import { useEffect, useState } from "react";
import { CheckCircle2, CircleDollarSign, Copy, Gauge, KeyRound, RefreshCw, Search, UserPlus } from "lucide-react";
import { api } from "../api";
import type { BillingSummary, BillingTrend, Invitation, Notification, Team, TeamMember, User } from "../types";
import type { Page } from "./route-config";
import { money } from "./stage-config";
import { ConfirmModal, TeamModal } from "../components/overlays";
import { CustomSelect } from "../components/custom-select";
import { Pager } from "../components/pager";

const MEMBERS_PER_PAGE = 10;
type TrendRange = "day" | "week" | "month";
const TREND_CHIPS: Array<{ key: TrendRange; label: string }> = [
  { key: "day", label: "日" },
  { key: "week", label: "周" },
  { key: "month", label: "月" },
];
const STAGE_SPEND: Array<{ key: keyof BillingTrend["by_stage"]; label: string }> = [
  { key: "video", label: "视频生成" },
  { key: "storyboard", label: "故事板" },
  { key: "base", label: "基础资产" },
  { key: "script", label: "脚本生成" },
];
// 登录地址必须是用户当前真实访问的域名(与邀请链接同源),写死的 airshelf.com 不存在 → PMC#16
function shortTs(iso?: string) {
  if (!iso) return "";
  const d = new Date(iso);
  if (Number.isNaN(d.getTime())) return iso;
  const pad = (n: number) => String(n).padStart(2, "0");
  return `${pad(d.getMonth() + 1)}.${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
}

const LOGIN_URL = `${location.origin}/login`;
const LIMIT_PRESETS = [1000, 3000, 5000, 10000, -1];

// 本地随机用户名:前缀 + 4 位数字(与 V1 设计稿一致)
function genUsername() {
  const prefixes = ["user", "team", "shop", "creator", "editor"];
  const p = prefixes[Math.floor(Math.random() * prefixes.length)];
  const n = Math.floor(1000 + Math.random() * 9000);
  return `${p}.${n}`;
}
// 本地随机密码:12 位 · 字母+数字 · 排除易混淆字符(0/O/1/l/I)
function genPassword() {
  const chars = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnpqrstuvwxyz23456789";
  let s = "";
  for (let i = 0; i < 12; i++) s += chars[Math.floor(Math.random() * chars.length)];
  return s;
}
// 千分位积分格式化(积分制:限额/已用全是积分)
function yuan(n: number, decimals = 0) {
  const fixed = n.toFixed(decimals);
  const [int, dec] = fixed.split(".");
  const grouped = int.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
  return `${grouped}${dec ? "." + dec : ""} 积分`;
}
// 复制到剪贴板:优先 navigator.clipboard,兜底 textarea + execCommand
async function copyText(text: string) {
  try {
    if (navigator.clipboard && navigator.clipboard.writeText) {
      await navigator.clipboard.writeText(text);
      return true;
    }
  } catch { /* fallthrough */ }
  const ta = document.createElement("textarea");
  ta.value = text;
  ta.style.position = "fixed";
  ta.style.opacity = "0";
  document.body.appendChild(ta);
  ta.select();
  let ok = false;
  try { ok = document.execCommand("copy"); } catch { ok = false; }
  document.body.removeChild(ta);
  return ok;
}

// 角色 → pill key/label(对齐 api-bridge roleUi)
function roleUi(role: string): { key: "super" | "admin" | "member"; label: string } {
  if (role === "owner" || role === "super") return { key: "super", label: "超管" };
  if (role === "admin") return { key: "admin", label: "团管" };
  if (role === "viewer") return { key: "member", label: "访客" };
  return { key: "member", label: "成员" };
}

const PERM_ROWS: Array<{ cap: string; cells: [string, string, string]; last?: boolean }> = [
  { cap: "邀请 / 移除成员", cells: ["✓", "✓", "—"] },
  { cap: "设置成员额度", cells: ["✓", "✓", "—"] },
  { cap: "团队充值", cells: ["✓", "—", "—"] },
  { cap: "设置月限额", cells: ["✓", "—", "—"] },
  { cap: "编辑别人项目", cells: ["✓", "✓", "—"] },
  { cap: "团队共享成品库管理", cells: ["✓", "✓", "仅自传"] },
  { cap: "查看团队消费明细", cells: ["✓", "✓", "仅自己"] },
  { cap: "创建项目 / 用 AI 流程", cells: ["✓", "✓", "✓"], last: true }
];

// 角色双卡(创建/编辑共用):成员 / 团管
const ROLE_CARDS: Array<{ value: string; title: string; desc: string }> = [
  { value: "member", title: "成员", desc: "创建项目 + 用资产" },
  { value: "admin", title: "团管", desc: "管成员 + 改额度" }
];

export function TeamPage({ team, user, billing, navigate, onCreateMember: onCreateMemberRaw, onUpdateMember: onUpdateMemberRaw, onRemoveMember: onRemoveMemberRaw, onResetPassword, onRecharge: onRechargeRaw }: {
  team: Team;
  user: User;
  billing: BillingSummary | null;
  navigate: (page: Page) => void;
  onCreateMember: (payload: { username: string; password: string; name?: string; role?: string; daily_credit_limit?: number; monthly_credit_limit?: number; total_credit_limit?: number }) => void | Promise<unknown>;
  onUpdateMember: (id: string, payload: { role?: string; daily_credit_limit?: number; monthly_credit_limit?: number; total_credit_limit?: number }) => void | Promise<unknown>;
  onRemoveMember: (id: string) => void | Promise<unknown>;
  onResetPassword: (id: string, password: string) => void | Promise<unknown>;
  onRecharge: (amount: number, bonus: number) => void | Promise<unknown>;
}) {
  const [modal, setModal] = useState<"" | "invite" | "limit" | "recharge" | "gen-invite">("");
  const [search, setSearch] = useState("");

  // 团队成员 + 团队动态本页懒加载(不再走全局 bootstrap);成员/充值操作后 bump 刷新
  const [reloadFlag, setReloadFlag] = useState(0);
  const [members, setMembers] = useState<TeamMember[]>([]);
  const [notifications, setNotifications] = useState<Notification[]>([]);
  const [notificationTotal, setNotificationTotal] = useState(0);
  useEffect(() => {
    let alive = true;
    api.teamMembers().then((m) => { if (alive) setMembers(m); }).catch(() => {});
    api.allNotifications().then((n) => { if (alive) { setNotifications(n.results); setNotificationTotal(n.count); } }).catch(() => {});
    // 月限额自取最新值:team prop 来自登录时 /me/ 快照,改完限额换页再回来会显示旧值(R72)
    api.teamSettings().then((t) => {
      if (alive) setSavedMonthlyLimit(t.monthly_credit_limit == null ? 0 : Number(t.monthly_credit_limit));
    }).catch(() => {});
    return () => { alive = false; };
  }, [reloadFlag]);
  const reloadTeam = () => setReloadFlag((n) => n + 1);
  // 包一层:操作完成后刷新本页成员列表(余额由全局 action→loadData 刷新);透传返回值(调用处据此判成功)
  const onCreateMember = async (p: Parameters<typeof onCreateMemberRaw>[0]) => { const r = await onCreateMemberRaw(p); reloadTeam(); return r; };
  const onUpdateMember = async (id: string, p: Parameters<typeof onUpdateMemberRaw>[1]) => { const r = await onUpdateMemberRaw(id, p); reloadTeam(); return r; };
  const onRemoveMember = async (id: string) => { const r = await onRemoveMemberRaw(id); reloadTeam(); return r; };
  const onRecharge = async (amount: number, bonus: number) => { const r = await onRechargeRaw(amount, bonus); reloadTeam(); return r; };
  // 积分汇率(积分/¥):充值 hint 与后端到账口径同源,汇率改配后不写死 ×10
  const [pointsRate, setPointsRate] = useState(10);
  useEffect(() => {
    void api.billingConfig().then((cfg) => setPointsRate(Number(cfg.points_per_yuan) || 10)).catch(() => undefined);
  }, []);

  const [trendRange, setTrendRange] = useState<TrendRange>("day");
  const [trend, setTrend] = useState<BillingTrend | null>(null);
  useEffect(() => {
    let alive = true;
    api.billingTrend(trendRange).then((d) => { if (alive) setTrend(d); }).catch(() => {});
    return () => { alive = false; };
  }, [trendRange]);

  // 创建账户表单
  const [cuUser, setCuUser] = useState("");
  const [cuPass, setCuPass] = useState("");
  const [cuName, setCuName] = useState("");
  const [cuRole, setCuRole] = useState("member");
  const [cuDaily, setCuDaily] = useState("100");
  const [cuMonthly, setCuMonthly] = useState("100"); // 新成员默认月度限额 100(PMC#3)
  const [cuTotal, setCuTotal] = useState("-1");

  // 编辑成员
  const [editTarget, setEditTarget] = useState<TeamMember | null>(null);
  const [edRole, setEdRole] = useState("member");
  const [edDaily, setEdDaily] = useState("");
  const [edMonthly, setEdMonthly] = useState("");
  const [edTotal, setEdTotal] = useState("-1");

  // 重置密码
  const [resetTarget, setResetTarget] = useState<TeamMember | null>(null);
  const [resetPwd, setResetPwd] = useState("");

  // 移除成员
  const [removeTarget, setRemoveTarget] = useState<TeamMember | null>(null);

  // 团队充值
  const [rechargeAmt, setRechargeAmt] = useState("500");

  // 设置月限额:savedMonthlyLimit 持久化已保存值(-1=不限,0=未设置/跟成员累加),limitVal 为弹窗编辑中间态
  // 初值取后端团队设置(team.monthly_credit_limit:null=未设置→0),刷新后不再丢(PMC#12)
  const [savedMonthlyLimit, setSavedMonthlyLimit] = useState(
    team.monthly_credit_limit == null ? 0 : Number(team.monthly_credit_limit),
  );
  const [limitVal, setLimitVal] = useState("3000");
  const [limitBusy, setLimitBusy] = useState(false);
  // team prop 异步刷新(/me/ 回来)后同步已保存月限额
  useEffect(() => {
    setSavedMonthlyLimit(team.monthly_credit_limit == null ? 0 : Number(team.monthly_credit_limit));
  }, [team.monthly_credit_limit]);

  // 保存团队月限额:乐观更新 + 落库;失败回滚到原值(PMC#12)
  async function saveLimit() {
    const v = limitVal.trim() === "" ? -1 : Number(limitVal);
    if (Number.isNaN(v)) return;
    const prev = savedMonthlyLimit;
    setSavedMonthlyLimit(v);
    setLimitBusy(true);
    try {
      const updated = await api.updateTeamSettings({ monthly_credit_limit: v });
      // 以后端回传的落库值为准(消费页同源读 teamSettings,保证两页立即一致 · R72)
      setSavedMonthlyLimit(updated.monthly_credit_limit == null ? 0 : Number(updated.monthly_credit_limit));
      setModal("");
    } catch {
      setSavedMonthlyLimit(prev); // 落库失败回滚,避免显示假成功
    } finally {
      setLimitBusy(false);
    }
  }

  // 分享凭据弹窗(创建成功 / 重置成功后弹):captured creds(仅展示一次)
  const [share, setShare] = useState<{ mode: "create" | "reset"; name: string; username: string; password: string } | null>(null);

  // 邀请码生成(凭码注册即加入本团队,不重复发额度)
  const [invRole, setInvRole] = useState("member");
  const [invMonthly, setInvMonthly] = useState("2000");
  const [inviteResult, setInviteResult] = useState<Invitation | null>(null);
  const [inviteBusy, setInviteBusy] = useState(false);
  const [inviteErr, setInviteErr] = useState("");

  const rows: TeamMember[] = members.length
    ? members
    : [{ id: "owner", role: "owner", status: "active", monthly_credit_limit: "0", user } as TeamMember];

  // 统计 · 对齐 api-bridge renderLiveTeamPayload
  const balance = Number(billing?.account.balance || 0);
  const used = Number(billing?.charged_total || 0);
  const teamLimit = Number(limitVal) >= 0 ? Number(limitVal) : -1;
  // limit:优先用已保存的团队月限额(savedMonthlyLimit !== 0);-1 表示不限(显示余额);未设置则用成员额度累加
  const memberLimitSum = rows.reduce((sum, member) => sum + Math.max(0, Number(member.monthly_credit_limit || 0)), 0);
  const limit = savedMonthlyLimit === -1 ? balance : (savedMonthlyLimit > 0 ? savedMonthlyLimit : (memberLimitSum || balance));
  const left = Math.max(0, limit - used);
  const pct = limit > 0 ? Math.min(100, (used / limit) * 100) : 0;
  // 月限额弹窗实时剩余(按弹窗内输入值预演)
  const limitInputNum = limitVal.trim() === "" ? teamLimit : Number(limitVal);
  const limitLeftPreview = limitInputNum < 0 ? null : limitInputNum - used;

  // 团队动态:取最近 6 条真实通知
  const feedItems = [...notifications]
    .sort((a, b) => new Date(b.created_at).getTime() - new Date(a.created_at).getTime())
    .slice(0, 6);

  const needle = search.trim().toLowerCase();
  const list = rows.filter((member) => {
    const name = member.user.username || "";
    const email = member.user.email || "";
    return !needle || `${name} ${email}`.toLowerCase().includes(needle);
  });
  // 成员分页:每页 10 人,搜索变化回第 1 页
  const [memberPage, setMemberPage] = useState(1);
  useEffect(() => { setMemberPage(1); }, [search]);
  const memberTotalPages = Math.max(1, Math.ceil(list.length / MEMBERS_PER_PAGE));
  const memberCurPage = Math.min(memberPage, memberTotalPages);
  const pagedMembers = list.slice((memberCurPage - 1) * MEMBERS_PER_PAGE, memberCurPage * MEMBERS_PER_PAGE);

  const daily = trend?.daily ?? [];
  const peak = Number(trend?.peak || 0);
  const stageSpend = STAGE_SPEND.map((s) => ({ ...s, amount: Number(trend?.by_stage[s.key] || 0) }));
  const stageSum = stageSpend.reduce((s, x) => s + x.amount, 0);
  const topStage = stageSpend.reduce((a, b) => (b.amount > a.amount ? b : a), stageSpend[0]);
  const topPct = stageSum > 0 ? Math.round((topStage.amount / stageSum) * 100) : 0;

  function openCreate() {
    // 打开时预填随机用户名 + 随机密码,用户可改
    setCuUser((v) => v || genUsername());
    setCuPass((v) => v || genPassword());
    setModal("invite");
  }

  function openEdit(member: TeamMember) {
    setEditTarget(member);
    setEdRole(member.role === "owner" ? "admin" : member.role || "member");
    // 回填该成员当前三档真实额度(0=不限 → 输入框留空)
    setEdDaily(Number(member.daily_credit_limit || 0) > 0 ? String(Number(member.daily_credit_limit)) : "");
    setEdMonthly(Number(member.monthly_credit_limit || 0) > 0 ? String(Number(member.monthly_credit_limit)) : "");
    setEdTotal(Number(member.total_credit_limit || 0) > 0 ? String(Number(member.total_credit_limit)) : "");
  }

  function openLimit() {
    // 打开时回填已保存的团队月限额;若未设置则 fallback 成员累加值或默认 3000
    const current = savedMonthlyLimit !== 0 ? savedMonthlyLimit : (limit > 0 ? Math.round(limit) : 3000);
    setLimitVal(String(current));
    setModal("limit");
  }

  async function submitCreate() {
    const username = cuUser.trim();
    if (!username || cuPass.length < 8) return;
    const created = await onCreateMember({
      username,
      password: cuPass,
      name: cuName.trim() || undefined,
      role: cuRole,
      // 三档额度均真实入库:-1/空 = 不限(后端归一成 0)。PMC#17/#18
      daily_credit_limit: cuDaily.trim() === "" ? -1 : Number(cuDaily),
      monthly_credit_limit: cuMonthly.trim() === "" ? -1 : Number(cuMonthly),
      total_credit_limit: cuTotal.trim() === "" ? -1 : Number(cuTotal)
    });
    // 创建失败(action 报错返回 null)时保持弹窗与已填内容,只成功才关闭并清空
    if (!created) return;
    // 弹分享凭据(凭据仅展示一次,关弹窗后清空表单)
    setShare({ mode: "create", name: cuName.trim() || username, username, password: cuPass });
    setModal("");
    setCuUser("");
    setCuPass("");
    setCuName("");
    setCuRole("member");
    setCuDaily("100");
    setCuMonthly("2000");
    setCuTotal("-1");
  }

  async function submitEdit() {
    if (!editTarget) return;
    // 三档额度均下发:留空 = 不限(-1,后端归一成 0)。PMC#17/#18
    await onUpdateMember(editTarget.id, {
      role: edRole,
      daily_credit_limit: edDaily.trim() === "" ? -1 : Number(edDaily),
      monthly_credit_limit: edMonthly.trim() === "" ? -1 : Number(edMonthly),
      total_credit_limit: edTotal.trim() === "" ? -1 : Number(edTotal)
    });
    setEditTarget(null);
  }

  async function submitReset() {
    if (!resetTarget || resetPwd.length < 8) return;
    const target = resetTarget;
    const pwd = resetPwd;
    const r = await onResetPassword(target.id, pwd);
    if (r === null) return; // 失败保留弹窗
    // 复用分享凭据弹窗回显新密码,便于同步给成员
    setShare({ mode: "reset", name: target.user.username || target.user.email || "成员", username: target.user.username || target.user.email || "", password: pwd });
    setResetTarget(null);
    setResetPwd("");
  }

  async function submitRemove() {
    if (!removeTarget) return;
    await onRemoveMember(removeTarget.id);
    setRemoveTarget(null);
  }

  async function submitRecharge() {
    const amt = Number(rechargeAmt) || 0;
    if (amt <= 0) return;
    await onRecharge(amt, 0);
    setModal("");
  }

  return (
    <section className="team-page">
      <div className="team-inner">
      <div className="page-head">
        <div>
          <h1>团队中心</h1>
          <div className="sub">在一个页面管理成员协作与额度消费</div>
        </div>
        <div className="actions">
          <button className="tc-ghost" type="button" id="open-gen-invite" onClick={() => { setInviteResult(null); setInviteErr(""); setModal("gen-invite"); }}>
            <UserPlus size={18} />邀请成员
          </button>
          <button className="tc-ghost" type="button" id="open-invite" onClick={openCreate}>
            <UserPlus size={18} />创建账户
          </button>
          <button className="tc-primary" type="button" onClick={() => setModal("recharge")}>
            <CircleDollarSign size={18} />充值
          </button>
        </div>
      </div>

      <div className="tc-hero">
        <div className="tc-identity">
          <div>
            <span className="tc-team-tag">TEAM</span>
            <h2>{team.name}</h2>
            <p>企业团队 · {rows.length} 名成员</p>
          </div>
          <p>团队 ID：{team.id}</p>
        </div>
        <div className="tc-metric">
          <span>团队余额</span>
          <strong>{money(balance)}</strong>
          <small>团队总池</small>
        </div>
        <div className="tc-metric">
          <span>月限额</span>
          <strong id="stat-limit">{money(limit)}</strong>
          <small>自然月重置</small>
        </div>
        <div className="tc-metric">
          <span>当月已用</span>
          <strong id="stat-used">{money(used)}</strong>
          <small>使用率 {pct.toFixed(1)}%</small>
        </div>
        <div className="tc-metric">
          <span>当月剩余</span>
          <strong id="stat-left">{money(left)}</strong>
          <small>还可生成约 {Math.max(0, Math.round(left / 10))} 个项目</small>
        </div>
      </div>

      <section className="tc-section" aria-labelledby="teamCollaborationTitle">
        <div className="tc-section-title">
          <div>
            <h2 id="teamCollaborationTitle">成员与团队动态</h2>
            <p>成员权限和最近协作记录</p>
          </div>
          <button className="tc-compact tc-compact-klein" type="button" id="viewAllMessages" onClick={() => navigate("messages")}>查看全部消息</button>
        </div>
        <div className="tc-grid">
          <div className="tc-panel">
            <div className="tc-panel-head">
              <h2>成员列表</h2>
              <label className="tc-search">
                <Search size={16} />
                <input id="member-search" placeholder="搜索姓名 / 手机号" value={search} onChange={(event) => setSearch(event.target.value)} />
              </label>
            </div>
            <div className="tc-row tc-row-head">
              <span>成员</span>
              <span>角色</span>
              <span>每日额度</span>
              <span>月额度</span>
              <span>总额度</span>
              <span>当月已用</span>
              <span>操作</span>
            </div>
            {pagedMembers.map((member) => {
              const rawName = (member.user.username || "").trim();
              const email = (member.user.email || "").trim();
              const displayName = rawName && !rawName.includes("@") ? rawName : (email ? email.split("@")[0] : (rawName || "成员"));
              const showEmail = !!email && email.toLowerCase() !== displayName.toLowerCase();
              const role = roleUi(member.role);
              const dailyLimit = Number(member.daily_credit_limit || 0);
              const totalLimit = Number(member.total_credit_limit || 0);
              const dayUsed = Number(member.day_charged || 0);
              const totalUsed = Number(member.total_charged || 0);
              const monthly = Number(member.monthly_credit_limit || 0);
              const memberUsed = Number(member.month_charged || 0);
              const quotaDenom = monthly > 0 ? monthly : limit;
              const memberPct = quotaDenom > 0 ? Math.min(100, (memberUsed / quotaDenom) * 100) : 0;
              const barWidth = memberUsed > 0 ? Math.max(memberPct, 3) : 0;
              const barClass = memberPct >= 80 ? "warn" : "ok";
              const isOwner = member.role === "owner";
              return (
                <div className="tc-row" key={member.id} data-id={member.id}>
                  <div className="tc-person">
                    <div className="tc-avatar">{displayName.slice(0, 1).toUpperCase()}</div>
                    <div>
                      <strong>{displayName}</strong>
                      <span>{showEmail ? email : team.name}</span>
                    </div>
                  </div>
                  <span className={`tc-tag tc-tag-${role.key}`}>{role.label}</span>
                  <span className="tc-quota">{dailyLimit > 0 ? money(dailyLimit) : "不限"}{dailyLimit > 0 ? ` · 今日 ${money(dayUsed)}` : ""}</span>
                  <span>{monthly > 0 ? money(monthly) : "不限"}</span>
                  <span className="tc-quota">{totalLimit > 0 ? money(totalLimit) : "不限"}{totalLimit > 0 ? ` · 累计 ${money(totalUsed)}` : ""}</span>
                  <div className="tc-used">
                    <strong>{money(memberUsed)}</strong>
                    <div className="used-bar"><span className={barClass} style={{ width: `${barWidth}%` }} /></div>
                  </div>
                  <div className="tc-acts">{isOwner
                    ? <span className="tc-muted">不可编辑</span>
                    : <>
                        <button className="tc-icon" type="button" title="编辑" onClick={() => openEdit(member)}><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" /><path d="M18.5 2.5a2.12 2.12 0 0 1 3 3L12 15l-4 1 1-4z" /></svg></button>
                        <button className="tc-icon" type="button" title="重置密码" onClick={() => { setResetTarget(member); setResetPwd(genPassword()); }}><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="11" width="18" height="11" rx="2" /><path d="M7 11V7a5 5 0 0 1 10 0v4" /></svg></button>
                        <button className="tc-icon danger" type="button" title="移出" onClick={() => setRemoveTarget(member)}><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><path d="M3 6h18M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2" /></svg></button>
                      </>}</div>
                </div>
              );
            })}
            <Pager page={memberCurPage} total={list.length} pageSize={MEMBERS_PER_PAGE} onChange={setMemberPage} />
          </div>

          <div className="tc-panel">
            <div className="tc-panel-head">
              <h2>最近动态</h2>
              <span className="tc-tag">{notificationTotal || feedItems.length} 条</span>
            </div>
            <div className="tc-activity">
              {feedItems.length === 0 ? (
                <div className="tc-activity-item">
                  <span className="tc-dot" />
                  <div>
                    <p><strong>{team.name}</strong> 暂无团队动态</p>
                    <span>已同步 {rows.length} 名成员</span>
                  </div>
                </div>
              ) : (
                feedItems.map((n) => (
                  <div className="tc-activity-item" key={n.id}>
                    <span className="tc-dot" />
                    <div>
                      <p><strong>{n.owner_label || n.source || "系统"}</strong> {n.title}</p>
                      <span>{shortTs(n.created_at)}{n.cost_label ? ` · ${n.cost_label}` : ""}{n.project_name ? ` · ${n.project_name}` : ""}</span>
                    </div>
                  </div>
                ))
              )}
            </div>
          </div>
        </div>
      </section>

      <section className="tc-section" aria-labelledby="teamConsumptionTitle">
        <div className="tc-section-title">
          <div>
            <h2 id="teamConsumptionTitle">消费概览</h2>
            <p>{trendRange === "week" ? "近 8 周" : trendRange === "month" ? "近 6 个月" : "近 14 天"} · 单位：积分</p>
          </div>
          <button className="tc-compact" type="button" id="open-limit" onClick={openLimit}>
            <Gauge size={16} />设置月限额
          </button>
        </div>
        <div className="tc-panel">
          <div className="tc-panel-head">
            <h2>消费趋势</h2>
            <div className="tc-segmented">
              {TREND_CHIPS.map((chip) => (
                <button
                  key={chip.key}
                  type="button"
                  className={`tc-seg${trendRange === chip.key ? " active" : ""}`}
                  onClick={() => setTrendRange(chip.key)}
                >
                  {chip.label}
                </button>
              ))}
            </div>
          </div>
          <div className="tc-summary">
            <div>
              <span>本月已用</span>
              <strong id="stat-used-sub">{money(used)}</strong>
            </div>
            <div>
              <span>本月剩余</span>
              <strong id="stat-left-sub">{money(left)}</strong>
            </div>
            <div>
              <span>主要消耗</span>
              <strong>{stageSum > 0 ? `${topStage.label} ${topPct}%` : "暂无消耗"}</strong>
            </div>
          </div>
          <div className="tc-chart">
            {daily.length === 0 ? (
              <div className="tc-chart-empty">暂无消费记录</div>
            ) : daily.map((d) => {
              const amt = Number(d.amount);
              const h = peak > 0 ? Math.max(amt > 0 ? 8 : 4, (amt / peak) * 100) : 8;
              return (
                <div className="tc-bar-group" key={d.date} title={`${d.label} · ${money(amt)}`}>
                  <strong className="tc-bar-value">{amt > 0 ? Math.round(amt) : ""}</strong>
                  <div className="tc-bar" style={{ height: `${h}%` }} />
                  <span>{d.label}</span>
                </div>
              );
            })}
          </div>
        </div>
      </section>

      <section className="tc-section" aria-labelledby="teamPermTitle">
        <div className="tc-section-title">
          <div>
            <h2 id="teamPermTitle">角色权限</h2>
            <p>超管 / 团管 / 成员能力对照</p>
          </div>
        </div>
        <div className="tc-panel tc-perm-panel">
          <table className="perm-table">
            <thead>
              <tr><th>能力</th><th>超管</th><th>团管</th><th>成员</th></tr>
            </thead>
            <tbody>
              {PERM_ROWS.map((row) => (
                <tr key={row.cap}>
                  <td>{row.cap}</td>
                  {row.cells.map((cell, index) => (
                    <td key={index} className={cell === "✓" ? "yes" : "no"}>{cell}</td>
                  ))}
                </tr>
              ))}
            </tbody>
          </table>
        </div>
      </section>
      </div>

      {/* 设置月限额(团队级)· 预设 pill + 实时剩余 */}
      <TeamModal
        open={modal === "gen-invite"}
        title="邀请成员"
        subtitle="生成邀请码 · 新成员凭码注册即加入本团队"
        icon={<UserPlus size={16} />}
        close={() => setModal("")}
        dismissable={false}
        footer={inviteResult
          ? <button className="btn btn-primary" type="button" onClick={() => setModal("")}>完成</button>
          : <button className="btn btn-primary" type="button" disabled={inviteBusy} onClick={() => {
              if (inviteBusy) return;
              setInviteBusy(true);
              setInviteErr("");
              api.createInvitation({ role: invRole, monthly_credit_limit: invMonthly || 0 })
                .then((inv) => setInviteResult(inv))
                .catch((err) => setInviteErr(err instanceof Error ? err.message : "生成失败,请稍后重试"))
                .finally(() => setInviteBusy(false));
            }}>{inviteBusy ? "生成中…" : "生成邀请码"}</button>}
      >
        <div className="invite-gen-modal">
          {!inviteResult ? (
            <>
              <div className="field">
                <label className="field-label">成员角色</label>
                <CustomSelect
                  fill
                  value={invRole}
                  onChange={setInvRole}
                  options={[
                    { value: "member", label: "成员 · 可用生成,不可管理团队" },
                    { value: "admin", label: "团队管理员 · 可管成员/额度/邀请" },
                  ]}
                />
              </div>
              <div className="field" style={{ marginBottom: 0 }}>
                <label className="field-label">月限额(积分)<span className="lbl-note">(-1 为不限)</span></label>
                <input className="input num-input" type="number" inputMode="numeric" placeholder="例: 2000" value={invMonthly} onChange={(e) => setInvMonthly(e.target.value)} />
              </div>
              {inviteErr && <div className="form-error" role="alert" style={{ marginTop: 12 }}>{inviteErr}</div>}
            </>
          ) : (
            <div className="cred-card">
              <div className="cred-row">
                <div><div className="ck">邀请码</div><div className="cv">{inviteResult.code}</div></div>
                <button className="cred-copy" type="button" onClick={() => navigator.clipboard?.writeText(inviteResult.code)}><Copy size={13} /> 复制</button>
              </div>
              <div className="cred-row">
                <div><div className="ck">邀请链接</div><div className="cv">{`${location.origin}${inviteResult.register_url}`}</div></div>
                <button className="cred-copy" type="button" onClick={() => navigator.clipboard?.writeText(`${location.origin}${inviteResult.register_url}`)}><Copy size={13} /> 复制</button>
              </div>
              <div className="cred-rules">角色 {invRole === "admin" ? "团队管理员" : "成员"} · 7 天有效 · 凭码注册即加入,不重复发额度</div>
            </div>
          )}
        </div>
      </TeamModal>

      <TeamModal
        open={modal === "limit"}
        title="设置月限额"
        subtitle="自然月重置 · 仅超管可改"
        icon={<CircleDollarSign size={16} />}
        close={() => setModal("")}
        dismissable={false}
        footer={<button className="btn btn-primary" type="button" disabled={limitBusy} onClick={saveLimit}>{limitBusy ? "保存中…" : "保存"}</button>}
      >
        <div className="limit-modal">
          <div className="field">
            <label className="field-label">月限额(积分)<span className="lbl-note">(-1 为不限)</span></label>
            <input className="input num-input" type="number" inputMode="numeric" placeholder="例: 3000" value={limitVal} onChange={(e) => setLimitVal(e.target.value)} />
          </div>
          <div className="field" style={{ marginBottom: 0 }}>
            <label className="field-label">快捷选择</label>
            <div className="limit-presets">
              {LIMIT_PRESETS.map((v) => (
                <button key={v} type="button" className={`lp${Number(limitVal) === v ? " selected" : ""}`} onClick={() => setLimitVal(String(v))}>
                  {v < 0 ? "不限" : yuan(v)}
                </button>
              ))}
            </div>
          </div>
          <div className="limit-info">
            <div className="li-row"><span className="lk">当月已用</span><span className="lv mono">{yuan(used, 2)}</span></div>
            <div className="li-row"><span className="lk">本次调整后剩余</span><span className={`lv mono${limitLeftPreview != null && limitLeftPreview < 0 ? " neg" : ""}`}>{limitLeftPreview == null ? "不限" : yuan(limitLeftPreview, 2)}</span></div>
          </div>
        </div>
      </TeamModal>

      {/* 创建账户 · 用户名/密码 + 随机生成 · 角色双卡 · 三档额度 */}
      <TeamModal
        open={modal === "invite"}
        title="创建账户"
        subtitle="直接生成账号 · 分享给成员登录"
        icon={<UserPlus size={16} />}
        close={() => setModal("")}
        footer={<button className="btn btn-primary" type="button" onClick={submitCreate}>创建账户</button>}
        dismissable={false}
      >
        <div className="create-acct-modal">
          <div className="field">
            <label className="field-label">用户名 <span className="req">*</span></label>
            <div className="input-with-gen">
              <input className="input" autoComplete="off" placeholder="例: zhang.yunying" value={cuUser} onChange={(e) => setCuUser(e.target.value)} />
              <button className="btn btn-sm" type="button" title="生成随机用户名" onClick={() => setCuUser(genUsername())}><RefreshCw size={13} /></button>
            </div>
          </div>
          <div className="field">
            <label className="field-label">备注姓名(可选)</label>
            <input className="input" placeholder="例: 张某" value={cuName} onChange={(e) => setCuName(e.target.value)} />
          </div>
          <div className="field">
            <label className="field-label">登录密码 <span className="req">*</span></label>
            <div className="input-with-gen">
              <input className="input mono pw-input" autoComplete="off" placeholder="≥ 8 位 · 含字母与数字" value={cuPass} onChange={(e) => setCuPass(e.target.value)} />
              <button className="btn btn-sm" type="button" title="生成随机密码" onClick={() => setCuPass(genPassword())}><RefreshCw size={13} /></button>
            </div>
          </div>
          <div className="field">
            <label className="field-label">分配角色 <span className="req">*</span></label>
            <div className="role-choices">
              {ROLE_CARDS.map((rc) => (
                <div key={rc.value} className={`role-choice${cuRole === rc.value ? " selected" : ""}`} onClick={() => setCuRole(rc.value)}>
                  <div className="title">{rc.title}</div>
                  <div className="desc">{rc.desc}</div>
                </div>
              ))}
            </div>
          </div>
          <div className="field" style={{ marginBottom: 0 }}>
            <label className="field-label">额度配置 <span className="lbl-note">(积分 · -1 为不限)</span></label>
            <div className="quota-grid">
              <label className="quota-cell">
                <span className="qk">每日额度(积分)</span>
                <input className="input num-input" type="number" inputMode="numeric" value={cuDaily} onChange={(e) => setCuDaily(e.target.value)} />
              </label>
              <label className="quota-cell">
                <span className="qk">每月额度(积分)</span>
                <input className="input num-input" type="number" inputMode="numeric" value={cuMonthly} onChange={(e) => setCuMonthly(e.target.value)} />
              </label>
              <label className="quota-cell">
                <span className="qk">总额度(积分)</span>
                <input className="input num-input" type="number" inputMode="numeric" value={cuTotal} onChange={(e) => setCuTotal(e.target.value)} />
              </label>
            </div>
          </div>
        </div>
      </TeamModal>

      {/* 分享凭据 · 创建成功 / 重置成功后弹绿勾 + cred-card + 单项/一键复制 */}
      <TeamModal
        open={!!share}
        title={share?.mode === "reset" ? "密码已重置" : "账户已创建"}
        subtitle={share?.mode === "reset" ? `把新凭据分享给 ${share?.name} · 旧密码已失效` : "把下方凭据分享给成员 · 凭据仅展示一次"}
        icon={<CheckCircle2 size={16} />}
        close={() => setShare(null)}
        footer={<button className="btn btn-primary" type="button" onClick={() => setShare(null)}>完成</button>}
      >
        <div className="share-acct-modal">
          <div className="cred-card">
            <div className="cred-row">
              <span className="ck">登录地址</span>
              <span className="cv mono">{LOGIN_URL}</span>
              <button className="cred-copy" type="button" title="复制" onClick={() => copyText(LOGIN_URL)}><Copy size={13} /></button>
            </div>
            <div className="cred-row">
              <span className="ck">用户名</span>
              <span className="cv mono">{share?.username}</span>
              <button className="cred-copy" type="button" title="复制" onClick={() => copyText(share?.username || "")}><Copy size={13} /></button>
            </div>
            <div className="cred-row">
              <span className="ck">{share?.mode === "reset" ? "新密码" : "初始密码"}</span>
              <span className="cv mono">{share?.password}</span>
              <button className="cred-copy" type="button" title="复制" onClick={() => copyText(share?.password || "")}><Copy size={13} /></button>
            </div>
          </div>
          <div className="cred-rules">
            <div className="li">建议成员首次登录后立即修改密码</div>
            <div className="li">凭据请通过加密渠道(企微 / 飞书私聊)分享,不要发到公共群</div>
          </div>
          <div className="cred-copy-all">
            <button className="btn btn-sm" type="button" onClick={() => copyText(`登录地址: ${LOGIN_URL}\n用户名: ${share?.username}\n${share?.mode === "reset" ? "新密码" : "初始密码"}: ${share?.password}`)}>
              <Copy size={13} /> 一键复制全部
            </button>
          </div>
        </div>
      </TeamModal>

      {/* 团队充值 */}
      <TeamModal
        open={modal === "recharge"}
        title="团队充值"
        subtitle="充值后立即到账 · 仅超管可操作"
        icon={<CircleDollarSign size={16} />}
        close={() => setModal("")}
        dismissable={false}
        footer={<button className="btn btn-primary" type="button" onClick={submitRecharge}>确认充值</button>}
      >
        <div className="field"><label className="field-label">充值金额 ¥</label><input className="input num-input" type="number" value={rechargeAmt} onChange={(e) => setRechargeAmt(e.target.value)} placeholder="最低 ¥50" /><div className="field-hint">到账积分 = 支付金额 × {pointsRate}(当前汇率)</div></div>
      </TeamModal>

      {/* 编辑成员 · 角色双卡 + 三档额度 */}
      <TeamModal
        open={!!editTarget}
        title="编辑成员"
        subtitle={editTarget ? `${editTarget.user.username || editTarget.user.email}` : ""}
        icon={<UserPlus size={16} />}
        close={() => setEditTarget(null)}
        footer={<button className="btn btn-primary" type="button" onClick={submitEdit}>保存</button>}
        dismissable={false}
      >
        <div className="edit-member-modal">
          <div className="field">
            <label className="field-label">用户名 <span className="lbl-note">(无权修改)</span></label>
            <input className="input readonly-input" readOnly tabIndex={-1} value={editTarget?.user.username || editTarget?.user.email || ""} />
          </div>
          <div className="field">
            <label className="field-label">角色 <span className="lbl-note">(可改)</span></label>
            <div className="role-choices">
              {ROLE_CARDS.map((rc) => (
                <div key={rc.value} className={`role-choice${edRole === rc.value ? " selected" : ""}`} onClick={() => setEdRole(rc.value)}>
                  <div className="title">{rc.title}</div>
                  <div className="desc">{rc.desc}</div>
                </div>
              ))}
            </div>
          </div>
          <div className="field">
            <label className="field-label">每日额度(积分)<span className="lbl-note">(-1 为不限)</span></label>
            <input className="input num-input" type="number" inputMode="numeric" placeholder="例: 100" value={edDaily} onChange={(e) => setEdDaily(e.target.value)} />
          </div>
          <div className="field">
            <label className="field-label">每月额度(积分)<span className="lbl-note">(-1 为不限)</span></label>
            <input className="input num-input" type="number" inputMode="numeric" placeholder="例: 2000" value={edMonthly} onChange={(e) => setEdMonthly(e.target.value)} />
          </div>
          <div className="field" style={{ marginBottom: 0 }}>
            <label className="field-label">总额度(积分)<span className="lbl-note">(-1 为不限)</span></label>
            <input className="input num-input" type="number" inputMode="numeric" placeholder="例: -1" value={edTotal} onChange={(e) => setEdTotal(e.target.value)} />
          </div>
        </div>
      </TeamModal>

      {/* 重置密码 · 警示框 + 密码输入 + 随机生成 */}
      <TeamModal
        open={!!resetTarget}
        title="重置登录密码"
        subtitle="该成员当前会话会被强制下线"
        icon={<KeyRound size={16} />}
        close={() => setResetTarget(null)}
        footer={<button className="btn btn-primary" type="button" onClick={submitReset}>确认重置</button>}
        dismissable={false}
      >
        <div className="reset-pwd-modal">
          <div className="reset-pwd-warn">
            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.7" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="9" /><path d="M12 8v4M12 16h.01" /></svg>
            <span>旧密码即刻失效,{resetTarget ? `「${resetTarget.user.username || resetTarget.user.email}」` : "该成员"}需用新密码重新登录</span>
          </div>
          <div className="field" style={{ marginBottom: 0 }}>
            <label className="field-label">新密码</label>
            <div className="input-with-gen">
              <input className="input mono pw-input" autoComplete="off" placeholder="≥ 8 位 · 含字母与数字" value={resetPwd} onChange={(e) => setResetPwd(e.target.value)} />
              <button className="btn btn-sm" type="button" title="生成随机密码" onClick={() => setResetPwd(genPassword())}><RefreshCw size={13} /></button>
            </div>
          </div>
        </div>
      </TeamModal>

      {/* 移除成员确认 */}
      <ConfirmModal
        open={!!removeTarget}
        title="移除成员"
        detail={removeTarget ? `确认将「${removeTarget.user.username || removeTarget.user.email}」移出团队?移除后该成员将失去登录与访问权限。` : ""}
        confirmText="移除"
        onCancel={() => setRemoveTarget(null)}
        onConfirm={submitRemove}
        dismissable={false}
      />
    </section>
  );
}