init

src/App.tsx

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+import { useState } from 'react'
+import reactLogo from './assets/react.svg'
+import viteLogo from '/vite.svg'
+// import './App.css' // Removed, now using TailwindCSS
+import React from 'react'; // Added for useEffect
+
+// --- Scratch Card Game Types and State ---
+type Tier = {
+  name: string;
+  unlockPrice: number;
+  buyPrice: number;
+};
+
+const TIERS: Tier[] = [
+  { name: 'Bronze', unlockPrice: 2, buyPrice: 3 },
+  { name: 'Silver', unlockPrice: 5, buyPrice: 7 },
+  { name: 'Gold', unlockPrice: 10, buyPrice: 15 },
+];
+
+function App() {
+  // --- Game State ---
+  const [money, setMoney] = useState(20); // User starts with $20
+  const [unlockedTiers, setUnlockedTiers] = useState<string[]>([]); // Unlocked tier names
+  const [selectedTier, setSelectedTier] = useState<string | null>(null); // Currently selected tier
+  const [count, setCount] = useState(0)
+
+  // --- Card State ---
+  const [card, setCard] = useState<{
+    winningNumbers: number[];
+    fields: { value: number; scratched: boolean; won: number | null }[];
+    tier: Tier | null;
+  } | null>(null);
+
+  // --- Play History State ---
+  const [history, setHistory] = useState<{
+    tier: string;
+    winnings: number;
+    winningNumbers: number[];
+    fields: number[];
+  }[]>([]);
+
+  // --- Tier Unlock Logic ---
+  const handleUnlockTier = (tier: Tier) => {
+    if (money >= tier.unlockPrice && !unlockedTiers.includes(tier.name)) {
+      setMoney(money - tier.unlockPrice);
+      setUnlockedTiers([...unlockedTiers, tier.name]);
+    }
+  };
+
+  // --- Tier Select Logic ---
+  const handleSelectTier = (tier: Tier) => {
+    if (unlockedTiers.includes(tier.name)) {
+      setSelectedTier(tier.name);
+    }
+  };
+
+  // --- Buy Card Logic ---
+  const handleBuyCard = () => {
+    if (!selectedTier) return;
+    const tier = TIERS.find((t) => t.name === selectedTier);
+    if (!tier || money < tier.buyPrice) return;
+    // Generate 3 unique winning numbers (1-9)
+    const winningNumbers: number[] = [];
+    while (winningNumbers.length < 3) {
+      const n = Math.floor(Math.random() * 9) + 1;
+      if (!winningNumbers.includes(n)) winningNumbers.push(n);
+    }
+    // Generate 6 random fields (1-9)
+    const fields = Array.from({ length: 6 }, () => ({ value: Math.floor(Math.random() * 9) + 1, scratched: false, won: null }));
+    setMoney(money - tier.buyPrice);
+    setCard({ winningNumbers, fields, tier });
+    // Add to history (winnings will be updated after all fields scratched)
+    setHistory((h) => [
+      { tier: tier.name, winnings: 0, winningNumbers, fields: fields.map(f => f.value) },
+      ...h.slice(0, 9)
+    ]);
+  };
+
+  // --- Update history winnings after all fields scratched ---
+  React.useEffect(() => {
+    if (!card) return;
+    const allScratched = card.fields.every(f => f.scratched);
+    if (allScratched) {
+      setHistory((h) => {
+        const [latest, ...rest] = h;
+        if (!latest || latest.winningNumbers !== card.winningNumbers) return h;
+        return [
+          { ...latest, winnings: card.fields.reduce((sum, f) => sum + (f.won || 0), 0) },
+          ...rest
+        ];
+      });
+    }
+  }, [card]);
+
+  // --- UI ---
+  return (
+    <div className="min-h-screen bg-gray-100 flex flex-col items-center justify-center">
+      <h1 className="text-3xl font-bold text-blue-600 mb-2">Scratch Card Game</h1>
+      <div className="mb-4 text-lg">Money: <span className="font-mono font-bold">${money}</span></div>
+      <div className="flex gap-6 mb-8">
+        {TIERS.map((tier) => {
+          const unlocked = unlockedTiers.includes(tier.name);
+          return (
+            <div key={tier.name} className="bg-white rounded-lg shadow p-4 flex flex-col items-center w-40">
+              <div className="text-xl font-semibold mb-1">{tier.name}</div>
+              <div className="text-gray-500 text-sm mb-2">Unlock: ${tier.unlockPrice}</div>
+              <div className="text-gray-500 text-sm mb-2">Buy: ${tier.buyPrice}</div>
+              {!unlocked ? (
+                <button
+                  className="bg-yellow-400 hover:bg-yellow-500 text-white font-bold px-4 py-1 rounded mb-1 disabled:opacity-50"
+                  disabled={money < tier.unlockPrice}
+                  onClick={() => handleUnlockTier(tier)}
+                >
+                  Unlock
+                </button>
+              ) : (
+                <button
+                  className={`bg-blue-500 hover:bg-blue-600 text-white font-bold px-4 py-1 rounded mb-1 ${selectedTier === tier.name ? 'ring-2 ring-blue-400' : ''}`}
+                  onClick={() => handleSelectTier(tier)}
+                >
+                  {selectedTier === tier.name ? 'Selected' : 'Select'}
+                </button>
+              )}
+            </div>
+          );
+        })}
+      </div>
+      {/* Tier Info and Card Summary */}
+      {selectedTier && (
+        <div className="mb-4 text-sm text-gray-700">
+          <span className="font-semibold">Selected Tier:</span> {selectedTier} | 
+          <span className="ml-2">Unlock: ${TIERS.find(t => t.name === selectedTier)?.unlockPrice}</span> | 
+          <span className="ml-2">Buy: ${TIERS.find(t => t.name === selectedTier)?.buyPrice}</span>
+        </div>
+      )}
+      {card && (
+        <div className="mb-2 text-sm text-gray-600">
+          <span className="font-semibold">Winnings this card: </span>
+          ${card.fields.reduce((sum, f) => sum + (f.won || 0), 0)}
+        </div>
+      )}
+      {/* Play History */}
+      {history.length > 0 && (
+        <div className="w-full max-w-md mb-8">
+          <div className="font-semibold text-gray-700 mb-2">Play History</div>
+          <ul className="divide-y divide-gray-200 bg-white rounded-lg shadow">
+            {history.map((h, i) => (
+              <li key={i} className="p-3 flex flex-col sm:flex-row sm:items-center sm:justify-between">
+                <div>
+                  <span className="font-bold text-blue-600">{h.tier}</span>
+                  <span className="ml-2 text-gray-500">Win: ${h.winnings}</span>
+                </div>
+                <div className="flex gap-2 mt-2 sm:mt-0">
+                  {h.winningNumbers.map((n, j) => (
+                    <span key={j} className="w-6 h-6 flex items-center justify-center rounded-full bg-blue-100 text-blue-700 text-xs font-bold border border-blue-300">{n}</span>
+                  ))}
+                </div>
+                <div className="flex gap-1 mt-2 sm:mt-0">
+                  {h.fields.map((n, j) => (
+                    <span key={j} className="w-5 h-5 flex items-center justify-center rounded bg-gray-100 text-gray-700 text-xs border border-gray-300">{n}</span>
+                  ))}
+                </div>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+      {/* Card Buy Button */}
+      {selectedTier && (
+        <button
+          className="mb-6 bg-green-500 hover:bg-green-600 text-white font-bold px-6 py-2 rounded disabled:opacity-50"
+          disabled={money < (TIERS.find(t => t.name === selectedTier)?.buyPrice ?? 0)}
+          onClick={handleBuyCard}
+        >
+          Buy Scratch Card
+        </button>
+      )}
+      {/* Card UI */}
+      {card && (
+        <div className="bg-white rounded-lg shadow p-6 flex flex-col items-center mb-6 w-full max-w-md">
+          <div className="mb-2 text-lg font-semibold text-gray-700">{card.tier?.name} Scratch Card</div>
+          <div className="mb-4 flex gap-4 justify-center">
+            {card.winningNumbers.map((num, i) => (
+              <div key={i} className="w-12 h-12 flex items-center justify-center rounded-full bg-blue-100 text-blue-700 text-xl font-bold border-2 border-blue-400">
+                {num}
+              </div>
+            ))}
+          </div>
+          <div className="grid grid-cols-3 gap-4 mb-2">
+            {card.fields.map((field, idx) => (
+              <button
+                key={idx}
+                className={`w-16 h-16 flex items-center justify-center rounded-lg border-2 text-2xl font-bold transition
+                  ${field.scratched ? (field.won ? 'bg-green-200 border-green-500 text-green-700' : 'bg-gray-200 border-gray-400 text-gray-500') : 'bg-yellow-100 border-yellow-400 text-yellow-700 hover:bg-yellow-200'}`}
+                disabled={field.scratched}
+                onClick={() => {
+                  if (field.scratched) return;
+                  // Determine win amount
+                  let won = null;
+                  if (card.winningNumbers.includes(field.value)) {
+                    if (idx < 2) won = Math.floor((card.tier?.buyPrice ?? 0) * 0.5);
+                    else if (idx < 4) won = Math.floor((card.tier?.buyPrice ?? 0) * 0.8);
+                    else won = Math.floor((card.tier?.buyPrice ?? 0) * 1.2);
+                  }
+                  setCard((prev) => {
+                    if (!prev) return prev;
+                    const newFields = prev.fields.map((f, i) => i === idx ? { ...f, scratched: true, won } : f);
+                    return { ...prev, fields: newFields };
+                  });
+                  if (won) setMoney((m) => m + won);
+                }}
+              >
+                {field.scratched ? (
+                  <span>{field.value}{field.won ? <span className="block text-xs font-normal text-green-700">+${field.won}</span> : ''}</span>
+                ) : (
+                  <span className="text-3xl select-none">?</span>
+                )}
+              </button>
+            ))}
+          </div>
+          <div className="text-xs text-gray-500">Scratch each field one at a time. Winnings: 1-2 = 50%, 3-4 = 80%, 5-6 = 120% of card price.</div>
+        </div>
+      )}
+    </div>
+  )
+}
+
+export default App

src/assets/react.svg

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src/index.css

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+@import "tailwindcss";

src/main.tsx

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+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.tsx'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)

src/vite-env.d.ts

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+/// <reference types="vite/client" />