.list-scroll-dock {
  position: fixed;
  bottom: 0;
  z-index: 16;
  display: flex;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
  padding: 4px 8px max(4px, env(safe-area-inset-bottom));
  border: 1px solid #a9c9de;
  border-radius: 8px 8px 0 0;
  background: #f3f8fc;
  box-shadow: 0 -3px 12px #15375f1a;
}
.list-scroll-dock[hidden] { display: none; }
.list-scroll-dock button {
  flex: 0 0 1.6em;
  width: 1.6em;
  height: 1.6em;
  min-height: 0;
  padding: 0;
  border: 1px solid #a9c9de;
  border-radius: 5px;
  color: #245f91;
  background: white;
  font: inherit;
  line-height: 1;
  cursor: pointer;
}
.list-scroll-dock button:disabled { opacity: .4; cursor: default; }
.list-scroll-track { flex: 1; min-width: 0; overflow-x: scroll; overflow-y: hidden; scrollbar-color: #699abe #e1edf6; scrollbar-width: auto; }
.list-scroll-space { height: 1px; }
.list-scroll-track::-webkit-scrollbar { height: 16px; }
.list-scroll-track::-webkit-scrollbar-track { background: #e1edf6; }
.list-scroll-track::-webkit-scrollbar-thumb { border: 3px solid #e1edf6; border-radius: 8px; background: #699abe; }
.list-scroll-dock :focus-visible { outline: 2px solid #245f91; outline-offset: 1px; }
html { scroll-padding-bottom: 3rem; }