/* LOST — кнопка «наверх» */

.lost-scroll-top {
  position: fixed;
  left: max(16px, env(safe-area-inset-left, 0px));
  right: auto;
  bottom: max(20px, env(safe-area-inset-bottom, 0px));
  z-index: calc(var(--lost-z-header, 100) + 40);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: rgba(18, 12, 22, 0.92);
  color: #fff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease, background 0.15s ease, border-color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.lost-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}

.lost-scroll-top:hover {
  background: linear-gradient(180deg, #e23a4b 0%, #d12b3c 100%);
  border-color: transparent;
}

.lost-scroll-top:focus-visible {
  outline: 2px solid rgba(226, 58, 75, 0.7);
  outline-offset: 2px;
}

.lost-scroll-top svg {
  display: block;
  width: 18px;
  height: 18px;
}

/* прячем у футера / при открытых оверлеях */
.lost-scroll-top.is-footer-hidden,
body.no_body .lost-scroll-top,
body.lost-nav-menu-open .lost-scroll-top,
body:has(.lost-home-booking-modal.is-open) .lost-scroll-top,
body:has(.block_to_zakaz.open) .lost-scroll-top {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}
/* На странице квеста липкая панель «Забронировать» во всю ширину снизу — */
/* пока она видна, поднимаем стрелку выше неё. */
body.lost-quest-detail-v2.has-qd-sticky-visible .lost-scroll-top {
  bottom: calc(env(safe-area-inset-bottom, 0px) + 94px);
}

@media (max-width: 767px) {
  .lost-scroll-top {
    left: 12px;
    right: auto;
    bottom: max(16px, env(safe-area-inset-bottom, 0px));
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }
}