app/views/active_admin/chat/show.html.erb
<div class='active-admin-chat__chat'>
<%= render partial: 'active_admin/chat/list' %>
<div class='active-admin-chat__conversation-history-container'>
<div class='active-admin-chat__conversation-history'>
<% if active_conversation && messages.empty? %>
<div class='active-admin-chat__conversation-history no-messages'>No messages</div>
<% else %>
<%= render partial: 'active_admin/chat/messages' %>
<% end %>
</div>
<div class='active-admin-chat__send-message-container'>
<input type='text' id='send-message' placeholder="Send message" />
</div>
</div>
</div>
<%= javascript_pack_tag 'activeadmin-chat' %>