Refactor

frontend/src/components/InfoPopup.tsx

@@ -0,0 +1,55 @@
+import { useRef, useCallback, type ReactNode } from 'react';
+import { useClickOutside } from '../hooks/useClickOutside';
+
+interface InfoPopupProps {
+  title: string;
+  children: ReactNode;
+  onClose: () => void;
+  sourceLink?: { label: string; onClick: () => void };
+}
+
+export default function InfoPopup({ title, children, onClose, sourceLink }: InfoPopupProps) {
+  const popupRef = useRef<HTMLDivElement>(null);
+
+  const handleClose = useCallback(() => {
+    onClose();
+  }, [onClose]);
+
+  useClickOutside(popupRef, handleClose);
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/30">
+      <div
+        ref={popupRef}
+        className="bg-white dark:bg-navy-800 border border-warm-200 dark:border-navy-700 rounded-lg shadow-xl max-w-md w-full mx-4 p-5"
+      >
+        <div className="flex items-start justify-between mb-3">
+          <h3 className="text-sm font-semibold text-warm-900 dark:text-warm-100 pr-4">{title}</h3>
+          <button
+            onClick={onClose}
+            className="text-warm-400 hover:text-warm-700 dark:hover:text-warm-300 shrink-0"
+          >
+            <svg
+              className="w-4 h-4"
+              viewBox="0 0 24 24"
+              fill="none"
+              stroke="currentColor"
+              strokeWidth={2}
+            >
+              <path strokeLinecap="round" strokeLinejoin="round" d="M6 18L18 6M6 6l12 12" />
+            </svg>
+          </button>
+        </div>
+        {children}
+        {sourceLink && (
+          <button
+            onClick={sourceLink.onClick}
+            className="text-sm text-teal-600 dark:text-teal-400 hover:text-teal-800 dark:hover:text-teal-300 hover:underline"
+          >
+            {sourceLink.label}
+          </button>
+        )}
+      </div>
+    </div>
+  );
+}