feat(theme): add theme switcher component with radio group for light, dark, system modes and skeleton loading state

package.json

@@ -9,6 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@radix-ui/react-radio-group": "^1.2.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.474.0",

src/app/globals.css

@@ -19,10 +19,10 @@
     --accent: 240 4.8% 95.9%;
     --accent-foreground: 240 5.9% 10%;
     --destructive: 0 84.2% 60.2%;
-    --destructive-foreground: 0 0% 98%;
+    --destructive-foreground: 0 0% 100%;
     --border: 240 5.9% 90%;
-    --input: 240 5.9% 90%;
+    --input: 240 4.9% 83.9%;
-    --ring: 240 10% 3.9%;
+    --ring: 240 5% 64.9%;
     --chart-1: 12 76% 61%;
     --chart-2: 173 58% 39%;
     --chart-3: 197 37% 24%;
@@ -41,15 +41,15 @@
     --primary-foreground: 240 5.9% 10%;
     --secondary: 240 3.7% 15.9%;
     --secondary-foreground: 0 0% 98%;
-    --muted: 240 3.7% 15.9%;
+    --muted: 240 5.9% 10%;
-    --muted-foreground: 240 5% 64.9%;
+    --muted-foreground: 240 4.4% 58%;
-    --accent: 240 3.7% 15.9%;
+    --accent: 240 5.9% 10%;
     --accent-foreground: 0 0% 98%;
-    --destructive: 0 62.8% 30.6%;
+    --destructive: 0 84.2% 60.2%;
-    --destructive-foreground: 0 0% 98%;
+    --destructive-foreground: 0 0% 100%;
     --border: 240 3.7% 15.9%;
     --input: 240 3.7% 15.9%;
-    --ring: 240 4.9% 83.9%;
+    --ring: 240 3.8% 46.1%;
     --chart-1: 220 70% 50%;
     --chart-2: 160 60% 45%;
     --chart-3: 30 80% 55%;
@@ -57,6 +57,7 @@
     --chart-5: 340 75% 55%;
   }
 }
+
 @layer base {
   * {
     @apply border-border;

src/components/ui/radio-group.tsx

@@ -0,0 +1,51 @@
+"use client";
+
+import * as RadioGroupPrimitive from "@radix-ui/react-radio-group";
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+const RadioGroup = React.forwardRef<
+  React.ElementRef<typeof RadioGroupPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof RadioGroupPrimitive.Root>
+>(({ className, ...props }, ref) => {
+  return (
+    <RadioGroupPrimitive.Root
+      className={cn("grid gap-3", className)}
+      {...props}
+      ref={ref}
+    />
+  );
+});
+RadioGroup.displayName = RadioGroupPrimitive.Root.displayName;
+
+const RadioGroupItem = React.forwardRef<
+  React.ElementRef<typeof RadioGroupPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof RadioGroupPrimitive.Item>
+>(({ className, ...props }, ref) => {
+  return (
+    <RadioGroupPrimitive.Item
+      ref={ref}
+      className={cn(
+        "aspect-square size-4 rounded-full border border-input shadow-sm shadow-black/5 outline-offset-2 focus-visible:outline focus-visible:outline-2 focus-visible:outline-ring/70 disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:border-primary data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
+        className
+      )}
+      {...props}
+    >
+      <RadioGroupPrimitive.Indicator className="flex items-center justify-center text-current">
+        <svg
+          width="6"
+          height="6"
+          viewBox="0 0 6 6"
+          fill="currentcolor"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <circle cx="3" cy="3" r="3" />
+        </svg>
+      </RadioGroupPrimitive.Indicator>
+    </RadioGroupPrimitive.Item>
+  );
+});
+RadioGroupItem.displayName = RadioGroupPrimitive.Item.displayName;
+
+export { RadioGroup, RadioGroupItem };

src/components/ui/skeleton.tsx

@@ -0,0 +1,15 @@
+import { cn } from "@/lib/utils";
+
+function Skeleton({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      className={cn("animate-pulse rounded-md bg-primary/10", className)}
+      {...props}
+    />
+  );
+}
+
+export { Skeleton };