.sidebar {
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 10px;
  scrollbar-gutter: stable;
}
.sidebar::-webkit-scrollbar { width: 7px; }
.sidebar::-webkit-scrollbar-thumb { background: #c6cbd2; border-radius: 999px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
@media (max-width: 760px) {
  .sidebar {
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
    padding-right: 0;
    scrollbar-gutter: auto;
  }
}