diff --git a/internal/web/static/settings.js b/internal/web/static/settings.js
index 961ff83..17eca0d 100644
--- a/internal/web/static/settings.js
+++ b/internal/web/static/settings.js
@@ -73,7 +73,10 @@
     });
     btn.addEventListener('click', function () {
       var dark = state().dark;
-      document.documentElement.dataset.preset = dark ? t.id + '-dark' : t.id;
+      // #294: use the generic variant resolvers - midnight is dark-first
+      // (dark preset = 'midnight', light = 'midnight-light'), so a raw
+      // t.id + '-dark' build landed on nonexistent/forced-dark presets.
+      document.documentElement.dataset.preset = dark ? darkPreset(t.id) : lightPreset(t.id);
       try { localStorage.setItem('palette-theme', t.id); } catch (e) {}
       Object.keys(cards).forEach(function (k) { cards[k].setAttribute('aria-pressed', 'false'); });
       btn.setAttribute('aria-pressed', 'true');