MQL5-Google-Onedrive/offline.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Offline - MQL5 Trading Automation</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            background: white;
            padding: 50px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            text-align: center;
            max-width: 500px;
        }

        .icon {
            font-size: 80px;
            margin-bottom: 20px;
        }

        h1 {
            color: #333;
            font-size: 2em;
            margin-bottom: 15px;
        }

        p {
            color: #666;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: #667eea;
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: background 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1em;
        }

        .btn:hover {
            background: #5568d3;
        }

        .status {
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid #eee;
        }

        .status-text {
            color: #888;
            font-size: 0.9em;
        }

        .online {
            color: #10b981;
            font-weight: 600;
        }

        .offline {
            color: #ef4444;
            font-weight: 600;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="icon" role="img" aria-label="Satellite Antenna">📡</div>
        <h1>You're Offline</h1>
        <p>
            It looks like you've lost your internet connection. 
            Don't worry, some features are still available offline.
        </p>
        <p>
            This Progressive Web App will automatically reconnect when you're back online.
        </p>
        <button class="btn" onclick="location.reload()">Try Again</button>

        <div class="status">
            <div class="status-text">
                Connection Status: <span id="status" class="offline">Offline</span>
            </div>
        </div>
    </div>

    <script>
        // Update connection status
        function updateStatus() {
            const statusEl = document.getElementById('status');
            if (navigator.onLine) {
                statusEl.textContent = 'Online';
                statusEl.className = 'online';
                // Auto-reload when back online
                setTimeout(() => location.reload(), 1000);
            } else {
                statusEl.textContent = 'Offline';
                statusEl.className = 'offline';
            }
        }

        // Listen for connection changes
        window.addEventListener('online', updateStatus);
        window.addEventListener('offline', updateStatus);

        // Initial check
        updateStatus();

        // Periodic check
        setInterval(() => {
            if (navigator.onLine) {
                updateStatus();
            }
        }, 5000);
    </script>
</body>
</html>