/* Portfolio Analyst — input → SSE progress → results summary. No frameworks. */
"use strict";

const $ = (s, el) => (el || document).querySelector(s);
const el = (tag, cls, html) => { const e = document.createElement(tag); if (cls) e.className = cls; if (html !== undefined) e.innerHTML = html; return e; };
const esc = s => String(s ?? "").replace(/[&<>"']/g, c => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
const pct = (x, signed = true) => (x === null || x === undefined || isNaN(x)) ? "–"
  : ((signed && x > 0 ? "+" : "") + (x * 100).toFixed(1) + "%");
const SECTOR_COLORS = ["#6c8cff", "#2fbf71", "#e8a838", "#e35d6a", "#9b6cff", "#39c2c9",
  "#ff8cc3", "#a3d267", "#c98d5a", "#7f93b8", "#5ad2a8", "#d26767"];

/* ───────── view switching ───────── */
function show(view) {
  for (const v of ["input", "progress", "results"]) $("#view-" + v).hidden = (v !== view);
  window.scrollTo({ top: 0 });
}

/* ───────── input rows ───────── */
const rowsEl = $("#rows");

function addRow(query = "", entry = "", qty = "", bought = "") {
  const tr = el("tr");
  tr.innerHTML = `
    <td><input class="q" placeholder="NVDA or SK Hynix" value="${esc(query)}"></td>
    <td><input class="e" type="number" min="0" step="any" placeholder="e.g. 450" value="${esc(entry)}"></td>
    <td><input class="n" type="number" step="any" placeholder="—" title="Quantity — negative for a sale" value="${esc(qty)}"></td>
    <td><input class="b" type="date" title="Purchase date — unlocks short- vs long-term tax treatment" value="${esc(bought)}"></td>
    <td class="resolved-cell"><div class="resolved"></div></td>
    <td><button class="rm" title="Remove">×</button></td>`;
  tr.querySelector(".rm").onclick = () => { tr.remove(); if (!rowsEl.children.length) addRow(); };
  const q = tr.querySelector(".q"), e = tr.querySelector(".e");
  let timer = null;
  const kick = () => { clearTimeout(timer); delete tr.dataset.split; delete tr.dataset.presplit;
                       timer = setTimeout(() => resolveRow(tr), 500); };
  q.addEventListener("change", kick); e.addEventListener("change", kick);
  rowsEl.appendChild(tr);
  return tr;
}

async function resolveRow(tr, attempt = 0) {
  const q = tr.querySelector(".q").value.trim();
  const entry = parseFloat(tr.querySelector(".e").value);
  const out = tr.querySelector(".resolved");
  if (!q) { out.textContent = ""; return; }
  out.className = "resolved"; out.textContent = attempt ? "retrying…" : "looking up…";
  let r = null;
  try {
    const resp = await fetch("/api/resolve", {
      method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ query: q, entry: isFinite(entry) ? entry : null }),
    });
    if (resp.ok) r = await resp.json();
  } catch { r = null; }
  if (r && !(r.retry && !r.ok)) { applyResolved(tr, r); return; }
  // a transient failure (server waking up, data-source blip): one automatic retry, then a
  // click-to-retry — a dead "lookup failed" on a GOOG row helps nobody
  if (attempt < 1) { setTimeout(() => resolveRow(tr, attempt + 1), 1500); return; }
  out.className = "resolved err retry";
  out.textContent = (r && r.error) ? r.error : "lookup failed (server busy) — click to retry";
  out.title = "click to retry";
  out.onclick = () => { out.onclick = null; resolveRow(tr, 0); };
}

function applyResolved(tr, r) {
  const out = tr.querySelector(".resolved");
  {
    if (!r.ok) { out.className = "resolved err"; out.textContent = r.error; tr.querySelector(".q").classList.add("bad"); return; }
    tr.querySelector(".q").classList.remove("bad");
    tr.dataset.symbol = r.symbol;
    let html = `<b>${esc(r.symbol)}</b> ${esc(r.name || "")} · ${Number(r.price).toFixed(2)} ${esc(r.currency)}`;
    if (r.pl_pct !== undefined)
      html += ` · <span class="${r.pl_pct >= 0 ? "pl-up" : "pl-dn"}">${pct(r.pl_pct)} since entry</span>`;
    out.innerHTML = html;
    markLots();
    for (const w of r.warnings || []) {
      if ((w.code === "presplit_ask" || w.code === "presplit") && w.suggest && w.suggest.field === "entry") {
        // never rewrite the user's numbers: whether the QUANTITY is pre- or post-split only
        // they know (7 shares at 171 vs 70 at 17.13) — ask, with the maths shown
        if (tr.dataset.split === "keep") {
          out.appendChild(el("div", "warn-note", `↕ ${esc(w.message)} Kept as entered (you confirmed it).`));
          continue;
        }
        tr.dataset.presplit = "1";
        const entryNow = parseFloat(tr.querySelector(".e").value), qtyNow = parseFloat(tr.querySelector(".n").value);
        const ratio = entryNow / Number(w.suggest.value);
        const div = el("div", "warn-note", `↕ ${esc(w.message)} Which is right? `);
        const mk = (label, fn) => { const b = el("button", "warn-apply", label); b.onclick = (ev) => { ev.preventDefault(); fn(); }; div.appendChild(b); div.appendChild(document.createTextNode(" ")); };
        mk(`Adjust price & quantity → ${Number(w.suggest.value).toFixed(2)}${isFinite(qtyNow) ? ` × ${Math.round(qtyNow * ratio)} shares` : ""}`, () => {
          tr.dataset.split = "both"; tr.querySelector(".e").value = w.suggest.value;
          if (isFinite(qtyNow)) tr.querySelector(".n").value = Math.round(qtyNow * ratio * 1000) / 1000;
          delete tr.dataset.presplit; resolveRow(tr);
        });
        mk(`Adjust price only → ${Number(w.suggest.value).toFixed(2)} (quantity is already post-split)`, () => {
          tr.dataset.split = "price"; tr.querySelector(".e").value = w.suggest.value; delete tr.dataset.presplit; resolveRow(tr);
        });
        mk(`Keep ${entryNow} as entered`, () => { tr.dataset.split = "keep"; delete tr.dataset.presplit; resolveRow(tr); });
        out.appendChild(div);
        continue;
      }
      const div = el("div", "warn-note", `⚠ ${esc(w.message)} `);
      if (w.suggest) {
        const btn = el("button", "warn-apply", esc(w.suggest.label));
        btn.onclick = (ev) => {
          ev.preventDefault();
          tr.querySelector(w.suggest.field === "entry" ? ".e" : ".q").value = w.suggest.value;
          resolveRow(tr);
        };
        div.appendChild(btn);
        div.appendChild(el("span", "warn-keep", " or keep yours if it's right."));
      }
      out.appendChild(div);
    }
  }
}

/* several rows resolving to one symbol are LOTS of the same holding: show the running
   average so the user sees what the analysis will use (backend does the same maths) */
function markLots() {
  const groups = {};
  for (const tr of rowsEl.children) {
    const sym = tr.dataset.symbol;
    if (sym) (groups[sym] = groups[sym] || []).push(tr);
  }
  for (const tr of rowsEl.children) tr.querySelectorAll(".lot-chip").forEach(x => x.remove());
  for (const trs of Object.values(groups)) {
    if (trs.length < 2) continue;
    const lots = trs.map(tr => ({ e: parseFloat(tr.querySelector(".e").value), n: parseFloat(tr.querySelector(".n").value) }));
    const buys = lots.filter(l => isFinite(l.e) && !(l.n < 0));
    const sized = buys.every(l => l.n > 0);
    const bq = buys.reduce((a, l) => a + (l.n > 0 ? l.n : 0), 0);
    const avg = sized && bq > 0 ? buys.reduce((a, l) => a + l.n * l.e, 0) / bq
                                : buys.reduce((a, l) => a + l.e, 0) / Math.max(buys.length, 1);
    const net = bq - lots.filter(l => l.n < 0).reduce((a, l) => a - l.n, 0);
    trs.forEach((tr, i) => {
      const chip = el("span", "sig lot-chip",
        `lot ${i + 1} of ${trs.length} · avg ${avg.toFixed(2)}${sized ? ` · net ${net}` : " (add quantities to weight it)"}`);
      tr.querySelector(".resolved").appendChild(chip);
    });
  }
}
rowsEl.addEventListener("change", (ev) => { if (ev.target.classList.contains("n") || ev.target.classList.contains("e")) markLots(); });

$("#add-row").onclick = () => addRow();

/* ───────── file import: extract → prefill → user reviews & confirms ───────── */
$("#import-file").onclick = () => $("#file-input").click();
function importProgress(st, label) {
  st.hidden = false;
  st.innerHTML = `<div class="imp-label">${esc(label)}</div>
    <div class="mini-track"><div class="mini-fill"></div></div>`;
}

$("#file-input").addEventListener("change", async (e) => {
  const f = e.target.files && e.target.files[0];
  if (!f) return;
  const st = $("#import-status");
  importProgress(st, `Reading ${f.name} — extracting holdings (aggregating lots)…`);
  const fd = new FormData(); fd.append("file", f);
  let resp;
  try { resp = await fetch("/api/import", { method: "POST", body: fd }); }
  catch { st.textContent = "Upload failed — try again or enter holdings manually."; return; }
  if (!resp.ok) {
    const d = await resp.json().catch(() => ({}));
    st.textContent = d.detail || "Couldn't read that file.";
    return;
  }
  const d = await resp.json();
  rowsEl.innerHTML = "";
  const trs = d.rows.map(r => addRow(r.query, r.entry ?? "", r.qty ?? ""));
  // one server round trip resolves every row in parallel (and pre-warms the analysis data)
  importProgress(st, `Found ${d.rows.length} holdings — verifying live prices for all ${trs.length} at once…`);
  try {
    const br = await fetch("/api/resolve_batch", { method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ rows: d.rows.map(r => ({ query: r.query, entry: r.entry ?? null })) }) }).then(x => x.json());
    if (!Array.isArray(br.results)) throw new Error("no results");
    br.results.forEach((r, i) => {
      if (!trs[i]) return;
      if (r && r.retry && !r.ok) resolveRow(trs[i], 1);   // per-row retry for the transient failures only
      else applyResolved(trs[i], r);
    });
  } catch {
    for (let i = 0; i < trs.length; i += 5) await Promise.all(trs.slice(i, i + 5).map(tr => resolveRow(tr)));
  }
  st.textContent = `Imported ${d.rows.length} holding${d.rows.length > 1 ? "s" : ""} — ` +
    `review each row and fix anything before running.` +
    (d.note ? ` Note: ${d.note}` : "");
  e.target.value = "";
});

/* ───────── global stats ticker ───────── */
(async function ticker() {
  let s;
  try { s = await fetch("/api/stats").then(r => r.json()); } catch { return; }
  const chips = [];
  if (s.n_verdicts) chips.push(`📋 ${s.n_verdicts} verdict${s.n_verdicts > 1 ? "s" : ""} issued${s.since ? " since " + s.since : ""}`);
  if (s.n_cases) chips.push(`👁 ${s.n_cases} portfolio${s.n_cases > 1 ? "s" : ""} on standing watch`);
  if (s.show_perf && s.by_action) {
    for (const [a, v] of Object.entries(s.by_action))
      chips.push(`${a} calls (${v.n}): <b class="${v.avg_return >= 0 ? "up" : "dn"}">${pct(v.avg_return)}</b> since called`);
    if (s.spy_return !== null && s.spy_return !== undefined)
      chips.push(`S&amp;P 500 over the same period: ${pct(s.spy_return)}`);
    chips.push("Every verdict counted — nothing cherry-picked");
  } else {
    chips.push(`🔓 Track record unlocks at ${s.unlock_at} verdicts — every call is being scored`);
  }
  chips.push("🩺 5 analysts · 3 AI models · Damodaran valuation on every profitable holding");
  chips.push("Educational analysis — not investment advice");
  const html = chips.map(c => `<span class="tk">${c}</span>`).join("<span class='tk-sep'>·</span>");
  $("#ticker").innerHTML = html + "<span class='tk-sep'>·</span>" + html;   // duplicated for seamless loop
  $("#ticker-wrap").hidden = false;
})();
$("#load-sample").onclick = async () => {
  const sample = await fetch("/api/sample").then(r => r.json());
  rowsEl.innerHTML = "";
  for (const s of sample.rows) { const tr = addRow(s.query, s.entry, s.qty ?? ""); resolveRow(tr); }
};
for (let i = 0; i < 3; i++) addRow();

/* ───────── verdict ledger: load a tracked portfolio, standing watch ───────── */
let currentRun = null;
let currentCode = null;

function renderWatch(code, data) {
  currentCode = code;
  $("#watch-card").hidden = false;
  $("#watch-code").textContent = code;
  const tr = $("#track-record"); tr.innerHTML = "";
  const t = data.track;
  if (t && t.by_action) {
    let html = `<div class="track-head">Committee track record — ${t.n_verdicts} verdicts since ${esc(t.since)}` +
      (t.spy_return !== null && t.spy_return !== undefined ? ` · S&amp;P 500 ${pct(t.spy_return)} over the same period` : "") + `</div>`;
    for (const [action, v] of Object.entries(t.by_action)) {
      const cls = v.avg_return >= 0 ? "up" : "dn";
      html += `<span class="track-pill">${esc(action)} (${v.n}): <b class="${cls}">${pct(v.avg_return)}</b></span>`;
    }
    tr.innerHTML = html;
  } else {
    tr.innerHTML = `<div class="track-head">Track record starts building from your first saved verdict.</div>`;
  }
  const al = $("#watch-alerts"); al.innerHTML = "";
  const icons = { move: "📉", trend: "⚠️", stale: "⏳", event: "🚨" };
  for (const a of (data.alerts || [])) {
    al.appendChild(el("div", "alert-row",
      `${icons[a.kind] || "•"} <span class="alert-date">${esc(a.date || "")}</span> ${esc(a.msg)}`));
  }
  if (!(data.alerts || []).length)
    al.appendChild(el("div", "alert-row quiet", "No alerts — the watch is quiet."));
}

async function loadCode() {
  const code = $("#code-input").value.trim().toLowerCase();
  const st = $("#code-status"); st.textContent = "";
  if (!code) return;
  st.textContent = "loading…";
  const resp = await fetch("/api/portfolio/" + encodeURIComponent(code));
  if (!resp.ok) { st.textContent = "code not found"; return; }
  const p = await resp.json();
  st.textContent = `case open · ${p.n_runs} verdict${p.n_runs > 1 ? "s" : ""} on record`;
  try { localStorage.setItem("vitals_code", code); } catch {}
  try { history.replaceState(null, "", "?p=" + code); } catch {}
  rowsEl.innerHTML = "";
  for (const r of (p.rows || [])) { const tr = addRow(r.query, r.entry, r.qty ?? ""); resolveRow(tr); }
  if (!rowsEl.children.length) addRow();
  const ctx = p.context || {};
  if (ctx.horizon) $("#ctx-horizon").value = ctx.horizon;
  if (ctx.risk) $("#ctx-risk").value = ctx.risk;
  if (ctx.objective) $("#ctx-objective").value = ctx.objective;
  if (ctx.loss_tolerance) $("#ctx-loss").value = ctx.loss_tolerance;
  if (ctx.liquidity_need) $("#ctx-liq").value = ctx.liquidity_need;
  if (ctx.exclusions && $("#ctx-excl")) $("#ctx-excl").value = ctx.exclusions;
  if (ctx.max_positions && $("#ctx-maxpos")) $("#ctx-maxpos").value = ctx.max_positions;
  if (ctx.horizon || ctx.risk || ctx.objective) $("#ctx-panel").open = true;
  renderWatch(code, p);
}
$("#load-code").onclick = loadCode;
$("#code-input").addEventListener("keydown", e => { if (e.key === "Enter") loadCode(); });

$("#check-now").onclick = async () => {
  if (!currentCode) return;
  const st = $("#check-status"); st.textContent = "checking prices, trends & headlines…";
  const resp = await fetch("/api/check/" + encodeURIComponent(currentCode), { method: "POST" });
  if (!resp.ok) { const d = await resp.json().catch(() => ({})); st.textContent = d.detail || "check failed"; return; }
  renderWatch(currentCode, await resp.json());
  st.textContent = "checked just now";
};

$("#save-track").onclick = async () => {
  if (!currentRun) return;
  const resp = await fetch("/api/save", {
    method: "POST", headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ run_id: currentRun, code: currentCode }),
  });
  const out = $("#save-result"); out.hidden = false;
  if (!resp.ok) { const d = await resp.json().catch(() => ({})); out.textContent = d.detail || "save failed"; return; }
  const d = await resp.json();
  currentCode = d.code;
  out.innerHTML = d.appended
    ? `Verdict added to case <b>${esc(d.code)}</b> — the track record grows.`
    : `Saved. Your case ID is <b class="code-big">${esc(d.code)}</b> — it's remembered on this device, ` +
      `and this page's link now carries it too. Enter it anywhere to reopen your case.`;
  try { localStorage.setItem("vitals_code", d.code); } catch {}
  try { history.replaceState(null, "", "?p=" + d.code); } catch {}
  $("#save-track").hidden = true;
};

/* auto-reopen a case: shareable ?p=code link first, then this device's remembered code */
(function autoLoad() {
  let code = null;
  try { code = new URLSearchParams(location.search).get("p"); } catch {}
  if (!code) { try { code = localStorage.getItem("vitals_code"); } catch {} }
  if (code && /^[a-f0-9]{8}$/.test(code)) {
    $("#code-input").value = code;
    loadCode();
  }
})();

/* ───────── analyze + SSE ───────── */

$("#analyze").onclick = async () => {
  const rows = [...rowsEl.children].map(tr => ({
    query: tr.querySelector(".q").value.trim(),
    entry: parseFloat(tr.querySelector(".e").value) || null,
    qty: parseFloat(tr.querySelector(".n").value) || null,
    bought: (tr.querySelector(".b") && tr.querySelector(".b").value) || null,
    split: tr.dataset.split || null,
  })).filter(r => r.query);
  const errEl = $("#input-error"); errEl.hidden = true;
  if (!rows.length) { errEl.hidden = false; errEl.textContent = "Add at least one holding."; return; }
  const pending = [...rowsEl.children].filter(tr => tr.dataset.presplit === "1").map(tr => tr.querySelector(".q").value.trim());
  if (pending.length) {
    errEl.hidden = false;
    errEl.textContent = `Answer the split question on ${pending.join(", ")} first — the entry price looks pre-split and only you know whether the quantity is.`;
    return;
  }
  if (rows.some(r => !r.entry)) { errEl.hidden = false; errEl.textContent = "Every holding needs an entry price."; return; }
  const context = {
    horizon: $("#ctx-horizon").value || null,
    risk: $("#ctx-risk").value || null,
    objective: $("#ctx-objective").value || null,
    loss_tolerance: $("#ctx-loss").value || null,
    liquidity_need: $("#ctx-liq").value || null,
    exclusions: ($("#ctx-excl") && $("#ctx-excl").value.trim()) || null,
    max_positions: ($("#ctx-maxpos") && $("#ctx-maxpos").value) || null,
    wrapper: ($("#ctx-wrapper") && $("#ctx-wrapper").value) || null,
  };
  let resp;
  try {
    resp = await fetch("/api/analyze", {
      method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ rows, context }),
    });
  } catch { errEl.hidden = false; errEl.textContent = "Could not reach the server."; return; }
  if (!resp.ok) {
    const d = await resp.json().catch(() => ({}));
    errEl.hidden = false; errEl.textContent = d.detail || "Could not start the analysis.";
    return;
  }
  const { run_id } = await resp.json();
  currentRun = run_id;
  startProgress(run_id);
};

function startProgress(runId) {
  show("progress");
  $("#bar").style.width = "2%";
  $("#progress-caption").textContent = "Starting the analysis…";
  document.querySelectorAll(".chip").forEach(c => c.classList.remove("lit"));
  const es = new EventSource("/api/events/" + runId);
  es.onmessage = ev => {
    const d = JSON.parse(ev.data);
    if (d.type === "progress") {
      $("#bar").style.width = Math.max(2, d.pct) + "%";
      $("#progress-caption").textContent = d.caption;
      if (d.chip) { const c = document.querySelector(`.chip[data-chip="${d.chip}"]`); if (c) c.classList.add("lit"); }
    } else if (d.type === "done") {
      es.close(); renderResults(d.result);
    } else if (d.type === "error") {
      es.close(); show("input");
      const errEl = $("#input-error"); errEl.hidden = false; errEl.textContent = d.message;
    }
  };
  es.onerror = () => { /* EventSource auto-reconnects; terminal states replay on reconnect */ };
}

/* ───────── results rendering ───────── */
function renderResults(R) {
  show("results");
  $("#save-track").hidden = false;
  $("#save-result").hidden = true;
  if (currentCode) {   // analyzing a tracked portfolio — append this verdict automatically
    fetch("/api/save", { method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ run_id: currentRun, code: currentCode }) })
      .then(r => r.ok ? r.json() : null)
      .then(d => { if (d) { $("#save-track").hidden = true;
        const out = $("#save-result"); out.hidden = false;
        out.innerHTML = `Verdict recorded for portfolio <b>${esc(d.code)}</b>.`; } })
      .catch(() => {});
  }
  // hero gauge
  const score = R.health_score;
  const arc = $("#gauge-arc");
  const len = arc.getTotalLength();
  arc.style.strokeDasharray = len;
  arc.style.strokeDashoffset = len * (1 - score / 100);
  arc.style.stroke = score >= 70 ? "var(--good)" : score >= 45 ? "var(--warn)" : "var(--bad)";
  $("#gauge-num").textContent = score;
  const pil = $("#health-pillars");
  if (pil) {
    const hb = R.health_breakdown || {};
    const rows = hb.pillars || [];
    pil.hidden = !rows.length;
    pil.innerHTML = rows.map(p => {
      const col = p.score >= 65 ? "var(--good)" : p.score >= 45 ? "var(--accent)" : "var(--warn)";
      return `<div class="pillar" title="${esc(p.note || "")}"><span class="pillar-name">${esc(p.label)} <span class="dim">${Math.round(p.weight * 100)}%</span></span>` +
        `<span class="pillar-bar"><span style="width:${Math.max(2, p.score)}%;background:${col}"></span></span><span class="pillar-num">${Math.round(p.score)}</span></div>`;
    }).join("") + (hb.tolerance_penalty ? `<div class="hint">−${Math.abs(hb.tolerance_penalty)} for breaching your stated loss tolerance</div>` : "");
  }
  $("#verdict").textContent = R.verdict;
  // action strip
  const strip = $("#action-strip"); strip.innerHTML = "";
  const order = [["Buy More", "buy"], ["Keep", "keep"], ["Trim", "trim"], ["Sell", "sell"]];
  for (const [a, cls] of order) {
    const n = R.action_counts[a];
    if (n) strip.appendChild(el("span", "pill " + cls, `${n} ${a}`));
  }
  if (R.total_pl_pct !== null && R.total_pl_pct !== undefined)
    strip.appendChild(el("span", "pill pl",
      `Portfolio P/L <span class="${R.total_pl_pct >= 0 ? "up" : "dn"}">${pct(R.total_pl_pct)}</span>`));
  $("#approx-banner").hidden = !(R.metrics && R.metrics.equal_weighted);
  // highlights
  const hl = $("#highlights"); hl.innerHTML = "";
  for (const h of R.highlights) {
    hl.appendChild(el("div", "hl",
      `<span class="dot ${esc(h.severity)}"></span><b>${esc(h.title)}</b>
       <p>${esc(h.detail)}</p><span class="lens">${esc(h.lens || "")} lens</span>`));
  }
  // recommendations table
  const body = $("#rec-body"); body.innerHTML = "";
  const cls = { "Buy More": "buy", "Keep": "keep", "Trim": "trim", "Sell": "sell" };
  for (const r of R.holdings) {
    const tr = el("tr", "main");
    tr.innerHTML = `
      <td class="tick"><b>${esc(r.ticker)}</b><span>${esc(r.name)}</span></td>
      <td>${pct(r.weight, false)}</td>
      <td class="${r.pl_pct >= 0 ? "up" : "dn"}">${pct(r.pl_pct)}${r.entry_note ? ` <span class="sig" title="${esc(r.entry_note)}">${r.entry_note.includes("kept") ? "split: kept as entered" : "split-adjusted"}</span>` : ""}${r.n_lots > 1
        ? ` <span class="sig" title="${esc(r.lot_note || "average cost of " + r.n_lots + " lots")}">${r.n_lots} lots · avg ${Number(r.entry).toFixed(2)}</span>` : ""}</td>
      <td>${r.upside === null || r.upside === undefined
        ? (r.dcf_note ? `<span class="dim" title="DCF not meaningful">${esc(r.dcf_note)}</span>` : "–")
        : `<span class="${r.upside >= 0 ? "up" : "dn"}">${pct(r.upside)}</span>`}</td>
      <td><span class="badge ${cls[r.action]}">${esc(r.action)}</span>${r.watch ? ' <span class="sig" title="weak backing and a negative expected payoff — first source of funds">watch</span>' : ""}</td>
      <td class="why">${esc(r.rationale)}</td>`;
    const dtr = el("tr", "detail"); dtr.hidden = true;
    dtr.innerHTML = `<td colspan="6">${detailHTML(r)}</td>`;
    tr.onclick = () => { dtr.hidden = !dtr.hidden; };
    body.appendChild(tr); body.appendChild(dtr);
  }
  renderPlan(R);
  renderDonut(R);
  renderWeights(R);
  // scorecard
  const sc = $("#scorecard"); sc.innerHTML = "";
  for (const c of R.risk_scorecard)
    sc.appendChild(el("div", "sc",
      `<span class="st ${c.status}">${c.status}</span><div><b>${esc(c.check)}</b><p>${esc(c.detail)}</p></div>`));
  const st = R.strategist || {}; const sr = $("#strategy-read"); sr.innerHTML = "";
  if (st.strategy_read) sr.innerHTML =
    `<b>Strategy read:</b> ${esc(st.strategy_read)}` +
    (st.style_tilt ? ` <b>Style:</b> ${esc(st.style_tilt)}.` : "") +
    (st.gaps && st.gaps.length ? ` <b>Missing exposure:</b> ${esc(st.gaps.join(", "))}.` : "");
  // alternatives (signal tags show which engine surfaced each pick)
  const alts = R.alternatives || [];
  $("#alt-section").hidden = !alts.length;
  const av = $("#alternatives"); av.innerHTML = "";
  const needs = R.portfolio_needs || {};
  const needLabels = Object.values(needs).map(n => n.label).filter(Boolean);
  if (alts.length && needLabels.length)
    av.appendChild(el("div", "needs-line", `<b>What this portfolio needs:</b> ${esc(needLabels.join(" · "))}`));
    for (const g of ((R.plan || {}).gap_search || [])) {
      av.appendChild(el("div", "needs-line dim", `<b>${esc(g.sector)}:</b> ${g.screened} names screened — ` +
        (g.buyable && g.buyable.length ? `buyable today: ${esc(g.buyable.join(", "))}` : "none buyable today") +
        (g.why_not ? ` (${esc(g.why_not)})` : "") + (g.bench && g.bench.length ? `; on the bench with entry conditions: ${esc(g.bench.join(", "))}` : "")));
    }
  for (const a of alts) {
    const tags = (a.signals || []).filter(s => s.includes("smart") || s.includes("quant") || s.includes("local") || s.includes("US-listed")).map(s =>
      `<span class="sig">${esc(s.includes("smart") ? "🐋 smart money" : s.includes("quant") ? "🧮 quant rank" : s.includes("local") ? "📍 local market" : "🇺🇸 US-listed")}</span>`).join(" ");
    const fit = a.fit || {};
    const fixes = (fit.fixes || []).map(f => `<span class="fix">✓ ${esc(f)}</span>`).join(" ") +
      (fit.cautions || []).map(f => `<span class="caution">⚠ ${esc(f)}</span>`).join(" ");
    const com = a.committee;
    const comLine = com ? `<div class="committee">Committee ${com.conviction}/100 on adding it` +
      ((com.risks || []).length ? ` · top risk: ${esc(com.risks[0])}` : "") + `</div>` : "";
    av.appendChild(el("div", "alt", `<b>${esc(a.ticker)}</b> ${tags}<p>${esc(a.reason)}</p>` +
      (fixes ? `<div class="fixes">${fixes}</div>` : "") + comLine));
  }
  // recommended target portfolio (only when the user gave context)
  const target = R.target_portfolio || [];
  $("#target-section").hidden = !target.length;
  if (target.length) {
    const ctx = R.context || {};
    $("#target-note").textContent =
      `Built for: ${[ctx.horizon, ctx.risk, ctx.objective].filter(Boolean).join(" · ")} — ` +
      `committee conviction sizes positions under risk-profile caps. Educational illustration, not advice.`;
    const tb = $("#target-body"); tb.innerHTML = "";
    for (const r of target) {
      const d = r.delta;
      const dCls = d > 0.005 ? "up" : d < -0.005 ? "dn" : "";
      const tr = el("tr");
      tr.innerHTML = `
        <td class="tick"><b>${esc(r.ticker)}</b>${r.is_new ? ' <span class="badge buy">New</span>' : ""}</td>
        <td class="why">${esc(r.sector)}</td>
        <td>${pct(r.current_w, false)}</td>
        <td><b>${pct(r.target_w, false)}</b></td>
        <td class="${dCls}">${d > 0 ? "▲" : d < 0 ? "▼" : "·"} ${pct(Math.abs(d), false)}</td>`;
      tb.appendChild(tr);
    }
  }
  // footer
  renderRisk(R);
  renderRejected(R);
  $("#download").href = "/api/report/" + currentRun;
  $("#audit").href = "/api/audit/" + currentRun;
  $("#meta").textContent = `Generated ${R.generated_at}` +
    (R.metrics.equal_weighted ? " · equal-weighted (no quantities given)" : "") +
    (R.llm_used ? "" : " · quantitative view only — no AI key configured");
  $("#disclaimer").textContent = R.disclaimer;
}

function renderPlan(R) {
  const plan = R.plan;
  $("#plan-section").hidden = !plan;
  if (!plan) return;
  const revival = plan.mode === "revival";
  $("#plan-title").textContent = revival ? "🚑 Revival plan" : "⚡ Enhancement plan";
  $("#plan-pitch").textContent = plan.pitch || "";
  const mv = $("#plan-moves"); mv.innerHTML = "";
  (plan.moves || []).forEach((m, i) => {
    mv.appendChild(el("div", "move",
      `<span class="move-n">${i + 1}</span><div><b>${esc(m.title)}</b><p>${esc(m.detail)}</p></div>`));
  });
  const extraBox = $("#plan-extra"); if (extraBox) {
    let x = "";
    if (plan.do_nothing) x += `<div class="move"><span class="move-n">✓</span><div><b>Do nothing</b><p>Nothing clears the hurdle for a trade. Buffett's punch card: inactivity is a decision, and here it is the right one. Re-check when a sell trigger fires.</p></div></div>`;
    for (const h of (plan.harvest_pairs || [])) {
      x += `<div class="move"><span class="move-n">$</span><div><b>Tax-loss harvest: sell ${esc(h.sell)}, buy ${esc(h.buy)}</b><p>${esc(h.note)} <span class="dim">(${esc(h.buy_name)}, correlation ${h.correlation})</span></p></div></div>`;
    }
    const pm = R.premortem;
    if (pm && pm.story) x += `<div class="move premortem"><span class="move-n">⚠</span><div><b>Pre-mortem — how ${esc(pm.ticker)} loses 40% from here</b><p>${esc(pm.story)}</p></div></div>`;
    extraBox.innerHTML = x; extraBox.hidden = !x;
  }
  // switch pairs
  const pp = $("#plan-pairs"); pp.innerHTML = "";
  for (const p of (plan.switch_pairs || [])) {
    const cmp = p.compare || {}; const o = cmp.out || {}, n = cmp.in || {};
    const washNote = p.tax_note ? ` <span class="sig" title="${esc(p.tax_note)}">wash-sale rule</span>` : "";
    const line = (s) => [
      s.pe !== null && s.pe !== undefined ? `P/E ${Number(s.pe).toFixed(0)}` : null,
      s.rev_growth !== null && s.rev_growth !== undefined ? `growth ${pct(s.rev_growth)}` : null,
      s.vs_200d !== null && s.vs_200d !== undefined ? `${pct(s.vs_200d)} vs 200-day` : null,
    ].filter(Boolean).join(" · ") || "—";
    pp.appendChild(el("div", "pair",
      `<div class="pair-head"><span class="badge sell">${esc(p.out)}</span> ➜ ` +
      `<span class="badge buy">${esc(p.in)}</span> <span class="pair-sec">${esc(p.sector || "")}` +
      `${p.same_sector ? " · same sector" : ""}</span></div>` +
      `<div class="pair-cmp"><span class="dn">${esc(p.out)}: ${esc(line(o))}</span>` +
      `<span class="up">${esc(p.in)}: ${esc(line(n))}</span></div>`));
  }
  // before/after outlook
  const ol = plan.outlook || {}; const cur = ol.current || {}, pl = ol.planned || {};
  const cell = (lab, a, b, fmt) => {
    const f = fmt || (x => x === null || x === undefined ? "–" : x);
    return `<div class="ol"><span class="ol-lab">${lab}</span><span>${f(a)} <span class="ol-arrow">➜</span> <b>${f(b)}</b></span></div>`;
  };
  const outEl = $("#plan-outlook");
  outEl.innerHTML =
    cell("Est. health", cur.est_health, pl.est_health) +
    cell("Market sensitivity (beta)", cur.beta, pl.beta) +
    cell("Biggest sector", cur.top_sector ? `${cur.top_sector[0]} ${pct(cur.top_sector[1], false)}` : "–",
         pl.top_sector ? `${pl.top_sector[0]} ${pct(pl.top_sector[1], false)}` : "–") +
    ((cur.expected_excess_12m !== null && cur.expected_excess_12m !== undefined &&
      pl.expected_excess_12m !== null && pl.expected_excess_12m !== undefined)
      ? cell("Model 12-mo edge vs market", pct(cur.expected_excess_12m), pct(pl.expected_excess_12m))
      : "");
  renderConstruction(plan);
  // orders
  const ob = $("#plan-orders-body"); ob.innerHTML = "";
  for (const o of (plan.orders || [])) {
    const tr = el("tr");
    tr.innerHTML = `<td><span class="badge ${o.side === "SELL" ? "sell" : "buy"}">${o.side}</span></td>
      <td><b>${esc(o.ticker)}</b>${o.is_new ? ' <span class="sig">new</span>' : ""}</td>
      <td>${pct(Math.abs(o.delta_pct), false)} of portfolio</td>
      <td>${o.amount_usd ? "$" + Number(o.amount_usd).toLocaleString() +
           (o.shares ? ` · ~${o.shares} sh` : "") : "—"}${o.cost_note ? ` <span class="sig">${esc(o.cost_note)}</span>` : ""}</td>`;
    ob.appendChild(tr);
  }
  $("#plan-orders-note").textContent =
    (plan.cash ? `Sells fund the buys; ${pct(plan.cash, false)} of the book stays in cash as dry powder for the watchlist. ` : `Cash-neutral: sells fund the buys. `) +
    `Based on ${plan.based_on}.` +
    ((plan.staged_trims || []).length ? ` ${plan.staged_trims.join(", ")} trimmed in stages — the book cannot absorb the full sale at sensible sizes; finish the cut as new ideas clear the bar.` : "") +
    ` Educational illustration, not advice.`;
  // triage
  const tw = $("#plan-triage-wrap");
  tw.hidden = !(plan.triage || []).length;
  const tg = $("#plan-triage"); tg.innerHTML = "";
  const dispIcon = { "average down": "🟢", "switch": "🔁", "exit to fund": "🔻", "hold and wait": "⏸", "hold — on watch": "👁" };
  for (const t of (plan.triage || [])) {
    tg.appendChild(el("div", "triage-row",
      `${dispIcon[t.disposition] || "•"} <b>${esc(t.ticker)}</b> — <i>${esc(t.disposition)}</i>: ${esc(t.note)}`));
  }
}

function sentDot(s) {
  const l = String(s || "").toLowerCase();
  if (l.includes("bull")) return '<span class="dot good"></span>';
  if (l.includes("bear")) return '<span class="dot bad"></span>';
  return '<span class="dot" style="background:var(--dim)"></span>';
}

function detailHTML(r) {
  const lensNames = { value: "🏛 Value", growth: "🚀 Growth", macro: "🌍 Macro", technical: "📈 Technical", risk: "🛡 Risk" };
  const convColor = r.conviction >= 63 ? "var(--good)" : r.conviction >= 45 ? "var(--accent)" : "var(--warn)";
  let left = `<div class="detail"><h4>Committee conviction</h4>
    <div class="conv-meter"><div class="conv-fill" style="width:${r.conviction}%;background:${convColor}"></div></div>
    <li style="list-style:none;margin-left:0">${r.conviction}/100 median across ${r.n_lenses} lenses` +
    (r.dispersion >= 30 ? ` — <span class="dn">wide disagreement (${r.dispersion} pts)</span>` : "") + `</li>`;
  const scores = r.lens_scores || {};
  for (const k of Object.keys(lensNames)) if (scores[k] !== undefined)
    left += `<li style="list-style:none;margin-left:0">${lensNames[k]}: ${Math.round(scores[k])}</li>`;
  left += ivBar(r) + `</div>`;
  const newsBlock = (r.news || []).length
    ? `<h4 style="margin-top:12px">News the committee weighed</h4>` +
      r.news.map(n => `<div class="news-row">${sentDot(n.sentiment)} ${esc(n.headline)}` +
        (n.sentiment ? ` <span class="news-sent">${esc(n.sentiment)}</span>` : "") + `</div>`).join("")
    : "";
  const valBits = [];
  if (r.intrinsic_low && r.intrinsic_high) valBits.push(`bear–bull range ${Number(r.intrinsic_low).toFixed(0)}–${Number(r.intrinsic_high).toFixed(0)}`);
  if (r.implied_growth !== null && r.implied_growth !== undefined)
    valBits.push(`today's price assumes <b>${r.implied_growth >= 0.6 ? "over 60" : (r.implied_growth * 100).toFixed(0)}%/yr</b> earnings growth`);
  if (r.valuation_model) valBits.push(`<span class="dim">${esc(r.valuation_model)}</span>`);
  const lotsHtml = (r.lots || []).length
    ? `<h4 style="margin-top:12px">Lots (average cost ${Number(r.entry).toFixed(2)})</h4><li>` +
      r.lots.map(l => `${l.side === "sell" ? "sold" : "bought"} ${l.qty ?? "?"} @ ${Number(l.entry).toFixed(2)}${l.bought ? " on " + esc(l.bought) : ""}`).join(" · ") +
      (r.lot_note ? ` <span class="dim">— ${esc(r.lot_note)}</span>` : "") + "</li>"
    : "";
  const peer = r.peer || {};
  const peerNames = { n_earnings_yield: "earnings yield", n_evebitda: "EV/EBITDA value", n_roe: "ROE", n_netmargin: "margin", n_mom_12_1: "momentum" };
  const peerBits = Object.entries(peer).map(([k, v]) => `${peerNames[k] || k} ${v}th`);
  const memo = r.memo || null;
  const memoHtml = memo ? `<h4 style="margin-top:12px">Investment memo</h4>` +
    (memo.thesis ? `<li><b>Thesis:</b> ${esc(memo.thesis)}</li>` : "") +
    (memo.debate ? `<li><b>The debate:</b> ${esc(memo.debate)}</li>` : "") +
    (memo.change_mind ? `<li><b>What would change our mind:</b> ${esc(memo.change_mind)}</li>` : "") : "";
  const a = r.asymmetry, sz = r.sizing;
  const asymHtml = a ? `<h4 style="margin-top:12px">Payoff asymmetry (DCF-implied, 12–18 months${a.gated === false ? " · growth-stage name: shown, not used to gate the action" : ""})</h4><li>` +
    `bear <span class="dn">${pct(a.bear)}</span> (${Math.round(a.p.bear * 100)}%) · base ${pct(a.base)} (${Math.round(a.p.base * 100)}%) · bull <span class="up">${pct(a.bull)}</span> (${Math.round(a.p.bull * 100)}%)` +
    ` → expected <b class="${a.expected_return >= 0 ? "up" : "dn"}">${pct(a.expected_return)}</b>, upside:downside <b>${a.up_down_ratio}:1</b> ` +
    `<span class="sig">${a.clears_hurdle ? "clears the 2:1 / +8% hurdle" : "below the 2:1 / +8% hurdle"}</span></li>` +
    (sz ? `<li class="dim">Sizing guardrail: ${sz.half_kelly > 0 ? `half-Kelly ${pct(sz.half_kelly, false)} of the book (cap ${pct(sz.cap, false)})` : "no addition justified at this payoff"} vs ${pct(sz.current, false)} held · volatility ${pct(sz.vol, false)}</li>` : "") : "";
  const us = r.us || null;
  let usHtml = "";
  if (us) {
    const e = us.econ || {}, pz = us.piotroski, vh = us.valuation_hist || {}, er = us.earnings || {}, ins = us.insiders || {}, inst = us.institutions || {};
    const f = (v, d = 1) => (v === null || v === undefined) ? null : Number(v).toFixed(d);
    const chips = [];
    if (pz) chips.push(`Piotroski <b>${pz.score}/9</b>`);
    if (us.altman_z !== null && us.altman_z !== undefined) chips.push(`Altman Z <b>${us.altman_z}</b> <span class="dim">(${us.altman_z > 2.99 ? "safe" : us.altman_z >= 1.8 ? "grey" : "distress"})</span>`);
    if (us.beneish_m !== null && us.beneish_m !== undefined) chips.push(`Beneish M <b>${us.beneish_m}</b> <span class="dim">(${us.beneish_m < -1.78 ? "clean" : "warning"})</span>`);
    if (e.accruals !== undefined && e.accruals !== null) chips.push(`accruals ${(e.accruals * 100).toFixed(1)}% of assets`);
    if (e.cash_conversion !== undefined && e.cash_conversion !== null) chips.push(`FCF/NI ${f(e.cash_conversion, 2)}`);
    const econ = [];
    if (e.roic !== null && e.roic !== undefined) econ.push(`ROIC ${pct(e.roic, false)}`);
    if (e.incremental_roic_5y !== undefined && e.incremental_roic_5y !== null) econ.push(`incremental ROIC (5y) ${pct(e.incremental_roic_5y, false)}`);
    else if (e.capital_light) econ.push(`capital-light growth`);
    if (e.owner_earnings_yield !== undefined && e.owner_earnings_yield !== null) econ.push(`owner-earnings yield ${pct(e.owner_earnings_yield, false)}`);
    if (e.fcf_yield !== undefined && e.fcf_yield !== null) econ.push(`FCF yield ${pct(e.fcf_yield, false)}`);
    if (e.greenblatt_ey !== undefined && e.greenblatt_ey !== null) econ.push(`EBIT/EV ${pct(e.greenblatt_ey, false)}`);
    if (e.peg_3y !== undefined && e.peg_3y !== null) econ.push(`PEG ${e.peg_3y}`);
    if (e.graham_number) econ.push(`Graham number ${e.graham_number}`);
    if (e.rule_of_40 !== undefined && e.rule_of_40 !== null) econ.push(`Rule of 40: ${e.rule_of_40}`);
    const cap = [];
    if (e.buyback_yield_1y !== undefined && e.buyback_yield_1y !== null) cap.push(`buyback yield ${pct(e.buyback_yield_1y)}`);
    if (e.share_change_5y !== undefined && e.share_change_5y !== null) cap.push(`shares 5y ${pct(e.share_change_5y)}`);
    if (e.sbc_pct_rev !== undefined && e.sbc_pct_rev !== null) cap.push(`SBC ${pct(e.sbc_pct_rev, false)} of revenue`);
    if (e.fcf_payout !== undefined && e.fcf_payout !== null) cap.push(`FCF payout ${pct(e.fcf_payout, false)}`);
    if (e.dividend_streak_years) cap.push(`dividend raised ${e.dividend_streak_years} years running`);
    const val = Object.entries(vh).filter(([k, v]) => v && typeof v === "object").map(([k, v]) => `${k.toUpperCase()} ${v.now} <span class="dim">(${v.pctile}th pctile of own ${vh.years}y, median ${v.median})</span>`);
    const mom = [];
    if (er.n_q) mom.push(`beat ${er.beats_8q}/${er.n_q} quarters (avg surprise ${er.avg_surprise_pct > 0 ? "+" : ""}${er.avg_surprise_pct}%)`);
    if (er.eps_revision_90d_pct !== undefined && er.eps_revision_90d_pct !== null) mom.push(`FY EPS estimate ${er.eps_revision_90d_pct > 0 ? "+" : ""}${er.eps_revision_90d_pct}% in 90d`);
    if (er.revisions_30d) mom.push(`revisions 30d ${er.revisions_30d.up} up / ${er.revisions_30d.down} down`);
    const own = [];
    if (ins.months) own.push(`insiders 6m: bought $${(ins.buy_usd / 1e6).toFixed(1)}M (${ins.n_buyers}) / sold $${(ins.sell_usd / 1e6).toFixed(1)}M (${ins.n_sellers})`);
    if (inst.holders_change !== undefined && inst.holders_change !== null) own.push(`13F holders ${inst.holders_change > 0 ? "+" : ""}${inst.holders_change} q/q${inst.shares_change_pct !== undefined && inst.shares_change_pct !== null ? `, shares held ${inst.shares_change_pct > 0 ? "+" : ""}${inst.shares_change_pct}%` : ""}`);
    usHtml = `<h4 style="margin-top:12px">Deep fundamentals <span class="dim">(FY ${esc(us.fiscal_year || "")}${e.lynch_category ? " · Lynch: " + esc(e.lynch_category) : ""})</span></h4>` +
      (chips.length ? `<li><b>Forensics:</b> ${chips.join(" · ")}</li>` : "") +
      (econ.length ? `<li><b>Economics:</b> ${econ.join(" · ")}</li>` : "") +
      (cap.length ? `<li><b>Capital allocation:</b> ${cap.join(" · ")}</li>` : "") +
      (val.length ? `<li><b>Vs own history:</b> ${val.join(" · ")}</li>` : "") +
      (mom.length ? `<li><b>Earnings momentum:</b> ${mom.join(" · ")}</li>` : "") +
      (own.length ? `<li><b>Ownership:</b> ${own.join(" · ")}</li>` : "") +
      ((us.flags || []).length ? `<li class="dn"><b>Forensic flags:</b> ${esc(us.flags.join("; "))}</li>` : "") +
      ((us.sell_triggers || []).length ? `<h4 style="margin-top:12px">Sell triggers — what would break the thesis</h4>` + us.sell_triggers.map(t => `<li>${esc(t)}</li>`).join("") : "");
  }
  let right = `<div class="detail"><h4>Strengths</h4>` +
    (r.strengths.length ? r.strengths.map(s => `<li>${esc(s)}</li>`).join("") : "<li>—</li>") +
    `<h4 style="margin-top:12px">Risks</h4>` +
    (r.risks.length ? r.risks.map(s => `<li>${esc(s)}</li>`).join("") : "<li>—</li>") +
    (valBits.length ? `<h4 style="margin-top:12px">Valuation</h4><li>${valBits.join(" · ")}</li>` : "") +
    memoHtml + asymHtml + usHtml +
    lotsHtml +
    (peerBits.length ? `<h4 style="margin-top:12px">Peer percentiles (${esc(r.peer_universe || "US")} universe)</h4><li>${peerBits.join(" · ")}</li>` : "") +
    (r.tax_note ? `<h4 style="margin-top:12px">Tax</h4><li>${esc(r.tax_note)}</li>` : "") +
    (r.flags.length ? `<h4 style="margin-top:12px">Guards</h4><li>${esc(r.flags.join(", "))}</li>` : "") +
    (r.data_flags && r.data_flags.length ? `<h4 style="margin-top:12px">Data quality</h4><li class="dim">${esc(r.data_flags.join("; "))}</li>` : "") +
    (r.data_source ? `<li class="dim" style="margin-top:8px">Fundamentals: ${esc(r.data_source)}${r.fund_asof ? " as of " + esc(r.fund_asof) : ""}${r.price_asof ? " · price " + esc(r.price_asof) : ""}</li>` : "") +
    newsBlock +
    `</div>`;
  return `<div class="detail-grid">${left}${right}</div>`;
}

function renderConstruction(plan) {
  const box = $("#plan-construction"); if (!box) return; box.innerHTML = "";
  const rc = plan.risk_contributions || {};
  let html = "";
  if ((rc.top || []).length) {
    html += `<h4>Where your risk actually sits</h4><div class="risk-line">` +
      rc.top.map(([t, p]) => `<b>${esc(t)}</b> ${pct(p, false)} of risk` +
        (rc.contrib && rc.contrib[t] ? ` <span class="dim">(${pct(rc.contrib[t].weight, false)} of money)</span>` : "")).join(" · ") +
      (rc.portfolio_vol ? ` <span class="dim">· portfolio volatility ${pct(rc.portfolio_vol, false)}</span>` : "") + `</div>`;
  }
  const picks = plan.picks || [];
  if (picks.length) {
    html += `<h4>Adds chosen jointly (each given the one before it)</h4><div class="risk-line">` +
      picks.map(p => p.variance_reduction === null || p.variance_reduction === undefined
        ? `<b>${p.order}. ${esc(p.ticker)}</b> ${esc(p.reason || "")}`
        : `<b>${p.order}. ${esc(p.ticker)}</b> cuts portfolio variance ${pct(p.variance_reduction, false)} (vol ${pct(p.vol_before, false)} → ${pct(p.vol_after, false)})`).join(" · ") + `</div>`;
  }
  const ra = plan.risk_contributions_after || {};
  if ((ra.top || []).length) {
    html += `<h4>Where the risk sits after the trade</h4><div class="risk-line">` +
      ra.top.map(([t, p]) => `<b>${esc(t)}</b> ${pct(p, false)} of risk`).join(" · ") +
      (ra.portfolio_vol ? ` <span class="dim">· portfolio volatility ${pct(ra.portfolio_vol, false)}</span>` : "") + `</div>`;
  }
  const s12 = plan.scenarios_12m || {}; const c12 = s12.current || {}; const p12 = s12.planned || {};
  if (c12.base !== undefined && c12.base !== null) {
    html += `<h4>Valuation risk/reward — where the book would trade if every holding converged to its bear / base / bull value</h4><table class="mini-table"><thead><tr><th></th><th>Bear</th><th>Base</th><th>Bull</th><th>Covered</th></tr></thead><tbody>` +
      `<tr><td><b>Today</b></td><td>${pct(c12.bear)}</td><td>${pct(c12.base)}</td><td>${pct(c12.bull)}</td><td>${pct(c12.coverage, false)}</td></tr>` +
      (p12.base !== undefined && p12.base !== null ? `<tr><td><b>After the plan</b></td><td>${pct(p12.bear)}</td><td>${pct(p12.base)}</td><td>${pct(p12.bull)}</td><td>${pct(p12.coverage, false)}</td></tr>` : "") +
      `</tbody></table>`;
  }
  if ((plan.tax_plan || []).length) {
    html += `<h4>Tax plan — how the sells are executed</h4><ul class="plain">` +
      plan.tax_plan.map(x => `<li><b>${esc(x.ticker)}</b> ${esc(x.note)}</li>`).join("") + `</ul>`;
  }
  if ((plan.watchlist || []).length) {
    html += `<h4>Watchlist — the bench, with entry conditions</h4><ul class="plain">` +
      plan.watchlist.map(x => `<li><b>${esc(x.ticker)}</b> ${esc(x.name || "")} — <i>${esc(x.condition)}</i> <span class="dim">(${esc(x.why || "")})</span></li>`).join("") + `</ul>`;
  }
  if ((plan.catalysts || []).length) {
    html += `<h4>Catalysts — next 90 days</h4><div class="risk-line">` +
      plan.catalysts.map(x => `<b>${esc(x.ticker)}</b> ${esc(x.event)} ${esc(x.date)}`).join(" · ") + `</div>`;
  }
  const sc = plan.scenarios || {}; const pt = plan.post_trade || {}; const cur = pt.current || {};
  const names = Object.keys(sc);
  if (names.length) {
    html += `<h4>Three ways to get there</h4><table class="mini-table"><thead><tr><th>Scenario</th><th>Turnover</th><th>Est. tax</th><th>Volatility</th><th>Worst stress replay</th><th>Effective positions</th><th>Est. health</th></tr></thead><tbody>` +
      `<tr><td><b>Today</b></td><td>–</td><td>–</td><td>${cur.vol ? pct(cur.vol, false) : "–"}</td><td>${worstStress(cur)}</td><td>${cur.effective_n ?? "–"}</td><td>${cur.est_health ?? "–"}</td></tr>` +
      names.map(n => { const s = sc[n], p = pt[n] || {}; return `<tr><td>${esc(s.label)}${s.tolerance_met === true ? ' <span class="sig">within your loss tolerance</span>' : s.tolerance_met === false ? ' <span class="sig dn">loss tolerance not reachable within these bounds</span>' : ""}</td><td>${pct(s.turnover, false)}</td><td>${s.est_tax_usd !== null && s.est_tax_usd !== undefined ? "$" + Number(s.est_tax_usd).toLocaleString() : pct(s.est_tax_pct_of_book, false) + " of book"}</td><td>${p.vol ? pct(p.vol, false) : "–"}</td><td>${worstStress(p)}</td><td>${p.effective_n ?? "–"}</td><td><b>${p.est_health ?? "–"}</b></td></tr>`; }).join("") +
      `</tbody></table><div class="hint">The order plan below follows the full rebalance; the tax-light and new-cash routes show what you give up by trading less.</div>`;
  }
  box.innerHTML = html;
}
function worstStress(blk) {
  const st = (blk && blk.stress) || []; if (!st.length) return "–";
  const w = st.reduce((a, b) => (b.portfolio < a.portfolio ? b : a));
  return `<span class="dn">${pct(w.portfolio)}</span> <span class="dim">(${esc(w.name)})</span>`;
}

function renderRejected(R) {
  const rej = R.rejected_candidates || []; const sec = $("#rejected-section"); if (!sec) return;
  sec.hidden = !rej.length; const body = $("#rejected-body"); body.innerHTML = "";
  for (const r of rej) body.appendChild(el("div", "rej", `<b>${esc(r.ticker)}</b> <span class="dim">${esc(r.stage)}</span> — ${esc(r.reason)}`));
}

function renderRisk(R) {
  const rk = R.risk || {}; const sec = $("#risk-section"); const body = $("#risk-body");
  const bn = (R.benchmark && R.benchmark.name) || "benchmark";
  let html = "";
  if ((rk.stress || []).length) {
    html += `<h4>Stress replay — what today's weights would have done</h4><table class="mini-table"><thead><tr><th>Shock</th><th>Window</th><th>Portfolio</th><th>${esc(bn)}</th></tr></thead><tbody>` +
      rk.stress.map(s => `<tr><td>${esc(s.name)}</td><td class="dim">${esc(s.window)}</td><td class="${s.portfolio >= 0 ? "up" : "dn"}">${pct(s.portfolio)}</td><td>${s.benchmark === null || s.benchmark === undefined ? "–" : pct(s.benchmark)}</td></tr>`).join("") +
      `</tbody></table>`;
  }
  const chips = [];
  if (rk.var_1d_95 !== undefined && rk.var_1d_95 !== null)
    chips.push(`<b>Value at risk (95%)</b> 1-day ${pct(rk.var_1d_95, false)} · 1-month ${pct(rk.var_1m_95, false)}` +
      (rk.cvar_1d_95 ? ` · tail loss ${pct(rk.cvar_1d_95, false)}` : ""));
  if (rk.tracking_error) chips.push(`<b>Tracking error vs ${esc(bn)}</b> ${pct(rk.tracking_error, false)}`);
  if (rk.currency_exposure && Object.keys(rk.currency_exposure).length > 1)
    chips.push(`<b>Currency</b> ` + Object.entries(rk.currency_exposure).map(([c, w]) => `${esc(c)} ${pct(w, false)}`).join(" · "));
  const lt = rk.lookthrough || {};
  if ((lt.top_names || []).length)
    chips.push(`<b>Fund look-through</b> (constituents disclosed for ${pct(lt.coverage, false)} of fund weight): ` +
      lt.top_names.slice(0, 6).map(([n, d, v, t]) => `${esc(n)} ${pct(t, false)}` + (d && v ? ` <span class="dim">(direct ${pct(d, false)} + via funds ${pct(v, false)})</span>` : "")).join(" · "));
  const ft = rk.factor_tilts || {};
  if (ft.tilts) chips.push(`<b>Style tilts</b> (${pct(ft.coverage, false)} of book): ` +
    Object.entries(ft.tilts).map(([k, v]) => `${esc(k)} <span class="${v >= 0 ? "up" : "dn"}">${v >= 0 ? "+" : ""}${Number(v).toFixed(2)}</span>`).join(" · "));
  const fb = rk.factor_betas || {};
  if (fb.betas) chips.push(`<b>Measured factor betas</b> (vs ${esc(bn)}, ${fb.n_days} days; market beta ${fb.market_beta}): ` +
    Object.entries(fb.betas).map(([k, v]) => `${esc(k.replace("_", " "))} <span class="${v >= 0 ? "up" : "dn"}">${v >= 0 ? "+" : ""}${Number(v).toFixed(2)}</span>`).join(" · "));
  const br = rk.benchmark_relative || {};
  if (br.upside_capture !== undefined || br.sortino !== undefined) {
    const bits = [];
    if (br.upside_capture !== undefined) bits.push(`upside capture ${Number(br.upside_capture).toFixed(2)}`);
    if (br.downside_capture !== undefined) bits.push(`downside capture ${Number(br.downside_capture).toFixed(2)}`);
    if (br.sortino !== undefined) bits.push(`Sortino ${br.sortino}`);
    if (br.calmar !== undefined) bits.push(`Calmar ${br.calmar}`);
    if (br.active_return_ann !== undefined) bits.push(`active return ${pct(br.active_return_ann)}/yr`);
    chips.push(`<b>Vs ${esc(bn)}</b> ` + bits.join(" · "));
  }
  if ((rk.active_sectors || []).length)
    chips.push(`<b>Active sector bets vs ${esc(bn)}</b> ` + rk.active_sectors.slice(0, 6).map(x => `${esc(x.sector)} <span class="${x.active >= 0 ? "up" : "dn"}">${x.active >= 0 ? "+" : ""}${(x.active * 100).toFixed(0)}pp</span> <span class="dim">(${pct(x.book, false)} vs ${pct(x.benchmark, false)})</span>`).join(" · "));
  if ((rk.liquidity || []).length)
    chips.push(`<b>Liquidity</b> ` + rk.liquidity.slice(0, 4).map(x => `${esc(x.ticker)} ≈ ${x.days_to_liquidate} days to exit`).join(" · "));
  html += chips.map(c => `<div class="risk-line">${c}</div>`).join("");
  body.innerHTML = html;
  sec.hidden = !html;
}

function ivBar(r) {
  if (!r.intrinsic) return "";
  const pts = [["Entry", r.entry, "var(--dim)"], ["Now", r.price, "var(--accent)"],
               ["Intrinsic", r.intrinsic, "var(--good)"]];
  const vals = pts.map(p => p[1]);
  const lo = Math.min(...vals) * 0.92, hi = Math.max(...vals) * 1.08;
  const x = v => ((v - lo) / (hi - lo) * 100).toFixed(1);
  return `<h4 style="margin-top:14px">Price vs value${r.lifecycle ? ` · ${esc(r.lifecycle)}` : ""}</h4>
    <div class="iv-bar"><div class="iv-track"></div>` +
    pts.map(([lab, v, c]) =>
      `<div class="iv-mark" style="left:${x(v)}%;background:${c}"><span>${lab} ${Number(v).toFixed(0)}</span></div>`).join("") +
    `</div>`;
}

function renderDonut(R) {
  const svg = $("#donut"); svg.innerHTML = "";
  const entries = Object.entries(R.sector_allocation);
  let a0 = -Math.PI / 2;
  const cx = 100, cy = 100, r1 = 58, r2 = 88;
  entries.forEach(([s, w], i) => {
    const a1 = a0 + w * 2 * Math.PI;
    const large = (a1 - a0) > Math.PI ? 1 : 0;
    const p = (a, r) => `${cx + r * Math.cos(a)} ${cy + r * Math.sin(a)}`;
    const d = `M ${p(a0, r2)} A ${r2} ${r2} 0 ${large} 1 ${p(a1, r2)} L ${p(a1, r1)} A ${r1} ${r1} 0 ${large} 0 ${p(a0, r1)} Z`;
    const path = document.createElementNS("http://www.w3.org/2000/svg", "path");
    path.setAttribute("d", d);
    path.setAttribute("fill", SECTOR_COLORS[i % SECTOR_COLORS.length]);
    path.setAttribute("opacity", "0.9");
    svg.appendChild(path);
    a0 = a1;
  });
  const legend = $("#donut-legend"); legend.innerHTML = "";
  const [lo, hi] = R.sector_band;
  entries.forEach(([s, w], i) => {
    const over = w > hi ? ` <span class="over">above ${Math.round(hi * 100)}% band</span>` : "";
    legend.appendChild(el("div", null,
      `<span class="sw" style="background:${SECTOR_COLORS[i % SECTOR_COLORS.length]}"></span>${esc(s)}<span class="pct">${pct(w, false)}</span>${over}`));
  });
}

function renderWeights(R) {
  const wrap = $("#weight-bars"); wrap.innerHTML = "";
  const cap = R.name_cap;
  const maxW = Math.max(...R.holdings.map(h => h.weight), cap) * 1.15;
  for (const h of R.holdings) {
    const wb = el("div", "wb");
    const over = h.weight > cap;
    wb.innerHTML = `<span>${esc(h.ticker)}</span>
      <div class="track"><div class="fill ${over ? "over" : ""}" style="width:${(h.weight / maxW * 100).toFixed(1)}%"></div>
        <div class="cap" style="left:${(cap / maxW * 100).toFixed(1)}%"></div></div>
      <span class="w">${pct(h.weight, false)}</span>`;
    wrap.appendChild(wb);
  }
  $("#cap-hint").textContent = `Red line = ${Math.round(cap * 100)}% healthy single-position cap.`;
}

$("#rerun").onclick = () => show("input");