first commit

apps/docs/components/ui/button.tsx

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+import * as React from 'react';
+import { Slot } from '@radix-ui/react-slot';
+import { cva, type VariantProps } from 'class-variance-authority';
+import { cn } from '@/lib/utils';
+
+const buttonVariants = cva(
+  'inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-xl text-sm font-semibold transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-zinc-400 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0',
+  {
+    variants: {
+      variant: {
+        default:
+          'border border-transparent bg-zinc-900 text-zinc-50 shadow hover:bg-zinc-800 dark:border-zinc-700 dark:bg-zinc-100 dark:text-zinc-900 dark:shadow-none dark:hover:bg-zinc-200',
+        secondary:
+          'bg-zinc-100 text-zinc-900 hover:bg-zinc-200 dark:bg-zinc-800 dark:text-zinc-100 dark:hover:bg-zinc-700',
+        outline:
+          'border border-zinc-300 bg-transparent text-zinc-900 hover:bg-zinc-100 dark:border-zinc-600 dark:bg-transparent dark:text-zinc-100 dark:hover:bg-zinc-800',
+        ghost: 'text-zinc-900 hover:bg-zinc-100 dark:text-zinc-100 dark:hover:bg-zinc-800',
+        link: 'text-zinc-900 underline-offset-4 hover:underline dark:text-zinc-100'
+      },
+      size: {
+        default: 'h-9 px-4 py-2',
+        sm: 'h-8 rounded-lg px-3 text-xs',
+        lg: 'h-11 rounded-xl px-8 text-base',
+        icon: 'h-9 w-9'
+      }
+    },
+    defaultVariants: {
+      variant: 'default',
+      size: 'default'
+    }
+  }
+);
+
+export interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement>, VariantProps<typeof buttonVariants> {
+  asChild?: boolean;
+}
+
+export function Button({ className, variant, size, asChild = false, ...props }: ButtonProps) {
+  const Comp = asChild ? Slot : 'button';
+  return <Comp className={cn(buttonVariants({ variant, size, className }))} {...props} />;
+}