#korzor-scroll-top {
  position: fixed;
  left: auto;
  top: auto;
  right: max(1.15rem, env(safe-area-inset-right, 0px));
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(0, 229, 255, 0.28);
  border-radius: 14px;
  background:
    linear-gradient(160deg, rgba(0, 229, 255, 0.1) 0%, transparent 42%),
    linear-gradient(180deg, rgba(24, 38, 60, 0.96) 0%, rgba(9, 14, 24, 0.94) 100%);
  color: #a5f3fc;
  font-family: inherit;
  line-height: 1;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 10px 28px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.65rem) scale(0.9);
  transition:
    opacity 0.24s ease,
    visibility 0.24s ease,
    transform 0.24s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    color 0.2s ease,
    bottom 0.18s ease;
}

#korzor-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

#korzor-scroll-top:hover {
  color: #00e5ff;
  border-color: rgba(0, 229, 255, 0.52);
  background:
    linear-gradient(160deg, rgba(0, 229, 255, 0.22) 0%, transparent 48%),
    linear-gradient(180deg, rgba(18, 32, 52, 0.98) 0%, rgba(8, 14, 24, 0.96) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 14px 32px rgba(0, 0, 0, 0.48),
    0 0 24px rgba(0, 229, 255, 0.22);
  transform: translateY(-2px) scale(1);
}

#korzor-scroll-top:active {
  transform: translateY(0) scale(0.96);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 6px 18px rgba(0, 0, 0, 0.4),
    0 0 14px rgba(0, 229, 255, 0.16);
}

#korzor-scroll-top:focus-visible {
  outline: 2px solid rgba(0, 229, 255, 0.75);
  outline-offset: 3px;
}

.korzor-scroll-top-icon {
  display: block;
  width: 1.2rem;
  height: 1.2rem;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

#korzor-scroll-top:hover .korzor-scroll-top-icon {
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  #korzor-scroll-top {
    width: 2.55rem;
    height: 2.55rem;
    border-radius: 13px;
    right: max(0.85rem, env(safe-area-inset-right, 0px));
  }

  .korzor-scroll-top-icon {
    width: 1.1rem;
    height: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  #korzor-scroll-top {
    transition: opacity 0.01s, visibility 0.01s;
    transform: none;
  }

  #korzor-scroll-top.is-visible,
  #korzor-scroll-top:hover,
  #korzor-scroll-top:active {
    transform: none;
  }

  .korzor-scroll-top-icon,
  #korzor-scroll-top:hover .korzor-scroll-top-icon {
    transform: none;
  }
}