diff --git a/public/games/age-of-dwarves/guide/src/ambient.d.ts b/public/games/age-of-dwarves/guide/src/ambient.d.ts
index 8310bb22..7782f21a 100644
--- a/public/games/age-of-dwarves/guide/src/ambient.d.ts
+++ b/public/games/age-of-dwarves/guide/src/ambient.d.ts
@@ -75,3 +75,4 @@ declare module '@/public/resources/*' {
 declare module '@magic-civ/guide-engine/components/climate-sim/polarHexGrid.js' {
   export * from '@magic-civ/guide-engine/components/climate-sim/polarHexGrid'
 }
+
diff --git a/public/games/age-of-dwarves/guide/src/styled-components-augmentation.d.ts b/public/games/age-of-dwarves/guide/src/styled-components-augmentation.d.ts
new file mode 100644
index 00000000..a27de6dc
--- /dev/null
+++ b/public/games/age-of-dwarves/guide/src/styled-components-augmentation.d.ts
@@ -0,0 +1,31 @@
+// Augments the `DefaultTheme` provided by `@lilith/ui-theme` with the
+// race-independent flora palette injected at build time by
+// `src/packages/guide/src/theme/buildTheme.ts`. Biome/ecology views read
+// these as `theme.colors.flora.canopy | undergrowth | fungi`.
+//
+// This file is a module (has an `import`), so the `declare module` block
+// performs declaration merging — NOT an ambient module re-declaration.
+// Keep it separate from `ambient.d.ts` which is a pure ambient file and
+// must stay import-free to register its `declare module '@magic-civ/...'`
+// blocks globally.
+
+import 'styled-components'
+import type { ThemeInterface } from '@lilith/ui-theme'
+
+// `@lilith/ui-theme` sets `DefaultTheme extends ThemeInterface {}`. `colors`
+// is declared there as an inline object literal (not a named interface), so
+// standard interface merging can't add `flora` into it. We instead redeclare
+// `DefaultTheme` here with an intersection that adds `colors.flora` while
+// preserving every other field of `ThemeInterface` (primary/text/etc.).
+// Runtime injection happens in `src/packages/guide/src/theme/buildTheme.ts`.
+declare module 'styled-components' {
+  interface DefaultTheme extends Omit<ThemeInterface, 'colors'> {
+    colors: ThemeInterface['colors'] & {
+      flora: {
+        canopy: string
+        undergrowth: string
+        fungi: string
+      }
+    }
+  }
+}
diff --git a/public/games/age-of-elves/guide/src/styled-components-augmentation.d.ts b/public/games/age-of-elves/guide/src/styled-components-augmentation.d.ts
new file mode 100644
index 00000000..ae547e14
--- /dev/null
+++ b/public/games/age-of-elves/guide/src/styled-components-augmentation.d.ts
@@ -0,0 +1,19 @@
+// Augments the `DefaultTheme` provided by `@lilith/ui-theme` with the
+// race-independent flora palette injected at build time by
+// `src/packages/guide/src/theme/buildTheme.ts`. Biome/ecology views read
+// these as `theme.colors.flora.canopy | undergrowth | fungi`.
+
+import 'styled-components'
+import type { ThemeInterface } from '@lilith/ui-theme'
+
+declare module 'styled-components' {
+  interface DefaultTheme extends Omit<ThemeInterface, 'colors'> {
+    colors: ThemeInterface['colors'] & {
+      flora: {
+        canopy: string
+        undergrowth: string
+        fungi: string
+      }
+    }
+  }
+}
diff --git a/public/games/age-of-kzzkyt/guide/src/styled-components-augmentation.d.ts b/public/games/age-of-kzzkyt/guide/src/styled-components-augmentation.d.ts
new file mode 100644
index 00000000..ae547e14
--- /dev/null
+++ b/public/games/age-of-kzzkyt/guide/src/styled-components-augmentation.d.ts
@@ -0,0 +1,19 @@
+// Augments the `DefaultTheme` provided by `@lilith/ui-theme` with the
+// race-independent flora palette injected at build time by
+// `src/packages/guide/src/theme/buildTheme.ts`. Biome/ecology views read
+// these as `theme.colors.flora.canopy | undergrowth | fungi`.
+
+import 'styled-components'
+import type { ThemeInterface } from '@lilith/ui-theme'
+
+declare module 'styled-components' {
+  interface DefaultTheme extends Omit<ThemeInterface, 'colors'> {
+    colors: ThemeInterface['colors'] & {
+      flora: {
+        canopy: string
+        undergrowth: string
+        fungi: string
+      }
+    }
+  }
+}