create admin puzzle submission page

frontend/app/admin/puzzle-submission/page.jsx

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+import React, { useState } from "react";
+
+const difficulties = ["Easy", "Medium", "Hard", "Expert"];
+
+export default function AdminPuzzleSubmission() {
+  const [form, setForm] = useState({
+    title: "",
+    description: "",
+    answer: "",
+    difficulty: difficulties[0],
+    nftMetadata: "",
+  });
+
+  const handleChange = (e) => {
+    const { name, value } = e.target;
+    setForm((prev) => ({ ...prev, [name]: value }));
+  };
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    // TODO: Submit form to backend
+    alert("Puzzle submitted!");
+  };
+
+  return (
+    <main className="relative min-h-screen w-full overflow-hidden bg-gradient-to-br from-black via-purple-900 to-black flex items-center justify-center">
+      <div className="absolute inset-0 bg-gradient-to-b from-transparent via-purple-500/10 to-transparent opacity-20 pointer-events-none" />
+      <div className="backdrop-blur-lg bg-white/10 p-8 sm:p-12 rounded-2xl shadow-2xl border border-white/20 max-w-xl w-full text-center z-10">
+        <h1 className="text-3xl font-bold mb-6 bg-clip-text text-transparent bg-gradient-to-r from-purple-400 to-pink-600">
+          Submit New Puzzle
+        </h1>
+        <form onSubmit={handleSubmit} className="space-y-6 text-left">
+          <div>
+            <label className="block font-semibold mb-1 text-white">Title</label>
+            <input
+              type="text"
+              name="title"
+              value={form.title}
+              onChange={handleChange}
+              className="w-full border border-white/20 bg-transparent text-white rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500"
+              required
+            />
+          </div>
+          <div>
+            <label className="block font-semibold mb-1 text-white">
+              Description
+            </label>
+            <textarea
+              name="description"
+              value={form.description}
+              onChange={handleChange}
+              className="w-full border border-white/20 bg-transparent text-white rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500"
+              required
+            />
+          </div>
+          <div>
+            <label className="block font-semibold mb-1 text-white">
+              Answer
+            </label>
+            <input
+              type="text"
+              name="answer"
+              value={form.answer}
+              onChange={handleChange}
+              className="w-full border border-white/20 bg-transparent text-white rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500"
+              required
+            />
+          </div>
+          <div>
+            <label className="block font-semibold mb-1 text-white">
+              Difficulty
+            </label>
+            <select
+              name="difficulty"
+              value={form.difficulty}
+              onChange={handleChange}
+              className="w-full border border-white/20 bg-transparent text-white rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500"
+            >
+              {difficulties.map((level) => (
+                <option
+                  key={level}
+                  value={level}
+                  className="bg-black text-white"
+                >
+                  {level}
+                </option>
+              ))}
+            </select>
+          </div>
+          <div>
+            <label className="block font-semibold mb-1 text-white">
+              NFT Metadata
+            </label>
+            <textarea
+              name="nftMetadata"
+              value={form.nftMetadata}
+              onChange={handleChange}
+              className="w-full border border-white/20 bg-transparent text-white rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500"
+              placeholder="Paste NFT metadata JSON here"
+            />
+          </div>
+          <button
+            type="submit"
+            className="w-full bg-gradient-to-r from-purple-500 to-pink-500 hover:from-purple-600 hover:to-pink-600 text-white font-bold py-3 px-6 rounded-lg transform transition-all hover:scale-105 shadow-lg hover:shadow-purple-500/50"
+          >
+            Submit Puzzle
+          </button>
+        </form>
+      </div>
+    </main>
+  );
+}

frontend/tsconfig.json

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+{
+  "compilerOptions": {
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "noEmit": true,
+    "incremental": true,
+    "module": "esnext",
+    "esModuleInterop": true,
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ]
+  },
+  "include": [
+    "next-env.d.ts",
+    ".next/types/**/*.ts",
+    "**/*.ts",
+    "**/*.tsx"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}