import React, { useEffect, useMemo, useRef, useState, useCallback } from 'react';
import { Link } from 'react-router-dom';
import {
    createTradeOrder,
    getTradeBalance,
    getPortfolio,
    addPortfolio,
    updatePortfolio,
    deletePortfolio,
    upsertCash,
    deleteCash,
    getFearAndGreed,
    getVix,
    getTreasury10Y,
    getWTI,
    getAssetHistory,
    saveAssetSnapshot,
    getSellHistory,
    addSellHistory,
    updateSellHistory,
    deleteSellHistory,
} from '../../api';
import Loading from '../../components/Loading';
import './Stock.css';
import {
    PieChart, Pie, Cell,
    BarChart, Bar, XAxis, YAxis, CartesianGrid,
    Tooltip as ChartTooltip, Legend, ResponsiveContainer,
    AreaChart, Area,
} from 'recharts';

/* ── helpers ─────────────────────────────────────────────────────── */

const formatNumber = (value) => {
    if (value === null || value === undefined || value === '') return '-';
    const numeric = Number(value);
    if (Number.isNaN(numeric)) return value;
    return new Intl.NumberFormat('ko-KR').format(numeric);
};

const formatPercent = (value) => {
    if (value === null || value === undefined || value === '') return '-';
    if (typeof value === 'string' && value.includes('%')) return value;
    const numeric = Number(value);
    if (Number.isNaN(numeric)) return value;
    return `${numeric >= 0 ? '+' : ''}${numeric.toFixed(2)}%`;
};

const pickFirst = (...values) =>
    values.find((value) => value !== undefined && value !== null && value !== '');

const getQty = (item) =>
    pickFirst(item?.qty, item?.quantity, item?.holding, item?.hold_qty);

const getBuyPrice = (item) =>
    pickFirst(
        item?.buy_price,
        item?.avg_price,
        item?.avg,
        item?.purchase_price,
        item?.buyPrice,
        item?.price
    );

const getCurrentPrice = (item) =>
    pickFirst(
        item?.current_price,
        item?.current,
        item?.cur_price,
        item?.now_price,
        item?.market_price
    );

const getProfitRate = (item) =>
    pickFirst(
        item?.profit_rate,
        item?.profitRate,
        item?.profit_pct,
        item?.profitPercent,
        item?.pnl_rate,
        item?.return_rate,
        item?.yield
    );

const getProfitLoss = (item) =>
    pickFirst(item?.profit_loss, item?.pnl, item?.profitLoss);

const toNumeric = (value) => {
    if (value === null || value === undefined || value === '') return null;
    const numeric = Number(String(value).replace(/[^0-9.-]/g, ''));
    return Number.isNaN(numeric) ? null : numeric;
};

/* ── Chart colors ──────────────────────────────────────────────── */

const CHART_COLORS = ['#818cf8', '#fbbf24', '#34d399', '#f472b6', '#fb923c', '#a78bfa', '#38bdf8', '#4ade80'];

const profitColorClass = (numericValue) => {
    if (numericValue > 0) return 'is-up';
    if (numericValue < 0) return 'is-down';
    if (numericValue === 0) return 'is-flat';
    return '';
};

const getVixLabel = (vix) => {
    if (vix < 12) return '극히 낮음 (안일 주의)';
    if (vix < 20) return '정상 (안정적)';
    if (vix < 30) return '주의 (불확실성 증가)';
    if (vix < 40) return '높음 (극도의 공포)';
    return '극단 (패닉)';
};

const getFgLabel = (score) => {
    if (score <= 25) return '극단적 공포';
    if (score <= 45) return '공포';
    if (score <= 55) return '중립';
    if (score <= 75) return '탐욕';
    return '극단적 탐욕';
};

/* ── empty portfolio form ────────────────────────────────────────── */

const emptyPortfolioForm = {
    broker: '',
    ticker: '',
    name: '',
    quantity: '',
    avg_price: '',
};

/* ── empty sell-history form ─────────────────────────────────────── */

const toLocalDatetimeValue = (isoStr) => {
    if (!isoStr) return '';
    const d = new Date(isoStr);
    const pad = (n) => String(n).padStart(2, '0');
    return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`;
};

const emptySellForm = () => ({
    broker: '',
    ticker: '',
    name: '',
    quantity: '',
    avg_price: '',
    sell_price: '',
    commission: '',
    sold_at: toLocalDatetimeValue(new Date().toISOString()),
});

/* ── TAB IDs ─────────────────────────────────────────────────────── */

const TAB_PORTFOLIO = 'portfolio';
const TAB_AI = 'ai';
const TAB_REPORT = 'report';
const TAB_ADVISOR = 'advisor';

/* ── component ───────────────────────────────────────────────────── */

const StockTrade = () => {
    /* Active tab */
    const [activeTab, setActiveTab] = useState(TAB_REPORT);

    /* ────────────────────────────────────────────────────────────── */
    /*  쟁승토리 계좌 (Portfolio) state                              */
    /* ────────────────────────────────────────────────────────────── */
    const [portfolio, setPortfolio] = useState(null);
    const [portfolioLoading, setPortfolioLoading] = useState(false);
    const [portfolioError, setPortfolioError] = useState('');
    const [portfolioLoaded, setPortfolioLoaded] = useState(false);

    /* Portfolio add form */
    const [addForm, setAddForm] = useState({ ...emptyPortfolioForm });
    const [addFormOpen, setAddFormOpen] = useState(false);
    const [addLoading, setAddLoading] = useState(false);
    const [addError, setAddError] = useState('');

    /* Portfolio edit */
    const [editingId, setEditingId] = useState(null);
    const [editForm, setEditForm] = useState({});
    const [editLoading, setEditLoading] = useState(false);
    const editOrigRef = useRef({});

    /* Portfolio delete */
    const [deleteConfirmId, setDeleteConfirmId] = useState(null);

    /* Portfolio sell */
    const [sellConfirmId, setSellConfirmId] = useState(null);
    const [sellLoading, setSellLoading] = useState(false);

    /* 실현손익 내역 */
    const [sellHistory, setSellHistory] = useState([]);
    const [sellHistoryLoading, setSellHistoryLoading] = useState(false);
    const [sellHistoryBroker, setSellHistoryBroker] = useState('ALL');
    const [sellHistoryPeriod, setSellHistoryPeriod] = useState('3M');

    /* 실현손익 드로어 */
    const [sellDrawerOpen, setSellDrawerOpen] = useState(false);

    /* 실현손익 수동 추가/수정 폼 */
    const [sellFormOpen, setSellFormOpen] = useState(false);
    const [sellEditId, setSellEditId] = useState(null); // null = 추가, number = 수정 중 id
    const [sellForm, setSellForm] = useState(emptySellForm());
    const [sellFormSaving, setSellFormSaving] = useState(false);
    const [sellFormError, setSellFormError] = useState('');

    /* AI 어드바이저 — 프롬프트 복사 */
    const [advisorCopied, setAdvisorCopied] = useState(false);

    /* Cash (예수금) form */
    const [cashForm, setCashForm] = useState({ broker: '', cash: '' });
    const [cashSaving, setCashSaving] = useState(false);
    const [cashError, setCashError] = useState('');

    /* Cash inline edit */
    const [cashEditingBroker, setCashEditingBroker] = useState(null);
    const [cashEditingValue, setCashEditingValue] = useState('');
    const [cashEditSaving, setCashEditSaving] = useState(false);

    /* ────────────────────────────────────────────────────────────── */
    /*  자산 추이 state                                               */
    /* ────────────────────────────────────────────────────────────── */
    const [assetHistory, setAssetHistory] = useState(null);
    const [assetHistoryLoading, setAssetHistoryLoading] = useState(false);
    const [assetHistoryDays, setAssetHistoryDays] = useState(30);
    const [snapshotSaving, setSnapshotSaving] = useState(false);

    /* ────────────────────────────────────────────────────────────── */
    /*  리포트 탭 state                                               */
    /* ────────────────────────────────────────────────────────────── */
    const [reportSortField, setReportSortField] = useState('profit_rate');
    const [reportSortDir, setReportSortDir] = useState('desc');

    /* AI Coach */
    const [aiApiKey, setAiApiKey] = useState('');
    const [aiModel, setAiModel] = useState('claude-haiku-4-5-20251001');
    const [aiResult, setAiResult] = useState(null);
    const [aiLoading, setAiLoading] = useState(false);
    const [aiError, setAiError] = useState('');
    const [marketCtx, setMarketCtx] = useState(null);

    /* ────────────────────────────────────────────────────────────── */
    /*  AI 투자 (Balance) state                                      */
    /* ────────────────────────────────────────────────────────────── */
    const [balance, setBalance] = useState(null);
    const [balanceLoading, setBalanceLoading] = useState(false);
    const [balanceError, setBalanceError] = useState('');
    const [balanceLoaded, setBalanceLoaded] = useState(false);

    /* Manual order state */
    const [manualForm, setManualForm] = useState({
        code: '',
        qty: 1,
        price: 0,
        type: 'buy',
    });
    const [manualLoading, setManualLoading] = useState(false);
    const [manualError, setManualError] = useState('');
    const [manualResult, setManualResult] = useState(null);
    const [kisModal, setKisModal] = useState('');

    /* ── loaders ─────────────────────────────────────────────────── */

    const loadPortfolio = useCallback(async () => {
        setPortfolioLoading(true);
        setPortfolioError('');
        try {
            const data = await getPortfolio();
            setPortfolio(data);
            setPortfolioLoaded(true);
        } catch (err) {
            setPortfolioError(err?.message ?? String(err));
        } finally {
            setPortfolioLoading(false);
        }
    }, []);

    const loadSellHistory = useCallback(async () => {
        setSellHistoryLoading(true);
        try {
            const data = await getSellHistory();
            setSellHistory(data?.records ?? (Array.isArray(data) ? data : []));
        } catch {
            /* 백엔드 미구현 시 빈 배열 유지 */
        } finally {
            setSellHistoryLoading(false);
        }
    }, []);

    /* AI 어드바이저: 포트폴리오 기반 프롬프트 생성 */
    const buildAdvisorPrompt = useCallback(() => {
        const today = new Date().toLocaleDateString('ko-KR', { year: 'numeric', month: 'long', day: 'numeric' });

        const holdingsLines = portfolioHoldings.map((h) => {
            const cp = h.current_price != null ? `${formatNumber(h.current_price)}원` : '시세 미조회';
            const rate = h.profit_rate != null ? formatPercent(h.profit_rate) : '미조회';
            const profit = h.profit_amount != null ? `(${h.profit_amount >= 0 ? '+' : ''}${formatNumber(h.profit_amount)}원)` : '';
            return `- **${h.name ?? h.ticker}** (${h.ticker ?? ''}) | 계좌: ${h.broker ?? '-'}
  수량 ${h.quantity}주 | 평균매입가 ${formatNumber(h.avg_price)}원 | 현재가 ${cp} | 손익 ${rate} ${profit}`;
        }).join('\n');

        const cashLines = cashList.map((c) => `- ${c.broker}: ${formatNumber(c.cash)}원`).join('\n') || '- 없음';

        const marketLines = marketCtx
            ? [
                `VIX: ${marketCtx.vix != null ? `${marketCtx.vix} (${getVixLabel(marketCtx.vix)})` : '데이터 없음'}`,
                `공포탐욕지수: ${marketCtx.fg != null ? `${marketCtx.fg}점 (${getFgLabel(marketCtx.fg)})` : '데이터 없음'}`,
                `미 10년물 국채: ${marketCtx.treasury != null ? `${marketCtx.treasury}%` : '데이터 없음'}`,
                `WTI 유가: ${marketCtx.wti != null ? `$${marketCtx.wti}` : '데이터 없음'}`,
            ].join('\n')
            : '시장 데이터 미로드';

        return `당신은 15년 이상 경력의 한국 주식시장 전문 애널리스트입니다.
오늘은 ${today}입니다. 아래 포트폴리오 정보와 시장 환경을 바탕으로 전문가 분석을 제공해주세요.

---

## 📊 현재 시장 환경

${marketLines}

---

## 💼 보유 포트폴리오

### 보유 종목 (${portfolioHoldings.length}개)

${holdingsLines || '보유 종목 없음'}

### 포트폴리오 요약

- 총 매입금액: ${formatNumber(portfolioSummary.total_buy)}원
- 총 평가금액: ${formatNumber(portfolioSummary.total_eval)}원
- 총 손익: ${formatNumber(portfolioSummary.total_profit)}원 (수익률: ${formatPercent(portfolioSummary.total_profit_rate)})
- 예수금 합계: ${totalCash != null ? formatNumber(totalCash) + '원' : '미입력'}
- 총 자산: ${totalAssets != null ? formatNumber(totalAssets) + '원' : '미집계'}

### 예수금 현황

${cashLines}

---

## 🔍 분석 요청

다음 형식으로 명확하게 작성해주세요:

### 📈 오늘의 시장 환경
시장 환경 데이터를 바탕으로 오늘 한국 주식시장의 전반적인 분위기와 주요 이슈를 2-3문장으로 요약하세요.

### 🔍 종목별 분석 및 행동 지침
각 보유 종목에 대해 아래 형식으로 작성하세요:

**[종목명 (티커)]**
- 현황: 현재 손익 상태와 포지션 평가
- 분석: 업황·섹터 동향, 주요 리스크/기회
- 🎯 행동 지침: **[매도 / 보유 / 추가매수 / 분할매도]** — 구체적 이유와 목표 참고 가격대

### 💼 포트폴리오 종합 의견
전체 포트폴리오의 섹터 편중, 리밸런싱 필요 여부, 현금 비중 조언을 작성하세요.

### ⚠️ 오늘 주의해야 할 리스크
매크로·섹터·개별 종목 측면에서 오늘 특히 주의할 리스크를 2-3가지 나열하세요.

---
분석은 반드시 한국어로, 구체적인 수치와 근거를 들어 전문적으로 작성해주세요.
투자 결정은 최종적으로 투자자 본인이 판단함을 명시하세요.`;
    }, [portfolioHoldings, portfolioSummary, cashList, totalCash, totalAssets, marketCtx]);

    const loadBalance = useCallback(async () => {
        setBalanceLoading(true);
        setBalanceError('');
        try {
            const data = await getTradeBalance();
            setBalance(data);
            setBalanceLoaded(true);
        } catch (err) {
            setBalanceError(err?.message ?? String(err));
        } finally {
            setBalanceLoading(false);
        }
    }, []);

    const loadAssetHistory = useCallback(async (days) => {
        setAssetHistoryLoading(true);
        try {
            const data = await getAssetHistory(days);
            // 백엔드 응답 키: snapshots 또는 history 모두 허용
            const raw = data?.snapshots ?? data?.history ?? (Array.isArray(data) ? data : []);
            // 날짜 → total_assets 맵
            const byDate = {};
            for (const item of raw) {
                byDate[item.date] = item.total_assets ?? 0;
            }
            // days > 0: 오늘 기준으로 days일치 전체 날짜 생성 후 없는 날은 0 채움
            // days = 0(전체): 받은 데이터만 날짜순 정렬
            const toLocalDate = (d) => {
                const y = d.getFullYear();
                const m = String(d.getMonth() + 1).padStart(2, '0');
                const day = String(d.getDate()).padStart(2, '0');
                return `${y}-${m}-${day}`;
            };
            let filled;
            if (days > 0) {
                const today = new Date();
                filled = Array.from({ length: days }, (_, i) => {
                    const d = new Date(today);
                    d.setDate(today.getDate() - (days - 1 - i));
                    const dateStr = toLocalDate(d);
                    const val = byDate[dateStr];
                    return val > 0 ? { date: dateStr, total_assets: val } : null;
                }).filter(Boolean);
            } else {
                filled = Object.entries(byDate)
                    .filter(([, total_assets]) => total_assets > 0)
                    .map(([date, total_assets]) => ({ date, total_assets }))
                    .sort((a, b) => a.date.localeCompare(b.date));
            }
            setAssetHistory(filled);
        } catch {
            setAssetHistory([]);
        } finally {
            setAssetHistoryLoading(false);
        }
    }, []);

    const handleSaveSnapshot = async () => {
        setSnapshotSaving(true);
        try {
            await saveAssetSnapshot(totalAssets != null ? Number(totalAssets) : undefined);
            await loadAssetHistory(assetHistoryDays);
        } catch (err) {
            alert('스냅샷 저장 실패: ' + (err?.message ?? String(err)));
        } finally {
            setSnapshotSaving(false);
        }
    };

    /* Lazy load: 탭 전환 시 해당 API만 호출 */
    useEffect(() => {
        if (activeTab === TAB_PORTFOLIO && !portfolioLoaded) {
            loadPortfolio();
            loadSellHistory();
        } else if (activeTab === TAB_AI && !balanceLoaded) {
            loadBalance();
        } else if (activeTab === TAB_REPORT && !portfolioLoaded) {
            loadPortfolio();
        } else if (activeTab === TAB_ADVISOR && !portfolioLoaded) {
            loadPortfolio();
        }
    }, [activeTab, portfolioLoaded, balanceLoaded, loadPortfolio, loadBalance, loadSellHistory]);

    /* 자산 추이: 포트폴리오 탭 첫 진입 또는 기간 변경 시 로드 */
    useEffect(() => {
        if (activeTab === TAB_PORTFOLIO) {
            loadAssetHistory(assetHistoryDays);
        }
    }, [activeTab, assetHistoryDays, loadAssetHistory]);

    /* AI Coach: 마운트 시 localStorage에서 API Key + 오늘 캐시 복원 */
    useEffect(() => {
        const savedKey = localStorage.getItem('ai_coach_key') ?? '';
        const savedModel = localStorage.getItem('ai_coach_model') ?? 'claude-haiku-4-5-20251001';
        setAiApiKey(savedKey);
        setAiModel(savedModel);
        const today = new Date().toISOString().slice(0, 10);
        const cached = localStorage.getItem(`ai_coach_${today}`);
        if (cached) {
            try { setAiResult({ ...JSON.parse(cached), cached: true }); } catch { /* ignore */ }
        }
    }, []);

    /* 리포트 탭 진입 시 시장 컨텍스트(VIX, F&G, 국채, WTI) 한 번 로드 */
    useEffect(() => {
        if (activeTab !== TAB_REPORT || marketCtx !== null) return;
        Promise.allSettled([getFearAndGreed(), getVix(), getTreasury10Y(), getWTI()])
            .then(([fg, vix, t, w]) => {
                const fgRaw = fg.status === 'fulfilled' ? fg.value : null;
                const fgScore = fgRaw?.fear_and_greed?.score ?? fgRaw?.score;
                setMarketCtx({
                    fg: fgScore != null ? Math.round(Number(fgScore)) : null,
                    vix: vix.status === 'fulfilled' ? (vix.value?.value ?? null) : null,
                    treasury: t.status === 'fulfilled' ? (t.value?.value ?? null) : null,
                    wti: w.status === 'fulfilled' ? (w.value?.value ?? null) : null,
                });
            });
    }, [activeTab, marketCtx]);

    /* Auto-refresh portfolio every 3 min (포트폴리오 탭 활성 시) */
    useEffect(() => {
        if (activeTab !== TAB_PORTFOLIO) return;
        const timer = window.setInterval(loadPortfolio, 180000);
        return () => window.clearInterval(timer);
    }, [activeTab, loadPortfolio]);

    /* ── portfolio actions ───────────────────────────────────────── */

    const handleAddSubmit = async (e) => {
        e.preventDefault();
        setAddLoading(true);
        setAddError('');
        try {
            await addPortfolio({
                broker: addForm.broker.trim(),
                ticker: addForm.ticker.trim(),
                name: addForm.name.trim(),
                quantity: Number(addForm.quantity),
                avg_price: Number(addForm.avg_price),
            });
            setAddForm({ ...emptyPortfolioForm });
            setAddFormOpen(false);
            await loadPortfolio();
        } catch (err) {
            setAddError(err?.message ?? String(err));
        } finally {
            setAddLoading(false);
        }
    };

    const handleEditStart = (item) => {
        setEditingId(item.id);
        setEditForm({
            quantity: item.quantity,
            avg_price: item.avg_price,
            broker: item.broker,
            name: item.name,
        });
        editOrigRef.current = {
            quantity: item.quantity,
            avg_price: item.avg_price,
            broker: item.broker,
            name: item.name,
        };
    };

    const handleEditSave = async (id) => {
        setEditLoading(true);
        try {
            const orig = editOrigRef.current ?? {};
            const diff = {};
            for (const key of Object.keys(editForm)) {
                if (editForm[key] !== orig[key]) {
                    diff[key] = editForm[key];
                }
            }
            if (Object.keys(diff).length === 0) {
                setEditingId(null);
                return;
            }
            await updatePortfolio(id, diff);
            setEditingId(null);
            await loadPortfolio();
        } catch (err) {
            const msg = err?.message ?? String(err);
            if (msg.includes('404') || msg.includes('not found')) {
                alert('해당 종목을 찾을 수 없습니다. 이미 삭제되었을 수 있습니다.');
                await loadPortfolio();
            } else {
                alert('수정 실패: ' + msg);
            }
        } finally {
            setEditLoading(false);
        }
    };

    const handleDelete = async (id) => {
        try {
            await deletePortfolio(id);
            setDeleteConfirmId(null);
            await loadPortfolio();
        } catch (err) {
            const msg = err?.message ?? String(err);
            if (msg.includes('404') || msg.includes('not found')) {
                alert('해당 종목을 찾을 수 없습니다. 이미 삭제되었을 수 있습니다.');
                setDeleteConfirmId(null);
                await loadPortfolio();
            } else {
                alert('삭제 실패: ' + msg);
            }
        }
    };

    /* ── cash (예수금) actions ──────────────────────────────────── */

    const handleCashSave = async (e) => {
        e.preventDefault();
        if (!cashForm.broker.trim() || cashForm.cash === '') return;
        setCashSaving(true);
        setCashError('');
        try {
            await upsertCash(cashForm.broker.trim(), Number(cashForm.cash));
            setCashForm({ broker: '', cash: '' });
            await loadPortfolio();
        } catch (err) {
            setCashError(err?.message ?? String(err));
        } finally {
            setCashSaving(false);
        }
    };

    const handleCashDelete = async (broker) => {
        try {
            await deleteCash(broker);
            await loadPortfolio();
        } catch (err) {
            alert('예수금 삭제 실패: ' + (err?.message ?? String(err)));
        }
    };

    const handleCashInlineEdit = (item) => {
        setCashEditingBroker(item.broker);
        setCashEditingValue(String(item.cash ?? ''));
    };

    const handleCashInlineSave = async (broker) => {
        if (cashEditingValue === '') return;
        setCashEditSaving(true);
        try {
            await upsertCash(broker, Number(cashEditingValue));
            setCashEditingBroker(null);
            setCashEditingValue('');
            await loadPortfolio();
        } catch (err) {
            alert('예수금 수정 실패: ' + (err?.message ?? String(err)));
        } finally {
            setCashEditSaving(false);
        }
    };

    const handleCashInlineCancel = () => {
        setCashEditingBroker(null);
        setCashEditingValue('');
    };

    /* ── sell (현재가 매도) ───────────────────────────────────────── */

    const handleSell = async (item) => {
        const sellPrice = item.current_price ?? item.avg_price;
        const avgPrice = item.avg_price ?? 0;
        const qty = item.quantity ?? 0;
        const saleAmount = sellPrice * qty;
        const buyAmount = avgPrice * qty;
        const realizedProfit = saleAmount - buyAmount;
        const realizedRate = buyAmount > 0 ? (realizedProfit / buyAmount) * 100 : 0;
        const broker = item.broker ?? '';

        setSellLoading(true);
        try {
            // 기존 예수금에 판매금액 합산
            const existing = cashList.find((c) => c.broker === broker);
            const newCash = (existing?.cash ?? 0) + saleAmount;
            await upsertCash(broker, newCash);
            await deletePortfolio(item.id);

            // 실현손익 기록 저장 (백엔드)
            const record = {
                broker,
                ticker: item.ticker ?? '',
                name: item.name ?? item.ticker ?? 'N/A',
                quantity: qty,
                avg_price: avgPrice,
                sell_price: sellPrice,
                buy_amount: buyAmount,
                sell_amount: saleAmount,
                realized_profit: realizedProfit,
                realized_rate: realizedRate,
                sold_at: new Date().toISOString(),
            };
            try {
                const saved = await addSellHistory(record);
                setSellHistory((prev) => [saved ?? record, ...prev]);
            } catch {
                /* 백엔드 미구현 시 낙관적 UI 유지 */
                setSellHistory((prev) => [{ ...record, id: Date.now() }, ...prev]);
            }

            setSellConfirmId(null);
            await loadPortfolio();
        } catch (err) {
            alert('매도 처리 실패: ' + (err?.message ?? String(err)));
        } finally {
            setSellLoading(false);
        }
    };

    const handleDeleteSellRecord = async (id) => {
        setSellHistory((prev) => prev.filter((r) => r.id !== id));
        try {
            await deleteSellHistory(id);
        } catch {
            /* 실패 시 목록 재로드로 복구 */
            loadSellHistory();
        }
    };

    /* 수동 추가 폼 열기 */
    const handleSellFormOpen = () => {
        setSellEditId(null);
        setSellForm(emptySellForm());
        setSellFormError('');
        setSellFormOpen(true);
    };

    /* 수정 폼 열기 */
    const handleSellEditStart = (record) => {
        setSellEditId(record.id);
        setSellForm({
            broker: record.broker ?? '',
            ticker: record.ticker ?? '',
            name: record.name ?? '',
            quantity: String(record.quantity ?? ''),
            avg_price: String(record.avg_price ?? ''),
            sell_price: String(record.sell_price ?? ''),
            commission: String(record.commission ?? ''),
            sold_at: toLocalDatetimeValue(record.sold_at),
        });
        setSellFormError('');
        setSellFormOpen(true);
    };

    /* 폼 닫기 */
    const handleSellFormClose = () => {
        setSellFormOpen(false);
        setSellEditId(null);
        setSellFormError('');
    };

    /* 폼 제출 (추가 or 수정) */
    const handleSellFormSubmit = async (e) => {
        e.preventDefault();
        setSellFormSaving(true);
        setSellFormError('');

        const qty = Number(sellForm.quantity);
        const avgPrice = Number(sellForm.avg_price);
        const sellPrice = Number(sellForm.sell_price);
        const commission = Number(sellForm.commission) || 0;
        const buyAmount = avgPrice * qty;
        const sellAmount = sellPrice * qty;
        const realizedProfit = sellAmount - buyAmount - commission;
        const realizedRate = buyAmount > 0 ? (realizedProfit / buyAmount) * 100 : 0;

        const payload = {
            broker: sellForm.broker.trim(),
            ticker: sellForm.ticker.trim(),
            name: sellForm.name.trim(),
            quantity: qty,
            avg_price: avgPrice,
            sell_price: sellPrice,
            commission,
            buy_amount: buyAmount,
            sell_amount: sellAmount,
            realized_profit: realizedProfit,
            realized_rate: realizedRate,
            sold_at: sellForm.sold_at ? new Date(sellForm.sold_at).toISOString() : new Date().toISOString(),
        };

        try {
            if (sellEditId != null) {
                const updated = await updateSellHistory(sellEditId, payload);
                setSellHistory((prev) =>
                    prev.map((r) => (r.id === sellEditId ? (updated ?? { ...payload, id: sellEditId }) : r))
                );
            } else {
                const saved = await addSellHistory(payload);
                setSellHistory((prev) => [saved ?? { ...payload, id: Date.now() }, ...prev]);
            }
            handleSellFormClose();
        } catch (err) {
            setSellFormError(err?.message ?? String(err));
        } finally {
            setSellFormSaving(false);
        }
    };

    /* ── report sort ─────────────────────────────────────────────── */

    const handleReportSort = (field) => {
        if (reportSortField === field) {
            setReportSortDir((d) => (d === 'asc' ? 'desc' : 'asc'));
        } else {
            setReportSortField(field);
            setReportSortDir('desc');
        }
    };

    /* ── AI coach ────────────────────────────────────────────────── */

    const handleAiCoach = async () => {
        if (!aiApiKey.trim() || portfolioHoldings.length === 0) return;

        const today = new Date().toISOString().slice(0, 10);
        const cacheKey = `ai_coach_${today}`;
        const cached = localStorage.getItem(cacheKey);
        if (cached) {
            try { setAiResult({ ...JSON.parse(cached), cached: true }); return; } catch { /* invalid cache */ }
        }

        setAiLoading(true);
        setAiError('');

        const holdingsText = portfolioHoldings
            .map((item) =>
                `- ${item.name ?? item.ticker}(${item.ticker ?? ''}): ${item.quantity}주, 매입가 ${formatNumber(item.avg_price)}원, 현재가 ${item.current_price != null ? formatNumber(item.current_price) + '원' : '미조회'}, 수익률 ${item.profit_rate != null ? formatPercent(item.profit_rate) : '미조회'}`
            )
            .join('\n');

        const marketText = marketCtx
            ? `\n[현재 시장 환경]\nVIX: ${marketCtx.vix != null ? `${marketCtx.vix} (${getVixLabel(marketCtx.vix)})` : '데이터 없음'}\nFear & Greed: ${marketCtx.fg != null ? `${marketCtx.fg}점 (${getFgLabel(marketCtx.fg)})` : '데이터 없음'}\n미국 10년물 국채: ${marketCtx.treasury != null ? `${marketCtx.treasury}%` : '데이터 없음'}\nWTI 유가: ${marketCtx.wti != null ? `$${marketCtx.wti}` : '데이터 없음'}`
            : '';

        const prompt = `당신은 한국 주식 전문 투자 코치입니다. 아래 포트폴리오와 시장 환경을 종합 분석하여 JSON으로만 답하세요.

분석 일자: ${today}
총 매입금액: ${formatNumber(portfolioSummary.total_buy)}원
총 평가금액: ${formatNumber(portfolioSummary.total_eval)}원
총 손익: ${formatNumber(portfolioSummary.total_profit)}원 (수익률: ${formatPercent(portfolioSummary.total_profit_rate)})
예수금 합계: ${totalCash != null ? formatNumber(totalCash) + '원' : '미입력'}
총 자산: ${totalAssets != null ? formatNumber(totalAssets) + '원' : '미집계'}
보유 종목 수: ${portfolioHoldings.length}개
보유 종목:
${holdingsText}${marketText}

반드시 아래 JSON 형식으로만 응답하세요 (코드블록 없이, 모든 텍스트는 한국어로):
{
  "score": 85,
  "grade": "A",
  "summary": "30자 이내 한줄 평가",
  "evaluation": "200자 이내 상세 평가",
  "advice": [
    { "title": "조언 제목", "body": "50자 이내 조언 내용" },
    { "title": "조언 제목", "body": "50자 이내 조언 내용" },
    { "title": "조언 제목", "body": "50자 이내 조언 내용" }
  ]
}`;

        try {
            const res = await fetch('https://api.anthropic.com/v1/messages', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'x-api-key': aiApiKey.trim(),
                    'anthropic-version': '2023-06-01',
                    'anthropic-dangerous-direct-browser-access': 'true',
                },
                body: JSON.stringify({
                    model: aiModel,
                    max_tokens: 1024,
                    messages: [{ role: 'user', content: prompt }],
                }),
            });

            if (!res.ok) {
                const text = await res.text().catch(() => '');
                throw new Error(`Claude API 오류 (${res.status}): ${text.slice(0, 200)}`);
            }

            const data = await res.json();
            const text = data.content?.[0]?.text ?? '';
            const jsonMatch = text.match(/\{[\s\S]*\}/);
            if (!jsonMatch) throw new Error('AI 응답에서 JSON을 파싱할 수 없습니다.');
            const result = JSON.parse(jsonMatch[0]);
            const final = { ...result, generated_at: new Date().toISOString(), cached: false };
            localStorage.setItem(cacheKey, JSON.stringify(final));
            setAiResult(final);
        } catch (err) {
            setAiError(err?.message ?? String(err));
        } finally {
            setAiLoading(false);
        }
    };

    /* ── manual order ────────────────────────────────────────────── */

    const submitManualOrder = async (event) => {
        event.preventDefault();
        setManualLoading(true);
        setManualError('');
        setManualResult(null);
        try {
            const payload = {
                ticker: manualForm.code.trim(),
                action: manualForm.type === 'sell' ? 'SELL' : 'BUY',
                quantity: Number(manualForm.qty),
                price: Number(manualForm.price),
            };
            const result = await createTradeOrder(payload);
            setManualResult(result ?? { ok: true });
            if (result?.kis_result !== undefined) {
                const message =
                    typeof result.kis_result === 'string'
                        ? result.kis_result
                        : JSON.stringify(result.kis_result, null, 2);
                setKisModal(message);
            }
            await loadBalance();
        } catch (err) {
            setManualError(err?.message ?? String(err));
        } finally {
            setManualLoading(false);
        }
    };

    /* ── derived: AI balance ──────────────────────────────────────── */

    const holdings = useMemo(() => {
        if (!balance) return [];
        if (Array.isArray(balance.holdings)) return balance.holdings;
        if (Array.isArray(balance.positions)) return balance.positions;
        if (Array.isArray(balance.items)) return balance.items;
        return [];
    }, [balance]);
    const summary = balance?.summary ?? {};
    const totalEval =
        summary.total_eval ?? balance?.total_eval ?? balance?.total_value;
    const deposit =
        summary.deposit ?? balance?.deposit ?? balance?.available_cash;

    /* ── derived: Portfolio ───────────────────────────────────────── */

    const portfolioHoldings = portfolio?.holdings ?? [];
    const portfolioSummary = portfolio?.summary ?? {};
    const cashList = portfolio?.cash ?? [];
    const totalCash = portfolioSummary.total_cash ?? null;
    const totalAssets = portfolioSummary.total_assets ?? null;
    const brokerGroups = useMemo(() => {
        const map = {};
        for (const item of portfolioHoldings) {
            const broker = item.broker || '기타';
            if (!map[broker]) map[broker] = [];
            map[broker].push(item);
        }
        return Object.entries(map).sort(([a], [b]) => a.localeCompare(b));
    }, [portfolioHoldings]);

    const getBrokerSummary = (items) => {
        let totalBuy = 0;
        let totalEvalAmt = 0;
        let hasNullPrice = false;
        for (const item of items) {
            totalBuy += (item.avg_price ?? 0) * (item.quantity ?? 0);
            if (item.eval_amount != null) {
                totalEvalAmt += item.eval_amount;
            } else {
                hasNullPrice = true;
            }
        }
        const totalProfit = totalEvalAmt - totalBuy;
        const totalProfitRate = totalBuy > 0 ? (totalProfit / totalBuy) * 100 : 0;
        return { totalBuy, totalEval: totalEvalAmt, totalProfit, totalProfitRate, hasNullPrice };
    };

    const brokerColors = useMemo(() => {
        const palette = [
            { border: 'rgba(129,140,248,0.5)', bg: 'rgba(129,140,248,0.06)' },
            { border: 'rgba(251,191,36,0.5)', bg: 'rgba(251,191,36,0.06)' },
            { border: 'rgba(52,211,153,0.5)', bg: 'rgba(52,211,153,0.06)' },
            { border: 'rgba(244,114,182,0.5)', bg: 'rgba(244,114,182,0.06)' },
            { border: 'rgba(251,146,60,0.5)', bg: 'rgba(251,146,60,0.06)' },
            { border: 'rgba(139,92,246,0.5)', bg: 'rgba(139,92,246,0.06)' },
        ];
        const map = {};
        brokerGroups.forEach(([broker], i) => {
            map[broker] = palette[i % palette.length];
        });
        return map;
    }, [brokerGroups]);

    /* ── derived: Report ──────────────────────────────────────────── */

    const brokerPieData = useMemo(() =>
        brokerGroups
            .map(([broker, items]) => ({ name: broker, value: getBrokerSummary(items).totalEval }))
            .filter((d) => d.value > 0),
        [brokerGroups]
    );

    const profitBarData = useMemo(() =>
        portfolioHoldings
            .filter((item) => item.profit_rate != null)
            .map((item) => ({
                name: item.ticker ?? (item.name ?? 'N/A').slice(0, 5),
                fullName: item.name ?? item.ticker ?? 'N/A',
                rate: toNumeric(item.profit_rate) ?? 0,
            }))
            .sort((a, b) => b.rate - a.rate),
        [portfolioHoldings]
    );

    const maxAbsRate = useMemo(() =>
        Math.max(1, ...portfolioHoldings.map((h) => Math.abs(toNumeric(h.profit_rate) ?? 0))),
        [portfolioHoldings]
    );

    /* ── derived: 리스크 분산 분석 ────────────────────────────────── */

    const brokerConcentration = useMemo(() => {
        const totalEval = toNumeric(portfolioSummary.total_eval);
        if (!totalEval || totalEval === 0) return [];
        return brokerGroups
            .map(([broker, items]) => {
                const { totalEval: brokerEval } = getBrokerSummary(items);
                const ratio = Math.round((brokerEval / totalEval) * 1000) / 10;
                return { broker, eval: brokerEval, ratio };
            })
            .sort((a, b) => b.ratio - a.ratio);
    }, [brokerGroups, portfolioSummary.total_eval]); // eslint-disable-line react-hooks/exhaustive-deps

    const stockConcentration = useMemo(() => {
        const totalEval = toNumeric(portfolioSummary.total_eval);
        if (!totalEval || totalEval === 0) return [];
        return portfolioHoldings
            .map((item) => {
                const evalAmt = item.eval_amount != null
                    ? toNumeric(item.eval_amount)
                    : (item.current_price != null && item.quantity != null)
                        ? toNumeric(item.current_price) * toNumeric(item.quantity)
                        : null;
                if (!evalAmt) return null;
                return {
                    name: item.name ?? item.ticker ?? 'N/A',
                    ticker: item.ticker ?? '',
                    eval: evalAmt,
                    ratio: Math.round((evalAmt / totalEval) * 1000) / 10,
                };
            })
            .filter(Boolean)
            .sort((a, b) => b.ratio - a.ratio)
            .slice(0, 5);
    }, [portfolioHoldings, portfolioSummary.total_eval]);

    const sortedHoldings = useMemo(() => {
        const getVal = (item) => {
            switch (reportSortField) {
                case 'profit_rate': return toNumeric(item.profit_rate) ?? -Infinity;
                case 'profit_amount': return toNumeric(item.profit_amount) ?? -Infinity;
                case 'eval_amount': {
                    const ea = toNumeric(item.eval_amount);
                    if (ea != null) return ea;
                    const cp = toNumeric(item.current_price);
                    const qty = toNumeric(item.quantity);
                    return cp != null && qty != null ? cp * qty : -Infinity;
                }
                default: return 0;
            }
        };
        return [...portfolioHoldings].sort((a, b) => {
            if (reportSortField === 'name')
                return reportSortDir === 'asc'
                    ? (a.name ?? '').localeCompare(b.name ?? '')
                    : (b.name ?? '').localeCompare(a.name ?? '');
            if (reportSortField === 'broker')
                return reportSortDir === 'asc'
                    ? (a.broker ?? '').localeCompare(b.broker ?? '')
                    : (b.broker ?? '').localeCompare(a.broker ?? '');
            const av = getVal(a);
            const bv = getVal(b);
            return reportSortDir === 'asc' ? av - bv : bv - av;
        });
    }, [portfolioHoldings, reportSortField, reportSortDir]);

    /* ── derived: 실현손익 필터 ────────────────────────────────────── */

    const sellHistoryBrokers = useMemo(() => {
        const set = new Set(sellHistory.map((r) => r.broker).filter(Boolean));
        return ['ALL', ...Array.from(set).sort()];
    }, [sellHistory]);

    const filteredSellHistory = useMemo(() => {
        const now = new Date();
        const periodMs = {
            '1M': 30 * 86400000,
            '3M': 90 * 86400000,
            '6M': 180 * 86400000,
            '1Y': 365 * 86400000,
            'ALL': Infinity,
        }[sellHistoryPeriod] ?? Infinity;
        return sellHistory.filter((r) => {
            if (sellHistoryBroker !== 'ALL' && r.broker !== sellHistoryBroker) return false;
            const diff = now - new Date(r.sold_at);
            return diff <= periodMs;
        });
    }, [sellHistory, sellHistoryBroker, sellHistoryPeriod]);

    const sellHistorySummary = useMemo(() => {
        const totalProfit = filteredSellHistory.reduce((s, r) => s + (r.realized_profit ?? 0), 0);
        const totalSell = filteredSellHistory.reduce((s, r) => s + (r.sell_amount ?? 0), 0);
        const totalBuy = filteredSellHistory.reduce((s, r) => s + (r.buy_amount ?? 0), 0);
        const totalCommission = filteredSellHistory.reduce((s, r) => s + (r.commission ?? 0), 0);
        const rate = totalBuy > 0 ? (totalProfit / totalBuy) * 100 : 0;
        return { totalProfit, totalSell, totalBuy, totalCommission, rate, count: filteredSellHistory.length };
    }, [filteredSellHistory]);

    /* ── render ───────────────────────────────────────────────────── */

    return (
        <div className="stock">
            {/* ── Header ──────────────────────────────────────────── */}
            <header className="stock-header">
                <div>
                    <p className="stock-kicker">거래 데스크</p>
                    <h1>거래 데스크</h1>
                    <p className="stock-sub">
                        실제 계좌와 AI 모의투자를 한 곳에서 관리하세요.
                    </p>
                    <div className="stock-actions">
                        <Link className="button ghost" to="/stock">
                            주식 랩으로 돌아가기
                        </Link>
                    </div>
                </div>
                <div className="stock-card">
                    <p className="stock-card__title">
                        {activeTab === TAB_AI ? 'AI 투자 요약' : '쟁승토리 계좌 요약'}
                    </p>
                    {activeTab === TAB_PORTFOLIO || activeTab === TAB_REPORT ? (
                        /* Portfolio summary */
                        <div className="stock-status">
                            <div>
                                <span>총 매입</span>
                                <strong>{formatNumber(portfolioSummary.total_buy)}</strong>
                            </div>
                            <div>
                                <span>총 평가</span>
                                <strong>{formatNumber(portfolioSummary.total_eval)}</strong>
                            </div>
                            <div>
                                <span>총 손익</span>
                                <strong
                                    className={`stock-profit ${profitColorClass(
                                        toNumeric(portfolioSummary.total_profit)
                                    )}`}
                                >
                                    {formatNumber(portfolioSummary.total_profit)}
                                    {portfolioSummary.total_profit_rate != null && (
                                        <small style={{ marginLeft: 4, fontSize: 11 }}>
                                            ({formatPercent(portfolioSummary.total_profit_rate)})
                                        </small>
                                    )}
                                </strong>
                            </div>
                            <div>
                                <span>보유 종목</span>
                                <strong>{portfolioHoldings.length}</strong>
                            </div>
                            {totalCash != null && (
                                <div>
                                    <span>예수금 합계</span>
                                    <strong style={{ color: '#93c5fd' }}>
                                        {formatNumber(totalCash)}원
                                    </strong>
                                </div>
                            )}
                            {totalAssets != null && (
                                <div>
                                    <span>총 자산</span>
                                    <strong style={{ fontWeight: 700 }}>
                                        {formatNumber(totalAssets)}원
                                    </strong>
                                </div>
                            )}
                        </div>
                    ) : (
                        /* AI balance summary */
                        <div className="stock-status">
                            <div>
                                <span>총 평가금액</span>
                                <strong>{formatNumber(totalEval)}</strong>
                            </div>
                            <div>
                                <span>예수금</span>
                                <strong>{formatNumber(deposit)}</strong>
                            </div>
                            <div>
                                <span>보유 종목</span>
                                <strong>{holdings.length}</strong>
                            </div>
                        </div>
                    )}
                    {activeTab === TAB_AI && summary.note ? (
                        <p className="stock-status__note">{summary.note}</p>
                    ) : null}
                </div>
            </header>

            {/* ── Main Tabs ───────────────────────────────────────── */}
            <div className="stock-main-tabs">
                <button
                    type="button"
                    className={`stock-main-tab ${activeTab === TAB_PORTFOLIO ? 'is-active' : ''}`}
                    onClick={() => setActiveTab(TAB_PORTFOLIO)}
                >
                    <span className="stock-main-tab__icon">💼</span>
                    <span className="stock-main-tab__label">쟁승토리 계좌</span>
                    {portfolioHoldings.length > 0 && (
                        <span className="stock-main-tab__badge">
                            {portfolioHoldings.length}
                        </span>
                    )}
                </button>
                <button
                    type="button"
                    className={`stock-main-tab ${activeTab === TAB_AI ? 'is-active' : ''}`}
                    onClick={() => setActiveTab(TAB_AI)}
                >
                    <span className="stock-main-tab__icon">🤖</span>
                    <span className="stock-main-tab__label">AI 투자</span>
                    <span className="stock-main-tab__sub">모의투자</span>
                </button>
                <button
                    type="button"
                    className={`stock-main-tab ${activeTab === TAB_REPORT ? 'is-active' : ''}`}
                    onClick={() => setActiveTab(TAB_REPORT)}
                >
                    <span className="stock-main-tab__icon">📊</span>
                    <span className="stock-main-tab__label">리포트</span>
                    <span className="stock-main-tab__sub">분석·AI코치</span>
                </button>
                <button
                    type="button"
                    className={`stock-main-tab stock-main-tab--advisor ${activeTab === TAB_ADVISOR ? 'is-active' : ''}`}
                    onClick={() => setActiveTab(TAB_ADVISOR)}
                >
                    <span className="stock-main-tab__icon">🧠</span>
                    <span className="stock-main-tab__label">AI 어드바이저</span>
                    <span className="stock-main-tab__sub">Gemini Pro</span>
                </button>
            </div>

            {/* ════════════════════════════════════════════════════════
                TAB 1: 쟁승토리 계좌
               ════════════════════════════════════════════════════════ */}
            {activeTab === TAB_PORTFOLIO && (
                <>
                    {portfolioError ? (
                        <p className="stock-error">{portfolioError}</p>
                    ) : null}

                    {/* 포트폴리오 관리 헤더 + 추가 폼 */}
                    <section className="stock-panel stock-panel--wide pf-section">
                        <div className="stock-panel__head">
                            <div>
                                <p className="stock-panel__eyebrow">포트폴리오</p>
                                <h3>수동 입력 종목 관리</h3>
                                <p className="stock-panel__sub">
                                    증권사별 보유 종목을 수동 등록하면 현재가를 자동 조회합니다. (3분 캐시)
                                </p>
                            </div>
                            <div className="stock-panel__actions">
                                {portfolioLoading ? (
                                    <Loading type="spinner" message="" />
                                ) : null}
                                <button
                                    className="button ghost small"
                                    onClick={loadPortfolio}
                                    disabled={portfolioLoading}
                                >
                                    새로고침
                                </button>
                                <button
                                    className="button primary small"
                                    onClick={() => setAddFormOpen((v) => !v)}
                                >
                                    {addFormOpen ? '취소' : '+ 종목 추가'}
                                </button>
                            </div>
                        </div>

                        {/* Add form */}
                        {addFormOpen && (
                            <form className="pf-add-form" onSubmit={handleAddSubmit}>
                                <label>
                                    증권사
                                    <input
                                        type="text"
                                        value={addForm.broker}
                                        onChange={(e) =>
                                            setAddForm((p) => ({ ...p, broker: e.target.value }))
                                        }
                                        placeholder="KB증권"
                                        required
                                    />
                                </label>
                                <label>
                                    종목코드
                                    <input
                                        type="text"
                                        value={addForm.ticker}
                                        onChange={(e) =>
                                            setAddForm((p) => ({ ...p, ticker: e.target.value }))
                                        }
                                        placeholder="005930"
                                        required
                                        maxLength={6}
                                    />
                                </label>
                                <label>
                                    종목명
                                    <input
                                        type="text"
                                        value={addForm.name}
                                        onChange={(e) =>
                                            setAddForm((p) => ({ ...p, name: e.target.value }))
                                        }
                                        placeholder="삼성전자"
                                        required
                                    />
                                </label>
                                <label>
                                    수량
                                    <input
                                        type="number"
                                        min={1}
                                        step={1}
                                        value={addForm.quantity}
                                        onChange={(e) =>
                                            setAddForm((p) => ({ ...p, quantity: e.target.value }))
                                        }
                                        required
                                    />
                                </label>
                                <label>
                                    평균 매입가 (원)
                                    <input
                                        type="number"
                                        min={0}
                                        step={1}
                                        value={addForm.avg_price}
                                        onChange={(e) =>
                                            setAddForm((p) => ({ ...p, avg_price: e.target.value }))
                                        }
                                        required
                                    />
                                </label>
                                <button
                                    className="button primary"
                                    type="submit"
                                    disabled={addLoading}
                                >
                                    {addLoading ? '등록 중...' : '종목 등록'}
                                </button>
                                {addError && <p className="stock-error">{addError}</p>}
                            </form>
                        )}

                        {/* Portfolio total summary */}
                        {portfolioHoldings.length > 0 && (
                            <div className="pf-total-summary">
                                {[
                                    { label: '총 매입', value: portfolioSummary.total_buy },
                                    { label: '총 평가', value: portfolioSummary.total_eval },
                                    { label: '총 손익', value: portfolioSummary.total_profit, isProfit: true },
                                    { label: '수익률', value: portfolioSummary.total_profit_rate, isRate: true },
                                ].map((s) => (
                                    <div key={s.label} className="pf-total-summary__card">
                                        <span>{s.label}</span>
                                        <strong
                                            className={
                                                s.isProfit || s.isRate
                                                    ? `stock-profit ${profitColorClass(toNumeric(s.value))}`
                                                    : ''
                                            }
                                        >
                                            {s.isRate ? formatPercent(s.value) : formatNumber(s.value)}
                                        </strong>
                                    </div>
                                ))}
                                {totalCash != null && (
                                    <div className="pf-total-summary__card is-cash">
                                        <span>예수금 합계</span>
                                        <strong>{formatNumber(totalCash)}원</strong>
                                    </div>
                                )}
                                {totalAssets != null && (
                                    <div className="pf-total-summary__card is-assets">
                                        <span>총 자산</span>
                                        <strong>{formatNumber(totalAssets)}원</strong>
                                    </div>
                                )}
                            </div>
                        )}
                        {/* 자산 추이 차트 */}
                        <div className="pf-asset-history">
                            <div className="pf-asset-history__head">
                                <p className="pf-asset-history__title">총 자산 추이</p>
                                <div className="pf-asset-history__controls">
                                    {[
                                        { label: '7일', value: 7 },
                                        { label: '30일', value: 30 },
                                        { label: '90일', value: 90 },
                                        { label: '전체', value: 0 },
                                    ].map(({ label, value }) => (
                                        <button
                                            key={value}
                                            type="button"
                                            className={`pf-asset-period-btn ${assetHistoryDays === value ? 'is-active' : ''}`}
                                            onClick={() => setAssetHistoryDays(value)}
                                        >
                                            {label}
                                        </button>
                                    ))}
                                    <button
                                        type="button"
                                        className="button ghost small"
                                        onClick={handleSaveSnapshot}
                                        disabled={snapshotSaving || totalAssets == null}
                                        title="현재 총 자산을 오늘 날짜로 저장"
                                    >
                                        {snapshotSaving ? '저장 중...' : '📸 스냅샷'}
                                    </button>
                                </div>
                            </div>

                            {assetHistoryLoading ? (
                                <div className="pf-asset-history__empty">
                                    <Loading type="spinner" message="" />
                                </div>
                            ) : Array.isArray(assetHistory) && assetHistory.length >= 1 ? (
                                <ResponsiveContainer width="100%" height={180}>
                                    <AreaChart
                                        data={assetHistory}
                                        margin={{ top: 8, right: 12, left: 0, bottom: 0 }}
                                    >
                                        <defs>
                                            <linearGradient id="assetGrad" x1="0" y1="0" x2="0" y2="1">
                                                <stop offset="5%" stopColor="#38bdf8" stopOpacity={0.25} />
                                                <stop offset="95%" stopColor="#38bdf8" stopOpacity={0} />
                                            </linearGradient>
                                        </defs>
                                        <XAxis
                                            dataKey="date"
                                            tick={{ fill: 'var(--text-muted)', fontSize: 10 }}
                                            tickFormatter={(v) => v?.slice(5)}
                                            tickLine={false}
                                            axisLine={false}
                                            interval="preserveStartEnd"
                                        />
                                        <YAxis
                                            hide
                                            domain={['auto', 'auto']}
                                        />
                                        <ChartTooltip
                                            contentStyle={{
                                                background: 'var(--surface)',
                                                border: '1px solid var(--line)',
                                                borderRadius: 8,
                                                fontSize: 12,
                                            }}
                                            labelStyle={{ color: 'var(--text-dim)', marginBottom: 4 }}
                                            formatter={(v) => [`${new Intl.NumberFormat('ko-KR').format(v)}원`, '총 자산']}
                                        />
                                        <Area
                                            type="monotone"
                                            dataKey="total_assets"
                                            stroke="#38bdf8"
                                            strokeWidth={2}
                                            fill="url(#assetGrad)"
                                            dot={false}
                                            activeDot={{ r: 4, fill: '#38bdf8' }}
                                        />
                                    </AreaChart>
                                </ResponsiveContainer>
                            ) : (
                                <div className="pf-asset-history__empty">
                                    저장된 자산 추이 데이터가 없습니다. 📸 스냅샷 버튼으로 오늘 자산을 기록하세요.
                                </div>
                            )}
                        </div>
                    </section>

                    {/* 예수금 패널 */}
                    <section className="stock-panel stock-panel--wide">
                        <div className="stock-panel__head">
                            <div>
                                <p className="stock-panel__eyebrow">예수금 관리</p>
                                <h3>증권사별 예수금</h3>
                                <p className="stock-panel__sub">
                                    증권사별 예수금을 입력하면 총 자산에 자동 반영됩니다.
                                </p>
                            </div>
                        </div>

                        {cashList.length > 0 && (
                            <div className="pf-cash-table">
                                {cashList.map((item) => {
                                    const isEditing = cashEditingBroker === item.broker;
                                    return (
                                        <div key={item.id ?? item.broker} className="pf-cash-row">
                                            <span className="pf-cash-broker">{item.broker}</span>
                                            {isEditing ? (
                                                <input
                                                    className="pf-cash-edit-input"
                                                    type="number"
                                                    min={0}
                                                    step={1}
                                                    value={cashEditingValue}
                                                    onChange={(e) => setCashEditingValue(e.target.value)}
                                                    onKeyDown={(e) => {
                                                        if (e.key === 'Enter') handleCashInlineSave(item.broker);
                                                        if (e.key === 'Escape') handleCashInlineCancel();
                                                    }}
                                                    autoFocus
                                                />
                                            ) : (
                                                <strong className="pf-cash-amount">
                                                    {formatNumber(item.cash)}원
                                                </strong>
                                            )}
                                            <span className="pf-cash-date">
                                                {item.updated_at
                                                    ? new Date(item.updated_at).toLocaleDateString('ko-KR')
                                                    : ''}
                                            </span>
                                            {isEditing ? (
                                                <>
                                                    <button
                                                        className="button primary small"
                                                        onClick={() => handleCashInlineSave(item.broker)}
                                                        disabled={cashEditSaving}
                                                    >
                                                        {cashEditSaving ? '저장 중' : '저장'}
                                                    </button>
                                                    <button
                                                        className="button ghost small"
                                                        onClick={handleCashInlineCancel}
                                                        disabled={cashEditSaving}
                                                    >
                                                        취소
                                                    </button>
                                                </>
                                            ) : (
                                                <>
                                                    <button
                                                        className="button ghost small"
                                                        onClick={() => handleCashInlineEdit(item)}
                                                        title="수정"
                                                    >
                                                        ✏️
                                                    </button>
                                                    <button
                                                        className="button ghost small pf-btn-danger"
                                                        onClick={() => handleCashDelete(item.broker)}
                                                        title="삭제"
                                                    >
                                                        🗑️
                                                    </button>
                                                </>
                                            )}
                                        </div>
                                    );
                                })}
                            </div>
                        )}
                        {cashList.length === 0 && (
                            <p className="stock-empty" style={{ fontSize: 13 }}>
                                등록된 예수금이 없습니다.
                            </p>
                        )}

                        <form className="pf-cash-form" onSubmit={handleCashSave}>
                            <label>
                                증권사명
                                <input
                                    type="text"
                                    value={cashForm.broker}
                                    onChange={(e) =>
                                        setCashForm((p) => ({ ...p, broker: e.target.value }))
                                    }
                                    placeholder="KB증권"
                                    required
                                />
                            </label>
                            <label>
                                예수금 (원)
                                <input
                                    type="number"
                                    min={0}
                                    step={1}
                                    value={cashForm.cash}
                                    onChange={(e) =>
                                        setCashForm((p) => ({ ...p, cash: e.target.value }))
                                    }
                                    placeholder="1500000"
                                    required
                                />
                            </label>
                            <button
                                className="button primary"
                                type="submit"
                                disabled={cashSaving}
                            >
                                {cashSaving ? '저장 중...' : '저장'}
                            </button>
                            {cashError && <p className="stock-error">{cashError}</p>}
                        </form>
                    </section>

                    {/* Broker cards stacked */}
                    {brokerGroups.map(([broker, items]) => {
                        const bSummary = getBrokerSummary(items);
                        const color = brokerColors[broker];
                        return (
                            <section
                                key={broker}
                                className="stock-panel stock-panel--wide pf-broker-section"
                                style={{
                                    borderColor: color?.border,
                                    background: color?.bg,
                                }}
                            >
                                <div className="stock-panel__head">
                                    <div>
                                        <p
                                            className="stock-panel__eyebrow"
                                            style={{ color: color?.border }}
                                        >
                                            {broker}
                                        </p>
                                        <h3>{broker} 보유 현황</h3>
                                        <p className="stock-panel__sub">
                                            {items.length}종목 · 평가{' '}
                                            {formatNumber(bSummary.totalEval)} · 손익{' '}
                                            <span
                                                className={`stock-profit ${profitColorClass(
                                                    bSummary.totalProfit
                                                )}`}
                                            >
                                                {formatNumber(bSummary.totalProfit)} (
                                                {formatPercent(bSummary.totalProfitRate)})
                                            </span>
                                            {(() => {
                                                const bc = cashList.find(
                                                    (c) => c.broker === broker
                                                );
                                                return bc ? (
                                                    <span className="pf-cash-badge">
                                                        예수금 {formatNumber(bc.cash)}원
                                                    </span>
                                                ) : null;
                                            })()}
                                        </p>
                                    </div>
                                </div>
                                <div className="stock-holdings">
                                    {items.map((item) => {
                                        const profitAmt = item.profit_amount;
                                        const profitRate = item.profit_rate;
                                        const profitAmtN = toNumeric(profitAmt);
                                        const profitRateN = toNumeric(profitRate);
                                        const isEditing = editingId === item.id;
                                        const isDeleting = deleteConfirmId === item.id;
                                        const isSelling = sellConfirmId === item.id;
                                        const sellPrice = item.current_price ?? item.avg_price;
                                        const saleAmount = sellPrice != null ? sellPrice * (item.quantity ?? 0) : null;

                                        return (
                                            <div
                                                key={item.id}
                                                className="stock-holdings__item pf-item"
                                            >
                                                {isEditing ? (
                                                    <div className="pf-edit-row">
                                                        <div className="pf-edit-fields">
                                                            <label>
                                                                수량
                                                                <input
                                                                    type="number"
                                                                    min={1}
                                                                    value={editForm.quantity ?? ''}
                                                                    onChange={(e) =>
                                                                        setEditForm((p) => ({
                                                                            ...p,
                                                                            quantity: Number(e.target.value),
                                                                        }))
                                                                    }
                                                                />
                                                            </label>
                                                            <label>
                                                                평균매입가
                                                                <input
                                                                    type="number"
                                                                    min={0}
                                                                    value={editForm.avg_price ?? ''}
                                                                    onChange={(e) =>
                                                                        setEditForm((p) => ({
                                                                            ...p,
                                                                            avg_price: Number(e.target.value),
                                                                        }))
                                                                    }
                                                                />
                                                            </label>
                                                        </div>
                                                        <div className="pf-edit-actions">
                                                            <button
                                                                className="button primary small"
                                                                onClick={() => handleEditSave(item.id)}
                                                                disabled={editLoading}
                                                            >
                                                                {editLoading ? '저장 중...' : '저장'}
                                                            </button>
                                                            <button
                                                                className="button ghost small"
                                                                onClick={() => setEditingId(null)}
                                                            >
                                                                취소
                                                            </button>
                                                        </div>
                                                    </div>
                                                ) : (
                                                    <>
                                                        <div>
                                                            <p className="stock-holdings__name">
                                                                {item.name ?? item.ticker ?? 'N/A'}
                                                            </p>
                                                            <span className="stock-holdings__code">
                                                                {item.ticker ?? ''}
                                                            </span>
                                                        </div>
                                                        <div className="stock-holdings__metric">
                                                            <span>수량</span>
                                                            <strong>{formatNumber(item.quantity)}</strong>
                                                        </div>
                                                        <div className="stock-holdings__metric">
                                                            <span>매입가</span>
                                                            <strong>{formatNumber(item.avg_price)}</strong>
                                                        </div>
                                                        <div className="stock-holdings__metric">
                                                            <span>현재가</span>
                                                            <strong
                                                                className={item.current_price == null ? 'pf-null-price' : ''}
                                                            >
                                                                {item.current_price != null
                                                                    ? formatNumber(item.current_price)
                                                                    : '조회 실패'}
                                                            </strong>
                                                        </div>
                                                        <div className="stock-holdings__metric">
                                                            <span>평가금액</span>
                                                            <strong>
                                                                {item.current_price != null && item.quantity != null
                                                                    ? formatNumber(item.current_price * item.quantity)
                                                                    : '-'}
                                                            </strong>
                                                        </div>
                                                        <div className="stock-holdings__metric">
                                                            <span>수익률</span>
                                                            <strong
                                                                className={`stock-profit ${profitColorClass(profitRateN)}`}
                                                            >
                                                                {profitRate != null
                                                                    ? formatPercent(profitRate)
                                                                    : '-'}
                                                            </strong>
                                                        </div>
                                                        <div className="stock-holdings__metric">
                                                            <span>평가손익</span>
                                                            <strong
                                                                className={`stock-profit ${profitColorClass(profitAmtN)}`}
                                                            >
                                                                {profitAmt != null
                                                                    ? formatNumber(profitAmt)
                                                                    : '-'}
                                                            </strong>
                                                        </div>
                                                        <div className="pf-item-actions">
                                                            {!isSelling && !isDeleting && (
                                                                <button
                                                                    className="button ghost small"
                                                                    onClick={() => handleEditStart(item)}
                                                                    title="수정"
                                                                >
                                                                    ✏️
                                                                </button>
                                                            )}
                                                            {isSelling ? (
                                                                <div className="pf-sell-confirm">
                                                                    <span className="pf-sell-confirm__msg">
                                                                        {item.current_price == null && (
                                                                            <small className="pf-sell-confirm__warn">현재가 미조회 — 매입가 기준</small>
                                                                        )}
                                                                        {saleAmount != null
                                                                            ? `${formatNumber(saleAmount)}원 매도 후 예수금 반영`
                                                                            : '매도 처리'}
                                                                    </span>
                                                                    <button
                                                                        className="button small pf-btn-sell"
                                                                        onClick={() => handleSell(item)}
                                                                        disabled={sellLoading}
                                                                    >
                                                                        {sellLoading ? '처리 중...' : '매도 확인'}
                                                                    </button>
                                                                    <button
                                                                        className="button ghost small"
                                                                        onClick={() => setSellConfirmId(null)}
                                                                        disabled={sellLoading}
                                                                    >
                                                                        취소
                                                                    </button>
                                                                </div>
                                                            ) : isDeleting ? (
                                                                <>
                                                                    <button
                                                                        className="button ghost small pf-btn-danger"
                                                                        onClick={() => handleDelete(item.id)}
                                                                    >
                                                                        확인
                                                                    </button>
                                                                    <button
                                                                        className="button ghost small"
                                                                        onClick={() => setDeleteConfirmId(null)}
                                                                    >
                                                                        취소
                                                                    </button>
                                                                </>
                                                            ) : (
                                                                <>
                                                                    <button
                                                                        className="button ghost small pf-btn-sell"
                                                                        onClick={() => {
                                                                            setSellConfirmId(item.id);
                                                                            setDeleteConfirmId(null);
                                                                        }}
                                                                        title="매도"
                                                                    >
                                                                        매도
                                                                    </button>
                                                                    <button
                                                                        className="button ghost small"
                                                                        onClick={() => {
                                                                            setDeleteConfirmId(item.id);
                                                                            setSellConfirmId(null);
                                                                        }}
                                                                        title="삭제"
                                                                    >
                                                                        🗑️
                                                                    </button>
                                                                </>
                                                            )}
                                                        </div>
                                                    </>
                                                )}
                                            </div>
                                        );
                                    })}
                                </div>
                            </section>
                        );
                    })}

                    {portfolioLoaded && portfolioHoldings.length === 0 && !portfolioError && (
                        <section className="stock-panel stock-panel--wide">
                            <p className="stock-empty" style={{ textAlign: 'center', padding: 24 }}>
                                등록된 종목이 없습니다. 상단의 <strong>+ 종목 추가</strong> 버튼으로 보유 종목을 등록하세요.
                            </p>
                        </section>
                    )}

                    {/* sell history → 드로어로 이동됨 */}
                </>
            )}

            {/* ════════════════════════════════════════════════════════
                TAB 2: AI 투자 (모의투자)
               ════════════════════════════════════════════════════════ */}
            {activeTab === TAB_AI && (
                <>
                    {balanceError ? <p className="stock-error">{balanceError}</p> : null}

                    {/* AI Balance section */}
                    <section className="stock-panel stock-panel--wide">
                        <div className="stock-panel__head">
                            <div>
                                <p className="stock-panel__eyebrow">AI 모의투자</p>
                                <h3>보유 현황</h3>
                                <p className="stock-panel__sub">
                                    AI가 운용 중인 모의투자 계좌의 잔고와 보유 종목을 확인합니다.
                                </p>
                            </div>
                            <div className="stock-panel__actions">
                                {balanceLoading ? (
                                    <span className="stock-chip">조회 중</span>
                                ) : null}
                                <button
                                    className="button ghost small"
                                    onClick={loadBalance}
                                    disabled={balanceLoading}
                                >
                                    새로고침
                                </button>
                            </div>
                        </div>
                        <div className="stock-balance">
                            <div className="stock-balance__summary">
                                {[
                                    { label: '총 평가', value: totalEval },
                                    { label: '예수금', value: deposit },
                                ].map((item) => (
                                    <div
                                        key={item.label}
                                        className="stock-balance__card"
                                    >
                                        <span>{item.label}</span>
                                        <strong>{formatNumber(item.value)}</strong>
                                    </div>
                                ))}
                            </div>
                            {holdings.length ? (
                                <div className="stock-holdings">
                                    {holdings.map((item, idx) => {
                                        const profitLoss = getProfitLoss(item);
                                        const profitLossNumeric = toNumeric(profitLoss);
                                        const profitClass = profitColorClass(profitLossNumeric);
                                        const profitRate = getProfitRate(item);
                                        const profitRateNumeric = toNumeric(profitRate);
                                        const profitRateClass = profitColorClass(profitRateNumeric);
                                        return (
                                            <div
                                                key={item.code ?? `${item.name}-${idx}`}
                                                className="stock-holdings__item"
                                            >
                                                <div>
                                                    <p className="stock-holdings__name">
                                                        {item.name ?? item.code ?? 'N/A'}
                                                    </p>
                                                    <span className="stock-holdings__code">
                                                        {item.code ?? ''}
                                                    </span>
                                                </div>
                                                <div className="stock-holdings__metric">
                                                    <span>수량</span>
                                                    <strong>
                                                        {formatNumber(getQty(item))}
                                                    </strong>
                                                </div>
                                                <div className="stock-holdings__metric">
                                                    <span>매입가</span>
                                                    <strong>
                                                        {formatNumber(getBuyPrice(item))}
                                                    </strong>
                                                </div>
                                                <div className="stock-holdings__metric">
                                                    <span>현재가</span>
                                                    <strong>
                                                        {formatNumber(getCurrentPrice(item))}
                                                    </strong>
                                                </div>
                                                <div className="stock-holdings__metric">
                                                    <span>평가금액</span>
                                                    <strong>
                                                        {getCurrentPrice(item) != null && getQty(item) != null
                                                            ? formatNumber(toNumeric(getCurrentPrice(item)) * toNumeric(getQty(item)))
                                                            : '-'}
                                                    </strong>
                                                </div>
                                                <div className="stock-holdings__metric">
                                                    <span>수익률</span>
                                                    <strong
                                                        className={`stock-profit ${profitRateClass}`}
                                                    >
                                                        {formatPercent(profitRate)}
                                                    </strong>
                                                </div>
                                                <div className="stock-holdings__metric">
                                                    <span>평가손익</span>
                                                    <strong
                                                        className={`stock-profit ${profitClass}`}
                                                    >
                                                        {formatNumber(profitLoss)}
                                                    </strong>
                                                </div>
                                            </div>
                                        );
                                    })}
                                </div>
                            ) : (
                                <p className="stock-empty">보유 종목이 없습니다.</p>
                            )}
                        </div>
                    </section>

                    {/* Manual order section */}
                    <section className="stock-panel stock-panel--wide">
                        <div className="stock-panel__head">
                            <div>
                                <p className="stock-panel__eyebrow">수동 주문</p>
                                <h3>직접 매수/매도</h3>
                                <p className="stock-panel__sub">
                                    종목명 또는 종목코드를 입력하고 매수/매도 주문을 요청합니다.
                                </p>
                            </div>
                        </div>
                        <form className="stock-order" onSubmit={submitManualOrder}>
                            <label>
                                종목명/코드
                                <input
                                    type="text"
                                    value={manualForm.code}
                                    onChange={(event) =>
                                        setManualForm((prev) => ({
                                            ...prev,
                                            code: event.target.value,
                                        }))
                                    }
                                    placeholder="005930 또는 삼성전자"
                                    required
                                />
                            </label>
                            <label>
                                매수/매도
                                <select
                                    value={manualForm.type}
                                    onChange={(event) =>
                                        setManualForm((prev) => ({
                                            ...prev,
                                            type: event.target.value,
                                        }))
                                    }
                                >
                                    <option value="buy">매수</option>
                                    <option value="sell">매도</option>
                                </select>
                            </label>
                            <label>
                                수량
                                <input
                                    type="number"
                                    min={1}
                                    step={1}
                                    value={manualForm.qty}
                                    onChange={(event) =>
                                        setManualForm((prev) => ({
                                            ...prev,
                                            qty: Number(event.target.value),
                                        }))
                                    }
                                    required
                                />
                            </label>
                            <label>
                                금액(원)
                                <input
                                    type="number"
                                    min={0}
                                    step={1}
                                    value={manualForm.price}
                                    onChange={(event) =>
                                        setManualForm((prev) => ({
                                            ...prev,
                                            price: Number(event.target.value),
                                        }))
                                    }
                                />
                            </label>
                            <button
                                className="button primary"
                                type="submit"
                                disabled={manualLoading}
                            >
                                {manualLoading ? '요청 중...' : '주문 요청'}
                            </button>
                            {manualError ? (
                                <p className="stock-error">{manualError}</p>
                            ) : null}
                            {manualResult ? (
                                <div className="stock-result">
                                    <p className="stock-result__title">요청 결과</p>
                                    <pre>
                                        {typeof manualResult === 'string'
                                            ? manualResult
                                            : JSON.stringify(manualResult, null, 2)}
                                    </pre>
                                </div>
                            ) : null}
                        </form>
                    </section>
                </>
            )}

            {/* ════════════════════════════════════════════════════════
                TAB 4: AI 어드바이저 — 프롬프트 생성/복사
               ════════════════════════════════════════════════════════ */}
            {activeTab === TAB_ADVISOR && (
                <section className="stock-panel stock-panel--wide advisor-panel">
                    {/* 헤더 */}
                    <div className="advisor-panel__head">
                        <div className="advisor-panel__title-block">
                            <span className="advisor-panel__badge">AI 어드바이저</span>
                            <h3 className="advisor-panel__title">포트폴리오 분석 프롬프트</h3>
                            <p className="advisor-panel__sub">
                                보유 종목 정보를 담은 전문가용 프롬프트를 생성합니다.
                                복사 후 Gemini, ChatGPT 등에 붙여넣어 분석을 받아보세요.
                            </p>
                        </div>
                        <div className="advisor-panel__actions">
                            <a
                                href="https://gemini.google.com"
                                target="_blank"
                                rel="noopener noreferrer"
                                className="button ghost small"
                            >
                                Gemini 열기 ↗
                            </a>
                            <a
                                href="https://chatgpt.com"
                                target="_blank"
                                rel="noopener noreferrer"
                                className="button ghost small"
                            >
                                ChatGPT 열기 ↗
                            </a>
                        </div>
                    </div>

                    {portfolioLoading && (
                        <div style={{ display: 'flex', justifyContent: 'center', padding: 24 }}>
                            <Loading type="spinner" message="포트폴리오 로딩 중..." />
                        </div>
                    )}

                    {!portfolioLoading && portfolioHoldings.length === 0 && (
                        <div className="advisor-panel__empty">
                            <span className="advisor-panel__empty-icon">📋</span>
                            <p>포트폴리오 탭에서 보유 종목을 먼저 등록해주세요.</p>
                        </div>
                    )}

                    {!portfolioLoading && portfolioHoldings.length > 0 && (
                        <div className="advisor-panel__body">
                            {/* 복사 버튼 */}
                            <div className="advisor-prompt__toolbar">
                                <span className="advisor-prompt__info">
                                    종목 {portfolioHoldings.length}개 · 총 자산 {totalAssets != null ? formatNumber(totalAssets) + '원' : '미집계'}
                                </span>
                                <button
                                    className={`button primary small ${advisorCopied ? 'is-copied' : ''}`}
                                    onClick={async () => {
                                        try {
                                            await navigator.clipboard.writeText(buildAdvisorPrompt());
                                            setAdvisorCopied(true);
                                            setTimeout(() => setAdvisorCopied(false), 2500);
                                        } catch {
                                            alert('클립보드 복사에 실패했습니다. 텍스트를 직접 선택해 복사하세요.');
                                        }
                                    }}
                                >
                                    {advisorCopied ? '✅ 복사됨' : '📋 프롬프트 복사'}
                                </button>
                            </div>

                            {/* 프롬프트 미리보기 */}
                            <pre className="advisor-prompt__preview">{buildAdvisorPrompt()}</pre>

                            <p className="advisor-panel__disclaimer">
                                ※ 이 프롬프트를 AI에 붙여넣으면 전문가 관점의 매매 조언을 받을 수 있습니다.
                                투자 결정은 최종적으로 본인의 판단과 책임 하에 이루어져야 합니다.
                            </p>
                        </div>
                    )}
                </section>
            )}

            {/* ════════════════════════════════════════════════════════
                TAB 3: 리포트 + AI 코치
               ════════════════════════════════════════════════════════ */}
            {activeTab === TAB_REPORT && (
                <>
                    {portfolioLoading && (
                        <div style={{ display: 'flex', justifyContent: 'center', padding: 24 }}>
                            <Loading type="spinner" message="포트폴리오 로딩 중..." />
                        </div>
                    )}
                    {portfolioError && <p className="stock-error">{portfolioError}</p>}

                    {/* ── 자산 배분 + 수익률 차트 ────────────────────── */}
                    {portfolioHoldings.length > 0 && (
                        <section className="stock-panel stock-panel--wide">
                            <div className="stock-panel__head">
                                <div>
                                    <p className="stock-panel__eyebrow">포트폴리오 분석</p>
                                    <h3>자산 배분 현황</h3>
                                </div>
                            </div>
                            <div className="report-charts-row">
                                <div className="report-chart-box">
                                    <p className="report-chart-title">증권사별 자산 배분</p>
                                    <ResponsiveContainer width="100%" height={220}>
                                        <PieChart>
                                            <Pie
                                                data={brokerPieData}
                                                cx="50%"
                                                cy="50%"
                                                innerRadius={52}
                                                outerRadius={84}
                                                dataKey="value"
                                                paddingAngle={2}
                                            >
                                                {brokerPieData.map((_, i) => (
                                                    <Cell key={i} fill={CHART_COLORS[i % CHART_COLORS.length]} />
                                                ))}
                                            </Pie>
                                            <ChartTooltip
                                                formatter={(v) => [formatNumber(v) + '원', '평가금액']}
                                                contentStyle={{ background: '#1e293b', border: 'none', borderRadius: 8, fontSize: 12 }}
                                            />
                                            <Legend
                                                iconType="circle"
                                                iconSize={8}
                                                formatter={(v) => <span style={{ color: '#9ca3af', fontSize: 12 }}>{v}</span>}
                                            />
                                        </PieChart>
                                    </ResponsiveContainer>
                                </div>
                                <div className="report-chart-box">
                                    <p className="report-chart-title">종목별 수익률 (%)</p>
                                    <ResponsiveContainer width="100%" height={220}>
                                        <BarChart data={profitBarData} margin={{ top: 0, right: 8, left: -16, bottom: 48 }}>
                                            <CartesianGrid strokeDasharray="3 3" stroke="rgba(255,255,255,0.06)" />
                                            <XAxis
                                                dataKey="name"
                                                tick={{ fill: '#9ca3af', fontSize: 10 }}
                                                angle={-40}
                                                textAnchor="end"
                                                interval={0}
                                            />
                                            <YAxis
                                                tick={{ fill: '#9ca3af', fontSize: 10 }}
                                                tickFormatter={(v) => `${v}%`}
                                            />
                                            <ChartTooltip
                                                formatter={(v, _n, props) => [`${v.toFixed(2)}%`, props.payload.fullName]}
                                                contentStyle={{ background: '#1e293b', border: 'none', borderRadius: 8, fontSize: 12 }}
                                            />
                                            <Bar dataKey="rate" radius={[4, 4, 0, 0]}>
                                                {profitBarData.map((entry, i) => (
                                                    <Cell key={i} fill={entry.rate >= 0 ? '#34d399' : '#f87171'} />
                                                ))}
                                            </Bar>
                                        </BarChart>
                                    </ResponsiveContainer>
                                </div>
                            </div>
                        </section>
                    )}

                    {/* ── 리스크 분산 분석 ─────────────────────────────── */}
                    {portfolioHoldings.length > 0 && portfolioSummary.total_eval != null && (
                        <section className="stock-panel stock-panel--wide">
                            <div className="stock-panel__head">
                                <div>
                                    <p className="stock-panel__eyebrow">리스크 관리</p>
                                    <h3>분산 분석</h3>
                                    <p className="stock-panel__sub">증권사·종목 집중도를 확인합니다. 단일 비중 40% 초과 시 주의.</p>
                                </div>
                            </div>
                            <div className="risk-grid">
                                {/* 증권사별 집중도 */}
                                <div className="risk-card">
                                    <p className="risk-card__title">증권사별 집중도</p>
                                    {brokerConcentration.length === 0 ? (
                                        <p className="stock-empty" style={{ fontSize: 13 }}>평가금액 데이터 없음</p>
                                    ) : (
                                        <>
                                            {brokerConcentration.some((b) => b.ratio > 40) && (
                                                <div className="risk-warning">
                                                    ⚠️ 단일 증권사 집중도가 40%를 초과합니다
                                                </div>
                                            )}
                                            {brokerConcentration.map(({ broker, eval: evalAmt, ratio }) => {
                                                const level = ratio >= 60 ? 'is-danger' : ratio >= 40 ? 'is-warn' : 'is-ok';
                                                return (
                                                    <div key={broker} className="risk-item">
                                                        <div className="risk-item__head">
                                                            <span className="risk-item__name">{broker}</span>
                                                            <span className={`risk-item__ratio ${level}`}>{ratio.toFixed(1)}%</span>
                                                        </div>
                                                        <div className="risk-bar">
                                                            <div className={`risk-bar__fill ${level}`} style={{ width: `${Math.min(ratio, 100)}%` }} />
                                                        </div>
                                                        <span style={{ fontSize: 11, color: 'var(--muted)' }}>{formatNumber(evalAmt)}원</span>
                                                    </div>
                                                );
                                            })}
                                        </>
                                    )}
                                </div>
                                {/* 종목별 집중도 */}
                                <div className="risk-card">
                                    <p className="risk-card__title">상위 5 종목 집중도</p>
                                    {stockConcentration.length === 0 ? (
                                        <p className="stock-empty" style={{ fontSize: 13 }}>현재가 데이터 없음</p>
                                    ) : (
                                        <>
                                            {stockConcentration.some((s) => s.ratio > 40) && (
                                                <div className="risk-warning">
                                                    ⚠️ 단일 종목 집중도가 40%를 초과합니다
                                                </div>
                                            )}
                                            {stockConcentration.map(({ name, ticker, eval: evalAmt, ratio }) => {
                                                const level = ratio >= 60 ? 'is-danger' : ratio >= 40 ? 'is-warn' : 'is-ok';
                                                return (
                                                    <div key={ticker || name} className="risk-item">
                                                        <div className="risk-item__head">
                                                            <span className="risk-item__name">{name}</span>
                                                            <span className={`risk-item__ratio ${level}`}>{ratio.toFixed(1)}%</span>
                                                        </div>
                                                        <div className="risk-bar">
                                                            <div className={`risk-bar__fill ${level}`} style={{ width: `${Math.min(ratio, 100)}%` }} />
                                                        </div>
                                                        <span style={{ fontSize: 11, color: 'var(--muted)' }}>
                                                            {ticker && <span style={{ marginRight: 6 }}>{ticker}</span>}
                                                            {formatNumber(evalAmt)}원
                                                        </span>
                                                    </div>
                                                );
                                            })}
                                        </>
                                    )}
                                </div>
                            </div>
                        </section>
                    )}

                    {/* ── 수익률 랭킹 테이블 ─────────────────────────── */}
                    {portfolioHoldings.length > 0 && (
                        <section className="stock-panel stock-panel--wide">
                            <div className="stock-panel__head">
                                <div>
                                    <p className="stock-panel__eyebrow">수익률 랭킹</p>
                                    <h3>종목별 상세 현황</h3>
                                    <p className="stock-panel__sub">헤더 클릭으로 정렬 · 비중은 총 평가금액 대비</p>
                                </div>
                            </div>
                            <div className="report-table-wrapper">
                                <table className="report-table">
                                    <thead>
                                        <tr>
                                            {[
                                                { key: 'name', label: '종목명' },
                                                { key: 'broker', label: '증권사' },
                                                { key: 'profit_rate', label: '수익률' },
                                                { key: 'profit_amount', label: '평가손익' },
                                                { key: 'eval_amount', label: '평가금액' },
                                            ].map(({ key, label }) => (
                                                <th key={key} onClick={() => handleReportSort(key)}>
                                                    {label}{' '}
                                                    <span className="report-sort-icon">
                                                        {reportSortField === key
                                                            ? reportSortDir === 'asc' ? '↑' : '↓'
                                                            : '↕'}
                                                    </span>
                                                </th>
                                            ))}
                                            <th style={{ cursor: 'default' }}>비중</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        {sortedHoldings.map((item) => {
                                            const rateN = toNumeric(item.profit_rate);
                                            const pnlN = toNumeric(item.profit_amount);
                                            const evalAmt = item.eval_amount != null
                                                ? item.eval_amount
                                                : item.current_price != null
                                                    ? item.current_price * item.quantity
                                                    : null;
                                            const totalEval = toNumeric(portfolioSummary.total_eval);
                                            const weight = evalAmt != null && totalEval
                                                ? Math.round((evalAmt / totalEval) * 1000) / 10
                                                : null;
                                            return (
                                                <tr key={item.id}>
                                                    <td>
                                                        <p className="report-table-name">{item.name ?? item.ticker ?? 'N/A'}</p>
                                                        <span className="report-table-code">{item.ticker ?? ''}</span>
                                                    </td>
                                                    <td className="report-td-muted">{item.broker ?? '-'}</td>
                                                    <td className={`stock-profit ${profitColorClass(rateN)}`}>
                                                        <div className="report-rate-cell">
                                                            <span>{item.profit_rate != null ? formatPercent(item.profit_rate) : '-'}</span>
                                                            {rateN != null && (
                                                                <div className="report-rate-bar">
                                                                    <div
                                                                        className={`report-rate-bar__fill ${rateN >= 0 ? 'is-up' : 'is-down'}`}
                                                                        style={{ width: `${maxAbsRate > 0 ? Math.abs(rateN) / maxAbsRate * 100 : 0}%` }}
                                                                    />
                                                                </div>
                                                            )}
                                                        </div>
                                                    </td>
                                                    <td className={`stock-profit ${profitColorClass(pnlN)}`}>
                                                        {item.profit_amount != null ? formatNumber(item.profit_amount) : '-'}
                                                    </td>
                                                    <td className="report-td-muted">
                                                        {evalAmt != null ? formatNumber(evalAmt) : '-'}
                                                    </td>
                                                    <td className="report-td-muted">
                                                        {weight != null ? `${weight.toFixed(1)}%` : '-'}
                                                    </td>
                                                </tr>
                                            );
                                        })}
                                    </tbody>
                                </table>
                            </div>
                        </section>
                    )}

                    {portfolioLoaded && portfolioHoldings.length === 0 && !portfolioError && (
                        <section className="stock-panel stock-panel--wide">
                            <p className="stock-empty" style={{ textAlign: 'center', padding: 24 }}>
                                등록된 종목이 없습니다. <strong>쟁승토리 계좌</strong> 탭에서 종목을 먼저 등록하세요.
                            </p>
                        </section>
                    )}

                    {/* ── AI 투자 코치 ───────────────────────────────── */}
                    <section className="stock-panel stock-panel--wide">
                        <div className="stock-panel__head">
                            <div>
                                <p className="stock-panel__eyebrow">AI 투자 코치</p>
                                <h3>오늘의 투자 평가</h3>
                                <p className="stock-panel__sub">
                                    포트폴리오를 AI가 분석하여 성취도 등급과 내일을 위한 투자 조언을 드립니다.
                                </p>
                            </div>
                        </div>

                        {/* 시장 컨텍스트 미니 패널 */}
                        {marketCtx && (
                            <div className="ai-market-ctx">
                                <span className="ai-market-ctx__label">시장 환경</span>
                                <div className="ai-market-ctx__chips">
                                    {marketCtx.vix != null && (
                                        <span className="ai-market-chip">
                                            VIX&nbsp;<strong>{marketCtx.vix}</strong>
                                            <em>{getVixLabel(marketCtx.vix)}</em>
                                        </span>
                                    )}
                                    {marketCtx.fg != null && (
                                        <span className="ai-market-chip">
                                            F&amp;G&nbsp;<strong>{marketCtx.fg}</strong>
                                            <em>{getFgLabel(marketCtx.fg)}</em>
                                        </span>
                                    )}
                                    {marketCtx.treasury != null && (
                                        <span className="ai-market-chip">
                                            10년물&nbsp;<strong>{marketCtx.treasury}%</strong>
                                        </span>
                                    )}
                                    {marketCtx.wti != null && (
                                        <span className="ai-market-chip">
                                            WTI&nbsp;<strong>${marketCtx.wti}</strong>
                                        </span>
                                    )}
                                </div>
                            </div>
                        )}

                        {/* API Key 설정 */}
                        <div className="ai-coach-settings">
                            <label>
                                Anthropic API Key
                                <div className="ai-coach-key-row">
                                    <input
                                        type="password"
                                        className="ai-coach-key-input"
                                        value={aiApiKey}
                                        onChange={(e) => setAiApiKey(e.target.value)}
                                        placeholder="sk-ant-api03-..."
                                    />
                                    <button
                                        className="button ghost small"
                                        type="button"
                                        onClick={() => {
                                            localStorage.setItem('ai_coach_key', aiApiKey);
                                            localStorage.setItem('ai_coach_model', aiModel);
                                        }}
                                    >
                                        저장
                                    </button>
                                </div>
                            </label>
                            <label>
                                AI 모델
                                <select
                                    value={aiModel}
                                    onChange={(e) => {
                                        setAiModel(e.target.value);
                                        localStorage.setItem('ai_coach_model', e.target.value);
                                    }}
                                >
                                    <option value="claude-haiku-4-5-20251001">Claude Haiku (빠름·저렴)</option>
                                    <option value="claude-sonnet-4-6">Claude Sonnet (고성능)</option>
                                </select>
                            </label>
                        </div>

                        <div className="ai-coach-actions">
                            <button
                                className="button primary"
                                type="button"
                                onClick={handleAiCoach}
                                disabled={aiLoading || !aiApiKey.trim() || portfolioHoldings.length === 0}
                            >
                                {aiLoading ? 'AI 분석 중...' : '오늘 투자 평가 받기'}
                            </button>
                            {portfolioHoldings.length === 0 && (
                                <span className="ai-coach-note">종목 등록 후 이용 가능합니다.</span>
                            )}
                            {aiResult?.generated_at && (
                                <span className="ai-coach-note">
                                    {aiResult.cached ? '오늘 캐시 결과 · ' : ''}
                                    {new Date(aiResult.generated_at).toLocaleTimeString('ko-KR')} 생성
                                </span>
                            )}
                        </div>

                        {aiError && <p className="stock-error" style={{ marginTop: 8 }}>{aiError}</p>}

                        {aiResult && !aiLoading && (
                            <div className="ai-coach-result">
                                <div className="ai-coach-header">
                                    <div className={`ai-grade-badge grade-${(aiResult.grade ?? 'c').toLowerCase()}`}>
                                        {aiResult.grade ?? '?'}
                                    </div>
                                    <div className="ai-score-wrap">
                                        <span className="ai-score-num">{aiResult.score ?? 0}</span>
                                        <span className="ai-score-unit">/ 100</span>
                                    </div>
                                    <p className="ai-summary-text">{aiResult.summary}</p>
                                </div>
                                <p className="ai-evaluation-text">{aiResult.evaluation}</p>
                                {aiResult.advice?.length > 0 && (
                                    <div className="ai-advice-list">
                                        {aiResult.advice.map((a, i) => (
                                            <div key={i} className="ai-advice-card">
                                                <p className="ai-advice-title">{a.title}</p>
                                                <p className="ai-advice-body">{a.body}</p>
                                            </div>
                                        ))}
                                    </div>
                                )}
                                <button
                                    className="button ghost small"
                                    type="button"
                                    style={{ marginTop: 16, fontSize: 11 }}
                                    onClick={() => {
                                        const today = new Date().toISOString().slice(0, 10);
                                        localStorage.removeItem(`ai_coach_${today}`);
                                        setAiResult(null);
                                    }}
                                >
                                    다시 평가받기 (캐시 삭제)
                                </button>
                            </div>
                        )}
                    </section>
                </>
            )}

            {/* KIS modal */}
            {kisModal ? (
                <div className="stock-modal" role="dialog" aria-modal="true">
                    <div
                        className="stock-modal__backdrop"
                        onClick={() => setKisModal('')}
                    />
                    <div className="stock-modal__card">
                        <div className="stock-modal__head">
                            <h4>주문 결과</h4>
                            <button
                                type="button"
                                className="button ghost small"
                                onClick={() => setKisModal('')}
                            >
                                닫기
                            </button>
                        </div>
                        <pre>{kisModal}</pre>
                    </div>
                </div>
            ) : null}

            {/* ── 실현손익 floating 토글 버튼 (마우스 추적) ────────── */}
            {!sellDrawerOpen && (
                <button
                    type="button"
                    className="sh-floating-toggle"
                    onClick={() => {
                        setSellDrawerOpen(true);
                        loadSellHistory();
                    }}
                    title="실현손익 내역"
                >
                    <span className="sh-floating-toggle__icon">💹</span>
                    <span className="sh-floating-toggle__label">실현손익</span>
                    {sellHistory.length > 0 && (
                        <span className="sh-floating-toggle__badge">{sellHistory.length}</span>
                    )}
                </button>
            )}

            {/* ════════════════════════════════════════════════════════
                실현손익 드로어
               ════════════════════════════════════════════════════════ */}
            {sellDrawerOpen && (
                <div
                    className="sh-backdrop"
                    onClick={() => { setSellDrawerOpen(false); handleSellFormClose(); }}
                />
            )}
            <aside className={`sh-drawer ${sellDrawerOpen ? 'is-open' : ''}`}>
                {/* 드로어 헤더 */}
                <div className="sh-drawer__header">
                    <div>
                        <p className="sh-drawer__eyebrow">실현손익</p>
                        <h3 className="sh-drawer__title">매도 거래 내역</h3>
                    </div>
                    <div className="sh-drawer__header-actions">
                        {sellHistoryLoading && <Loading type="spinner" message="" />}
                        <button
                            className="button ghost small"
                            onClick={loadSellHistory}
                            disabled={sellHistoryLoading}
                        >
                            새로고침
                        </button>
                        <button
                            className="button primary small"
                            onClick={sellFormOpen && sellEditId == null ? handleSellFormClose : handleSellFormOpen}
                        >
                            {sellFormOpen && sellEditId == null ? '취소' : '+ 추가'}
                        </button>
                        <button
                            className="sh-drawer__close"
                            type="button"
                            onClick={() => { setSellDrawerOpen(false); handleSellFormClose(); }}
                            aria-label="닫기"
                        >
                            ✕
                        </button>
                    </div>
                </div>

                {/* 수동 추가 / 수정 폼 */}
                {sellFormOpen && (
                    <form className="sh-form" onSubmit={handleSellFormSubmit}>
                        <div className="sh-form__title">
                            {sellEditId != null ? '거래 내역 수정' : '매도 내역 수동 추가'}
                        </div>
                        <div className="sh-form__grid">
                            <label>
                                증권사
                                <input
                                    type="text"
                                    value={sellForm.broker}
                                    onChange={(e) => setSellForm((p) => ({ ...p, broker: e.target.value }))}
                                    placeholder="KB증권"
                                    required
                                />
                            </label>
                            <label>
                                종목코드
                                <input
                                    type="text"
                                    value={sellForm.ticker}
                                    onChange={(e) => setSellForm((p) => ({ ...p, ticker: e.target.value }))}
                                    placeholder="005930"
                                />
                            </label>
                            <label>
                                종목명
                                <input
                                    type="text"
                                    value={sellForm.name}
                                    onChange={(e) => setSellForm((p) => ({ ...p, name: e.target.value }))}
                                    placeholder="삼성전자"
                                    required
                                />
                            </label>
                            <label>
                                수량
                                <input
                                    type="number"
                                    min={1}
                                    step={1}
                                    value={sellForm.quantity}
                                    onChange={(e) => setSellForm((p) => ({ ...p, quantity: e.target.value }))}
                                    placeholder="10"
                                    required
                                />
                            </label>
                            <label>
                                평균 매입가 (원)
                                <input
                                    type="number"
                                    min={0}
                                    step={1}
                                    value={sellForm.avg_price}
                                    onChange={(e) => setSellForm((p) => ({ ...p, avg_price: e.target.value }))}
                                    placeholder="58000"
                                    required
                                />
                            </label>
                            <label>
                                매도가 (원)
                                <input
                                    type="number"
                                    min={0}
                                    step={1}
                                    value={sellForm.sell_price}
                                    onChange={(e) => setSellForm((p) => ({ ...p, sell_price: e.target.value }))}
                                    placeholder="62000"
                                    required
                                />
                            </label>
                            <label>
                                수수료 & 세금 (원)
                                <input
                                    type="number"
                                    min={0}
                                    step={1}
                                    value={sellForm.commission}
                                    onChange={(e) => setSellForm((p) => ({ ...p, commission: e.target.value }))}
                                    placeholder="0"
                                />
                            </label>
                            <label className="sh-form__datetime">
                                매도 일시
                                <input
                                    type="datetime-local"
                                    value={sellForm.sold_at}
                                    onChange={(e) => setSellForm((p) => ({ ...p, sold_at: e.target.value }))}
                                    required
                                />
                            </label>
                        </div>
                        {sellForm.quantity && sellForm.avg_price && sellForm.sell_price && (() => {
                            const qty = Number(sellForm.quantity);
                            const buy = Number(sellForm.avg_price) * qty;
                            const sell = Number(sellForm.sell_price) * qty;
                            const commission = Number(sellForm.commission) || 0;
                            const profit = sell - buy - commission;
                            const rate = buy > 0 ? (profit / buy) * 100 : 0;
                            return (
                                <div className="sh-form__preview">
                                    <span>매도금액 <strong>{formatNumber(Math.round(sell))}원</strong></span>
                                    {commission > 0 && (
                                        <span>수수료 & 세금 <strong className="stock-profit is-negative">-{formatNumber(Math.round(commission))}원</strong></span>
                                    )}
                                    <span>실현손익 <strong className={`stock-profit ${profitColorClass(profit)}`}>{formatNumber(Math.round(profit))}원</strong></span>
                                    <span>수익률 <strong className={`stock-profit ${profitColorClass(rate)}`}>{formatPercent(rate)}</strong></span>
                                </div>
                            );
                        })()}
                        <div className="sh-form__actions">
                            <button className="button primary" type="submit" disabled={sellFormSaving}>
                                {sellFormSaving ? '저장 중...' : (sellEditId != null ? '수정 저장' : '추가')}
                            </button>
                            <button className="button ghost" type="button" onClick={handleSellFormClose} disabled={sellFormSaving}>
                                취소
                            </button>
                            {sellFormError && <p className="stock-error">{sellFormError}</p>}
                        </div>
                    </form>
                )}

                {/* 필터 바 */}
                <div className="sell-history__filters">
                    <div className="sell-history__filter-group">
                        <span className="sell-history__filter-label">계좌</span>
                        {sellHistoryBrokers.map((b) => (
                            <button
                                key={b}
                                type="button"
                                className={`sell-history__filter-btn ${sellHistoryBroker === b ? 'is-active' : ''}`}
                                onClick={() => setSellHistoryBroker(b)}
                            >
                                {b === 'ALL' ? '전체' : b}
                            </button>
                        ))}
                    </div>
                    <div className="sell-history__filter-group">
                        <span className="sell-history__filter-label">기간</span>
                        {[
                            { label: '1개월', value: '1M' },
                            { label: '3개월', value: '3M' },
                            { label: '6개월', value: '6M' },
                            { label: '1년', value: '1Y' },
                            { label: '전체', value: 'ALL' },
                        ].map(({ label, value }) => (
                            <button
                                key={value}
                                type="button"
                                className={`sell-history__filter-btn ${sellHistoryPeriod === value ? 'is-active' : ''}`}
                                onClick={() => setSellHistoryPeriod(value)}
                            >
                                {label}
                            </button>
                        ))}
                    </div>
                </div>

                {/* 요약 카드 */}
                {filteredSellHistory.length > 0 && (
                    <div className="sell-history__summary">
                        <div className="sell-history__summary-card">
                            <span>거래 횟수</span>
                            <strong>{sellHistorySummary.count}건</strong>
                        </div>
                        <div className="sell-history__summary-card">
                            <span>총 매도금액</span>
                            <strong>{formatNumber(sellHistorySummary.totalSell)}원</strong>
                        </div>
                        <div className="sell-history__summary-card">
                            <span>총 수수료 & 세금</span>
                            <strong className="stock-profit is-negative">
                                -{formatNumber(Math.round(sellHistorySummary.totalCommission))}원
                            </strong>
                        </div>
                        <div className="sell-history__summary-card">
                            <span>실현손익 합계</span>
                            <strong className={`stock-profit ${profitColorClass(sellHistorySummary.totalProfit)}`}>
                                {formatNumber(Math.round(sellHistorySummary.totalProfit))}원
                            </strong>
                        </div>
                        <div className="sell-history__summary-card">
                            <span>평균 수익률</span>
                            <strong className={`stock-profit ${profitColorClass(sellHistorySummary.rate)}`}>
                                {formatPercent(sellHistorySummary.rate)}
                            </strong>
                        </div>
                    </div>
                )}

                {/* 거래 내역 목록 */}
                {filteredSellHistory.length > 0 ? (
                    <div className="sh-drawer__list">
                        {filteredSellHistory.map((r) => {
                            const profitN = r.realized_profit ?? 0;
                            const rateN = r.realized_rate ?? 0;
                            return (
                                <div key={r.id} className="sh-drawer__item">
                                    <div className="sh-drawer__item-top">
                                        <div className="sh-drawer__item-name">
                                            <span>{r.name}</span>
                                            {r.ticker && <code>{r.ticker}</code>}
                                        </div>
                                        <div className="sh-drawer__item-actions">
                                            <button
                                                type="button"
                                                className="button ghost small"
                                                onClick={() => handleSellEditStart(r)}
                                                title="수정"
                                            >
                                                ✏️
                                            </button>
                                            <button
                                                type="button"
                                                className="button ghost small pf-btn-danger"
                                                onClick={() => handleDeleteSellRecord(r.id)}
                                                title="삭제"
                                            >
                                                🗑️
                                            </button>
                                        </div>
                                    </div>
                                    <div className="sh-drawer__item-meta">
                                        <span className="sell-history__broker">{r.broker}</span>
                                        <span className="sell-history__date">
                                            {new Date(r.sold_at).toLocaleString('ko-KR', {
                                                year: 'numeric', month: '2-digit', day: '2-digit',
                                                hour: '2-digit', minute: '2-digit',
                                            })}
                                        </span>
                                    </div>
                                    <div className="sh-drawer__item-metrics">
                                        <div>
                                            <span>수량</span>
                                            <strong>{formatNumber(r.quantity)}</strong>
                                        </div>
                                        <div>
                                            <span>매입가</span>
                                            <strong>{formatNumber(r.avg_price)}</strong>
                                        </div>
                                        <div>
                                            <span>매도가</span>
                                            <strong>{formatNumber(r.sell_price)}</strong>
                                        </div>
                                        <div>
                                            <span>매도금액</span>
                                            <strong>{formatNumber(Math.round(r.sell_amount))}</strong>
                                        </div>
                                        {(r.commission > 0) && (
                                            <div>
                                                <span>수수료 & 세금</span>
                                                <strong className="stock-profit is-negative">
                                                    -{formatNumber(Math.round(r.commission))}
                                                </strong>
                                            </div>
                                        )}
                                        <div>
                                            <span>실현손익</span>
                                            <strong className={`stock-profit ${profitColorClass(profitN)}`}>
                                                {formatNumber(Math.round(profitN))}
                                            </strong>
                                        </div>
                                        <div>
                                            <span>수익률</span>
                                            <strong className={`stock-profit ${profitColorClass(rateN)}`}>
                                                {formatPercent(rateN)}
                                            </strong>
                                        </div>
                                    </div>
                                </div>
                            );
                        })}
                    </div>
                ) : (
                    <p className="stock-empty sh-drawer__empty">
                        {sellHistory.length === 0
                            ? '아직 매도 기록이 없습니다.'
                            : '필터 조건에 맞는 기록이 없습니다.'}
                    </p>
                )}
            </aside>
        </div>
    );
};

export default StockTrade;