diff --git a/mu-plugins/fea-accesibilidad.php b/mu-plugins/fea-accesibilidad.php
index 8c33a4b..e576a0a 100644
--- a/mu-plugins/fea-accesibilidad.php
+++ b/mu-plugins/fea-accesibilidad.php
@@ -105,7 +105,8 @@ add_action('wp_head', function () {
         --wp--preset--color--base: #0d0d0d;
         --wp--preset--color--contrast: #ececec;
     }
-    html[data-fea-theme="dark"] a { color: <?php echo esc_html($accent_dark); ?>; }
+    html[data-fea-theme="dark"] a,
+    html[data-fea-theme="dark"] a:visited { color: <?php echo esc_html($accent_dark); ?>; }
     html[data-fea-theme="dark"] a:focus-visible,
     html[data-fea-theme="dark"] button:focus-visible {
         outline-color: <?php echo esc_html($accent_dark); ?> !important;
@@ -184,6 +185,117 @@ add_action('wp_head', function () {
         color: #b8afa8;
     }
 
+    /* Comentarios al evangelio: el panel usa colores editoriales claros fijos. */
+    html[data-fea-theme="dark"] .fea-com-evangelio {
+        background: #1a1711;
+        border-left-color: #c9973e;
+        color: #ececec;
+    }
+    html[data-fea-theme="dark"] .fea-com-evangelio-details summary {
+        color: #f0c674;
+    }
+
+    /* Elementos editoriales presentes en artículos y resultados. */
+    html[data-fea-theme="dark"] .fea-audio {
+        background: #161311;
+        border-color: #3a302b;
+        border-left-color: <?php echo esc_html($accent_dark); ?>;
+    }
+    html[data-fea-theme="dark"] .fea-byline-name { color: #ececec; }
+    html[data-fea-theme="dark"] .fea-byline-cat,
+    html[data-fea-theme="dark"] .fea-eed-link .fecha { color: #b8afa8; }
+    html[data-fea-theme="dark"] .fea-share-rule { border-top-color: #3a302b; }
+    html[data-fea-theme="dark"] .fea-share-row { color: #d5cbc3; }
+    html[data-fea-theme="dark"] .fea-share-label,
+    html[data-fea-theme="dark"] .fea-share-sep { color: #b8afa8; }
+
+    /* Formulario y filtros de búsqueda avanzada. */
+    html[data-fea-theme="dark"] .fea-adv-details {
+        background: #161311; border-color: #3a302b;
+    }
+    html[data-fea-theme="dark"] .fea-adv-summary {
+        background: #24181c; border-bottom-color: #3a302b;
+        color: <?php echo esc_html($accent_dark); ?>;
+    }
+    html[data-fea-theme="dark"] .fea-adv-label,
+    html[data-fea-theme="dark"] .fea-adv-chips-label,
+    html[data-fea-theme="dark"] .fea-adv-meta,
+    html[data-fea-theme="dark"] .fea-archive-card .fea-adv-byline { color: #b8afa8; }
+    html[data-fea-theme="dark"] .fea-adv-chip {
+        background: #2a1b20; border-color: #56343d; color: #ececec;
+    }
+    html[data-fea-theme="dark"] .fea-adv-input,
+    html[data-fea-theme="dark"] .fea-adv-select {
+        background: #1c1c1c; border-color: #3a3a3a; color: #ececec;
+    }
+    html[data-fea-theme="dark"] .fea-adv-count { color: #b8afa8; }
+
+    /* Recopilatorios y galería multimedia. */
+    html[data-fea-theme="dark"] .fea-recop-year { border-bottom-color: #3a302b; }
+    html[data-fea-theme="dark"] .fea-recop-list li { border-bottom-color: #2a2320; }
+    html[data-fea-theme="dark"] .fea-recop-list a,
+    html[data-fea-theme="dark"] .fea-mm-title { color: #ececec; }
+    html[data-fea-theme="dark"] .fea-recop-date,
+    html[data-fea-theme="dark"] .fea-mm-date,
+    html[data-fea-theme="dark"] .fea-mm-excerpt { color: #b8afa8; }
+    html[data-fea-theme="dark"] .fea-mm-card { background: #161311; border-color: #2a2320; }
+    html[data-fea-theme="dark"] .fea-mm-thumb { background: #241f1c; }
+
+    /* Galerías de pensamientos y navegación del tema base. */
+    html[data-fea-theme="dark"] .fea-gallery-item {
+        background: #161311; border-color: #3a302b;
+    }
+    html[data-fea-theme="dark"] .fea-lightbox-frame img { background: #161311; }
+    html[data-fea-theme="dark"] .fea-lightbox button { background: #2a2320; color: #ececec; }
+    html[data-fea-theme="dark"] .wp-block-navigation .wp-block-navigation-item__content {
+        color: #ececec;
+    }
+    html[data-fea-theme="dark"] .wp-block-navigation__submenu-container {
+        background: #161311; border-color: #3a302b;
+    }
+
+    /* Página de apoyo: plantilla propia con colores claros explícitos. */
+    html[data-fea-theme="dark"] .fea-support-page {
+        --fea-support-ink: #ececec;
+        --fea-support-warm: #161311;
+        --fea-support-line: #3a302b;
+        --fea-support-card: #161311;
+    }
+    html[data-fea-theme="dark"] .fea-support-hero,
+    html[data-fea-theme="dark"] .fea-support-banner {
+        background: #1a1711 !important;
+        border-color: #3a302b !important;
+    }
+    html[data-fea-theme="dark"] .fea-support-card,
+    html[data-fea-theme="dark"] .fea-support-button.is-secondary {
+        background: #161311 !important;
+        border-color: #3a302b !important;
+        color: #ececec !important;
+    }
+    html[data-fea-theme="dark"] .fea-support-card__title,
+    html[data-fea-theme="dark"] .fea-support-progress__numbers span,
+    html[data-fea-theme="dark"] .fea-support-progress__note,
+    html[data-fea-theme="dark"] .fea-support-sidebar__small { color: #b8afa8; }
+    html[data-fea-theme="dark"] .fea-support-progress__track { background: #3a302b; }
+
+    /* Colaboradores: stylesheet propio del tema con tarjetas claras y !important. */
+    html[data-fea-theme="dark"] .entry-content .wrapper {
+        background: #161311 !important;
+        border-color: #3a302b !important;
+        color: #ececec !important;
+        box-shadow: 0 2px 4px rgba(0,0,0,.45) !important;
+    }
+    html[data-fea-theme="dark"] .entry-content .wrapper strong {
+        color: #ececec !important;
+    }
+    html[data-fea-theme="dark"] .entry-content .wrapper a,
+    html[data-fea-theme="dark"] .entry-content .wrapper a:visited {
+        color: #ececec !important;
+    }
+    html[data-fea-theme="dark"] .entry-content .wrapper a:hover {
+        color: <?php echo esc_html($accent_dark); ?> !important;
+    }
+
     /* Selector de idioma (fea-homepage.php) */
     html[data-fea-theme="dark"] #fea-lang-btn { border-color: rgba(255,255,255,0.3); }
     html[data-fea-theme="dark"] #fea-lang-btn:hover,
@@ -240,6 +352,10 @@ add_action('wp_footer', function () {
     ?>
     <script>
     (function() {
+        // El footer puede renderizarse más de una vez en algunos templates FSE.
+        // Evitamos crear un segundo toggle en ese caso.
+        if (document.getElementById('fea-theme-btn')) return;
+
         var btn = document.createElement('button');
         btn.id = 'fea-theme-btn';
         btn.type = 'button';