.mobile-product-nav {
  display: none;
}

@media (max-width: 768px) {
  body.has-mobile-product-nav {
    padding-bottom: calc(78px + env(safe-area-inset-bottom, 0px));
  }

  .mobile-product-nav {
    position: fixed;
    right: 12px;
    bottom: 10px;
    left: 12px;
    z-index: 1100;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
    padding: 7px;
    padding-bottom: calc(7px + env(safe-area-inset-bottom, 0px));
    border: 1px solid rgba(13, 121, 95, 0.18);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 12px 34px rgba(15, 35, 31, 0.18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .mobile-product-nav__item {
    min-width: 0;
    min-height: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border-radius: 13px;
    color: #425466;
    font-size: 10px;
    font-weight: 800;
    line-height: 1.1;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
  }

  .mobile-product-nav__item:active {
    transform: scale(0.97);
  }

  .mobile-product-nav__item svg {
    width: 20px;
    height: 20px;
    display: block;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
  }

  .mobile-product-nav__item span {
    max-width: 54px;
    text-align: center;
    white-space: normal;
  }

  .mobile-product-nav__item.is-active {
    color: #006c58;
    background: #e8faf5;
  }

  .mobile-product-nav__item.is-active svg {
    color: #00846b;
  }
}