discourse/plugins/chat/assets/stylesheets/common/chat-tabs.scss

.chat-tabs {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 1px;
}

.chat-tabs__tabpanel {
  height: 100%;
  min-height: 1px;
  padding-bottom: env(safe-area-inset-bottom);
}

.chat-tabs-list {
  margin: 1.5rem 0 2rem 1rem;
}