body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f4f6f9;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.error-card {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    max-width: 500px;
    width: 100%;
    text-align: center;
    border-top: 6px solid #dc3545;
}

.error-card h2 {
    color: #dc3545;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 24px;
    font-weight: 600;
}

.error-card p {
    color: #495057;
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
}