.custom-error-msg {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    animation: fadeInError 0.3s ease;
    width: 100%;
}
.custom-error-msg i {
    font-size: 14px;
}
.invalid-input {
    border-color: #e74c3c !important;
    background-color: #fdf3f3 !important;
    box-shadow: 0 0 0 1px #e74c3c !important;
    transition: all 0.2s ease;
}
@keyframes fadeInError {
    from { opacity: 0; transform: translateY(-3px); }
    to { opacity: 1; transform: translateY(0); }
}