.form-validation-summary {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: -6px 0 14px;
    padding: 10px 14px;
    border: 1px solid rgba(239, 68, 68, .22);
    border-left: 3px solid #ef4444;
    border-radius: 8px;
    background: linear-gradient(90deg, rgba(239, 68, 68, .035) 0%, rgba(239, 68, 68, .012) 100%);
    color: #334155;
    box-shadow: 0 4px 14px rgba(15, 23, 42, .025);
}

.form-validation-summary-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ef4444;
    font-family: var(--font-heading);
    font-size: .9rem;
    line-height: 1.25;
    cursor: pointer;
}

.form-validation-summary-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    border: 1.5px solid currentColor;
    border-radius: 50%;
    font-size: .72rem;
}

.form-validation-summary-toggle {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-left: auto;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #475569;
    font-size: .8rem;
    cursor: pointer;
    transition: background-color .18s ease, color .18s ease, transform .18s ease;
}

.form-validation-summary-toggle:hover {
    background: rgba(239, 68, 68, .08);
    color: #ef4444;
}

.form-validation-summary-toggle:focus-visible {
    outline: 3px solid rgba(239, 68, 68, .22);
    outline-offset: 2px;
}

.form-validation-summary-toggle i {
    transition: transform .18s ease;
}

.form-validation-summary:not(.is-collapsed) .form-validation-summary-toggle i {
    transform: rotate(180deg);
}

.form-validation-summary.is-collapsed {
    gap: 0;
}

.form-validation-summary.is-collapsed .form-validation-summary-list {
    display: none;
}

.form-validation-summary-list ul {
    margin: 0;
    padding-left: 30px;
}

.form-validation-summary-list li {
    margin: 3px 0;
    color: #334155;
    font-size: .875rem;
    line-height: 1.4;
}

.form-validation-summary-list li::marker {
    color: #ef4444;
}

@media (max-width: 767px) {
    .form-validation-summary {
        margin: -4px 0 12px;
        padding: 10px 12px;
    }

    .form-validation-summary-header {
        align-items: flex-start;
        font-size: .875rem;
    }

    .form-validation-summary-list ul {
        padding-left: 24px;
    }
}