setup shaddn library

frontend/components.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": false,
+  "tsx": false,
+  "tailwind": {
+    "config": "tailwind.config.js",
+    "css": "src/index.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "iconLibrary": "lucide",
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "registries": {}
+}

frontend/jsconfig.json

@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*"]
+}

frontend/package.json

@@ -10,18 +10,24 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@tailwindcss/vite": "^4.1.16",
+    "@radix-ui/react-slot": "^1.2.4",
+    "@tailwindcss/vite": "^4.1.17",
     "axios": "^1.13.2",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
     "lucide-react": "^0.552.0",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",
     "react-hot-toast": "^2.6.0",
     "react-icons": "^5.5.0",
     "react-router-dom": "^7.9.5",
-    "socket.io-client": "^4.8.1"
+    "socket.io-client": "^4.8.1",
+    "tailwind-merge": "^3.4.0",
+    "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
     "@eslint/js": "^9.36.0",
+    "@types/node": "^24.10.1",
     "@types/react": "^19.1.16",
     "@types/react-dom": "^19.1.9",
     "@vitejs/plugin-react": "^5.0.4",
@@ -31,7 +37,7 @@
     "eslint-plugin-react-refresh": "^0.4.22",
     "globals": "^16.4.0",
     "postcss": "^8.5.6",
-    "tailwindcss": "^4.1.16",
+    "tailwindcss": "^4.1.17",
     "vite": "^7.1.7"
   }
 }

frontend/src/components/ui/button.jsx

@@ -0,0 +1,48 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva } from "class-variance-authority";
+
+import { cn } from "@/lib/utils"
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default:
+          "bg-primary text-primary-foreground shadow hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-9 px-4 py-2",
+        sm: "h-8 rounded-md px-3 text-xs",
+        lg: "h-10 rounded-md px-8",
+        icon: "h-9 w-9",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+const Button = React.forwardRef(({ className, variant, size, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+  return (
+    <Comp
+      className={cn(buttonVariants({ variant, size, className }))}
+      ref={ref}
+      {...props} />
+  );
+})
+Button.displayName = "Button"
+
+export { Button, buttonVariants }

frontend/src/dashboard/Leaderboard.jsx

@@ -1,5 +1,6 @@
 import React, { useState } from 'react';
 import { Trophy, Award, TrendingUp, Clock, Zap } from 'lucide-react';
+import { Button } from "@/components/ui/button"
 
 const Leaderboard = () => {
   const [darkMode, setDarkMode] = useState(false);
@@ -78,6 +79,7 @@ const Leaderboard = () => {
           </p>
 
           {/* Dark Mode Toggle */}
+          <Button variant="outline">Button shadcn/ui</Button>
           <button
             onClick={() => setDarkMode(!darkMode)}
             style={{

frontend/src/index.css

@@ -1,4 +1,9 @@
 @import "tailwindcss";
+
+@plugin "tailwindcss-animate";
+@import "tw-animate-css";
+
+@custom-variant dark (&:is(.dark *));
 @layer base {
   /* default text color */
   body { @apply text-gray-900 dark:text-gray-100; }
@@ -53,3 +58,21 @@
         .animate-scale-in {
           animation: scale-in 0.2s ease-out;
         }
+
+        @theme inline { --radius-sm: calc(var(--radius) - 4px); --radius-md: calc(var(--radius) - 2px); --radius-lg: var(--radius); --radius-xl: calc(var(--radius) + 4px); --color-background: var(--background); --color-foreground: var(--foreground); --color-card: var(--card); --color-card-foreground: var(--card-foreground); --color-popover: var(--popover); --color-popover-foreground: var(--popover-foreground); --color-primary: var(--primary); --color-primary-foreground: var(--primary-foreground); --color-secondary: var(--secondary); --color-secondary-foreground: var(--secondary-foreground); --color-muted: var(--muted); --color-muted-foreground: var(--muted-foreground); --color-accent: var(--accent); --color-accent-foreground: var(--accent-foreground); --color-destructive: var(--destructive); --color-border: var(--border); --color-input: var(--input); --color-ring: var(--ring); --color-chart-1: var(--chart-1); --color-chart-2: var(--chart-2); --color-chart-3: var(--chart-3); --color-chart-4: var(--chart-4); --color-chart-5: var(--chart-5); --color-sidebar: var(--sidebar); --color-sidebar-foreground: var(--sidebar-foreground); --color-sidebar-primary: var(--sidebar-primary); --color-sidebar-primary-foreground: var(--sidebar-primary-foreground); --color-sidebar-accent: var(--sidebar-accent); --color-sidebar-accent-foreground: var(--sidebar-accent-foreground); --color-sidebar-border: var(--sidebar-border); --color-sidebar-ring: var(--sidebar-ring);
+}
+
+        :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);
+}
+
+        .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);
+}
+
+        /* @layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+} */

frontend/src/lib/utils.js

@@ -0,0 +1,6 @@
+import { clsx } from "clsx";
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs) {
+  return twMerge(clsx(inputs));
+}

frontend/vite.config.js

@@ -1,9 +1,14 @@
-import { defineConfig } from 'vite'
-import tailwindcss from '@tailwindcss/vite'
-import react from '@vitejs/plugin-react'
+import path from "path"
+import tailwindcss from "@tailwindcss/vite"
+import react from "@vitejs/plugin-react"
+import { defineConfig } from "vite"
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [tailwindcss(),
-    react()],
-})
+  plugins: [react(), tailwindcss()],
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+})