.cas-advanced-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: #4a9d6f;
    font-size: .85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0 0 8px 0;
    margin-bottom: 6px;
    transition: color .2s;
}

.cas-advanced-toggle:hover {
    color: #2d7a4f;
}

.cas-advanced-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform .2s;
}

.cas-advanced-toggle.cas-open::after {
    transform: rotate( 180deg );
}

.cas-advanced-panel {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 12px;
}

.cas-advanced-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: flex-start;
}

.cas-advanced-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.cas-advanced-label {
    font-size: .85rem;
    font-weight: 600;
    color: #495057;
    margin-right: 4px;
}

.cas-advanced-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .85rem;
    color: #495057;
    cursor: pointer;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 6px 10px;
    transition: border-color .15s, background .15s;
}

.cas-advanced-checkbox:hover {
    border-color: #4a9d6f;
    background: #f0f9f4;
}

.cas-advanced-checkbox input {
    margin: 0;
}

/* Mobile */
@media (max-width: 576px) {
    .cas-advanced-inner {
        flex-direction: column;
        gap: 12px;
    }

    .cas-advanced-group {
        width: 100%;
    }
}