fix(modal): add keyboard close and autofocus

src/components/Modal.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect } from "react";
+import React, { useEffect, useRef } from "react";
 import { X } from "lucide-react";
 import { Card } from "./ui/card";
 import { Button } from "./ui/button";
@@ -23,16 +23,44 @@ export const Modal: React.FC<ModalProps> = ({
   footer,
   maxWidth = "max-w-lg",
 }) => {
-  useEffect(() => {
-    if (isOpen) {
-      document.body.style.overflow = "hidden";
-    } else {
-      document.body.style.overflow = "unset";
-    }
-    return () => {
-      document.body.style.overflow = "unset";
-    };
-  }, [isOpen]);
+  const cardRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === "Escape") {
+        onClose();
+      }
+    };
+
+    if (isOpen) {
+      document.body.style.overflow = "hidden";
+      document.addEventListener("keydown", handleKeyDown);
+    } else {
+      document.body.style.overflow = "unset";
+    }
+    return () => {
+      document.body.style.overflow = "unset";
+      document.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [isOpen, onClose]);
+
+  useEffect(() => {
+    if (!isOpen) return;
+
+    const focusTimer = window.setTimeout(() => {
+      const activeElement = document.activeElement;
+      if (activeElement instanceof HTMLElement && cardRef.current?.contains(activeElement)) {
+        return;
+      }
+
+      const firstTextInput = cardRef.current?.querySelector<HTMLElement>(
+        'input:not([type]), input[type="text"], input[type="search"], input[type="email"], input[type="tel"], input[type="password"], input[type="number"], textarea',
+      );
+      firstTextInput?.focus();
+    }, 0);
+
+    return () => window.clearTimeout(focusTimer);
+  }, [isOpen]);
 
   if (!isOpen) return null;
 
@@ -42,6 +70,7 @@ export const Modal: React.FC<ModalProps> = ({
       onClick={onClose}
     >
       <Card 
+        ref={cardRef}
         className={`flex max-h-[calc(100vh-2rem)] w-full flex-col ${maxWidth} bg-white dark:bg-slate-900 text-slate-900 dark:text-slate-100 border-0 shadow-xl overflow-hidden rounded-2xl`}
         onClick={(e) => e.stopPropagation()}
       >