update

Frontend/src/shared/components/LoadingButton.tsx

@@ -0,0 +1,52 @@
+import React from 'react';
+import { Loader2 } from 'lucide-react';
+
+interface LoadingButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  isLoading?: boolean;
+  loadingText?: string;
+  children: React.ReactNode;
+  variant?: 'primary' | 'secondary' | 'danger' | 'outline';
+  size?: 'sm' | 'md' | 'lg';
+}
+
+const LoadingButton: React.FC<LoadingButtonProps> = ({
+  isLoading = false,
+  loadingText,
+  children,
+  variant = 'primary',
+  size = 'md',
+  disabled,
+  className = '',
+  ...props
+}) => {
+  const variantStyles = {
+    primary: 'bg-indigo-600 text-white hover:bg-indigo-700 focus:ring-indigo-500',
+    secondary: 'bg-gray-600 text-white hover:bg-gray-700 focus:ring-gray-500',
+    danger: 'bg-red-600 text-white hover:bg-red-700 focus:ring-red-500',
+    outline: 'border-2 border-indigo-600 text-indigo-600 hover:bg-indigo-50 focus:ring-indigo-500',
+  };
+
+  const sizeStyles = {
+    sm: 'px-3 py-1.5 text-sm',
+    md: 'px-4 py-2 text-base',
+    lg: 'px-6 py-3 text-lg',
+  };
+
+  const baseStyles =
+    'inline-flex items-center justify-center font-medium rounded-lg transition-colors focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed';
+
+  return (
+    <button
+      {...props}
+      disabled={disabled || isLoading}
+      className={`${baseStyles} ${variantStyles[variant]} ${sizeStyles[size]} ${className}`}
+      aria-busy={isLoading}
+    >
+      {isLoading && <Loader2 className="w-4 h-4 mr-2 animate-spin" />}
+      {isLoading && loadingText ? loadingText : children}
+    </button>
+  );
+};
+
+export default LoadingButton;
+