.error-message {
    background-color: #ff5757;
    color: white;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    text-align: center;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}