feat(layout): login, uygulama kabuğu, alt menü, hızlı ekle ve dashboard

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/password-input.tsx

@@ -0,0 +1,33 @@
+"use client";
+
+import { Eye, EyeOff } from "lucide-react";
+import { useState } from "react";
+import {
+  InputGroup,
+  InputGroupAddon,
+  InputGroupButton,
+  InputGroupInput,
+} from "@/components/ui/input-group";
+import { tr } from "@/i18n/tr";
+
+/** Göster/gizle düğmeli şifre alanı. */
+export function PasswordInput(props: Omit<React.ComponentProps<typeof InputGroupInput>, "type">) {
+  const [visible, setVisible] = useState(false);
+  const label = visible ? tr.common.hidePassword : tr.common.showPassword;
+  return (
+    <InputGroup>
+      <InputGroupInput type={visible ? "text" : "password"} {...props} />
+      <InputGroupAddon align="inline-end">
+        <InputGroupButton
+          size="icon-xs"
+          aria-label={label}
+          title={label}
+          aria-pressed={visible}
+          onClick={() => setVisible((v) => !v)}
+        >
+          {visible ? <EyeOff /> : <Eye />}
+        </InputGroupButton>
+      </InputGroupAddon>
+    </InputGroup>
+  );
+}