:root{
    /* after the Mythos cover: deep marine-blue ground, foil gold, ivory */
    --bg:#0b2231; --bg2:#0f2a3d; --card:#14354c; --card2:#193f5a;
    --ink:#f2ecd9; --muted:#c2c3ab; --faint:#a3ad94;
    --gold:#d4ab5f; --gold2:#eecf8d; --line:#274a63; --wire:#5d7b93;
    --prim:#82b4cf; --tit:#cf9270; --oly:#d9b26a; --oth:#b2a0d9; --mort:#a9cf9b;
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
  /* class rules like .chips{display:flex} out-specify the UA [hidden] rule */
  [hidden]{display:none !important;}
  html,body{margin:0;padding:0;overflow-x:clip;}
  body{
    background:var(--bg);
    color:var(--ink);
    font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    padding-bottom:48px;
    overscroll-behavior-y:contain;
  }
  .wrap{max-width:680px;margin:0 auto;padding:0 14px;}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;}

  /* consistent focus everywhere, in the accent the design already uses */
  :where(button,input,[tabindex]):focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

  /* title block scrolls away; only the toolbar stays pinned */
  .masthead{padding-top:22px;text-align:center;}
  h1{
    font-family:Georgia,"Times New Roman",serif;
    font-size:27px;font-weight:600;margin:0 0 0 .42em;letter-spacing:.42em;
    text-transform:uppercase;color:var(--gold2);
  }
  h1 span{
    display:block;margin:3px 0 0 .18em;
    color:var(--faint);font-weight:400;font-style:normal;
    font-size:11px;letter-spacing:.34em;text-transform:uppercase;
  }
  /* the Greek-key rule off the cover framing */
  .meander{
    height:10px;width:min(240px,58%);margin:12px auto 8px;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='10'%3E%3Cpath d='M1 9 V1 H19 M6 9 H14 V5 H10 V4' fill='none' stroke='%23d4ab5f' stroke-width='1.4' opacity='.75'/%3E%3C/svg%3E");
    background-repeat:repeat-x;background-position:center;
  }
  .sub{color:var(--muted);font-size:12.5px;margin:4px 0 6px;}

  header{
    position:sticky;top:0;z-index:20;
    background:linear-gradient(180deg,var(--bg) 62%,rgba(11,34,49,0.96) 100%);
    padding:8px 0 8px;
    border-bottom:1px solid var(--line);
  }

  .search{
    width:100%;padding:11px 14px;border-radius:12px;
    background:var(--bg2);border:1px solid var(--line);
    color:var(--ink);font-size:16px;outline:none;
  }
  .search::placeholder{color:var(--faint);}
  .search:focus{border-color:var(--gold);}

  .chips{
    display:flex;gap:7px;align-items:center;overflow-x:auto;padding:8px 0 2px;
    -ms-overflow-style:none;scrollbar-width:none;
    mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent);
    -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent);
  }
  .chips::-webkit-scrollbar{display:none;}
  .clabel{
    flex:0 0 auto;position:sticky;left:0;z-index:1;
    background:var(--bg);min-width:38px;padding-right:4px;
    font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:var(--faint);
  }
  .chip{
    flex:0 0 auto;padding:8px 14px;border-radius:20px;
    background:var(--card);border:1px solid var(--line);
    color:var(--muted);font:inherit;font-size:13px;font-weight:500;white-space:nowrap;cursor:pointer;
    transition:all .12s;
  }
  .chip.on{background:var(--gold);border-color:var(--gold);color:#10202e;font-weight:600;}
  /* the default state should not look like an applied filter */
  .chip[data-f="all"].on{background:var(--card2);border-color:var(--faint);color:var(--ink);font-weight:500;}
  /* key the generation colours on the section headings themselves */
  .gdot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:9px;vertical-align:1px;flex:0 0 auto;}
  .gdot.p{background:var(--prim);}
  .gdot.t{background:var(--tit);}
  .gdot.o{background:var(--oly);}
  .gdot.x{background:var(--oth);}
  .gdot.m{background:var(--mort);}

  .gen{margin:22px 0 0;}
  .genhead{
    display:flex;align-items:center;gap:10px;
    padding:8px 2px;user-select:none;
  }
  .genhead h2{font-size:18px;margin:0;flex:1;}
  .genhead h2 button{
    background:none;border:0;padding:0;margin:0;cursor:pointer;
    font-family:Georgia,serif;font-size:18px;font-weight:600;color:var(--ink);
    display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  }
  .genhead .count{color:var(--faint);font-size:12px;font-weight:400;}
  .genhead .arw{color:var(--faint);font-size:13px;transition:transform .18s;}
  .gen.closed .arw{transform:rotate(-90deg);}
  .gen.closed .cards{display:none;}
  .blurb{color:var(--muted);font-size:12.5px;margin:-2px 2px 10px;font-style:italic;line-height:1.45;}

  .cards{display:flex;flex-direction:column;gap:8px;}
  .card{
    background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);
    border-radius:10px;padding:11px 13px;
    cursor:pointer;transition:border-color .12s;
  }
  .card:hover{border-color:var(--faint);}
  .card:active{background:var(--card2);}
  .card .top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;}
  .name{font-family:Georgia,serif;font-size:16.5px;font-weight:600;color:var(--ink);}
  button.name{background:none;border:0;padding:0;margin:0;cursor:pointer;text-align:left;}
  .star{color:var(--gold2);font-size:12px;letter-spacing:-1px;}
  .tag{
    font-size:11px;text-transform:uppercase;letter-spacing:.6px;
    color:var(--faint);border:1px solid var(--line);border-radius:5px;padding:1px 6px;
  }
  .pron{color:var(--faint);font-size:12px;font-style:italic;}
  .desc{color:var(--muted);font-size:13.5px;margin-top:4px;line-height:1.5;}
  .card .more{margin-left:auto;color:var(--faint);font-size:13px;flex:0 0 auto;display:inline-block;transition:transform .15s ease;}
  .card.open .more{transform:rotate(45deg);}

  .card.p{border-left-color:var(--prim);}
  .card.t{border-left-color:var(--tit);}
  .card.o{border-left-color:var(--oly);}
  .card.x{border-left-color:var(--oth);}
  .card.m{border-left-color:var(--mort);}

  /* detail panel — shared by list and sheet */
  .detail{
    margin-top:10px;padding-top:9px;border-top:1px solid var(--line);
    display:flex;flex-direction:column;gap:6px;cursor:default;
  }
  .rel{display:flex;gap:9px;align-items:baseline;}
  .rlabel{
    flex:0 0 72px;font-size:11px;text-transform:uppercase;letter-spacing:.6px;
    color:var(--faint);padding-top:3px;
  }
  .rnames{display:flex;flex-wrap:wrap;gap:5px;flex:1;align-items:baseline;}
  .rname{
    padding:3px 9px;border-radius:6px;font-family:Georgia,serif;font-size:13.5px;
    background:var(--card2);border:1px solid var(--line);color:var(--ink);
    cursor:pointer;font-weight:500;transition:all .12s;
  }
  .rname:hover{border-color:var(--gold);color:var(--gold2);}
  .rsep{color:var(--faint);font-size:12px;}
  .rflat{font-size:13.5px;color:var(--muted);}
  .rnote{flex:1;font-size:12.5px;color:var(--muted);font-style:italic;line-height:1.5;}

  @keyframes cardflash{from{background:var(--card2);box-shadow:0 0 0 1px var(--gold);}to{}}
  .card.flash{animation:cardflash 1.1s ease-out;}

  /* pressed feedback — hover does not exist on the primary platform */
  .chip:active,.vbtn:active,.zbtn:active,.rname:active,.sheetx:active{transform:scale(.96);}

  /* view toggle */
  .viewtog{display:flex;gap:6px;margin:0 0 8px;}
  .vbtn{
    flex:1;padding:8px 10px;border-radius:9px;
    background:var(--bg2);border:1px solid var(--line);
    color:var(--muted);font:inherit;font-size:13px;font-weight:500;cursor:pointer;
    transition:all .12s;
  }
  .vbtn.on{background:var(--card2);border-color:var(--gold);color:var(--gold2);}

  /* zoom controls */
  .zoom{display:flex;gap:5px;align-items:center;padding:8px 0 2px;overflow-x:auto;scrollbar-width:none;}
  .zoom::-webkit-scrollbar{display:none;}
  .zbtn{
    flex:0 0 auto;min-width:38px;padding:7px 10px;border-radius:8px;
    background:var(--card);border:1px solid var(--line);
    color:var(--muted);font:inherit;font-size:13px;cursor:pointer;
  }
  .zbtn:hover{border-color:var(--gold);color:var(--gold2);}
  .zbtn.wide{font-size:12px;}
  .zlevel{
    flex:0 0 auto;min-width:42px;text-align:center;
    color:var(--faint);font-size:12px;font-variant-numeric:tabular-nums;
  }

  /* chart area — full-bleed; each chart pans on its own */
  .orgpane{
    width:100vw;margin-left:calc(50% - 50vw);
    padding:18px 20px 8px;
  }
  .org{width:100%;}

  /* one chart per couple: parents on top, their children beneath */
  .uchart{
    border-radius:12px;
    padding:6px 4px 14px;
    overflow-x:auto;
    scrollbar-width:thin;scrollbar-color:var(--line) transparent;
    -webkit-overflow-scrolling:touch;
  }
  .uchart::-webkit-scrollbar{height:8px;}
  .uchart::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
  .ukids{
    display:flex;justify-content:center;position:relative;
    list-style:none;margin:0;padding:24px 0 0;min-width:max-content;
  }
  /* the drop from the couple down to the children's bar */
  .ukids::before{
    content:"";position:absolute;top:0;left:50%;
    width:0;height:24px;border-left:1px solid var(--wire);
  }
  .ukids > li{
    position:relative;padding:24px 7px 0;
    display:flex;flex-direction:column;align-items:center;
  }
  /* the two halves of the horizontal bar above each child */
  .ukids > li::before,.ukids > li::after{
    content:"";position:absolute;top:0;right:50%;
    width:50%;height:24px;border-top:1px solid var(--wire);
  }
  .ukids > li::after{right:auto;left:50%;border-left:1px solid var(--wire);}
  .ukids > li:first-child::before,.ukids > li:last-child::after{border:0;}
  .ukids > li:last-child::before{border-right:1px solid var(--wire);border-radius:0 6px 0 0;}
  .ukids > li:first-child::after{border-radius:6px 0 0 0;}
  /* an only child gets a straight drop — re-declare border-left because the
     last-child rule above zeroes it at equal specificity */
  .ukids > li:only-child::before{display:none;}
  .ukids > li:only-child::after{
    border-top:0;border-radius:0;right:auto;left:50%;width:0;
    border-left:1px solid var(--wire);
  }
  /* the root row of a chart hangs from nothing */
  .ukids.roots{padding-top:0;}
  .ukids.roots::before{display:none;}
  .ukids.roots > li{padding-top:0;}
  .ukids.roots > li::before,.ukids.roots > li::after{display:none;}

  .osection{
    font-family:Georgia,serif;font-size:18px;font-weight:600;
    margin:30px 0 2px;padding-top:20px;border-top:1px solid var(--line);
  }
  .org > .osection:first-child{margin-top:0;padding-top:0;border-top:0;}
  .osub{color:var(--muted);font-size:12.5px;font-style:italic;margin-bottom:6px;max-width:640px;}

  .onode{
    position:relative;width:118px;min-height:44px;
    display:flex;align-items:stretch;
    background:var(--card);border:1px solid var(--line);border-top:2px solid var(--gold);
    border-radius:8px;
  }
  .onode.p{border-top-color:var(--prim);}
  .onode.t{border-top-color:var(--tit);}
  .onode.o{border-top-color:var(--oly);}
  .onode.x{border-top-color:var(--oth);}
  .onode.m{border-top-color:var(--mort);}
  .onode.sel{border-color:var(--gold);background:var(--card2);}
  /* what a search matched, as against the family pulled in around it */
  .onode.hit{border-color:var(--faint);background:var(--card2);}
  .ohit{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
    background:none;border:0;padding:7px 6px;margin:0;
    font-family:inherit;color:inherit;cursor:pointer;text-align:center;
  }
  .ohit:active{background:var(--card2);}
  .ohit .name{font-size:13px;line-height:1.25;}
  .ohit .star{font-size:10px;}
  .owith{color:var(--faint);font-size:10px;font-style:italic;line-height:1.2;}
  .onode:hover{border-color:var(--faint);}
  .onode:hover .name{color:var(--gold2);}
  /* the truly parentless belong to no generation, so they wrap into a compact
     row under the tree rather than sitting on the top line */
  .orgloose{display:flex;flex-wrap:wrap;gap:9px;padding:14px 0 4px;justify-content:center;}

  @keyframes uflash{from{box-shadow:inset 0 0 0 1px var(--gold);background:var(--card2);}to{}}
  .uchart.flash{animation:uflash 1.1s ease-out;}

  /* centred detail dialog, used by the chart */
  .scrim{
    position:fixed;inset:0;z-index:35;
    background:rgba(3,10,17,.6);
  }
  .sheet{
    position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);
    width:min(560px,calc(100% - 28px));z-index:40;
    background:var(--bg2);border:1px solid var(--line);
    border-radius:14px;
    padding:16px 16px 18px;
    box-shadow:0 18px 50px rgba(0,0,0,.55);
    max-height:76vh;max-height:min(76dvh,640px);
    overflow-y:auto;overscroll-behavior:contain;
    scrollbar-width:thin;scrollbar-color:var(--line) transparent;
  }
  .sheetx{
    position:absolute;top:12px;right:14px;
    width:34px;height:34px;border-radius:17px;
    background:var(--card);border:1px solid var(--line);
    color:var(--muted);font:inherit;font-size:16px;line-height:1;cursor:pointer;
  }
  .sheetx::before{content:"";position:absolute;inset:-6px;}
  .sheetx:hover{border-color:var(--gold);color:var(--gold2);}
  .shead{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;padding-right:96px;}
  .shead .name{font-size:16.5px;}
  .snav{
    position:absolute;top:12px;right:56px;display:flex;gap:5px;
  }
  .snav .zbtn{min-width:34px;height:34px;padding:0;border-radius:17px;font-size:14px;}
  .sheet .desc{margin-top:5px;}
  .sheet .detail{border-top:1px solid var(--line);}
  body.orgmode{padding-bottom:0;}

  .empty{text-align:center;color:var(--faint);padding:40px 20px;font-style:italic;display:none;}
  .empty .rname{font-style:normal;}
  .legend{color:var(--muted);font-size:12.5px;margin:26px 2px 8px;line-height:1.6;border-top:1px solid var(--line);padding-top:14px;}
  .legend b{color:var(--gold2);}
  footer{text-align:center;color:var(--faint);font-size:11px;margin-top:18px;line-height:1.6;}
  footer .meander{opacity:.5;margin-bottom:12px;}

  @media (max-width:428px){
    .masthead{padding-top:12px;}
    header{padding:6px 0;}
    .viewtog{margin-bottom:6px;}
    .chips{padding:6px 0 2px;}
    .search{padding:9px 12px;}
  }

  @media (prefers-reduced-motion: reduce){
    .flash,.uchart.flash,.card.flash{animation:none;}
    .arw,.chip,.vbtn,.card,.rname,.card .more{transition:none;}
  }

  @media print{
    body{background:#fff;color:#000;padding:0;}
    .masthead{padding:0;}
    h1,h1 span{color:#000;}
    header,.sheet,.empty,footer,.sub{display:none !important;}
    .legend{color:#333;border-color:#bbb;}
    .osection,.genhead h2 button{color:#000;}
    .osub,.blurb,.desc,.rnote,.rflat{color:#444;}
    .gen.closed .cards{display:flex;}
    .card,.onode{background:#fff;border-color:#999;color:#000;break-inside:avoid;}
    .name,.ohit .name{color:#000;}
    .owith,.pron,.tag,.rlabel,.clabel,.count{color:#555;border-color:#bbb;}
    .star{color:#8a6d1d;}
    .rname{background:#f2f2f2;border-color:#999;color:#000;}
    .uchart{overflow:visible;break-inside:avoid;padding-bottom:12px;}
    .ujoin{border-color:#666;}
    .ukids::before,.ukids > li::before,.ukids > li::after{border-color:#666;}
    .orgpane{width:100%;margin:0;padding:0;}
  }