feat: Update chapter title formatting and enhance settings layout

abogen/web/templates/settings.html

@@ -36,7 +36,7 @@
         <input type="number" min="1" max="25" id="speaker_analysis_threshold" name="speaker_analysis_threshold" value="{{ settings.speaker_analysis_threshold }}">
         <p class="hint">Speakers detected fewer times fall back to the narrator voice.</p>
       </div>
-      <div class="field">
+      <div class="field field--wide">
         <label for="speaker_pronunciation_sentence">Speaker Pronunciation Preview</label>
         <input type="text" id="speaker_pronunciation_sentence" name="speaker_pronunciation_sentence" value="{{ settings.speaker_pronunciation_sentence }}" placeholder="This is {{ '{{name}}' }} speaking.">
         <p class="hint">Include <code>{{ '{{name}}' }}</code> where the speaker name should be inserted.</p>
@@ -48,7 +48,7 @@
         </label>
         <p class="hint">Disable if you prefer to skip entity extraction in the job wizard.</p>
       </div>
-      <div class="field">
+      <div class="field field--wide">
         <label for="speaker_random_languages">Randomizer Languages</label>
         {% set selected_languages = settings.speaker_random_languages or [] %}
         <select id="speaker_random_languages" name="speaker_random_languages" multiple size="6">