diff --git a/public/assets/css/theme-monochrome.css b/public/assets/css/theme-monochrome.css
index 496fae5..35bca22 100644
--- a/public/assets/css/theme-monochrome.css
+++ b/public/assets/css/theme-monochrome.css
@@ -1,4 +1,15 @@
 @import url('/assets/css/theme-forgejo-dark.css');
+@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Major+Mono+Display&display=swap');
+
+/* Site-wide font override — JetBrains Mono everywhere (matches flexhub-main) */
+:root {
+  --fonts-proportional: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
+  --fonts-monospace:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
+}
+html, body, .ui, .ui.menu, .ui.menu .item, .ui.button, .ui.input input,
+.ui.dropdown, .ui.dropdown .menu > .item, input, textarea, select, button {
+  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace !important;
+}
 
 :root {
   /* Veilor monochrome — security/terminal aesthetic */