<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Authentication Failed - Muster</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #e8e8e8;
        }
        .container {
            text-align: center;
            padding: 3rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            max-width: 500px;
            margin: 1rem;
        }
        .error-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
        }
        h1 {
            font-size: 1.75rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .message {
            color: #ff6b6b;
            font-weight: 500;
            margin-top: 1rem;
        }
        p {
            color: #a0a0a0;
            line-height: 1.6;
            margin-top: 1rem;
        }
        .footer {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.875rem;
            color: #666;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="error-icon">✕</div>
        <h1>Authentication Failed</h1>
        <p class="message">{{.Message}}</p>
        <p>Please return to your IDE and try again.</p>
        <div class="footer">
            Powered by Muster
        </div>
    </div>
</body>
</html>
