Maybe/app/views/imports/_table.html.erb

<%# locals: (headers: [], rows: [], caption: nil) %>
<div class="bg-container-inset rounded-xl overflow-hidden md:mx-auto p-4">
  <% if caption %>
    <div class="flex items-center mb-4">
      <div class="text-gray-500 mr-2">
        <%= inline_svg_tag "icon-csv.svg", class: "w-4 h-4" %>
      </div>
      <h2 class="text-sm text-gray-500 font-medium"><%= caption %></h2>
    </div>
  <% end %>
  <div class="inline-block min-w-fit sm:w-full rounded-lg shadow-border-xs text-sm bg-container">
    <table class="min-w-full">
      <thead>
        <tr>
          <% headers.each_with_index do |header, index| %>
            <th class="
              bg-container-inset px-3 py-2 font-medium border-b border-b-alpha-black-200 text-left whitespace-nowrap
              <%= index == 0 ? "rounded-tl-lg" : "" %>
              <%= index == headers.length - 1 ? "rounded-tr-lg" : "" %>
              <%= index < headers.length - 1 ? "border-r border-r-alpha-black-200" : "" %>
            ">
              <%= header %>
            </th>
          <% end %>
        </tr>
      </thead>
      <tbody class="">
        <% rows.each_with_index do |row, row_index| %>
          <tr>
            <% row.each_with_index do |(header, value), col_index| %>
              <td class="
                px-3 py-2 whitespace-nowrap text-left
                <%= col_index < row.length - 1 ? "border-r border-r-alpha-black-200" : "" %>
                <%= !caption && row_index == rows.length - 1 && col_index == 0 ? "rounded-bl-md" : "" %>
                <%= !caption && row_index == rows.length - 1 && col_index == row.length - 1 ? "rounded-br-md" : "" %>
              ">
                <%= value %>
              </td>
            <% end %>
          </tr>
        <% end %>
      </tbody>
    </table>
  </div>
</div>