Look: Terminal theme (panr/hugo-theme-terminal v4.2.6), adapted to the museum

Theme vendored unmodified in themes/terminal; base, head, header, footer and post templates
rewritten in its markup; museum components restyled in assets/css/museum.css. Embedded forum
threads follow the same colours.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

themes/terminal/layouts/partials/header.html

@@ -0,0 +1,16 @@
+<header class="header">
+  <div class="header__inner">
+    <div class="header__logo">
+      {{ partial "logo.html" . }}
+    </div>
+    {{ if len $.Site.Menus }}
+      {{ partial "mobile-menu.html" . }}
+    {{ end }}
+    {{ if and $.Site.Params.showLanguageSelector (len $.Site.Home.AllTranslations) }}
+      {{ partial "language-menu.html" . }}
+    {{ end }}
+  </div>
+  {{ if len $.Site.Menus }}
+    {{ partial "menu.html" . }}
+  {{ end }}
+</header>