first commit

app/components/Button.tsx

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+import type { ReactNode } from "react";
+
+interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  variant?: "primary" | "secondary" | "danger" | "ghost";
+  size?: "sm" | "md" | "lg";
+  children: ReactNode;
+}
+
+export function Button({
+  variant = "primary",
+  size = "md",
+  className = "",
+  children,
+  ...props
+}: ButtonProps) {
+  const baseStyles =
+    "font-medium rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed";
+
+  const variants = {
+    primary: "bg-blue-600 text-white hover:bg-blue-700 active:bg-blue-800",
+    secondary: "bg-gray-200 text-gray-900 hover:bg-gray-300 active:bg-gray-400",
+    danger: "bg-red-600 text-white hover:bg-red-700 active:bg-red-800",
+    ghost: "text-gray-700 hover:bg-gray-100 active:bg-gray-200",
+  };
+
+  const sizes = {
+    sm: "px-3 py-1.5 text-sm",
+    md: "px-4 py-2",
+    lg: "px-6 py-3 text-lg",
+  };
+
+  return (
+    <button
+      className={`${baseStyles} ${variants[variant]} ${sizes[size]} ${className}`}
+      {...props}
+    >
+      {children}
+    </button>
+  );
+}