// ==UserScript==
// @name         Steam 许可分类器
// @namespace    http://tampermonkey.net/
// @version      2.4.12
// @description  对Steam账户许可进行分类：商店、零售、礼物、免费，支持绝版游戏检查
// @author       SmallFork
// @match        https://store.steampowered.com/account/licenses*
// @grant        GM_info
// @grant        GM_xmlhttpRequest
// @grant        GM_setClipboard
// @grant        GM_getResourceText
// @grant        unsafeWindow
// @resource     delistedData https://raw.githubusercontent.com/SmallFork/json/main/steam_delisted_apps.json
// @connect      api.steampowered.com
// @connect      raw.githubusercontent.com
// @license      MIT
// @tag          Steam
// @tag          games
// @homepageURL  https://keylol.com/t1035308-1-1
// @icon         data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><circle cx='50' cy='50' r='48' fill='%23171a21'/><rect x='28' y='18' width='44' height='56' rx='4' fill='%2366c0f4' opacity='.9'/><rect x='34' y='28' width='32' height='4' rx='2' fill='%23171a21' opacity='.5'/><rect x='34' y='36' width='24' height='4' rx='2' fill='%23171a21' opacity='.5'/><rect x='34' y='44' width='28' height='4' rx='2' fill='%23171a21' opacity='.5'/><circle cx='38' cy='58' r='5' fill='%234caf50'/><circle cx='50' cy='58' r='5' fill='%23ff9800'/><circle cx='62' cy='58' r='5' fill='%239c27b0'/><circle cx='50' cy='68' r='5' fill='%23e91e63'/></svg>
// ==/UserScript==

(function() {
    'use strict';

    // ==================== 配置 ====================
    const CFG = {
        PAGE_SIZE: 50, DEBOUNCE: 150, BLOB_CLEANUP: 500,
        DATE_W: 160, DAY_MS: 864e5, OBS_DEBOUNCE: 150,
        STICKY: 0,
        REDEEM_MAX: 9, REDEEM_WAIT: 20,
        MAX_PAGES: 3000, PAGE_DELAY: 150,
        CACHE_TTL: 7 * 864e5, // 缓存有效期 7 天（毫秒）
        INCREMENTAL_MAX_PAGES: 500, // 增量加载兜底：最多抓取页数，防止缓存指纹失配导致死循环
        STALE_CACHE_THRESHOLD: 5 // 连续全新页达到此数时判定缓存失效
    };

    // ==================== I18N ====================
    const ZH = {
        store:'商店',retail:'零售',free:'免费',gift:'礼物',all:'全部',total:'总计',
        pageTitle:'{nickname} 的许可',searchPlaceholder:'搜索游戏名称...',
        showAll:'显示全部',pagedView:'分页显示',prev:'上一页',next:'下一页',
        historyLink:'消费历史记录',
        advanced:'高级选项',dateFrom:'从',dateTo:'到',
        sortBy:'排序',nameAsc:'名称 A-Z',nameDesc:'名称 Z-A',dateLabel:'日期',clearFilter:'清除筛选',
        donutTitle:'许可分布详情',
        exportCSV:'CSV',exportJSON:'JSON',exportFailed:'导出失败',exportNoData:'导出失败: 没有数据',exportSuccess:'导出成功',
        csvDate:'日期',csvName:'名称',csvCategory:'分类',csvDetails:'获取方式',
        redeemBtn:'激活',redeemTitle:'CDKey 批量激活',
        redeemPlaceholder:'输入CDKey，支持批量激活',
        activateBtn:'激活Key',pasteBtn:'粘贴',clearBtn:'清空',copySub:'复制Sub',noSubData:'没有可复制的Sub',pasteNoKey:'没提取到Key',pasteKeyCount:'共提取{count}个Key',
        indexLabel:'#',resultLabel:'结果',detailLabel:'详情',itemLabel:'项目',
        success:'成功',fail:'失败',redeeming:'激活中',waiting:'等待中',
        copyFailed:'复制失败Key',noFailedKeys:'没有失败的Key',copiedKeys:'复制成功',clearHistory:'清空历史',
        redeemDone:'激活完成：共{total}个，成功{success}个，失败{fail}个',
        totalLabel:'总计',successLabel:'成功',failLabel:'失败',
        networkError:'网络错误或超时',othersError:'其他错误',
        invalidKey:'无效激活码',duplicateKey:'重复激活',rateLimit:'次数上限',regionRestrict:'地区限制',alreadyOwned:'已拥有',missingDep:'缺少主游戏',walletCode:'这是充值码',successDetail:'激活成功',
        withoutFree:'排除免费',freeDisabled:'已排除免费，无法查看免费分类',yearTitle:'年份',noData:'暂无数据',
        calendarTitle:'日历热力图',calendarNoData:'没有数据',calendarLess:'少',calendarMore:'多',countUnit:'个',
        filterCleared:'已清除筛选',clearCache:'清除缓存并刷新',clearCacheConfirm:'确定要清除所有缓存并刷新页面吗？',confirmOk:'确定',confirmCancel:'取消',noKeyInput:'没有输入Key',inputCleared:'已清空',
        monthlyDistribution:'月度分布',
        similarTitle:'相同许可猜测',similarPrefixLen:'前缀单词数',similarCount:'数量',
        dataNote:'数据仅供参考，实际以系统记录为准',
        trendTitle:'许可增加曲线',trendCumulative:'累加模式',
        predictTitle:'添加许可频率分析',
        predictDays:'天',
        predictNextDate:'预计下次添加',predictLastDate:'最后添加日期',
        predictTotalGames:'添加许可总天数',predictTotalItems:'非免费许可总数',
        predictAvgPerDay:'平均每日许可数',predictOverallAvg:'平均间隔',
        predictYearAvg:'年均间隔',predictYearCount:'添加天数',
        predictYearLicenses:'许可数',predictDailyLicenses:'每日许可数',predictYearRatio:'一年占比',predictNote:'基于历史数据预测，仅供参考',
        delistedTitle:'绝版游戏检查',delistedTotal:'绝版总数',delistedOwned:'已拥有',delistedMissing:'未拥有',
        delistedOwnership:'绝版拥有率',delistedSearch:'搜索绝版游戏...',delistedFetching:'正在获取游戏库...',
        delistedFetchFail:'获取游戏库失败',delistedNoData:'暂无绝版游戏数据',delistedLoaded:'已加载绝版数据',
        typeDelisted:'已下架',typePurchaseDisabled:'已禁售',typeF2P:'F2P不可用',typeRetailOnly:'仅零售',typeTestApp:'测试应用',
        delistedOwners:'拥有占比',delistedDate:'下架时间',delistedAchievements:'成就数',delistedCardName:'游戏名称',delistedCover:'封面',
        autoLoadingLicenses:'正在加载入库记录...',autoLoadingProgress:'正在加载入库记录... ({loaded}/{total})',
        autoLoadingDone:'入库记录加载完成，共 {count} 条',autoLoadingError:'加载入库记录失败: {msg}',
        autoLoadingRedirect:'检测到非第一页，正在跳转以加载全部记录...',
        loadStatusInit:'正在加载入库记录，请耐心等待...',
        loadStatusCache:'正在恢复缓存...',
        loadStatusCheck:'正在检查新增 (已对比 {count} 条)...',
        loadStatusFetch:'正在加第{page}页... ({loaded}/{total})...',
        loadStatusDone:'加载完成',
    };
    const ZH_TW = { ...ZH, free:'贈品',gift:'禮物',total:'總計',pageTitle:'{nickname} 的授權',
        searchPlaceholder:'搜尋遊戲名稱...',showAll:'顯示全部',pagedView:'分頁顯示',
        historyLink:'消費歷史記錄',advanced:'進階選項',dateFrom:'從',
        nameAsc:'名稱 A-Z',nameDesc:'名稱 Z-A',clearFilter:'清除篩選',
        donutTitle:'許可分佈詳情',
        exportFailed:'匯出失敗',exportNoData:'匯出失敗: 沒有資料',exportSuccess:'匯出成功',
        csvName:'名稱',csvCategory:'分類',csvDetails:'取得方式',
        redeemPlaceholder:'輸入CDKey，支持批量激活',
        pasteBtn:'貼上',clearBtn:'清空',copySub:'複製Sub',noSubData:'沒有可複製的Sub',pasteNoKey:'沒提取到Key',pasteKeyCount:'共提取{count}個Key',
        indexLabel:'#',resultLabel:'結果',detailLabel:'詳情',itemLabel:'項目',
        fail:'失敗',
        copyFailed:'複製失敗Key',noFailedKeys:'沒有失敗的Key',copiedKeys:'複製成功',clearHistory:'清空歷史',
        redeemDone:'激活完成：共{total}個，成功{success}個，失敗{fail}個',
        totalLabel:'總計',successLabel:'成功',failLabel:'失敗',
        networkError:'網路錯誤或超時',othersError:'其他錯誤',
        invalidKey:'無效激活碼',duplicateKey:'重複激活',rateLimit:'次數上限',regionRestrict:'地區限制',alreadyOwned:'已擁有',missingDep:'缺少主遊戲',walletCode:'這是充值碼',successDetail:'激活成功',
        withoutFree:'排除免費',freeDisabled:'已排除免費，無法查看免費分類',yearTitle:'年份',noData:'暫無數據',
        calendarTitle:'日曆熱力圖',calendarNoData:'沒有數據',calendarLess:'少',calendarMore:'多',countUnit:'個',
        filterCleared:'已清除篩選',clearCache:'清除快取並重新整理',clearCacheConfirm:'確定要清除所有快取並重新整理嗎？',confirmOk:'確定',confirmCancel:'取消',noKeyInput:'沒有輸入Key',inputCleared:'已清空',
        monthlyDistribution:'月度分布',
        similarTitle:'相同許可猜測',similarPrefixLen:'前綴單詞數',similarCount:'數量',
        dataNote:'數據僅供參考，實際以系統記錄為準',
        trendTitle:'許可增加曲線',trendCumulative:'累加模式',
        predictTitle:'添加許可頻率分析',
        predictDays:'天',
        predictNextDate:'預計下次添加',predictLastDate:'最後添加日期',
        predictTotalGames:'添加許可總天數',predictTotalItems:'非免費許可總數',
        predictAvgPerDay:'平均每日許可數',predictOverallAvg:'平均間隔',
        predictYearAvg:'年均間隔',predictYearCount:'添加天數',
        predictYearLicenses:'許可數',predictDailyLicenses:'每日許可數',predictYearRatio:'一年占比',predictNote:'基於歷史數據預測，僅供參考',
        delistedTitle:'絕版遊戲檢查',delistedTotal:'絕版總數',delistedOwned:'已擁有',delistedMissing:'未擁有',
        delistedOwnership:'絕版擁有率',delistedSearch:'搜尋絕版遊戲...',delistedFetching:'正在獲取遊戲庫...',
        delistedFetchFail:'獲取遊戲庫失敗',delistedNoData:'暫無絕版遊戲數據',delistedLoaded:'已載入絕版數據',
        typeDelisted:'已下架',typePurchaseDisabled:'已禁售',typeF2P:'F2P不可用',typeRetailOnly:'僅零售',typeTestApp:'測試應用',
        delistedOwners:'擁有佔比',delistedDate:'下架時間',delistedAchievements:'成就數',delistedCardName:'遊戲名稱',delistedCover:'封面',
        autoLoadingLicenses:'正在載入入庫記錄...',autoLoadingProgress:'正在載入入庫記錄... ({loaded}/{total})',
        autoLoadingDone:'入庫記錄載入完成，共 {count} 條',autoLoadingError:'載入入庫記錄失敗: {msg}',
        autoLoadingRedirect:'檢測到非第一頁，正在跳轉以載入全部記錄...',
        loadStatusInit:'正在載入入庫記錄，請耐心等待...',
        loadStatusCache:'正在恢復快取...',
        loadStatusCheck:'正在檢查新增 (已對比 {count} 條)...',
        loadStatusFetch:'正在載入第{page}頁... ({loaded}/{total})...',
        loadStatusDone:'載入完成',
    };
    const EN = { ...ZH, store:'Store',retail:'Retail',free:'Free',gift:'Gift',all:'All',total:'Total',
        pageTitle:"{nickname}'s Licenses",searchPlaceholder:'Search game name...',
        showAll:'Show All',pagedView:'Paged',prev:'Prev',next:'Next',
        historyLink:'Purchase History',
        advanced:'Advanced',dateFrom:'From',dateTo:'To',
        sortBy:'Sort',nameAsc:'Name A-Z',nameDesc:'Name Z-A',dateLabel:'Date',clearFilter:'Clear Filters',
        donutTitle:'License Distribution Detail',
        exportFailed:'Export Failed',exportNoData:'Export failed: No data',exportSuccess:'Export successful',
        csvDate:'Date',csvName:'Name',csvCategory:'Category',csvDetails:'Source',
        redeemBtn:'Redeem',redeemTitle:'Batch CDKey Activation',
        redeemPlaceholder:'Enter CDKeys, supports batch activation',
        activateBtn:'Redeem Keys',pasteBtn:'Paste',clearBtn:'Clear',copySub:'Copy Sub',noSubData:'No Sub data to copy',pasteNoKey:'No keys extracted',pasteKeyCount:'Extracted {count} keys',
        indexLabel:'#',resultLabel:'Result',detailLabel:'Detail',itemLabel:'Item',
        success:'Success',fail:'Failed',redeeming:'Redeeming',waiting:'Waiting',
        copyFailed:'Copy Failed Keys',noFailedKeys:'No failed keys',copiedKeys:'Copied successfully',clearHistory:'Clear History',
        redeemDone:'Activation complete: {total} total, {success} succeeded, {fail} failed',
        totalLabel:'Total',successLabel:'Success',failLabel:'Failed',
        networkError:'Network error/timeout',othersError:'Other error',
        invalidKey:'Invalid key',duplicateKey:'Duplicate key',rateLimit:'Rate limit',regionRestrict:'Region restricted',alreadyOwned:'Already owned',missingDep:'Missing dependency',walletCode:'Wallet code',successDetail:'Activated',
        withoutFree:'Without Free',freeDisabled:'Free excluded, cannot view free category',yearTitle:'Year',noData:'No data',
        calendarTitle:'Calendar Heatmap',calendarNoData:'No data',calendarLess:'Less',calendarMore:'More',countUnit:'',
        filterCleared:'Filters cleared',clearCache:'Clear cache & reload',clearCacheConfirm:'Are you sure you want to clear all cache and reload?',confirmOk:'Confirm',confirmCancel:'Cancel',noKeyInput:'No keys entered',inputCleared:'Cleared',
        monthlyDistribution:'Monthly Distribution',
        similarTitle:'Similar License Guess',similarPrefixLen:'Prefix Words',similarCount:'Count',
        dataNote:'Data is for reference only, actual records prevail',
        trendTitle:'License Growth Trend',trendCumulative:'Cumulative',
        predictTitle:'Add License Frequency',
        predictDays:'days',
        predictNextDate:'Predicted Next',predictLastDate:'Last Added',
        predictTotalGames:'Total License Days',predictTotalItems:'Non-free Licenses',
        predictAvgPerDay:'Avg Licenses/Day',predictOverallAvg:'Avg Interval',
        predictYearAvg:'Year Avg',predictYearCount:'Add Days',
        predictYearLicenses:'Licenses',predictDailyLicenses:'Daily Licenses',predictYearRatio:'Year Ratio',predictNote:'Prediction based on historical data, for reference only',
        delistedTitle:'Delisted Games Check',delistedTotal:'Total Delisted',delistedOwned:'Owned',delistedMissing:'Missing',
        delistedOwnership:'Delisted Ownership',delistedSearch:'Search delisted games...',delistedFetching:'Fetching game library...',
        delistedFetchFail:'Failed to fetch game library',delistedNoData:'No delisted game data',delistedLoaded:'Delisted data loaded',
        typeDelisted:'Delisted',typePurchaseDisabled:'Purchase Disabled',typeF2P:'F2P Unavailable',typeRetailOnly:'Retail Only',typeTestApp:'Test App',
        delistedOwners:'Owner %',delistedDate:'Delisted Date',delistedAchievements:'Achievements',delistedCardName:'Name',delistedCover:'Cover',
        autoLoadingLicenses:'Loading licenses...',autoLoadingProgress:'Loading licenses... ({loaded}/{total})',
        autoLoadingDone:'Loaded {count} licenses',autoLoadingError:'Failed to load licenses: {msg}',
        autoLoadingRedirect:'Not on first page, redirecting to load all records...',
        loadStatusInit:'Loading licenses, please wait...',
        loadStatusCache:'Restoring from cache...',
        loadStatusCheck:'Checking for updates (compared {count})...',
        loadStatusFetch:'Loading page {page}... ({loaded}/{total})...',
        loadStatusDone:'Loading complete',
    };
    const I18N = { 'zh-CN': ZH, 'zh-TW': ZH_TW, 'zh-HK': ZH_TW, 'zh-MO': ZH_TW, 'en': EN };
    let locale = 'zh-CN';
    function detectLang() {
        const l = (document.documentElement.lang || '').toLowerCase();
        if (I18N[l]) return l;
        if (l.startsWith('zh') && (l.includes('tw') || l.includes('hant'))) return 'zh-TW';
        return l.startsWith('zh') ? 'zh-CN' : 'en';
    }
    const t = k => I18N[locale]?.[k] ?? ZH[k] ?? k;
    const stopEv = (e, fn) => { e.stopPropagation(); e.preventDefault(); fn?.(); };

    function toast(msg, type = 'info', ms = 3000) {
        const el = document.createElement('div');
        el.className = `slc-toast slc-toast--${type}`; el.textContent = msg;
        document.body.appendChild(el);
        requestAnimationFrame(() => requestAnimationFrame(() => el.classList.add('slc-toast--visible')));
        const hide = () => {
            el.classList.remove('slc-toast--visible');
            setTimeout(() => el.remove(), 300);
        };
        const timer = setTimeout(hide, ms);
        el.addEventListener('click', () => { clearTimeout(timer); hide(); });
        return { el, hide };
    }

    function showConfirm(msg) {
        return new Promise(resolve => {
            const modal = document.createElement('div');
            modal.className = 'slc-confirm-modal';
            modal.innerHTML = `<div class="slc-confirm-card"><div class="slc-confirm-icon"><svg viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 9v4"/><path d="M12 17h.01"/><path d="M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z"/></svg></div><div class="slc-confirm-msg">${escHtml(msg)}</div><div class="slc-confirm-btns"><button class="slc-confirm-cancel">${escHtml(t('confirmCancel'))}</button><button class="slc-confirm-ok">${escHtml(t('confirmOk'))}</button></div></div>`;
            document.body.appendChild(modal);
            requestAnimationFrame(() => requestAnimationFrame(() => modal.classList.add('visible')));
            let done = false;
            const close = (result) => {
                if (done) return; done = true;
                modal.classList.remove('visible');
                setTimeout(() => modal.remove(), 250);
                resolve(result);
            };
            modal.querySelector('.slc-confirm-ok').addEventListener('click', () => close(true));
            modal.querySelector('.slc-confirm-cancel').addEventListener('click', () => close(false));
            modal.addEventListener('click', e => { if (e.target === modal) close(false); });
            document.addEventListener('keydown', function esc(e) { if (e.key === 'Escape') { close(false); document.removeEventListener('keydown', esc); } });
        });
    }

    // ==================== SVG 公共属性 ====================
    const _S = 'viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"';

    // ==================== 分类 ====================
    const MATCH_CFG = [
        { id:'store', color:'#3b82f6', icon:`<svg ${_S}><path d="M3 9l9-7 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>`, kw:['Steam 商店','Steam Store'] },
        { id:'retail', color:'#eab308', icon:`<svg ${_S}><rect x="2" y="7" width="20" height="14" rx="2"/><path d="M16 7V5a4 4 0 0 0-8 0v2"/><line x1="12" y1="16" x2="12" y2="12"/></svg>`, kw:['零售','Retail'] },
        { id:'free', color:'#10b981', icon:`<svg ${_S}><circle cx="12" cy="12" r="10"/><path d="M8 12h8"/><path d="M12 8v8"/></svg>`, kw:['免费赠送','贈品','Complimentary'] },
        { id:'gift', color:'#ec4899', icon:`<svg ${_S}><polyline points="20 12 20 22 4 22 4 12"/><rect x="2" y="7" width="20" height="5"/><line x1="12" y1="22" x2="12" y2="7"/><path d="M12 7H7.5a2.5 2.5 0 0 1 0-5C11 2 12 7 12 7z"/><path d="M12 7h4.5a2.5 2.5 0 0 0 0-5C13 2 12 7 12 7z"/></svg>`, kw:['礼物','玩家通行证','禮物','招待券','Gift','Guest Pass'] }
    ];
    const CATS = ['store','retail','gift','free'].map(id => {
        const c = MATCH_CFG.find(x => x.id === id);
        return { id, color: c.color, icon: c.icon, get label() { return t(id); } };
    });
    const ALL_TYPE = Object.freeze({ id:'all', get label(){ return t('all'); }, color:'#4792c4', icon:`<svg ${_S}><rect x="3" y="3" width="7" height="7" rx="1"/><rect x="14" y="3" width="7" height="7" rx="1"/><rect x="3" y="14" width="7" height="7" rx="1"/><rect x="14" y="14" width="7" height="7" rx="1"/></svg>` });
    const CAT_RE = new Map(MATCH_CFG.map(c => [
        new RegExp(c.kw.map(s => s.replace(/[.*+?^${}()|[\]\\]/g,'\\$&')).join('|'),'i'), c.id
    ]));
    const isNoFree = () => state.noFree && state.filter !== 'free';
    const chartCounts = () => {
        if (!isNoFree()) return state.counts;
        const m = new Map(CATS.map(c => [c.id, 0])); let tot = 0;
        for (const c of CATS) { if (c.id==='free') continue; const v = state.counts.get(c.id)||0; m.set(c.id,v); tot+=v; }
        m.set('total',tot); return m;
    };
    const chartCats = () => isNoFree() ? CATS.filter(c=>c.id!=='free') : CATS;

    const SEL = { tbl:'table.account_table', tb:'table.account_table tbody', hdr:'h2', fc:'#steam-license-filter' };
    const VER = GM_info.script.version;
    const disposers = [];

    const state = {
        filter:'all', filterCls:'', search:'', page:1,
        showAll:false, totalPages:1,
        counts: new Map([...CATS.map(c=>[c.id,0]),['total',0]]),
        dateFrom:'', dateTo:'', sortBy:'date-desc', noFree:false,
        isProcessing: false, isLoading: false, cachedTb: null, cachedDataRows: null,
        timers: { search: null, obs: null },
        obs: null
    };

    const getSessionID = () => { try { return unsafeWindow.g_sessionID || window.g_sessionID || ''; } catch { return window.g_sessionID || ''; } };

    // ==================== 样式 ====================
    const _rgba = (h, a) => { const v = parseInt(h.slice(1), 16); return `rgba(${(v >> 16) & 255},${(v >> 8) & 255},${v & 255},${a})`; };
    const _catCSS = CATS.flatMap(c => [
        `table.account_table tbody tr[data-category="${c.id}"]{background:${_rgba(c.color, .15)}}`,
        `table.account_table tbody tr[data-category="${c.id}"]:hover{background:${_rgba(c.color, .25)}}`,
        `table.account_table tbody.filter-${c.id} tr[data-category]:not([data-category="${c.id}"]){display:none}`
    ]);
    const CSS_CRITICAL = [
        ':root{--bg-page:#0B1120;--bg-card:#1E293B;--border-card:#334155;--text-primary:#F1F5F9;--text-secondary:#94A3B8;--accent-blue:#3B82F6;--accent-amber:#F59E0B;--accent-pink:#EC4899;--accent-green:#10B981;--accent-purple:#8B5CF6;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 2px 8px rgba(0,0,0,.3);--transition:all .2s ease}',
        'table.account_table{margin-top:0;border-collapse:separate;border-spacing:0;contain:layout paint}',
        'table.account_table tr{transition:background-color .2s ease;contain:layout}',
        `table.account_table th{position:sticky;top:var(--filter-h,${CFG.STICKY}px);z-index:99;background:#0B1120;text-transform:none;font-size:13px;font-weight:bold;color:#F1F5F9;padding:12px 12px;border-bottom:1px solid #334155}`,
        `table.account_table td.license_date_col{width:${CFG.DATE_W}px!important;min-width:${CFG.DATE_W}px;white-space:nowrap;text-align:left}`,
        'table.account_table th.license_date_col{text-align:left}',
        'table.account_table td{padding:12px 12px;border-bottom:1px solid rgba(51,65,85,.5);color:#F1F5F9;vertical-align:middle}',
        'table.account_table tr:hover td{background:rgba(59,130,246,.08)}',
        '#steam-license-filter{margin:0 0 4px;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);backdrop-filter:blur(4px);position:sticky;top:0;z-index:100;contain:layout;display:flex;flex-direction:column;gap:12px}',
        `.stats-row{display:flex;gap:10px;flex-wrap:wrap}`,
        `.stat-card{background:rgba(15,23,42,.6);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:10px 16px;min-width:100px;text-align:center;cursor:pointer;position:relative;overflow:hidden}`,
        `.stat-card:hover{transform:translateY(-2px);border-color:var(--card-color,var(--accent-blue));background:rgba(59,130,246,.1);box-shadow:var(--shadow-sm)}`,
        `.stat-card.active{border-color:var(--card-color,var(--accent-blue));background:rgba(59,130,246,.15);box-shadow:var(--shadow-sm)}`,
        `.stat-card.active .stat-number,.stat-card.active .stat-label{color:var(--card-color,var(--accent-blue))}`,
        `.stat-card.disabled{opacity:.4;cursor:not-allowed}`,
        `.stat-number{font-size:1.5rem;font-weight:700;line-height:1.2;color:var(--text-primary)}`,
        `.stat-label{font-size:.7rem;letter-spacing:.5px;color:var(--text-secondary);margin-top:2px;display:flex;align-items:center;justify-content:center;gap:3px}`,
        `.stat-label svg{width:12px;height:12px;flex-shrink:0}`,
        `.stat-bar{height:3px;background:rgba(255,255,255,.08);border-radius:2px;margin-top:6px;overflow:hidden}`,
        `.stat-bar-fill{height:100%;border-radius:2px;transition:width .3s ease}`,
        `.stat-tools{display:flex;align-items:center;gap:4px;flex-wrap:wrap}`,
        `.tool-btn{background:rgba(15,23,42,.6)!important;border:1px solid var(--border-card)!important;border-radius:var(--radius-md)!important;padding:0 10px!important;font-size:13px!important;height:34px!important;width:auto!important;color:var(--text-secondary)!important;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;box-sizing:border-box}`,
        `.tool-btn:hover{background:rgba(59,130,246,.2)!important;color:var(--text-primary)!important;border-color:var(--accent-blue)!important;transform:translateY(-1px)}`,
        `.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}`,
        `.toolbar .search-box{flex:2;min-width:180px;background:#0F172A;border:1px solid var(--border-card);border-radius:40px;padding:8px 16px;color:#F1F5F9;font-size:13px;outline:none;transition:var(--transition)}`,
        `.toolbar .search-box::placeholder{color:var(--text-secondary)}`,
        `.toolbar .search-box:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px rgba(59,130,246,.3)}`,
        `.adv-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}`,
        `.adv-lbl{color:var(--text-secondary);font-size:12px;white-space:nowrap}`,
        `.adv-date{position:relative;background:#0F172A!important;border:1px solid var(--border-card);border-radius:40px;color:#F1F5F9!important;padding:8px 16px;font-size:13px;outline:none;transition:var(--transition);color-scheme:dark;height:36px;width:140px;-webkit-appearance:none;appearance:none;box-sizing:border-box;line-height:normal;text-align:center}`,
        `.adv-date::-webkit-calendar-picker-indicator{opacity:0;cursor:pointer;width:20px;height:20px}`,
        `.adv-date::after{content:'';position:absolute;right:10px;top:50%;transform:translateY(-50%);width:16px;height:16px;pointer-events:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E") no-repeat center}`,
        `.adv-date::-webkit-datetime-edit,.adv-date::-webkit-datetime-edit-fields-wrapper,.adv-date::-webkit-datetime-edit-text,.adv-date::-webkit-datetime-edit-month-field,.adv-date::-webkit-datetime-edit-day-field,.adv-date::-webkit-datetime-edit-year-field{background:transparent;color:#F1F5F9}`,
        `.adv-date:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px rgba(59,130,246,.3)}`,
        `.adv-sort{background:#0F172A;border:1px solid var(--border-card);border-radius:40px;color:#F1F5F9;padding:8px 16px;font-size:13px;outline:none;transition:var(--transition);color-scheme:dark;height:36px;-webkit-appearance:none;appearance:none;box-sizing:border-box;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;cursor:pointer}`,
        `.adv-sort option{background:#0B1120;color:var(--text-primary)}`,
        `.adv-sort:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px rgba(59,130,246,.3)}`,
        `.adv-clr{background:rgba(15,23,42,.6)!important;border:1px solid var(--border-card)!important;border-radius:40px!important;padding:0 10px!important;font-size:13px!important;height:36px!important;width:auto!important;color:var(--text-secondary)!important;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;box-sizing:border-box}`,
        `.adv-clr:hover{background:rgba(59,130,246,.2)!important;color:var(--text-primary)!important;border-color:var(--accent-blue)!important;transform:translateY(-1px)}`,
        `.pager{display:flex;align-items:center;gap:6px;margin-left:auto}`,
        `#steam-license-filter button.pager-btn{background:rgba(15,23,42,.6);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:6px 14px;font-size:13px;height:auto;color:var(--text-primary);cursor:pointer;transition:var(--transition)}`,
        `#steam-license-filter button.pager-btn:hover{background:rgba(59,130,246,.2);transform:translateY(-1px)}`,
        `#steam-license-filter button.pager-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}`,
        `.page-info{display:inline-flex;align-items:center;gap:2px;font-size:13px;font-weight:500;white-space:nowrap;color:var(--text-secondary)}`,
        `.page-input{width:30px;text-align:center;background:rgba(0,0,0,.3);border:1px solid #4a6a7a;border-radius:4px;color:#c7d5e0;font-size:13px;padding:2px 4px;outline:none}`,
        `.page-input:focus{border-color:var(--accent-blue)}`,
        `#steam-license-filter button{border:2px solid transparent;border-radius:6px;background:transparent;color:var(--text-primary);cursor:pointer;font-weight:500;transition:var(--transition);outline:none;will-change:transform}`,
        `#steam-license-filter button:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.4)}`,
        ..._catCSS,
        'table.account_table tbody.paginated tr[data-category]:not(.page-visible){display:none}',
        'table.account_table tbody tr[data-category="other"]{display:none}',
        'h2 .search-box{display:none}',
        '#slc-no-free{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;user-select:none;font-size:12px;color:var(--text-secondary);white-space:nowrap}',
        '#slc-no-free input[type="checkbox"]{position:absolute;opacity:0;width:0;height:0}',
        '#slc-no-free .tg-track{position:relative;width:44px;height:20px;background:#1E293B;border:1px solid var(--border-card);border-radius:10px;cursor:pointer;transition:var(--transition);flex-shrink:0}',
        '#slc-no-free .tg-track::after{content:"";position:absolute;left:2px;top:2px;width:14px;height:14px;background:var(--text-secondary);border-radius:50%;transition:var(--transition)}',
        '#slc-no-free input:checked+.tg-track{background:rgba(139,92,246,.3);border-color:var(--accent-purple)}',
        '#slc-no-free input:checked+.tg-track::after{left:26px;background:var(--accent-purple)}',
        '.stats[class*="svelte-"]{display:none!important}',
        '#license-stats{display:none}',
        '#steam-license-filter button[data-action]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,.4);background:rgba(59,130,246,.2)}',
        '#steam-license-filter button[data-action]:disabled{opacity:.4;cursor:not-allowed}',
        '#steam-license-filter button[data-action].active-mode{background:var(--accent-purple);color:#fff}',
        'table.account_table tbody.search-filtered tr[data-category]:not(.search-match){display:none}',
        `@media(max-width:899px){.stat-card{min-width:80px;padding:8px 10px}.stat-number{font-size:1.2rem}.toolbar .search-box{min-width:140px}.stat-tools{gap:3px}.tool-btn{padding:0 6px!important;height:30px!important}.adv-date{width:115px;padding:6px 10px;font-size:12px;height:32px}}`,
        `@media(max-width:599px){.stat-card{min-width:70px;padding:6px 8px}.stat-number{font-size:1rem}.pager-btn{padding:4px 8px!important;font-size:.75rem!important}.stat-tools{gap:2px}.tool-btn svg{width:14px;height:14px}.tool-btn{height:26px!important}#slc-no-free{font-size:11px}.adv-date{width:105px;height:30px;padding:6px 8px;font-size:12px}.adv-sort{font-size:12px;height:30px;padding:6px 10px}}`,
        '.slc-toast{position:fixed;bottom:20px;right:20px;padding:12px 20px;border-radius:8px;font-size:14px;font-weight:500;z-index:10001;opacity:0;transform:translateY(10px);transition:all .3s ease;pointer-events:auto;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.4)}',
        '.slc-toast--visible{opacity:1;transform:translateY(0)}',
        '.slc-toast--info{background:#2a475e;color:#c7d5e0;border:1px solid #4a6a7a}',
        '.slc-toast--success{background:rgba(16,185,129,.9);color:#fff}',
        '.slc-toast--error{background:rgba(239,68,68,.9);color:#fff}',
        '.slc-toast--warning{background:rgba(245,158,11,.9);color:#fff}',
        '.slc-load-bar{width:100%;height:4px;background:rgba(255,255,255,.08);overflow:hidden;border-radius:2px;margin:0 0 4px}',
        '.slc-load-bar.hidden{opacity:0;transition:opacity .3s ease}',
        '.slc-load-bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent-blue),var(--accent-purple));border-radius:2px;transition:width .3s ease}',
        '.slc-load-status{display:inline;margin-left:8px;font-size:13px;color:var(--text-secondary);font-weight:400;white-space:nowrap;animation:slc-pulse 1.5s ease-in-out infinite}',
        '@keyframes slc-pulse{0%,100%{opacity:.6}50%{opacity:1}}'
    ].join('');

    const CSS_DEFERRED = [
        '.slc-modal{position:fixed;inset:0;background:rgba(11,17,32,.85);backdrop-filter:blur(4px);z-index:10000;display:flex;opacity:0;visibility:hidden}',
        '#slc-donut-modal,#slc-year-modal,#slc-predict-modal,#slc-trend-modal,#slc-year-month-modal,#slc-similar-modal,#slc-cal-modal,#slc-redeem-modal,#slc-delisted-modal{align-items:center;justify-content:center}',
        '.slc-modal.visible{opacity:1;visibility:visible}',
        '.slc-mc{background:rgba(30,41,59,.95);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:28px;box-shadow:0 8px 32px rgba(0,0,0,.5);width:90%;position:relative;transform:scale(.95);opacity:0;transition:transform .3s ease,opacity .3s ease}',
        '.slc-modal.visible .slc-mc{transform:scale(1);opacity:1}',
        '#slc-donut-c,#slc-predict-c,#slc-trend-c,#slc-similar-c,#slc-year-c,#slc-year-month-c{max-width:850px;contain:layout}',
        '#slc-redeem-c{max-width:850px;display:flex;flex-direction:column}',
        '#slc-cal-c{max-width:880px;height:650px;display:flex;flex-direction:column}',
        '#slc-cal-body{flex:1;overflow-y:auto;min-height:0}',
        '.slc-mx{position:absolute;top:12px;right:12px;background:none;border:none;color:#64748b;font-size:22px;cursor:pointer;padding:4px 8px;border-radius:8px;transition:all .2s}',
        '.slc-mx:hover{background:rgba(255,255,255,.1);color:#94a3b8;transform:scale(1.1)}',
        '.slc-mh{display:flex;align-items:center;gap:14px;margin-bottom:20px}',
        '.slc-mh-i{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}',
        '.slc-mh-i svg{width:22px;height:22px;stroke:#fff;fill:none}',
        '.slc-mh-t{font-size:20px;font-weight:700;color:#f8fafc;flex:1}',
        '.slc-mf{margin-top:20px;padding-top:16px;border-top:1px solid #334155;display:flex;align-items:flex-start;gap:10px}',
        '.slc-mf svg{width:16px;height:16px;stroke:#64748b;fill:none;flex-shrink:0;margin-top:1px}',
        '.slc-mf-t{font-size:13px;color:#64748b;line-height:1.5}',
        /* ===== 窗口导航栏 ===== */
        '.slc-nav-sidebar{position:absolute;left:-52px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;z-index:1}',
        '.slc-nav-btn{width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.08);background:rgba(30,41,59,.9);color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;backdrop-filter:blur(8px)}',
        '.slc-nav-btn svg{width:20px;height:20px;stroke:currentColor;fill:none}',
        '.slc-nav-btn:hover{background:rgba(51,65,85,.9);color:#f8fafc;border-color:rgba(255,255,255,.15);transform:scale(1.05)}',
        '.slc-nav-btn.active{color:#fff}',
        '#slc-donut-hi,#slc-redeem-hi,#slc-trend-hi{background:#3b82f6}',
        '#slc-year-hi,#slc-year-month-hi{background:#8b5cf6}',
        '#slc-predict-hi{background:#f59e0b}',
        '#slc-similar-hi{background:#f97316}',
        '#slc-cal-hi{background:#10b981}',
        '#slc-delisted-hi{background:#f44336}',
        '.slc-cal-container{display:flex;flex-direction:column;gap:24px}',
        '.slc-cal-year{display:flex;flex-direction:column;gap:8px}',
        '.slc-cal-year-label{font-size:16px;font-weight:600;color:#f8fafc}',
        '.slc-cal-grid{display:flex;flex-direction:column;gap:4px}',
        '.slc-cal-months{display:flex;gap:4px;padding-left:32px}',
        '.slc-cal-months span{flex:1;text-align:center;font-size:11px;color:#64748b}',
        '.slc-cal-days{display:flex;gap:4px}',
        '.slc-cal-weekdays{display:flex;flex-direction:column;gap:4px;width:24px}',
        '.slc-cal-weekdays span{font-size:10px;color:#64748b;text-align:center;height:14px;line-height:14px}',
        '.slc-cal-cells{display:grid;grid-template-columns:repeat(53,1fr);grid-template-rows:repeat(7,1fr);grid-auto-flow:column;gap:2px;flex:1}',
        '.slc-cal-cell{width:14px;height:14px;border-radius:2px;transition:all .15s}',
        '.slc-cal-cell:hover{transform:scale(1.2);z-index:1}',
        '.slc-cal-empty{background:transparent}',
        '.slc-cal-legend{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;padding:16px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px}',
        '.slc-cal-legend-label{font-size:12px;color:#64748b}',
        '.slc-cal-legend-cells{display:flex;gap:3px}',
        '.slc-cal-legend-cells div{width:14px;height:14px;border-radius:2px}',
        '#slc-donut-legend .li{display:flex;align-items:center;gap:6px;padding:6px 10px;background:rgba(0,0,0,.2);border-radius:6px;transition:all .2s}',
        '#slc-donut-legend .li:hover{background:rgba(0,0,0,.3);transform:translateY(-2px)}',
        '#slc-donut-legend .lc{width:12px;height:12px;border-radius:3px;flex-shrink:0}',
        '#slc-donut-legend .ll{color:#c7d5e0;font-size:12px;white-space:nowrap}',
        '#slc-donut-legend .lv{color:#8a9ba8;font-size:11px;white-space:nowrap}',
'#slc-donut-layout{display:flex;gap:16px;align-items:stretch}',
'#slc-donut-left{flex:1;aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px}',
'#slc-donut-right{flex:1;aspect-ratio:1;display:flex;flex-direction:column;justify-content:center;padding:20px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px}',
'#slc-donut-right .bar-chart{display:flex;align-items:flex-end;justify-content:space-around;height:100%;gap:12px;padding-top:20px}',
'#slc-donut-right .bar-col{display:flex;flex-direction:column;align-items:center;width:60px;height:100%;justify-content:flex-end}',
'#slc-donut-right .bar-track-v{width:100%;height:100%;background:rgba(255,255,255,.06);border-radius:6px 6px 0 0;position:relative;display:flex;flex-direction:column;justify-content:flex-end}',
'#slc-donut-right .bar-fill-v{width:100%;border-radius:6px 6px 0 0;transition:height .3s ease}',
'#slc-donut-right .bar-value{font-size:12px;color:#c7d5e0;margin-bottom:4px;font-weight:600}',
'#slc-donut-right .bar-label{font-size:11px;color:#94a3b8;margin-top:6px;text-align:center}',
'#slc-donut-legend{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px;padding:16px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px}',
        '#slc-year-legend{display:flex;gap:16px;justify-content:center;margin-top:12px;flex-wrap:wrap;padding:16px;background:#1e293b;border:1px solid #334155;border-radius:12px}',
        '#slc-year-legend .yl{display:flex;align-items:center;gap:6px;font-size:13px;color:#c7d5e0}',
        '#slc-year-legend .yc{width:12px;height:12px;border-radius:2px;flex-shrink:0}',
        '#slc-redeem-c .ra{display:flex;gap:8px;margin-top:16px;align-items:center;flex-wrap:wrap;justify-content:flex-end}',
        '#slc-rcf{margin-left:auto}',
        '#slc-rstats{display:flex;gap:8px;flex:1;min-width:0}',
        '#slc-rstats .pc{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:8px 12px;display:flex;align-items:center;gap:8px;min-width:90px}',
        '#slc-rstats .pc-i{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}',
        '#slc-rstats .pc-i svg{width:14px;height:14px}',
        '#slc-rstats .pc-i.blue{background:rgba(59,130,246,.15)}',
        '#slc-rstats .pc-i.green{background:rgba(34,197,94,.15)}',
        '#slc-rstats .pc-i.red{background:rgba(239,68,68,.15)}',
        '#slc-rstats .pc-t{display:flex;align-items:center;gap:6px;min-width:0;flex:1}',
        '#slc-rstats .pc-l{font-size:10px;color:#64748b;letter-spacing:.3px}',
        '#slc-rstats .pc-v{font-size:15px;font-weight:700;color:#f8fafc}',
        '#slc-rt,#slc-pt{width:100%;border-collapse:collapse;font-size:13px;background:#1e293b;border:1px solid #334155;overflow:hidden}',
        '#slc-rt{margin-top:12px;border-radius:12px;flex:1;overflow-y:auto;display:block}',
        '#slc-pt{border-radius:10px}',
        '#slc-rt th,#slc-pt th{padding:8px 10px;text-align:left;color:#8f98a0;font-size:12px;text-transform:uppercase;letter-spacing:.5px;background:rgba(0,0,0,.4);border-bottom:1px solid rgba(255,255,255,.08)}',
        '#slc-rt td,#slc-pt td{padding:7px 10px;border-bottom:1px solid rgba(255,255,255,.05);color:#c7d5e0;vertical-align:middle}',
        '#slc-rt tr:hover td,#slc-pt tr:hover td{background:rgba(255,255,255,.03)}',
        '#slc-rt code{color:#66c0f4;font-size:13px;background:rgba(0,0,0,.2);padding:1px 5px;border-radius:3px}',
        '#slc-rt a{color:#66c0f4;text-decoration:none;transition:color .15s}',
        '#slc-rt a:hover{color:#fff}',
        '#slc-ps{display:flex;flex-direction:column;gap:8px;min-width:160px}',
        '#slc-ps .pc{background:#1e293b;border:1px solid #334155;border-radius:10px;padding:14px;display:flex;align-items:center;gap:12px}',
        '#slc-ps .pc-i{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}',
        '#slc-ps .pc-i svg{width:20px;height:20px;stroke:#fff;fill:none}',
        '#slc-ps .pc-i.blue{background:rgba(59,130,246,.15)}#slc-ps .pc-i.blue svg{stroke:#3b82f6}',
        '#slc-ps .pc-i.purple{background:rgba(139,92,246,.15)}#slc-ps .pc-i.purple svg{stroke:#8b5cf6}',
        '#slc-ps .pc-i.cyan{background:rgba(6,182,212,.15)}#slc-ps .pc-i.cyan svg{stroke:#06b6d4}',
        '#slc-ps .pc-i.green{background:rgba(34,197,94,.15)}#slc-ps .pc-i.green svg{stroke:#22c55e}',
        '#slc-ps .pc-i.orange{background:rgba(245,158,11,.15)}#slc-ps .pc-i.orange svg{stroke:#f59e0b}',
        '#slc-ps .pc-i.rose{background:rgba(236,72,153,.15)}#slc-ps .pc-i.rose svg{stroke:#ec4899}',
        '#slc-ps .pc-t{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}',
        '#slc-ps .pc-l{font-size:11px;color:#64748b;text-transform:uppercase;letter-spacing:.3px}',
        '#slc-ps .pc-v{font-size:18px;font-weight:700;color:#f8fafc}',
        '#slc-ps .pc-v.ac{color:#ec4899}',
        '#slc-pb{display:flex;gap:20px;align-items:flex-start}',
        '#slc-pr{flex:1;min-width:0}',
        '#slc-pt .pb{height:5px;background:#334155;border-radius:2px;margin-top:3px;overflow:hidden}',
        '#slc-pt .pb-f{height:100%;background:#f59e0b;border-radius:2px;transition:width .3s ease}',
        '#slc-redeem-c textarea,#slc-redeem-c input[type="text"]{background:rgba(0,0,0,.3);border:1px solid #4a6a7a;border-radius:6px;padding:8px 14px;color:#c7d5e0;font-size:13px;outline:none;transition:all .2s ease;box-sizing:border-box}',
        '#slc-redeem-c textarea:focus,#slc-redeem-c input[type="text"]:focus{border-color:#66c0f4;background:rgba(0,0,0,.4);box-shadow:0 0 0 2px rgba(102,192,244,.2)}',
        '#slc-redeem-c button.rb{border:none;border-radius:2px;padding:8px 20px;font-size:13px;font-weight:400;cursor:pointer;transition:all .15s ease;outline:none;text-transform:uppercase;letter-spacing:.5px}',
        '#slc-redeem-c button.rb:hover{filter:brightness(1.2)}',
        '#slc-redeem-c button.rb:active{filter:brightness(.9)}',
        '#slc-redeem-c button.rb:disabled{opacity:.4;cursor:not-allowed;filter:none}',
        '#slc-redeem-c button.rb1{background:linear-gradient(to right,#47bfff 5%,#1a44c2 60%);color:#fff}',
        '#slc-redeem-c button.rb1:hover:not(:disabled){background:linear-gradient(to right,#5ccfff 5%,#2555d5 60%)}',
        '#slc-redeem-c button.rb2{background:rgba(0,0,0,.4);color:#8f98a0;border:1px solid rgba(255,255,255,.08)}',
        '#slc-redeem-c button.rb2:hover:not(:disabled){background:rgba(0,0,0,.6);color:#c6d4df;border-color:rgba(255,255,255,.15)}',
        '.slc-edd{position:relative;display:inline-flex;z-index:999999}',
        '.slc-edd .em{display:none;position:absolute;top:100%;right:0;margin-top:4px;background:#0F172A;border:1px solid var(--border-card);border-radius:8px;overflow:hidden;z-index:99999;box-shadow:0 4px 12px rgba(0,0,0,.4);min-width:100px}',
        '.slc-edd.open .em{display:block}',
        '.slc-edd .em button{display:block;width:100%;padding:8px 16px;background:none;border:none;color:#F1F5F9;font-size:13px;cursor:pointer;text-align:left;white-space:nowrap;transition:background .15s}',
        '.slc-edd .em button:hover{background:rgba(59,130,246,.2);color:var(--accent-blue)}',
        /* ===== 绝版游戏检查窗口 ===== */
        '#slc-delisted-c{max-width:900px;width:90vw;height:650px;display:flex;flex-direction:column}',
        '#slc-delisted-body{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}',
        '.slc-delisted-header{flex-shrink:0;padding-bottom:8px}',
        '.slc-delisted-scroll{flex:1;overflow-y:auto;min-height:0;padding-right:4px;overscroll-behavior:auto}',
        '.slc-delisted-kpi-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}',
        '.slc-delisted-kpi-card{flex:1;min-width:100px;background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:10px 14px;text-align:center;transition:all .2s}',
        '.slc-delisted-kpi-card:hover{background:rgba(255,255,255,.06)}',
        '.slc-delisted-kpi-card.active{background:rgba(255,255,255,.1);box-shadow:0 0 0 2px rgba(255,255,255,.15) inset}',
        '.slc-delisted-kpi-value{font-size:1.3rem;font-weight:700;color:#f8fafc}',
        '.slc-delisted-kpi-label{font-size:11px;color:#64748b;margin-top:2px}',
        '.slc-delisted-progress{height:5px;background:#334155;border-radius:2px;overflow:hidden;margin-bottom:12px}',
        '.slc-delisted-progress-fill{height:100%;background:linear-gradient(90deg,#22c55e,#66c0f4);border-radius:2px;transition:width .3s ease}',
        '.slc-delisted-type-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}',
        '.slc-delisted-type-btn{font-size:11px;padding:4px 10px;border-radius:6px;cursor:pointer;transition:all .2s;font-weight:500;white-space:nowrap}',
        '.slc-delisted-type-btn:hover{transform:translateY(-1px);filter:brightness(1.2)}',
        '.slc-delisted-type-btn.active{font-weight:700;box-shadow:0 2px 6px rgba(0,0,0,.3)}',
        '.slc-delisted-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}',
        '.slc-delisted-toolbar input[type=text]{flex:1;min-width:160px;background:rgba(0,0,0,.3);border:1px solid #4a6a7a;border-radius:20px;padding:6px 14px;color:#c7d5e0;font-size:12px;outline:none;transition:all .2s}',
        '.slc-delisted-toolbar input[type=text]:focus{border-color:#66c0f4;box-shadow:0 0 0 2px rgba(102,192,244,.2)}',
        '.slc-delisted-toolbar button,.slc-delisted-pagination button{background:rgba(15,23,42,.6)!important;border:1px solid #334155!important;border-radius:6px!important;padding:4px 10px!important;font-size:11px!important;height:28px!important;color:#94a3b8!important;cursor:pointer;transition:all .2s}',
        '.slc-delisted-toolbar button:hover,.slc-delisted-pagination button:hover{background:rgba(59,130,246,.2)!important;color:#f1f5f9!important}',
        '.slc-delisted-toolbar button.active{background:rgba(102,192,244,.2)!important;border-color:rgba(102,192,244,.4)!important;color:#66c0f4!important}',
'.slc-delisted-toolbar .slc-dlst-sort-group{display:flex;gap:0;border:1px solid #334155;border-radius:6px;overflow:hidden}',
'.slc-delisted-toolbar .slc-dlst-sort-btn{background:rgba(15,23,42,.6)!important;border:none!important;border-right:1px solid #334155!important;border-radius:0!important;padding:4px 10px!important;font-size:11px!important;height:28px!important;color:#94a3b8!important;cursor:pointer;transition:all .2s}',
'.slc-delisted-toolbar .slc-dlst-sort-btn:last-child{border-right:none!important}',
'.slc-delisted-toolbar .slc-dlst-sort-btn:hover{background:rgba(59,130,246,.2)!important;color:#f1f5f9!important}',
'.slc-delisted-toolbar .slc-dlst-sort-btn.active{background:rgba(102,192,244,.2)!important;color:#66c0f4!important}',
        '.slc-delisted-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}',
        '.slc-delisted-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:8px;padding:10px 14px;transition:background .2s,border-color .2s;cursor:pointer;position:relative}',
        '.slc-delisted-card:hover{background:rgba(255,255,255,.08);border-color:rgba(244,67,54,.3)}',
        '.slc-delisted-card-name{font-size:13px;font-weight:600;color:#f1f5f9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}',
        '.slc-delisted-card-meta{font-size:11px;color:#64748b;display:flex;align-items:center;gap:6px;flex-wrap:wrap}',
        '.slc-delisted-badge{display:inline-block;font-size:10px;font-weight:600;padding:1px 6px;border-radius:3px}',
        '.slc-delisted-badge.type-delisted{background:rgba(244,67,54,.2);color:#f44336}',
        '.slc-delisted-badge.type-purchase_disabled{background:rgba(255,152,0,.2);color:#ff9800}',
        '.slc-delisted-badge.type-f2p_unavailable{background:rgba(156,39,176,.2);color:#ce93d8}',
        '.slc-delisted-badge.type-retail_only{background:rgba(33,150,243,.2);color:#64b5f6}',
        '.slc-delisted-badge.type-test_app{background:rgba(38,198,218,.2);color:#26c6da}',
        '.slc-delisted-card .owned-badge{position:absolute;bottom:6px;right:6px;font-size:10px;padding:2px 6px;border-radius:3px;font-weight:600}',
        '.slc-delisted-card .owned-badge.owned{background:rgba(34,197,94,.2);color:#22c55e}',
        '.slc-delisted-card .owned-badge.missing{background:rgba(244,67,54,.15);color:#f44336}',
        '.slc-delisted-card-achievements,.slc-delisted-card-owners{font-size:10px}',
        '.slc-delisted-card-achievements{color:#66c0f4}',
        '.slc-delisted-card-owners{color:#94a3b8}',
        '.slc-delisted-list{display:flex;flex-direction:column;gap:4px}',
        '.slc-delisted-list-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);border-radius:6px;cursor:pointer;transition:background .2s,border-color .2s}',
        '.slc-delisted-list-item:hover{background:rgba(255,255,255,.06);border-color:rgba(244,67,54,.2)}',
        '.slc-delisted-list-item .name{flex:1;font-size:12px;color:#f1f5f9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}',
        '.slc-delisted-list-item .meta{display:flex;align-items:center;gap:6px;flex-shrink:0}',
'.slc-delisted-list-item.has-cover{gap:12px}',
'.slc-delisted-cover{width:120px;height:45px;border-radius:4px;object-fit:cover;flex-shrink:0;background:rgba(255,255,255,.05)}',
'.slc-delisted-cover-btn{background:rgba(15,23,42,.6)!important;border:1px solid #334155!important;border-radius:6px!important;padding:4px 10px!important;font-size:11px!important;height:28px!important;color:#94a3b8!important;cursor:pointer;transition:all .2s}',
'.slc-delisted-cover-btn:hover{background:rgba(59,130,246,.2)!important;color:#f1f5f9!important}',
'.slc-delisted-cover-btn.active{background:rgba(102,192,244,.2)!important;border-color:rgba(102,192,244,.4)!important;color:#66c0f4!important}',
        '.slc-delisted-pagination{display:flex;align-items:center;gap:6px;justify-content:center}',
        '.slc-delisted-pagination button:disabled{opacity:.4;cursor:not-allowed}',
        '.slc-delisted-pagination .page-info{font-size:12px;color:#64748b}',
        '.slc-delisted-loading{text-align:center;padding:40px;color:#64748b;font-size:14px}',
        '.slc-delisted-loading .spinner{display:inline-block;width:24px;height:24px;border:3px solid rgba(102,192,244,.2);border-top-color:#66c0f4;border-radius:50%;animation:slc-spin .8s linear infinite;margin-bottom:10px}',
        '@keyframes slc-spin{to{transform:rotate(360deg)}}',
        /* ===== 确认弹窗 ===== */
        '.slc-confirm-modal{position:fixed;inset:0;background:rgba(11,17,32,.85);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:10001;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .25s ease}',
        '.slc-confirm-modal.visible{opacity:1;visibility:visible}',
        '.slc-confirm-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:28px 32px 24px;width:90%;max-width:380px;box-shadow:0 8px 32px rgba(0,0,0,.5);transform:scale(.92);opacity:0;transition:transform .25s ease,opacity .25s ease;text-align:center}',
        '.slc-confirm-modal.visible .slc-confirm-card{transform:scale(1);opacity:1}',
        '.slc-confirm-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:rgba(239,68,68,.15);display:flex;align-items:center;justify-content:center}',
        '.slc-confirm-icon svg{width:26px;height:26px;stroke:#ef4444;fill:none}',
        '.slc-confirm-msg{font-size:14px;color:var(--text-primary);line-height:1.6;margin-bottom:24px}',
        '.slc-confirm-btns{display:flex;gap:10px;justify-content:center}',
        '.slc-confirm-cancel{flex:1;padding:9px 0;border-radius:var(--radius-md);font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition);background:rgba(255,255,255,.06);border:1px solid var(--border-card);color:var(--text-secondary)}',
        '.slc-confirm-cancel:hover{background:rgba(255,255,255,.12);color:var(--text-primary)}',
        '.slc-confirm-ok{flex:1;padding:9px 0;border-radius:var(--radius-md);font-size:13px;font-weight:600;cursor:pointer;transition:var(--transition);background:rgba(239,68,68,.9);border:none;color:#fff}',
        '.slc-confirm-ok:hover{background:rgba(220,38,38,.9);transform:translateY(-1px)}'
    ].join('');

    function injectCSS(id, text) {
        if (document.getElementById(id)) return;
        const s = h('style', { id, text });
        document.head.appendChild(s);
        disposers.push(() => s.remove());
    }

    // ==================== 工具函数 ====================
    const escHtml = s => String(s ?? '').replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;').replace(/\n/g,' ');
    const noDataHtml = () => `<div style="text-align:center;padding:40px;color:#64748b">${escHtml(t('noData'))}</div>`;
    const fmtD = d => `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`;

    function getTb() {
        if (state.cachedTb && !state.cachedTb.isConnected) { state.cachedTb = null; startObs(); }
        return state.cachedTb || (state.cachedTb = document.querySelector(SEL.tb));
    }

    function waitEl(sel, ms = 10000) {
        return new Promise((res, rej) => {
            const el = document.querySelector(sel);
            if (el) return res(el);
            let done = false;
            const fin = e => { if (done) return; done = true; obs.disconnect(); clearTimeout(t); res(e); };
            const root = document.querySelector('#page_body') || document.documentElement;
            const obs = new MutationObserver(() => { const e = document.querySelector(sel); if (e) fin(e); });
            obs.observe(root, { childList: true, subtree: true });
            const t = setTimeout(() => { if (!done) { done = true; obs.disconnect(); rej(new Error(`waitEl timeout: ${sel}`)); } }, ms);
        });
    }

    function classify(text) {
        const s = text.trim();
        for (const [re, id] of CAT_RE) { if (re.test(s)) return id; }
        return 'other';
    }

    const isHdr = row => {
        if (row.querySelector('th')) return true;
        const d = row.querySelector('td.license_date_col')?.textContent?.trim() || '';
        return d.length > 0 && !/\d/.test(d);
    };

    function dataRows() {
        if (state.cachedDataRows) return state.cachedDataRows;
        const tb = getTb();
        const rows = tb ? Array.from(tb.rows).filter(r => !isHdr(r)) : [];
        state.cachedDataRows = rows;
        return rows;
    }
    const invalidateDataRows = () => { state.cachedDataRows = null; };

    const MON = { jan:0,feb:1,mar:2,apr:3,may:4,jun:5,jul:6,aug:7,sep:8,oct:9,nov:10,dec:11 };
    function parseDate(str) {
        const s = str.trim();
        const m1 = s.match(/(\d{4})\s*年\s*(\d{1,2})\s*月\s*(\d{1,2})\s*日/);
        if (m1) return new Date(+m1[1],+m1[2]-1,+m1[3]).getTime();
        const m2 = s.match(/([A-Za-z]+)\s+(\d{1,2}),?\s+(\d{4})/);
        if (m2) { const mo = MON[m2[1].toLowerCase().slice(0,3)]; if (mo !== undefined) return new Date(+m2[3],mo,+m2[2]).getTime(); }
        const m3 = s.match(/(\d{1,2})\s+([A-Za-z]+),?\s+(\d{4})/);
        if (m3) { const mo = MON[m3[2].toLowerCase().slice(0,3)]; if (mo !== undefined) return new Date(+m3[3],mo,+m3[1]).getTime(); }
        const d = new Date(s); return isNaN(d) ? null : d.getTime();
    }

    // ==================== DOM Helper ====================
    const BOOL_A = new Set(['disabled','checked','selected','readonly','required','hidden','multiple','autofocus','open']);
    function h(tag, p = {}, ch = []) {
        const el = document.createElement(tag);
        for (const [k, v] of Object.entries(p)) {
            if (v == null) continue;
            if (k === 'style' && typeof v === 'object') { for (const [sk, sv] of Object.entries(v)) { sk.startsWith('--') ? el.style.setProperty(sk, sv) : el.style[sk] = sv; } }
            else if (k === 'dataset') Object.assign(el.dataset, v);
            else if (k.startsWith('on') && typeof v === 'function') el.addEventListener(k.slice(2).toLowerCase(), v);
            else if (k === 'text') el.textContent = v;
            else if (k === 'html') el.innerHTML = v;
            else if (BOOL_A.has(k)) { v ? el.setAttribute(k, '') : el.removeAttribute(k); }
            else el.setAttribute(k, v);
        }
        for (const c of ch) el.appendChild(typeof c === 'string' ? document.createTextNode(c) : c);
        return el;
    }

    // ==================== 昵称 ====================
    const getNick = () => document.querySelector('#account_pulldown')?.textContent.trim()
        || document.querySelector('#global_header .user_persona')?.textContent.trim() || '';

    function updateTitle() {
        const nick = getNick();
        if (!nick) return;
        const hdr = document.querySelector(SEL.hdr);
        if (!hdr) return;
        const orig = hdr.dataset.origTitle || hdr.textContent.trim();
        const title = t('pageTitle').replace('{nickname}', nick);
        let span = hdr.querySelector('.page-title-text');
        if (!span) {
            span = h('span', { class:'page-title-text', text:title });
            hdr.textContent = ''; hdr.appendChild(span);
            hdr.style.cssText = 'display:flex;align-items:center;justify-content:space-between;width:100%;cursor:pointer';
            span.style.cssText = 'max-width:500px;overflow-wrap:break-word';
        }
        if (!hdr.dataset.titleInit) {
            hdr.dataset.titleInit = '1';
            const handler = e => {
                if (e.target.closest('.search-box')) return;
                const show = hdr.dataset.showOrig === '1';
                const newText = show ? hdr.dataset.newTitle : hdr.dataset.origTitle;
                // 只更新文本节点，保留子元素（如 .slc-load-status）
                const firstNode = span.firstChild;
                if (firstNode && firstNode.nodeType === Node.TEXT_NODE) {
                    firstNode.nodeValue = newText;
                } else {
                    span.insertBefore(document.createTextNode(newText), span.firstChild);
                }
                hdr.dataset.showOrig = show ? '0' : '1';
            };
            hdr.addEventListener('click', handler);
            disposers.push(() => hdr.removeEventListener('click', handler));
        } else { span.textContent = title; }
        hdr.dataset.origTitle = orig; hdr.dataset.newTitle = title;
        document.title = title;
    }

    function addBreadcrumb() {
        const cur = document.querySelector('.blockbg .breadcrumb_current_page');
        if (!cur || cur.dataset.done) return;
        cur.dataset.done = '1';
        const p = cur.parentElement;
        p.appendChild(h('span', { class:'breadcrumb_separator', text:'>' }));
        p.appendChild(h('a', { href:'https://store.steampowered.com/account/history', target:'_blank', text:t('historyLink'), 'data-panel':'{"noFocusRing":true}' }));
    }

    // ==================== UI Refs ====================
    const ui = {
        btns: new Map(), statTotal: null, statCounts: new Map(), statBars: new Map(), statCards: new Map(),
        pageTotal: null, prevBtn: null, nextBtn: null, showAllBtn: null, pageInput: null,
        searchInput: null,
        donutRefs: null, yearRefs: null, yearMonthRefs: null, predictRefs: null,
        trendRefs: null, similarRefs: null, resizeObs: null,
        trendVisible: null, trendCumulative: true, similarPrefixWords: undefined
    };

    // ==================== Core Logic ====================
    function markRows() {
        const tb = getTb();
        if (!tb) return;
        try {
            for (const row of tb.rows) {
                if (isHdr(row)) { delete row.dataset.category; delete row.dataset.dateTimestamp; delete row.dataset.searchText; continue; }
                // 删除 "未找到许可" 的无效行
                if (row.textContent.includes('未找到许可')) { row.remove(); continue; }
                if (row.dataset.category) continue;
                const dc = row.querySelector('td.license_date_col');
                const nc = row.querySelector('td:not(.license_date_col):not(.license_acquisition_col):not(.steamdb_license_id_col)');
                const ac = row.querySelector('td.license_acquisition_col');
                if (!dc || !nc || !ac) continue;
                const raw = dc.textContent.trim();
                row.dataset.dateTimestamp = parseDate(raw) ?? 0;
                const norm = raw.replace(/\s+/g,' ').trim().replace(/ *([年月日]) */g,'$1');
                if (dc.textContent !== norm) dc.textContent = norm;
                row.dataset.category = classify(ac.textContent);
                // 排除 "移除" 按钮文字后提取游戏名（修复 #7：避免 cloneNode 开销）
                const removeLink = nc.querySelector('.free_license_remove_link');
                const removeText = removeLink?.textContent?.trim() || '';
                const fullText = nc.textContent?.trim() || '';
                row.dataset.gameName = removeText ? fullText.replace(removeText, '').trim() : fullText;
                row.dataset.searchText = row.dataset.gameName.toLowerCase();
            }
        } catch (err) { console.error('[SLC] markRows error:', err); }
    }

    function recalc() {
        try {
            for (const k of state.counts.keys()) state.counts.set(k, 0);
            for (const row of dataRows()) {
                const cat = row.dataset.category;
                if (cat && state.counts.has(cat)) {
                    state.counts.set(cat, state.counts.get(cat) + 1);
                    state.counts.set('total', state.counts.get('total') + 1);
                }
            }
        } catch (err) { console.error('[SLC] recalc error:', err); }
    }

    function refreshNums(vis, catCnts) {
        const filtering = !!state.search || state.dateFrom || state.dateTo || state.noFree;
        const total = filtering ? [...catCnts.values()].reduce((s,v)=>s+v,0) : state.counts.get('total');
        ui.statTotal.textContent = total;
        for (const c of CATS) {
            const val = filtering ? (catCnts.get(c.id)||0) : state.counts.get(c.id);
            const el = ui.statCounts.get(c.id);
            if (el) el.textContent = val;
            const bar = ui.statBars.get(c.id);
            if (bar) bar.style.width = total ? (val/total*100)+'%' : '0%';
        }
        const totalBar = ui.statBars.get('all');
        if (totalBar) totalBar.style.width = '100%';
    }

    function lockWidths() {
        const d = String(state.counts.get('total')).length;
        if (ui.statTotal) ui.statTotal.style.minWidth = `${d}ch`;
        for (const [, el] of ui.statCounts) el.style.minWidth = `${Math.max(1,d-1)}ch`;
    }

    // 加载期间的轻量统计刷新：仅更新分类和数字，不做分页渲染
    function refreshLoadingStats() {
        if (!ui.statTotal) return; // 面板尚未创建
        invalidateDataRows();
        markRows();
        recalc();
        lockWidths();
        // 从 state.counts 构建显示用计数，处理排除免费（搜索/日期筛选在最终applyPage时生效）
        const catCnts = new Map(CATS.map(c => [c.id, state.noFree && c.id === 'free' ? 0 : state.counts.get(c.id)]));
        refreshNums([], catCnts);
    }

    function applyFilter(ft) {
        const tb = getTb(); if (!tb) return;
        state.filter = ft;
        if (state.filterCls) tb.classList.remove(state.filterCls);
        state.filterCls = ft !== 'all' ? `filter-${ft}` : '';
        if (state.filterCls) tb.classList.add(state.filterCls);
        ui.btns.forEach((b, id) => b.classList.toggle('active', id === ft));
        if (ui.statCards) ui.statCards.forEach((el, id) => { const card = el?.closest('.stat-card'); if (card) card.classList.toggle('active', id === ft); });
        state.page = 1; applyPage();
    }

    function sortRows(rows) {
        const [f, dir] = state.sortBy.split('-');
        return rows.sort((a, b) => {
            let c = 0;
            if (f === 'date') c = (+a.dataset.dateTimestamp||0) - (+b.dataset.dateTimestamp||0);
            else if (f === 'name') c = (a.dataset.gameName||'').localeCompare(b.dataset.gameName||'');
            return dir === 'asc' ? c : -c;
        });
    }

    function getVisible() {
        const all = dataRows();
        const fromT = state.dateFrom ? new Date(state.dateFrom).getTime() : 0;
        const toT = state.dateTo ? new Date(state.dateTo).getTime() + CFG.DAY_MS : Infinity;
        const sq = state.search;
        const fcat = state.filter;
        const vis = [], catCnts = new Map(CATS.map(c=>[c.id,0]));
        for (const row of all) {
            const cat = row.dataset.category;
            if (!cat || cat === 'other') continue;
            const rd = +row.dataset.dateTimestamp||0;
            if (rd && (rd < fromT || rd > toT)) { row.classList.remove('search-match'); continue; }
            const match = !sq || (row.dataset.searchText||'').includes(sq);
            row.classList.toggle('search-match', match);
            if (!match) continue;
            if (state.noFree && cat === 'free') { row.classList.remove('search-match'); continue; }
            catCnts.set(cat, (catCnts.get(cat)||0)+1);
            if (fcat !== 'all' && cat !== fcat) { row.classList.remove('search-match'); continue; }
            vis.push(row);
        }
        if (state.sortBy !== 'date-desc') sortRows(vis);
        return { vis, catCnts };
    }

    function applyPage() {
        try {
            const tb = getTb(); if (!tb) return;
            const { vis, catCnts } = getVisible();
            const hasF = !!state.search || state.dateFrom || state.dateTo || state.noFree;
            tb.classList.toggle('search-filtered', hasF);
            refreshNums(vis, catCnts);
            if (state.showAll) {
                tb.classList.remove('paginated'); state.totalPages = 1;
                for (const r of tb.rows) r.classList.remove('page-visible');
            } else {
                tb.classList.add('paginated');
                const newTotalPages = Math.max(1, Math.ceil(vis.length / CFG.PAGE_SIZE));
                state.totalPages = newTotalPages;
                // 修复分页同步：当 totalPages 减少时校正页码
                if (state.page > state.totalPages) {
                    state.page = state.totalPages;
                }
                state.page = Math.max(1, state.page);
                const start = (state.page-1)*CFG.PAGE_SIZE, end = start+CFG.PAGE_SIZE;
                const set = new Set(vis.slice(start, end));
                for (const r of tb.rows) { if (!r.dataset.category) continue; r.classList.toggle('page-visible', set.has(r)); }
            }
            updatePager();
        } catch (err) { console.error('[SLC] applyPage error:', err); }
    }

    // ==================== 分页 ====================
    function createPager() {
        const prev = h('button',{class:'pager-btn','data-action':'prev',text:t('prev')});
        const inp = h('input',{type:'text',class:'page-input'});
        const tot = h('span',{style:{color:'#c7d5e0',minWidth:'30px',display:'inline-block',textAlign:'center'}});
        const sep = h('span',{style:{color:'#8a9ba8'},text:' / '});
        const info = h('span',{class:'page-info'},[inp,sep,tot]);
        const next = h('button',{class:'pager-btn','data-action':'next',text:t('next')});
        const show = h('button',{class:'pager-btn','data-action':'showAll',text:t('showAll')});
        inp.addEventListener('blur',()=>handlePageInp(inp));
        inp.addEventListener('keydown',e=>{if(e.key==='Enter'){e.preventDefault();inp.blur();}});
        ui.prevBtn=prev; ui.nextBtn=next; ui.showAllBtn=show; ui.pageTotal=tot; ui.pageInput=inp;
        return {prev,info,next,show};
    }

    function handlePageInp(inp) {
        const v = parseInt(inp.value,10);
        if (!isNaN(v) && v>=1 && v<=state.totalPages && v!==state.page) { state.page=v; applyPage(); }
        else inp.value=state.page;
    }

    function updatePager() {
        if (!ui.prevBtn) return;
        const ss = document.querySelector('#slc-sort');
        if (state.showAll) {
            ui.showAllBtn.textContent=t('pagedView'); ui.showAllBtn.classList.add('active-mode');
            ui.prevBtn.disabled=ui.nextBtn.disabled=true; ui.pageInput.value=1; ui.pageInput.disabled=true;
            if(ss){ss.disabled=true;ss.value='date-desc';state.sortBy='date-desc';}
        } else {
            ui.showAllBtn.textContent=t('showAll'); ui.showAllBtn.classList.remove('active-mode');
            ui.prevBtn.disabled=state.page<=1; ui.nextBtn.disabled=state.page>=state.totalPages;
            ui.pageInput.value=state.page; ui.pageInput.disabled=false; if(ss)ss.disabled=false;
        }
        ui.pageTotal.textContent=state.totalPages;
    }

    // ==================== Modal Factory ====================
    const ICONS = {
        donut: `<svg ${_S}><path d="M21.21 15.89A10 10 0 1 1 8 2.83"/><path d="M22 12A10 10 0 0 0 12 2v10z"/></svg>`,
        year: `<svg ${_S}><rect x="3" y="12" width="4" height="9" rx="1"/><rect x="10" y="7" width="4" height="14" rx="1"/><rect x="17" y="3" width="4" height="18" rx="1"/></svg>`,
        predict: `<svg ${_S}><polyline points="22 12 18 12 15 21 9 3 6 12 2 12"/></svg>`,
        trend: `<svg ${_S}><polyline points="23 6 13.5 15.5 8.5 10.5 1 18"/><polyline points="17 6 23 6 23 12"/></svg>`,
        similar: `<svg ${_S}><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/><polyline points="3.27 6.96 12 12.01 20.73 6.96"/><line x1="12" y1="22.08" x2="12" y2="12"/></svg>`,
        key: `<svg ${_S}><path d="M21 2l-2 2m-7.61 7.61a5.5 5.5 0 1 1-7.778 7.778 5.5 5.5 0 0 1 7.777-7.777zm0 0L15.5 7.5m0 0l3 3L22 7l-3-3m-3.5 3.5L19 4"/></svg>`,
        info: `<svg ${_S}><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>`,
        calendarHeatmap: `<svg ${_S}><rect x="3" y="4" width="18" height="18" rx="2" ry="2"/><line x1="16" y1="2" x2="16" y2="6"/><line x1="8" y1="2" x2="8" y2="6"/><line x1="3" y1="10" x2="21" y2="10"/></svg>`,
        export: `<svg ${_S}><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>`,
        shield: `<svg ${_S}><rect x="1" y="6" width="22" height="12" rx="3" fill="none"/><line x1="6" y1="11" x2="10" y2="11"/><line x1="8" y1="9" x2="8" y2="13"/><circle cx="16" cy="9.5" r="1" fill="none"/><circle cx="18" cy="11.5" r="1" fill="none"/><line x1="4" y1="3" x2="20" y2="21" stroke="currentColor" stroke-width="2.2" stroke-linecap="round"/></svg>`,
        clock: `<svg ${_S}><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>`
    };
    ICONS['year-month'] = ICONS.year;

    function createChartModal(prefix, title, iconBg, noteKey = 'dataNote') {
        const modal = document.createElement('div');
        modal.id = `slc-${prefix}-modal`; modal.className = 'slc-modal';
        const contentId = `slc-${prefix}-c`;
        const nav = MODAL_NAV.find(n => n.prefix === prefix);
        const navHtml = nav ? buildNavSidebar(prefix) : '';
        const modalIcon = nav?.icon || ICONS[prefix] || ICONS.info;
        modal.innerHTML = `<div id="${contentId}" class="slc-mc">${navHtml}<button class="slc-mx">&times;</button><div class="slc-mh"><div id="slc-${prefix}-hi" class="slc-mh-i" style="background:${iconBg}">${modalIcon}</div><div class="slc-mh-t">${escHtml(title)}</div></div><div id="slc-${prefix}-body"></div><div class="slc-mf">${ICONS.info}<span class="slc-mf-t">${escHtml(t(noteKey))}</span></div></div>`;
        document.body.appendChild(modal);
        const hide = () => modal.classList.remove('visible');
        modal.addEventListener('click', e => { if (e.target === modal) hide(); });
        modal.querySelector('.slc-mx').addEventListener('click', hide);
        // 防止滚轮事件穿透到页面
        const mc = modal.querySelector('.slc-mc');
        mc.addEventListener('wheel', e => { e.stopPropagation(); }, { passive: true });
        // 绑定导航按钮点击事件
        modal.querySelectorAll('.slc-nav-btn').forEach(btn => {
            btn.addEventListener('click', e => { e.stopPropagation(); switchToModal(btn.dataset.navKey); });
        });
        disposers.push(() => { modal.remove(); });
        return { modal, hide, bodyEl: modal.querySelector(`#slc-${prefix}-body`) };
    }

    const _modalKeys = ['donutRefs','yearRefs','yearMonthRefs','predictRefs','trendRefs','similarRefs','calRefs','delistedRefs'];

    // 窗口导航配置
    const MODAL_NAV = [
        { key: 'donutRefs', prefix: 'donut', icon: ICONS.donut, titleKey: 'donutTitle', showFn: showDonut, color: '#3b82f6' },
        { key: 'yearRefs', prefix: 'year', icon: ICONS.year, titleKey: 'yearTitle', showFn: showYear, color: '#8b5cf6' },
        { key: 'predictRefs', prefix: 'predict', icon: ICONS.predict, titleKey: 'predictTitle', showFn: showPredict, color: '#f59e0b' },
        { key: 'trendRefs', prefix: 'trend', icon: ICONS.trend, titleKey: 'trendTitle', showFn: showTrend, color: '#3b82f6' },
        { key: 'similarRefs', prefix: 'similar', icon: ICONS.similar, titleKey: 'similarTitle', showFn: showSimilar, color: '#f97316' },
        { key: 'calRefs', prefix: 'cal', icon: ICONS.calendarHeatmap, titleKey: 'calendarTitle', showFn: showCalendarHeatmap, color: '#10b981' },
        { key: 'delistedRefs', prefix: 'delisted', icon: ICONS.shield, titleKey: 'delistedTitle', showFn: showDelisted, color: '#f44336' }
    ];

    // 切换到指定窗口（无动画）
    function switchToModal(targetKey) {
        const targetNav = MODAL_NAV.find(n => n.key === targetKey);
        if (!targetNav) return;
        const ref = ui[targetNav.key];
        hideAllModals();
        if (ref) {
            ref.modal.classList.add('visible');
        } else {
            targetNav.showFn();
            // 首次创建：showFn 会立即添加 visible，需要移除后在下一帧重新添加以触发动画
            const newRef = ui[targetNav.key];
            if (newRef) {
                newRef.modal.classList.remove('visible');
                requestAnimationFrame(() => newRef.modal.classList.add('visible'));
            }
        }
    }

    // 生成导航栏 HTML
    function buildNavSidebar(currentPrefix) {
        const buttons = MODAL_NAV.map(nav => {
            const isActive = nav.prefix === currentPrefix;
            const style = isActive ? `background:${nav.color};border-color:transparent;box-shadow:0 2px 8px ${nav.color}40` : '';
            return `<button class="slc-nav-btn${isActive ? ' active' : ''}" data-nav-key="${nav.key}" title="${escHtml(t(nav.titleKey))}" style="${style}">${nav.icon}</button>`;
        }).join('');
        return `<div class="slc-nav-sidebar">${buttons}</div>`;
    }

    function hideAllModals() {
        _modalKeys.forEach(k => ui[k]?.modal.classList.remove('visible'));
        rs.modal?.classList.remove('visible');
    }

    function buildGrid(max, pL, pR, pT, cH) {
        let grid = '';
        for (let i = 0; i <= 5; i++) {
            const v = Math.round(max / 5 * i), y = pT + cH - (cH * i / 5);
            grid += `<line x1="${pL}" y1="${y}" x2="${pR}" y2="${y}" stroke="rgba(255,255,255,.08)"/><text x="${pL - 8}" y="${y + 4}" text-anchor="end" fill="#8a9ba8" font-size="11">${v}</text>`;
        }
        return grid;
    }

    function buildStackedSvg({ labels, data, cats, max, svgW, svgH, pL, pR, pT, pB, bW, clickable }) {
        const cW = svgW - pL - pR, cH = svgH - pT - pB;
        const gap = cW / labels.length;
        const grid = buildGrid(max, pL, svgW - pR, pT, cH);
        let bars = '';
        labels.forEach((label, i) => {
            const item = data[i], cx = pL + gap * i + gap / 2;
            let sh = 0;
            const tot = cats.reduce((s, c) => s + (item.get(c.id) || 0), 0);
            let barStack = '';
            for (const c of cats) {
                const n = item.get(c.id) || 0, ht = max ? (n / max) * cH : 0, y = pT + cH - sh - ht;
                barStack += `<rect x="${cx - bW / 2}" y="${y}" width="${bW}" height="${ht}" fill="${c.color}" opacity=".85" rx="1"><title>${label} ${escHtml(c.label)}: ${n} (${tot ? (n / tot * 100).toFixed(1) : 0}%)</title></rect>`;
                sh += ht;
            }
            if (clickable) {
                bars += `<g class="year-bar-group" data-year="${label}" style="cursor:pointer">${barStack}<rect x="${cx - bW / 2}" y="${pT}" width="${bW}" height="${cH}" fill="transparent"/><text x="${cx}" y="${pT + cH + 18}" text-anchor="middle" fill="#8a9ba8" font-size="11" style="pointer-events:none">${label}</text></g>`;
            } else {
                bars += `${barStack}<text x="${cx}" y="${pT + cH + 18}" text-anchor="middle" fill="#8a9ba8" font-size="11">${label}</text>`;
            }
        });
        const legend = cats.map(c => `<span class="yl"><span class="yc" style="background:${c.color}"></span>${escHtml(c.label)}</span>`).join('');
        return `<div style="margin:16px 0;padding:20px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px"><div style="display:flex;justify-content:center"><svg width="100%" viewBox="0 0 ${svgW} ${svgH}" style="max-width:${svgW}px">${grid}${bars}<line x1="${pL}" y1="${pT + cH}" x2="${svgW - pR}" y2="${pT + cH}" stroke="rgba(255,255,255,.15)"/></svg></div></div><div id="slc-year-legend">${legend}</div>`;
    }

    // ==================== Donut Chart ====================
    function showDonut() {
        if (!ui.donutRefs) ui.donutRefs = createChartModal('donut', t('donutTitle'), '#3b82f6');
        const { modal, bodyEl } = ui.donutRefs;
        const cnts=chartCounts(), total=cnts.get('total')||0;
        const hash=CATS.map(c=>cnts.get(c.id)).join(',');
        if(hash===modal.dataset.hash){modal.classList.add('visible');return;}
        modal.dataset.hash=hash;
        const cats=chartCats(), data=cats.map(c=>({...c,count:cnts.get(c.id)||0})).filter(d=>d.count>0);
        const sz=240,sw=40,r=(sz-sw)/2,C=2*Math.PI*r;
        let off=0;
        const segs=data.map(d=>{
            const dash=(d.count/total)*C;
            const s=`<circle cx="${sz/2}" cy="${sz/2}" r="${r}" fill="none" stroke="${d.color}" stroke-width="${sw}" stroke-dasharray="${dash} ${C-dash}" stroke-dashoffset="${-off}" transform="rotate(-90 ${sz/2} ${sz/2})" style="transition:all .3s ease"/>`;
            off+=dash; return s;
        }).join('');
        const maxCount=Math.max(...data.map(d=>d.count),1);
        const barCols=data.map(d=>{
            const pct=(d.count/maxCount*100).toFixed(1);
            return `<div class="bar-col"><div class="bar-value">${d.count}</div><div class="bar-track-v"><div class="bar-fill-v" style="height:${pct}%;background:${d.color}"></div></div><div class="bar-label">${escHtml(d.label)}</div></div>`;
        }).join('');
        bodyEl.innerHTML=`<div id="slc-donut-layout"><div id="slc-donut-left"><svg width="${sz}" height="${sz}" viewBox="0 0 ${sz} ${sz}" style="filter:drop-shadow(0 4px 12px rgba(0,0,0,.3))">${segs}<text x="50%" y="45%" text-anchor="middle" fill="#c7d5e0" font-size="32" font-weight="bold">${total}</text><text x="50%" y="58%" text-anchor="middle" fill="#8a9ba8" font-size="13">${escHtml(t('total'))}</text></svg></div><div id="slc-donut-right"><div class="bar-chart">${barCols}</div></div></div><div id="slc-donut-legend">${data.map(d=>`<div class="li"><div class="lc" style="background:${d.color}"></div><div class="ll">${escHtml(d.label)}</div><div class="lv">${d.count} (${(d.count/total*100).toFixed(1)}%)</div></div>`).join('')}</div>`;
        modal.classList.add('visible');
    }

    // ==================== Year Chart ====================
    // 构建年度/月度图表数据
    function buildYearChartData(timeUnit, filterYear = null) {
        const cats = isNoFree() ? CATS.filter(c => c.id !== 'free') : CATS;
        const timeMap = new Map();
        
        for (const row of dataRows()) {
            const cat = row.dataset.category;
            if (!cat || cat === 'other' || (isNoFree() && cat === 'free')) continue;
            const ts = +row.dataset.dateTimestamp || 0;
            if (!ts) continue;
            
            const d = new Date(ts);
            if (filterYear && d.getFullYear() !== filterYear) continue;
            
            const timeKey = timeUnit === 'year' ? d.getFullYear() : d.getMonth() + 1;
            if (!timeMap.has(timeKey)) timeMap.set(timeKey, new Map(cats.map(c => [c.id, 0])));
            const td = timeMap.get(timeKey);
            if (td.has(cat)) td.set(cat, td.get(cat) + 1);
        }
        
        return { cats, timeMap };
    }

    function showYear() {
        if (!ui.yearRefs) ui.yearRefs = createChartModal('year', t('yearTitle'), '#8b5cf6');
        const { modal, bodyEl } = ui.yearRefs;
        
        const { cats, timeMap } = buildYearChartData('year');
        if (!timeMap.size) {
            bodyEl.innerHTML = noDataHtml();
            modal.classList.add('visible');
            return;
        }
        
        const times = [...timeMap.keys()].sort((a, b) => a - b);
        const maxVal = Math.max(...times.map(t => [...timeMap.get(t).values()].reduce((s, v) => s + v, 0)));
        const svgW = 700, svgH = 380, pL = 50, pR = 20, pT = 20, pB = 40;
        const bW = Math.min(40, ((svgW - pL - pR) / times.length) * .6);
        
        bodyEl.innerHTML = buildStackedSvg({
            labels: times,
            data: times.map(t => timeMap.get(t)),
            cats,
            max: maxVal,
            svgW, svgH, pL, pR, pT, pB,
            bW,
            clickable: true
        });
        
        bodyEl.querySelectorAll('.year-bar-group').forEach(g => {
            g.addEventListener('click', () => showYearMonthDetail(+g.dataset.year, cats));
        });
        modal.classList.add('visible');
    }

    function showYearMonthDetail(year, cats = null) {
        if (!ui.yearMonthRefs) ui.yearMonthRefs = createChartModal('year-month', '', '#8b5cf6');
        const { modal, bodyEl } = ui.yearMonthRefs;
        // 每次打开都更新标题（title 只在 createChartModal 首次调用时写入）
        const titleEl = modal.querySelector('.slc-mh-t');
        if (titleEl) titleEl.textContent = `${year} ${t('monthlyDistribution')}`;
        
        const { cats: detailCats, timeMap } = buildYearChartData('month', year);
        const finalCats = cats || detailCats;
        
        // 确保所有月份都有数据
        const months = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
        const monthData = months.map(m => {
            if (!timeMap.has(m)) {
                return new Map(finalCats.map(c => [c.id, 0]));
            }
            return timeMap.get(m);
        });
        
        const maxM = Math.max(...monthData.map(m => [...m.values()].reduce((s, v) => s + v, 0)));
        const svgW = 700, svgH = 380, pL = 50, pR = 20, pT = 20, pB = 50;
        const bW = Math.min(30, ((svgW - pL - pR) / 12) * .6);
        
        bodyEl.innerHTML = buildStackedSvg({
            labels: months.map(m => m + '月'),
            data: monthData,
            cats: finalCats,
            max: maxM,
            svgW, svgH, pL, pR, pT, pB,
            bW,
            clickable: false
        });
        modal.classList.add('visible');
    }

    // ==================== 预测 ====================

    function buildPredictSum({ rows, udates, apd, avg, lastD, predD }) {
        return `<div id="slc-ps">
            <div class="pc"><div class="pc-i blue">${ICONS.similar}</div><div class="pc-t"><span class="pc-l">${escHtml(t('predictTotalItems'))}</span><span class="pc-v">${rows}</span></div></div>
            <div class="pc"><div class="pc-i purple">${ICONS.calendarHeatmap}</div><div class="pc-t"><span class="pc-l">${escHtml(t('predictTotalGames'))}</span><span class="pc-v">${udates}</span></div></div>
            <div class="pc"><div class="pc-i cyan">${ICONS.predict}</div><div class="pc-t"><span class="pc-l">${escHtml(t('predictAvgPerDay'))}</span><span class="pc-v">${apd}</span></div></div>
            <div class="pc"><div class="pc-i green">${ICONS.clock}</div><div class="pc-t"><span class="pc-l">${escHtml(t('predictOverallAvg'))}</span><span class="pc-v">${avg.toFixed(1)} ${escHtml(t('predictDays'))}</span></div></div>
            <div class="pc"><div class="pc-i orange">${ICONS.donut}</div><div class="pc-t"><span class="pc-l">${escHtml(t('predictLastDate'))}</span><span class="pc-v">${fmtD(lastD)}</span></div></div>
            <div class="pc"><div class="pc-i rose">${ICONS.trend}</div><div class="pc-t"><span class="pc-l">${escHtml(t('predictNextDate'))}</span><span class="pc-v ac">${fmtD(predD)}</span></div></div>
        </div>`;
    }

    function buildPredictTable(ym, ycMap, ylMap) {
        const yrs = [...ym.keys()].sort((a, b) => b - a);
        const tRows = yrs.map(y => {
            const info = ym.get(y), a = info.ints.length > 0 ? info.ints.reduce((s, v) => s + v, 0) / info.ints.length : 0;
            const cnt = ycMap.get(y) || 0, lic = ylMap.get(y) || 0, daily = cnt > 0 ? (lic / cnt).toFixed(2) : '0.00', pct = (cnt / 365 * 100).toFixed(1);
            return `<tr><td style="font-weight:600">${y}</td><td>${lic}</td><td>${cnt}</td><td>${daily}</td><td>${a > 0 ? a.toFixed(1) + ' ' + escHtml(t('predictDays')) : '-'}</td><td style="min-width:120px"><div class="pb"><div class="pb-f" style="width:${pct}%"></div></div></td></tr>`;
        }).join('');
        return `<div id="slc-pr"><table id="slc-pt"><thead><tr><th>${escHtml(t('yearTitle'))}</th><th>${escHtml(t('predictYearLicenses'))}</th><th>${escHtml(t('predictYearCount'))}</th><th>${escHtml(t('predictDailyLicenses'))}</th><th>${escHtml(t('predictYearAvg'))}</th><th>${escHtml(t('predictYearRatio'))}</th></tr></thead><tbody>${tRows}</tbody></table></div>`;
    }

    function showPredict() {
        if (!ui.predictRefs) ui.predictRefs = createChartModal('predict', t('predictTitle'), '#f59e0b', 'predictNote');
        const { modal, bodyEl } = ui.predictRefs;
        const rows = dataRows().filter(r => r.dataset.category && r.dataset.category !== 'free' && +r.dataset.dateTimestamp > 0);
        if (rows.length < 2) { bodyEl.innerHTML = noDataHtml(); modal.classList.add('visible'); return; }

        const dateSet = new Set(), udates = [];
        for (const r of rows) { const ts = +r.dataset.dateTimestamp; if (ts > 0 && !dateSet.has(ts)) { dateSet.add(ts); udates.push(ts); } }
        udates.sort((a, b) => a - b);
        if (udates.length < 2) { bodyEl.innerHTML = noDataHtml(); modal.classList.add('visible'); return; }

        const intervals = [];
        for (let i = 1; i < udates.length; i++) intervals.push(Math.round((udates[i] - udates[i - 1]) / CFG.DAY_MS));
        const avg = intervals.reduce((s, v) => s + v, 0) / intervals.length;

        const ym = new Map();
        for (let i = 1; i < udates.length; i++) {
            const y = new Date(udates[i]).getFullYear();
            if (!ym.has(y)) ym.set(y, { ints: [], cnt: 0 });
            ym.get(y).ints.push(Math.round((udates[i] - udates[i - 1]) / CFG.DAY_MS));
            ym.get(y).cnt++;
        }
        const ycMap = new Map(), ylMap = new Map();
        for (const ts of udates) { const y = new Date(ts).getFullYear(); ycMap.set(y, (ycMap.get(y) || 0) + 1); }
        for (const r of rows) { const ts = +r.dataset.dateTimestamp; if (ts > 0) { const y = new Date(ts).getFullYear(); ylMap.set(y, (ylMap.get(y) || 0) + 1); } }

        const lastD = new Date(udates[udates.length - 1]);
        const predD = new Date(lastD.getTime() + avg * CFG.DAY_MS);
        const apd = udates.length > 0 ? (rows.length / udates.length).toFixed(2) : '0';

        bodyEl.innerHTML = `<div id="slc-pb">${buildPredictSum({ rows: rows.length, udates: udates.length, apd, avg, lastD, predD })}${buildPredictTable(ym, ycMap, ylMap)}</div>`;
        modal.classList.add('visible');
    }

    function showTrend() {
        if (!ui.trendRefs) ui.trendRefs = createChartModal('trend', t('trendTitle'), '#3b82f6', 'dataNote');
        const { modal, bodyEl } = ui.trendRefs;

        // 分类颜色（与主分类统一）
        const catColors = { all: '#64748b', ...Object.fromEntries(CATS.map(c => [c.id, c.color])) };
        const catOrder = CATS.map(c => c.id);

        // 初始化可见性（默认不显示总和，只显示4个分类）
        if (!ui.trendVisible) ui.trendVisible = new Set(catOrder);
        if (ui.trendCumulative === undefined) ui.trendCumulative = true;

        const allRows = dataRows().filter(r => r.dataset.category && r.dataset.category !== 'other' && +r.dataset.dateTimestamp > 0);

        // 创建图表容器
        const chartContainerId = 'slc-trend-chart-container';
        bodyEl.innerHTML = `<div id="${chartContainerId}" style="padding:20px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px">${noDataHtml()}</div>`;
        const chartContainer = bodyEl.querySelector(`#${chartContainerId}`);

        // 清理上一次的事件处理器（修复 #2）
        if (bodyEl._trendCleanup) { bodyEl._trendCleanup(); bodyEl._trendCleanup = null; }
        let trendFilterHandler = null;
        let trendCumHandler = null;

        function renderTrend() {
            const visibleCats = catOrder.filter(c => ui.trendVisible.has(c));
            const showAll = ui.trendVisible.has('all');
            if (!visibleCats.length && !showAll) { chartContainer.innerHTML = noDataHtml(); return; }

            const rows = allRows.filter(r => ui.trendVisible.has(r.dataset.category) || showAll);
            if (!rows.length) { chartContainer.innerHTML = noDataHtml(); return; }

            // 按月统计每个分类和总和
            const emptyMonth = () => ({ all: 0, ...Object.fromEntries(catOrder.map(c => [c, 0])) });
            const monthly = new Map();
            for (const row of rows) {
                const ts = +row.dataset.dateTimestamp;
                const d = new Date(ts);
                const key = `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}`;
                if (!monthly.has(key)) monthly.set(key, emptyMonth());
                const cat = row.dataset.category;
                if (monthly.get(key)[cat] !== undefined) {
                    monthly.get(key)[cat]++;
                    monthly.get(key).all++;
                }
            }

            const sorted = [...monthly.entries()].sort((a, b) => a[0].localeCompare(b[0]));

            // 累加模式下计算累计值
            let data = sorted.map(x => ({ ...x[1] }));
            if (ui.trendCumulative) {
                const cum = emptyMonth();
                data = data.map(d => {
                    for (const c of ['all', ...catOrder]) cum[c] += d[c];
                    return { ...cum };
                });
            }

            const max = Math.max(...data.map(x => {
                let m = 0;
                if (showAll) m = Math.max(m, x.all);
                catOrder.forEach(c => { if (ui.trendVisible.has(c)) m = Math.max(m, x[c]); });
                return m;
            })) || 1;
            const svgW = 700, svgH = 320, pL = 50, pR = 20, pT = 20, pB = 60;
            const cW = svgW - pL - pR, cH = svgH - pT - pB;
            const step = cW / (sorted.length - 1 || 1);

            // 生成每条可见曲线
            const lineKeys = [...(showAll ? ['all'] : []), ...visibleCats];
            const lines = lineKeys.map(cat => {
                const points = data.map((item, i) => {
                    const x = pL + i * step;
                    const y = pT + cH - (item[cat] / max * cH);
                    return `${x},${y}`;
                }).join(' ');
                return `<polyline points="${points}" fill="none" stroke="${catColors[cat]}" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>`;
            }).join('');

            // 网格
            const grid = buildGrid(max, pL, svgW - pR, pT, cH);

            // 年份标签
            let labels = '';
            let lastYear = '';
            sorted.forEach((item, i) => {
                const x = pL + i * step;
                const year = item[0].split('-')[0];
                if (year !== lastYear) {
                    labels += `<text x="${x}" y="${pT + cH + 18}" text-anchor="middle" fill="#8a9ba8" font-size="11">${year}</text>`;
                    lastYear = year;
                }
            });

            const svg = `<svg width="100%" viewBox="0 0 ${svgW} ${svgH}" style="max-width:${svgW}px">${grid}${lines}${labels}<line x1="${pL}" y1="${pT+cH}" x2="${svgW-pR}" y2="${pT+cH}" stroke="rgba(255,255,255,.15)"/></svg>`;

            chartContainer.innerHTML = `<div style="display:flex;justify-content:center">${svg}</div>`;
        }

        // 筛选按钮
        const filterBtns = document.createElement('div');
        filterBtns.setAttribute('data-trend-filter-btns', 'true');
        filterBtns.style.cssText = 'display:flex;gap:12px;justify-content:center;margin-bottom:16px;padding:12px;background:rgba(0,0,0,.2);border-radius:8px';

        // 累加模式切换开关（内联到筛选按钮行）
        const cumToggle = document.createElement('div');
        cumToggle.style.cssText = 'display:flex;align-items:center;gap:8px;margin-left:16px;padding-left:16px;border-left:1px solid rgba(255,255,255,.15)';
        cumToggle.innerHTML = `<span style="font-size:13px;color:#c7d5e0">${t('trendCumulative')}</span><label style="position:relative;width:36px;height:20px;cursor:pointer"><input type="checkbox" id="slc-trend-cum" style="opacity:0;width:0;height:0;position:absolute"><span class="tg-track" style="position:absolute;inset:0;background:#2a475e;border:1px solid #4a6a7a;border-radius:10px;transition:all .2s"><span style="position:absolute;top:2px;width:14px;height:14px;border-radius:50%;transition:all .2s"></span></span></label>`;
        const cumInput = cumToggle.querySelector('#slc-trend-cum');
        const cumTrack = cumToggle.querySelector('.tg-track');
        const cumThumb = cumTrack.querySelector('span');
        cumInput.checked = ui.trendCumulative;
        function updateCumStyle() {
            const on = ui.trendCumulative;
            cumTrack.style.background = on ? 'rgba(59,130,246,.3)' : '#2a475e';
            cumTrack.style.borderColor = on ? '#3b82f6' : '#4a6a7a';
            cumThumb.style.left = on ? '16px' : '2px';
            cumThumb.style.background = on ? '#3b82f6' : '#8a9ba8';
        }
        updateCumStyle();
        
        trendCumHandler = () => {
            ui.trendCumulative = cumInput.checked;
            updateCumStyle();
            renderTrend();
        };
        cumInput.addEventListener('change', trendCumHandler);

        // 注册清理函数，下次打开时移除旧监听器（修复 #2）
        bodyEl._trendCleanup = () => {
            cumInput.removeEventListener('change', trendCumHandler);
            filterBtns.removeEventListener('click', trendFilterHandler);
        };

        function updateFilterBtns() {
            const allVisible = ui.trendVisible.has('all');
            filterBtns.innerHTML = `<button class="slc-trend-filter" data-cat="all" style="display:flex;align-items:center;gap:6px;padding:6px 12px;background:${allVisible ? 'rgba(255,255,255,.1)' : 'transparent'};border:1px solid ${allVisible ? catColors.all : 'rgba(255,255,255,.2)'};border-radius:6px;cursor:pointer;transition:all .2s"><div style="width:12px;height:12px;border-radius:2px;background:${allVisible ? catColors.all : 'rgba(255,255,255,.3)'}"></div><span style="font-size:13px;color:${allVisible ? '#c7d5e0' : '#64748b'}">${escHtml(t('all'))}</span></button>` + catOrder.map(cat => {
                const visible = ui.trendVisible.has(cat);
                return `<button class="slc-trend-filter" data-cat="${cat}" style="display:flex;align-items:center;gap:6px;padding:6px 12px;background:${visible ? 'rgba(255,255,255,.1)' : 'transparent'};border:1px solid ${visible ? catColors[cat] : 'rgba(255,255,255,.2)'};border-radius:6px;cursor:pointer;transition:all .2s"><div style="width:12px;height:12px;border-radius:2px;background:${visible ? catColors[cat] : 'rgba(255,255,255,.3)'}"></div><span style="font-size:13px;color:${visible ? '#c7d5e0' : '#64748b'}">${escHtml(t(cat))}</span></button>`;
            }).join('');
            filterBtns.appendChild(cumToggle);
        }

        updateFilterBtns();
        bodyEl.insertBefore(filterBtns, chartContainer);
        renderTrend();

        // 绑定筛选事件（使用引用以便清理）
        trendFilterHandler = e => {
            const btn = e.target.closest('button');
            if (!btn) return;
            const cat = btn.dataset.cat;
            if (ui.trendVisible.has(cat)) {
                ui.trendVisible.delete(cat);
            } else {
                ui.trendVisible.add(cat);
            }
            renderTrend();
            updateFilterBtns();
        };
        filterBtns.addEventListener('click', trendFilterHandler);

        modal.classList.add('visible');
    }

    // ==================== Similar License Guess ====================
    function showSimilar() {
        if (!ui.similarRefs) ui.similarRefs = createChartModal('similar', t('similarTitle'), '#f97316', 'dataNote');
        const { modal, bodyEl } = ui.similarRefs;

        // 获取所有非免费游戏名称
        const catMap = new Map(CATS.map(c => [c.id, c]));
        const rows = dataRows().filter(r => r.dataset.gameName && r.dataset.category && r.dataset.category !== 'other' && !(isNoFree() && r.dataset.category === 'free'));
        const names = rows.map(r => {
            const cat = catMap.get(r.dataset.category);
            return {
                name: r.dataset.gameName.trim(),
                cat: r.dataset.category,
                catLabel: cat?.label || r.dataset.category,
                catColor: cat?.color || '#64748b'
            };
        });

        if (names.length < 2) {
            bodyEl.innerHTML = noDataHtml();
            modal.classList.add('visible');
            return;
        }

        // 前缀单词数选择
        if (ui.similarPrefixWords === undefined) ui.similarPrefixWords = 5;
        let prefixWords = ui.similarPrefixWords;
        const prefixBtns = Array.from({length:10},(_,i)=>i+1).map(n=>`<button class="slc-similar-pbtn" data-n="${n}" style="padding:4px 12px;background:${prefixWords===n?'rgba(249,115,22,.2)':'transparent'};border:1px solid ${prefixWords===n?'#f97316':'rgba(255,255,255,.2)'};border-radius:4px;cursor:pointer;color:${prefixWords===n?'#f97316':'#8a9ba8'};font-size:13px;transition:all .2s">${n}</button>`).join('');
        const prefixBar = `<div style="display:flex;align-items:center;gap:8px;margin-bottom:16px;padding:12px;background:rgba(0,0,0,.2);border-radius:8px"><span style="font-size:13px;color:#c7d5e0">${t('similarPrefixLen')}:</span>${prefixBtns}</div>`;

        function getWordPrefix(name, count) {
            // 按空格/特殊字符分词，取前 count 个单词
            const words = name.split(/[\s\-:_,]+/).filter(w => w.length > 0);
            return { key: words.slice(0, count).join(' ').toLowerCase(), display: words.slice(0, count).join(' ') };
        }

        function groupByPrefix(wordCount) {
            const groups = new Map();
            for (const item of names) {
                const { key, display } = getWordPrefix(item.name, wordCount);
                const words = item.name.split(/[\s\-:_,]+/).filter(w => w.length > 0);
                if (words.length < wordCount) continue;
                if (!groups.has(key)) groups.set(key, { display, items: [] });
                groups.get(key).items.push(item);
            }
            return [...groups.entries()].filter(g => g[1].items.length >= 2).sort((a, b) => b[1].items.length - a[1].items.length);
        }

        function renderSimilar(count) {
            const groups = groupByPrefix(count);
            if (!groups.length) {
                return noDataHtml();
            }

            const list = groups.map((g, i) => {
                const [key, { display, items }] = g;
                const itemList = items.map(it => `<div style="display:flex;align-items:center;gap:8px;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.05)"><span style="width:8px;height:8px;border-radius:2px;background:${it.catColor};flex-shrink:0"></span><span style="font-size:13px;color:#c7d5e0;flex:1">${escHtml(it.name)}</span><span style="font-size:12px;color:${it.catColor}">${escHtml(it.catLabel)}</span></div>`).join('');
                return `<div class="slc-similar-group" style="background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px;margin-bottom:12px;overflow:hidden"><div class="slc-similar-hd" style="display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:rgba(0,0,0,.2);cursor:pointer;user-select:none"><span style="font-size:14px;font-weight:600;color:#f97316">${escHtml(display)}</span><span style="display:flex;align-items:center;gap:8px"><span style="font-size:13px;color:#8a9ba8">${t('similarCount')}: ${items.length}</span><svg class="slc-similar-arrow" style="width:14px;height:14px;color:#8a9ba8;transition:transform .2s;transform:rotate(-90deg)" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg></span></div><div class="slc-similar-bd" style="padding:0 16px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease">${itemList}</div></div>`;
            }).join('');

            return `<div style="max-height:500px;overflow-y:auto;padding-right:8px">${list}</div>`;
        }

        bodyEl.innerHTML = prefixBar + `<div id="slc-similar-result">${renderSimilar(prefixWords)}</div>`;

        // 折叠/展开事件：bodyEl 在多次打开间复用，只绑定一次
        if (!bodyEl._similarFoldBound) {
            bodyEl._similarFoldBound = true;
            bodyEl.addEventListener('click', e => {
                const hd = e.target.closest('.slc-similar-hd');
                if (!hd) return;
                const card = hd.closest('.slc-similar-group');
                const bd = card.querySelector('.slc-similar-bd');
                const arrow = hd.querySelector('.slc-similar-arrow');
                const expanded = bd.style.maxHeight !== '0px';
                if (expanded) {
                    bd.style.maxHeight = '0px';
                    bd.style.padding = '0 16px';
                    arrow.style.transform = 'rotate(-90deg)';
                } else {
                    bd.style.maxHeight = bd.scrollHeight + 32 + 'px';
                    bd.style.padding = '12px 16px';
                    arrow.style.transform = 'rotate(0deg)';
                }
            });
        }

        // 前缀单词数选择事件：old firstElementChild 随 innerHTML 替换被销毁，无需手动解绑
        bodyEl.firstElementChild.addEventListener('click', e => {
            const btn = e.target.closest('.slc-similar-pbtn');
            if (!btn) return;
            prefixWords = ui.similarPrefixWords = +btn.dataset.n;
            bodyEl.querySelectorAll('.slc-similar-pbtn').forEach(b => {
                const active = +b.dataset.n === prefixWords;
                b.style.background = active ? 'rgba(249,115,22,.2)' : 'transparent';
                b.style.borderColor = active ? '#f97316' : 'rgba(255,255,255,.2)';
                b.style.color = active ? '#f97316' : '#8a9ba8';
            });
            bodyEl.querySelector('#slc-similar-result').innerHTML = renderSimilar(prefixWords);
        });

        modal.classList.add('visible');
    }

    // ==================== CDKey Redeem ====================
    const FAIL_MAP = {14:'invalidKey',15:'duplicateKey',53:'rateLimit',13:'regionRestrict',9:'alreadyOwned',24:'missingDep',50:'walletCode'};
    const SVG_OK='<svg viewBox="0 0 24 24" style="width:16px;height:16px;vertical-align:middle;margin-right:4px" fill="none"><circle cx="12" cy="12" r="10" fill="#22c55e"/><path d="M7 12l2.5 2.5L17 7" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>';
    const SVG_FAIL='<svg viewBox="0 0 24 24" style="width:16px;height:16px;vertical-align:middle;margin-right:4px" fill="none"><circle cx="12" cy="12" r="10" fill="#ef4444"/><path d="M8 8l8 8M16 8l-8 8" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>';
    const rs = { keyN:0, recvN:0, failSet:new Set(), modal:null, batchT:null, rowMap:new Map(), refs:{}, activeRequests: 0 };

    const extractKeys = text => [...new Set((text||'').trim().toUpperCase().match(/([0-9A-Z]{5}-){2,4}[0-9A-Z]{5}/g)||[])];

    function showRedeem(){if(!rs.modal)createRedeem();rs.modal.classList.add('visible');}

    function redeemDone(){
        const{refs:{act:$$a,inp:$$i,stTotal:$$t,stSuccess:$$s,stFail:$$f}}=rs;
        const fc=rs.failSet.size,sc=rs.recvN-fc;
        if($$t)$$t.textContent=rs.recvN;
        if($$s)$$s.textContent=sc;
        if($$f)$$f.textContent=fc;
        if(rs.recvN>=rs.keyN){
            if($$a)$$a.disabled=false;if($$i)$$i.disabled=false;
            toast(t('redeemDone').replace('{total}',rs.keyN).replace('{success}',sc).replace('{fail}',fc),fc>0?'error':'success',5000);
        }
    }

    const REDEEM_SVG = {
        key: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 2l-2 2m-7.61 7.61a5.5 5.5 0 1 1-7.778 7.778 5.5 5.5 0 0 1 7.777-7.777zm0 0L15.5 7.5m0 0l3 3L22 7l-3-3m-3.5 3.5L19 4"/></svg>',
        total: '<svg viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="4" width="18" height="16" rx="2"/><path d="M16 2v4M8 2v4M3 10h18"/><line x1="8" y1="14" x2="16" y2="14"/><line x1="8" y1="17" x2="13" y2="17"/></svg>',
        ok: '<svg viewBox="0 0 24 24" fill="none"><circle cx="12" cy="12" r="10" fill="#22c55e"/><path d="M7 12l2.5 2.5L17 7" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>',
        fail: '<svg viewBox="0 0 24 24" fill="none"><circle cx="12" cy="12" r="10" fill="#ef4444"/><path d="M8 8l8 8M16 8l-8 8" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>'
    };

    function createRedeem(){
        const modal=document.createElement('div');
        modal.id='slc-redeem-modal';modal.className='slc-modal';
        modal.innerHTML=`<div id="slc-redeem-c" class="slc-mc">
            <button class="slc-mx">&times;</button>
            <div class="slc-mh"><div id="slc-redeem-hi" class="slc-mh-i">${REDEEM_SVG.key}</div><div class="slc-mh-t">${t('redeemTitle')}</div></div>
            <div style="position:relative"><textarea id="slc-rinp" rows="3" placeholder="${t('redeemPlaceholder')}" style="width:100%;height:80px;resize:vertical;padding-right:70px"></textarea><div style="position:absolute;top:6px;right:20px;display:flex;gap:4px"><button id="slc-rpaste" class="rb rb2" style="padding:4px 10px;font-size:12px">${t('pasteBtn')}</button><button id="slc-rclear" class="rb rb2" style="padding:4px 10px;font-size:12px">${t('clearBtn')}</button></div></div>
            <table id="slc-rt" style="display:none"><colgroup><col><col><col><col><col><col></colgroup><thead><tr><th>${t('indexLabel')}</th><th>Key</th><th>${t('resultLabel')}</th><th>${t('detailLabel')}</th><th>Sub</th><th>${t('itemLabel')}</th></tr></thead><tbody id="slc-rtb"></tbody></table>
            <div class="ra"><div id="slc-rstats" style="display:none"><div class="pc"><div class="pc-i blue">${REDEEM_SVG.total}</div><div class="pc-t"><span class="pc-l">${t('totalLabel')}</span><span class="pc-v" id="slc-rs-total">0</span></div></div><div class="pc"><div class="pc-i green">${REDEEM_SVG.ok}</div><div class="pc-t"><span class="pc-l">${t('successLabel')}</span><span class="pc-v" id="slc-rs-success">0</span></div></div><div class="pc"><div class="pc-i red">${REDEEM_SVG.fail}</div><div class="pc-t"><span class="pc-l">${t('failLabel')}</span><span class="pc-v" id="slc-rs-fail">0</span></div></div></div><button id="slc-rch" class="rb rb2" style="display:none">${t('clearHistory')}</button><button id="slc-rcf" class="rb rb2" style="display:none">${t('copyFailed')}</button><button id="slc-rcs" class="rb rb2" style="display:none">${t('copySub')}</button><button id="slc-ra" class="rb rb1">${t('activateBtn')}</button></div>
            <div class="slc-mf">${ICONS.info}<span class="slc-mf-t">${t('dataNote')}</span></div></div>`;
        document.body.appendChild(modal);
        const $=s=>modal.querySelector(s);
        const $inp=$('#slc-rinp'),$tbody=$('#slc-rtb'),$table=$('#slc-rt'),$act=$('#slc-ra');
        const $stTotal=$('#slc-rs-total'),$stSuccess=$('#slc-rs-success'),$stFail=$('#slc-rs-fail');
        rs.refs={inp:$inp,tbody:$tbody,table:$table,act:$act,stTotal:$stTotal,stSuccess:$stSuccess,stFail:$stFail};
        const hideModal=()=>rs.modal.classList.remove('visible');
        modal.addEventListener('click',e=>{if(e.target===modal)hideModal();});
        $('.slc-mx').addEventListener('click',hideModal);
        $('#slc-rpaste').addEventListener('click',e=>{stopEv(e,()=>navigator.clipboard.readText().then(text=>{const keys=extractKeys(text);$inp.value=keys.reduce((s,k,i)=>s+(i%4===0&&i?'\n':'    ')+k,'').trim();toast(keys.length?t('pasteKeyCount').replace('{count}',keys.length):t('pasteNoKey'),keys.length?'success':'error');}).catch(()=>{}));});
        $('#slc-rclear').addEventListener('click',e=>{stopEv(e,()=>{$inp.value='';toast(t('inputCleared'),'info');});});
        $('#slc-rch').addEventListener('click',e=>{stopEv(e,()=>{$tbody.innerHTML='';$table.style.display='none';$act.disabled=false;$inp.disabled=false;rs.failSet.clear();rs.rowMap.clear();$('#slc-redeem-c').style.removeProperty('max-height');const stats=$('#slc-rstats');if(stats)stats.style.display='none';['slc-rch','slc-rcf','slc-rcs'].forEach(id=>{const b=$('#'+id);if(b)b.style.display='none';});toast(t('clearBtn'),'info');});});
        $('#slc-rcf').addEventListener('click',e=>{stopEv(e,()=>{if(rs.failSet.size){GM_setClipboard([...rs.failSet].join(','));toast(`${t('copiedKeys')} (${rs.failSet.size})`,'success');}else{toast(t('noFailedKeys'),'error');}});});
        $('#slc-rcs').addEventListener('click',e=>{stopEv(e,()=>{const lines=[...modal.querySelectorAll('#slc-rtb .rs')].map(row=>{const subId=row.querySelector('.rsub code')?.textContent.trim()||'';const gn=row.querySelector('.rgame')?.textContent.trim()||'';return(subId&&subId!=='——')?`${subId}\t${gn}`:'';}).filter(Boolean);if(lines.length){GM_setClipboard(lines.join('\n'));toast(`${t('copiedKeys')} (${lines.length})`,'success');}else{toast(t('noSubData'),'error');}});});
        $('#slc-ra').addEventListener('click',e=>{stopEv(e,()=>{const keys=extractKeys($inp.value);if(keys.length)doRedeem(keys);else toast(t('noKeyInput'),'error');});});
        rs.modal=modal;
        disposers.push(()=>{clearInterval(rs.batchT);modal?.remove();rs.modal=null;});
    }

    function doRedeem(keys){
        const{inp,tbody,table,act}=rs.refs;
        const $=s=>rs.modal.querySelector(s);
        table.style.display='';act.disabled=true;inp.disabled=true;
        $('#slc-redeem-c').style.maxHeight='650px';
        ['slc-rch','slc-rcf','slc-rcs'].forEach(id=>{const b=$('#'+id);if(b)b.style.display='';});
        const stats=$('#slc-rstats');if(stats)stats.style.display='';
        rs.keyN=keys.length;rs.recvN=0;rs.failSet.clear();rs.rowMap.clear();rs.activeRequests=0;
        keys.forEach((key,i)=>{
            const row=document.createElement('tr');row.dataset.key=key;
            row.innerHTML=`<td>${i+1}</td><td class="rkey"><code>${escHtml(key)}</code></td><td class="rres" data-status="pending" style="color:#facc15">${escHtml(t('redeeming'))}...</td><td class="rdet"></td><td class="rsub"></td><td class="rgame"></td>`;
            tbody.prepend(row);rs.rowMap.set(key,row);
            if(i<CFG.REDEEM_MAX)redeemOne(key);
            else{const cell=row.querySelector('[data-status]');cell.textContent=`${t('waiting')} (${CFG.REDEEM_WAIT}s)...`;cell.dataset.waiting='true';}
        });
        if(keys.length>CFG.REDEEM_MAX)startBatch();
    }

    function redeemOne(key){
        const fail=(detail,rk='networkError')=>updateRow(key,'fail',detail,rk,0,'');
        const sessionID = getSessionID();
        if (!sessionID) { fail('No session ID', 'othersError'); return; }
        rs.activeRequests++;
        GM_xmlhttpRequest({
            url:'https://store.steampowered.com/account/ajaxregisterkey/',
            headers:{'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8',Origin:'https://store.steampowered.com',Referer:'https://store.steampowered.com/account/registerkey'},
            data:`product_key=${encodeURIComponent(key)}&sessionid=${encodeURIComponent(sessionID)}`,method:'POST',responseType:'json',timeout:15000,
            onload(resp){
                rs.activeRequests--;
                if(resp.status!==200||!resp.response){fail(t('networkError'));return;}
                const d=resp.response,it=d.purchase_receipt_info?.line_items?.[0];
                if(d.success===1)updateRow(key,'success',t('successDetail'),'',Number(it?.packageid)||0,it?.line_item_description||'');
                else{const rk=FAIL_MAP[d.purchase_result_details]||'othersError';updateRow(key,'fail',t(rk),rk,Number(it?.packageid)||0,it?.line_item_description||'');}
            },ontimeout:()=>{rs.activeRequests--;fail(t('networkError'));},
            onerror:()=>{rs.activeRequests--;fail(t('networkError'));}
        });
    }

    function updateRow(key,status,detail,rk,subId,subName){
        const ok=status==='success',isFail=status==='fail';
        if(!ok)rs.failSet.add(key);
        rs.recvN++;
        const row=rs.rowMap.get(key);if(!row)return;
        row.className=ok?'rs':(isFail?'rf':'');
        const cells=row.querySelectorAll('td');
        cells[2].innerHTML=ok?SVG_OK+t('success'):(isFail?SVG_FAIL+t('fail'):detail);
        cells[2].removeAttribute('data-status');cells[2].removeAttribute('style');
        cells[3].textContent=detail;
        cells[4].innerHTML=subId?`<a href="https://steamdb.info/sub/${encodeURIComponent(subId)}/" target="_blank"><code>${escHtml(String(subId))}</code></a>`:'\u2014\u2014';
        cells[5].textContent=subName||'\u2014\u2014';
        redeemDone();
    }

    function startBatch(){
        clearInterval(rs.batchT);
        rs.batchT=setInterval(()=>{
            const waiting=rs.modal.querySelectorAll('#slc-rtb tr [data-waiting="true"]');
            if(!waiting.length){
                // 检查是否还有活跃请求
                if (rs.activeRequests === 0) {
                    clearInterval(rs.batchT);
                    rs.batchT = null;
                }
                return;
            }
            for(const cell of waiting){
                if(rs.activeRequests>=CFG.REDEEM_MAX)return;
                cell.textContent=`${t('redeeming')}...`;
                cell.removeAttribute('data-waiting');
                redeemOne(cell.closest('tr').dataset.key);
            }
        },CFG.REDEEM_WAIT*1000);
    }

    // ==================== 日历热力图 ====================
    const CAL_MONTHS = { zh:['1月','2月','3月','4月','5月','6月','7月','8月','9月','10月','11月','12月'], en:['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'] };
    const CAL_WEEKS = { zh:['日','一','二','三','四','五','六'], en:['Su','Mo','Tu','We','Th','Fr','Sa'] };

    function showCalendarHeatmap(){
        const rows=dataRows().filter(r=>{
            const cat=r.dataset.category;
            if(!cat||cat==='other')return false;
            if(state.noFree&&cat==='free')return false;
            return +r.dataset.dateTimestamp>0;
        });
        if(!rows.length){toast(t('calendarNoData'),'error');return;}

        const dateMap=new Map();
        for(const r of rows){
            const ts=+r.dataset.dateTimestamp;
            const d=new Date(ts);
            const key=fmtD(d);
            dateMap.set(key,(dateMap.get(key)||0)+1);
        }

        const dates=[...dateMap.entries()].sort((a,b)=>a[0].localeCompare(b[0]));
        const years=[...new Set(dates.map(([d])=>d.slice(0,4)))].sort((a,b)=>b.localeCompare(a));
        const maxCount=Math.max(...dateMap.values());

        const getColor=v=>{
            if(v===0)return'#2a475e';
            const p=v/maxCount;
            if(p<0.25)return'#0e4429';
            if(p<0.5)return'#006d32';
            if(p<0.75)return'#26a641';
            return'#39d353';
        };

        const isZh = locale.startsWith('zh');
        const monthLabels = isZh ? CAL_MONTHS.zh : CAL_MONTHS.en;
        const weekDayLabels = isZh ? CAL_WEEKS.zh : CAL_WEEKS.en;

        const buildYear=y=>{
            const startDate=new Date(`${y}-01-01`);
            const endDate=new Date(`${y}-12-31`);
            const startDay=startDate.getDay();
            const totalDays=Math.round((endDate-startDate)/CFG.DAY_MS)+1;

            let html=`<div class="slc-cal-year"><div class="slc-cal-year-label">${y}</div><div class="slc-cal-grid">`;
            html+=`<div class="slc-cal-months">${monthLabels.map(m=>`<span>${m}</span>`).join('')}</div>`;
            html+=`<div class="slc-cal-days">`;
            html+=`<div class="slc-cal-weekdays">${weekDayLabels.map(d=>`<span>${d}</span>`).join('')}</div>`;
            html+=`<div class="slc-cal-cells">`;
            for(let i=0;i<startDay;i++)html+=`<div class="slc-cal-cell slc-cal-empty"></div>`;
            for(let i=0;i<totalDays;i++){
                const cd=new Date(startDate);cd.setDate(cd.getDate()+i);
                const key=fmtD(cd);
                const count=dateMap.get(key)||0;
                html+=`<div class="slc-cal-cell" style="background:${getColor(count)}" title="${key}: ${count}${t('countUnit')}"></div>`;
            }
            html+=`</div></div></div></div>`;
            return html;
        };

        if (!ui.calRefs) ui.calRefs = createChartModal('cal', t('calendarTitle'), '#10b981');
        const { modal, bodyEl } = ui.calRefs;

        // hash 缓存：数据未变时跳过重建
        const hash = rows.length + '_' + (rows[0]?.dataset.dateTimestamp || '');
        if (hash === modal.dataset.hash) { modal.classList.add('visible'); return; }
        modal.dataset.hash = hash;

        bodyEl.innerHTML = `<div class="slc-cal-container">${years.map(buildYear).join('')}</div>`;
        // 图例放在 bodyEl 外面，不跟随滚动
        const legendCls = 'slc-cal-legend';
        let legend = bodyEl.nextElementSibling;
        if (!legend || !legend.classList.contains(legendCls)) {
            bodyEl.insertAdjacentHTML('afterend', `<div class="${legendCls}"><span class="slc-cal-legend-label">${t('calendarLess')}</span><div class="slc-cal-legend-cells"><div style="background:#2a475e"></div><div style="background:#0e4429"></div><div style="background:#006d32"></div><div style="background:#26a641"></div><div style="background:#39d353"></div></div><span class="slc-cal-legend-label">${t('calendarMore')}</span></div>`);
        }
        modal.classList.add('visible');
    }

    // ==================== 导出 ====================
    const _RE_REMOVE = /\s*(移除|Remove|删除|Delete|卸载|Uninstall)\s*/gi;
    const _CAT_LABEL_MAP = new Map(CATS.map(c => [c.id, c.label]));
    function getExportData(){
        const re=_RE_REMOVE;
        return dataRows().filter(r=>r.dataset.category&&r.dataset.category!=='other'&&!(state.noFree&&r.dataset.category==='free')).map(r=>({
            date:r.querySelector('td.license_date_col')?.textContent.trim()||'',
            name:(r.dataset.gameName||'').replace(re,'').trim(),
            category:_CAT_LABEL_MAP.get(r.dataset.category)||r.dataset.category,
            details:r.querySelector('td.license_acquisition_col')?.textContent.trim()||''
        }));
    }

    function dlBlob(blob,name){
        const url=URL.createObjectURL(blob),a=h('a',{href:url,download:name,style:{display:'none'}});
        document.body.appendChild(a);a.click();
        setTimeout(()=>{a.remove();URL.revokeObjectURL(url);},CFG.BLOB_CLEANUP);
    }

    function exportData(fmt){
        try{
            const data=getExportData();
            if(!data.length){toast(t('exportNoData'),'error');return;}
            const now=new Date(),ts=fmtD(now)+'_'+[now.getHours(),now.getMinutes(),now.getSeconds()].map(v=>String(v).padStart(2,'0')).join('');
            if(fmt==='csv'){
                const hdr=[t('csvDate'),t('csvName'),t('csvCategory'),t('csvDetails')];
                const esc=s=>`"${String(s).replace(/"/g,'""')}"`;
                const csv=[hdr.join(','),...data.map(r=>[r.date,r.name,r.category,r.details].map(esc).join(','))].join('\n');
                dlBlob(new Blob(['\uFEFF'+csv],{type:'text/csv;charset=utf-8;'}),`steam-licenses-${ts}.csv`);
            }else{
                dlBlob(new Blob([JSON.stringify(data,null,2)],{type:'application/json;charset=utf-8;'}),`steam-licenses-${ts}.json`);
            }
            toast(t('exportSuccess'),'success');
        }catch(err){console.error(`Export ${fmt} failed:`,err);toast(t('exportFailed')+': '+err.message,'error');}
    }

    // ==================== Main UI ====================
    function addFilterBtns(){
        const table=document.querySelector(SEL.tbl);
        if(!table||document.querySelector(SEL.fc))return;
        const ctn=h('div',{id:'steam-license-filter'});

        // ===== 统计卡片区 =====
        const statsRow=h('div',{class:'stats-row'});
        const allCats=[{id:'all',color:ALL_TYPE.color,label:ALL_TYPE.label,icon:ALL_TYPE.icon},...CATS.map(c=>({id:c.id,color:c.color,label:c.label,icon:c.icon}))];
        const statCards=new Map();
        const statBars=new Map();
        for(const c of allCats){
            const card=h('div',{class:'stat-card'+(c.id==='all'?' active':''),'data-filter':c.id,style:{'--card-color':c.color}});
            const num=h('div',{class:'stat-number',text:'0'});
            const lbl=h('div',{class:'stat-label',html:c.icon+' '+c.label});
            const bar=h('div',{class:'stat-bar'});
            const barFill=h('div',{class:'stat-bar-fill',style:{width:'0%',background:c.color}});
            bar.appendChild(barFill);
            card.append(lbl,num,bar);
            statsRow.appendChild(card);
            statCards.set(c.id,num);
            statBars.set(c.id,barFill);
            if(c.id==='all') ui.statTotal=num;
            else ui.statCounts.set(c.id,num);

            // 免费卡片右侧：排除免费开关 + 功能按钮
            if(c.id==='free'){
                // 排除免费开关（独立容器）
                const nfWrap=h('div',{class:'stat-tools',style:{gap:'6px',padding:'0 12px'}});
                const nfLabel=h('label',{id:'slc-no-free',html:`<input type="checkbox" id="slc-nf"${state.noFree?' checked':''}><span class="tg-track"></span>${t('withoutFree')}`});
                nfWrap.appendChild(nfLabel);
                statsRow.appendChild(nfWrap);
                // 功能按钮 - 两排布局
                const tools=h('div',{class:'stat-tools',style:{flexDirection:'column',alignItems:'flex-start',gap:'4px'}});
                const toolRow1=h('div',{style:{display:'flex',alignItems:'center',gap:'4px'}});
                const toolRow2=h('div',{style:{display:'flex',alignItems:'center',gap:'4px'}});
                const toolBtns=[
                    {id:'slc-donut-btn',title:`${t('donutTitle')} (D)`,icon:ICONS.donut},
                    {id:'slc-year-btn',title:`${t('yearTitle')} (Y)`,icon:ICONS.year},
                    {id:'slc-pred-btn',title:`${t('predictTitle')} (F)`,icon:ICONS.predict},
                    {id:'slc-trend-btn',title:`${t('trendTitle')} (T)`,icon:ICONS.trend},
                    {id:'slc-cal-btn',title:`${t('calendarTitle')} (C)`,icon:ICONS.calendarHeatmap},
                ];
                const svg16 = s => s.replace('<svg ', '<svg width="16" height="16" ');
                for(const tb of toolBtns){
                    const btn=h('button',{class:'tool-btn',id:tb.id,title:tb.title,html:svg16(tb.icon)});
                    toolRow1.appendChild(btn);
                }
                // 绝版游戏检查按钮
                const delistedBtn=h('button',{class:'tool-btn',id:'slc-delisted-btn',title:`${t('delistedTitle')} (G)`,html:svg16(ICONS.shield)});
                toolRow2.appendChild(delistedBtn);
                // 相似游戏按钮
                const similarBtn=h('button',{class:'tool-btn',id:'slc-similar-btn',title:`${t('similarTitle')} (S)`,html:svg16(ICONS.similar)});
                toolRow2.appendChild(similarBtn);
                // 激活按钮
                const redeemBtn=h('button',{class:'tool-btn',id:'slc-redeem-btn',title:`${t('redeemBtn')} (R)`,html:svg16(ICONS.key)});
                toolRow2.appendChild(redeemBtn);
                // 导出下拉
                const expDd=h('div',{class:'slc-edd',id:'slc-edd'});
                const expBtn=h('button',{class:'tool-btn',id:'slc-ebtn',title:'Export',html:svg16(ICONS.export)});
                const expMenu=h('div',{class:'em'});
                expMenu.appendChild(h('button',{id:'slc-ecsv',text:t('exportCSV')}));
                expMenu.appendChild(h('button',{id:'slc-ejson',text:t('exportJSON')}));
                expDd.append(expBtn,expMenu);
                toolRow2.appendChild(expDd);
                // 清除缓存按钮
                const cacheClrBtn=h('button',{class:'tool-btn',id:'slc-cache-clr',title:t('clearCache'),html:svg16('<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 6h18"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6"/><path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/><line x1="10" y1="11" x2="10" y2="17"/><line x1="14" y1="11" x2="14" y2="17"/></svg>')});
                cacheClrBtn.addEventListener('click',async()=>{
                    if(!await showConfirm(t('clearCacheConfirm')))return;
                    try{
                        localStorage.removeItem('slc_license_cache');
                        localStorage.removeItem('slc_license_cache_ts');
                        localStorage.removeItem('slc_license_total');
                        localStorage.removeItem('slc_license_cache_ver');
                        await clearRowDB();
                    }catch(e){console.warn('[SLC] clear cache failed:',e);}
                    location.reload();
                });
                toolRow2.appendChild(cacheClrBtn);

                tools.append(toolRow1, toolRow2);

                statsRow.appendChild(tools);
            }
        }
        ui.statBars=statBars;
        ui.statCards=statCards;
        ctn.appendChild(statsRow);

        // 绑定排除免费和功能按钮事件
        const nfCb=ctn.querySelector('#slc-nf');
        if(nfCb)nfCb.addEventListener('change',e=>{
            state.noFree=e.target.checked;state.page=1;e.target.blur();
            // 切换免费卡片禁用状态
            const freeCard=statCards.get('free')?.closest('.stat-card');
            if(freeCard){
                freeCard.classList.toggle('disabled',state.noFree);
                if(state.noFree&&state.filter==='free'){state.filter='all';applyFilter('all');}
            }
            applyPage();
        });
        const expDdEl=ctn.querySelector('#slc-edd');
        const toolActs={'slc-donut-btn':showDonut,'slc-year-btn':showYear,'slc-pred-btn':showPredict,'slc-trend-btn':showTrend,'slc-similar-btn':showSimilar,'slc-cal-btn':showCalendarHeatmap,'slc-redeem-btn':showRedeem,'slc-delisted-btn':showDelisted,'slc-ecsv':()=>{expDdEl.classList.remove('open');exportData('csv');},'slc-ejson':()=>{expDdEl.classList.remove('open');exportData('json');}};
        for(const[id,fn]of Object.entries(toolActs)){const el=ctn.querySelector(`#${id}`);if(el)el.addEventListener('click',e=>stopEv(e,fn));}
        const ebtnEl=ctn.querySelector('#slc-ebtn');
        if(ebtnEl)ebtnEl.addEventListener('click',e=>stopEv(e,()=>expDdEl.classList.toggle('open')));
        const closeExpDd=()=>expDdEl?.classList.remove('open');
        document.addEventListener('click',closeExpDd);
        disposers.push(()=>document.removeEventListener('click',closeExpDd));

        // ===== 工具栏 =====
        const toolbar=h('div',{class:'toolbar'});

        // 搜索框
        ui.searchInput=h('input',{type:'text',class:'search-box',placeholder:t('searchPlaceholder')});
        ui.searchInput.addEventListener('input',e=>{state.search=e.target.value.trim().toLowerCase();clearTimeout(state.timers.search);state.timers.search=setTimeout(()=>{state.page=1;applyPage();},dataRows().length>1000?300:CFG.DEBOUNCE);});
        ui.searchInput.addEventListener('keydown',e=>{if(e.key==='Escape'){ui.searchInput.value='';state.search='';applyPage();}});
        ui.searchInput.addEventListener('click',e=>e.stopPropagation());
        toolbar.appendChild(ui.searchInput);

        // 日期与排序控件
        const advGroup=h('div',{class:'adv-group'});
        const dfInput=h('input',{type:'date',class:'adv-date',id:'slc-df',value:state.dateFrom,title:t('dateFrom')});
        const dtInput=h('input',{type:'date',class:'adv-date',id:'slc-dt',value:state.dateTo,title:t('dateTo')});
        const sortSelect=h('select',{class:'adv-sort',id:'slc-sort',title:t('sortBy'),html:`<option value="date-desc" ${state.sortBy==='date-desc'?'selected':''}>${t('dateLabel')} ↓</option><option value="date-asc" ${state.sortBy==='date-asc'?'selected':''}>${t('dateLabel')} ↑</option><option value="name-asc" ${state.sortBy==='name-asc'?'selected':''}>${t('nameAsc')}</option><option value="name-desc" ${state.sortBy==='name-desc'?'selected':''}>${t('nameDesc')}</option>`});
        const clrBtn=h('button',{class:'adv-clr',id:'slc-clr',title:t('clearFilter'),html:'<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 12a9 9 0 1 0 9-9 9.75 9.75 0 0 0-6.74 2.74L3 8"/><path d="M3 3v5h5"/></svg>'});
        advGroup.append(h('span',{class:'adv-lbl',text:t('dateFrom')}),dfInput,h('span',{class:'adv-lbl',text:t('dateTo')}),dtInput,sortSelect,clrBtn);
        toolbar.appendChild(advGroup);

        const onDC=k=>e=>{state[k]=e.target.value;state.page=1;applyPage();};
        dfInput.addEventListener('change',onDC('dateFrom'));
        dtInput.addEventListener('change',onDC('dateTo'));
        sortSelect.addEventListener('change',e=>{state.sortBy=e.target.value;applyPage();});
        clrBtn.addEventListener('click',()=>{
            Object.assign(state,{dateFrom:'',dateTo:'',sortBy:'date-desc',search:'',page:1,noFree:false});
            dfInput.value='';dtInput.value='';sortSelect.value='date-desc';
            const nfCb=document.querySelector('#slc-nf');if(nfCb)nfCb.checked=false;
            const freeCard=statCards.get('free')?.closest('.stat-card');if(freeCard)freeCard.classList.remove('disabled');
            if(ui.searchInput)ui.searchInput.value='';applyPage();toast(t('filterCleared'),'info');
        });

        // 分页控件
        const pg=h('div',{class:'pager'});
        const{prev,info,next,show}=createPager();
        pg.append(prev,info,next,show);
        toolbar.appendChild(pg);

        ctn.appendChild(toolbar);

        // 事件委托
        ctn.addEventListener('click',e=>{
            // 统计卡片点击筛选
            const sc=e.target.closest('.stat-card[data-filter]');
            if(sc){
                if(sc.classList.contains('disabled')){toast(t('freeDisabled'),'warning');return;}
                const fid=sc.dataset.filter;
                ui.btns.forEach(b=>b.classList.remove('active'));
                const fb=ui.btns.get(fid);
                if(fb)fb.classList.add('active');
                statCards.forEach((_,id)=>{const card=statCards.get(id)?.closest('.stat-card');if(card)card.classList.toggle('active',id===fid);});
                applyFilter(fid);return;
            }
            const ab=e.target.closest('button[data-action]');
            if(!ab||ab.disabled)return;
            const act=ab.dataset.action;
            if(act==='prev'){state.page=Math.max(1,state.page-1);applyPage();}
            else if(act==='next'){state.page=Math.min(state.totalPages,state.page+1);applyPage();}
            else if(act==='showAll'){state.showAll=!state.showAll;if(state.showAll)state.page=1;applyPage();}
        });

        table.parentNode.insertBefore(ctn,table);

        // 隐藏原h2中的搜索框（如有）
        const hdr=document.querySelector(SEL.hdr);
        if(hdr){
            const oldSearch=hdr.querySelector('.search-box');
            if(oldSearch)oldSearch.style.display='none';
        }

        // 监听尺寸变化以调整吸顶偏移
        const updH=()=>document.documentElement.style.setProperty('--filter-h',ctn.offsetHeight+'px');
        updH();ui.resizeObs=new ResizeObserver(updH);ui.resizeObs.observe(ctn);

        disposers.push(()=>{ctn.remove();document.documentElement.style.removeProperty('--filter-h');if(ui.searchInput?.parentNode)ui.searchInput.remove();ui.resizeObs?.disconnect();ui.resizeObs=null;});
        invalidateDataRows();
        requestAnimationFrame(() => {
            state.isProcessing = true;
            try { markRows(); recalc(); lockWidths(); applyPage(); } finally { state.isProcessing = false; }
            startObs();
        });
    }

    // ==================== 本地缓存存储 ====================
    const CACHE_KEY = 'slc_license_cache';       // 存储指纹数组 JSON
    const CACHE_TS_KEY = 'slc_license_cache_ts';  // 存储时间戳
    const CACHE_TOTAL_KEY = 'slc_license_total';   // 缓存时的总记录数
    const CACHE_VER_KEY = 'slc_license_cache_ver'; // 缓存版本号
    const CACHE_VERSION = 2; // 缓存数据结构版本，升级时递增以自动失效旧缓存

    function loadLicenseCache() {
        try {
            const fingerprints = JSON.parse(localStorage.getItem(CACHE_KEY) || '[]');
            const ts = parseInt(localStorage.getItem(CACHE_TS_KEY) || '0');
            const total = parseInt(localStorage.getItem(CACHE_TOTAL_KEY) || '0');
            const ver = parseInt(localStorage.getItem(CACHE_VER_KEY) || '0');
            // 缓存过期、格式非法、或版本不匹配时，视为无缓存
            if (Date.now() - ts > CFG.CACHE_TTL || !Array.isArray(fingerprints) || ver !== CACHE_VERSION) {
                if (ver && ver !== CACHE_VERSION) console.warn(`[SLC] cache version mismatch (${ver} != ${CACHE_VERSION}), ignoring stale cache`);
                return { fps: new Set(), total: 0, ts: 0 };
            }
            return { fps: new Set(fingerprints), total, ts };
        } catch (e) { return { fps: new Set(), total: 0, ts: 0 }; }
    }

    function saveLicenseCache(fpList, totalCount) {
        try {
            localStorage.setItem(CACHE_KEY, JSON.stringify(fpList));
            localStorage.setItem(CACHE_TS_KEY, String(Date.now()));
            localStorage.setItem(CACHE_TOTAL_KEY, String(totalCount));
            localStorage.setItem(CACHE_VER_KEY, String(CACHE_VERSION));
            console.log(`[SLC] saved ${fpList.length} fingerprints (${(JSON.stringify(fpList).length / 1024).toFixed(0)}KB) to cache`);
        } catch (e) { console.warn('[SLC] save cache failed:', e); }
    }

    function extractRowFingerprint(row) {
        // 从行中提取唯一指纹：日期+名称+类型+包ID
        const cells = row.querySelectorAll('td');
        if (cells.length < 3) return null;
        const date = cells[0]?.textContent?.trim() || '';
        const product = cells[1]?.textContent?.trim() || '';
        const type = cells[2]?.textContent?.trim() || '';
        return `${date}||${product}||${type}`;
    }

    // ==================== IndexedDB 缓存（存 HTML 行，容量大） ====================
    const DB_NAME = 'slc_cache_v1';
    const DB_STORE = 'rows';
    let _db = null;

    async function openRowDB() {
        if (_db) return _db;
        return new Promise((resolve, reject) => {
            const req = indexedDB.open(DB_NAME, 1);
            req.onerror = () => reject(req.error);
            req.onsuccess = () => { _db = req.result; resolve(_db); };
            req.onupgradeneeded = (e) => {
                const db = e.target.result;
                if (!db.objectStoreNames.contains(DB_STORE)) {
                    db.createObjectStore(DB_STORE, { keyPath: 'fp' });
                }
            };
        });
    }

    async function saveRowsToDB(rows) {
        try {
            const db = await openRowDB();
            const tx = db.transaction(DB_STORE, 'readwrite');
            const store = tx.objectStore(DB_STORE);
            for (const row of rows) {
                if (row.fp) store.put({ fp: row.fp, html: row.html });
            }
            await new Promise((resolve, reject) => {
                tx.oncomplete = resolve;
                tx.onerror = () => reject(tx.error);
            });
            console.log(`[SLC] saved ${rows.length} rows to IndexedDB`);
        } catch (e) {
            console.warn('[SLC] IndexedDB save failed:', e);
        }
    }

    async function loadRowsFromDB() {
        try {
            const db = await openRowDB();
            const tx = db.transaction(DB_STORE, 'readonly');
            const store = tx.objectStore(DB_STORE);
            return new Promise((resolve, reject) => {
                const req = store.getAll();
                req.onsuccess = () => {
                    const arr = req.result || [];
                    // 返回 Map，方便按指定顺序查找
                    resolve(new Map(arr.map(r => [r.fp, r.html])));
                };
                req.onerror = () => reject(req.error);
            });
        } catch (e) {
            console.warn('[SLC] IndexedDB load failed:', e);
            return new Map();
        }
    }

    async function clearRowDB() {
        try {
            const db = await openRowDB();
            const tx = db.transaction(DB_STORE, 'readwrite');
            const store = tx.objectStore(DB_STORE);
            store.clear();
            await new Promise((resolve, reject) => {
                tx.oncomplete = resolve;
                tx.onerror = () => reject(tx.error);
            });
        } catch (e) {
            console.warn('[SLC] IndexedDB clear failed:', e);
        }
    }

    function createLoadBar() {
        const hdr = document.querySelector(SEL.hdr);
        if (!hdr) return;
        // 进度条
        const bar = document.createElement('div');
        bar.className = 'slc-load-bar';
        bar.id = 'slc-load-bar';
        bar.innerHTML = '<div class="slc-load-bar-fill" id="slc-load-bar-fill"></div>';
        hdr.after(bar);
        // 标题文字后方状态提示
        const status = h('span', { class:'slc-load-status', id:'slc-load-status', text:t('loadStatusInit') });
        const titleSpan = hdr.querySelector('.page-title-text');
        if (titleSpan) titleSpan.appendChild(status);
        else hdr.appendChild(status);
    }

    function updateLoadBar(percent, text) {
        const fill = document.getElementById('slc-load-bar-fill');
        if (fill) fill.style.width = Math.min(100, percent) + '%';
        const status = document.getElementById('slc-load-status');
        if (status && text != null) status.textContent = text;
    }

    function removeLoadBar() {
        const bar = document.getElementById('slc-load-bar');
        if (bar) {
            bar.classList.add('hidden');
            setTimeout(() => bar.remove(), 300);
        }
        const status = document.getElementById('slc-load-status');
        if (status) status.remove();
    }

    // ==================== 自动加载全部入库记录 ====================
    async function autoLoadAllPages() {
        const nextLink = document.querySelector('a.license_paginator_next');
        if (!nextLink) {
            const oldLoadMore = document.querySelector('#load_more_buttons, .load_more_buttons');
            if (oldLoadMore) { await autoLoadOldStyle(); }
            return;
        }

        const url = new URL(location.href);
        if (url.searchParams.has('continuationToken') || url.searchParams.has('offset')) {
            toast(t('autoLoadingRedirect'), 'info', 3000);
            url.searchParams.delete('continuationToken');
            url.searchParams.delete('offset');
            location.replace(url.toString());
            return;
        }

        const tb = getTb();
        if (!tb) return;

        const paginatorCtn = document.querySelector('.license_paginator_ctn');
        let totalCount = 0;
        if (paginatorCtn) {
            const spanText = paginatorCtn.querySelector('span')?.textContent || '';
            const m = spanText.match(/共\s*(\d+)\s*个/);
            if (m) totalCount = parseInt(m[1]);
        }

        const hasSteamDBCol = !!document.querySelector('th.steamdb_license_id_col');

        // 加载本地缓存（只存指纹，不存HTML，避免超限）
        const cache = loadLicenseCache();
        const hasCache = cache.fps.size > 0;
        console.log(`[SLC] cache: ${cache.fps.size} fingerprints, total: ${cache.total}, hasCache: ${hasCache}`);

        // 显示加载进度条（header 下方）
        createLoadBar();
        state.isLoading = true; // 加载期间抑制MutationObserver的applyPage，改用轻量统计刷新

        // 有缓存时：从 IndexedDB 恢复HTML到DOM，再增量抓取检查新增
        const allFingerprints = new Set(); // 本次加载收集的所有指纹（用于快速查重）
        const fpOrderList = []; // 有序指纹数组（新在前、旧在后，用于保存和恢复）
        const dbNewRows = []; // 新增行，保存到 IndexedDB

        if (hasCache) {
            // 1. 从 IndexedDB 恢复全部缓存行到DOM（按指纹原始顺序）
            updateLoadBar(5, t('loadStatusCache'));
            const cachedMap = await loadRowsFromDB();
            // CACHE_KEY 中的指纹数组保持了页面加载顺序（新在前、旧在后）
            const fpOrder = JSON.parse(localStorage.getItem(CACHE_KEY) || '[]');
            // 先收集有效的指纹和HTML，再批量解析+一次性插入DOM，避免逐行append触发N次重排
            const validFps = [];
            const htmlParts = [];
            for (const fp of fpOrder) {
                const html = cachedMap.get(fp);
                if (!html) continue;
                htmlParts.push(html);
                validFps.push(fp);
            }
            let restored = 0;
            let firstCachedRow = null;
            if (htmlParts.length > 0) {
                // 一次性解析全部行HTML，比逐行 innerHTML 快数倍
                const tmp = document.createElement('tbody');
                tmp.innerHTML = htmlParts.join('');
                const rowsArr = Array.from(tmp.children);
                const frag = document.createDocumentFragment();
                for (let i = 0; i < validFps.length && i < rowsArr.length; i++) {
                    const row = rowsArr[i];
                    if (!row) continue;
                    frag.appendChild(row);
                    restored++;
                    allFingerprints.add(validFps[i]);
                    fpOrderList.push(validFps[i]);
                    if (!firstCachedRow) firstCachedRow = row;
                }
                tb.appendChild(frag); // 单次插入，仅触发一次重排
            }
            console.log(`[SLC] restored ${restored} rows from IndexedDB`);
            refreshLoadingStats(); // 缓存恢复后立即更新统计数字

            // 2. 从第一页开始抓取，对比指纹检查新增
            let nextUrl2 = nextLink.href;
            let pageCount2 = 0;
            let fetched2 = 0;
            let newCount = 0;
            let consecutiveHits = 0;
            let staleCachePages = 0; // 连续"整页全为新行"的页数，用于检测缓存失效
            let cacheStale = false; // 缓存是否被判定为失效

            while (nextUrl2 && pageCount2 < CFG.INCREMENTAL_MAX_PAGES) {
                try {
                    const res = await fetch(nextUrl2);
                    if (!res.ok) break;
                    const html = await res.text();
                    const doc = new DOMParser().parseFromString(html, 'text/html');
                    const fetchedTb = doc.querySelector('table.account_table tbody');
                    if (!fetchedTb) break;
                    const rows = Array.from(fetchedTb.rows).filter(r => !isHdr(r));
                    let pageNewCount = 0;
                    for (const row of rows) {
                        if (hasSteamDBCol && !row.querySelector('td.steamdb_license_id_col')) {
                            const methodCell = row.querySelector('td.license_acquisition_col');
                            if (methodCell) {
                                const steamdbCell = document.createElement('td');
                                steamdbCell.className = 'steamdb_license_id_col';
                                row.insertBefore(steamdbCell, methodCell);
                            }
                        }
                        const fp = extractRowFingerprint(row);
                        if (fp) allFingerprints.add(fp);
                        if (fp && !cache.fps.has(fp)) {
                            // 新增行：插入到缓存行之前（新许可在前，旧许可在后）
                            tb.insertBefore(row, firstCachedRow);
                            dbNewRows.push({ fp, html: row.outerHTML });
                            fpOrderList.unshift(fp); // 新许可插入到有序数组最前面
                            newCount++;
                            pageNewCount++;
                            consecutiveHits = 0;
                        } else {
                            consecutiveHits++;
                        }
                    }
                    fetched2 += rows.length;
                    pageCount2++;
                    // 连续一整页全部命中缓存且无新增，说明已到缓存末尾
                    if (pageNewCount === 0 && rows.length > 0 && consecutiveHits >= rows.length) {
                        console.log(`[SLC] incremental: page ${pageCount2} all cache hits, stopping`);
                        break;
                    }
                    // 兜底：连续多页全部为新行，说明缓存已失效（指纹全不匹配），提前终止避免卡死
                    if (rows.length > 0 && pageNewCount === rows.length) {
                        staleCachePages++;
                        if (staleCachePages >= CFG.STALE_CACHE_THRESHOLD) {
                            console.warn(`[SLC] incremental: ${staleCachePages} consecutive all-new pages, cache likely stale, stopping`);
                            cacheStale = true;
                            break;
                        }
                    } else {
                        staleCachePages = 0;
                    }
                    const pct = totalCount ? Math.min((restored + fetched2) / totalCount * 100, 100) : Math.min(pageCount2 * 5, 95);
                    updateLoadBar(pct, t('loadStatusCheck').replace('{count}', fetched2) + ` [${pageCount2}]`);
                    refreshLoadingStats(); // 每页加载后实时更新统计数字
                    const fetchedNext = doc.querySelector('a.license_paginator_next');
                    nextUrl2 = fetchedNext?.href || null;
                    await new Promise(r => setTimeout(r, CFG.PAGE_DELAY));
                } catch (err) {
                    console.warn('[SLC] incremental load error:', err);
                    break;
                }
            }
            // 保存新增的指纹和HTML
            if (cacheStale) {
                // 缓存已失效，清除旧缓存，下次加载将走全量路径
                console.warn('[SLC] cache stale, clearing old cache');
                try {
                    localStorage.removeItem(CACHE_KEY);
                    localStorage.removeItem(CACHE_TS_KEY);
                    localStorage.removeItem(CACHE_TOTAL_KEY);
                    localStorage.removeItem(CACHE_VER_KEY);
                    await clearRowDB();
                } catch(e) { console.warn('[SLC] clear stale cache failed:', e); }
                toast(t('loadStatusDone') + ' (cache cleared)', 'info', 3000);
            } else {
                if (dbNewRows.length > 0) {
                    await saveRowsToDB(dbNewRows);
                }
                if (allFingerprints.size > 0) {
                    saveLicenseCache(fpOrderList, restored + fetched2);
                }
            }
            updateLoadBar(100, t('loadStatusDone'));
        }

        if (!hasCache) {
            // 无缓存，正常加载全部分页，同时保存HTML到IndexedDB
            let loaded = dataRows().length;
            let nextUrl = nextLink.href;
            let pageCount = 0;
            const maxPages = CFG.MAX_PAGES;
            const dbRows = []; // 收集所有行用于IndexedDB缓存
            const totalPges = totalCount ? Math.ceil(totalCount / 100) : 0; // 根据许可总数估算总页数

            while (nextUrl && pageCount < maxPages) {
                try {
                    const res = await fetch(nextUrl);
                    if (!res.ok) { console.warn(`[SLC] fetch ${nextUrl} => ${res.status}`); break; }
                    const html = await res.text();
                    const doc = new DOMParser().parseFromString(html, 'text/html');
                    const fetchedTb = doc.querySelector('table.account_table tbody');
                    if (!fetchedTb) break;
                    const rows = Array.from(fetchedTb.rows).filter(r => !isHdr(r));
                    const frag = document.createDocumentFragment(); // 批量插入，减少重排
                    for (const row of rows) {
                        if (hasSteamDBCol && !row.querySelector('td.steamdb_license_id_col')) {
                            const methodCell = row.querySelector('td.license_acquisition_col');
                            if (methodCell) {
                                const steamdbCell = document.createElement('td');
                                steamdbCell.className = 'steamdb_license_id_col';
                                row.insertBefore(steamdbCell, methodCell);
                            }
                        }
                        frag.appendChild(row);
                        const fp = extractRowFingerprint(row);
                        if (fp) {
                            allFingerprints.add(fp);
                            fpOrderList.push(fp); // 页面顺序即新→旧
                            dbRows.push({ fp, html: row.outerHTML });
                        }
                    }
                    tb.appendChild(frag); // 单次插入，仅触发一次重排
                    loaded += rows.length;
                    pageCount++;
                    const pct = totalPges ? Math.min(pageCount / totalPges * 100, 100) : Math.min(pageCount * 5, 95);
                    updateLoadBar(pct, t('loadStatusFetch').replace('{loaded}', loaded).replace('{total}', totalCount || loaded).replace('{page}', pageCount));
                    refreshLoadingStats(); // 每页加载后实时更新统计数字
                    const fetchedNext = doc.querySelector('a.license_paginator_next');
                    nextUrl = fetchedNext?.href || null;
                    await new Promise(r => setTimeout(r, CFG.PAGE_DELAY));
                } catch (err) {
                    console.error('[SLC] autoLoadAllPages error:', err);
                    toast(t('autoLoadingError').replace('{msg}', err.message), 'error', 5000);
                    break;
                }
            }
            // 保存指纹到localStorage，HTML到IndexedDB
            if (allFingerprints.size > 0) {
                saveLicenseCache(fpOrderList, loaded);
            }
            if (dbRows.length > 0) {
                await saveRowsToDB(dbRows);
            }
        }

        state.isLoading = false; // 加载完成，恢复MutationObserver的正常响应

        const paginator = document.querySelector('.license_paginator_ctn');
        if (paginator) paginator.style.display = 'none';

        // 隐藏进度条
        setTimeout(() => {
            updateLoadBar(100, t('loadStatusDone'));
            setTimeout(() => removeLoadBar(), 300);
        }, 300);

        const finalCount = dataRows().length;
        toast(t('autoLoadingDone').replace('{count}', finalCount), 'success', 3000);
        console.log(`[SLC] autoLoadAllPages: loaded ${finalCount} licenses (cache fps: ${cache.fps.size}).`);
    }

    // 旧版页面自动加载（load_more_buttons 机制）
    async function autoLoadOldStyle() {
        const tb = getTb();
        if (!tb) return;
        let lastCount = 0;
        let stableCount = 0;
        const progressToast = toast(t('autoLoadingLicenses'), 'info', 999999);
        while (stableCount < 3) {
            const currentCount = tb.rows.length;
            if (currentCount === lastCount) { stableCount++; }
            else { stableCount = 0; }
            lastCount = currentCount;

            const btn = document.querySelector('#load_more_buttons') ||
                document.querySelector('.load_more_buttons') ||
                [...document.querySelectorAll('a, button')].find(el => /load\s*more|加载更多|顯示更多|显示更多/i.test(el.textContent));
            if (btn) {
                btn.click();
                if (progressToast?.el) progressToast.el.textContent = `${t('autoLoadingLicenses')} (${currentCount})`;
                await new Promise(r => setTimeout(r, 500));
            } else {
                window.scrollTo(0, document.body.scrollHeight);
                await new Promise(r => setTimeout(r, 300));
                const newBtn = document.querySelector('#load_more_buttons') || document.querySelector('.load_more_buttons');
                if (!newBtn) break;
            }
        }
        if (progressToast?.hide) progressToast.hide();
        const finalCount = dataRows().length;
        toast(t('autoLoadingDone').replace('{count}', finalCount), 'success', 3000);
        console.log(`[SLC] autoLoadOldStyle: loaded ${finalCount} licenses.`);
    }

    // ==================== 初始化 ====================
    // 防重入标记
    let _initialized = false;
    async function init(){
        if (_initialized) return;
        _initialized = true;
        locale=detectLang();
        console.log(`Steam License Classifier v${VER} | lang: ${locale}`);
        injectCSS('steam-license-styles', CSS_CRITICAL);
        updateTitle();addBreadcrumb();
        setTimeout(() => injectCSS('steam-license-styles-deferred', CSS_DEFERRED), 0);
        try{
            await waitEl(`${SEL.tb} tr td`);
            // 先显示主面板（含筛选按钮、搜索框等），用户立即可见
            addFilterBtns();
            // 再异步加载剩余页面，加载期间统计数字实时更新
            await autoLoadAllPages();
            // 加载完成后做最终分页渲染
            invalidateDataRows();
            state.isProcessing = true;
            try { markRows(); recalc(); lockWidths(); applyPage(); } finally { state.isProcessing = false; }
        }
        catch(err){console.warn('Steam License Classifier init failed:',err.message);}
        finally{state.isLoading=false;} // 确保无论如何都重置加载状态
    }

    if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',function onReady(){document.removeEventListener('DOMContentLoaded',onReady);init();});}
    else init();

    // BFCache 支持：页面恢复时重新初始化
    window.addEventListener('pageshow',e=>{if(e.persisted){_initialized=false;init();}});
    window.addEventListener('pagehide',e=>{
        if(!e.persisted){disposers.forEach(d=>d());disposers.length=0;state.obs?.disconnect();clearTimeout(state.timers.search);clearTimeout(state.timers.obs);}
    });

    // ==================== 绝版游戏检查 ====================
    // 懒加载：仅在用户点击按钮时才解析，避免阻塞启动
    let _delistedDB = null, _delistedApps = null;
    function getDelistedApps() {
        if (_delistedApps) return _delistedApps;
        if (!_delistedDB) {
            try { _delistedDB = JSON.parse(GM_getResourceText('delistedData') || '{}'); }
            catch(e) { console.warn('[SLC] DELISTED_DB 加载失败:', e); _delistedDB = {}; }
        }
        let rawApps = [];
        if (Array.isArray(_delistedDB.data)) rawApps = _delistedDB.data;
        else if (_delistedDB.delisted && Array.isArray(_delistedDB.delisted.apps)) rawApps = _delistedDB.delisted.apps;
        _delistedApps = rawApps.map(app => ({
            appid: app.appId || app.appid,
            name: app.name,
            type: app.delistType || app.type || 'Delisted',
            changed: app.delistedAt || app.changed,
            owners: app.ownerPercentage != null ? app.ownerPercentage + '%' : (app.owners || '-'),
            achievements: (app.achievementCount != null && app.achievementCount >= 0) ? app.achievementCount : (app.achievements > 0 ? app.achievements : null)
        }));
        return _delistedApps;
    }

    // 统一类型映射（消除 getDelistedTypeKey/getDelistedTypeLabel 中的重复映射）
    const _DELISTED_TYPE_MAP = {
        'Delisted':          { key: 'delisted',          labelKey: 'typeDelisted' },
        'Purchase disabled': { key: 'purchase_disabled', labelKey: 'typePurchaseDisabled' },
        'F2P (unavailable)': { key: 'f2p_unavailable',   labelKey: 'typeF2P' },
        'Retail only':       { key: 'retail_only',       labelKey: 'typeRetailOnly' },
        'Test app':          { key: 'test_app',          labelKey: 'typeTestApp' }
    };
    // 反向映射：key → 原始名
    const _KEY_TO_RAW = {};
    for (const [raw, v] of Object.entries(_DELISTED_TYPE_MAP)) _KEY_TO_RAW[v.key] = raw;

    function getDelistedTypeKey(type) {
        if (!type) return 'delisted';
        if (type.includes('_')) return type;
        return _DELISTED_TYPE_MAP[type]?.key || 'delisted';
    }
    function getDelistedTypeLabel(type) {
        if (!type) return t('typeDelisted');
        if (type.includes('_')) return t(_DELISTED_TYPE_MAP[_KEY_TO_RAW[type]]?.labelKey || 'typeDelisted');
        return t(_DELISTED_TYPE_MAP[type]?.labelKey || 'typeDelisted');
    }

    // 拥有状态辅助函数（消除 6 处重复表达式）
    const isOwned = (ids, app) => ids.has(Number(app.appid)) || ids.has(String(app.appid));

    // 类型颜色常量（模块级，避免每次渲染重建）
    const _TYPE_COLORS = { delisted:'#f44336', purchase_disabled:'#ff9800', f2p_unavailable:'#ce93d8', retail_only:'#64b5f6', test_app:'#26c6da' };

    const _dlst = { ownedIds: null, state: { search:'', typeFilter:'all', ownershipFilter:'all', page:1, pageSize:60, viewMode:'card', sortBy:'name', sortDir:'asc', showCover:false } };

    // 共享 DOM 解析缓存（消除 detectSteamId/getAccessTokenSync 中的重复 getElementById）
    let _cachedAppConfig = null;
    function getAppConfig() {
        if (_cachedAppConfig) return _cachedAppConfig;
        try {
            const el = document.getElementById('application_config');
            if (el) {
                _cachedAppConfig = {
                    userinfo: JSON.parse(el.getAttribute('data-userinfo') || '{}'),
                    storeConfig: JSON.parse(el.getAttribute('data-store_user_config') || '{}')
                };
                return _cachedAppConfig;
            }
        } catch {}
        return null;
    }

    function detectSteamId() {
        try { if (unsafeWindow.g_steamID) return unsafeWindow.g_steamID; } catch {}
        const cfg = getAppConfig();
        if (cfg?.userinfo?.steamid) return String(cfg.userinfo.steamid);
        const m = document.documentElement.innerHTML.match(/g_steamID\s*=\s*"(\d{17})"/);
        return m ? m[1] : '';
    }

    let _cachedWebApiToken = null;

    function getAccessTokenSync() {
        const cfg = getAppConfig();
        if (cfg?.storeConfig?.webapi_token) return cfg.storeConfig.webapi_token;
        const m = document.documentElement.innerHTML.match(/"webapi_token"\s*:\s*"([^"]+)"/);
        return m ? m[1] : null;
    }

    function fetchWebApiTokenFromStore() {
        return new Promise((resolve) => {
            if (_cachedWebApiToken) { resolve(_cachedWebApiToken); return; }
            GM_xmlhttpRequest({
                method: 'GET',
                url: 'https://store.steampowered.com/',
                timeout: 10000,
                onload(resp) {
                    try {
                        const html = resp.responseText;
                        const m1 = html.match(/id="application_config"[^>]*data-store_user_config="([^"]*)"/);
                        if (m1 && m1[1]) {
                            const decoded = m1[1].replace(/&amp;/g, '&').replace(/&quot;/g, '"').replace(/&lt;/g, '<').replace(/&gt;/g, '>');
                            const config = JSON.parse(decoded);
                            if (config.webapi_token) { _cachedWebApiToken = config.webapi_token; resolve(config.webapi_token); return; }
                        }
                        const m2 = html.match(/"webapi_token"\s*:\s*"([^"]+)"/);
                        if (m2 && m2[1]) { _cachedWebApiToken = m2[1]; resolve(m2[1]); return; }
                    } catch (e) { /* ignore */ }
                    resolve(null);
                },
                onerror() { resolve(null); },
                ontimeout() { resolve(null); }
            });
        });
    }

    async function getAccessToken() {
        if (_cachedWebApiToken) return _cachedWebApiToken;
        const syncToken = getAccessTokenSync();
        if (syncToken) { _cachedWebApiToken = syncToken; return syncToken; }
        return await fetchWebApiTokenFromStore();
    }

    // 封装 GM_xmlhttpRequest 为 Promise
    function gmFetch(url, timeout = 15000) {
        return new Promise((res, rej) => {
            GM_xmlhttpRequest({
                method: 'GET', url, timeout,
                onload(r) {
                    try {
                        const text = r.responseText || '';
                        if (!text || text.trim().charAt(0) === '<') { rej(new Error('API 返回非 JSON')); return; }
                        res(JSON.parse(text));
                    } catch(e) { rej(e); }
                },
                onerror() { rej(new Error('网络错误')); },
                ontimeout() { rej(new Error('超时')); }
            });
        });
    }

    async function fetchOwnedAppIds() {
        const steamId = detectSteamId();
        if (!steamId) throw new Error('无法检测 SteamID');
        const token = await getAccessToken();
        if (!token) throw new Error('未获取到 access_token，请确保已登录 Steam 商店');

        // 通过 GetOwnedGames 获取个人游戏库
        try {
            const data = await gmFetch(`https://api.steampowered.com/IPlayerService/GetOwnedGames/v0001/?access_token=${token}&steamid=${steamId}&include_appinfo=0&include_played_free_games=1&format=json`);
            const apps = data?.response?.games || [];
            if (apps.length > 0) return new Set(apps.map(a => a.appid));
        } catch(e) {
            console.warn('[SLC] GetOwnedGames 获取失败:', e);
        }

        throw new Error('无法获取游戏库，请确保已登录 Steam 且个人资料公开');
    }

    function getFilteredDelistedApps(allApps, ds, ownedIds) {
        let apps = allApps;
        if (ds.typeFilter !== 'all') apps = apps.filter(a => getDelistedTypeKey(a.type) === ds.typeFilter);
        if (ds.ownershipFilter === 'owned') apps = apps.filter(a => isOwned(ownedIds, a));
        else if (ds.ownershipFilter === 'missing') apps = apps.filter(a => !isOwned(ownedIds, a));
        if (ds.search) {
            const q = ds.search.toLowerCase();
            apps = apps.filter(a => (a.name||'').toLowerCase().includes(q) || String(a.appid).includes(q));
        }
        // 排序
        const dir = ds.sortDir === 'asc' ? 1 : -1;
        apps = [...apps].sort((a, b) => {
            if (ds.sortBy === 'name') {
                return dir * (a.name || '').localeCompare(b.name || '', 'zh-CN');
            } else if (ds.sortBy === 'date') {
                const da = a.changed || '', db = b.changed || '';
                return dir * da.localeCompare(db);
            } else if (ds.sortBy === 'rarity') {
                const pa = parseFloat(a.owners) || 0, pb = parseFloat(b.owners) || 0;
                return dir * (pa - pb);
            }
            return 0;
        });
        return apps;
    }

    function renderDelistedContent(bodyEl, allApps, ownedIds) {
        const ds = _dlst.state;
        const apps = getFilteredDelistedApps(allApps, ds, ownedIds);
        const totalDelisted = allApps.length;

        // Type distribution + 拥有统计（单次遍历）
        const typeCounts = {}, typeOwned = {};
        allApps.forEach(app => {
            const key = getDelistedTypeKey(app.type);
            typeCounts[key] = (typeCounts[key] || 0) + 1;
            if (isOwned(ownedIds, app)) typeOwned[key] = (typeOwned[key] || 0) + 1;
        });
        const ownedDelisted = Object.values(typeOwned).reduce((s, v) => s + v, 0);
        const missingDelisted = totalDelisted - ownedDelisted;
        const delistedPct = totalDelisted > 0 ? (ownedDelisted / totalDelisted * 100).toFixed(3) : '0.000';

        let html = '';

        // 固定头部区域：KPI + 进度条 + 类型筛选 + 搜索
        html += '<div class="slc-delisted-header">';
        // KPI cards (owned/missing are clickable filters)
        const ofAll = ds.ownershipFilter === 'all';
        const ofOwned = ds.ownershipFilter === 'owned';
        const ofMissing = ds.ownershipFilter === 'missing';
        html += `<div class="slc-delisted-kpi-row">
            <div class="slc-delisted-kpi-card${ofAll ? ' active' : ''}" data-ownership="all" style="border-color:rgba(244,67,54,.35)"><div class="slc-delisted-kpi-value" style="color:#f44336">${totalDelisted.toLocaleString()}</div><div class="slc-delisted-kpi-label">${t('delistedTotal')}</div></div>
            <div class="slc-delisted-kpi-card${ofOwned ? ' active' : ''}" data-ownership="owned" style="border-color:rgba(34,197,94,.35)"><div class="slc-delisted-kpi-value" style="color:#22c55e">${ownedDelisted.toLocaleString()}</div><div class="slc-delisted-kpi-label">${t('delistedOwned')}</div></div>
            <div class="slc-delisted-kpi-card${ofMissing ? ' active' : ''}" data-ownership="missing" style="border-color:rgba(255,152,0,.35)"><div class="slc-delisted-kpi-value" style="color:#ff9800">${missingDelisted.toLocaleString()}</div><div class="slc-delisted-kpi-label">${t('delistedMissing')}</div></div>
            <div class="slc-delisted-kpi-card"><div class="slc-delisted-kpi-value">${delistedPct}%</div><div class="slc-delisted-kpi-label">${t('delistedOwnership')}</div></div>
        </div>`;

        // Progress bar
        html += `<div class="slc-delisted-progress"><div class="slc-delisted-progress-fill" style="width:${delistedPct}%"></div></div>`;

        // Type distribution tags (merged with filter buttons) + pagination on the right
        const totalPages = Math.max(1, Math.ceil(apps.length / ds.pageSize));
        if (ds.page > totalPages) ds.page = totalPages;
        const typeEntries = Object.entries(typeCounts).sort((a, b) => b[1] - a[1]);
        const typeButtons = [
            { key:'all', label: t('all'), color:'#66c0f4', count: totalDelisted, owned: ownedDelisted },
            ...typeEntries.map(([key, count]) => ({
                key,
                label: getDelistedTypeLabel(key),
                color: _TYPE_COLORS[key] || '#8f98a0',
                count,
                owned: typeOwned[key] || 0
            }))
        ];
        html += `<div class="slc-delisted-type-row">${typeButtons.map(tb =>
            `<button class="slc-delisted-type-btn${ds.typeFilter === tb.key ? ' active' : ''}" data-type="${tb.key}" data-color="${tb.color}" style="background:${ds.typeFilter === tb.key ? tb.color+'33' : 'rgba(255,255,255,.05)'};color:${ds.typeFilter === tb.key ? tb.color : '#94a3b8'};border:1px solid ${ds.typeFilter === tb.key ? tb.color+'66' : 'rgba(255,255,255,.1)'};font-weight:${ds.typeFilter === tb.key ? '700' : '500'};box-shadow:${ds.typeFilter === tb.key ? '0 2px 6px rgba(0,0,0,.3)' : 'none'}">${tb.label}: ${tb.owned}/${tb.count}</button>`
        ).join('')}
            <div class="slc-delisted-pagination" style="margin-left:auto;margin-top:0">
                <button id="slc-dlst-prev" ${ds.page <= 1 ? 'disabled' : ''}>${t('prev')}</button>
                <span class="page-info">${ds.page}/${totalPages} (${apps.length})</span>
                <button id="slc-dlst-next" ${ds.page >= totalPages ? 'disabled' : ''}>${t('next')}</button>
            </div>
        </div>`;

        // Toolbar: search + view mode
        const sortIcon = ds.sortDir === 'asc' ? '↑' : '↓';
        html += `<div class="slc-delisted-toolbar">
            <input type="text" id="slc-dlst-search" placeholder="${t('delistedSearch')}" value="${ds.search}">
            <div class="slc-dlst-sort-group">
                <button class="slc-dlst-sort-btn${ds.sortBy === 'name' ? ' active' : ''}" data-sort="name">${t('delistedCardName') || '名称'}${ds.sortBy === 'name' ? ' '+sortIcon : ''}</button>
                <button class="slc-dlst-sort-btn${ds.sortBy === 'date' ? ' active' : ''}" data-sort="date">${t('delistedDate') || '日期'}${ds.sortBy === 'date' ? ' '+sortIcon : ''}</button>
                <button class="slc-dlst-sort-btn${ds.sortBy === 'rarity' ? ' active' : ''}" data-sort="rarity">${t('delistedOwners') || '稀有'}${ds.sortBy === 'rarity' ? ' '+sortIcon : ''}</button>
            </div>
            <button class="${ds.viewMode === 'card' ? 'active' : ''}" id="slc-dlst-card" title="Card">▦</button>
            <button class="${ds.viewMode === 'list' ? 'active' : ''}" id="slc-dlst-list" title="List">☰</button>
            <button class="slc-delisted-cover-btn${ds.showCover ? ' active' : ''}" id="slc-dlst-cover" title="${t('delistedCover') || '封面'}"><svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/></svg></button>
        </div>`;
        html += '</div>'; // end header

        // 可滚动内容区域
        html += '<div class="slc-delisted-scroll">' + buildDelistedScroll(apps, ds, ownedIds) + '</div>';

        bodyEl.innerHTML = html;

        // Event bindings
        const searchEl = bodyEl.querySelector('#slc-dlst-search');
        if (searchEl) {
            let searchTimer;
            searchEl.addEventListener('input', e => {
                ds.search = e.target.value;
                ds.page = 1;
                clearTimeout(searchTimer);
                searchTimer = setTimeout(() => updateDelistedScroll(bodyEl, allApps, ownedIds), 200);
            });
        }
        // 事件委托：统一处理所有点击事件
        bodyEl.addEventListener('click', e => {
            const target = e.target.closest('[data-ownership], .slc-delisted-type-btn, #slc-dlst-card, #slc-dlst-list, #slc-dlst-cover, .slc-dlst-sort-btn');
            if (!target || !bodyEl.contains(target)) return;
            // KPI 卡片：拥有状态筛选
            if (target.dataset.ownership) {
                ds.ownershipFilter = target.dataset.ownership;
                ds.page = 1;
                updateDelistedScroll(bodyEl, allApps, ownedIds);
                return;
            }
            // 类型筛选按钮
            if (target.classList.contains('slc-delisted-type-btn')) {
                ds.typeFilter = target.dataset.type;
                ds.page = 1;
                bodyEl.querySelectorAll('.slc-delisted-type-btn').forEach(b => {
                    const c = b.dataset.color;
                    const isActive = b.dataset.type === ds.typeFilter;
                    b.classList.toggle('active', isActive);
                    b.style.background = isActive ? c+'33' : 'rgba(255,255,255,.05)';
                    b.style.color = isActive ? c : '#94a3b8';
                    b.style.border = `1px solid ${isActive ? c+'66' : 'rgba(255,255,255,.1)'}`;
                    b.style.fontWeight = isActive ? '700' : '500';
                    b.style.boxShadow = isActive ? '0 2px 6px rgba(0,0,0,.3)' : 'none';
                });
                updateDelistedScroll(bodyEl, allApps, ownedIds);
                return;
            }
            // 视图切换
            if (target.id === 'slc-dlst-card') { ds.viewMode = 'card'; updateDelistedScroll(bodyEl, allApps, ownedIds); return; }
            if (target.id === 'slc-dlst-list') { ds.viewMode = 'list'; updateDelistedScroll(bodyEl, allApps, ownedIds); return; }
            // 封面按钮
            if (target.id === 'slc-dlst-cover') { ds.showCover = !ds.showCover; updateDelistedScroll(bodyEl, allApps, ownedIds); return; }
            // 排序按钮
            if (target.classList.contains('slc-dlst-sort-btn')) {
                const sortBy = target.dataset.sort;
                if (ds.sortBy === sortBy) {
                    ds.sortDir = ds.sortDir === 'asc' ? 'desc' : 'asc';
                } else {
                    ds.sortBy = sortBy;
                    ds.sortDir = 'asc';
                }
                ds.page = 1;
                updateDelistedScroll(bodyEl, allApps, ownedIds);
            }
        });
        // KPI 卡片鼠标样式
        bodyEl.querySelectorAll('.slc-delisted-kpi-card[data-ownership]').forEach(card => { card.style.cursor = 'pointer'; });
    }

    // 构建游戏元数据 HTML（卡片/列表共用）
    function buildDelistedMeta(app, typeKey) {
        return `<span class="slc-delisted-badge type-${typeKey}">${getDelistedTypeLabel(app.type)}</span>
            <span class="slc-delisted-card-owners">${app.owners || '-'}</span>
            ${app.changed ? `<span style="font-size:10px;color:#64748b">${app.changed}</span>` : ''}
            ${app.achievements ? `<span class="slc-delisted-card-achievements">🏆 ${app.achievements}</span>` : ''}`;
    }

    function buildDelistedScroll(apps, ds, ownedIds) {
        const totalPages = Math.max(1, Math.ceil(apps.length / ds.pageSize));
        if (ds.page > totalPages) ds.page = totalPages;
        const start = (ds.page - 1) * ds.pageSize;
        const pageApps = apps.slice(start, start + ds.pageSize);
        if (ds.viewMode === 'card') {
            return `<div class="slc-delisted-grid">${pageApps.map(app => {
                const owned = isOwned(ownedIds, app);
                const typeKey = getDelistedTypeKey(app.type);
                return `<div class="slc-delisted-card" onclick="window.open('https://steamdb.info/app/${app.appid}','_blank')">
                    <span class="owned-badge ${owned ? 'owned' : 'missing'}">${owned ? '✓ ' + t('delistedOwned') : t('delistedMissing')}</span>
                    <div class="slc-delisted-card-name" title="${app.name}">${app.name || 'AppID: '+app.appid}</div>
                    <div class="slc-delisted-card-meta">${buildDelistedMeta(app, typeKey)}</div>
                </div>`;
            }).join('')}</div>`;
        }
        return `<div class="slc-delisted-list">${pageApps.map(app => {
            const owned = isOwned(ownedIds, app);
            const typeKey = getDelistedTypeKey(app.type);
            const coverUrl = `https://cdn.akamai.steamstatic.com/steam/apps/${app.appid}/header_292x136.jpg`;
            return `<div class="slc-delisted-list-item${ds.showCover ? ' has-cover' : ''}" style="border-left:3px solid ${owned ? '#22c55e' : '#f44336'}" onclick="window.open('https://steamdb.info/app/${app.appid}','_blank')">
                ${ds.showCover ? `<img class="slc-delisted-cover" src="${coverUrl}" loading="lazy" onerror="this.style.display='none'" alt="">` : ''}
                <div class="name" style="color:${owned ? '#f1f5f9' : '#94a3b8'}">${app.name || 'AppID: '+app.appid}</div>
                <div class="meta">
                    ${buildDelistedMeta(app, typeKey)}
                    <span style="font-size:10px;font-weight:600;color:${owned ? '#22c55e' : '#f44336'}">${owned ? '✓ ' + t('delistedOwned') : t('delistedMissing')}</span>
                </div>
            </div>`;
        }).join('')}</div>`;
    }

    // 仅更新滚动区域（不重建头部，避免搜索框闪烁）
    function updateDelistedScroll(bodyEl, allApps, ownedIds) {
        const ds = _dlst.state;
        const apps = getFilteredDelistedApps(allApps, ds, ownedIds);
        const totalPages = Math.max(1, Math.ceil(apps.length / ds.pageSize));
        if (ds.page > totalPages) ds.page = totalPages;
        const scrollEl = bodyEl.querySelector('.slc-delisted-scroll');
        if (scrollEl) scrollEl.innerHTML = buildDelistedScroll(apps, ds, ownedIds);
        // 更新分页按钮状态
        const prevBtn = bodyEl.querySelector('#slc-dlst-prev');
        const nextBtn = bodyEl.querySelector('#slc-dlst-next');
        const pageInfo = bodyEl.querySelector('.slc-delisted-pagination .page-info');
        if (prevBtn) prevBtn.disabled = ds.page <= 1;
        if (nextBtn) nextBtn.disabled = ds.page >= totalPages;
        if (pageInfo) pageInfo.textContent = `${ds.page}/${totalPages} (${apps.length})`;
        // 绑定分页按钮事件
        if (prevBtn) prevBtn.onclick = () => { ds.page--; updateDelistedScroll(bodyEl, allApps, ownedIds); };
        if (nextBtn) nextBtn.onclick = () => { ds.page++; updateDelistedScroll(bodyEl, allApps, ownedIds); };
        // 更新视图模式按钮高亮
        const cardBtn = bodyEl.querySelector('#slc-dlst-card');
        const listBtn = bodyEl.querySelector('#slc-dlst-list');
        const coverBtn = bodyEl.querySelector('#slc-dlst-cover');
        if (cardBtn) cardBtn.classList.toggle('active', ds.viewMode === 'card');
        if (listBtn) listBtn.classList.toggle('active', ds.viewMode === 'list');
        if (coverBtn) coverBtn.classList.toggle('active', ds.showCover);
        // 更新排序按钮高亮和箭头
        const sortIcon = ds.sortDir === 'asc' ? '↑' : '↓';
        const sortLabels = { name: t('delistedCardName') || '名称', date: t('delistedDate') || '日期', rarity: t('delistedOwners') || '稀有' };
        bodyEl.querySelectorAll('.slc-dlst-sort-btn').forEach(btn => {
            const sortBy = btn.dataset.sort;
            const isActive = sortBy === ds.sortBy;
            btn.classList.toggle('active', isActive);
            btn.textContent = sortLabels[sortBy] + (isActive ? ' ' + sortIcon : '');
        });
        // 更新 KPI 卡片高亮
        bodyEl.querySelectorAll('.slc-delisted-kpi-card[data-ownership]').forEach(card => {
            card.classList.toggle('active', card.dataset.ownership === ds.ownershipFilter);
        });
    }

    async function showDelisted() {
        const allApps = getDelistedApps();
        if (!allApps.length) { toast(t('delistedNoData'), 'error'); return; }

        let refs = ui.delistedRefs;
        if (!refs) {
            refs = ui.delistedRefs = createChartModal('delisted', t('delistedTitle'), '#f44336', 'dataNote');
        }
        const { modal, bodyEl } = refs;
        hideAllModals();

        if (_dlst.ownedIds) {
            renderDelistedContent(bodyEl, allApps, _dlst.ownedIds);
            modal.classList.add('visible');
            return;
        }

        // Loading state
        bodyEl.innerHTML = `<div class="slc-delisted-loading"><div class="spinner"></div><div>${t('delistedFetching')}</div></div>`;
        modal.classList.add('visible');

        try {
            _dlst.ownedIds = await fetchOwnedAppIds();
            toast(t('delistedLoaded') + ` (${_dlst.ownedIds.size})`, 'success');
            renderDelistedContent(bodyEl, allApps, _dlst.ownedIds);
        } catch(e) {
            console.error('[SLC] 获取游戏库失败:', e);
            bodyEl.innerHTML = `<div class="slc-delisted-loading" style="color:#f44336">${t('delistedFetchFail')}: ${e.message}</div>`;
        }
    }

    // ==================== Keyboard Shortcuts ====================
    document.addEventListener('keydown',e=>{
        if(e.target.matches('input,select,textarea')||e.ctrlKey||e.altKey||e.metaKey){
            if(e.key==='Escape'&&e.target.matches('input,select,textarea'))e.target.blur();
            return;
        }
        if(e.key==='Escape'){hideAllModals();return;}
        switch(e.key){
            case'/':e.preventDefault();ui.searchInput?.focus();break;
            case'ArrowLeft':if(state.page>1){state.page--;applyPage();}break;
            case'ArrowRight':if(state.page<state.totalPages){state.page++;applyPage();}break;
            case'a':case'A':state.showAll=!state.showAll;if(state.showAll)state.page=1;applyPage();break;
            case'c':case'C':showCalendarHeatmap();break;
            case'd':case'D':showDonut();break;case'y':case'Y':showYear();break;
            case'f':case'F':showPredict();break;case't':case'T':showTrend();break;case's':case'S':showSimilar();break;case'r':case'R':showRedeem();break;case'g':case'G':showDelisted();break;
        }
    });

    // ==================== 变动观察器 ====================
    function startObs(){
        if(state.obs){state.obs.disconnect();state.obs=null;}
        clearTimeout(state.timers.obs);state.timers.obs=null;
        const tb=getTb();if(!tb)return;
        state.obs=new MutationObserver(muts=>{
            const hasNew=muts.some(m=>Array.from(m.addedNodes).some(n=>n.nodeType===1&&n.nodeName==='TR'));
            if(hasNew){clearTimeout(state.timers.obs);state.timers.obs=setTimeout(()=>{
                if(state.isProcessing||state.isLoading)return; // 加载期间由refreshLoadingStats接管
                invalidateDataRows();
                markRows();recalc();lockWidths();applyPage();
            },CFG.OBS_DEBOUNCE);}
        });
        state.obs.observe(tb,{childList:true});
        disposers.push(()=>{state.obs?.disconnect();state.obs=null;clearTimeout(state.timers.obs);state.timers.obs=null;});
    }
})();