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Datasets:
DocuPipe
/
DocuBench

Tasks:
Document Question Answering
Languages:
English
Hebrew
Japanese
Size:
n<1K
Tags:
benchmark
document-ai
information-extraction
structured-extraction
key-information-extraction
ocr
License:
Dataset card Files
xet
 Community
DocuBench
File size: 64,327 Bytes
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>DocuBench — Structured Extraction Benchmark</title>
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Mono:wght@400;500;700&display=swap" rel="stylesheet" />
<style>
  :root{
    --green:#288a2d;        /* DocuPipe brand green */
    --green-hover:#1F7A24;
    --green-press:#176A1C;
    --green-bright:#22c55e; /* blueprint glow */
    --green-wash:#E8F5E9;
    --hero-top:#f0fdf4;

    --ink:#111111;
    --ink-2:#3A3D44;
    --ink-soft:#696F8C;
    --ink-faint:#9AA0AE;
    --line:rgba(0,0,0,0.09);
    --line-2:rgba(0,0,0,0.06);
    --paper:#ffffff;
    --paper-2:#F7F8F7;
    --page-bg:#EFF2EE;
    --track:#EDEFEE;

    --shadow: 0 1px 2px rgba(16,24,16,.04), 0 18px 40px -24px rgba(16,40,20,.22);
    --shadow-sm: 0 1px 2px rgba(16,24,16,.05), 0 6px 16px -12px rgba(16,40,20,.22);
    --radius:14px;
    --radius-sm:10px;
    --ease:cubic-bezier(.22,.68,.32,1);
  }
  /* per-engine accent palette (brand-derived) */
  [data-engine="docupipe_high"]    { --c:#288a2d; --cd:#176A1C; --cw:#E8F5E9; }
  [data-engine="docupipe_standard"]{ --c:#5BA85F; --cd:#3E8B45; --cw:#EEF7EF; }
  [data-engine="gpt"]              { --c:#1A6B7A; --cd:#124C57; --cw:#E4F1F3; }
  [data-engine="extend"]           { --c:#7626A6; --cd:#59197F; --cw:#F2E9F8; }
  [data-engine="claude"]           { --c:#C2622E; --cd:#97461C; --cw:#FAEEE5; }
  [data-engine="gemini"]           { --c:#3B6FD4; --cd:#2A52A0; --cw:#E9EFFB; }

  *{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; }
  body{
    margin:0; color:var(--ink);
    background-color:var(--page-bg);
    background-image:
      linear-gradient(rgba(40,138,45,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(40,138,45,.05) 1px, transparent 1px);
    background-size:30px 30px;
    background-position:center top;
    font-family:"Roboto", system-ui, -apple-system, sans-serif;
    font-size:15px; line-height:1.5; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  }
  .mono{ font-family:"Roboto Mono", ui-monospace, monospace; }
  .num{ font-family:"Roboto Mono", ui-monospace, monospace; font-variant-numeric:tabular-nums; }
  .eyebrow{ font-family:"Roboto Mono", monospace; font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--green-press); font-weight:500; }
  a{ color:var(--green-press); }

  /* ---------- reveal ---------- */
  @keyframes rise{ from{ opacity:0; transform:translateY(12px); } to{ opacity:1; transform:none; } }
  .reveal{ opacity:0; animation:rise .65s var(--ease) forwards; }
  @media (prefers-reduced-motion:reduce){ .reveal{ animation:none; opacity:1; } }

  /* ---------- hero band (lives inside the frame so the margin rules run to the top) ---------- */
  .band{ position:relative; }
  .band__inner{ position:relative; z-index:1; padding:34px 30px 34px; }

  .topbar{ display:flex; align-items:center; justify-content:space-between; gap:18px; }
  .wordmark{ display:inline-flex; align-items:center; gap:11px; text-decoration:none; color:inherit; transition:opacity .15s var(--ease); }
  .wordmark:hover{ opacity:.78; }
  .logo{ width:30px; height:30px; flex:none; display:block; border-radius:8px; box-shadow:0 5px 14px -7px rgba(23,106,28,.7); }
  .wordmark b{ font-weight:900; font-size:16px; letter-spacing:.12em; color:var(--ink); }
  .topbar .tag-pill{ font-family:"Roboto Mono", monospace; font-size:11px; letter-spacing:.06em; color:var(--green-press); background:rgba(40,138,45,.09); border:1px solid rgba(40,138,45,.22); padding:6px 12px; border-radius:999px; }

  .hero-eyebrow{ margin:46px 0 18px; }
  h1{ font-weight:900; font-size:clamp(2.4rem, 5.4vw, 3.9rem); line-height:1.04; letter-spacing:-.02em; margin:0 0 16px; max-width:18ch; }
  h1 .g{ color:var(--green); }
  .lede{ color:var(--ink-soft); font-size:clamp(1rem,1.5vw,1.15rem); max-width:52ch; margin:0 0 26px; }
  .hero-chips{ display:flex; gap:9px; flex-wrap:wrap; }
  .hero-chips .chip{ font-family:"Roboto Mono", monospace; font-size:11.5px; color:var(--ink-2); background:rgba(255,255,255,.72); border:1px solid var(--line); padding:6px 12px; border-radius:999px; backdrop-filter:blur(4px); }
  .hero-chips .chip b{ color:var(--ink); font-weight:700; }

  /* ---------- layout ---------- */
  .wrap{ max-width:1180px; margin:0 auto; padding:0 28px 90px; }
  section{ margin-top:40px; }
  .sec-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:18px; flex-wrap:wrap; margin-bottom:16px; }
  .sec-title{ font-weight:900; font-size:1.5rem; letter-spacing:-.012em; margin:5px 0 0; }
  .sec-note{ color:var(--ink-faint); font-size:13px; max-width:46ch; }

  .panel{ position:relative; background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-sm); box-shadow:none; overflow:hidden; }

  /* ---------- framed column: vertical margin rules with green intersection dots at each separator ---------- */
  .frame{ position:relative; border-left:1px solid var(--line); border-right:1px solid var(--line); }
  .frame > section{ margin:0; padding:30px 30px; }
  .sep{ position:relative; height:0; border-top:1px solid var(--line); }
  .sep::before, .sep::after{ content:""; position:absolute; top:0; width:6px; height:6px; border-radius:50%; background:#9097A3; box-shadow:0 0 0 3px var(--page-bg); }
  .sep::before{ left:0; transform:translate(-50%,-50%); }
  .sep::after{ right:0; transform:translate(50%,-50%); }

  /* learn more */
  .learn-card{ display:flex; align-items:center; justify-content:space-between; gap:22px; flex-wrap:wrap;
    padding:24px 26px; border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--paper-2); }
  .learn-card h3{ margin:0 0 4px; font-size:16px; font-weight:700; }
  .learn-card p{ margin:0; color:var(--ink-soft); font-size:13.5px; max-width:56ch; }
  .learn-btn{ display:inline-flex; align-items:center; gap:8px; white-space:nowrap; font-weight:600; font-size:14px;
    color:#fff; text-decoration:none; padding:11px 22px; border-radius:999px;
    background:linear-gradient(135deg,#2c8c43,#176A1C); box-shadow:0 8px 18px -10px rgba(23,106,28,.8);
    transition:transform .15s var(--ease), box-shadow .15s var(--ease); }
  .learn-btn:hover{ transform:translateY(-1px); box-shadow:0 12px 22px -10px rgba(23,106,28,.9); }

  .ctl-divider{ height:1px; background:var(--line); margin:3px 0; }

  /* ---------- controls ---------- */
  .controls{ padding:20px 24px; border-bottom:1px solid var(--line); background:var(--paper-2); display:flex; flex-direction:column; gap:16px; }
  .ctl-group{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
  .ctl-label{ font-family:"Roboto Mono", monospace; font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint); width:96px; flex:none; }
  @media (max-width:620px){ .ctl-label{ width:auto; } }
  /* filter units keep their label glued to their control so they wrap as a whole */
  .filters-row{ gap:14px 18px; }
  .fu{ display:flex; align-items:center; gap:9px; }
  .fu-label{ font-family:"Roboto Mono", monospace; font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint); flex:none; }
  .ctl-hint{ font-family:"Roboto Mono", monospace; font-size:10.5px; color:var(--ink-faint); white-space:nowrap; }
  .ctl-subhint{ font-family:"Roboto Mono", monospace; font-size:10.5px; color:var(--ink-faint); padding-left:108px; margin-top:-9px; }
  .sec-tools{ display:flex; align-items:center; gap:10px; }
  @media (max-width:620px){ .ctl-subhint{ padding-left:0; } }

  /* system chips (compare) */
  .syschip{ display:inline-flex; align-items:center; gap:8px; cursor:pointer; user-select:none;
    font-size:13px; font-weight:500; color:var(--ink-2); background:var(--paper); border:1px solid var(--line);
    padding:7px 13px 7px 11px; border-radius:999px; transition:all .18s var(--ease); }
  .syschip .dot{ width:10px; height:10px; border-radius:3px; background:var(--c); transition:all .18s; }
  .syschip .sub{ font-family:"Roboto Mono",monospace; font-size:10px; color:var(--ink-faint); letter-spacing:.02em; }
  .syschip:hover{ border-color:rgba(0,0,0,.2); }
  .syschip[aria-pressed="false"]{ opacity:.4; }
  .syschip[aria-pressed="false"] .dot{ background:var(--ink-faint); }
  .syschip[data-focal="true"]{ border-color:var(--c); background:var(--cw); color:var(--cd); box-shadow:0 0 0 1px var(--c) inset; font-weight:700; }
  .syschip[data-focal="true"] .sub{ color:var(--cd); }

  /* segmented + chips for filters */
  .seg{ display:inline-flex; background:var(--track); border:1px solid var(--line); border-radius:999px; padding:3px; gap:2px; }
  .seg button{ appearance:none; border:0; background:transparent; cursor:pointer; font-family:inherit; font-size:12.5px; font-weight:500; color:var(--ink-soft); padding:6px 11px; border-radius:999px; transition:all .18s var(--ease); white-space:nowrap; }
  .seg button:hover{ color:var(--ink); }
  .seg button[aria-pressed="true"]{ background:var(--paper); color:var(--green-press); box-shadow:var(--shadow-sm); font-weight:700; }
  .seg button small{ font-family:"Roboto Mono",monospace; font-weight:400; opacity:.6; margin-left:4px; font-size:10px; }

  .fchip{ appearance:none; cursor:pointer; font-family:inherit; font-size:12.5px; font-weight:500; color:var(--ink-2);
    background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:6px 12px; transition:all .18s var(--ease); white-space:nowrap; }
  .fchip small{ font-family:"Roboto Mono",monospace; opacity:.55; margin-left:5px; font-size:10px; }
  .fchip:hover{ border-color:rgba(0,0,0,.2); color:var(--ink); }
  .fchip[aria-pressed="true"]{ background:var(--green-wash); border-color:var(--green); color:var(--green-press); font-weight:700; }
  .fchip[aria-pressed="true"] small{ opacity:.8; }

  .ctl-spacer{ flex:1; }
  .countpill{ font-family:"Roboto Mono",monospace; font-size:12px; color:var(--ink); background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:6px 13px; white-space:nowrap; }
  .countpill b{ color:var(--green-press); font-weight:700; }
  .btn{ appearance:none; cursor:pointer; font-family:inherit; font-size:12.5px; font-weight:600; color:var(--ink-soft);
    background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:7px 14px; transition:all .18s var(--ease);
    display:inline-flex; align-items:center; gap:6px; }
  .btn:hover{ color:var(--ink); border-color:rgba(0,0,0,.22); }
  .btn[disabled]{ opacity:.4; cursor:default; }

  /* ---------- figure body (bignum + bars) ---------- */
  .figbody{ display:grid; grid-template-columns: minmax(220px, .8fr) 1.55fr; }
  .figfocus{ padding:30px 30px 28px; border-right:1px solid var(--line); display:flex; flex-direction:column; background:linear-gradient(180deg,var(--cw),transparent 72%); }
  .bignum{ font-weight:900; font-size:clamp(3.6rem,8vw,5.6rem); line-height:.9; letter-spacing:-.035em; color:var(--cd); font-variant-numeric:tabular-nums; display:flex; align-items:flex-start; }
  .bignum .pc{ font-size:.32em; font-weight:700; margin-top:.5em; margin-left:.05em; color:var(--c); font-family:"Roboto Mono",monospace; }
  .focusname{ margin-top:14px; font-size:1.1rem; font-weight:700; }
  .focussub{ color:var(--ink-faint); font-size:12.5px; margin-top:2px; }
  .focusmeta{ margin-top:auto; padding-top:22px; color:var(--ink-soft); font-size:12.5px; line-height:1.45; }
  .focusmeta b{ color:var(--ink); }

  .figbars{ padding:28px 32px 26px; display:flex; flex-direction:column; justify-content:center; gap:18px; }
  .barrow{ display:grid; gap:8px; transition:opacity .25s; }
  .barrow.hide{ display:none; }
  .barrow__top{ display:flex; align-items:baseline; justify-content:space-between; gap:10px; }
  .barrow__name{ font-size:14px; font-weight:500; color:var(--ink-soft); display:flex; align-items:center; gap:8px; transition:all .2s; }
  .barrow__name small{ font-family:"Roboto Mono",monospace; font-weight:400; font-size:10px; letter-spacing:.04em; text-transform:uppercase; color:var(--ink-faint); }
  .barrow[data-focal="true"] .barrow__name{ color:var(--ink); font-weight:700; }
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        <b>DOCUPIPE</b>
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    <div class="hero-eyebrow eyebrow reveal" style="animation-delay:.02s">AI document-extraction benchmark</div>
    <h1 class="reveal" style="animation-delay:.06s">DocuBench</h1>
    <p class="lede reveal" style="animation-delay:.1s">DocuBench pairs 50 real-world documents with a JSON Schema and a hand-verified label, then scores each system on macro-average field accuracy. The set is deliberately hard: arrays and nested tables, right-to-left and CJK scripts, rotated scans, handwriting, and non-PDF formats.</p>

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  <!-- ============ FIGURE: compare + filter + bars ============ -->
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        <h2 class="sec-title">Macro-average field accuracy</h2>
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        <span class="countpill" id="countPill"><b>50</b> / 50 docs</span>
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          <div class="bignum"><span id="bigNum">97.56</span><span class="pc">%</span></div>
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  <!-- ============ BREAKDOWN MATRIX ============ -->
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        <h2 class="sec-title">Accuracy by slice</h2>
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        <h2 class="sec-title">Learn more</h2>
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        <h3>The full DocuBench write-up</h3>
        <p>Methodology, the scoring contract, worked examples, and a per-document analysis of where each system wins and loses.</p>
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5-comp sales-comparison array reconciles", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.986182, "docupipe_standard": 0.962, "extend": 0.949333, "gpt": 0.885333, "claude": 0.962, "gemini": 0.962}, {"id": "tLFa76nQ", "name": "Fidelity Brokerage Statement (sliced from 28p)", "lang": "en", "ftype": "pdf", "pages": 18, "feature": "brokerage; 18-holding + 58-activity arrays, holdings sum reconciles", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.97694, "docupipe_standard": 0.946918, "extend": 0.87605, "gpt": 0.793383, "claude": 0.729009, "gemini": 0.747722}, {"id": "5ukZftw0", "name": "Financial Sample Spreadsheet (trimmed 30 rows)", "lang": "en", "ftype": "xlsx", "pages": 1, "feature": "30-row table, computed columns reconcile per row", "flags": {"arrays": false, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.966102, "docupipe_standard": 0.966102, "extend": 0.949153, "gpt": 1.0, "claude": 0.0, "gemini": 0.661017}, {"id": "B0nA2c30", "name": "Five Guys Receipt (rotated 180, PNG)", "lang": "en", "ftype": "png", "pages": 1, "feature": "rotation-robustness; 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4-row charge array + VAT, grand total reconciles", "flags": {"arrays": true, "reconcile": true, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.983607, "docupipe_standard": 0.983607, "extend": 0.983607, "gpt": 1.0, "claude": 1.0, "gemini": 0.983607}, {"id": "wVafMvAC", "name": "German 1976 Wage Statement", "lang": "de", "ftype": "jpeg", "pages": 1, "feature": "payslip; deduction-row array with printed trailing-minus storno (negative) amounts", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.897382, "docupipe_standard": 1.0, "extend": 0.786441, "gpt": 1.0, "claude": 0.177401, "gemini": 1.0}, {"id": "XhJyv5mb", "name": "German DEG Jahresabschluss Bilanz+GuV (excerpt)", "lang": "de", "ftype": "pdf", "pages": 2, "feature": "balance-sheet + income-statement arrays, Aktiva=Passiva", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.982609, "docupipe_standard": 0.956522, "extend": 0.735043, "gpt": 0.973913, "claude": 0.991304, "gemini": 0.973913}, {"id": "ZXlksSpk", "name": "Getbuildingworks BOQ Summary", "lang": "en", "ftype": "pdf", "pages": 1, "feature": "25-bill summary array reconciles to grand total", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "bjBNmyNw", "name": "Gordmans PO Line Items", "lang": "en", "ftype": "pdf", "pages": 1, "feature": "retail PO; 4 line items, extended-cost reconciles", "flags": {"arrays": false, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.952381, "docupipe_standard": 0.952381, "extend": 0.97619, "gpt": 0.642857, "claude": 1.0, "gemini": 1.0}, {"id": "pw8elPW9", "name": "Hebrew Financial Statement (DOCX)", "lang": "he", "ftype": "docx", "pages": 1, "feature": "Hebrew RTL balance sheet + income statement, reconciling totals", "flags": {"arrays": false, "reconcile": true, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 0.833333, "gpt": 0.833333, "claude": 1.0, "gemini": 0.962963}, {"id": "SBR9L7Y8", "name": "Hebrew Payslip", "lang": "he", "ftype": "jpeg", "pages": 1, "feature": "Hebrew RTL; 5 payment + 6 deduction rows, gross/net reconcile", "flags": {"arrays": false, "reconcile": true, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 0.448276, "gpt": 0.862069, "claude": 0.448276, "gemini": 0.931034}, {"id": "jlKc8eVi", "name": "Hitachi Japanese Invoice", "lang": "ja", "ftype": "pdf", "pages": 1, "feature": "Japanese; 30-row line-item array w/ symbol product codes", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": true, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.98401, "docupipe_standard": 0.98401, "extend": 0.907107, "gpt": 0.970812, "claude": 0.965736, "gemini": 0.975888}, {"id": "45xidifn", "name": "Hitachi Japanese Statement", "lang": "ja", "ftype": "pdf", "pages": 1, "feature": "Japanese; 32 trip rows + 12 subtotals, grand total reconciles", "flags": {"arrays": false, "reconcile": true, "rtl": false, "cjk": true, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.989461, "docupipe_standard": 1.0, "extend": 0.900077, "gpt": 0.90285, "claude": 0.802927, "gemini": 0.90285}, {"id": "97uZroyv", "name": "Hyperfine Schedule Sheet (sliced from 16p)", "lang": "en", "ftype": "pdf", "pages": 1, "feature": "architectural door/room/window schedules; sparse blanks -> null", "flags": {"arrays": false, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 0.962085, "claude": 0.962085, "gemini": 1.0}, {"id": "WxP8Tqgf", "name": "Italian Busta Paga (payslip)", "lang": "it", "ftype": "pdf", "pages": 1, "feature": "VOCE/competenze pay-line array, gross/net reconcile", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.973505, "docupipe_standard": 0.973505, "extend": 0.942935, "gpt": 0.964674, "claude": 1.0, "gemini": 0.951766}, {"id": "LYeb3G3s", "name": "Labsmart CBC Lab Report", "lang": "en", "ftype": "pdf", "pages": 2, "feature": "13-analyte results array, nested patient", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": true}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 0.980769, "gpt": 0.980769, "claude": 0.980769, "gemini": 1.0}, {"id": "J6buHXQ4", "name": "Majdal Shams Municipal Financials", "lang": "he", "ftype": "pdf", "pages": 13, "feature": "Hebrew; balance-sheet + budget receipts/payments arrays", "flags": {"arrays": true, "reconcile": false, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.954613, "docupipe_standard": 0.951444, "extend": 0.627876, "gpt": 0.925072, "claude": 0.929443, "gemini": 0.902976}, {"id": "4kVtTRoL", "name": "Moneck Merchant Statement", "lang": "en", "ftype": "pdf", "pages": 5, "feature": "merchant card statement; deposits/fees/chargebacks arrays", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.997619, "docupipe_standard": 1.0, "extend": 0.997619, "gpt": 0.866667, "claude": 0.921429, "gemini": 0.919048}, {"id": "ENoM9faK", "name": "NASA Mechanical Drawing (sliced from 128p)", "lang": "en", "ftype": "pdf", "pages": 1, "feature": "engineering drawing; 15-row list-of-material array", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.947692, "docupipe_standard": 0.804, "extend": 0.795385, "gpt": 0.844776, "claude": 0.863582, "gemini": 1.0}, {"id": "NNaGgwE5", "name": "NRCS Pedon Handwritten Form", "lang": "en", "ftype": "pdf", "pages": 2, "feature": "handwriting; 10 soil-horizon rows, Munsell colors", "flags": {"arrays": false, "reconcile": false, "rtl": false, "cjk": false, "handwriting": true, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 0.977849, "extend": 0.977528, "gpt": 0.785714, "claude": 0.977528, "gemini": 0.988764}, {"id": "OayFbGlG", "name": "Optum Discharge Summary", "lang": "en", "ftype": "pdf", "pages": 2, "feature": "healthcare; diagnoses array, empty-meds case", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 0.944444, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "zKibU88u", "name": "Orders Export XML", "lang": "en", "ftype": "xml", "pages": 1, "feature": "200-order export; needle-extraction of one order + scattered lookups", "flags": {"arrays": false, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": true, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "C7fe2lau", "name": "Peppol UBL E-Invoice", "lang": "en", "ftype": "xml", "pages": 1, "feature": "UBL XML; 3 invoice lines + tax/monetary totals reconcile", "flags": {"arrays": false, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "WnxX1Buq", "name": "PG&E Solar NEM Statement", "lang": "en", "ftype": "pdf", "pages": 4, "feature": "energy NEM; charge-line + NEM-credit arrays reconcile", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 0.848485, "gpt": 0.975, "claude": 1.0, "gemini": 1.0}, {"id": "5YJaBbNg", "name": "Portuguese Balanco e Demonstracao de Resultados (excerpt)", "lang": "pt", "ftype": "pdf", "pages": 2, "feature": "balance-sheet + income-statement arrays reconcile", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.97561, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 0.97561, "claude": 0.97561, "gemini": 0.963855}, {"id": "NlWTPen5", "name": "PPL Electric Two Bill Example", "lang": "en", "ftype": "pdf", "pages": 3, "feature": "delivery charge array, usage + demand", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "qQUPWQNA", "name": "Ramat Gan Arnona Rates 2025", "lang": "he", "ftype": "pdf", "pages": 5, "feature": "Hebrew; residential + zoned/banded property-type rate arrays", "flags": {"arrays": true, "reconcile": false, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.763351, "docupipe_standard": 0.78142, "extend": 0.737057, "gpt": 0.748112, "claude": 0.799718, "gemini": 0.734771}, {"id": "Oe7iRM1G", "name": "Sage French Bulletin de Paie (payslip)", "lang": "fr", "ftype": "pdf", "pages": 1, "feature": "18-row social-contributions array, gross/net reconcile", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 0.955137, "extend": 0.809816, "gpt": 1.0, "claude": 0.841837, "gemini": 0.946454}, {"id": "UnG6cLfP", "name": "Samson Oil & Gas Check Stub", "lang": "en", "ftype": "pdf", "pages": 2, "feature": "oil&gas revenue lines, per-line deductions, gross/net reconcile", "flags": {"arrays": false, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 0.913131, "gpt": 0.969697, "claude": 1.0, "gemini": 0.939394}, {"id": "BnftpXVQ", "name": "SEC EDGAR FedEx Credit Agreement (excerpt)", "lang": "en", "ftype": "pdf", "pages": 2, "feature": "22-lender commitment array sums to $1.5B", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "SkD8Lz8o", "name": "SEC EDGAR Precision Lease 4th Amendment (excerpt)", "lang": "en", "ftype": "pdf", "pages": 3, "feature": "transposed multi-period rent schedule -> flat array", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 0.885714, "claude": 1.0, "gemini": 1.0}, {"id": "yTRFKVPx", "name": "Smartsheet Construction Invoice", "lang": "en", "ftype": "pdf", "pages": 4, "feature": "materials/labor/misc line-item arrays, reconciling totals", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "DtfW60lS", "name": "Spanish Iberdrola Factura Electricidad", "lang": "es", "ftype": "pdf", "pages": 4, "feature": "facturacion charge array reconciles to Total a pagar", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "nESapyAA", "name": "Taub Hebrew Tax Invoice", "lang": "he", "ftype": "pdf", "pages": 1, "feature": "Hebrew RTL; line-item + payment, 18% VAT reconciles", "flags": {"arrays": false, "reconcile": true, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.954545, "docupipe_standard": 0.954545, "extend": 1.0, "gpt": 0.909091, "claude": 0.909091, "gemini": 0.909091}, {"id": "QxoQ6zgn", "name": "UICCP Packing List Carton Dimensions", "lang": "en", "ftype": "pdf", "pages": 1, "feature": "carton/packing spec table array", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 1.0}, {"id": "phovuuuk", "name": "University of Pittsburgh Filled Sample W-2", "lang": "en", "ftype": "pdf", "pages": 3, "feature": "box 12 + box 14 code arrays", "flags": {"arrays": true, "reconcile": false, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 1.0, "docupipe_standard": 1.0, "extend": 1.0, "gpt": 1.0, "claude": 1.0, "gemini": 0.961538}, {"id": "iTruRDrG", "name": "Vince Sea Waybill", "lang": "en", "ftype": "pdf", "pages": 2, "feature": "cargo array w/ HS codes, cartons/weight/cbm reconcile", "flags": {"arrays": true, "reconcile": true, "rtl": false, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.8, "docupipe_standard": 0.8, "extend": 0.615385, "gpt": 0.981818, "claude": 0.628571, "gemini": 1.0}, {"id": "qoSTXgNE", "name": "Zionist Strategy NGO Financials", "lang": "he", "ftype": "pdf", "pages": 4, "feature": "Hebrew; 3-statement leaf line items, 3 reconciliations", "flags": {"arrays": false, "reconcile": true, "rtl": true, "cjk": false, "handwriting": false, "rotated": false, "needle": false, "nested": false}, "docupipe_high": 0.694444, "docupipe_standard": 0.65625, "extend": 0.694444, "gpt": 0.75, "claude": 0.65, "gemini": 0.740741}]};

const ENGINES = {
  docupipe_high:     { label:"DocuPipe", tier:"high effort" },
  docupipe_standard: { label:"DocuPipe", tier:"standard" },
  gpt:               { label:"GPT-5.5",  tier:"" },
  extend:            { label:"Extend",   tier:"" },
  claude:            { label:"Claude",   tier:"Sonnet 4.6" },
  gemini:            { label:"Gemini",   tier:"3.5 Flash" },
};
const ORDER = ["docupipe_high","gemini","gpt","extend","claude","docupipe_standard"];

/* =================== STATE =================== */
const state = {
  shown: new Set(ORDER),
  focal: "docupipe_high",
  filters: { lang:"all", len:"all", fmt:"all", features:new Set() },
  dim: "ftype",
  sortKey: "docupipe_high",
  sortDir: -1,
};

/* =================== HELPERS =================== */
const mean = a => a.length ? a.reduce((x,y)=>x+y,0)/a.length : 0;
const fmt = (v,dp=2) => (v*100).toFixed(dp);
const IMG = new Set(["jpeg","png","tiff"]);

function matches(d){
  const f = state.filters;
  if(f.lang==="en"  && d.lang!=="en") return false;
  if(f.lang==="non" && d.lang==="en") return false;
  if(f.len==="single" && d.pages!==1) return false;
  if(f.len==="multi"  && !(d.pages>1)) return false;
  if(f.len==="long"   && !(d.pages>5)) return false;
  if(f.fmt==="pdf"    && d.ftype!=="pdf") return false;
  if(f.fmt==="image"  && !IMG.has(d.ftype)) return false;
  if(f.fmt==="other"  && (d.ftype==="pdf"||IMG.has(d.ftype))) return false;
  for(const fl of f.features){ if(!d.flags[fl]) return false; }
  return true;
}
const subsetDocs = () => DATA.docs.filter(matches);
function aggFor(engine, docs){ return mean(docs.map(d=>d[engine])); }

function floorScale(minPct){
  if(minPct >= 100) return 95;              // avoid a zero-width scale when every system is perfect
  let fl = Math.floor(minPct/5)*5;          // floor to the nearest 5 below the lowest system
  if(minPct - fl < 0.25) fl -= 5;           // only step down if the min sits right on the gridline
  return Math.max(0, fl);
}
const shownOrder = () => ORDER.filter(k=>state.shown.has(k));

/* =================== BUILD: system chips =================== */
const sysChips = document.getElementById("sysChips");
ORDER.forEach(k=>{
  const e = ENGINES[k];
  const b = document.createElement("button");
  b.className="syschip"; b.dataset.engine=k;
  b.setAttribute("aria-pressed","true");
  b.innerHTML = `<span class="dot"></span><span>${e.label}</span>${e.tier?`<span class="sub">${e.tier}</span>`:""}`;
  // normal click = include/exclude in the comparison (at least one must stay on);
  // ⌘/Ctrl-click = highlight that model (showing it first if it was hidden)
  b.addEventListener("click",(ev)=>{
    if(ev.metaKey || ev.ctrlKey){
      if(!state.shown.has(k)) state.shown.add(k);
      state.focal=k;
      renderAll();
      return;
    }
    if(state.shown.has(k)){
      if(state.shown.size===1) return;                 // keep at least one
      state.shown.delete(k);
      if(state.focal===k) state.focal=shownOrder()[0]; // hand off the highlight
    } else {
      state.shown.add(k);
    }
    renderAll();
  });
  sysChips.appendChild(b);
});

/* =================== BUILD: filter controls =================== */
function buildSeg(host, options, getCur, onPick){
  host.innerHTML="";
  options.forEach(o=>{
    const b=document.createElement("button");
    b.innerHTML = `${o.label}${o.count!=null?`<small>${o.count}</small>`:""}`;
    b.addEventListener("click",()=>{ onPick(o.value); refreshSeg(host,options,getCur); renderAll(); });
    host.appendChild(b);
  });
  refreshSeg(host,options,getCur);
}
function refreshSeg(host,options,getCur){
  [...host.children].forEach((b,i)=> b.setAttribute("aria-pressed", options[i].value===getCur()));
}
const cnt = pred => DATA.docs.filter(pred).length;

buildSeg(document.getElementById("fLang"),
  [{label:"All",value:"all"},{label:"English",value:"en",count:cnt(d=>d.lang==="en")},{label:"Non-English",value:"non",count:cnt(d=>d.lang!=="en")}],
  ()=>state.filters.lang, v=>state.filters.lang=v);

buildSeg(document.getElementById("fLen"),
  [{label:"All",value:"all"},{label:"1 page",value:"single",count:cnt(d=>d.pages===1)},{label:"Multi",value:"multi",count:cnt(d=>d.pages>1)},{label:"6+ pages",value:"long",count:cnt(d=>d.pages>5)}],
  ()=>state.filters.len, v=>state.filters.len=v);

buildSeg(document.getElementById("fFmt"),
  [{label:"All",value:"all"},{label:"PDF",value:"pdf",count:cnt(d=>d.ftype==="pdf")},{label:"Image",value:"image",count:cnt(d=>IMG.has(d.ftype))},{label:"Other",value:"other",count:cnt(d=>d.ftype!=="pdf"&&!IMG.has(d.ftype))}],
  ()=>state.filters.fmt, v=>state.filters.fmt=v);

const FEATURES = [
  {flag:"arrays", label:"Arrays"},
  {flag:"reconcile", label:"Reconciling totals"},
  {flag:"rtl", label:"RTL script"},
  {flag:"cjk", label:"CJK script"},
  {flag:"rotated", label:"Rotated scan"},
  {flag:"needle", label:"Needle-in-haystack"},
  {flag:"handwriting", label:"Handwriting"},
];
const fFeat = document.getElementById("fFeat");
FEATURES.forEach(f=>{
  const c = cnt(d=>d.flags[f.flag]); if(c===0) return;
  const b=document.createElement("button");
  b.className="fchip"; b.setAttribute("aria-pressed","false");
  b.innerHTML = `${f.label}<small>${c}</small>`;
  b.addEventListener("click",()=>{
    if(state.filters.features.has(f.flag)) state.filters.features.delete(f.flag);
    else state.filters.features.add(f.flag);
    b.setAttribute("aria-pressed", state.filters.features.has(f.flag));
    renderAll();
  });
  fFeat.appendChild(b);
});

document.getElementById("resetBtn").addEventListener("click",()=>{
  state.filters = { lang:"all", len:"all", fmt:"all", features:new Set() };
  // re-mark the first ("All") option of each segmented control as active
  document.querySelectorAll("#fLang button,#fLen button,#fFmt button").forEach(b=>b.setAttribute("aria-pressed","false"));
  document.querySelectorAll('#fLang button')[0].setAttribute("aria-pressed","true");
  document.querySelectorAll('#fLen button')[0].setAttribute("aria-pressed","true");
  document.querySelectorAll('#fFmt button')[0].setAttribute("aria-pressed","true");
  fFeat.querySelectorAll("button").forEach(b=>b.setAttribute("aria-pressed","false"));
  renderAll();
});

/* =================== BUILD: hero bars (persistent rows) =================== */
const figBars = document.getElementById("figBars");
const barRefs = {};
ORDER.forEach(k=>{
  const e=ENGINES[k];
  const row=document.createElement("div");
  row.className="barrow"; row.dataset.engine=k;
  row.innerHTML=`
    <div class="barrow__top">
      <div class="barrow__name">${e.label}${e.tier?` <small>${e.tier}</small>`:""} <span class="lead-tag">Winner</span></div>
      <div class="barrow__r"><span class="barrow__delta"></span><span class="barrow__val num"></span></div>
    </div>
    <div class="bar"><div class="bar__fill"></div></div>`;
  figBars.appendChild(row);
  barRefs[k]={ row, name:row.querySelector(".barrow__name"), delta:row.querySelector(".barrow__delta"), val:row.querySelector(".barrow__val"), fill:row.querySelector(".bar__fill") };
});
const axisEl=document.createElement("div");
axisEl.className="axis";
axisEl.innerHTML=`<span id="axMin">90%</span><span>100%</span>`;
figBars.appendChild(axisEl);
const capEl=document.createElement("div");
capEl.className="subset-cap"; capEl.id="subsetCap";
figBars.appendChild(capEl);

/* =================== BUILD: matrix + docs headers/bodies =================== */
const bdHead=document.getElementById("bdHead"), bdBody=document.getElementById("bdBody");
const docHead=document.getElementById("docHead"), docBody=document.getElementById("docBody");

function gridTemplate(nSys, labelFr){ return `${labelFr} repeat(${nSys}, minmax(96px, .8fr))`; }
function sourceFileHref(d){
  const path = `documents/${d.id}.${d.ftype}`;
  if(location.protocol === "file:") return path;
  return `https://github.com/DocuPipe/docubench/blob/main/${path}`;
}

/* docs rows persistent */
const docRefs={};
DATA.docs.forEach((d,i)=>{
  const row=document.createElement("div"); row.className="grow"; row.dataset.id=d.id;
  row.innerHTML=`<div class="doc-label">
      <span class="doc-idx num"></span>
      <div class="doc-meta">
        <div class="doc-name"><span class="doc-tags"><span class="t lang">${d.lang}</span><span class="t">${d.ftype}</span></span>${d.name}<a class="doc-source" href="${sourceFileHref(d)}" target="_blank" rel="noopener">source file</a></div>
        <div class="doc-feat">${d.feature}</div>
      </div>
    </div>`;
  docBody.appendChild(row);
  docRefs[d.id]={ row, idx:row.querySelector(".doc-idx"), cells:{} };
});

/* =================== RENDER =================== */
function propagateEngine(){
  const k=state.focal;
  ["figBody","figFocus","bdHead","docHead"].forEach(id=>document.getElementById(id).dataset.engine=k);
  document.querySelector(".band").dataset.engine=k;
}

function renderAll(){
  propagateEngine();
  const shown=shownOrder();
  const docs=subsetDocs();
  const agg={}; shown.forEach(k=>agg[k]=aggFor(k,docs));

  // system chips state
  ORDER.forEach(k=>{
    const b=[...sysChips.children].find(x=>x.dataset.engine===k);
    b.setAttribute("aria-pressed", state.shown.has(k));
    b.dataset.focal = (k===state.focal);
  });

  // count + reset
  const f=state.filters;
  const active = f.lang!=="all"||f.len!=="all"||f.fmt!=="all"||f.features.size>0;
  document.getElementById("countPill").innerHTML=`<b>${docs.length}</b> / 50 docs`;
  document.getElementById("resetBtn").disabled=!active;

  const figBody=document.getElementById("figBody");
  const emptyFig=document.getElementById("emptyFig");
  if(docs.length===0){
    figBody.style.display="none"; emptyFig.style.display="block";
  } else {
    figBody.style.display=""; emptyFig.style.display="none";
    renderBars(shown, agg, docs);
  }

  renderMatrix(shown);
  renderDocs(shown, docs);
  renderLegend(shown);
}

function renderBars(shown, agg, docs){
  const vals=shown.map(k=>agg[k]);
  const maxV=Math.max(...vals), minV=Math.min(...vals);
  const floorPct=floorScale(minV*100);
  document.getElementById("axMin").textContent=floorPct+"%";
  const span=100-floorPct;
  // ranking
  const ranked=[...shown].sort((a,b)=>agg[b]-agg[a]);

  ORDER.forEach(k=>{
    const r=barRefs[k];
    if(!state.shown.has(k)){ r.row.classList.add("hide"); return; }
    r.row.classList.remove("hide");
    r.row.style.order=ranked.indexOf(k);
    const v=agg[k];
    r.val.textContent=fmt(v,2);
    r.fill.style.width=(Math.max(0,(v*100-floorPct))/span*100).toFixed(2)+"%";
    const isFocal=k===state.focal;
    r.row.dataset.focal=isFocal;
    r.row.dataset.lead=(Math.abs(v-maxV)<1e-9);
    if(isFocal){ r.delta.textContent=""; }
    else{ const d=parseFloat(fmt(v,2))-parseFloat(fmt(agg[state.focal],2)); r.delta.textContent=(d>=0?"+":"−")+Math.abs(d).toFixed(2); }
  });

  // focus panel
  const fa=agg[state.focal];
  document.getElementById("bigNum").textContent=fmt(fa,2);
  const e=ENGINES[state.focal];
  document.getElementById("focusName").textContent=`${e.label}${e.tier?" "+e.tier:""}`;
  const isLead=Math.abs(fa-maxV)<1e-9;
  const n=docs.length;
  document.getElementById("focusSub").textContent= isLead
    ? `leads across ${n} document${n>1?"s":""}`
    : `#${ranked.indexOf(state.focal)+1} of ${shown.length} on ${n} document${n>1?"s":""}`;
  document.getElementById("subsetCap").innerHTML = subsetCaption(n);
}

function subsetCaption(n){
  const f=state.filters; const parts=[];
  if(f.lang==="en") parts.push("English"); else if(f.lang==="non") parts.push("non-English");
  if(f.len==="single") parts.push("single-page"); else if(f.len==="multi") parts.push("multi-page"); else if(f.len==="long") parts.push("6+ pages");
  if(f.fmt==="pdf") parts.push("PDF"); else if(f.fmt==="image") parts.push("image"); else if(f.fmt==="other") parts.push("non-PDF/image");
  FEATURES.forEach(ft=>{ if(f.features.has(ft.flag)) parts.push(ft.label); });
  if(!parts.length) return `Across <b>all ${n}</b> documents in the benchmark.`;
  return `Across <b>${n}</b> document${n>1?"s":""}: ${parts.join(" · ")}.`;
}

function engHeaderCols(host, labelText, sortable){
  const shown=shownOrder();
  host.style.gridTemplateColumns=gridTemplate(shown.length, host===docHead?"1.7fr":"1.4fr");
  let html=`<div class="gh-col">${labelText}</div>`;
  shown.forEach(k=>{
    const e=ENGINES[k];
    const sorted = sortable && state.sortKey===k;
    html+=`<div class="gh-eng gh-col" data-engine="${k}" data-key="${k}" ${state.focal===k?'data-focal="true"':""} ${sorted?`data-sorted="${state.sortDir}"`:""}>
      <div class="nm"><span class="sw"></span>${e.label}${e.tier?" "+e.tier:""} ${sortable?`<span class="sortcaret">${sorted?(state.sortDir<0?"▼":"▲"):"▾"}</span>`:""}</div>
      <div class="agg">${"—"}</div></div>`;
  });
  host.innerHTML=html;
}

let bdCellMap={};
function renderMatrix(shown){
  // header
  engHeaderCols(bdHead, "Slice", false);
  // aggregates over FULL set
  shown.forEach(k=>{ const a=aggFor(k,DATA.docs); bdHead.querySelector(`.gh-eng[data-key="${k}"] .agg`).textContent=fmt(a,2)+"%"; });
  // rows
  const groups={};
  DATA.docs.forEach(d=>{ const v=d[state.dim]; (groups[v]||=[]).push(d); });
  const rows=Object.keys(groups).map(v=>({value:v,docs:groups[v]}));
  rows.sort((a,b)=>b.docs.length-a.docs.length || a.value.localeCompare(b.value));

  bdBody.innerHTML=""; bdCellMap={};
  rows.forEach(r=>{
    const el=document.createElement("div"); el.className="grow";
    el.style.gridTemplateColumns=gridTemplate(shown.length,"1.4fr");
    let html=`<div class="bd-label"><span class="bd-key">${r.value}</span><span class="bd-count"><b>${r.docs.length}</b> doc${r.docs.length>1?"s":""}</span></div>`;
    shown.forEach(k=>{
      const v=aggFor(k,r.docs);
      html+=`<div class="scell" data-engine="${k}" ${state.focal===k?'data-focal="true"':""}>
        <div class="scell__track"><div class="scell__fill" style="width:${(v*100).toFixed(1)}%"></div></div>
        <span class="scell__num">${fmt(v,1)}</span></div>`;
    });
    el.innerHTML=html; bdBody.appendChild(el);
  });
  // header click = nothing for matrix
}

function renderDocs(shown, docs){
  engHeaderCols(docHead, `Document · n=${docs.length}`, true);
  // header aggregates over subset + sort handlers
  shown.forEach(k=>{
    const a=aggFor(k,docs);
    docHead.querySelector(`.gh-eng[data-key="${k}"] .agg`).textContent= docs.length?fmt(a,2)+"%":"—";
    const col=docHead.querySelector(`.gh-eng[data-key="${k}"]`);
    col.onclick=()=>{ if(state.sortKey===k) state.sortDir*=-1; else { state.sortKey=k; state.sortDir=-1; } renderAll(); };
  });
  // ensure sortKey is shown
  if(!state.shown.has(state.sortKey)) state.sortKey=shown[0];

  // order rows
  const visIds=new Set(docs.map(d=>d.id));
  const sorted=[...docs].sort((a,b)=> (a[state.sortKey]-b[state.sortKey])*state.sortDir || a.name.localeCompare(b.name));

  let n=0;
  // hide all first, then place sorted
  DATA.docs.forEach(d=>{ docRefs[d.id].row.classList.add("hide"); });
  sorted.forEach((d,i)=>{
    const ref=docRefs[d.id]; ref.row.classList.remove("hide"); ref.row.style.order=i;
    ref.idx.textContent=String(++n).padStart(2,"0");
    // (re)build cells to match shown systems
    rebuildDocCells(d, shown);
  });
  document.getElementById("docEmpty").style.display = docs.length?"none":"block";
}

function rebuildDocCells(d, shown){
  const ref=docRefs[d.id];
  ref.row.style.gridTemplateColumns=gridTemplate(shown.length,"1.7fr");
  // remove old score cells
  ref.row.querySelectorAll(".scell").forEach(n=>n.remove());
  shown.forEach(k=>{
    const v=d[k];
    const cell=document.createElement("div");
    cell.className="scell"; cell.dataset.engine=k; if(state.focal===k) cell.dataset.focal="true";
    cell.innerHTML=`<div class="scell__track"><div class="scell__fill" style="width:${(v*100).toFixed(1)}%"></div></div><span class="scell__num">${fmt(v,1)}</span>`;
    ref.row.appendChild(cell);
  });
}

function renderLegend(shown){
  const legend=document.getElementById("legend"); if(!legend) return;
  legend.innerHTML="";
  ORDER.forEach(k=>{
    if(!state.shown.has(k)) return;
    const e=ENGINES[k];
    const s=document.createElement("span"); s.dataset.engine=k;
    s.innerHTML=`<i style="background:var(--c);opacity:${k===state.focal?1:.55}"></i>${e.label}${e.tier?" "+e.tier:""}`;
    legend.appendChild(s);
  });
}

/* =================== matrix toggle =================== */
document.getElementById("bdToggle").addEventListener("click",e=>{
  const b=e.target.closest("button"); if(!b) return;
  state.dim=b.dataset.dim;
  document.querySelectorAll("#bdToggle button").forEach(x=>x.setAttribute("aria-pressed",x===b));
  renderMatrix(shownOrder());
});

/* =================== INIT =================== */
renderAll();
</script>
</body>
</html>