{% load i18n %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{{ _("Invalid Survey Link")}} - PX360</title>
    
    <!-- Bootstrap 5 CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- Bootstrap Icons -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
    
    <style>
        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }
        
        .error-card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            padding: 50px 30px;
            text-align: center;
            max-width: 500px;
            margin: 20px;
        }
        
        .error-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
        }
        
        .error-icon i {
            font-size: 50px;
            color: white;
        }
        
        h1 {
            color: #333;
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        
        p {
            color: #666;
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 30px;
        }
        
        .reasons {
            background: #f5f5f5;
            border-radius: 15px;
            padding: 20px;
            text-align: left;
            margin: 30px 0;
        }
        
        .reasons h3 {
            color: #333;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .reasons ul {
            margin-bottom: 0;
            padding-left: 20px;
        }
        
        .reasons li {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        
        .contact-info {
            color: #999;
            font-size: 0.9rem;
            margin-top: 30px;
        }
        
        @media (max-width: 576px) {
            .error-card {
                padding: 40px 20px;
            }
            
            h1 {
                font-size: 1.5rem;
            }
            
            p {
                font-size: 1rem;
            }
        }
    </style>
</head>
<body>
    <div class="error-card">
        <div class="error-icon">
            <i class="bi bi-x-lg"></i>
        </div>
        
        <h1>{% trans "Invalid Survey Link" %}</h1>
        
        <p>
            {{ _("We're sorry, but this survey link is no longer valid or has expired")}}.
        </p>
        
        <div class="reasons">
            <h3>{% trans "This could be because:" %}</h3>
            <ul>
                <li>{{ _("The survey has already been completed")}}</li>
                <li>{{ _("The link has expired (surveys are valid for 30 days)")}}</li>
                <li>{{ _("The link was entered incorrectly")}}</li>
                <li>{{ _("The survey has been canceled")}}</li>
            </ul>
        </div>
        
        <p class="contact-info">
            {{ _("If you believe this is an error, please contact your healthcare provider for assistance")}}.
        </p>
    </div>
</body>
</html>
