.adm-messenger-root { display: grid; grid-template-columns: 56px 340px 1fr; }
.adm-side-nav { background: #0e1621; }
.adm-side-nav .nav-item { text-decoration: none; color: inherit; }
.adm-list-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  padding-right: 8px;
  white-space: nowrap;
}
#adm-messenger.viewing-chat .tg-list-pane { display: none; }
@media (min-width: 901px) {
  #adm-messenger.viewing-chat .tg-list-pane { display: flex; }
}
@media (max-width: 900px) {
  .adm-messenger-root { grid-template-columns: 56px 1fr; }
  .adm-messenger-root:not(.viewing-chat) .tg-chat-pane { display: none; }
}