:root {
    --bg:#fbfaf8; --fg:#1a1a18; --muted:#6b6862; --line:#e3e0d9;
    --card:#fff; --accent:#8a5a00; --accent-bg:#fdf4e3; --high:#a03a12;
  }
  @media (prefers-color-scheme:dark){
    :root{--bg:#14140f;--fg:#ece9e2;--muted:#9a968d;--line:#2c2b25;
      --card:#1c1c17;--accent:#e0a94a;--accent-bg:#2a2317;--high:#e08055;}
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--bg);color:var(--fg);
    font:16px/1.65 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
  .wrap{max-width:46rem;margin:0 auto;padding:3rem 1.25rem 5rem}
  h1{font-size:clamp(1.7rem,4.5vw,2.4rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 1rem}
  h2{font-size:1.32rem;line-height:1.3;letter-spacing:-.01em;margin:3rem 0 .6rem;scroll-margin-top:1rem}
  h3{font-size:1.05rem;margin:1.8rem 0 .4rem}
  .answer{font-size:1.08rem;color:var(--fg);margin:0 0 1rem}
  .lede{color:var(--muted);font-size:1.05rem;margin:0 0 2rem}
  p{margin:0 0 1rem}
  a{color:var(--accent)}
  form{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.5rem}
  input{flex:1 1 18rem;padding:.8rem .9rem;font-size:1rem;font-family:inherit;
    border:1px solid var(--line);border-radius:.5rem;background:var(--card);color:var(--fg)}
  input:focus{outline:2px solid var(--accent);outline-offset:1px}
  button{padding:.8rem 1.4rem;font-size:1rem;font-family:inherit;font-weight:600;border:0;
    border-radius:.5rem;background:var(--fg);color:var(--bg);cursor:pointer}
  button:disabled{opacity:.5;cursor:progress}
  .tool{border:1px solid var(--line);border-radius:.75rem;background:var(--card);padding:1.4rem;margin:2rem 0}
  .note{font-size:.85rem;color:var(--muted);margin-top:.75rem}
  table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.93rem;display:block;overflow-x:auto}
  th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--line);vertical-align:top}
  th{font-weight:600;color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
  blockquote{margin:1rem 0;padding:.75rem 1rem;border-left:3px solid var(--accent);
    background:var(--accent-bg);border-radius:0 .35rem .35rem 0;font-size:.95rem}
  .summary{border:1px solid var(--line);border-radius:.75rem;background:var(--card);padding:1.25rem 1.4rem;margin-bottom:1.5rem}
  .count{font-size:2.6rem;font-weight:700;letter-spacing:-.03em;line-height:1}
  .count.zero{color:var(--muted)} .count.some{color:var(--high)}
  .finding{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:.4rem;
    background:var(--card);padding:.9rem 1.1rem;margin-bottom:.7rem}
  .finding h3{margin:0 0 .35rem;font-size:1rem}
  .tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
    padding:.15rem .45rem;border-radius:.25rem;background:var(--accent-bg);color:var(--accent);margin-left:.4rem;vertical-align:middle}
  .excerpt{font-size:.9rem;color:var(--muted);background:var(--bg);border-radius:.3rem;
    padding:.5rem .65rem;margin:.5rem 0 0;overflow-x:auto;white-space:nowrap}
  .disclaimer{margin-top:2rem;padding:1rem 1.2rem;border:1px dashed var(--line);border-radius:.5rem;font-size:.85rem;color:var(--muted)}
  .err{color:var(--high)}
  footer{margin-top:4rem;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1.5rem}
  footer h2{font-size:1rem;margin-top:1.5rem}
  ol,ul{margin:0 0 1rem;padding-left:1.3rem}
  li{margin-bottom:.35rem}