                timer = setInterval(() => {
                    secondsLeft--;
                    updateTimerDisplay();
                    
                    if (secondsLeft <= 0) {
                        clearInterval(timer);
                        timerComplete();
                    }
                }, 1000);
            }
        }
        
        function pauseTimer() {
            if (isRunning) {
                isRunning = false;
                clearInterval(timer);
                startBtn.classList.remove('hidden');
                pauseBtn.classList.add('hidden');
            }
        }
        
        function resetTimer() {
            pauseTimer();
            isRunning = false;
            resetBtn.classList.add('hidden');
            startBtn.classList.remove('hidden');
            
            switch (currentMode) {
                case 'pomo':
                    secondsLeft = settings.focusDuration * 60;
                    break;
                case 'shortBreak':
                    secondsLeft = settings.shortBreakDuration * 60;
                    break;
                case 'longBreak':
                    secondsLeft = settings.longBreakDuration * 60;
                    break;
            }
            
            updateTimerDisplay();
        }
        
        function timerComplete() {
            isRunning = false;
            
            // Play sound
            const audio = new Audio('https://assets.mixkit.co/sfx/preview/mixkit-alarm-digital-clock-beep-989.mp3');
            audio.play();
            
            // Update stats
            if (currentMode === 'pomo') {
                pomodoroCount++;
                // Save to database if logged in
            }
            
            // Switch mode automatically
            if (currentMode === 'pomo') {
                if (pomodoroCount % settings.longBreakInterval === 0) {
                    switchTimerTab('longBreak');
                } else {
                    switchTimerTab('shortBreak');
                }
                
                if (settings.autoStartBreaks) {
                    startTimer();
                }
            } else {
                switchTimerTab('pomo');
                if (settings.autoStartPomodoros) {
                    startTimer();
                }
            }
        }
        
        function updateTimerDisplay() {
            const minutes = Math.floor(secondsLeft / 60);
            const seconds = secondsLeft % 60;
            timerDisplay.textContent = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
            
            // Update progress circle
            let totalSeconds;
            switch (currentMode) {
                case 'pomo':
                    totalSeconds = settings.focusDuration * 60;
                    break;
                case 'shortBreak':
                    totalSeconds = settings.shortBreakDuration * 60;
                    break;
                case 'longBreak':
                    totalSeconds = settings.longBreakDuration * 60;
                    break;
            }
            
            const progress = ((totalSeconds - secondsLeft) / totalSeconds) * 100;
            timerProgress.style.setProperty('--progress', `${progress}%`);
        }
        
        function switchTimerTab(mode) {
            currentMode = mode;
            
            // Reset timer if switching modes while not running
            if (!isRunning) {
                resetTimer();
            }
            
            // Update UI
            pomoTab.classList.remove('bg-purple-600', 'text-white');
            pomoTab.classList.add('text-purple-600', 'hover:bg-purple-100');
            shortBreakTab.classList.remove('bg-purple-600', 'text-white');
            shortBreakTab.classList.add('text-purple-600', 'hover:bg-purple-100');
            longBreakTab.classList.remove('bg-purple-600', 'text-white');
            longBreakTab.classList.add('text-purple-600', 'hover:bg-purple-100');
            
            switch (mode) {
                case 'pomo':
                    pomoTab.classList.add('bg-purple-600', 'text-white');
                    pomoTab.classList.remove('text-purple-600', 'hover:bg-purple-100');
                    secondsLeft = settings.focusDuration * 60;
                    break;
                case 'shortBreak':
                    shortBreakTab.classList.add('bg-purple-600', 'text-white');
                    shortBreakTab.classList.remove('text-purple-600', 'hover:bg-purple-100');
                    secondsLeft = settings.shortBreakDuration * 60;
                    break;
                case 'longBreak':
                    longBreakTab.classList.add('bg-purple-600', 'text-white');
                    longBreakTab.classList.remove('text-purple-600', 'hover:bg-purple-100');
                    secondsLeft = settings.longBreakDuration * 60;
                    break;
            }
            
            updateTimerDisplay();
        }
        
        // Task Functions
        function addTask() {
            const taskInput = document.getElementById('taskInput');
            const taskText = taskInput.value.trim();
            
            if (taskText) {
                document.getElementById('taskText').textContent = taskText;
                document.getElementById('currentTask').classList.remove('hidden');
                taskInput.value = '';
                
                // Add to tasks list
                const tasksList = document.getElementById('tasksList');
                const taskElement = document.createElement('div');
                taskElement.className = 'flex items-center justify-between bg-white p-3 rounded-lg border';
                taskElement.innerHTML = `
                    <div class="flex items-center">
                        <div class="w-4 h-4 rounded-full border-2 border-gray-300 mr-3"></div>
                        <span class="text-gray-700">${taskText}</span>
                    </div>
                    <button class="text-gray-400 hover:text-gray-600">
                        <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                        </svg>
                    </button>
                `;
                tasksList.prepend(taskElement);
            }
        }
        
        function completeTask() {
            document.getElementById('currentTask').classList.add('hidden');
        }
        
        // Auth Functions
        function openAuthModal() {
            document.getElementById('authModal').classList.remove('hidden');
        }
        
        function closeAuthModal() {
            document.getElementById('authModal').classList.add('hidden');
            document.getElementById('authMessage').classList.add('hidden');
        }
        
        function switchAuthTab(tab) {
            if (tab === 'login') {
                document.getElementById('loginTab').classList.add('tab-active');
                document.getElementById('loginTab').classList.remove('text-gray-500');
                document.getElementById('signupTab').classList.remove('tab-active');
                document.getElementById('signupTab').classList.add('text-gray-500');
                document.getElementById('loginForm').classList.remove('hidden');
                document.getElementById('signupForm').classList.add('hidden');
            } else {
                document.getElementById('signupTab').classList.add('tab-active');
                document.getElementById('signupTab').classList.remove('text-gray-500');
                document.getElementById('loginTab').classList.remove('tab-active');
                document.getElementById('loginTab').classList.add('text-gray-500');
                document.getElementById('signupForm').classList.remove('hidden');
                document.getElementById('loginForm').classList.add('hidden');
            }
        }
        
        function loginWithEmail() {
            const email = document.getElementById('loginEmail').value;
            const password = document.getElementById('loginPassword').value;
            
            auth.signInWithEmailAndPassword(email, password)
                .then((userCredential) => {
                    updateAuthUI(userCredential.user);
                    closeAuthModal();
                })
                .catch((error) => {
                    showAuthMessage(error.message);
                });
        }
        
        function signUpWithEmail() {
            const email = document.getElementById('signupEmail').value;
            const password = document.getElementById('signupPassword').value;
            const confirmPassword = document.getElementById('signupConfirmPassword').value;
            
            if (password !== confirmPassword) {
                showAuthMessage("Passwords don't match");
                return;
            }
            
            auth.createUserWithEmailAndPassword(email, password)
                .then((userCredential) => {
                    updateAuthUI(userCredential.user);
                    closeAuthModal();
                })
                .catch((error) => {
                    showAuthMessage(error.message);
                });
        }
        
        function loginWithGoogle() {
            const provider = new firebase.auth.GoogleAuthProvider();
            
            auth.signInWithPopup(provider)
                .then((result) => {
                    updateAuthUI(result.user);
                    closeAuthModal();
                })
                .catch((error) => {
                    showAuthMessage(error.message);
                });
        }
        
        function showAuthMessage(message) {
            const authMessage = document.getElementById('authMessage');
            authMessage.textContent = message;
            authMessage.classList.remove('hidden');
        }
        
        function updateAuthUI(user) {
            if (user) {
                authBtn.classList.add('hidden');
                userAvatar.classList.remove('hidden');
                userPhoto.src = user.photoURL || 'https://ui-avatars.com/api/?name=' + encodeURIComponent(user.displayName || user.email);
                
                // Load user settings from Firestore
                db.collection('users').doc(user.uid).get()
                    .then((doc) => {
                        if (doc.exists) {
                            const userSettings = doc.data().settings;
                            if (userSettings) {
                                settings = {...settings, ...userSettings};
                                applySettings();
                            }
                        }
                    });
            } else {
                authBtn.classList.remove('hidden');
                userAvatar.classList.add('hidden');
            }
        }
        
        // Check auth state on load
        auth.onAuthStateChanged(updateAuthUI);
        
        // Modal Functions
        function openPremiumModal() {
            document.getElementById('premiumModal').classList.remove('hidden');
        }
        
        function closePremiumModal() {
            document.getElementById('premiumModal').classList.add('hidden');
        }
        
        function openSoundModal() {
            document.getElementById('soundModal').classList.remove('hidden');
        }
        
        function closeSoundModal() {
            document.getElementById('soundModal').classList.add('hidden');
        }
        
        function openSettingsModal() {
            // Load current settings into form
            document.getElementById('focusDuration').value = settings.focusDuration;
            document.getElementById('shortBreakDuration').value = settings.shortBreakDuration;
            document.getElementById('longBreakDuration').value = settings.longBreakDuration;
            document.getElementById('longBreakInterval').value = settings.longBreakInterval;
            
            document.getElementById('settingsModal').classList.remove('hidden');
        }
        
        function closeSettingsModal() {
            document.getElementById('settingsModal').classList.add('hidden');
        }
        
        function saveSettings() {
            // Get values from form
            settings.focusDuration = parseInt(document.getElementById('focusDuration').value);
            settings.shortBreakDuration = parseInt(document.getElementById('shortBreakDuration').value);
            settings.longBreakDuration = parseInt(document.getElementById('longBreakDuration').value);
            settings.longBreakInterval = parseInt(document.getElementById('longBreakInterval').value);
            
            // Apply changes
            applySettings();
            
            // Save to Firestore if logged in
            const user = auth.currentUser;
            if (user) {
                db.collection('users').doc(user.uid).set({
                    settings: settings
                }, { merge: true });
            }
            
            closeSettingsModal();
        }
        
        function applySettings() {
            // Update timer if not running
            if (!isRunning) {
                switchTimerTab(currentMode);
            }
        }
        
        function subscribePremium() {
            const user = auth.currentUser;
            if (!user) {
                showAuthMessage("Please sign in to subscribe");
                closePremiumModal();
                openAuthModal();
                return;
            }
            
            // In a real app, you would redirect to Stripe checkout
            // This is just a simulation
            setTimeout(() => {
                alert('Premium subscription successful!');
                closePremiumModal();
                
                // Show premium features
                document.getElementById('premiumTasks').classList.remove('hidden');
                document.getElementById('premiumTasksBtn').classList.add('hidden');
                document.getElementById('premiumChallengesBtn').classList.add('hidden');
            }, 1000);
        }
        
        function exportStats() {
            // In a real app, this would generate a CSV file
            alert('Exporting stats to CSV...');
        }
        
        // Initialize Charts
        function initCharts() {
            // Daily Stats Chart
            const dailyCtx = document.getElementById('dailyChart').getContext('2d');
            new Chart(dailyCtx, {
                type: 'bar',
                data: {
                    labels: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
                    datasets: [{
                        label: 'Pomodoros',
                        data: [3, 5, 2, 4, 6, 1, 0],
                        backgroundColor: '#7c3aed',
                        borderRadius: 4
                    }]
                },
                options: {
                    responsive: true,
                    plugins: {
                        legend: {
                            display: false
                        }
                    },
                    scales: {
                        y: {
                            beginAtZero: true,
                            grid: {
                                display: false
                            },
                            ticks: {
                                stepSize: 2
                            }
                        },
                        x: {
                            grid: {
                                display: false
                            }
                        }
                    }
                }
            });
        }
        
        // Initialize the app
        window.onload = function() {
            initCharts();
            
            // Check for premium features (simulated)
            const isPremium = false; // In a real app, this would check the user's subscription
            if (isPremium) {
                document.getElementById('premiumTasks').classList.remove('hidden');
                document.getElementById('premiumTasksBtn').classList.add('hidden');
                document.getElementById('premiumChallengesBtn').classList.add('hidden');
            }
        };
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=Vinaymsgbox/pomodor" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>