form .lc-field-error {
    outline: 2px solid #b43a32;
    outline-offset: 3px;
    border-radius: 8px;
    background: #fff0ed;
    padding: 10px;
    scroll-margin-block: 110px;
}
form .lc-validation-message,
form .lc-frequency-error,
form .lc-si-frequency-error {
    color: #9b241e;
    font-weight: 700;
    font-size: 14px;
    line-height: 1.5;
    margin: 8px 0;
}
form .lc-error-pulse { animation: lc-error-pulse 1s ease-in-out 3; }
@keyframes lc-error-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(180,58,50,.08); }
    50% { box-shadow: 0 0 0 6px rgba(180,58,50,.22); }
}
html.lc-nuit form .lc-field-error,
body.lc-nuit form .lc-field-error { background: #3a2323; outline-color: #f59b91; }
html.lc-nuit form .lc-validation-message,
body.lc-nuit form .lc-validation-message,
html.lc-nuit form .lc-frequency-error,
body.lc-nuit form .lc-frequency-error,
html.lc-nuit form .lc-si-frequency-error,
body.lc-nuit form .lc-si-frequency-error { color: #ffc3ba; }
@media (prefers-color-scheme: dark) {
    form .lc-field-error { background: #3a2323; outline-color: #f59b91; }
    form .lc-validation-message, form .lc-frequency-error, form .lc-si-frequency-error { color: #ffc3ba; }
}
@media (prefers-reduced-motion: reduce) {
    form .lc-error-pulse { animation: none; }
}