diff --git a/manifest.yaml b/manifest.yaml
index 2156b2e..62c7e70 100644
--- a/manifest.yaml
+++ b/manifest.yaml
@@ -117,6 +117,17 @@ css:
        Dual-mode: light = paper teletype, dark = phosphor CRT.
        ============================================================ */
 
+    /* Bundled mono faces. The host does not yet emit @font-face for
+     * bundled_fonts (LoadedPlugin.BundledFonts is unconsumed), so the theme
+     * declares its own faces against the served artifact paths
+     * (/templates/terminal/fonts/...). Presets set typography.fontHeading/
+     * body/mono to template:terminal:<Family> so --font-heading/body/mono
+     * resolve to these families. JetBrains Mono is one variable-weight file
+     * (400–700); IBM Plex Mono ships 400 + 500. */
+    @font-face { font-family: 'JetBrains Mono'; src: url('/templates/terminal/fonts/jetbrains-mono-latin.woff2') format('woff2'); font-weight: 400 700; font-style: normal; font-display: swap; }
+    @font-face { font-family: 'IBM Plex Mono'; src: url('/templates/terminal/fonts/ibm-plex-mono-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
+    @font-face { font-family: 'IBM Plex Mono'; src: url('/templates/terminal/fonts/ibm-plex-mono-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
+
     /* --- Globals: square corners, mono stack ------------------ */
 
     :root { --radius: 0; }
diff --git a/presets.json b/presets.json
index a7c30b9..067e9bd 100644
--- a/presets.json
+++ b/presets.json
@@ -5,6 +5,11 @@
     "description": "Green printer-ribbon on paper for light, VT220 green phosphor for dark. The flagship terminal look.",
     "theme": {
       "mode": "both",
+      "typography": {
+        "fontHeading": "template:terminal:JetBrains Mono",
+        "fontBody": "template:terminal:IBM Plex Mono",
+        "fontMono": "template:terminal:JetBrains Mono"
+      },
       "lightColors": {
         "background": "60 20% 97%",
         "foreground": "120 30% 12%",
@@ -55,6 +60,11 @@
     "description": "Warm cream paper with amber ribbon for light, amber phosphor on warm black for dark.",
     "theme": {
       "mode": "both",
+      "typography": {
+        "fontHeading": "template:terminal:JetBrains Mono",
+        "fontBody": "template:terminal:IBM Plex Mono",
+        "fontMono": "template:terminal:JetBrains Mono"
+      },
       "lightColors": {
         "background": "40 30% 96%",
         "foreground": "30 25% 15%",
@@ -105,6 +115,11 @@
     "description": "Crisp black-on-white docs for light with a blue link accent, hard white on black for dark. Austere, no glow.",
     "theme": {
       "mode": "both",
+      "typography": {
+        "fontHeading": "template:terminal:JetBrains Mono",
+        "fontBody": "template:terminal:IBM Plex Mono",
+        "fontMono": "template:terminal:JetBrains Mono"
+      },
       "lightColors": {
         "background": "0 0% 100%",
         "foreground": "0 0% 10%",
@@ -155,6 +170,11 @@
     "description": "Cool slate-on-white for light with a teal accent, cyan phosphor on blue-black for dark.",
     "theme": {
       "mode": "both",
+      "typography": {
+        "fontHeading": "template:terminal:JetBrains Mono",
+        "fontBody": "template:terminal:IBM Plex Mono",
+        "fontMono": "template:terminal:JetBrains Mono"
+      },
       "lightColors": {
         "background": "200 30% 97%",
         "foreground": "200 40% 14%",
@@ -205,6 +225,11 @@
     "description": "Ink-on-white with a magenta accent for light, magenta phosphor on black for dark.",
     "theme": {
       "mode": "both",
+      "typography": {
+        "fontHeading": "template:terminal:JetBrains Mono",
+        "fontBody": "template:terminal:IBM Plex Mono",
+        "fontMono": "template:terminal:JetBrains Mono"
+      },
       "lightColors": {
         "background": "320 20% 98%",
         "foreground": "320 30% 14%",