.dir-to-top {
  position: fixed;
  right: 1.15rem;
  bottom: 1.35rem;
  z-index: 39;
  width: 2.85rem;
  height: 2.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dir-border, #e5e0d8);
  border-radius: 999px;
  background: color-mix(in srgb, var(--dir-surface, #fff) 92%, transparent);
  color: var(--dir-text, #1c1917);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(8px);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.4rem);
  transition: opacity 0.18s ease, transform 0.18s ease, background 0.15s ease, right 0.15s ease, bottom 0.15s ease;
}

.dir-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dir-to-top:hover {
  background: var(--dir-surface, #fff);
  color: var(--dir-accent, #0f766e);
}

.dir-to-top i {
  font-size: 1.15rem;
  line-height: 1;
}

body:has(.dir-cart-fab) .dir-to-top {
  bottom: calc(1.35rem + 3.4rem + 0.65rem);
}

/* Рядом с «Поделиться», а не поверх */
body:has(.share-widget--floating) .dir-to-top {
  bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
  right: calc(max(1rem, env(safe-area-inset-right, 0px)) + 3rem + 0.55rem);
}

body.cookie-banner-visible:has(.share-widget--floating) .dir-to-top,
body.ld-cookie-banner-open:has(.share-widget--floating) .dir-to-top {
  bottom: calc(4.25rem + var(--ld-cookie-banner-height, 5.5rem) + env(safe-area-inset-bottom, 0px));
}

body:has(.dir-cart-fab):has(.share-widget--floating) .dir-to-top {
  bottom: calc(1.35rem + 3.4rem + 0.65rem);
  right: calc(1.15rem + 3rem + 0.55rem);
}

@media (max-width: 860px) {
  .dir-to-top {
    bottom: 5.5rem;
    right: 1rem;
  }

  body:has(.share-widget--floating) .dir-to-top {
    bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
    right: calc(1rem + 3rem + 0.55rem);
  }

  body.cookie-banner-visible:has(.share-widget--floating) .dir-to-top,
  body.ld-cookie-banner-open:has(.share-widget--floating) .dir-to-top {
    bottom: calc(4.25rem + var(--ld-cookie-banner-height, 5.5rem) + env(safe-area-inset-bottom, 0px));
  }

  /* Рядом с корзиной, а не поверх неё */
  body:has(.dir-cart-fab) .dir-to-top {
    bottom: 5.5rem;
    right: calc(1rem + 3.4rem + 0.55rem);
  }

  body:has(.dir-cart-fab):has(.share-widget--floating) .dir-to-top {
    bottom: 5.5rem;
    right: calc(1rem + 3.4rem + 0.55rem + 3rem + 0.55rem);
  }
}