import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import { useLocation } from 'react-router-dom';
import { api, userApi } from '../api.js';
import { BrandGlyph, getBrand, hashColor, BrandIcon, type BrandInfo } from '../components/BrandIcon.js';
import SiteBadgeLink from '../components/SiteBadgeLink.js';
import { useToast } from '../components/Toast.js';
import ModernSelect from '../components/ModernSelect.js';
import ResponsiveFilterPanel from '../components/ResponsiveFilterPanel.js';
import { useAnimatedVisibility } from '../components/useAnimatedVisibility.js';
import { useIsMobile } from '../components/useIsMobile.js';
import { mergeMarketplaceMetadata, shouldHydrateMarketplaceMetadata } from './helpers/modelsMarketplaceMetadata.js';
import { tr } from '../i18n.js';

type SortColumn = 'name' | 'accountCount' | 'tokenCount' | 'avgLatency' | 'successRate';
type ViewMode = 'card' | 'table';

interface ModelTokenInfo {
  id: number;
  name: string;
  isDefault: boolean;
}

interface ModelGroupPricing {
  quotaType: number;
  inputPerMillion?: number;
  outputPerMillion?: number;
  perCallInput?: number;
  perCallOutput?: number;
  perCallTotal?: number;
}

interface ModelPricingSource {
  siteId: number;
  siteName: string;
  accountId: number;
  username: string | null;
  ownerBy: string | null;
  enableGroups: string[];
  groupPricing: Record<string, ModelGroupPricing>;
}

interface ModelAccountInfo {
  id: number;
  site: string;
  username: string | null;
  latency: number | null;
  balance: number;
  tokens: ModelTokenInfo[];
}

interface ModelRow {
  name: string;
  accountCount: number;
  tokenCount: number;
  avgLatency: number | null;
  successRate: number | null;
  description: string | null;
  tags: string[];
  supportedEndpointTypes: string[];
  pricingSources: ModelPricingSource[];
  accounts: ModelAccountInfo[];
}

interface ModelsMarketplaceResponse {
  models: ModelRow[];
  meta?: {
    refreshRequested?: boolean;
    refreshQueued?: boolean;
    refreshReused?: boolean;
    refreshRunning?: boolean;
    refreshJobId?: string | null;
  };
}

function isKnownLatency(latency: number | null | undefined): latency is number {
  return typeof latency === 'number' && Number.isFinite(latency);
}

function getMetricColor(latency: number | null) {
  if (!isKnownLatency(latency)) return 'var(--color-text-muted)';
  if (latency >= 3000) return 'var(--color-danger)';
  if (latency >= 2000) return 'color-mix(in srgb, var(--color-warning) 30%, var(--color-danger))';
  if (latency >= 1500) return 'color-mix(in srgb, var(--color-warning) 60%, var(--color-danger))';
  if (latency >= 1000) return 'var(--color-warning)';
  if (latency > 500) return 'color-mix(in srgb, var(--color-success) 60%, var(--color-warning))';
  return 'var(--color-success)';
}

function getLatencyBadgeClass(latency: number | null) {
  if (!isKnownLatency(latency)) return 'badge-muted';
  if (latency >= 3000) return 'badge-error';
  if (latency >= 1000) return 'badge-warning';
  return 'badge-success';
}

function formatLatency(latency: number | null): string {
  return isKnownLatency(latency) ? `${latency}ms` : '暂无';
}

function getSuccessBadgeClass(rate: number | null) {
  if (rate == null) return 'badge-muted';
  if (rate >= 90) return 'badge-success';
  if (rate >= 60) return 'badge-warning';
  return 'badge-error';
}

function resolveMarketplaceDescription(model: ModelRow, metadataHydrating: boolean): string {
  if (model.description && model.description.trim().length > 0) return model.description;
  if (metadataHydrating) return tr('正在加载模型元数据...');

  const hasOtherMetadata = model.tags.length > 0 || model.supportedEndpointTypes.length > 0 || model.pricingSources.length > 0;
  if (hasOtherMetadata) return tr('上游未提供描述文本，但已同步标签、能力或价格信息。');
  return tr('当前上游仅返回模型 ID，未返回描述字段。');
}

function renderGroupPricingValue(pricing: ModelGroupPricing): string {
  if (pricing.quotaType === 0) {
    return `${pricing.inputPerMillion ?? 0}/${pricing.outputPerMillion ?? 0} USD / 1M`;
  }

  if (pricing.perCallInput != null || pricing.perCallOutput != null) {
    return `${pricing.perCallInput ?? 0}/${pricing.perCallOutput ?? 0} USD / call`;
  }

  return `${pricing.perCallTotal ?? 0} USD / call`;
}

async function copyTextToClipboard(text: string) {
  if (navigator.clipboard?.writeText) {
    await navigator.clipboard.writeText(text);
    return;
  }

  const textarea = document.createElement('textarea');
  textarea.value = text;
  textarea.style.position = 'fixed';
  textarea.style.opacity = '0';
  textarea.style.left = '-9999px';
  document.body.appendChild(textarea);
  textarea.focus();
  textarea.select();
  document.execCommand('copy');
  document.body.removeChild(textarea);
}

const PAGE_SIZES = [10, 20, 50];

function compareModels(a: ModelRow, b: ModelRow, sortBy: SortColumn, sortDir: 'asc' | 'desc'): number {
  if (sortBy === 'name') {
    const cmp = a.name.localeCompare(b.name);
    return sortDir === 'asc' ? cmp : -cmp;
  }

  const resolveNumericSortValue = (model: ModelRow) => {
    if (sortBy === 'successRate') return model.successRate ?? -1;
    if (sortBy === 'avgLatency') {
      if (!isKnownLatency(model.avgLatency)) {
        return sortDir === 'asc' ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;
      }
      return model.avgLatency;
    }
    return model[sortBy] ?? 0;
  };

  const va = resolveNumericSortValue(a);
  const vb = resolveNumericSortValue(b);
  if (va === vb) return a.name.localeCompare(b.name);
  return sortDir === 'desc' ? vb - va : va - vb;
}

/* ---- component ---- */
export default function Models() {
  const toast = useToast();
  const location = useLocation();
  const isUserView = location.pathname.startsWith('/user/');
  const marketplaceApi = isUserView ? userApi : api;
  const [data, setData] = useState<ModelsMarketplaceResponse>({ models: [] });
  const [loading, setLoading] = useState(true);
  const [search, setSearch] = useState('');
  const [sortBy, setSortBy] = useState<SortColumn>('accountCount');
  const [sortDir, setSortDir] = useState<'asc' | 'desc'>('desc');
  const [activeSite, setActiveSite] = useState<string | null>(null);
  const [activeBrand, setActiveBrand] = useState<string | null>(null);
  const [expanded, setExpanded] = useState<string | null>(null);
  const [viewMode, setViewMode] = useState<ViewMode>('card');
  const [page, setPage] = useState(1);
  const [pageSize, setPageSize] = useState(20);
  const [copied, setCopied] = useState<string | null>(null);
  const [filterCollapsed, setFilterCollapsed] = useState(false);
  const [showFilters, setShowFilters] = useState(false);
  const [metadataHydrating, setMetadataHydrating] = useState(false);
  const isMobile = useIsMobile();
  const filterPanelPresence = useAnimatedVisibility(!isMobile && !filterCollapsed, 220);
  const latestPrimaryRequestRef = useRef(0);
  const latestMetadataRequestRef = useRef(0);
  const siteIdByName = useMemo(() => {
    const index = new Map<string, number>();
    for (const model of data.models) {
      for (const source of model.pricingSources || []) {
        const siteName = String(source.siteName || '').trim();
        const siteId = Number(source.siteId);
        if (!siteName || !Number.isFinite(siteId) || siteId <= 0 || index.has(siteName)) continue;
        index.set(siteName, Math.trunc(siteId));
      }
    }
    return index;
  }, [data.models]);

  const loadBaseMarketplace = useCallback(async (refresh = false) => {
    const requestId = ++latestPrimaryRequestRef.current;
    latestMetadataRequestRef.current += 1;
    setMetadataHydrating(false);
    setLoading(true);
    try {
      const res = await marketplaceApi.getModelsMarketplace({
        refresh,
        includePricing: false,
      });
      if (requestId !== latestPrimaryRequestRef.current) return null;
      const next = res as ModelsMarketplaceResponse;
      setData(next);
      if (refresh && next.meta?.refreshRequested) {
        if (next.meta.refreshReused) {
          toast.info(tr('模型广场刷新进行中'));
        } else if (next.meta.refreshQueued) {
          toast.info(tr('已开始刷新模型广场'));
        }
      }
      return next;
    } catch {
      if (requestId !== latestPrimaryRequestRef.current) return null;
      setData({ models: [] });
      return null;
    } finally {
      if (requestId === latestPrimaryRequestRef.current) {
        setLoading(false);
      }
    }
  }, [marketplaceApi, toast]);

  const hydrateMarketplaceMetadata = useCallback(async (baseModels: ModelRow[]) => {
    if (!shouldHydrateMarketplaceMetadata(baseModels)) return;

    const metadataRequestId = ++latestMetadataRequestRef.current;
    const baseRequestId = latestPrimaryRequestRef.current;
    setMetadataHydrating(true);
    try {
      const res = await marketplaceApi.getModelsMarketplace({
        includePricing: true,
      });
      if (metadataRequestId !== latestMetadataRequestRef.current) return;
      if (baseRequestId !== latestPrimaryRequestRef.current) return;

      const detailed = res as ModelsMarketplaceResponse;
      setData((current) => ({
        ...current,
        models: mergeMarketplaceMetadata(current.models, detailed.models),
        meta: detailed.meta ?? current.meta,
      }));
    } catch {
      // Keep the fast base list when metadata fetch fails.
    } finally {
      if (metadataRequestId === latestMetadataRequestRef.current) {
        setMetadataHydrating(false);
      }
    }
  }, [marketplaceApi]);

  useEffect(() => {
    if (!isMobile) return;
    if (viewMode !== 'card') {
      setViewMode('card');
    }
    if (!filterCollapsed) {
      setFilterCollapsed(true);
    }
  }, [filterCollapsed, isMobile, viewMode]);

  useEffect(() => {
    let cancelled = false;
    let metadataTimer: ReturnType<typeof setTimeout> | null = null;
    const bootstrap = async () => {
      const initial = await loadBaseMarketplace(false);
      if (!initial || cancelled) return;
      metadataTimer = setTimeout(() => {
        if (!cancelled) {
          void hydrateMarketplaceMetadata(initial.models);
        }
      }, 1200);
    };
    void bootstrap();
    return () => {
      cancelled = true;
      if (metadataTimer) clearTimeout(metadataTimer);
      latestMetadataRequestRef.current += 1;
    };
  }, [hydrateMarketplaceMetadata, loadBaseMarketplace]);

  const handleRefresh = useCallback(() => {
    void (async () => {
      const refreshed = await loadBaseMarketplace(true);
      if (!refreshed) return;
      setTimeout(() => {
        void hydrateMarketplaceMetadata(refreshed.models);
      }, 600);
    })();
  }, [hydrateMarketplaceMetadata, loadBaseMarketplace]);

  useEffect(() => {
    const q = new URLSearchParams(location.search).get('q') || '';
    setSearch(q);
  }, [location.search]);

  /* ---- derived: brand list ---- */
  const brandList = useMemo(() => {
    const m = new Map<string, { count: number; brand: BrandInfo }>();
    let otherCount = 0;
    for (const model of data.models) {
      const brand = getBrand(model.name);
      if (brand) {
        const existing = m.get(brand.name);
        if (existing) existing.count++;
        else m.set(brand.name, { count: 1, brand });
      } else {
        otherCount++;
      }
    }
    const list = [...m.entries()].sort((a, b) => b[1].count - a[1].count);
    return { list, otherCount };
  }, [data.models]);

  /* ---- derived: site list ---- */
  const siteMap = useMemo(() => {
    if (isUserView) return [];
    const m = new Map<string, number>();
    for (const model of data.models) {
      for (const a of model.accounts) {
        m.set(a.site, (m.get(a.site) || 0) + 1);
      }
    }
    return [...m.entries()].sort((a, b) => b[1] - a[1]);
  }, [data.models, isUserView]);

  /* ---- filtered ---- */
  const filteredModels = useMemo(() => {
    let list = data.models;

    if (activeBrand) {
      if (activeBrand === '__other__') {
        list = list.filter(m => !getBrand(m.name));
      } else {
        list = list.filter(m => getBrand(m.name)?.name === activeBrand);
      }
    }

    if (activeSite) {
      list = list.filter(m => m.accounts.some(a => a.site === activeSite));
    }

    if (search) {
      const q = search.toLowerCase();
      list = list.filter(m => m.name.toLowerCase().includes(q));
    }

    return list;
  }, [data.models, search, activeSite, activeBrand]);

  // Keep expanded detail consistent with filters (especially site filter).
  // The list-level filter uses "model has at least one account on this site" semantics;
  // once a model is shown, its detail should honor the active site as well.
  const detailModels = useMemo(() => {
    const scopedModels = activeSite ? filteredModels.map((model) => {
      const accounts = model.accounts.filter((account) => account.site === activeSite);
      const pricingSources = model.pricingSources.filter((source) => source.siteName === activeSite);
      const latencyValues = accounts
        .map((account) => account.latency)
        .filter(isKnownLatency);
      return {
        ...model,
        accounts,
        pricingSources,
        accountCount: accounts.length,
        tokenCount: accounts.reduce((sum, account) => sum + account.tokens.length, 0),
        avgLatency: latencyValues.length > 0
          ? Math.round(latencyValues.reduce((sum, latency) => sum + latency, 0) / latencyValues.length)
          : null,
      };
    }) : filteredModels;

    return [...scopedModels].sort((a, b) => compareModels(a, b, isUserView ? 'name' : sortBy, isUserView ? 'asc' : sortDir));
  }, [filteredModels, activeSite, sortBy, sortDir, isUserView]);

  /* ---- pagination ---- */
  const totalPages = Math.max(1, Math.ceil(detailModels.length / pageSize));
  const safePageVal = Math.min(page, totalPages);
  const paged = detailModels.slice((safePageVal - 1) * pageSize, safePageVal * pageSize);

  useEffect(() => { setPage(1); }, [search, activeSite, activeBrand, pageSize]);

  /* ---- stats ---- */
  const totalCoverageSlots = detailModels.reduce((s, m) => s + m.accountCount, 0);
  const uniqueAccountCount = (() => {
    const ids = new Set<number>();
    for (const model of detailModels) {
      for (const account of model.accounts) {
        ids.add(account.id);
      }
    }
    return ids.size;
  })();
  const latencyMetrics = detailModels
    .map((model) => model.avgLatency)
    .filter(isKnownLatency);
  const avgLatency = latencyMetrics.length > 0
    ? Math.round(latencyMetrics.reduce((sum, latency) => sum + latency, 0) / latencyMetrics.length)
    : null;

  /* ---- copy ---- */
  const copyName = async (name: string) => {
    try {
      await copyTextToClipboard(name);
      setCopied(name);
      toast.success(tr('已复制模型名'));
      setTimeout(() => setCopied(null), 1500);
    } catch (error: any) {
      toast.error(error?.message || tr('复制模型名失败'));
    }
  };

  const filterControls = (
    <>
      <div className="filter-panel-section">
        <div className="filter-panel-title">
          {tr('品牌')}
          {activeBrand && <button onClick={() => setActiveBrand(null)}>{tr('重置')}</button>}
        </div>
        <div
          className={`filter-item ${!activeBrand ? 'active' : ''}`}
          onClick={() => setActiveBrand(null)}
        >
          <span className="filter-item-icon" style={{ background: 'var(--color-primary-light)', color: 'var(--color-primary)' }}>✓</span>
          {tr('全部品牌')}
          <span className="filter-item-count">{data.models.length}</span>
        </div>
        {brandList.list.map(([brandName, { count, brand }]) => (
          <div
            key={brandName}
            className={`filter-item ${activeBrand === brandName ? 'active' : ''}`}
            onClick={() => setActiveBrand(activeBrand === brandName ? null : brandName)}
          >
            <span className="filter-item-icon" style={{ background: 'var(--color-bg)', borderRadius: 4, overflow: 'hidden', display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
              <BrandGlyph brand={brand} size={14} fallbackText={brandName} />
            </span>
            <span style={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{brandName}</span>
            <span className="filter-item-count">{count}</span>
          </div>
        ))}
        {brandList.otherCount > 0 && (
          <div
            className={`filter-item ${activeBrand === '__other__' ? 'active' : ''}`}
            onClick={() => setActiveBrand(activeBrand === '__other__' ? null : '__other__')}
          >
            <span className="filter-item-icon" style={{ background: 'var(--color-bg)', color: 'var(--color-text-muted)', fontSize: 10, borderRadius: 4 }}>?</span>
            {tr('其他')}
            <span className="filter-item-count">{brandList.otherCount}</span>
          </div>
        )}
      </div>

      {!isUserView && (
        <div className="filter-panel-section">
          <div className="filter-panel-title">
            {tr('供应商')}
            {activeSite && <button onClick={() => setActiveSite(null)}>{tr('重置')}</button>}
          </div>
          {siteMap.map(([site, count]) => (
            <div
              key={site}
              className={`filter-item ${activeSite === site ? 'active' : ''}`}
              onClick={() => setActiveSite(activeSite === site ? null : site)}
            >
              <span className="filter-item-icon" style={{ background: hashColor(site), color: 'white', fontSize: 9, borderRadius: 4 }}>
                {site.slice(0, 2).toUpperCase()}
              </span>
              <span style={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{site}</span>
              <span className="filter-item-count">{count}</span>
            </div>
          ))}
        </div>
      )}

      {!isUserView && <div className="filter-panel-section">
        <div className="filter-panel-title">{tr('排序方式')}</div>
        {[
          { key: 'accountCount' as SortColumn, label: tr('账号数') },
          { key: 'tokenCount' as SortColumn, label: tr('令牌数') },
          { key: 'avgLatency' as SortColumn, label: tr('延迟') },
          { key: 'successRate' as SortColumn, label: tr('成功率') },
          { key: 'name' as SortColumn, label: tr('名称') },
        ].map(opt => (
          <div
            key={opt.key}
            className={`filter-item ${sortBy === opt.key ? 'active' : ''}`}
            onClick={() => {
              if (sortBy === opt.key) {
                setSortDir(d => d === 'asc' ? 'desc' : 'asc');
              } else {
                setSortBy(opt.key);
                setSortDir(opt.key === 'name' ? 'asc' : 'desc');
              }
            }}
          >
            {opt.label}
            {sortBy === opt.key && (
              <span style={{ marginLeft: 'auto', fontSize: 11, color: 'var(--color-primary)' }}>
                {sortDir === 'desc' ? '↓' : '↑'}
              </span>
            )}
          </div>
        ))}
      </div>}
    </>
  );

  /* ---- loading skeleton ---- */
  if (loading) {
    return (
      <div className="animate-fade-in" style={{ display: 'flex', gap: 24, minHeight: 400 }}>
        {!isMobile && (
          <div style={{ width: 240 }}>
            {[...Array(6)].map((_, i) => <div key={i} className="skeleton" style={{ height: 28, marginBottom: 8, borderRadius: 8 }} />)}
          </div>
        )}
        <div style={{ flex: 1, minWidth: 0 }}>
          <div className="page-header" style={{ marginBottom: 16 }}>
            <div>
              <div className="skeleton" style={{ width: 220, height: 28, marginBottom: 8 }} />
              <div className="skeleton" style={{ width: 160, height: 16 }} />
            </div>
            <div className="page-actions">
              {isMobile && (
                <button
                  className="btn btn-ghost"
                  style={{ border: '1px solid var(--color-border)', padding: '6px 12px' }}
                  onClick={() => setShowFilters(true)}
                >
                  <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 4a1 1 0 011-1h16a1 1 0 011 1v2.586a1 1 0 01-.293.707l-6.414 6.414a1 1 0 00-.293.707V17l-4 4v-6.586a1 1 0 00-.293-.707L3.293 7.293A1 1 0 013 6.586V4z" /></svg>
                  {tr('筛选')}
                </button>
              )}
            </div>
          </div>
          <ResponsiveFilterPanel
            isMobile={isMobile}
            mobileOpen={showFilters}
            onMobileClose={() => setShowFilters(false)}
            mobileTitle={tr('筛选模型')}
            mobileContent={filterControls}
          />
          {[...Array(4)].map((_, i) => <div key={i} className="skeleton" style={{ height: 100, marginBottom: 12, borderRadius: 12 }} />)}
        </div>
      </div>
    );
  }

  return (
    <div className="animate-fade-in" style={{ display: 'flex', gap: 24, minHeight: 400 }}>
      {!isMobile && filterPanelPresence.shouldRender && (
        <div className={`filter-panel filter-collapsible ${filterPanelPresence.isVisible ? '' : 'is-closing'}`.trim()}>
          {filterControls}
          <button
            className="btn btn-ghost"
            style={{ width: '100%', fontSize: 12, padding: '6px 10px', marginTop: 8, justifyContent: 'center', border: '1px solid var(--color-border)' }}
            onClick={() => setFilterCollapsed(true)}
          >
            {tr('收起')}
          </button>
        </div>
      )}

      {/* ====== RIGHT: Content Area ====== */}
      <div style={{ flex: 1, minWidth: 0 }}>
        {/* Header */}
        <div className="page-header" style={{ marginBottom: 16 }}>
          <div>
            <h2 className="page-title" style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
              {activeBrand || activeSite || tr('模型广场')}
              <span className="badge badge-info" style={{ fontSize: 12, fontWeight: 500 }}>
                {tr('共')} {filteredModels.length} {tr('个模型')}
              </span>
            </h2>
            {(activeBrand || activeSite) && (
              <p style={{ fontSize: 12, color: 'var(--color-text-muted)', margin: '4px 0 0' }}>
                {activeBrand && activeBrand !== '__other__' ? `${tr('查看')} ${activeBrand} ${tr('品牌的所有模型')}` : activeSite ? `${tr('来自供应商')} ${activeSite} ${tr('的模型')}` : tr('其他未归类的模型')}
              </p>
            )}
          </div>
          <div className="page-actions">
            {(isMobile || filterCollapsed) && (
              <button
                className="btn btn-ghost"
                style={{ border: '1px solid var(--color-border)', padding: '6px 12px' }}
                onClick={() => {
                  if (isMobile) {
                    setShowFilters(true);
                    return;
                  }
                  setFilterCollapsed(false);
                }}
              >
                <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 4a1 1 0 011-1h16a1 1 0 011 1v2.586a1 1 0 01-.293.707l-6.414 6.414a1 1 0 00-.293.707V17l-4 4v-6.586a1 1 0 00-.293-.707L3.293 7.293A1 1 0 013 6.586V4z" /></svg>
                {tr('筛选')}
              </button>
            )}
            <button onClick={handleRefresh} className="btn btn-ghost" style={{ border: '1px solid var(--color-border)', padding: '6px 12px' }}>
              <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
              </svg>
            </button>
            {metadataHydrating && (
              <span className="badge badge-muted" style={{ fontSize: 11 }}>{tr('加载元数据中...')}</span>
            )}
            {!isMobile && (
              <div className="view-toggle">
                <button className={`view-toggle-btn ${viewMode === 'card' ? 'active' : ''}`} onClick={() => setViewMode('card')} data-tooltip={tr('卡片视图')} aria-label={tr('卡片视图')}>
                  <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 10h16M4 14h16M4 18h16" /></svg>
                </button>
                <button className={`view-toggle-btn ${viewMode === 'table' ? 'active' : ''}`} onClick={() => setViewMode('table')} data-tooltip={tr('表格视图')} aria-label={tr('表格视图')}>
                  <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 10h18M3 14h18M3 6h18M3 18h18M10 3v18M14 3v18" /></svg>
                </button>
              </div>
            )}
          </div>
        </div>

        <ResponsiveFilterPanel
          isMobile={isMobile}
          mobileOpen={showFilters}
          onMobileClose={() => setShowFilters(false)}
          mobileTitle={tr('筛选模型')}
          mobileContent={filterControls}
        />

        {/* Toolbar */}
        <div className="toolbar">
          <div className="toolbar-search">
            <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
            </svg>
            <input
              value={search}
              onChange={e => setSearch(e.target.value)}
              placeholder={tr('搜索模型（支持名称片段）')}
            />
          </div>
          {/* Quick stats */}
          {!isUserView && (
            <div style={{ display: 'flex', gap: 16, fontSize: 12, color: 'var(--color-text-muted)', alignItems: 'center' }}>
              <span data-tooltip={tr('所有模型 accountCount 累计值，同一账号在多个模型中会重复计数')}>
                {tr('覆盖档位')} <b style={{ color: 'var(--color-text-primary)' }}>{totalCoverageSlots}</b>
              </span>
              <span data-tooltip={tr('当前筛选范围内去重后的唯一账号数')}>
                {tr('去重账号')} <b style={{ color: 'var(--color-text-primary)' }}>{uniqueAccountCount}</b>
              </span>
              <span>{tr('平均延迟')} <b style={{ color: getMetricColor(avgLatency) }}>{formatLatency(avgLatency)}</b></span>
            </div>
          )}
        </div>

        {/* Empty */}
        {detailModels.length === 0 ? (
          <div className="empty-state">
            <div className="empty-state-icon">
              <svg width="40" height="40" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1} d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z" />
              </svg>
            </div>
            <div className="empty-state-title">{tr('暂无模型结果')}</div>
            <div className="empty-state-desc">{tr('请先检查站点与账号状态，然后点击刷新。')}</div>
          </div>
        ) : viewMode === 'card' ? (
          /* ====== Card View ====== */
          <div>
            {paged.map((m) => {
              const isExpanded = expanded === m.name;
              return (
              <div key={m.name} className="model-card" onClick={() => setExpanded(isExpanded ? null : m.name)}>
                <div className="model-card-header">
                  <BrandIcon model={m.name} size={44} />
                  <div className="model-card-info">
                    <div className="model-card-name">{m.name}</div>
                    <div className="model-card-meta">
                      {!isUserView && <span>
                        <svg width="12" height="12" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0z" /></svg>
                        {m.accountCount} {tr('个账号')}
                      </span>}
                      {!isUserView && <span>
                        <svg width="12" height="12" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-2.586a1 1 0 01.293-.707l5.964-5.964A6 6 0 1121 9z" /></svg>
                        {m.tokenCount} {tr('令牌')}
                      </span>}
                      <span
                        className={`badge ${getLatencyBadgeClass(m.avgLatency)}`}
                        style={{ fontVariantNumeric: 'tabular-nums' }}
                        data-tooltip={tr('平均延迟')}
                      >
                        {tr('延迟')} {formatLatency(m.avgLatency)}
                      </span>
                      <span
                        className={`badge ${getSuccessBadgeClass(m.successRate)}`}
                        style={{ fontVariantNumeric: 'tabular-nums' }}
                        data-tooltip={tr('成功率')}
                      >
                        {tr('成功率')} {m.successRate != null ? `${m.successRate}%` : '暂无'}
                      </span>
                    </div>
                  </div>
                  <div className="model-card-actions" onClick={e => e.stopPropagation()}>
                    <button
                      type="button"
                      className="model-card-action-btn"
                      data-tooltip={tr('复制模型名')}
                      aria-label={tr('复制模型名')}
                      onClick={(event) => {
                        event?.stopPropagation?.();
                        void copyName(m.name);
                      }}
                    >
                      {copied === m.name ? (
                        <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="var(--color-success)"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" /></svg>
                      ) : (
                        <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" /></svg>
                      )}
                    </button>
                    <button
                      className="model-card-action-btn"
                      data-tooltip={isExpanded ? tr('收起') : tr('展开')}
                      aria-label={isExpanded ? tr('收起') : tr('展开')}
                    >
                      <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor" style={{ transform: isExpanded ? 'rotate(180deg)' : 'none', transition: 'transform 0.2s' }}>
                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
                      </svg>
                    </button>
                  </div>
                </div>

                {/* Tags */}
                <div className="model-card-tags">
                  {getBrand(m.name) && (
                    <span className="model-tag model-tag-purple">{getBrand(m.name)!.name}</span>
                  )}
                  {!isUserView && m.accounts.map(a => a.site).filter((v, i, arr) => arr.indexOf(v) === i).map(site => (
                    <span key={site} className="model-tag model-tag-blue">{site}</span>
                  ))}
                  {m.successRate != null && m.successRate >= 90 && (
                    <span className="model-tag model-tag-green">{tr('健康')}</span>
                  )}
                  {m.successRate != null && m.successRate < 60 && (
                    <span className="model-tag model-tag-orange">{tr('风险')}</span>
                  )}
                  {isKnownLatency(m.avgLatency) && m.avgLatency <= 500 && (
                    <span className="model-tag model-tag-purple">{tr('低延迟')}</span>
                  )}
                </div>

                {/* Expand: Account Details */}
                {isExpanded ? (
                <div className="anim-collapse is-open" onClick={e => e.stopPropagation()}>
                  <div className="anim-collapse-inner">
                    <div className="model-card-expand">
                    <div style={{ display: 'grid', gap: 8, marginBottom: 10 }}>
                      <div className="card" style={{ padding: 10 }}>
                        <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 6 }}>{tr('基础信息')}</div>
                        <div style={{ fontSize: 12, color: 'var(--color-text-secondary)', lineHeight: 1.6 }}>
                          {resolveMarketplaceDescription(m, metadataHydrating)}
                        </div>
                        <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap', marginTop: 8 }}>
                          {m.tags.length > 0 ? m.tags.map((tag) => (
                            <span key={tag} className="badge badge-info">{tag}</span>
                          )) : <span className="badge badge-muted">{metadataHydrating ? tr('加载元数据中...') : tr('暂无标签')}</span>}
                        </div>
                      </div>

                      <div className="card" style={{ padding: 10 }}>
                        <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 6 }}>{tr('接口能力')}</div>
                        <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
                          {m.supportedEndpointTypes.length > 0 ? m.supportedEndpointTypes.map((endpoint) => (
                            <span key={endpoint} className="badge badge-success">{endpoint}</span>
                          )) : <span className="badge badge-muted">{metadataHydrating ? tr('加载元数据中...') : tr('未提供')}</span>}
                        </div>
                      </div>

                      {!isUserView && (
                        <div className="card" style={{ padding: 10 }}>
                          <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 6 }}>{tr('分组计费')}</div>
                          {m.pricingSources.length > 0 ? (
                            <div style={{ display: 'grid', gap: 8 }}>
                              {m.pricingSources.map((source) => (
                                <div
                                  key={`${source.siteId}-${source.accountId}`}
                                  style={{ border: '1px solid var(--color-border-light)', borderRadius: 8, padding: 8 }}
                                >
                                  <div style={{ fontSize: 12, marginBottom: 6 }}>
                              {isUserView ? tr('隐藏账号详情') : <><SiteBadgeLink siteId={source.siteId} siteName={source.siteName} badgeStyle={{ fontSize: 11 }} /> · {source.username || `ID:${source.accountId}`}</>}
                                  </div>
                                  <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
                                    {Object.entries(source.groupPricing).map(([group, pricing]) => (
                                      <span key={group} className="badge badge-info">
                                        {group}: {renderGroupPricingValue(pricing)}
                                      </span>
                                    ))}
                                  </div>
                                </div>
                              ))}
                            </div>
                          ) : (
                            <span className="badge badge-muted">{metadataHydrating ? tr('正在加载价格元数据...') : tr('暂无价格元数据')}</span>
                          )}
                        </div>
                      )}
                    </div>

                    {isUserView ? (
                      <div style={{ display: 'grid', gap: 8 }}>
                        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--color-text-secondary)' }}>{tr('品牌')}</div>
                        <div className="card" style={{ padding: 10 }}>
                          {getBrand(m.name) ? (
                            <span className="model-tag model-tag-purple">{getBrand(m.name)!.name}</span>
                          ) : (
                            <span className="badge badge-muted">{tr('未识别品牌')}</span>
                          )}
                        </div>
                      </div>
                    ) : isMobile ? (
                      <div style={{ display: 'grid', gap: 8 }}>
                        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--color-text-secondary)' }}>{tr('账号明细')}</div>
                        {m.accounts.map((a) => (
                          <div
                            key={a.id}
                            className="card"
                            style={{ padding: 10, display: 'grid', gap: 8 }}
                          >
                            <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', gap: 8, flexWrap: 'wrap' }}>
                              <SiteBadgeLink siteId={siteIdByName.get(a.site)} siteName={a.site} badgeClassName="badge badge-info" badgeStyle={{ fontSize: 11 }} />
                              <span style={{ fontSize: 12, color: 'var(--color-text-secondary)' }}>{a.username || `ID:${a.id}`}</span>
                            </div>
                            <div style={{ display: 'grid', gap: 6 }}>
                              <div style={{ display: 'flex', justifyContent: 'space-between', gap: 12, fontSize: 12 }}>
                                <span style={{ color: 'var(--color-text-muted)' }}>{tr('延迟')}</span>
                                <span style={{ color: getMetricColor(a.latency), fontVariantNumeric: 'tabular-nums' }}>
                                  {a.latency != null ? `${a.latency}ms` : '暂无'}
                                </span>
                              </div>
                              <div style={{ display: 'flex', justifyContent: 'space-between', gap: 12, fontSize: 12 }}>
                                <span style={{ color: 'var(--color-text-muted)' }}>{tr('余额')}</span>
                                <span style={{ fontVariantNumeric: 'tabular-nums' }}>${(a.balance || 0).toFixed(2)}</span>
                              </div>
                              <div style={{ display: 'grid', gap: 6 }}>
                                <span style={{ fontSize: 12, color: 'var(--color-text-muted)' }}>{tr('令牌')}</span>
                                <div style={{ display: 'flex', gap: 4, flexWrap: 'wrap' }}>
                                  {a.tokens.length > 0 ? a.tokens.map((t) => (
                                    <span key={t.id} className={`badge ${t.isDefault ? 'badge-success' : 'badge-muted'}`} style={{ fontSize: 11 }}>{t.name}</span>
                                  )) : <span style={{ color: 'var(--color-text-muted)', fontSize: 12 }}>暂无</span>}
                                </div>
                              </div>
                            </div>
                          </div>
                        ))}
                      </div>
                    ) : (
                      <table className="data-table" style={{ width: '100%' }}>
                        <thead>
                          <tr>
                            <th style={{ fontWeight: 500 }}>{tr('站点')}</th>
                            <th style={{ fontWeight: 500 }}>{tr('账号')}</th>
                            <th style={{ fontWeight: 500 }}>{tr('令牌')}</th>
                            <th style={{ fontWeight: 500 }}>{tr('延迟')}</th>
                            <th style={{ fontWeight: 500 }}>{tr('余额')}</th>
                          </tr>
                        </thead>
                        <tbody>
                          {m.accounts.map(a => (
                            <tr key={a.id}>
                              <td>{isUserView ? <span className="badge badge-muted">{tr('隐藏')}</span> : <SiteBadgeLink siteId={siteIdByName.get(a.site)} siteName={a.site} badgeClassName="badge badge-info" badgeStyle={{ fontSize: 11 }} />}</td>
                              <td style={{ fontSize: 12 }}>{isUserView ? tr('隐藏') : (a.username || `ID:${a.id}`)}</td>
                              <td style={{ display: 'flex', gap: 4, flexWrap: 'wrap' }}>
                                {a.tokens.length > 0 ? a.tokens.map(t => (
                                  <span key={t.id} className={`badge ${t.isDefault ? 'badge-success' : 'badge-muted'}`} style={{ fontSize: 11 }}>{t.name}</span>
                                )) : <span style={{ color: 'var(--color-text-muted)' }}>暂无</span>}
                              </td>
                              <td>
                                {a.latency != null ? (
                                  <span style={{ color: getMetricColor(a.latency), fontVariantNumeric: 'tabular-nums', fontSize: 12 }}>{a.latency}ms</span>
                                ) : '暂无'}
                              </td>
                              <td style={{ fontVariantNumeric: 'tabular-nums', fontSize: 12 }}>${(a.balance || 0).toFixed(2)}</td>
                            </tr>
                          ))}
                        </tbody>
                      </table>
                    )}
                    </div>
                  </div>
                </div>
                ) : null}
              </div>
              );
            })}
          </div>
        ) : (
          /* ====== Table View ====== */
          <div className="card" style={{ overflowX: 'auto' }}>
            <table className="data-table" style={{ width: '100%' }}>
              <thead>
                <tr>
                  <th style={{ width: 44 }} />
                  <th style={{ cursor: 'pointer' }} onClick={() => { setSortBy('name'); setSortDir(d => d === 'asc' ? 'desc' : 'asc'); }}>
                    {tr('模型名称')} {sortBy === 'name' ? (sortDir === 'desc' ? '↓' : '↑') : ''}
                  </th>
                  {!isUserView && (
                    <th style={{ cursor: 'pointer' }} onClick={() => { setSortBy('accountCount'); setSortDir(d => d === 'asc' ? 'desc' : 'asc'); }}>
                      {tr('账号数')} {sortBy === 'accountCount' ? (sortDir === 'desc' ? '↓' : '↑') : ''}
                    </th>
                  )}
                  {!isUserView && (
                    <th style={{ cursor: 'pointer' }} onClick={() => { setSortBy('tokenCount'); setSortDir(d => d === 'asc' ? 'desc' : 'asc'); }}>
                      {tr('令牌数')} {sortBy === 'tokenCount' ? (sortDir === 'desc' ? '↓' : '↑') : ''}
                    </th>
                  )}
                  <th style={{ cursor: 'pointer' }} onClick={() => { setSortBy('avgLatency'); setSortDir(d => d === 'asc' ? 'desc' : 'asc'); }}>
                    {tr('延迟')} {sortBy === 'avgLatency' ? (sortDir === 'desc' ? '↓' : '↑') : ''}
                  </th>
                  <th style={{ cursor: 'pointer' }} onClick={() => { setSortBy('successRate'); setSortDir(d => d === 'asc' ? 'desc' : 'asc'); }}>
                    {tr('成功率')} {sortBy === 'successRate' ? (sortDir === 'desc' ? '↓' : '↑') : ''}
                  </th>
                  <th style={{ width: 60 }}>{tr('操作')}</th>
                </tr>
              </thead>
              <tbody>
                {paged.map((m) => {
                  const isExpanded = expanded === m.name;
                  return (
                  <React.Fragment key={m.name}>
                    <tr onClick={() => setExpanded(isExpanded ? null : m.name)} style={{ cursor: 'pointer' }}>
                      <td>
                        <BrandIcon model={m.name} size={28} />
                      </td>
                      <td>
                        <code style={{ fontSize: 12, padding: '3px 8px', background: 'var(--color-bg)', borderRadius: 4, border: '1px solid var(--color-border-light)' }}>
                          {m.name}
                        </code>
                      </td>
                      {!isUserView && <td><span className="badge badge-info">{m.accountCount}</span></td>}
                      {!isUserView && <td><span className="badge badge-muted">{m.tokenCount}</span></td>}
                      <td>
                        <span
                          className={`badge ${getLatencyBadgeClass(m.avgLatency)}`}
                          style={{ fontSize: 12, fontVariantNumeric: 'tabular-nums' }}
                        >
                          {formatLatency(m.avgLatency)}
                        </span>
                      </td>
                      <td>
                        <span
                          className={`badge ${getSuccessBadgeClass(m.successRate)}`}
                          style={{ fontSize: 12, fontWeight: 600, fontVariantNumeric: 'tabular-nums' }}
                        >
                          {m.successRate != null ? `${m.successRate}%` : '暂无'}
                        </span>
                      </td>
                      <td onClick={e => e.stopPropagation()}>
                        <button
                          type="button"
                          className="model-card-action-btn"
                          data-tooltip={tr('复制')}
                          aria-label={tr('复制')}
                          onClick={(event) => {
                            event?.stopPropagation?.();
                            void copyName(m.name);
                          }}
                        >
                          {copied === m.name ? (
                            <svg width="12" height="12" fill="none" viewBox="0 0 24 24" stroke="var(--color-success)"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" /></svg>
                          ) : (
                            <svg width="12" height="12" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" /></svg>
                          )}
                        </button>
                      </td>
                    </tr>
                    {isExpanded ? (
                    <tr className="log-detail-row">
                      <td colSpan={isUserView ? 5 : 7} style={{ padding: 0 }}>
                        <div className="anim-collapse is-open">
                          <div className="anim-collapse-inner">
                            <div style={{ padding: '12px 16px 12px 54px' }}>
                            <div style={{ display: 'grid', gap: 8, marginBottom: 10 }}>
                              <div className="card" style={{ padding: 10 }}>
                                <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 6 }}>{tr('基础信息')}</div>
                                <div style={{ fontSize: 12, color: 'var(--color-text-secondary)', lineHeight: 1.6 }}>
                                  {resolveMarketplaceDescription(m, metadataHydrating)}
                                </div>
                                <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap', marginTop: 8 }}>
                                  {m.tags.length > 0 ? m.tags.map((tag) => (
                                    <span key={tag} className="badge badge-info">{tag}</span>
                                  )) : <span className="badge badge-muted">{metadataHydrating ? tr('加载元数据中...') : tr('暂无标签')}</span>}
                                </div>
                              </div>

                              <div className="card" style={{ padding: 10 }}>
                                <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 6 }}>{tr('接口能力')}</div>
                                <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
                                  {m.supportedEndpointTypes.length > 0 ? m.supportedEndpointTypes.map((endpoint) => (
                                    <span key={endpoint} className="badge badge-success">{endpoint}</span>
                                  )) : <span className="badge badge-muted">{metadataHydrating ? tr('加载元数据中...') : tr('未提供')}</span>}
                                </div>
                              </div>

                              <div className="card" style={{ padding: 10 }}>
                                <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 6 }}>{tr('分组计费')}</div>
                                {m.pricingSources.length > 0 ? (
                                  <div style={{ display: 'grid', gap: 8 }}>
                                    {m.pricingSources.map((source) => (
                                      <div
                                        key={`${source.siteId}-${source.accountId}`}
                                        style={{ border: '1px solid var(--color-border-light)', borderRadius: 8, padding: 8 }}
                                      >
                                        <div style={{ fontSize: 12, marginBottom: 6 }}>
                                          <SiteBadgeLink siteId={source.siteId} siteName={source.siteName} badgeStyle={{ fontSize: 11 }} /> · {source.username || `ID:${source.accountId}`}
                                        </div>
                                        <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
                                          {Object.entries(source.groupPricing).map(([group, pricing]) => (
                                            <span key={group} className="badge badge-info">
                                              {group}: {renderGroupPricingValue(pricing)}
                                            </span>
                                          ))}
                                        </div>
                                      </div>
                                    ))}
                                  </div>
                                ) : (
                                  <span className="badge badge-muted">{metadataHydrating ? tr('正在加载价格元数据...') : tr('暂无价格元数据')}</span>
                                )}
                              </div>
                            </div>

                            <table style={{ width: '100%', fontSize: 12, borderCollapse: 'collapse' }}>
                              <thead><tr style={{ color: 'var(--color-text-muted)' }}>
                                <th style={{ textAlign: 'left', padding: '6px 8px', fontWeight: 500 }}>{tr('站点')}</th>
                                <th style={{ textAlign: 'left', padding: '6px 8px', fontWeight: 500 }}>{tr('账号')}</th>
                                <th style={{ textAlign: 'left', padding: '6px 8px', fontWeight: 500 }}>{tr('令牌')}</th>
                                <th style={{ textAlign: 'left', padding: '6px 8px', fontWeight: 500 }}>{tr('延迟')}</th>
                                <th style={{ textAlign: 'left', padding: '6px 8px', fontWeight: 500 }}>{tr('余额')}</th>
                              </tr></thead>
                              <tbody>
                                {m.accounts.map(a => (
                                  <tr key={a.id} style={{ borderTop: '1px solid var(--color-border-light)' }}>
                                    <td style={{ padding: 8 }}><SiteBadgeLink siteId={siteIdByName.get(a.site)} siteName={a.site} badgeClassName="badge badge-info" badgeStyle={{ fontSize: 11 }} /></td>
                                    <td style={{ padding: 8 }}>{a.username || `ID:${a.id}`}</td>
                                    <td style={{ padding: 8, display: 'flex', gap: 4, flexWrap: 'wrap' }}>
                                      {a.tokens.length > 0 ? a.tokens.map(t => (
                                        <span key={t.id} className={`badge ${t.isDefault ? 'badge-success' : 'badge-info'}`}>{t.name}</span>
                                      )) : '暂无'}
                                    </td>
                                    <td style={{ padding: 8, color: a.latency != null ? getMetricColor(a.latency) : 'var(--color-text-muted)' }}>
                                      {a.latency != null ? `${a.latency}ms` : '暂无'}
                                    </td>
                                    <td style={{ padding: 8 }}>${(a.balance || 0).toFixed(2)}</td>
                                  </tr>
                                ))}
                              </tbody>
                            </table>
                            </div>
                          </div>
                        </div>
                      </td>
                    </tr>
                    ) : null}
                  </React.Fragment>
                  );
                })}
              </tbody>
            </table>
          </div>
        )}

        {/* Pagination */}
        {filteredModels.length > 0 && (
          <div className="pagination">
            <button className="pagination-btn" disabled={safePageVal <= 1} onClick={() => setPage(p => p - 1)}>
              <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" /></svg>
            </button>
            {Array.from({ length: Math.min(totalPages, 7) }, (_, i) => {
              let pageNum: number;
              if (totalPages <= 7) {
                pageNum = i + 1;
              } else if (safePageVal <= 4) {
                pageNum = i + 1;
              } else if (safePageVal >= totalPages - 3) {
                pageNum = totalPages - 6 + i;
              } else {
                pageNum = safePageVal - 3 + i;
              }
              return (
                <button key={pageNum} className={`pagination-btn ${safePageVal === pageNum ? 'active' : ''}`} onClick={() => setPage(pageNum)}>
                  {pageNum}
                </button>
              );
            })}
            <button className="pagination-btn" disabled={safePageVal >= totalPages} onClick={() => setPage(p => p + 1)}>
              <svg width="14" height="14" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" /></svg>
            </button>
            <div className="pagination-size">
              {tr('每页条数')}:
              <div style={{ minWidth: 86 }}>
                <ModernSelect
                  size="sm"
                  value={String(pageSize)}
                  onChange={(nextValue) => setPageSize(Number(nextValue))}
                  options={PAGE_SIZES.map((s) => ({ value: String(s), label: String(s) }))}
                  placeholder={String(pageSize)}
                />
              </div>
            </div>
          </div>
        )}
      </div>
    </div>
  );
}