.lc-field-error {
    margin-top: .3rem;
    font-size: .85rem;
    line-height: 1.35;
    color: #b42318;
}

[data-bs-theme="dark"] .lc-field-error {
    color: #ff8a80;
}

.form-control.is-invalid,
.form-select.is-invalid,
textarea.is-invalid,
input.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 .15rem rgba(220, 53, 69, .18);
}

.form-check-input.is-invalid {
    border-color: #dc3545;
}

.form-check-input.is-invalid ~ .form-check-label {
    color: #b42318;
}

[data-bs-theme="dark"] .form-check-input.is-invalid ~ .form-check-label {
    color: #ff8a80;
}

.lc-required::after {
    content: " *";
    color: #dc3545;
}

.lc-spinner {
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-right: .5rem;
    vertical-align: -.15em;
    border: .15em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: lc-spin .7s linear infinite;
}

@keyframes lc-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .lc-spinner { animation-duration: 2s; }
}

.lc-ajax-toasts {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    max-width: min(26rem, calc(100vw - 2rem));
}

.lc-ajax-toast {
    padding: .75rem 1rem;
    border-radius: .5rem;
    border: 1px solid #b7e4c7;
    background: #e9f7ef;
    color: #14532d;
    box-shadow: 0 .5rem 1.5rem rgba(0, 0, 0, .15);
    font-size: .92rem;
    cursor: pointer;
}

.lc-ajax-toast-error {
    border-color: #f5c2c7;
    background: #fdecee;
    color: #842029;
}

.lc-ajax-toast-info,
.lc-ajax-toast-warning {
    border-color: #b6d4fe;
    background: #e7f1ff;
    color: #084298;
}

[data-bs-theme="dark"] .lc-ajax-toast { background: #12351f; border-color: #1f6b3a; color: #c9f1d8; }
[data-bs-theme="dark"] .lc-ajax-toast-error { background: #3a1419; border-color: #842029; color: #f1b0b7; }
[data-bs-theme="dark"] .lc-ajax-toast-info,
[data-bs-theme="dark"] .lc-ajax-toast-warning { background: #10243f; border-color: #1b4a8a; color: #b6d4fe; }