/* ============================================================
     TOKENS
     Palette: night-almanac. Deep indigo void, bone parchment for
     data, silver moon, and a single copper-eclipse accent (the
     "blood moon" — the same phenomenon the AD 33 argument leans on).
     ============================================================ */
  :root{
    --void:#0a0e1a; --void2:#0d1322;
    --panel:#141c31; --panel2:#1b2643; --line:#2a3653;
    --bone:#e9e3d2; --bone-dim:#b7b2a3;
    --moon:#d3d9e6; --slate:#7a8399;
    --copper:#c8583a; --copper-dim:#94402c;
    --gold:#c9a24b;
    --spring:#4f7d5e; --summer:#c9a24b; --autumn:#b0653a; --winter:#4a6a93;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0; background:
      radial-gradient(1200px 700px at 70% -10%, #16203a 0%, transparent 55%),
      radial-gradient(900px 600px at 10% 110%, #12182b 0%, transparent 50%),
      var(--void);
    color:var(--bone); font-family:var(--sans);
    line-height:1.55; letter-spacing:.01em;
    background-attachment:fixed;
  }
  .wrap{max-width:1120px; margin:0 auto; padding:clamp(20px,4vw,56px) clamp(16px,4vw,40px) 90px}

  /* ---- masthead ---- */
  header.mast{display:grid; gap:14px; margin-bottom:36px}
  .eyebrow{font-family:var(--mono); font-size:12px; letter-spacing:.28em; text-transform:uppercase; color:var(--copper)}
  h1{font-family:var(--serif); font-weight:600; font-size:clamp(34px,7vw,68px);
     line-height:.98; margin:0; letter-spacing:-.015em; color:var(--bone)}
  h1 em{font-style:italic; color:var(--moon)}
  .dek{max-width:64ch; color:var(--bone-dim); font-size:clamp(15px,1.6vw,18px)}
  .dek b{color:var(--bone); font-weight:600}

  /* ---- the instrument ---- */
  .instrument{
    display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:28px;
    align-items:start; margin:14px 0 8px;
  }
  @media(max-width:860px){ .instrument{grid-template-columns:1fr} }
  .dial-card{
    background:linear-gradient(180deg,var(--panel) 0%, var(--void2) 100%);
    border:1px solid var(--line); border-radius:16px; padding:10px;
    position:relative; overflow:hidden;
  }
  svg#dial{display:block; width:100%; height:auto}

  .panel{
    background:linear-gradient(180deg,var(--panel) 0%, var(--panel2) 100%);
    border:1px solid var(--line); border-radius:14px; padding:18px 18px 16px;
  }
  /* .panel-title is a live UI label, not a document section, so it is a <p>:
     putting an <h2> here broke the heading outline (h1 > h2-label > h3-section). */
  .panel h2, .panel .panel-title{font-family:var(--serif); font-weight:600; font-size:20px; margin:.1em 0 .5em}
  .readout{font-family:var(--mono); font-size:13px; display:grid; gap:7px; margin:2px 0 4px}
  .readout .row{display:flex; justify-content:space-between; gap:10px; border-bottom:1px dotted var(--line); padding-bottom:6px}
  .readout .row:last-child{border-bottom:0}
  .readout .k{color:var(--slate)}
  .readout .v{color:var(--bone); text-align:right}
  .readout .v.hot{color:var(--copper)}
  .readout .v.gold{color:var(--gold)}

  /* ---- controls ---- */
  .controls{display:grid; gap:14px; margin-top:16px}
  .segwrap{display:flex; gap:8px; flex-wrap:wrap}
  button.seg,.btn{
    font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase;
    color:var(--bone-dim); background:var(--panel2); border:1px solid var(--line);
    padding:9px 14px; border-radius:8px; cursor:pointer; transition:.15s;
  }
  button.seg[aria-pressed="true"]{color:var(--void); background:var(--bone); border-color:var(--bone); font-weight:600}
  button.seg:hover,.btn:hover{border-color:var(--copper); color:var(--bone)}
  .btn.play{background:var(--copper); color:#fff; border-color:var(--copper); font-weight:600}
  .btn.play:hover{background:#d5673f}
  .sliderrow{display:grid; gap:6px}
  .sliderrow label{font-family:var(--mono); font-size:12px; color:var(--slate); display:flex; justify-content:space-between}
  input[type=range]{width:100%; accent-color:var(--copper)}
  .hint{font-size:12.5px; color:var(--slate); line-height:1.5}
  .hint--boxed{padding:12px 14px; margin:0; border-bottom:1px solid var(--line); background:var(--panel)}

  /* ---- section rhythm ---- */
  section.block{margin-top:64px}
  .kicker{font-family:var(--mono); font-size:12px; letter-spacing:.24em; text-transform:uppercase; color:var(--copper); margin-bottom:10px}
  h2.head, h3.head{font-family:var(--serif); font-weight:600; font-size:clamp(24px,3.4vw,34px); margin:0 0 12px; letter-spacing:-.01em}
  p.lead{color:var(--bone-dim); max-width:70ch; margin:.2em 0 1em}

  /* ---- the hunt ---- */
  .hunt{display:grid; grid-template-columns:300px minmax(0,1fr); gap:24px; align-items:start}
  @media(max-width:820px){ .hunt{grid-template-columns:1fr} }
  .hunt .inputs{display:grid; gap:16px}
  .field{display:grid; gap:6px}
  .field label{font-family:var(--mono); font-size:12px; letter-spacing:.06em; color:var(--slate); text-transform:uppercase}
  select,input[type=number]{
    font-family:var(--mono); font-size:14px; color:var(--bone); background:var(--void2);
    border:1px solid var(--line); border-radius:8px; padding:9px 10px; width:100%;
  }
  .results{border:1px solid var(--line); border-radius:14px; overflow:hidden}
  table{border-collapse:collapse; width:100%; font-family:var(--mono); font-size:13.5px}
  thead th{background:var(--panel2); color:var(--slate); text-align:left; padding:11px 14px; font-weight:500; letter-spacing:.05em; font-size:12px; text-transform:uppercase}
  tbody td{padding:11px 14px; border-top:1px solid var(--line); color:var(--bone-dim)}
  tbody tr.match td{color:var(--bone)}
  tbody tr.match td .yr{color:var(--copper); font-weight:600}
  .tag{display:inline-block; font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; padding:2px 7px; border-radius:5px; border:1px solid; margin-left:8px; vertical-align:middle}
  .tag.match{color:var(--copper); border-color:var(--copper-dim); background:rgba(200,88,58,.08)}
  .tag.eclipse{color:var(--gold); border-color:#5c4a1f; background:rgba(201,162,75,.08)}

  /* ---- epistemics ---- */
  .warnbar{
    border:1px solid var(--copper-dim); border-left:3px solid var(--copper);
    background:linear-gradient(180deg, rgba(200,88,58,.10), rgba(200,88,58,.03));
    border-radius:10px; padding:16px 18px; margin:18px 0; color:var(--bone-dim); font-size:14px; max-width:78ch
  }
  .warnbar b{color:var(--bone)}
  /* spacing-only modifiers — these exist so no style="" attribute is needed,
     which is what lets script-src/style-src stay free of 'unsafe-inline'. */
  .warnbar--spaced{margin-top:26px}
  .cols{display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:8px}
  @media(max-width:760px){ .cols{grid-template-columns:1fr} }
  .note{border:1px solid var(--line); border-radius:12px; padding:16px 18px; background:var(--panel)}
  .note h3, .note h4{font-family:var(--serif); font-size:17px; margin:.1em 0 .4em; color:var(--bone)}
  .note p{margin:.3em 0; font-size:13.5px; color:var(--bone-dim)}
  .refs{font-family:var(--mono); font-size:12.5px; color:var(--slate); line-height:1.7; margin-top:10px}
  .refs b{color:var(--bone-dim); font-weight:500}
  footer{margin-top:70px; padding-top:22px; border-top:1px solid var(--line); color:var(--slate); font-size:12.5px; font-family:var(--mono)}
  a{color:var(--copper)}
  @media(prefers-reduced-motion:reduce){ *{scroll-behavior:auto} }

  /* ============================================================
     SITE CHROME — added when the single page became a site.
     Nav, article typography, and data tables for the research
     pages. Same night-almanac palette; nothing new in :root.
     ============================================================ */

  /* ---- focus: one visible ring everywhere, keyboard-only ---- */
  :focus-visible{
    outline:2px solid var(--gold); outline-offset:2px; border-radius:4px;
  }
  .skip{
    position:absolute; left:-9999px; top:0; z-index:100;
    background:var(--panel2); color:var(--bone); padding:10px 16px;
    border:1px solid var(--gold); border-radius:0 0 8px 0; font-size:14px;
  }
  .skip:focus{left:0}

  /* ---- primary nav ---- */
  .sitenav{
    border-bottom:1px solid var(--line);
    background:rgba(10,14,26,.72);
    position:sticky; top:0; z-index:50;
    backdrop-filter:blur(8px);
  }
  .sitenav-inner{
    max-width:1120px; margin:0 auto;
    padding:0 clamp(16px,4vw,40px);
    display:flex; align-items:center; gap:clamp(12px,3vw,32px);
    flex-wrap:wrap; min-height:56px;
  }
  .brandmark{
    font-family:var(--serif); font-size:19px; color:var(--bone);
    text-decoration:none; white-space:nowrap; padding:6px 0;
  }
  .brandmark em{font-style:italic; color:var(--moon)}
  .sitenav ul{
    list-style:none; display:flex; flex-wrap:wrap;
    gap:clamp(8px,2vw,22px); margin:0; padding:0;
  }
  .sitenav a:not(.brandmark){
    display:inline-block; padding:8px 2px;
    font-size:13.5px; color:var(--bone-dim); text-decoration:none;
    border-bottom:2px solid transparent;
  }
  .sitenav a:not(.brandmark):hover{color:var(--bone)}
  .sitenav a[aria-current="page"]{
    color:var(--bone); border-bottom-color:var(--copper);
  }

  /* ---- long-form article typography ---- */
  .prose{max-width:74ch}
  .prose h1.head{margin-bottom:14px}
  .prose h2{
    font-family:var(--serif); font-weight:600;
    font-size:clamp(21px,2.6vw,27px); color:var(--bone);
    margin:44px 0 12px; letter-spacing:-.01em;
  }
  .prose p{color:var(--bone-dim); margin:0 0 16px}
  .prose p b, .prose li b{color:var(--bone); font-weight:600}
  .prose ul, .prose ol{color:var(--bone-dim); padding-left:22px; margin:0 0 18px}
  .prose li{margin-bottom:9px}
  .prose ol.steps li{margin-bottom:12px}
  .prose .cols{margin:22px 0}

  /* ---- citation blocks ---- */
  .cite{
    font-family:var(--mono); font-size:12.5px; line-height:1.7;
    color:var(--slate); border-left:2px solid var(--line);
    padding:10px 0 10px 16px; margin:20px 0 26px;
  }
  .cite em{color:var(--bone-dim)}
  .cite b{color:var(--bone-dim); font-weight:500}

  /* ---- bibliography ---- */
  ul.bib{list-style:none; padding:0}
  ul.bib li{
    padding:14px 0; border-bottom:1px solid var(--line);
    color:var(--bone-dim); font-size:14.5px;
  }
  ul.bib li:last-child{border-bottom:none}
  .ann{display:block; margin-top:6px; color:var(--slate); font-size:13px}

  /* ---- data tables on research pages ---- */
  .tablewrap{overflow-x:auto; margin:18px 0 24px}
  table.datatable{
    width:100%; border-collapse:collapse; font-size:14px;
    font-family:var(--mono); min-width:380px;
  }
  table.datatable th{
    text-align:left; font-weight:500; color:var(--slate);
    font-size:11.5px; letter-spacing:.14em; text-transform:uppercase;
    padding:8px 12px; border-bottom:1px solid var(--line);
  }
  table.datatable td{
    padding:9px 12px; border-bottom:1px solid var(--line); color:var(--bone-dim);
  }
  table.datatable tr.hilite td{
    background:rgba(200,88,58,.10); color:var(--bone);
  }
  table.datatable td.none{color:var(--slate); font-style:italic}
  .tagline{
    font-family:var(--sans); font-size:11px; color:var(--copper);
    letter-spacing:.06em; margin-left:8px; text-transform:uppercase;
  }

  /* ---- forward links ---- */
  .more{margin-top:14px; font-size:14px}
  .more a{text-decoration:none; border-bottom:1px solid var(--copper-dim)}
  .more a:hover{border-bottom-color:var(--copper)}
  .note .more{margin-top:10px; font-size:13px}
  .footlinks{margin-top:12px}

  /* ---- Q&A ---- */
  .qa{border-top:1px solid var(--line); padding-top:20px; margin-top:26px}
  .qa:first-of-type{border-top:none}
  .qa h2{margin-top:0; font-size:clamp(19px,2.3vw,24px)}
  .qa p{max-width:72ch}

  /* ---- robustness sweep ---- */
  .sweepui{display:grid; grid-template-columns:260px minmax(0,1fr); gap:26px; align-items:start; margin:20px 0 10px}
  @media(max-width:820px){ .sweepui{grid-template-columns:1fr} }
  .sweep-controls{display:grid; gap:14px}
  .sweep-controls .btn{width:100%}
  .sweep-results{display:grid; gap:18px; min-width:0}
  .bars{display:grid; gap:9px}
  .bar-row{display:grid; grid-template-columns:64px minmax(0,1fr) 56px; align-items:center; gap:12px}
  .bar-label{font-family:var(--mono); font-size:13px; color:var(--bone)}
  .bar-track{background:var(--panel2); border:1px solid var(--line); border-radius:6px; height:22px; overflow:hidden}
  .bar-fill{display:block; height:100%; background:linear-gradient(90deg,var(--copper-dim),var(--copper))}
  .bar-val{font-family:var(--mono); font-size:12.5px; color:var(--bone-dim); text-align:right}

  /* ---- narrow screens: down to 360px ---- */
  @media(max-width:560px){
    .sitenav-inner{padding-top:6px; padding-bottom:6px}
    .sitenav ul{gap:6px 14px}
    .sitenav a:not(.brandmark){font-size:13px}
    .prose h2{margin-top:34px}
    table.datatable{font-size:13px}
    table.datatable th, table.datatable td{padding:8px}
  }
  @media(prefers-reduced-motion:reduce){
    .sitenav{backdrop-filter:none; background:var(--void)}
  }