diff --git a/client/src/App.tsx b/client/src/App.tsx
index 6eb5d24..71c1efb 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -1,5 +1,11 @@
+import { ThemeProvider } from '@/components/theme-provider';
+
 function App() {
-  return <p>Hello world</p>;
+  return (
+    <ThemeProvider defaultTheme="dark" storageKey="vite-ui-theme">
+      <p>Hello world</p>
+    </ThemeProvider>
+  );
 }
 
 export { App };
diff --git a/client/src/components/theme-provider.tsx b/client/src/components/theme-provider.tsx
new file mode 100644
index 0000000..14bc663
--- /dev/null
+++ b/client/src/components/theme-provider.tsx
@@ -0,0 +1,53 @@
+import type { Theme } from '@/hooks/useTheme';
+import { useEffect, useState } from 'react';
+import { ThemeProviderContext } from '@/hooks/useTheme';
+
+interface ThemeProviderProps {
+  children: React.ReactNode;
+  defaultTheme?: Theme;
+  storageKey?: string;
+}
+
+export function ThemeProvider({
+  children,
+  defaultTheme = 'dark',
+  storageKey = 'vite-ui-theme',
+  ...props
+}: ThemeProviderProps) {
+  const [theme, setTheme] = useState<Theme>(
+    () => (localStorage.getItem(storageKey) as Theme) || defaultTheme,
+  );
+
+  useEffect(() => {
+    const root = window.document.documentElement;
+
+    root.classList.remove('light', 'dark');
+
+    if (theme === 'system') {
+      const systemTheme = window.matchMedia('(prefers-color-scheme: dark)')
+        .matches
+        ? 'dark'
+        : 'light';
+
+      root.classList.add(systemTheme);
+      return;
+    }
+
+    root.classList.add(theme);
+  }, [theme]);
+
+  // eslint-disable-next-line react/no-unstable-context-value
+  const value = {
+    theme,
+    setTheme: (theme: Theme) => {
+      localStorage.setItem(storageKey, theme);
+      setTheme(theme);
+    },
+  };
+
+  return (
+    <ThemeProviderContext {...props} value={value}>
+      {children}
+    </ThemeProviderContext>
+  );
+}
diff --git a/client/src/hooks/useTheme.ts b/client/src/hooks/useTheme.ts
new file mode 100644
index 0000000..8479393
--- /dev/null
+++ b/client/src/hooks/useTheme.ts
@@ -0,0 +1,24 @@
+import { createContext, use } from 'react';
+
+export type Theme = 'dark' | 'light' | 'system';
+
+interface ThemeProviderState {
+  theme: Theme;
+  setTheme: (theme: Theme) => void;
+}
+
+const initialState: ThemeProviderState = {
+  theme: 'system',
+  setTheme: () => null,
+};
+
+export const ThemeProviderContext = createContext<ThemeProviderState>(initialState);
+
+export function useTheme() {
+  const context = use(ThemeProviderContext);
+
+  if (context === undefined)
+    throw new Error('useTheme must be used within a ThemeProvider');
+
+  return context;
+}
diff --git a/client/src/index.css b/client/src/index.css
index d6a166c..04c2f50 100644
--- a/client/src/index.css
+++ b/client/src/index.css
@@ -42,75 +42,144 @@
   --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
   --color-sidebar-border: var(--sidebar-border);
   --color-sidebar-ring: var(--sidebar-ring);
+  --font-sans: 'Inter', sans-serif;
+  --font-mono: 'JetBrains Mono', monospace;
+  --font-serif: 'Lora', serif;
+  --radius: 0.5rem;
+  --tracking-tighter: calc(var(--tracking-normal) - 0.05em);
+  --tracking-tight: calc(var(--tracking-normal) - 0.025em);
+  --tracking-wide: calc(var(--tracking-normal) + 0.025em);
+  --tracking-wider: calc(var(--tracking-normal) + 0.05em);
+  --tracking-widest: calc(var(--tracking-normal) + 0.1em);
+  --tracking-normal: var(--tracking-normal);
+  --shadow-2xl: var(--shadow-2xl);
+  --shadow-xl: var(--shadow-xl);
+  --shadow-lg: var(--shadow-lg);
+  --shadow-md: var(--shadow-md);
+  --shadow: var(--shadow);
+  --shadow-sm: var(--shadow-sm);
+  --shadow-xs: var(--shadow-xs);
+  --shadow-2xs: var(--shadow-2xs);
+  --spacing: var(--spacing);
+  --letter-spacing: var(--letter-spacing);
+  --shadow-offset-y: var(--shadow-offset-y);
+  --shadow-offset-x: var(--shadow-offset-x);
+  --shadow-spread: var(--shadow-spread);
+  --shadow-blur: var(--shadow-blur);
+  --shadow-opacity: var(--shadow-opacity);
+  --color-shadow-color: var(--shadow-color);
+  --color-destructive-foreground: var(--destructive-foreground);
 }
 
 :root {
-  --radius: 0.625rem;
-  --background: oklch(1 0 0);
-  --foreground: oklch(0.145 0 0);
-  --card: oklch(1 0 0);
-  --card-foreground: oklch(0.145 0 0);
-  --popover: oklch(1 0 0);
-  --popover-foreground: oklch(0.145 0 0);
-  --primary: oklch(0.205 0 0);
-  --primary-foreground: oklch(0.985 0 0);
-  --secondary: oklch(0.97 0 0);
-  --secondary-foreground: oklch(0.205 0 0);
-  --muted: oklch(0.97 0 0);
-  --muted-foreground: oklch(0.556 0 0);
-  --accent: oklch(0.97 0 0);
-  --accent-foreground: oklch(0.205 0 0);
-  --destructive: oklch(0.577 0.245 27.325);
-  --border: oklch(0.922 0 0);
-  --input: oklch(0.922 0 0);
-  --ring: oklch(0.708 0 0);
-  --chart-1: oklch(0.646 0.222 41.116);
-  --chart-2: oklch(0.6 0.118 184.704);
-  --chart-3: oklch(0.398 0.07 227.392);
-  --chart-4: oklch(0.828 0.189 84.429);
-  --chart-5: oklch(0.769 0.188 70.08);
-  --sidebar: oklch(0.985 0 0);
-  --sidebar-foreground: oklch(0.145 0 0);
-  --sidebar-primary: oklch(0.205 0 0);
-  --sidebar-primary-foreground: oklch(0.985 0 0);
-  --sidebar-accent: oklch(0.97 0 0);
-  --sidebar-accent-foreground: oklch(0.205 0 0);
-  --sidebar-border: oklch(0.922 0 0);
-  --sidebar-ring: oklch(0.708 0 0);
+  --radius: 0.5rem;
+  --background: oklch(0.9816 0.0017 247.8390);
+  --foreground: oklch(0.2621 0.0095 248.1897);
+  --card: oklch(1.0000 0 0);
+  --card-foreground: oklch(0.2621 0.0095 248.1897);
+  --popover: oklch(1.0000 0 0);
+  --popover-foreground: oklch(0.2621 0.0095 248.1897);
+  --primary: oklch(0.5502 0.1193 263.8209);
+  --primary-foreground: oklch(1.0000 0 0);
+  --secondary: oklch(0.7499 0.0898 239.3977);
+  --secondary-foreground: oklch(0.2621 0.0095 248.1897);
+  --muted: oklch(0.9417 0.0052 247.8790);
+  --muted-foreground: oklch(0.5575 0.0165 244.8933);
+  --accent: oklch(0.9417 0.0052 247.8790);
+  --accent-foreground: oklch(0.2621 0.0095 248.1897);
+  --destructive: oklch(0.5915 0.2020 21.2388);
+  --border: oklch(0.9109 0.0070 247.9014);
+  --input: oklch(1.0000 0 0);
+  --ring: oklch(0.5502 0.1193 263.8209);
+  --chart-1: oklch(0.5502 0.1193 263.8209);
+  --chart-2: oklch(0.7499 0.0898 239.3977);
+  --chart-3: oklch(0.4711 0.0998 264.0792);
+  --chart-4: oklch(0.6689 0.0699 240.3096);
+  --chart-5: oklch(0.5107 0.1098 263.6921);
+  --sidebar: oklch(0.9632 0.0034 247.8585);
+  --sidebar-foreground: oklch(0.2621 0.0095 248.1897);
+  --sidebar-primary: oklch(0.5502 0.1193 263.8209);
+  --sidebar-primary-foreground: oklch(1.0000 0 0);
+  --sidebar-accent: oklch(0.9417 0.0052 247.8790);
+  --sidebar-accent-foreground: oklch(0.2621 0.0095 248.1897);
+  --sidebar-border: oklch(0.9109 0.0070 247.9014);
+  --sidebar-ring: oklch(0.5502 0.1193 263.8209);
+  --destructive-foreground: oklch(1.0000 0 0);
+  --font-sans: 'Inter', sans-serif;
+  --font-serif: 'Lora', serif;
+  --font-mono: 'JetBrains Mono', monospace;
+  --shadow-color: #000000;
+  --shadow-opacity: 0.05;
+  --shadow-blur: 0.5rem;
+  --shadow-spread: 0rem;
+  --shadow-offset-x: 0rem;
+  --shadow-offset-y: 0.1rem;
+  --letter-spacing: 0em;
+  --spacing: 0.25rem;
+  --shadow-2xs: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.03);
+  --shadow-xs: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.03);
+  --shadow-sm: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.05), 0rem 1px 2px -1px hsl(0 0% 0% / 0.05);
+  --shadow: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.05), 0rem 1px 2px -1px hsl(0 0% 0% / 0.05);
+  --shadow-md: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.05), 0rem 2px 4px -1px hsl(0 0% 0% / 0.05);
+  --shadow-lg: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.05), 0rem 4px 6px -1px hsl(0 0% 0% / 0.05);
+  --shadow-xl: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.05), 0rem 8px 10px -1px hsl(0 0% 0% / 0.05);
+  --shadow-2xl: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.13);
+  --tracking-normal: 0em;
 }
 
 .dark {
-  --background: oklch(0.145 0 0);
-  --foreground: oklch(0.985 0 0);
-  --card: oklch(0.205 0 0);
-  --card-foreground: oklch(0.985 0 0);
-  --popover: oklch(0.205 0 0);
-  --popover-foreground: oklch(0.985 0 0);
-  --primary: oklch(0.922 0 0);
-  --primary-foreground: oklch(0.205 0 0);
-  --secondary: oklch(0.269 0 0);
-  --secondary-foreground: oklch(0.985 0 0);
-  --muted: oklch(0.269 0 0);
-  --muted-foreground: oklch(0.708 0 0);
-  --accent: oklch(0.269 0 0);
-  --accent-foreground: oklch(0.985 0 0);
-  --destructive: oklch(0.704 0.191 22.216);
-  --border: oklch(1 0 0 / 10%);
-  --input: oklch(1 0 0 / 15%);
-  --ring: oklch(0.556 0 0);
-  --chart-1: oklch(0.488 0.243 264.376);
-  --chart-2: oklch(0.696 0.17 162.48);
-  --chart-3: oklch(0.769 0.188 70.08);
-  --chart-4: oklch(0.627 0.265 303.9);
-  --chart-5: oklch(0.645 0.246 16.439);
-  --sidebar: oklch(0.205 0 0);
-  --sidebar-foreground: oklch(0.985 0 0);
-  --sidebar-primary: oklch(0.488 0.243 264.376);
-  --sidebar-primary-foreground: oklch(0.985 0 0);
-  --sidebar-accent: oklch(0.269 0 0);
-  --sidebar-accent-foreground: oklch(0.985 0 0);
-  --sidebar-border: oklch(1 0 0 / 10%);
-  --sidebar-ring: oklch(0.556 0 0);
+  --background: oklch(0.2270 0.0120 270.8402);
+  --foreground: oklch(0.9067 0 0);
+  --card: oklch(0.2630 0.0127 258.3724);
+  --card-foreground: oklch(0.9067 0 0);
+  --popover: oklch(0.2630 0.0127 258.3724);
+  --popover-foreground: oklch(0.9067 0 0);
+  --primary: oklch(0.5774 0.1248 263.3770);
+  --primary-foreground: oklch(1.0000 0 0);
+  --secondary: oklch(0.7636 0.0866 239.8852);
+  --secondary-foreground: oklch(0.2621 0.0095 248.1897);
+  --muted: oklch(0.3006 0.0156 264.3078);
+  --muted-foreground: oklch(0.7137 0.0192 261.3246);
+  --accent: oklch(0.3006 0.0156 264.3078);
+  --accent-foreground: oklch(0.9067 0 0);
+  --destructive: oklch(0.5915 0.2020 21.2388);
+  --border: oklch(0.3451 0.0133 248.2124);
+  --input: oklch(0.2630 0.0127 258.3724);
+  --ring: oklch(0.5502 0.1193 263.8209);
+  --chart-1: oklch(0.5502 0.1193 263.8209);
+  --chart-2: oklch(0.7499 0.0898 239.3977);
+  --chart-3: oklch(0.4711 0.0998 264.0792);
+  --chart-4: oklch(0.6689 0.0699 240.3096);
+  --chart-5: oklch(0.5107 0.1098 263.6921);
+  --sidebar: oklch(0.2270 0.0120 270.8402);
+  --sidebar-foreground: oklch(0.9067 0 0);
+  --sidebar-primary: oklch(0.5502 0.1193 263.8209);
+  --sidebar-primary-foreground: oklch(1.0000 0 0);
+  --sidebar-accent: oklch(0.3006 0.0156 264.3078);
+  --sidebar-accent-foreground: oklch(0.9067 0 0);
+  --sidebar-border: oklch(0.3451 0.0133 248.2124);
+  --sidebar-ring: oklch(0.5502 0.1193 263.8209);
+  --destructive-foreground: oklch(1.0000 0 0);
+  --radius: 0.5rem;
+  --font-sans: 'Inter', sans-serif;
+  --font-serif: 'Lora', serif;
+  --font-mono: 'JetBrains Mono', monospace;
+  --shadow-color: #000000;
+  --shadow-opacity: 0.3;
+  --shadow-blur: 0.5rem;
+  --shadow-spread: 0rem;
+  --shadow-offset-x: 0rem;
+  --shadow-offset-y: 0.1rem;
+  --letter-spacing: 0em;
+  --spacing: 0.25rem;
+  --shadow-2xs: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.15);
+  --shadow-xs: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.15);
+  --shadow-sm: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.30), 0rem 1px 2px -1px hsl(0 0% 0% / 0.30);
+  --shadow: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.30), 0rem 1px 2px -1px hsl(0 0% 0% / 0.30);
+  --shadow-md: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.30), 0rem 2px 4px -1px hsl(0 0% 0% / 0.30);
+  --shadow-lg: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.30), 0rem 4px 6px -1px hsl(0 0% 0% / 0.30);
+  --shadow-xl: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.30), 0rem 8px 10px -1px hsl(0 0% 0% / 0.30);
+  --shadow-2xl: 0rem 0.1rem 0.5rem 0rem hsl(0 0% 0% / 0.75);
 }
 
 @layer base {
@@ -119,5 +188,6 @@
   }
   body {
     @apply bg-background text-foreground;
+    letter-spacing: var(--tracking-normal);
   }
-}
+}
\ No newline at end of file