Maybe/app/views/layouts/auth.html.erb

<%= content_for :content do %>
  <div class="flex flex-col justify-center min-h-full px-6 py-12">
    <div class="sm:mx-auto sm:w-full sm:max-w-md">
      <%= render "shared/logo" %>

      <h2 class="mt-6 text-3xl font-semibold tracking-tight text-center font-display">
        <%= content_for?(:header_title) ? yield(:header_title).html_safe : t(".your_account") %>
      </h2>

      <% if controller_name == "sessions" %>
        <p class="mt-2 text-sm text-center text-gray-600">
          <%= t(".or") %> <%= link_to t(".sign_up"), new_registration_path, class: "font-medium text-gray-600 hover:text-gray-400 transition" %>
        </p>
      <% elsif controller_name == "registrations" %>
        <p class="mt-2 text-sm text-center text-gray-600">
          <%= t(".or") %> <%= link_to t(".sign_in"), new_session_path, class: "font-medium text-gray-600 hover:text-gray-400 transition" %>
        </p>
      <% end %>
    </div>

    <div class="mt-8 sm:mx-auto sm:w-full sm:max-w-lg">
      <%= yield %>
    </div>

    <div class="p-8 mt-2 text-center">
      <p class="mt-6 text-sm text-black"><%= link_to t(".privacy_policy"), "/privacy", class: "font-medium text-gray-600 hover:text-gray-400 transition" %> &bull; <%= link_to t(".terms_of_service"), "/terms", class: "font-medium text-gray-600 hover:text-gray-400 transition" %></p>
    </div>
  </div>
<% end %>

<%= render template: "layouts/application" %>