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<!DOCTYPE html>
<html lang="zh-TW">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>代數遺跡：公因式的寶藏</title>
<!-- 引入 React 和 ReactDOM -->
<script crossorigin src="https://unpkg.com/react@18/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"></script>
<!-- 引入 Babel -->
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<!-- 引入 Tailwind CSS -->
<script src="https://cdn.tailwindcss.com"></script>
<style>
/* 基礎設定 */
body {
touch-action: none;
-webkit-touch-callout: none;
-webkit-user-select: none;
user-select: none;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #0f0f13;
}
/* 數學字型特別設定 */
.font-math {
font-family: 'Georgia', 'Times New Roman', Times, serif;
}
/* 神秘宮殿背景特效 */
.palace-bg {
background-image: url('image_03b11b.jpg');
background-size: cover;
background-position: center;
background-repeat: no-repeat;
position: fixed;
inset: 0;
z-index: -3;
}
.palace-overlay {
background:
radial-gradient(circle at 50% 50%, rgba(20, 10, 30, 0.4) 0%, rgba(10, 5, 15, 0.8) 80%),
linear-gradient(to bottom, rgba(15, 15, 19, 0.3) 0%, rgba(26, 26, 46, 0.6) 100%);
position: fixed;
inset: 0;
z-index: -2;
}
.palace-pillars {
position: fixed;
inset: 0;
background-image:
linear-gradient(90deg, rgba(0,0,0,0.3) 0%, transparent 10%, transparent 90%, rgba(0,0,0,0.3) 100%);
z-index: -1;
pointer-events: none;
}
/* 動畫定義 */
@keyframes shake {
0%, 100% { transform: translateX(0); }
25% { transform: translateX(-5px); }
75% { transform: translateX(5px); }
}
@keyframes coinFly {
0% { transform: translate(-50%, -50%) scale(0) rotate(0deg); opacity: 1; }
10% { transform: translate(-50%, -50%) scale(1) rotate(0deg); opacity: 1; }
100% { transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(0.5) rotate(var(--rot)); opacity: 0; }
}
@keyframes pulse-glow {
0%, 100% { opacity: 0.3; filter: blur(5px); }
50% { opacity: 0.6; filter: blur(8px); }
}
@keyframes pop {
0% { transform: scale(0.8); opacity: 0; }
50% { transform: scale(1.2); opacity: 1; }
100% { transform: scale(1); opacity: 1; }
}
@keyframes slideIn {
from { transform: translateY(-100%); opacity: 0; }
to { transform: translateY(0); opacity: 1; }
}
@keyframes fire {
0% { text-shadow: 0 0 10px #ef4444, 0 0 20px #f59e0b; transform: scale(1); }
50% { text-shadow: 0 0 20px #ef4444, 0 0 40px #f59e0b; transform: scale(1.1); }
100% { text-shadow: 0 0 10px #ef4444, 0 0 20px #f59e0b; transform: scale(1); }
}
.animate-shake { animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both; }
.animate-pulse-glow { animation: pulse-glow 3s infinite; }
.animate-fade-in { animation: fadeIn 0.3s ease-out; }
.animate-pop { animation: pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.animate-slide-in { animation: slideIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.combo-fire { animation: fire 0.5s infinite alternate; }
@keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
/* 卷軸質感樣式庫 */
.scroll-paper-default {
background-color: #e8dcb9;
background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.15'/%3E%3C/svg%3E");
color: #0f172a; border-color: #92400e;
}
.scroll-paper-royal {
background-color: #f3e5f5;
background-image: radial-gradient(#e1bee7 1px, transparent 1px);
background-size: 20px 20px;
color: #4a148c; border-color: #7b1fa2;
}
.scroll-paper-dark {
background-color: #1e293b; color: #e2e8f0; border-color: #64748b; border: 2px solid #475569;
}
.scroll-paper-golden {
background: linear-gradient(135deg, #fceabb 0%, #f8b500 100%);
color: #5d4037; border-color: #ffd700; box-shadow: 0 0 15px rgba(253, 185, 49, 0.6);
}
.scroll-paper-matrix {
background-color: #000; color: #0f0; border-color: #0f0; font-family: 'Courier New', monospace;
box-shadow: 0 0 10px #0f0;
}
.scroll-paper-galaxy {
background: linear-gradient(to bottom right, #0f2027, #203a43, #2c5364);
color: #e0f7fa; border-color: #00d2ff;
}
/* Leaderboard Styles */
.leaderboard-row:nth-child(1) .rank { color: #fbbf24; text-shadow: 0 0 5px rgba(251, 191, 36, 0.5); }
.leaderboard-row:nth-child(2) .rank { color: #94a3b8; text-shadow: 0 0 5px rgba(148, 163, 184, 0.5); }
.leaderboard-row:nth-child(3) .rank { color: #b45309; text-shadow: 0 0 5px rgba(180, 83, 9, 0.5); }
/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1e293b; }
::-webkit-scrollbar-thumb { background: #475569; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }
</style>
</head>
<body>
<div id="root"></div>
<!-- Firebase SDKs -->
<script type="module">
import { initializeApp } from "https://www.gstatic.com/firebasejs/11.6.1/firebase-app.js";
import { getAuth, signInAnonymously, onAuthStateChanged } from "https://www.gstatic.com/firebasejs/11.6.1/firebase-auth.js";
import { getFirestore, doc, setDoc, collection, onSnapshot } from "https://www.gstatic.com/firebasejs/11.6.1/firebase-firestore.js";
window.firebaseModules = { initializeApp, getAuth, signInAnonymously, onAuthStateChanged, getFirestore, doc, setDoc, collection, onSnapshot };
</script>
<script type="text/babel">
const { useState, useEffect, useRef, useMemo } = React;
// ==========================================
// ★★★ Firebase Config ★★★
// ==========================================
const YOUR_FIREBASE_CONFIG = {
apiKey: "AIzaSyAcIQYst9gFRyE2nCqCwNgCL3LG2VkBXbM",
authDomain: "factor-529c9.firebaseapp.com",
projectId: "factor-529c9",
storageBucket: "factor-529c9.firebasestorage.app",
messagingSenderId: "575829635896",
appId: "1:575829635896:web:a65b6edd9d163375b087cd"
};
// --- Icons ---
const Icons = {
Home: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="m3 9 9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9 22 9 12 15 12 15 22"/></svg>,
ArrowRight: () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="5" y1="12" x2="19" y2="12"/><polyline points="12 5 19 12 12 19"/></svg>,
Coins: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="8" cy="8" r="6"/><path d="M18.09 10.37A6 6 0 1 1 10.34 18"/><path d="M7 6h1v4"/><path d="m16.71 13.88.7.71-2.82 2.82"/></svg>,
Help: () => <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><path d="M12 17h.01"/></svg>,
Check: () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="20 6 9 17 4 12"/></svg>,
Backspace: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 4H8l-7 8 7 8h13a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2z"/><line x1="18" y1="9" x2="12" y2="15"/><line x1="12" y1="9" x2="18" y2="15"/></svg>,
ShoppingBag: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M6 2 3 6v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6l-3-4Z"/><path d="M3 6h18"/><path d="M16 10a4 4 0 0 1-8 0"/></svg>,
Lock: () => <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="11" width="18" height="11" rx="2" ry="2"/><path d="M7 11V7a5 5 0 0 1 10 0v4"/></svg>,
Crown: () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="m5 18 4-9 4 8.8L17 8l-2 10H5Z"/><path d="M21 18h-4"/><path d="M9 18H5"/><circle cx="17" cy="8" r="1"/><circle cx="13" cy="17" r="1"/><circle cx="9" cy="9" r="1"/></svg>,
Trophy: () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M6 9H4.5a2.5 2.5 0 0 1 0-5H6"/><path d="M18 9h1.5a2.5 2.5 0 0 0 0-5H18"/><path d="M4 22h16"/><path d="M10 14.66V17c0 .55-.47.98-.97 1.21C7.85 18.75 7 20.24 7 22"/><path d="M14 14.66V17c0 .55.47.98.97 1.21C16.15 18.75 17 20.24 17 22"/><path d="M18 2H6v7a6 6 0 0 0 12 0V2Z"/></svg>,
Alert: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>,
Teacher: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M22 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>,
Flame: () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor" stroke="none"><path d="M8.5 14.5A2.5 2.5 0 0 0 11 12c0-1.38-.5-2-1-3-1.072-2.143-.224-4.054 2-6 .5 2.5 2 4.9 4 6.5 2 1.6 3 3.5 3 5.5a7 7 0 1 1-14 0c0-1.1.2-2.2.6-3.3.037.15.072.292.11.426.33 1.154 1.334 2.05 2.79 2.374Z"/></svg>,
QrCode: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect width="5" height="5" x="3" y="3" rx="1"/><rect width="5" height="5" x="16" y="3" rx="1"/><rect width="5" height="5" x="3" y="16" rx="1"/><path d="M21 16h-3a2 2 0 0 0-2 2v3"/><path d="M21 21v.01"/><path d="M12 7v3a2 2 0 0 1-2 2H7"/><path d="M3 12h.01"/><path d="M12 3h.01"/><path d="M12 16v.01"/><path d="M16 12h1"/><path d="M21 12v.01"/><path d="M12 21v-1"/></svg>,
Chart: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 3v18h18"/><path d="m19 9-5 5-4-4-3 3"/></svg>,
List: () => <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="8" y1="6" x2="21" y2="6"/><line x1="8" y1="12" x2="21" y2="12"/><line x1="8" y1="18" x2="21" y2="18"/><line x1="3" y1="6" x2="3.01" y2="6"/><line x1="3" y1="12" x2="3.01" y2="12"/><line x1="3" y1="18" x2="3.01" y2="18"/></svg>
};
// --- Firebase Setup Helpers ---
let db = null;
let auth = null;
let isCustomConfig = false;
let internalAppId = 'algebra-relics';
const initFirebase = () => {
if (!window.firebaseModules) return;
const { initializeApp, getAuth, getFirestore } = window.firebaseModules;
try {
let configToUse = null;
if (YOUR_FIREBASE_CONFIG) {
configToUse = YOUR_FIREBASE_CONFIG;
isCustomConfig = true;
console.log("Using custom Firebase config");
}
else if (typeof __firebase_config !== 'undefined') {
configToUse = JSON.parse(__firebase_config);
internalAppId = typeof __app_id !== 'undefined' ? __app_id : 'algebra-relics';
console.log("Using environment Firebase config");
}
if (configToUse) {
const app = initializeApp(configToUse);
auth = getAuth(app);
db = getFirestore(app);
console.log("Firebase initialized");
} else {
console.log("No Firebase config found. Running in offline mode.");
}
} catch (e) {
console.log("Firebase init error:", e);
}
};
// Helper to get collection path based on config type
const getLeaderboardCollection = (collectionFn) => {
if (isCustomConfig) {
return collectionFn(db, 'leaderboard');
} else {
return collectionFn(db, 'artifacts', internalAppId, 'public', 'data', 'leaderboard');
}
};
const getUserDoc = (docFn, uid) => {
if (isCustomConfig) {
return docFn(db, 'leaderboard', uid);
} else {
return docFn(db, 'artifacts', internalAppId, 'public', 'data', 'leaderboard', uid);
}
}
// --- Data: Shop Items ---
const SHOP_ITEMS = [
// Titles
{ id: 'title_novice', type: 'title', name: '見習探險家', price: 0, desc: '初始稱號' },
{ id: 'title_hunter', type: 'title', name: '公因數獵人', price: 500, desc: '擅長發現共同點' },
{ id: 'title_solver', type: 'title', name: '解謎專家', price: 1000, desc: '沒有解不開的鎖' },
{ id: 'title_master', type: 'title', name: '多項式大師', price: 2000, desc: '精通代數奧秘' },
{ id: 'title_legend', type: 'title', name: '傳說中的學霸', price: 5000, desc: '萬人景仰的存在' },
{ id: 'title_god', type: 'title', name: '真理追尋者', price: 10000, desc: '超越凡人的智慧' },
// Scrolls
{ id: 'scroll_default', type: 'scroll', name: '老舊羊皮紙', price: 0, desc: '經典的質感', styleClass: 'scroll-paper-default' },
{ id: 'scroll_royal', type: 'scroll', name: '皇家絲綢', price: 800, desc: '高貴的紫色風格', styleClass: 'scroll-paper-royal' },
{ id: 'scroll_golden', type: 'scroll', name: '黃金傳說', price: 2500, desc: '閃耀著財富的光芒', styleClass: 'scroll-paper-golden' },
{ id: 'scroll_dark', type: 'scroll', name: '暗黑石板', price: 1500, desc: '深淵中的智慧', styleClass: 'scroll-paper-dark' },
{ id: 'scroll_matrix', type: 'scroll', name: '駭客任務', price: 3000, desc: '解開母體的代碼', styleClass: 'scroll-paper-matrix' },
{ id: 'scroll_galaxy', type: 'scroll', name: '星辰大海', price: 5000, desc: '來自宇宙的知識', styleClass: 'scroll-paper-galaxy' },
];
// --- Data: Categories & Problems ---
// Expanded Answer Bank to cover all valid commutative and sign variations
const ALL_CATEGORIES = [
{
id: "basic",
title: "基礎提公因式",
desc: "萬丈高樓平地起，找出共同的寶藏。",
color: "from-blue-500 to-cyan-500",
problems: [
{
id: 101, q: "3b^2 + 2b",
a: ["b(3b+2)", "(3b+2)b", "b(2+3b)", "(2+3b)b"],
h: "提出公因式 b"
},
{
id: 102, q: "5x^2 + 2x",
a: ["x(5x+2)", "(5x+2)x", "x(2+5x)", "(2+5x)x"],
h: "提出公因式 x"
},
{
id: 103, q: "6y^2 - 2y",
a: ["2y(3y-1)", "(3y-1)2y", "2y(-1+3y)", "(-1+3y)2y", "-2y(1-3y)", "(1-3y)(-2y)"],
h: "係數 6 和 2 都有公因數 2"
},
{
id: 104, q: "4x^2 - 8x",
a: ["4x(x-2)", "x(4x-8)", "4(x^2-2x)", "2x(2x-4)", "2(2x^2-4x)", "4x(-2+x)", "(-2+x)4x", "(4x-8)x", "(x-2)4x", "-4x(2-x)"],
h: "提出 4x"
},
{
id: 105, q: "ax + bx",
a: ["x(a+b)", "(a+b)x", "x(b+a)", "(b+a)x"],
h: "最簡單的提公因式"
},
{
id: 106, q: "3x^2 + 6x",
a: ["3x(x+2)", "x(3x+6)", "3(x^2+2x)", "3x(2+x)", "(x+2)3x", "(3x+6)x", "(2+x)3x"],
h: "提出 3x"
}
]
},
{
id: "group",
title: "分組提公因式",
desc: "分進合擊！尋找隱藏的括號。",
color: "from-emerald-500 to-teal-500",
problems: [
{
id: 201, q: "2x(x-2) + 5(x-2)",
a: ["(x-2)(2x+5)", "(2x+5)(x-2)", "(x-2)(5+2x)", "(5+2x)(x-2)", "(-x+2)(-2x-5)", "(-2x-5)(-x+2)", "-(2-x)(2x+5)", "-(2x+5)(2-x)"],
h: "把 (x-2) 當作一個整體"
},
{
id: 202, q: "x(3x-7) + 4(3x-7)",
a: ["(3x-7)(x+4)", "(x+4)(3x-7)", "(3x-7)(4+x)", "(4+x)(3x-7)", "(7-3x)(-x-4)", "(-x-4)(7-3x)", "-(7-3x)(x+4)", "-(x+4)(7-3x)"],
h: "提出 (3x-7)"
},
{
id: 203, q: "a(x+y) + b(x+y)",
a: ["(x+y)(a+b)", "(a+b)(x+y)", "(y+x)(a+b)", "(x+y)(b+a)", "(a+b)(y+x)", "(b+a)(x+y)", "(b+a)(y+x)"],
h: "都有 (x+y)"
},
{
id: 204, q: "x^2 + 2x + xy + 2y",
a: ["(x+2)(x+y)", "(x+y)(x+2)", "(2+x)(y+x)", "(x+y)(2+x)", "(y+x)(x+2)", "(y+x)(2+x)", "(2+x)(x+y)"],
h: "前兩項一組，後兩項一組"
},
{
id: 205, q: "ac + ad + bc + bd",
a: ["(c+d)(a+b)", "(a+b)(c+d)", "(d+c)(a+b)", "(c+d)(b+a)", "(a+b)(d+c)", "(b+a)(c+d)", "(b+a)(d+c)"],
h: "分組：a(c+d) + b(c+d)"
},
{
id: 206, q: "3x(2x-5) + (2x-5)(x+8)",
a: ["(2x-5)(4x+8)", "4(2x-5)(x+2)", "(4x+8)(2x-5)", "(2x-5)(8+4x)", "4(2x-5)(2+x)", "4(x+2)(2x-5)", "4(2+x)(2x-5)", "(5-2x)(-4x-8)", "-(5-2x)(4x+8)"],
h: "合併剩下的：3x + (x+8)"
}
]
},
{
id: "sign",
title: "變號提公因式",
desc: "敵人的敵人就是朋友，善用負號。",
color: "from-amber-500 to-orange-500",
problems: [
{
id: 301, q: "x(2x-1) + (1-2x)",
a: ["(2x-1)(x-1)", "(x-1)(2x-1)", "(1-2x)(1-x)", "(1-x)(1-2x)", "-(1-2x)(x-1)", "-(x-1)(1-2x)", "-(2x-1)(1-x)"],
h: "(1-2x) 變號為 -(2x-1)"
},
{
id: 302, q: "x(a-b) + y(b-a)",
a: ["(a-b)(x-y)", "(x-y)(a-b)", "(b-a)(y-x)", "(y-x)(b-a)", "-(b-a)(x-y)", "-(x-y)(b-a)", "-(a-b)(y-x)"],
h: "(b-a) 變號為 -(a-b)"
},
{
id: 303, q: "x(2x-3) - 3(3-2x)",
a: ["(2x-3)(x+3)", "(x+3)(2x-3)", "(3-2x)(-x-3)", "(-x-3)(3-2x)", "(3+x)(2x-3)", "(2x-3)(3+x)", "-(3-2x)(x+3)"],
h: "減去負的變成加"
},
{
id: 304, q: "(x-y)^2 + 2(y-x)",
a: ["(x-y)(x-y-2)", "(x-y-2)(x-y)", "(y-x)(y-x+2)", "(y-x+2)(y-x)", "(x-y-2)(x-y)", "-(y-x)(x-y-2)", "(-x+y+2)(-x+y)"],
h: "(y-x) 提出負號變成 -(x-y)"
},
{
id: 305, q: "a(x-y) - b(y-x)",
a: ["(x-y)(a+b)", "(a+b)(x-y)", "(y-x)(-a-b)", "(-a-b)(y-x)", "(x-y)(b+a)", "(b+a)(x-y)", "-(y-x)(a+b)"],
h: "變號後提出 (x-y)"
}
]
},
{
id: "diff",
title: "平方差公式",
desc: "一加一減，成雙成對。",
color: "from-rose-500 to-pink-500",
problems: [
{
id: 401, q: "x^2 - 49",
a: ["(x+7)(x-7)", "(x-7)(x+7)", "(7+x)(x-7)", "(x-7)(7+x)", "(-x-7)(7-x)", "(7-x)(-x-7)", "-(7-x)(x+7)"],
h: "7 的平方是 49"
},
{
id: 402, q: "x^2 - 1",
a: ["(x+1)(x-1)", "(x-1)(x+1)", "(1+x)(x-1)", "(x-1)(1+x)", "(-x-1)(1-x)", "(1-x)(-x-1)", "-(1-x)(x+1)"],
h: "1 的平方還是 1"
},
{
id: 403, q: "4x^2 - 9",
a: ["(2x+3)(2x-3)", "(2x-3)(2x+3)", "(3+2x)(2x-3)", "(2x-3)(3+2x)", "(-2x-3)(3-2x)", "-(3-2x)(2x+3)"],
h: "(2x)^2 - 3^2"
},
{
id: 404, q: "25x^2 - 36y^2",
a: ["(5x+6y)(5x-6y)", "(5x-6y)(5x+6y)", "(6y+5x)(5x-6y)", "(5x-6y)(6y+5x)", "-(6y-5x)(5x+6y)"],
h: "(5x)^2 - (6y)^2"
},
{
id: 405, q: "49 - (y-1)^2",
a: [
"(8-y)(y+6)", "(y+6)(8-y)",
"(6+y)(8-y)", "(8-y)(6+y)",
"(-y+8)(y+6)", "(y+6)(-y+8)",
"(-y+8)(6+y)", "(6+y)(-y+8)",
"(-y-6)(y-8)", "(y-8)(-y-6)",
"(-6-y)(y-8)", "(y-8)(-6-y)",
"(-y-6)(-8+y)", "(-8+y)(-y-6)",
"-(y-8)(y+6)", "-(y+6)(y-8)",
"-(y-8)(6+y)", "-(6+y)(y-8)",
"-(-8+y)(y+6)", "-(y+6)(-8+y)",
"-(-8+y)(6+y)", "-(6+y)(-8+y)",
"-(8-y)(-y-6)", "-(-y-6)(8-y)",
"-(8-y)(-6-y)", "-(-6-y)(8-y)"
],
h: "A=7, B=(y-1)"
}
]
},
{
id: "perfect",
title: "完全平方公式",
desc: "頭平方，尾平方，2倍頭尾在中央。",
color: "from-violet-500 to-purple-500",
problems: [
{
id: 501, q: "x^2 + 2x + 1",
a: ["(x+1)^2", "(x+1)(x+1)", "(1+x)^2", "(1+x)(1+x)", "(-x-1)^2", "(-x-1)(-x-1)"],
h: "1 是 1^2，中間是 2*x*1"
},
{
id: 502, q: "x^2 + 8x + 16",
a: ["(x+4)^2", "(x+4)(x+4)", "(4+x)^2", "(4+x)(4+x)", "(-x-4)^2"],
h: "16 是 4^2"
},
{
id: 503, q: "x^2 - 4x + 4",
a: ["(x-2)^2", "(2-x)^2", "(x-2)(x-2)", "(2-x)(2-x)", "-(x-2)(2-x)"],
h: "中間是負號"
},
{
id: 504, q: "x^2 - 10x + 25",
a: ["(x-5)^2", "(5-x)^2", "(x-5)(x-5)", "(5-x)(5-x)"],
h: "25 是 5^2"
},
{
id: 505, q: "16x^2 - 24x + 9",
a: ["(4x-3)^2", "(3-4x)^2", "(4x-3)(4x-3)", "(3-4x)(3-4x)"],
h: "(4x)^2 和 3^2"
}
]
}
];
const CHALLENGE_CATEGORY_TEMPLATE = {
id: "challenge",
title: "綜合試煉",
desc: "最終的考驗，題目隨機出現！",
color: "from-red-500 to-rose-600",
problems: []
};
// Helper for Analysis
const getProblemDetails = (pid) => {
for(const cat of ALL_CATEGORIES) {
const prob = cat.problems.find(p => p.id === parseInt(pid));
if (prob) return { ...prob, category: cat.title };
}
return { q: "未知題目", category: "未知", id: pid };
};
// --- Storage Key Helper ---
// 新增：根據房間 ID 取得對應的 localStorage key
const getStorageKey = (roomId) => {
// 如果有房間代碼，使用專屬的 key；如果是空的（公開區），使用舊的 key 以保持相容性
return roomId ? `factoring_save_room_${roomId}` : 'factoring_game_data_v5';
};
// --- Components ---
const NameModal = ({ onSubmit }) => {
const [name, setName] = useState("");
const [roomId, setRoomId] = useState("");
// 檢查網址參數是否有 room
useEffect(() => {
const params = new URLSearchParams(window.location.search);
const roomParam = params.get('room');
if (roomParam) {
setRoomId(roomParam);
}
}, []);
return (
<div className="fixed inset-0 z-50 flex items-center justify-center bg-black/80 backdrop-blur-sm animate-fade-in p-4">
<div className="bg-slate-900 p-8 rounded-2xl border-2 border-amber-500 shadow-2xl w-full max-w-md text-center relative overflow-hidden">
<div className="absolute inset-0 bg-gradient-to-b from-amber-900/20 to-transparent pointer-events-none"></div>
<div className="relative z-10">
<div className="flex justify-center mb-4">
<div className="bg-amber-500/20 p-4 rounded-full">
<Icons.Crown />
</div>
</div>
<h2 className="text-2xl font-bold text-amber-100 mb-2">歡迎來到代數遺跡</h2>
<p className="text-slate-400 mb-6 text-sm">請輸入你的代號與房間代碼(選填)。</p>
<div className="text-left text-xs text-slate-400 mb-1 ml-1">冒險者代號</div>
<input
type="text"
value={name}
onChange={(e) => setName(e.target.value)}
className="w-full bg-black/40 border border-slate-600 rounded-xl px-4 py-3 text-center text-slate-100 text-lg focus:border-amber-500 outline-none mb-4 placeholder-slate-600"
placeholder="例如：數學小王子"
autoFocus
/>
<div className="text-left text-xs text-slate-400 mb-1 ml-1">房間代碼 (選填，不填則進入公開區)</div>
<input
type="text"
value={roomId}
onChange={(e) => setRoomId(e.target.value)}
className="w-full bg-black/40 border border-slate-600 rounded-xl px-4 py-3 text-center text-yellow-400 font-mono text-lg focus:border-amber-500 outline-none mb-6 placeholder-slate-700 tracking-widest uppercase"
placeholder="EX: 123456"
/>
<button
onClick={() => name.trim() && onSubmit(name.trim(), roomId.trim())}
disabled={!name.trim()}
className={`w-full py-3 rounded-xl font-bold text-lg transition-all ${
name.trim()
? "bg-amber-600 hover:bg-amber-500 text-white shadow-lg shadow-amber-900/50"
: "bg-slate-800 text-slate-500 cursor-not-allowed"
}`}
>
開始冒險
</button>
</div>
</div>
</div>
);
};
// Teacher Dashboard Component
const TeacherDashboard = ({ onClose, allData }) => {
const [activeTab, setActiveTab] = useState('room'); // room, list, analysis
const [roomCode, setRoomCode] = useState("");
const [manualRoomInput, setManualRoomInput] = useState("");
const [roomHistory, setRoomHistory] = useState([]);
const [selectedStudent, setSelectedStudent] = useState(null);
const [showLargeQr, setShowLargeQr] = useState(false);
// 載入歷史紀錄
useEffect(() => {
const savedHistory = localStorage.getItem('teacher_room_history');
if (savedHistory) {
try {
setRoomHistory(JSON.parse(savedHistory));
} catch (e) { console.error(e); }
}
}, []);
// 切換房間並保存到歷史
const switchRoom = (code) => {
setRoomCode(code);
setManualRoomInput(code); // 同步更新輸入框
setActiveTab('room');
// 更新歷史紀錄 (避免重複，最新的放前面)
const newHistory = [code, ...roomHistory.filter(h => h !== code)].slice(0, 5); // 只保留最近 5 筆
setRoomHistory(newHistory);
localStorage.setItem('teacher_room_history', JSON.stringify(newHistory));
};
// Generate a random room code
const generateRoom = () => {
const code = Math.floor(100000 + Math.random() * 900000).toString();
switchRoom(code);
};
// 手動加入房間
const handleManualJoin = () => {
if (manualRoomInput.trim()) {
switchRoom(manualRoomInput.trim());
}
};
// 產生帶參數的網址與 QR Code 連結 (size 參數可調整)
const getQrUrl = (size = "150x150") => {
const baseUrl = window.location.origin + window.location.pathname;
const fullUrl = `${baseUrl}?room=${roomCode}`;
return `https://api.qrserver.com/v1/create-qr-code/?size=${size}&data=${encodeURIComponent(fullUrl)}`;
};
// 計算完整的房間連結網址
const fullRoomUrl = `${window.location.origin}${window.location.pathname}?room=${roomCode}`;
// Filter data by room
const filteredData = useMemo(() => {
if (!roomCode) return []; // Show nothing if no room created (or show all? let's show room specific)
// In a real app, teacher might want to see all, but let's focus on the room feature
return allData.filter(u => u.roomId === roomCode);
}, [allData, roomCode]);
// Calculate Analysis
const analysis = useMemo(() => {
const problemMistakes = {};
const categoryMistakes = {};
filteredData.forEach(student => {
if (student.mistakes) {
Object.entries(student.mistakes).forEach(([pid, count]) => {
// Problem Stats
problemMistakes[pid] = (problemMistakes[pid] || 0) + count;
// Category Stats
const details = getProblemDetails(pid);
categoryMistakes[details.category] = (categoryMistakes[details.category] || 0) + count;
});
}
});
const sortedProblems = Object.entries(problemMistakes)
.map(([pid, count]) => ({ ...getProblemDetails(pid), count }))
.sort((a, b) => b.count - a.count);
const sortedCategories = Object.entries(categoryMistakes)
.map(([cat, count]) => ({ cat, count }))
.sort((a, b) => b.count - a.count);
return { sortedProblems, sortedCategories };
}, [filteredData]);
return (
<div className="min-h-screen flex flex-col p-4 md:p-6 relative bg-slate-900 text-slate-200 font-sans">
{/* Large QR Modal */}
{showLargeQr && (
<div className="fixed inset-0 z-[100] flex items-center justify-center bg-black/90 backdrop-blur-md p-4" onClick={() => setShowLargeQr(false)}>
<div className="bg-white p-8 rounded-3xl animate-pop text-center max-w-lg w-full shadow-2xl relative" onClick={e => e.stopPropagation()}>
<button onClick={() => setShowLargeQr(false)} className="absolute top-4 right-4 text-slate-400 hover:text-slate-600">
<Icons.Check className="rotate-45" />
</button>
<h3 className="text-2xl font-bold text-slate-800 mb-2">加入房間</h3>
<div className="text-6xl font-mono font-bold text-amber-600 tracking-widest mb-6 select-all">{roomCode}</div>
<div className="bg-white p-2 rounded-xl inline-block border-4 border-slate-100 mb-4 hover:border-amber-200 transition-colors shadow-inner">
<a href={fullRoomUrl} target="_blank" rel="noopener noreferrer" title="點擊開啟連結">
<img src={getQrUrl("500x500")} alt="Large Room QR" className="w-full max-w-[400px] h-auto aspect-square object-contain cursor-pointer hover:opacity-95 transition-opacity" />
</a>
</div>
<p className="text-slate-500 font-bold">請學生掃描 QR Code 或輸入上方代碼</p>
<div className="text-blue-500 text-sm mt-1 font-bold">(點擊 QR Code 可直接進入房間)</div>
<div className="text-slate-400 text-xs mt-4">點擊背景關閉</div>
</div>
</div>
)}
<div className="flex justify-between items-center mb-6">
<h2 className="text-2xl font-bold flex items-center gap-2 text-amber-400"><Icons.Teacher /> 教師管理後台</h2>
<button onClick={onClose} className="bg-slate-700 hover:bg-slate-600 px-4 py-2 rounded-lg">返回遊戲</button>
</div>
<div className="grid grid-cols-1 md:grid-cols-4 gap-6 h-[calc(100vh-100px)]">
{/* Sidebar / Controls */}
<div className="md:col-span-1 bg-slate-800 rounded-xl p-4 shadow-lg border border-slate-700 flex flex-col gap-4 overflow-y-auto">
{/* Room Control Panel */}
<div className="bg-black/30 p-4 rounded-lg text-center">
<div className="text-xs text-slate-400 uppercase tracking-widest mb-2">目前房間代碼</div>
{roomCode ? (
<>
<div className="text-4xl font-mono font-bold text-yellow-400 tracking-widest mb-4 select-all">{roomCode}</div>
<div
className="bg-white p-2 rounded-lg inline-block mx-auto cursor-zoom-in hover:scale-105 transition-transform group relative"
onClick={() => setShowLargeQr(true)}
>
<img src={getQrUrl("150x150")} alt="Room QR" className="w-32 h-32" />
<div className="absolute inset-0 flex items-center justify-center bg-black/0 group-hover:bg-black/20 transition-colors rounded-lg">
<span className="opacity-0 group-hover:opacity-100 bg-black/70 text-white text-xs px-2 py-1 rounded backdrop-blur-sm pointer-events-none">點擊放大</span>
</div>
</div>
<div className="mt-2 text-xs text-slate-500">學生掃描後可自動填入代碼</div>
</>
) : (
<div className="text-slate-500 py-8">尚未選擇房間</div>
)}
<button onClick={generateRoom} className="w-full mt-4 bg-blue-600 hover:bg-blue-500 text-white py-2 rounded-lg font-bold text-sm shadow-lg mb-2">
建立新房間
</button>
{/* Manual Input Area */}
<div className="mt-4 pt-4 border-t border-slate-700">
<div className="text-xs text-slate-500 mb-1 text-left">監控現有房間</div>
<div className="flex gap-2">
<input
type="text"
value={manualRoomInput}
onChange={(e) => setManualRoomInput(e.target.value)}
placeholder="輸入代碼"
className="w-full bg-slate-700 border border-slate-600 rounded px-2 py-1 text-white text-sm text-center"
/>
<button onClick={handleManualJoin} className="bg-slate-600 hover:bg-slate-500 text-white px-3 rounded text-sm">Go</button>
</div>
</div>
{/* History Area */}
{roomHistory.length > 0 && (
<div className="mt-4 pt-4 border-t border-slate-700">
<div className="text-xs text-slate-500 mb-2 text-left">最近開啟</div>
<div className="flex flex-wrap gap-2">
{roomHistory.map(code => (
<button
key={code}
onClick={() => switchRoom(code)}
className={`text-xs px-2 py-1 rounded border ${code === roomCode ? 'bg-amber-900/50 border-amber-500 text-amber-200' : 'bg-slate-700 border-slate-600 text-slate-400 hover:text-white'}`}
>
{code}
</button>
))}
</div>
</div>
)}
</div>
<div className="flex flex-col gap-2 mt-2">
<button onClick={() => {setActiveTab('list'); setSelectedStudent(null);}} className={`text-left px-4 py-3 rounded-lg flex items-center gap-3 transition-colors ${activeTab === 'list' ? 'bg-amber-600 text-white' : 'hover:bg-slate-700 text-slate-300'}`}>
<Icons.List /> 學生列表 ({filteredData.length})
</button>
<button onClick={() => setActiveTab('analysis')} className={`text-left px-4 py-3 rounded-lg flex items-center gap-3 transition-colors ${activeTab === 'analysis' ? 'bg-amber-600 text-white' : 'hover:bg-slate-700 text-slate-300'}`}>
<Icons.Chart /> 錯題分析
</button>
</div>
</div>
{/* Main Content Area */}
<div className="md:col-span-3 bg-slate-800 rounded-xl shadow-lg border border-slate-700 overflow-hidden flex flex-col">
{!roomCode ? (
<div className="flex-1 flex flex-col items-center justify-center text-slate-500">
<Icons.Teacher />
<p className="mt-4">請先建立房間以開始收集數據</p>
</div>
) : activeTab === 'list' ? (
selectedStudent ? (
// Individual Student Detail View
<div className="flex-1 overflow-y-auto p-6">
<button onClick={() => setSelectedStudent(null)} className="mb-4 text-sm text-blue-400 hover:text-blue-300 flex items-center gap-1">← 返回列表</button>
<h3 className="text-2xl font-bold text-white mb-1">{selectedStudent.name} <span className="text-sm text-slate-400 font-normal">的詳細報告</span></h3>
<div className="text-yellow-500 font-mono mb-6">Score: ${selectedStudent.score}</div>
<h4 className="text-lg font-bold text-slate-300 mb-3 border-b border-slate-700 pb-2">錯題紀錄</h4>
{selectedStudent.mistakes && Object.keys(selectedStudent.mistakes).length > 0 ? (
<div className="space-y-3">
{Object.entries(selectedStudent.mistakes).sort((a,b) => b[1] - a[1]).map(([pid, count]) => {
const details = getProblemDetails(pid);
return (
<div key={pid} className="bg-slate-700/50 p-3 rounded-lg flex justify-between items-center">
<div>
<span className="text-xs bg-slate-600 px-2 py-0.5 rounded text-slate-300 mr-2">{details.category}</span>
<span className="font-serif text-lg">{details.q}</span>
</div>
<div className="text-red-400 font-bold flex items-center gap-1">
<Icons.Alert /> {count} 次錯誤
</div>
</div>
);
})}
</div>
) : (
<div className="text-slate-500 italic">該學生目前沒有錯題紀錄 (太神啦！)</div>
)}
</div>
) : (
// Student List View
<div className="flex-1 overflow-y-auto">
<table className="w-full text-left border-collapse">
<thead className="sticky top-0 bg-slate-900 z-10">
<tr className="text-slate-400 text-sm uppercase tracking-wider">
<th className="p-4 border-b border-slate-700">排名</th>
<th className="p-4 border-b border-slate-700">姓名</th>
<th className="p-4 border-b border-slate-700">分數</th>
<th className="p-4 border-b border-slate-700">錯題總數</th>
<th className="p-4 border-b border-slate-700">操作</th>
</tr>
</thead>
<tbody className="divide-y divide-slate-700">
{filteredData.map((student, idx) => {
const totalMistakes = student.mistakes ? Object.values(student.mistakes).reduce((a,b)=>a+b,0) : 0;
return (
<tr key={idx} className="hover:bg-slate-700/30 transition-colors">
<td className="p-4 font-bold text-slate-500">#{idx + 1}</td>
<td className="p-4 font-bold text-white">{student.name}</td>
<td className="p-4 font-mono text-yellow-400">${student.score}</td>
<td className="p-4 text-slate-300">{totalMistakes}</td>
<td className="p-4">
<button onClick={() => setSelectedStudent(student)} className="text-xs bg-slate-700 hover:bg-blue-600 text-white px-3 py-1 rounded transition-colors">
查看詳情
</button>
</td>
</tr>
);
})}
{filteredData.length === 0 && (
<tr><td colSpan="5" className="p-8 text-center text-slate-500">目前房間內沒有學生</td></tr>
)}
</tbody>
</table>
</div>
)
) : (
// Analysis View
<div className="flex-1 overflow-y-auto p-6 grid grid-cols-1 lg:grid-cols-2 gap-8">
<div>
<h3 className="text-xl font-bold text-red-400 mb-4 flex items-center gap-2"><Icons.Alert /> 錯誤率最高的題目</h3>
<div className="space-y-3">
{analysis.sortedProblems.slice(0, 10).map((item, idx) => (
<div key={idx} className="bg-slate-700/50 p-3 rounded-lg border-l-4 border-red-500">
<div className="flex justify-between items-start mb-1">
<div className="font-serif text-xl text-white">{item.q}</div>
<div className="bg-red-900/50 text-red-300 px-2 py-0.5 rounded text-xs font-bold">{item.count} 人次答錯</div>
</div>
<div className="text-xs text-slate-400">分類: {item.category}</div>
<div className="text-xs text-slate-500 mt-1">提示: {item.h}</div>
</div>
))}
{analysis.sortedProblems.length === 0 && <div className="text-slate-500">尚無數據</div>}
</div>
</div>
<div>
<h3 className="text-xl font-bold text-orange-400 mb-4 flex items-center gap-2"><Icons.Chart /> 最不熟練的題型</h3>
<div className="space-y-4">
{analysis.sortedCategories.map((item, idx) => (
<div key={idx} className="relative pt-1">
<div className="flex mb-2 items-center justify-between">
<div>
<span className="text-xs font-semibold inline-block py-1 px-2 uppercase rounded-full text-orange-600 bg-orange-200">
{item.cat}
</span>
</div>
<div className="text-right">
<span className="text-xs font-semibold inline-block text-orange-200">
{item.count} 次錯誤
</span>
</div>
</div>
<div className="overflow-hidden h-2 mb-4 text-xs flex rounded bg-slate-700">
<div style={{ width: `${(item.count / Math.max(1, analysis.sortedCategories[0].count)) * 100}%` }} className="shadow-none flex flex-col text-center whitespace-nowrap text-white justify-center bg-orange-500"></div>
</div>
</div>
))}
{analysis.sortedCategories.length === 0 && <div className="text-slate-500">尚無數據</div>}
</div>
</div>
</div>
)}
</div>
</div>
</div>
);
};
// Teacher Login Modal
const TeacherLoginModal = ({ onClose, onLogin }) => {
const [password, setPassword] = useState("");
const [error, setError] = useState(false);
const handleLogin = () => {
if (password === "Ghjh") {
onLogin();
} else {
setError(true);
setTimeout(() => setError(false), 500);
}
};
return (
<div className="fixed inset-0 z-50 flex items-center justify-center bg-black/90 backdrop-blur-md p-4 animate-fade-in">
<div className="bg-slate-800 p-6 rounded-2xl border border-slate-600 shadow-2xl w-full max-w-sm text-center relative">
<button onClick={onClose} className="absolute top-3 right-3 text-slate-400 hover:text-white"><Icons.Check className="rotate-45" /></button>
<h2 className="text-xl font-bold text-slate-200 mb-4 flex justify-center items-center gap-2"><Icons.Teacher /> 教師登入</h2>
<input
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
className={`w-full bg-black/40 border ${error ? 'border-red-500' : 'border-slate-600'} rounded-lg px-4 py-2 text-center text-white mb-4 outline-none`}
placeholder="請輸入密碼"
autoFocus
/>
<button onClick={handleLogin} className="w-full bg-blue-600 hover:bg-blue-500 text-white py-2 rounded-lg font-bold">確認</button>
</div>
</div>
);
};
const Toast = ({ message, type, show }) => {
if (!show) return null;
return (
<div className={`fixed top-20 left-1/2 transform -translate-x-1/2 z-50 px-6 py-3 rounded-full shadow-2xl border-2 flex items-center gap-2 animate-slide-in ${
type === 'success'
? 'bg-yellow-900/90 border-yellow-400 text-yellow-100'
: 'bg-red-900/90 border-red-500 text-red-100'
}`}>
{type === 'success' ? <Icons.Crown /> : <Icons.Alert />}
<span className="font-bold text-sm md:text-base whitespace-nowrap">{message}</span>
</div>
);
};
const CoinBurst = () => {
const coins = Array.from({ length: 20 }).map((_, i) => ({
id: i,
tx: (Math.random() - 0.5) * 400,
ty: (Math.random() - 1.5) * 300,
rot: Math.random() * 720,
scale: 0.5 + Math.random() * 0.5,
delay: Math.random() * 0.2
}));
return (
<div className="absolute top-1/2 left-1/2 w-0 h-0 pointer-events-none z-50">
{coins.map((c) => (
<div
key={c.id}
className="absolute w-8 h-8 bg-yellow-400 rounded-full border-2 border-yellow-600 flex items-center justify-center text-yellow-700 font-bold shadow-[0_0_10px_rgba(234,179,8,0.8)]"
style={{
'--tx': `${c.tx}px`,
'--ty': `${c.ty}px`,
'--rot': `${c.rot}deg`,
animation: `coinFly 1.5s cubic-bezier(0.1, 0.8, 0.2, 1) forwards ${c.delay}s`
}}
>
$
</div>
))}
</div>
);
};
const TreasureChest = ({ isOpen, shake, children, questionText, hint, scrollStyle, combo }) => {
const [showHint, setShowHint] = useState(false);
useEffect(() => { if(isOpen) setShowHint(false); }, [isOpen]);
return (
<div className={`relative w-full max-w-[360px] mx-auto transition-all duration-300 ${shake ? 'animate-shake' : ''} ${isOpen ? 'scale-105' : ''}`}>
{/* 題目卷軸 */}
<div className={`absolute -top-36 left-1/2 transform -translate-x-1/2 w-[110%] z-20 transition-opacity duration-500 ${isOpen ? 'opacity-0 translate-y-[-20px]' : 'opacity-100'}`}>
<div className={`p-4 rounded-sm relative border-y-4 shadow-xl text-center ${scrollStyle}`}>
<div className="absolute -left-3 top-1/2 -translate-y-1/2 w-4 h-[110%] bg-neutral-800 rounded-l-lg shadow-lg flex flex-col justify-between py-1"></div>
<div className="absolute -right-3 top-1/2 -translate-y-1/2 w-4 h-[110%] bg-neutral-800 rounded-r-lg shadow-lg flex flex-col justify-between py-1"></div>
<div className="font-bold text-xs mb-1 tracking-widest uppercase opacity-70">Mission</div>
<div className="text-3xl md:text-4xl font-serif font-bold py-2 drop-shadow-sm flex justify-center items-baseline">
{questionText}
</div>
</div>
{/* Combo Indicator */}
{combo > 1 && (
<div className="absolute -right-8 top-0 transform rotate-12 bg-red-600 text-white font-black text-lg px-3 py-1 rounded-lg shadow-lg border-2 border-yellow-400 combo-fire z-30 flex items-center gap-1">
<Icons.Flame /> x{combo}
</div>
)}
<div className="absolute -bottom-8 left-1/2 -translate-x-1/2">
<button
onClick={() => setShowHint(!showHint)}
className="bg-blue-900/80 hover:bg-blue-800 text-blue-200 text-xs px-3 py-1 rounded-b-lg backdrop-blur flex items-center gap-1 transition-colors shadow-lg border border-t-0 border-blue-500/30"
>
<Icons.Help />
{showHint ? "隱藏提示" : "提示"}
</button>
</div>
{showHint && (
<div className="absolute -bottom-24 left-0 right-0 bg-blue-900/95 text-blue-100 text-sm p-3 rounded-xl border border-blue-400 shadow-2xl z-30 animate-fade-in">
<div className="absolute -top-2 left-1/2 -translate-x-1/2 w-4 h-4 bg-blue-900 transform rotate-45 border-t border-l border-blue-400"></div>
💡 {hint}
</div>
)}
</div>
{/* 寶箱 SVG */}
<svg viewBox="0 0 400 320" className="w-full drop-shadow-2xl mt-12">
<defs>
<linearGradient id="wood" x1="0" y1="0" x2="1" y2="1">
<stop offset="0%" stopColor="#3E2723" /><stop offset="50%" stopColor="#5D4037" /><stop offset="100%" stopColor="#3E2723" />
</linearGradient>
<linearGradient id="gold" x1="0" y1="0" x2="0" y2="1">
<stop offset="0%" stopColor="#FDB931" /><stop offset="50%" stopColor="#FFD700" /><stop offset="100%" stopColor="#C49102" />
</linearGradient>
<filter id="innerGlow">
<feGaussianBlur stdDeviation="10" result="blur"/>
<feComposite in="SourceGraphic" in2="blur" operator="arithmetic" k2="1" k3="1"/>
</filter>
</defs>
<path d="M 50 120 L 350 120 L 350 280 Q 350 310 320 310 L 80 310 Q 50 310 50 280 Z" fill="url(#wood)" stroke="#271c19" strokeWidth="3" />
<rect x="70" y="130" width="260" height="150" fill="#1a0f0a" />
{isOpen && (
<g>
<circle cx="200" cy="200" r="80" fill="#FFD700" opacity="0.3" filter="url(#innerGlow)" className="animate-pulse-glow" />
<path d="M 100 290 Q 200 200 300 290" fill="#FFD700" opacity="0.8" />
</g>
)}
<g className="transition-transform duration-700 origin-[200px_120px]" style={{ transform: isOpen ? 'rotateX(-110deg)' : 'rotateX(0)' }}>
<path d="M 40 120 Q 200 10 360 120 L 360 120 L 40 120 Z" fill="url(#wood)" stroke="#271c19" strokeWidth="3" />
<path d="M 40 120 L 360 120 L 360 280 L 40 280 Z" fill="url(#wood)" stroke="#271c19" strokeWidth="3" opacity={isOpen ? 0 : 1} />
<path d="M 190 120 L 190 180 L 210 180 L 210 120" fill="url(#gold)" opacity={isOpen ? 0 : 1} />
<circle cx="200" cy="180" r="15" fill="url(#gold)" stroke="#8a6e03" strokeWidth="2" opacity={isOpen ? 0 : 1} />
</g>
<path d="M 50 120 L 80 120 L 80 310 M 350 120 L 320 120 L 320 310" stroke="url(#gold)" strokeWidth="6" fill="none" />
</svg>
{/* 輸入框 */}
<div className={`absolute top-[60%] left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-[80%] transition-all duration-300 ${isOpen ? 'opacity-0 pointer-events-none scale-90' : 'opacity-100 scale-100'}`}>
<div className="bg-black/70 p-2 rounded-lg border border-amber-600/50 shadow-inner backdrop-blur-sm flex gap-2 items-center">
{children}
</div>
</div>
{isOpen && <CoinBurst />}
</div>
);
};
// --- Main Game Logic ---
function FactoringGame() {
// State: Game Flow
const [gameState, setGameState] = useState('menu'); // menu, playing, level_complete, shop, leaderboard, teacher_dashboard
const [activeCategory, setActiveCategory] = useState(null);
const [currentProblemIndex, setCurrentProblemIndex] = useState(0);
// State: Input
const [inputAnswer, setInputAnswer] = useState("");
const [cursorPos, setCursorPos] = useState(0);
// State: Feedback
const [shake, setShake] = useState(false);
const [chestOpen, setChestOpen] = useState(false);
const [combo, setCombo] = useState(0);
// ★★★ 改良的資料初始化邏輯：支援多房間存檔 ★★★
const [userData, setUserData] = useState(() => {
// 1. 取得網址中的房間參數
const params = new URLSearchParams(window.location.search);
const urlRoomId = params.get('room') || "";
// 2. 計算該房間對應的儲存 Key
const storageKey = getStorageKey(urlRoomId);
const saved = localStorage.getItem(storageKey);
// 預設資料結構
const defaultData = {
score: 0,
name: "",
roomId: urlRoomId, // 初始化時就綁定正確的 roomId
mistakes: {},
unlockedItems: ['title_novice', 'scroll_default'],
equippedTitle: 'title_novice',
equippedScroll: 'scroll_default',
completedLevels: []
};
if (saved) {
try {
const parsed = JSON.parse(saved);
// 合併以確保新舊欄位都存在，並強制更新 roomId 為當前網址的 ID
return { ...defaultData, ...parsed, roomId: urlRoomId };
} catch (e) {
console.error("Load error", e);
}
}
// 如果沒有存檔（新房間），回傳預設值（相當於開新帳號）
return defaultData;
});
const [showNameModal, setShowNameModal] = useState(false);
const [showTeacherLogin, setShowTeacherLogin] = useState(false);
// Leaderboard & Notifications
const [leaderboardData, setLeaderboardData] = useState([]);
const [currentUser, setCurrentUser] = useState(null);
const [notification, setNotification] = useState({ show: false, message: "", type: "" });
const previousRankRef = useRef(null);
const lastOvertakenTimeRef = useRef(0);
const inputRef = useRef(null);
// Notification Templates
const OVERTAKE_MESSAGES = [
"小心！{name} 剛剛超越你了！",
"警報！{name} 的分數超過你了！",
"被 {name} 超車了！快追回來！",
"{name} 正在大殺四方，你的排名下降了！",
"注意！{name} 搶走了你的名次！"
];
// --- Initial Check for Name ---
useEffect(() => {
if (!userData.name || userData.name === "冒險者") {
setShowNameModal(true);
}
}, []);
// ★★★ 新增：處理手動輸入房間代碼後的切換邏輯 ★★★
// 這部分是為了 NameModal 提交後的行為
const handleJoinRoom = (name, newRoomId) => {
const targetRoomId = newRoomId.trim();
// 只有當房間代碼真的改變時，才進行切換
if (targetRoomId !== userData.roomId) {
const newKey = getStorageKey(targetRoomId);
const saved = localStorage.getItem(newKey);
let newData;
if (saved) {
// 載入該房間的舊進度
newData = JSON.parse(saved);
// 確保名字更新為使用者剛輸入的
newData.name = name;
showNotification(`已切換至房間：${targetRoomId}`, "success");
} else {
// 該房間沒有紀錄，建立新帳號
newData = {
score: 0,
name: name,
roomId: targetRoomId,
mistakes: {},
unlockedItems: ['title_novice', 'scroll_default'],
equippedTitle: 'title_novice',
equippedScroll: 'scroll_default',
completedLevels: []
};
showNotification(`已加入新房間：${targetRoomId}`, "success");
}
setUserData(newData);
} else {
// 房間沒變，只更新名字
setUserData(prev => ({ ...prev, name, roomId: targetRoomId }));
}
setShowNameModal(false);
};
// Save Data (Modified to use dynamic key based on current userData.roomId)
useEffect(() => {
const key = getStorageKey(userData.roomId);
localStorage.setItem(key, JSON.stringify(userData));
}, [userData]);
// --- Firebase Logic ---
useEffect(() => {
initFirebase();
if (!window.firebaseModules || !auth) return;
const { signInAnonymously, onAuthStateChanged } = window.firebaseModules;
const { collection, onSnapshot } = window.firebaseModules;
signInAnonymously(auth).catch(console.error);
onAuthStateChanged(auth, (user) => { if (user) setCurrentUser(user); });
// Listen to Leaderboard (Get ALL then filter in client for specific views)
const unsubscribe = onSnapshot(getLeaderboardCollection(collection), (snapshot) => {
const lb = [];
snapshot.forEach(doc => lb.push({ ...doc.data(), uid: doc.id }));
lb.sort((a, b) => b.score - a.score);
setLeaderboardData(lb);
// Passive Overtake Check (Only if in same room or global)
if (gameState !== 'teacher_dashboard' && currentUser) {
// Filter leaderboard by my room for ranking check
const myRoomLb = userData.roomId ? lb.filter(u => u.roomId === userData.roomId) : lb;
const myNewIndex = myRoomLb.findIndex(u => u.uid === currentUser.uid);
const myNewRank = myNewIndex === -1 ? 999 : myNewIndex + 1;
if (previousRankRef.current !== null && myNewRank > previousRankRef.current && Date.now() - lastOvertakenTimeRef.current > 60000) {
const rival = myRoomLb[myNewIndex - 1];
const rivalName = rival ? rival.name : "神秘探險家";
const randomMsg = OVERTAKE_MESSAGES[Math.floor(Math.random() * OVERTAKE_MESSAGES.length)].replace("{name}", rivalName);
showNotification(randomMsg, "error");
lastOvertakenTimeRef.current = Date.now();
}
previousRankRef.current = myNewRank;
}
}, (error) => console.log("Sync error:", error));
return () => unsubscribe();
}, [currentUser, gameState, userData.roomId]);
// Sync Score & Data
useEffect(() => {
if (!currentUser || !db || !userData.name) return;
const { doc, setDoc } = window.firebaseModules;
const userRef = getUserDoc(doc, currentUser.uid);
setDoc(userRef, {
name: userData.name,
score: userData.score,
roomId: userData.roomId || "", // Sync Room ID
mistakes: userData.mistakes || {}, // Sync Mistakes
title: SHOP_ITEMS.find(i => i.id === userData.equippedTitle)?.name || 'Novice',
updatedAt: Date.now()
}, { merge: true }).catch(e => console.log("Score sync failed:", e));
}, [userData, currentUser]);
// --- Helper Functions ---
const showNotification = (msg, type) => {
setNotification({ show: true, message: msg, type });
setTimeout(() => setNotification(prev => ({ ...prev, show: false })), 3000);
};
const normalizeInput = (input) => input.replace(/\s/g, "").replace(/\^2/g, "^2").replace(/（/g, "(").replace(/）/g, ")");
const playSound = (type) => {
try {
const ctx = new (window.AudioContext || window.webkitAudioContext)();
const osc = ctx.createOscillator();
const gain = ctx.createGain();
osc.connect(gain);
gain.connect(ctx.destination);
if (type === 'success') {
osc.frequency.setValueAtTime(523.25, ctx.currentTime);
osc.frequency.exponentialRampToValueAtTime(1046.5, ctx.currentTime + 0.1);
gain.gain.setValueAtTime(0.3, ctx.currentTime);
gain.gain.exponentialRampToValueAtTime(0.01, ctx.currentTime + 0.5);
} else {
osc.type = 'sawtooth';
osc.frequency.setValueAtTime(150, ctx.currentTime);
osc.frequency.linearRampToValueAtTime(100, ctx.currentTime + 0.2);
gain.gain.setValueAtTime(0.2, ctx.currentTime);
gain.gain.linearRampToValueAtTime(0.01, ctx.currentTime + 0.2);
}
osc.start();
osc.stop(ctx.currentTime + (type === 'success' ? 0.5 : 0.2));
} catch (e) {}
};
const handleCheckAnswer = () => {
if (!inputAnswer || !activeCategory) return;
const currentProblem = activeCategory.problems[currentProblemIndex];
const normalizedUser = normalizeInput(inputAnswer);
const normalizedAnswers = currentProblem.a.map(normalizeInput);
if (normalizedAnswers.includes(normalizedUser)) {
// Correct
setChestOpen(true);
playSound('success');
const newCombo = combo + 1;
setCombo(newCombo);
const bonus = newCombo > 1 ? (newCombo - 1) * 10 : 0;
const newScore = userData.score + 100 + bonus;
// Overtake Notification Logic
const myRoomLb = userData.roomId ? leaderboardData.filter(u => u.roomId === userData.roomId) : leaderboardData;
let potentialRank = 1;
myRoomLb.forEach(u => { if (u.uid !== currentUser?.uid && u.score >= newScore) potentialRank++; });
if (previousRankRef.current !== null && potentialRank < previousRankRef.current) {
showNotification(`太棒了！你的排名上升到第 ${potentialRank} 名！`, "success");
}
setUserData(prev => ({ ...prev, score: newScore }));
setTimeout(() => {
if (currentProblemIndex < activeCategory.problems.length - 1) {
setCurrentProblemIndex(p => p + 1);
setInputAnswer("");
setCursorPos(0);
setChestOpen(false);
} else {
setUserData(prev => ({
...prev,
completedLevels: prev.completedLevels.includes(activeCategory.id)
? prev.completedLevels
: [...prev.completedLevels, activeCategory.id]
}));
setGameState('level_complete');
}
}, 2000);
} else {
// Wrong Answer
setShake(true);
playSound('error');
setCombo(0);
// Record Mistake
setUserData(prev => {
const newMistakes = { ...prev.mistakes };
newMistakes[currentProblem.id] = (newMistakes[currentProblem.id] || 0) + 1;
return { ...prev, mistakes: newMistakes };
});
setTimeout(() => setShake(false), 500);
if (navigator.vibrate) navigator.vibrate(200);
}
};
const insertSymbol = (symbol) => {
const input = inputRef.current;
// Determine insertion point: prefer current cursor, fallback to end if lost
let start = cursorPos;
let end = cursorPos;
// If input is actually focused in DOM, use its real selection properties
if (input && document.activeElement === input) {
start = input.selectionStart;
end = input.selectionEnd;
} else if (input) {
// If not focused (e.g. lost focus to button click), assume state cursorPos is valid
// or default to end of string if unsure
if (start > inputAnswer.length) start = inputAnswer.length;
end = start;
}
const text = inputAnswer;
const newText = text.substring(0, start) + symbol + text.substring(end);
const newPos = start + symbol.length;
setInputAnswer(newText);
setCursorPos(newPos);
// Force focus and set selection after render cycle
setTimeout(() => {
if (inputRef.current) {
inputRef.current.focus();
inputRef.current.setSelectionRange(newPos, newPos);
}
}, 0);
};
const deleteSymbol = () => {
const input = inputRef.current;
let start = cursorPos;
let end = cursorPos;
if (input && document.activeElement === input) {
start = input.selectionStart;
end = input.selectionEnd;
}
const text = inputAnswer;
let newText = text;
let newPos = start;
if (start !== end) {
newText = text.substring(0, start) + text.substring(end);
newPos = start;
} else if (start > 0) {
newText = text.substring(0, start - 1) + text.substring(end);
newPos = start - 1;
}
setInputAnswer(newText);
setCursorPos(newPos);
setTimeout(() => {
if (inputRef.current) {
inputRef.current.focus();
inputRef.current.setSelectionRange(newPos, newPos);
}
}, 0);
};
const handleSelect = (e) => {
// Sync React state with DOM state on user interaction
setCursorPos(e.target.selectionStart);
};
const renderMath = (text) => <span className="font-math text-3xl md:text-4xl">{text.split(/(\^[0-9]+)/g).map((part, i) => part.startsWith("^") ? <sup key={i} className="text-xs font-bold relative -top-3 left-0.5" style={{verticalAlign: 'super'}}>{part.substring(1)}</sup> : part)}</span>;
const getDynamicKeyboard = (question) => { const vars = new Set(); (question.match(/[a-z]/g) || []).forEach(m => vars.add(m)); if (vars.size === 0) vars.add('x'); return Array.from(vars).sort(); };
const handleBuy = (item) => { if (userData.score >= item.price) { setUserData(prev => ({ ...prev, score: prev.score - item.price, unlockedItems: [...prev.unlockedItems, item.id] })); } else { alert("金幣不足！"); } };
const handleEquip = (item) => { if (item.type === 'title') setUserData(prev => ({ ...prev, equippedTitle: item.id })); else if (item.type === 'scroll') setUserData(prev => ({ ...prev, equippedScroll: item.id })); };
const currentTitle = SHOP_ITEMS.find(i => i.id === userData.equippedTitle);
const currentScroll = SHOP_ITEMS.find(i => i.id === userData.equippedScroll);
const shuffleArray = (array) => { const newArr = [...array]; for (let i = newArr.length - 1; i > 0; i--) { const j = Math.floor(Math.random() * (i + 1)); [newArr[i], newArr[j]] = [newArr[j], newArr[i]]; } return newArr; };
const handleLevelSelect = (cat) => {
if (cat.id === 'challenge') {
let allProblems = []; ALL_CATEGORIES.forEach(c => { allProblems = [...allProblems, ...c.problems]; });
const shuffled = shuffleArray(allProblems);
setActiveCategory({ ...cat, problems: shuffled });
} else { setActiveCategory(cat); }
setCurrentProblemIndex(0); setInputAnswer(""); setCursorPos(0); setChestOpen(false); setCombo(0); setGameState('playing');
};
// --- Renders ---
if (gameState === 'teacher_dashboard') {
return <TeacherDashboard onClose={() => setGameState('menu')} allData={leaderboardData} />;
}
// 使用修改後的 handleJoinRoom 替換原本的直接 setUserData
if (showNameModal) return <div className="relative min-h-screen"><div className="palace-bg"></div><div className="palace-overlay"></div><NameModal onSubmit={handleJoinRoom} /></div>;
if (showTeacherLogin) return <TeacherLoginModal onClose={() => setShowTeacherLogin(false)} onLogin={() => { setShowTeacherLogin(false); setGameState('teacher_dashboard'); }} />;
if (gameState === 'leaderboard') {
const displayData = userData.roomId
? leaderboardData.filter(u => u.roomId === userData.roomId)
: leaderboardData;
return (
<div className="min-h-screen flex flex-col p-4 relative overflow-hidden">
<div className="palace-bg"></div><div className="palace-overlay"></div><div className="palace-pillars"></div>
<div className="flex items-center justify-between mb-6 z-10">
<button onClick={() => setGameState('menu')} className="bg-slate-800 hover:bg-slate-700 p-2 rounded-full text-slate-400 hover:text-white transition-all"><Icons.Home /></button>
<h2 className="text-xl font-bold text-amber-100">
{userData.roomId ? `房間 ${userData.roomId} 排行榜` : "全球冒險家排行榜"}
</h2>
<div className="w-8"></div>
</div>
<div className="z-10 flex-1 overflow-y-auto pb-10 max-w-md mx-auto w-full">
<div className="bg-slate-900/80 rounded-2xl border border-slate-700 backdrop-blur-md overflow-hidden">
<div className="p-4 border-b border-slate-700 flex text-slate-400 text-xs uppercase tracking-widest"><div className="w-12 text-center">Rank</div><div className="flex-1">Name</div><div className="w-20 text-right">Bounty</div></div>
{displayData.slice(0, 50).map((user, idx) => (
<div key={idx} className={`leaderboard-row flex items-center p-4 border-b border-slate-800/50 hover:bg-white/5 transition-colors ${user.uid === currentUser?.uid ? 'bg-amber-900/20' : ''}`}>
<div className="w-12 text-center font-bold text-lg rank text-slate-500">{idx + 1}</div>
<div className="flex-1"><div className="font-bold text-slate-200">{user.name || "Unknown"}</div><div className="text-[10px] text-slate-500">{user.title || "Novice"}</div></div>
<div className="w-20 text-right font-mono text-yellow-500 font-bold">${user.score}</div>
</div>
))}
{displayData.length === 0 && <div className="p-8 text-center text-slate-500">暫無數據</div>}
</div>
</div>
</div>
);
}
if (gameState === 'shop') {
return (
<div className="min-h-screen flex flex-col p-4 relative overflow-hidden">
<div className="palace-bg"></div><div className="palace-overlay"></div><div className="palace-pillars"></div>
<div className="flex items-center justify-between mb-6 z-10">
<button onClick={() => setGameState('menu')} className="bg-slate-800 hover:bg-slate-700 p-2 rounded-full text-slate-400 hover:text-white transition-all"><Icons.Home /></button>
<div className="flex items-center gap-2 text-yellow-500 font-bold bg-black/50 px-3 py-1 rounded-full backdrop-blur"><Icons.Coins /> {userData.score}</div>
</div>
<div className="z-10 flex-1 overflow-y-auto pb-10">
<h2 className="text-2xl font-bold text-amber-100 mb-4 text-center">遺跡商店</h2>
<h3 className="text-slate-400 text-xs uppercase tracking-widest mb-2 ml-1">榮耀稱號</h3>
<div className="grid gap-3 mb-6">
{SHOP_ITEMS.filter(i => i.type === 'title').map(item => {
const isOwned = userData.unlockedItems.includes(item.id); const isEquipped = userData.equippedTitle === item.id;
return <div key={item.id} className={`bg-slate-900/80 p-4 rounded-xl border ${isEquipped ? 'border-amber-500 bg-amber-900/20' : 'border-slate-700'} flex justify-between items-center backdrop-blur-sm`}><div><div className="text-slate-200 font-bold">{item.name}</div><div className="text-xs text-slate-500">{item.desc}</div></div>{isOwned ? <button onClick={() => handleEquip(item)} disabled={isEquipped} className={`px-3 py-1 rounded text-xs font-bold ${isEquipped ? 'bg-green-600 text-white' : 'bg-slate-700 text-slate-300 hover:bg-slate-600'}`}>{isEquipped ? '使用中' : '裝備'}</button> : <button onClick={() => handleBuy(item)} className="bg-amber-700 hover:bg-amber-600 text-amber-100 px-3 py-1 rounded text-xs font-bold flex items-center gap-1">${item.price} 購買</button>}</div>
})}
</div>
<h3 className="text-slate-400 text-xs uppercase tracking-widest mb-2 ml-1">卷軸樣式</h3>
<div className="grid gap-3 mb-8">
{SHOP_ITEMS.filter(i => i.type === 'scroll').map(item => {
const isOwned = userData.unlockedItems.includes(item.id); const isEquipped = userData.equippedScroll === item.id;
return <div key={item.id} className={`bg-slate-900/80 p-4 rounded-xl border ${isEquipped ? 'border-amber-500 bg-amber-900/20' : 'border-slate-700'} flex justify-between items-center backdrop-blur-sm`}><div><div className="text-slate-200 font-bold">{item.name}</div><div className="text-xs text-slate-500">{item.desc}</div></div>{isOwned ? <button onClick={() => handleEquip(item)} disabled={isEquipped} className={`px-3 py-1 rounded text-xs font-bold ${isEquipped ? 'bg-green-600 text-white' : 'bg-slate-700 text-slate-300 hover:bg-slate-600'}`}>{isEquipped ? '使用中' : '裝備'}</button> : <button onClick={() => handleBuy(item)} className="bg-amber-700 hover:bg-amber-600 text-amber-100 px-3 py-1 rounded text-xs font-bold flex items-center gap-1">${item.price} 購買</button>}</div>
})}
</div>
</div>
</div>
);
}
if (gameState === 'menu') {
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6 relative overflow-y-auto">
<div className="palace-bg"></div><div className="palace-overlay"></div><div className="palace-pillars"></div>
<Toast message={notification.message} type={notification.type} show={notification.show} />
<button onClick={() => setShowTeacherLogin(true)} className="absolute top-4 left-4 text-slate-600 hover:text-slate-400 z-50"><Icons.Lock /></button>
{userData.roomId && <div className="absolute top-4 right-4 text-slate-500 text-xs border border-slate-700 px-2 py-1 rounded bg-black/50">Room: {userData.roomId}</div>}
<div className="z-10 w-full max-w-md text-center animate-fade-in">
<div className="mb-2 text-amber-400 text-xs tracking-[0.3em] uppercase opacity-80">Algebra Relics</div>
<h1 className="text-4xl font-bold text-transparent bg-clip-text bg-gradient-to-r from-amber-200 to-yellow-500 mb-2 drop-shadow-lg tracking-wider">代數遺跡</h1>
<div className="text-slate-400 text-sm mb-8 bg-slate-900/50 inline-block px-4 py-1 rounded-full border border-slate-700 backdrop-blur">
<span className="text-amber-500 font-bold mr-2">{userData.name}</span>{currentTitle ? currentTitle.name : '冒險者'}
</div>
<div className="grid gap-3 mb-8">
{[...ALL_CATEGORIES, CHALLENGE_CATEGORY_TEMPLATE].map((cat) => {
const isCleared = userData.completedLevels.includes(cat.id); const isChallenge = cat.id === 'challenge';
return (
<button key={cat.id} onClick={() => handleLevelSelect(cat)} className={`relative overflow-hidden group p-4 rounded-xl border ${isChallenge ? 'border-red-500/50 bg-red-900/30' : (isCleared ? 'border-amber-500/50 bg-amber-900/40' : 'border-slate-700 bg-slate-900/80')} hover:bg-slate-800/90 transition-all duration-300 text-left shadow-lg hover:shadow-amber-900/20 hover:scale-[1.02] backdrop-blur-sm`}>
<div className={`absolute inset-0 bg-gradient-to-r ${cat.color} opacity-0 group-hover:opacity-10 transition-opacity`}></div>
<div className="flex justify-between items-center">
<div><h3 className={`text-lg font-bold transition-colors flex items-center gap-2 ${isCleared ? 'text-amber-400' : 'text-slate-200 group-hover:text-amber-400'}`}>{cat.title} {isCleared && <div className="animate-pop text-yellow-400"><Icons.Crown /></div>}</h3><p className="text-xs text-slate-500">{cat.desc}</p></div>
<div className="flex items-center gap-2">{isCleared && <span className="text-[10px] font-bold text-amber-500 tracking-widest border border-amber-500 px-1 rounded">CLEARED</span>}<div className="bg-slate-800 p-2 rounded-full group-hover:bg-slate-700 text-slate-400 group-hover:text-white transition-colors"><Icons.ArrowRight /></div></div>
</div>
</button>
);
})}
</div>
<div className="flex justify-between gap-2 relative">
<div className="flex-1 flex justify-between items-center bg-black/60 p-3 rounded-xl border border-slate-800 backdrop-blur-md">
<div className="flex items-center gap-2 text-yellow-500 font-bold text-lg"><Icons.Coins /> <span>{userData.score}</span></div>
<button onClick={() => setGameState('shop')} className="bg-amber-700 hover:bg-amber-600 text-amber-100 px-3 py-2 rounded-lg text-sm font-bold flex items-center gap-2 transition-colors"><Icons.ShoppingBag /> <span className="hidden sm:inline">商店</span></button>
</div>
<button onClick={() => setGameState('leaderboard')} className="bg-slate-800 hover:bg-slate-700 text-slate-200 px-4 py-2 rounded-xl border border-slate-700 flex items-center justify-center relative shadow-lg active:scale-95 transition-transform"><Icons.Trophy /></button>
</div>
</div>
</div>
);
}
if (gameState === 'playing' && activeCategory) {
const problem = activeCategory.problems[currentProblemIndex];
const dynamicVars = getDynamicKeyboard(problem.q);
return (
<div className="fixed inset-0 flex flex-col overflow-hidden">
<div className="palace-bg"></div><div className="palace-overlay"></div><div className="palace-pillars"></div>
<Toast message={notification.message} type={notification.type} show={notification.show} />
<div className="h-16 bg-slate-900/90 backdrop-blur border-b border-slate-800 flex items-center justify-between px-4 z-50 shrink-0">
<button onClick={() => setGameState('menu')} className="bg-slate-800 hover:bg-slate-700 text-white px-4 py-2 rounded-lg font-bold shadow-md border border-slate-600 flex items-center gap-2 transition-all active:scale-95"><Icons.Home /> <span className="hidden sm:inline">返回地圖</span></button>
<div className="flex items-center gap-4">
<div className="flex flex-col items-end"><span className="text-[10px] text-slate-500 uppercase tracking-wider">{activeCategory.title}</span><div className="flex items-center gap-1 text-amber-400 text-sm font-bold"><span>Stage {currentProblemIndex + 1}</span><span className="text-slate-600">/</span><span className="text-slate-500">{activeCategory.problems.length}</span></div></div>
<div className="bg-slate-800 px-3 py-1.5 rounded-full border border-slate-700 flex items-center gap-2"><Icons.Coins /> <span className="text-yellow-500 font-mono font-bold">{userData.score}</span></div>
</div>
</div>
<div className="flex-1 relative flex flex-col items-center justify-center pb-20">
<TreasureChest isOpen={chestOpen} shake={shake} questionText={renderMath(problem.q)} hint={problem.h} scrollStyle={currentScroll ? currentScroll.styleClass : 'scroll-paper-default'} combo={combo}>
<input ref={inputRef} type="text" inputMode="none" value={inputAnswer} onChange={(e) => { setInputAnswer(e.target.value); setCursorPos(e.target.selectionStart); }} onSelect={handleSelect} onClick={handleSelect} onKeyUp={handleSelect} placeholder="輸入密碼" className={`flex-1 bg-transparent text-center text-xl font-mono font-bold tracking-widest focus:outline-none transition-colors placeholder-amber-800/30 ${shake ? "text-red-400" : "text-amber-300"}`} autoComplete="off" disabled={chestOpen} />
<button onClick={handleCheckAnswer} disabled={!inputAnswer || chestOpen} className={`px-4 py-1 rounded border transition-all active:scale-95 font-bold text-sm whitespace-nowrap shadow-lg ${chestOpen ? "bg-green-600 border-green-400 text-white opacity-0" : "bg-amber-700 border-amber-500 text-amber-100 hover:bg-amber-600"}`}>解鎖</button>
</TreasureChest>
</div>
<div className={`absolute bottom-0 left-0 right-0 bg-[#16101a] border-t border-slate-800 p-2 z-50 transition-transform duration-500 ${chestOpen ? 'translate-y-full' : 'translate-y-0'}`}>
<div className="max-w-2xl mx-auto">
<div className="flex gap-1 mb-1.5 justify-center">{[...dynamicVars, '+', '-', '(', ')', '^2'].map(sym => <button onMouseDown={(e) => e.preventDefault()} onTouchStart={(e) => e.preventDefault()} key={sym} onClick={() => insertSymbol(sym)} className="flex-1 h-10 md:h-12 bg-[#2d2033] hover:bg-[#3e2d45] active:bg-[#251a2b] text-amber-100 rounded border-b-2 border-[#1a101f] active:border-b-0 active:translate-y-[2px] transition-all font-mono text-lg md:text-xl font-bold shadow-sm">{sym === '^2' ? <span>^<sup className="text-xs font-bold relative -top-1">2</sup></span> : sym}</button>)}<button onMouseDown={(e) => e.preventDefault()} onTouchStart={(e) => e.preventDefault()} onClick={deleteSymbol} className="flex-none w-14 h-10 md:h-12 bg-slate-700 hover:bg-slate-600 text-slate-200 rounded border-b-2 border-slate-800 active:border-b-0 active:translate-y-[2px] flex items-center justify-center"><Icons.Backspace /></button><button onMouseDown={(e) => e.preventDefault()} onTouchStart={(e) => e.preventDefault()} onClick={() => { setInputAnswer(""); setCursorPos(0); inputRef.current?.focus(); }} className="flex-none w-14 h-10 md:h-12 bg-red-900/30 hover:bg-red-900/50 text-red-400 rounded border-b-2 border-red-900/50 active:border-b-0 active:translate-y-[2px] text-xs font-bold">清除</button></div>
<div className="flex gap-1 justify-center">{['1','2','3','4','5','6','7','8','9','0'].map(num => <button onMouseDown={(e) => e.preventDefault()} onTouchStart={(e) => e.preventDefault()} key={num} onClick={() => insertSymbol(num)} className="flex-1 h-10 md:h-12 bg-[#1f1623] hover:bg-[#2d2033] active:bg-[#16101a] text-slate-400 hover:text-amber-200 rounded border-b-2 border-black active:border-b-0 active:translate-y-[2px] transition-all font-mono text-lg md:text-xl font-bold shadow-sm">{num}</button>)}</div>
</div>
</div>
</div>
);
}
if (gameState === 'level_complete') {
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6 relative text-center">
<div className="palace-bg"></div><div className="palace-overlay"></div><div className="palace-pillars"></div>
<div className="bg-slate-900/90 p-8 rounded-2xl border border-amber-500/50 shadow-2xl max-w-sm w-full animate-fade-in backdrop-blur-md">
<div className="flex justify-center mb-6"><div className="relative"><div className="absolute inset-0 bg-yellow-500 blur-xl opacity-30 animate-pulse"></div><Icons.Coins /></div></div>
<h2 className="text-3xl font-bold text-white mb-2">關卡完成！</h2>
<p className="text-slate-400 mb-6">你已經征服了 {activeCategory?.title}</p>
<div className="bg-black/40 p-4 rounded-lg mb-8"><p className="text-sm text-slate-500 uppercase tracking-widest mb-1">Current Bounty</p><p className="text-4xl font-bold text-yellow-500 font-mono">${userData.score}</p></div>
<div className="flex gap-3"><button onClick={() => setGameState('menu')} className="flex-1 bg-slate-700 hover:bg-slate-600 text-white py-3 rounded-lg font-bold transition-colors">返回地圖</button><button onClick={() => setGameState('shop')} className="flex-1 bg-amber-700 hover:bg-amber-600 text-white py-3 rounded-lg font-bold transition-colors">前往商店</button></div>
</div>
</div>
);
}
return null;
}
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(<FactoringGame />);
</script>
</body>
</html> |