/* ============= FORM VALIDATION STYLING ============= */

.validation-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.125rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.validation-icon.valid {
    color: var(--brand-success);
    opacity: 1;
}

.validation-icon.invalid {
    color: var(--brand-danger);
    opacity: 1;
}

.input-group {
    position: relative;
}

.form-control.is-valid {
    border-color: var(--brand-success);
    padding-right: 2.5rem;
}

.form-control.is-invalid {
    border-color: var(--brand-danger);
    padding-right: 2.5rem;
}

.form-control.is-valid:focus {
    border-color: var(--brand-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-control.is-invalid:focus {
    border-color: var(--brand-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.validation-message {
    display: none;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--brand-danger);
    animation: slideDown 0.2s ease;
}

.validation-message:not(:empty) {
    display: block;
}

/* Success messages (hints) */
.validation-message.success {
    color: var(--brand-success);
}

/* Animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dark mode adjustments */
[data-theme="dark"] .form-control.is-valid {
    border-color: var(--brand-success);
}

[data-theme="dark"] .form-control.is-invalid {
    border-color: var(--brand-danger);
}