export function getFailurePage(error?: string): string {
const errorMessage = error || 'Authentication failed';
return `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Authentication Failed - Umbrella MCP</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
display: flex;
justify-content: center;
align-items: center;
padding: 20px;
color: #fff;
}
.container {
background: rgba(255, 255, 255, 0.95);
border-radius: 20px;
box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
overflow: hidden;
max-width: 480px;
width: 100%;
padding: 50px 40px;
text-align: center;
backdrop-filter: blur(10px);
}
.logo {
width: 80px;
height: 80px;
margin: 0 auto 30px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 36px;
color: white;
font-weight: bold;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
h1 {
color: #333;
font-size: 28px;
margin-bottom: 15px;
font-weight: 600;
}
.error-icon {
width: 60px;
height: 60px;
margin: 0 auto 20px;
background: #ff4757;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 30px;
color: white;
}
.message {
color: #666;
font-size: 16px;
margin-bottom: 30px;
line-height: 1.5;
}
.error-details {
background: #fff3f3;
border: 1px solid #ffc4c4;
border-radius: 10px;
padding: 15px;
margin-bottom: 30px;
color: #c9302c;
font-size: 14px;
word-break: break-word;
}
.button {
display: inline-block;
padding: 14px 40px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
text-decoration: none;
border-radius: 30px;
font-size: 16px;
font-weight: 500;
transition: transform 0.3s, box-shadow 0.3s;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
border: none;
cursor: pointer;
}
.button:hover {
transform: translateY(-2px);
box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}
.footer {
margin-top: 30px;
color: #999;
font-size: 14px;
}
@keyframes shake {
0%, 100% { transform: translateX(0); }
10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
20%, 40%, 60%, 80% { transform: translateX(5px); }
}
.error-icon {
animation: shake 0.5s;
}
</style>
</head>
<body>
<div class="container">
<div class="logo">☂️</div>
<div class="error-icon">✕</div>
<h1>Authentication Failed</h1>
<div class="message">
We couldn't authenticate your account. Please check your credentials and try again.
</div>
<div class="error-details">
${errorMessage}
</div>
<button class="button" onclick="goBack()">Try Again</button>
<div class="footer">
<p>Umbrella MCP Server</p>
</div>
</div>
<script>
function goBack() {
window.history.back();
}
// Auto-close after 30 seconds
setTimeout(() => {
window.close();
}, 30000);
</script>
</body>
</html>`;
}