Maybe/app/views/accounts/_account_list.html.erb

<%# locals: (group:) -%>
<% type = Accountable.from_type(group.name) %>
<% if group && group.children.any? %>
  <% group_trend = group.series.trend %>

  <details
    class="mb-1 text-sm group"
    data-controller="account-collapse"
    data-account-collapse-type-value="<%= type %>">
    <summary class="flex gap-4 px-3 py-2 items-center w-full rounded-[10px] font-medium
                    hover:bg-gray-100 cursor-pointer">
      <%= lucide_icon("chevron-down",
          class: "hidden group-open:block text-gray-500 w-5 h-5") %>
      <%= lucide_icon("chevron-right",
          class: "group-open:hidden text-gray-500 w-5 h-5") %>

      <div class="text-left"><%= type.model_name.human %></div>

      <div class="ml-auto flex flex-col items-end">
        <p class="text-right"><%= format_money group.sum %></p>

        <div class="flex items-center gap-1">
          <div class="h-3 w-8">
            <%= render "shared/sparkline", series: group.series, id: "#{group.name}_sparkline" %>
          </div>

          <span class="text-xs" style="color: <%= group_trend.color %>"><%= group_trend.value.positive? ? "+" : "" %><%= group_trend.percent.infinite? ? "∞" : number_to_percentage(group_trend.percent, precision: 0) %></span>
        </div>
      </div>
    </summary>
    <% group.children.sort_by(&:name).each do |account_value_node| %>
      <% account = account_value_node.original %>
      <% account_trend = account_value_node.series.trend %>
      <%= link_to account, class: "flex items-center w-full gap-3 px-3 py-2 mb-1 hover:bg-gray-100 rounded-[10px]" do %>
        <%= render "accounts/logo", account: account, size: "sm" %>
        <div class="overflow-hidden">
          <p class="font-medium truncate"><%= account_value_node.name %></p>
          <% if account.subtype %>
            <p class="text-xs text-gray-500"><%= account.subtype&.humanize %></p>
          <% end %>
        </div>
        <div class="flex flex-col items-end font-medium text-right ml-auto">
          <p><%= format_money account.balance_money %></p>
          <div class="flex items-center gap-1">
            <div class="h-3 w-8">
              <%= render "shared/sparkline", series: account_value_node.series, id: dom_id(account, :list_sparkline) %>
            </div>

            <span class="text-xs" style="color: <%= account_trend.color %>">
              <%= account_trend.value.positive? ? "+" : "" %><%= account_trend.percent.infinite? ? "∞" : number_to_percentage(account_trend.percent, precision: 0) %>
            </span>
          </div>
        </div>
      <% end %>
    <% end %>
    <%= link_to new_polymorphic_path(type, step: "method_select"), class: "flex items-center min-h-10 gap-4 px-3 py-2 mb-1 text-gray-500 text-sm font-medium rounded-[10px] hover:bg-gray-100", data: { turbo_frame: "modal" } do %>
      <%= lucide_icon("plus", class: "w-5 h-5") %>
      <%= t(".new_account", type: type.model_name.human.downcase) %>
    <% end %>
  </details>
<% end %>