Fix admin login page

- Create proper /admin-login page
- Fix route conflict

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/app/admin/login/page.tsx

@@ -1,18 +1,98 @@
 "use client";
 
-import { useEffect } from "react";
+import { useState, useEffect } from "react";
 import { useRouter } from "next/navigation";
 
-export default function AdminLoginRedirect() {
+export default function AdminLoginPage() {
   const router = useRouter();
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [error, setError] = useState("");
+  const [loading, setLoading] = useState(false);
 
+  // Check if already logged in
   useEffect(() => {
-    router.replace("/admin-login");
+    const token = localStorage.getItem("admin_token");
+    if (token) {
+      router.push("/admin");
+    }
   }, [router]);
 
+  const handleLogin = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!username || !password) return;
+
+    setLoading(true);
+    setError("");
+
+    try {
+      const res = await fetch("/api/admin/auth", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ username, password }),
+      });
+
+      const data = await res.json();
+
+      if (res.ok && data.success) {
+        localStorage.setItem("admin_token", data.token);
+        localStorage.setItem("admin_user", JSON.stringify({ username: data.username, role: data.role }));
+        router.push("/admin");
+      } else {
+        setError(data.error || "Invalid credentials");
+      }
+    } catch (err) {
+      setError("Login failed");
+    } finally {
+      setLoading(false);
+    }
+  };
+
   return (
-    <div className="min-h-screen flex items-center justify-center bg-gray-900">
-      <div className="text-white">Redirecting...</div>
+    <div className="min-h-screen bg-gray-900 flex items-center justify-center p-4">
+      <div className="bg-gray-800 p-8 rounded-2xl shadow-lg max-w-md w-full">
+        <h1 className="text-2xl font-bold text-center mb-6 text-white">Admin Login</h1>
+
+        <form onSubmit={handleLogin} className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium mb-1 text-gray-300">Username</label>
+            <input
+              type="text"
+              value={username}
+              onChange={(e) => setUsername(e.target.value)}
+              className="w-full p-3 bg-gray-700 border border-gray-600 rounded-xl text-white"
+              required
+            />
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium mb-1 text-gray-300">Password</label>
+            <input
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full p-3 bg-gray-700 border border-gray-600 rounded-xl text-white"
+              required
+            />
+          </div>
+
+          {error && (
+            <p className="text-red-400 text-sm">{error}</p>
+          )}
+
+          <button
+            type="submit"
+            disabled={loading}
+            className="w-full py-3 bg-rose-500 text-white rounded-xl font-medium disabled:opacity-50"
+          >
+            {loading ? "..." : "Login"}
+          </button>
+        </form>
+
+        <p className="text-center mt-4 text-sm text-gray-400">
+          Default: admin / admin123
+        </p>
+      </div>
     </div>
   );
 }