.show-error-message {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 80%;
    color: #dc3545;
}

.error-message {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 80%;
    color: #dc3545;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-control.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}