Add the dark theme for core component texts.

lib/decentralised_book_index_web/components/core_components.ex

@@ -495,7 +495,7 @@ defmodule DecentralisedBookIndexWeb.CoreComponents do
         <h1 class="text-lg font-semibold leading-8 text-zinc-800 dark:text-white">
           {render_slot(@inner_block)}
         </h1>
-        <p :if={@subtitle != []} class="mt-2 text-sm leading-6 text-zinc-600">
+        <p :if={@subtitle != []} class="mt-2 text-sm leading-6 text-zinc-600 dark:text-white">
           {render_slot(@subtitle)}
         </p>
       </div>
@@ -601,8 +601,8 @@ defmodule DecentralisedBookIndexWeb.CoreComponents do
     <div class="mt-14">
       <dl class="-my-4 divide-y divide-zinc-100">
         <div :for={item <- @item} class="flex gap-4 py-4 text-sm leading-6 sm:gap-8">
-          <dt class="w-1/4 flex-none text-zinc-500">{item.title}</dt>
-          <dd class="text-zinc-700">{render_slot(item)}</dd>
+          <dt class="w-1/4 flex-none text-zinc-500 dark:text-white">{item.title}</dt>
+          <dd class="text-zinc-700 dark:text-white">{render_slot(item)}</dd>
         </div>
       </dl>
     </div>