add backend

front/src/components/ui/button.tsx

@@ -0,0 +1,36 @@
+import * as React from "react"
+import { cn } from "@/src/lib/utils"
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  variant?: "default" | "outline" | "ghost" | "glass"
+  size?: "default" | "sm" | "lg" | "icon"
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant = "default", size = "default", ...props }, ref) => {
+    return (
+      <button
+        className={cn(
+          "inline-flex items-center justify-center whitespace-nowrap rounded-xl text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+          {
+            "bg-[#336EFF] text-white hover:bg-[#2958cc] shadow-md shadow-[#336EFF]/20": variant === "default",
+            "border border-white/20 bg-transparent hover:bg-white/10 text-white": variant === "outline",
+            "hover:bg-white/10 text-white": variant === "ghost",
+            "glass-panel hover:bg-white/10 text-white": variant === "glass",
+            "h-10 px-4 py-2": size === "default",
+            "h-9 rounded-lg px-3": size === "sm",
+            "h-11 rounded-xl px-8": size === "lg",
+            "h-10 w-10": size === "icon",
+          },
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Button.displayName = "Button"
+
+export { Button }