diff --git a/frontend/js/admin/sections/sims.js b/frontend/js/admin/sections/sims.js
index d5b752d..5055ddc 100644
--- a/frontend/js/admin/sections/sims.js
+++ b/frontend/js/admin/sections/sims.js
@@ -163,10 +163,10 @@
     const linkedSlugs = new Set(tb.map(l => l.ref_id));
     const opts = (_textbooks || [])
       .filter(t => !linkedSlugs.has(t.slug))
-      .map(t => `<option value="${esc(t.slug)}">${esc(t.title)}</option>`).join('');
+      .map(t => `<option value="${esc(t.slug)}" style="background:#fff;color:var(--text)">${esc(t.title)}</option>`).join('');
     html += `<div style="display:flex;gap:6px;align-items:center;flex-wrap:wrap">
-      <select id="simlink-sel-${esc(simId)}" style="flex:1;min-width:180px;font-size:.75rem;padding:5px 8px;border-radius:8px;background:var(--bg-2,#1a1a2e);color:var(--text);border:1px solid var(--border,rgba(255,255,255,.14))">
-        <option value="">— выбрать учебник —</option>${opts}
+      <select id="simlink-sel-${esc(simId)}" style="flex:1;min-width:180px;font-size:.75rem;padding:5px 8px;border-radius:8px;background:#fff;color:var(--text);border:1px solid var(--border)">
+        <option value="" style="background:#fff;color:var(--text)">— выбрать учебник —</option>${opts}
       </select>
       <button onclick="simAddLink('${esc(simId)}')"
         style="font-size:.75rem;padding:5px 12px;border-radius:8px;border:1px solid var(--violet);background:rgba(155,93,229,.15);color:var(--violet);cursor:pointer">Добавить</button>