body {
    background-color: #f8f9fa;
}

.error-container {
    max-width: 500px;
    padding: 2rem;
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    text-align: center;
}

.error-icon {
    font-size: 3rem;
    color: #dc3545;
    margin-bottom: 1rem;
}

.error-message {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.btn-red {
    background-color: #dc3545;
    border: none;
}

.btn-red:hover {
    background-color: #b02a37;
}