diff --git a/packages/expo-atlas-ui/app/_layout.tsx b/packages/expo-atlas-ui/app/_layout.tsx
index ba104a4..dc0c71e 100644
--- a/packages/expo-atlas-ui/app/_layout.tsx
+++ b/packages/expo-atlas-ui/app/_layout.tsx
@@ -1,5 +1,3 @@
-import '~/global.css';
-
 import { Slot } from 'expo-router';
 
 import { BundleProvider } from '~/providers/bundle';
@@ -9,27 +7,6 @@ import { ThemeProvider } from '~/providers/theme';
 import { ToastProvider } from '~/ui/Toast';
 import { TooltipProvider } from '~/ui/Tooltip';
 
-// Import the Expo-required radix styles
-import '@radix-ui/colors/green.css';
-import '@radix-ui/colors/greenDark.css';
-import '@radix-ui/colors/yellow.css';
-import '@radix-ui/colors/yellowDark.css';
-import '@radix-ui/colors/red.css';
-import '@radix-ui/colors/redDark.css';
-import '@radix-ui/colors/blue.css';
-import '@radix-ui/colors/blueDark.css';
-import '@radix-ui/colors/orange.css';
-import '@radix-ui/colors/orangeDark.css';
-import '@radix-ui/colors/purple.css';
-import '@radix-ui/colors/purpleDark.css';
-import '@radix-ui/colors/pink.css';
-import '@radix-ui/colors/pinkDark.css';
-import '@radix-ui/colors/slate.css';
-import '@radix-ui/colors/slateDark.css';
-// NOTE(cedric): these are not imported by `@expo/styleguide/dist/expo-theme.css`, but they are required for the syntax highlighting
-import '@radix-ui/colors/gray.css';
-import '@radix-ui/colors/grayDark.css';
-
 export default function RootLayout() {
   return (
     <QueryProvider>
diff --git a/packages/expo-atlas-ui/providers/theme.tsx b/packages/expo-atlas-ui/providers/theme.tsx
index 4d5775c..ea2cbd7 100644
--- a/packages/expo-atlas-ui/providers/theme.tsx
+++ b/packages/expo-atlas-ui/providers/theme.tsx
@@ -1,16 +1,21 @@
-import { useColorScheme } from 'nativewind';
-import { useEffect, type PropsWithChildren } from 'react';
+import '~/styles/global.css';
+import '~/styles/expo-dark.css';
 
-export function ThemeProvider({ children }: PropsWithChildren) {
-  const { colorScheme } = useColorScheme();
+// Import the Expo-required radix styles
+import '@radix-ui/colors/greenDark.css';
+import '@radix-ui/colors/yellowDark.css';
+import '@radix-ui/colors/redDark.css';
+import '@radix-ui/colors/blueDark.css';
+import '@radix-ui/colors/orangeDark.css';
+import '@radix-ui/colors/purpleDark.css';
+import '@radix-ui/colors/pinkDark.css';
+import '@radix-ui/colors/slateDark.css';
+// NOTE(cedric): these are not imported by `@expo/styleguide/dist/expo-theme.css`, but they are required for the syntax highlighting
+import '@radix-ui/colors/grayDark.css';
 
-  useEffect(() => {
-    // Keep the prefered color scheme synced with the `body` class name
-    if (document.body && colorScheme) {
-      document.body.classList.remove('light-theme', 'dark-theme');
-      document.body.className = `${colorScheme}-theme`;
-    }
-  }, [colorScheme]);
+import type { PropsWithChildren } from 'react';
 
+export function ThemeProvider({ children }: PropsWithChildren) {
+  // This provider only imports styling, doesn't need to interact with the React tree
   return children;
 }
diff --git a/packages/expo-atlas-ui/styles/expo-dark.css b/packages/expo-atlas-ui/styles/expo-dark.css
new file mode 100644
index 0000000..6dd16bd
--- /dev/null
+++ b/packages/expo-atlas-ui/styles/expo-dark.css
@@ -0,0 +1,270 @@
+@import "@radix-ui/colors/green.css";
+@import "@radix-ui/colors/greenDark.css";
+@import "@radix-ui/colors/yellow.css";
+@import "@radix-ui/colors/yellowDark.css";
+@import "@radix-ui/colors/red.css";
+@import "@radix-ui/colors/redDark.css";
+@import "@radix-ui/colors/blue.css";
+@import "@radix-ui/colors/blueDark.css";
+@import "@radix-ui/colors/orange.css";
+@import "@radix-ui/colors/orangeDark.css";
+@import "@radix-ui/colors/purple.css";
+@import "@radix-ui/colors/purpleDark.css";
+@import "@radix-ui/colors/pink.css";
+@import "@radix-ui/colors/pinkDark.css";
+@import "@radix-ui/colors/slate.css";
+@import "@radix-ui/colors/slateDark.css";
+
+:root {
+  --expo-color-white: #fff;
+  --expo-color-black: #000;
+
+  /* App Icon Backgrounds */
+  --expo-color-app-cyan: #07c0cb;
+  --expo-color-app-light-blue: #1e92c4;
+  --expo-color-app-dark-blue: #0b67af;
+  --expo-color-app-indigo: #4b50b2;
+  --expo-color-app-purple: #8945a3;
+  --expo-color-app-pink: #c04891;
+  --expo-color-app-orange: #e96d3c;
+  --expo-color-app-gold: #f38f2f;
+  --expo-color-app-yellow: #eebc01;
+  --expo-color-app-lime: #aabd04;
+  --expo-color-app-light-green: #6aa72a;
+  --expo-color-app-dark-green: #3a8e39;
+
+  /* Backgrounds */
+  --expo-theme-background-default: var(--expo-color-white);
+  --expo-theme-background-screen: var(--slate1);
+  --expo-theme-background-subtle: var(--slate2);
+  --expo-theme-background-element: var(--slate3);
+  --expo-theme-background-hover: var(--slate4);
+  --expo-theme-background-selected: var(--slate5);
+  --expo-theme-background-overlay: var(--expo-color-white);
+  --expo-theme-background-success: var(--green3);
+  --expo-theme-background-warning: var(--yellow3);
+  --expo-theme-background-danger: var(--red3);
+  --expo-theme-background-info: var(--blue3);
+
+  /* Icons */
+  --expo-theme-icon-default: var(--slate11);
+  --expo-theme-icon-secondary: var(--slate10);
+  --expo-theme-icon-tertiary: var(--slate9);
+  --expo-theme-icon-quaternary: var(--slate8);
+  --expo-theme-icon-success: var(--green10);
+  --expo-theme-icon-warning: var(--yellow11);
+  --expo-theme-icon-danger: var(--red10);
+  --expo-theme-icon-info: var(--blue10);
+
+  /* Text */
+  --expo-theme-text-default: var(--slate12);
+  --expo-theme-text-secondary: var(--slate11);
+  --expo-theme-text-tertiary: var(--slate10);
+  --expo-theme-text-quaternary: var(--slate9);
+  --expo-theme-text-link: var(--blue11);
+  --expo-theme-text-success: var(--green11);
+  --expo-theme-text-warning: var(--yellow11);
+  --expo-theme-text-danger: var(--red11);
+  --expo-theme-text-info: var(--blue11);
+
+  /* Borders */
+  --expo-theme-border-default: var(--slate7);
+  --expo-theme-border-secondary: var(--slate6);
+  --expo-theme-border-success: var(--green7);
+  --expo-theme-border-warning: var(--yellow7);
+  --expo-theme-border-danger: var(--red7);
+  --expo-theme-border-info: var(--blue7);
+
+  /* Buttons */
+  --expo-theme-button-primary-background: var(--blue10);
+  --expo-theme-button-primary-border: var(--blue10);
+  --expo-theme-button-primary-hover: var(--blue11);
+  --expo-theme-button-primary-icon: var(--blue3);
+  --expo-theme-button-primary-text: var(--expo-color-white);
+  --expo-theme-button-primary-disabled-background: var(--blue7);
+  --expo-theme-button-primary-disabled-border: var(--blue7);
+  --expo-theme-button-primary-disabled-text: var(--expo-color-white);
+
+  --expo-theme-button-secondary-background: var(--expo-color-white);
+  --expo-theme-button-secondary-border: var(--slate8);
+  --expo-theme-button-secondary-hover: var(--slate3);
+  --expo-theme-button-secondary-icon: var(--slate11);
+  --expo-theme-button-secondary-text: var(--slate12);
+  --expo-theme-button-secondary-disabled-background: var(--expo-color-white);
+  --expo-theme-button-secondary-disabled-border: var(--slate6);
+  --expo-theme-button-secondary-disabled-text: var(--slate9);
+
+  --expo-theme-button-tertiary-background: transparent;
+  --expo-theme-button-tertiary-border: transparent;
+  --expo-theme-button-tertiary-hover: var(--blue4);
+  --expo-theme-button-tertiary-icon: var(--blue9);
+  --expo-theme-button-tertiary-text: var(--blue10);
+  --expo-theme-button-tertiary-disabled-background: transparent;
+  --expo-theme-button-tertiary-disabled-border: transparent;
+  --expo-theme-button-tertiary-disabled-text: var(--blue8);
+
+  --expo-theme-button-quaternary-background: transparent;
+  --expo-theme-button-quaternary-border: transparent;
+  --expo-theme-button-quaternary-hover: var(--slate4);
+  --expo-theme-button-quaternary-icon: var(--slate11);
+  --expo-theme-button-quaternary-text: var(--slate12);
+  --expo-theme-button-quaternary-disabled-background: transparent;
+  --expo-theme-button-quaternary-disabled-border: transparent;
+  --expo-theme-button-quaternary-disabled-text: var(--slate9);
+
+  --expo-theme-button-primary-destructive-background: var(--red10);
+  --expo-theme-button-primary-destructive-border: var(--red10);
+  --expo-theme-button-primary-destructive-hover: var(--red11);
+  --expo-theme-button-primary-destructive-icon: var(--red3);
+  --expo-theme-button-primary-destructive-text: var(--expo-color-white);
+  --expo-theme-button-primary-destructive-disabled-background: var(--red7);
+  --expo-theme-button-primary-destructive-disabled-border: var(--red7);
+  --expo-theme-button-primary-destructive-disabled-text: var(--expo-color-white);
+
+  --expo-theme-button-secondary-destructive-background: var(--expo-color-white);
+  --expo-theme-button-secondary-destructive-border: var(--red7);
+  --expo-theme-button-secondary-destructive-hover: var(--red3);
+  --expo-theme-button-secondary-destructive-icon: var(--red9);
+  --expo-theme-button-secondary-destructive-text: var(--red11);
+  --expo-theme-button-secondary-destructive-disabled-background: var(--expo-color-white);
+  --expo-theme-button-secondary-destructive-disabled-border: var(--red5);
+  --expo-theme-button-secondary-destructive-disabled-text: var(--red8);
+
+  /* Light shadows */
+  --expo-theme-shadows-none: 0 0 transparent;
+  --expo-theme-shadows-xs: 0 1px 3px rgba(0, 0, 0, 0.025),
+    0 1px 2px rgba(0, 0, 0, 0.05);
+  --expo-theme-shadows-sm: 0 3px 6px rgba(0, 0, 0, 0.08),
+    0 2px 4px rgba(0, 0, 0, 0.07);
+  --expo-theme-shadows-md: 0 10px 20px rgba(0, 0, 0, 0.1),
+    0 3px 6px rgba(0, 0, 0, 0.05);
+  --expo-theme-shadows-lg: 0 15px 25px rgba(0, 0, 0, 0.12),
+    0 5px 10px rgba(0, 0, 0, 0.05);
+  --expo-theme-shadows-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
+
+  /* Heading Font sizing */
+  --expo-theme-heading-base-font-size: 12px;
+}
+
+.dark-theme {
+  /* Backgrounds */
+  --expo-theme-background-default: var(--slate1);
+  --expo-theme-background-screen: #0C0D0E;
+  --expo-theme-background-subtle: var(--slate2);
+  --expo-theme-background-element: var(--slate3);
+  --expo-theme-background-hover: var(--slate4);
+  --expo-theme-background-selected: var(--slate5);
+  --expo-theme-background-overlay: var(--slate2);
+  --expo-theme-background-success: var(--green3);
+  --expo-theme-background-warning: var(--yellow3);
+  --expo-theme-background-danger: var(--red3);
+  --expo-theme-background-info: var(--blue3);
+
+  /* Icons */
+  --expo-theme-icon-default: var(--slate11);
+  --expo-theme-icon-secondary: var(--slate10);
+  --expo-theme-icon-tertiary: var(--slate9);
+  --expo-theme-icon-quaternary: var(--slate8);
+  --expo-theme-icon-success: var(--green10);
+  --expo-theme-icon-warning: var(--yellow11);
+  --expo-theme-icon-danger: var(--red10);
+  --expo-theme-icon-info: var(--blue10);
+
+  /* Text */
+  --expo-theme-text-default: var(--slate12);
+  --expo-theme-text-secondary: var(--slate11);
+  --expo-theme-text-tertiary: var(--slate10);
+  --expo-theme-text-quaternary: var(--slate9);
+  --expo-theme-text-link: var(--blue11);
+  --expo-theme-text-success: var(--green11);
+  --expo-theme-text-warning: var(--yellow11);
+  --expo-theme-text-danger: var(--red11);
+  --expo-theme-text-info: var(--blue11);
+
+  /* Borders */
+  --expo-theme-border-default: var(--slate7);
+  --expo-theme-border-secondary: var(--slate6);
+  --expo-theme-border-success: var(--green7);
+  --expo-theme-border-warning: var(--yellow7);
+  --expo-theme-border-danger: var(--red7);
+  --expo-theme-border-info: var(--blue7);
+
+  /* Buttons */
+  --expo-theme-button-primary-background: var(--blue8);
+  --expo-theme-button-primary-border: var(--blue8);
+  --expo-theme-button-primary-hover: var(--blue7);
+  --expo-theme-button-primary-icon: var(--blue12);
+  --expo-theme-button-primary-text: var(--expo-color-white);
+  --expo-theme-button-primary-disabled-background: var(--blue7);
+  --expo-theme-button-primary-disabled-border: var(--blue7);
+  --expo-theme-button-primary-disabled-text: var(--slate11);
+
+  --expo-theme-button-secondary-background: var(--slate3);
+  --expo-theme-button-secondary-border: var(--slate8);
+  --expo-theme-button-secondary-hover: var(--slate4);
+  --expo-theme-button-secondary-icon: var(--slate12);
+  --expo-theme-button-secondary-text: var(--expo-color-white);
+  --expo-theme-button-secondary-disabled-background: var(--slate1);
+  --expo-theme-button-secondary-disabled-border: var(--slate7);
+  --expo-theme-button-secondary-disabled-text: var(--slate11);
+
+  --expo-theme-button-tertiary-background: transparent;
+  --expo-theme-button-tertiary-border: transparent;
+  --expo-theme-button-tertiary-hover: var(--blue4);
+  --expo-theme-button-tertiary-icon: var(--blue10);
+  --expo-theme-button-tertiary-text: var(--blue11);
+  --expo-theme-button-tertiary-disabled-background: transparent;
+  --expo-theme-button-tertiary-disabled-border: transparent;
+  --expo-theme-button-tertiary-disabled-text: var(--blue9);
+
+  --expo-theme-button-quaternary-background: transparent;
+  --expo-theme-button-quaternary-border: transparent;
+  --expo-theme-button-quaternary-hover: var(--slate4);
+  --expo-theme-button-quaternary-icon: var(--slate12);
+  --expo-theme-button-quaternary-text: var(--expo-color-white);
+  --expo-theme-button-quaternary-disabled-background: transparent;
+  --expo-theme-button-quaternary-disabled-border: transparent;
+  --expo-theme-button-quaternary-disabled-text: var(--slate11);
+
+  --expo-theme-button-primary-destructive-background: var(--red8);
+  --expo-theme-button-primary-destructive-border: var(--red8);
+  --expo-theme-button-primary-destructive-hover: var(--red7);
+  --expo-theme-button-primary-destructive-icon: var(--red12);
+  --expo-theme-button-primary-destructive-text: var(--expo-color-white);
+  --expo-theme-button-primary-destructive-disabled-background: var(--red6);
+  --expo-theme-button-primary-destructive-disabled-border: var(--red6);
+  --expo-theme-button-primary-destructive-disabled-text: var(--red12);
+
+  --expo-theme-button-secondary-destructive-background: var(--red3);
+  --expo-theme-button-secondary-destructive-border: var(--red7);
+  --expo-theme-button-secondary-destructive-hover: var(--red2);
+  --expo-theme-button-secondary-destructive-icon: var(--red9);
+  --expo-theme-button-secondary-destructive-text: var(--red11);
+  --expo-theme-button-secondary-destructive-disabled-background: var(--red2);
+  --expo-theme-button-secondary-destructive-disabled-border: var(--red6);
+  --expo-theme-button-secondary-destructive-disabled-text: var(--red10);
+
+  /* Dark shadows */
+  --expo-theme-shadows-none: 0 0 transparent;
+  --expo-theme-shadows-xs: 0 1px 3px rgba(0, 0, 0, 0.3),
+    0 1px 2px rgba(0, 0, 0, 0.3);
+  --expo-theme-shadows-sm: 0 3px 6px rgba(0, 0, 0, 0.4),
+    0 2px 4px rgba(0, 0, 0, 0.25);
+  --expo-theme-shadows-md: 0 10px 20px rgba(0, 0, 0, 0.25),
+    0 3px 6px rgba(0, 0, 0, 0.25);
+  --expo-theme-shadows-lg: 0 15px 25px rgba(0, 0, 0, 0.5),
+    0 5px 10px rgba(0, 0, 0, 0.25);
+  --expo-theme-shadows-xl: 0 20px 40px rgba(0, 0, 0, 0.5);
+}
+
+@media (min-width: 401px) {
+  :root {
+    --expo-theme-heading-base-font-size: 14px;
+  }
+}
+
+@media (min-width: 901px) {
+  :root {
+    --expo-theme-heading-base-font-size: 16px;
+  }
+}
diff --git a/packages/expo-atlas-ui/global.css b/packages/expo-atlas-ui/styles/global.css
similarity index 100%
rename from packages/expo-atlas-ui/global.css
rename to packages/expo-atlas-ui/styles/global.css