/* product-details-accordion-v1: horizontal tabs -> accordion on mobile only */
@media (max-width: 767px) {
  f-product-details-tabs.f-product-details-tabs--accordion .f-tabs__header,
  f-product-details-tabs.f-product-details-tabs--accordion .f-tabs__header-inner {
    display: none !important;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-tabs__content {
    padding-top: 0 !important;
    display: block !important;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item {
    border-bottom: 1px solid rgba(var(--color-border), 1);
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item:first-child {
    border-top: 1px solid rgba(var(--color-border), 1);
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-product-tab-header {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    margin: 0;
    padding: 18px 4px;
    opacity: 1 !important;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.3;
    text-wrap: pretty;
    white-space: normal;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-product-tab-header:after {
    content: none !important;
    display: none !important;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-pdt-acc-icon {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    position: relative;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-pdt-acc-icon:before,
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-pdt-acc-icon:after {
    content: "";
    position: absolute;
    background: currentColor;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-pdt-acc-icon:before {
    width: 14px;
    height: 1.5px;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-pdt-acc-icon:after {
    width: 1.5px;
    height: 14px;
    transition: opacity .2s ease, transform .2s ease;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item.is-open .f-pdt-acc-icon:after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item .f-product-tab-content {
    display: none;
    opacity: 1 !important;
    padding: 0 4px 20px;
  }
  f-product-details-tabs.f-product-details-tabs--accordion .f-pdt-acc-item.is-open .f-product-tab-content {
    display: block;
  }
}

/* desktop: if accordion DOM already built, flatten visually to tabs-like stacked headers? 
   JS restores original structure on desktop, so no extra rules needed. */