Index: src/views/pages/admin-settings.ejs
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--- src/views/pages/admin-settings.ejs	(revision 6351545b08183045fe69f8d75db78b7e58951786)
+++ src/views/pages/admin-settings.ejs	(revision 6351545b08183045fe69f8d75db78b7e58951786)
@@ -0,0 +1,52 @@
+<div class="container admin-page">
+  <h1>Instellingen</h1>
+  <p class="admin-tagline"><a href="/admin">&larr; Terug naar beheer</a></p>
+
+  <% if (success) { %><div class="alert alert-success"><%= success %></div><% } %>
+
+  <section class="set-card">
+    <h2>Modus</h2>
+    <p class="set-help">
+      Bepaalt hoe deze installatie werkt. Wisselen is veilig: er wordt niets verwijderd —
+      Solo verbergt alleen de multi-onderdelen en toont je primaire site.
+    </p>
+
+    <form method="post" action="/admin/settings" class="set-form">
+      <label class="set-opt">
+        <input type="radio" name="tenancy" value="solo" <%= tenancy === 'solo' ? 'checked' : '' %>>
+        <span>
+          <strong>Solo</strong> — één site (de jouwe).
+          <small>Geen gebruikers-directory, geen site-wissel. Bezoekers kunnen wel met Google inloggen om te reageren.</small>
+        </span>
+      </label>
+      <label class="set-opt">
+        <input type="radio" name="tenancy" value="hub" <%= tenancy === 'hub' ? 'checked' : '' %>>
+        <span>
+          <strong>Hub</strong> — bedrijfssite met <code>/gebruikers</code>.
+          <small>Jij (admin) wijst gebruikers een eigen PrutFolio toe. Gesloten cirkel: geen open registratie.</small>
+        </span>
+      </label>
+      <button type="submit" class="btn btn-primary">Opslaan</button>
+    </form>
+  </section>
+</div>
+
+<style>
+.admin-page { max-width: 700px; margin: 3rem auto; padding: 0 1rem; }
+.admin-page h1 { font-family: var(--font-display, serif); font-size: 2rem; margin: 0 0 0.25rem; }
+.admin-tagline { color: var(--ink-muted); margin: 0 0 2rem; }
+.admin-tagline a { color: var(--accent); }
+.set-card { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 12px; padding: 1.25rem; }
+.set-card h2 { font-family: var(--font-display, serif); font-size: 1.25rem; margin: 0 0 0.5rem; }
+.set-help { color: var(--ink-muted); font-size: 0.9rem; margin: 0 0 1.25rem; }
+.set-form { display: flex; flex-direction: column; gap: 1rem; }
+.set-opt { display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.85rem 1rem; border: 1px solid var(--rule); border-radius: 8px; cursor: pointer; background: var(--paper); }
+.set-opt:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
+.set-opt input { margin-top: 0.25rem; flex-shrink: 0; }
+.set-opt span { display: flex; flex-direction: column; gap: 0.2rem; }
+.set-opt small { color: var(--ink-muted); font-size: 0.82rem; }
+.set-opt code { background: var(--paper-2); padding: 0.05rem 0.35rem; border-radius: 3px; font-size: 0.85em; }
+.set-form .btn { align-self: flex-start; }
+.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
+.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
+</style>