/* Shared style for Bible Study chapter pages (parchment study theme). */
  /* Layout: sticky left nav toggling two chapter panels; single reading column of
     ref → intro → diagram → caption. Parchment ground, indigo deep, gold "light". */
  :root {
    --bg: #f4efe4;
    --panel: #fbf8f0;
    --fg: #241f18;
    --muted: #6a6052;
    --line: #d8cfba;
    --gold: #c08a2d;
    --gold-soft: #e9c874;
    --deep: #1d2a44;
    --deep-2: #2f4268;
    --water: #3f6b8f;
    --water-soft: #7fa8c4;
    --earth: #7a5a36;
    --fire: #b4532a;
    --crystal: #cfe6ef;
    --good: #4a7a4a;
    --warn: #9a7b2e;
    --navbg: #efe8d8;
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #14110c; --panel: #1d1a13; --fg: #ece4d2; --muted: #a39780; --line: #342e22;
      --gold: #e2b24e; --gold-soft: #f0d58a; --deep: #0d1526; --deep-2: #1b2a40;
      --water: #4e7ea3; --water-soft: #93b8d2; --earth: #9a7446; --fire: #d2663a;
      --crystal: #bfe0ec; --good: #6fa86f; --warn: #cfa94e; --navbg: #1a160f;
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --bg: #14110c; --panel: #1d1a13; --fg: #ece4d2; --muted: #a39780; --line: #342e22;
    --gold: #e2b24e; --gold-soft: #f0d58a; --deep: #0d1526; --deep-2: #1b2a40;
    --water: #4e7ea3; --water-soft: #93b8d2; --earth: #9a7446; --fire: #d2663a;
    --crystal: #bfe0ec; --good: #6fa86f; --warn: #cfa94e; --navbg: #1a160f;
    color-scheme: dark;
  }

  body { background: var(--bg); color: var(--fg); font-family: Spectral, Georgia, serif; line-height: 1.6; margin: 0; }

  .shell { max-width: 1040px; margin: 0 auto; display: flex; gap: 2rem; align-items: flex-start; padding-inline: 20px; }

  /* ---- Sidebar ---- */
  .sidebar { position: sticky; top: env(safe-area-inset-top, 0px); flex: none; width: 212px; padding-block: 2.2rem; align-self: flex-start; }
  .brand { font-family: 'Cormorant Garamond', serif; font-weight: 600; font-size: 1.5rem; line-height: 1.05; margin: 0 0 1.2rem; }
  .brand small { display: block; font-family: 'IBM Plex Mono', monospace; font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin-top: .35rem; }
  .chaptabs { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1.1rem; }
  .chaptab { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; font-weight: 600; text-align: left; background: var(--navbg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .7rem; cursor: pointer; transition: all .15s; }
  .chaptab[aria-selected="true"] { background: var(--gold); color: #1d1a13; border-color: var(--gold); }
  .chaptab:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
  .jump { list-style: none; margin: 0; padding: 0 0 0 .2rem; display: flex; flex-direction: column; gap: .15rem; border-left: 1px solid var(--line); }
  .jump a { display: block; font-size: .82rem; color: var(--muted); text-decoration: none; padding: .28rem .6rem; border-left: 2px solid transparent; margin-left: -1px; line-height: 1.25; }
  .jump a:hover { color: var(--fg); }
  .jump a.active { color: var(--gold); border-left-color: var(--gold); font-weight: 600; }
  .jump .num { font-family: 'IBM Plex Mono', monospace; font-size: .7rem; color: var(--gold); margin-right: .35rem; }

  /* ---- Content ---- */
  .content { flex: 1 1 auto; min-width: 0; padding-block: 2.4rem 4rem; max-width: 760px; }
  header.page { margin-bottom: 1.4rem; }
  .eyebrow { font-family: 'IBM Plex Mono', monospace; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin: 0 0 .5rem; }
  h1 { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 600; font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.05; text-wrap: balance; margin: 0 0 .4rem; }
  .sub { color: var(--muted); font-size: 1.02rem; max-width: 60ch; margin: 0; }

  /* --gold-soft stays a light bar in both schemes; --fg turns cream in dark mode, so the label is ink. */
  .chapter-head { font-family: 'IBM Plex Mono', monospace; font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: #1d1a13; background: var(--gold-soft); display: inline-block; padding: .4rem .75rem; border-radius: 6px; margin: 1.6rem 0 .3rem; }
  .chapter-head.two { background: var(--deep); color: var(--gold-soft); }
  .chapter-sub { color: var(--muted); font-style: italic; margin: 0 0 .5rem; max-width: 62ch; }

  h2 { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 600; font-size: clamp(1.5rem, 3.6vw, 1.95rem); margin: 2.3rem 0 .25rem; text-wrap: balance; scroll-margin-top: 90px; }
  h2 .n { font-family: 'IBM Plex Mono', monospace; font-size: .8rem; color: var(--gold); margin-right: .5rem; vertical-align: middle; }
  .ref { font-family: 'IBM Plex Mono', monospace; font-size: .73rem; letter-spacing: .03em; color: var(--gold); margin: 0 0 1rem; }
  p { max-width: 64ch; }
  .lead { max-width: 64ch; }

  figure { margin: 1.3rem 0 .6rem; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem; overflow-x: auto; }
  figure svg { display: block; width: 100%; height: auto; max-width: 100%; }
  figcaption { font-size: .85rem; color: var(--muted); margin-top: .7rem; padding-top: .7rem; border-top: 1px solid var(--line); max-width: none; }
  figcaption b { color: var(--fg); }
  .svg-title { font-family: 'Cormorant Garamond', serif; }
  .svg-label { font-family: Spectral, serif; }
  .svg-mono { font-family: 'IBM Plex Mono', monospace; letter-spacing: .02em; }

  .legend { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; font-size: .8rem; color: var(--muted); margin-top: .8rem; }
  .legend span { display: inline-flex; align-items: center; gap: .4rem; }
  .sw { width: 14px; height: 14px; border-radius: 3px; flex: none; border: 1px solid rgba(0,0,0,.15); }

  hr { border: none; border-top: 1px solid var(--line); margin: 2.4rem 0; }
  footer { margin-top: 3rem; color: var(--muted); font-size: .85rem; }

  /* ---- Mobile ---- */
  @media (max-width: 720px) {
    .shell { flex-direction: column; gap: 0; }
    .sidebar { position: sticky; top: 0; width: auto; padding-block: .7rem; background: var(--bg); z-index: 20; border-bottom: 1px solid var(--line); margin-inline: -20px; padding-inline: 20px; }
    .brand { display: none; }
    .chaptabs { flex-direction: row; gap: .5rem; margin-bottom: 0; }
    .chaptab { flex: 1; text-align: center; font-size: 1rem; padding: .45rem; }
    .jump { display: none; }
    .content { padding-block: 1.4rem 3rem; align-self: stretch; width: 100%; }
    h2 { scroll-margin-top: 70px; }
  }

/* page-level: keep the site bar's look independent of the parchment study theme */
.ck-bar a{text-decoration:none}
/* chapter pages: chapter switcher links (were buttons) and prev/next nav */
a.chaptab{display:block;text-decoration:none}
a.chaptab[aria-current="page"]{background:var(--gold);color:#1d1a13;border-color:var(--gold)}
.booklink{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-decoration:none;margin:0 0 .8rem}
.booklink:hover{color:var(--gold)}
.chapnav{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin:2.6rem 0 0;padding-top:1.2rem;border-top:1px solid var(--line)}
.chapnav a{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:1.15rem;color:var(--fg);text-decoration:none;border:1px solid var(--line);background:var(--navbg);border-radius:8px;padding:.5rem .9rem}
.chapnav a:hover{border-color:var(--gold)}
@media (max-width: 720px){ .booklink{display:none} }

/* mobile: full-width chapter row that scrolls sideways once there are many chapters */
@media (max-width: 720px){
  .sidebar{align-self:stretch}
  .chaptabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .chaptab{flex:1 0 auto;white-space:nowrap;min-width:6.5rem}
}

/* ---- Key points (numbered, in verse order) + highlighted KJV cross-reference callouts ---- */
.kp-set{margin:1.7rem 0 .4rem}
.kp-h{display:flex;align-items:center;gap:.7rem;font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin:0 0 .2rem;max-width:none}
.kp-h::after{content:"";flex:1;height:1px;background:var(--line)}
.kp-item{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:10px;padding:1rem 1.15rem 1.1rem;margin:.9rem 0;scroll-margin-top:90px}
.kp-item h3{font-family:'Cormorant Garamond',Georgia,serif;font-weight:600;font-size:clamp(1.25rem,3vw,1.45rem);line-height:1.15;margin:.45rem 0 .35rem;text-wrap:balance}
.kp-item > p{margin:.4rem 0}
.kp-item figure{margin:.9rem 0 .2rem;background:var(--bg)}
.tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;border-radius:5px;padding:.12rem .5rem;border:1px solid}
.tag.t{color:var(--good);border-color:var(--good);background:color-mix(in srgb,var(--good) 12%,transparent)}
.tag.r{color:var(--warn);border-color:var(--gold);background:color-mix(in srgb,var(--gold-soft) 22%,transparent)}
.tag.y{color:var(--fire);border-color:var(--fire);background:color-mix(in srgb,var(--fire) 10%,transparent)}
.xrefs{display:grid;gap:.6rem;margin-top:.8rem}
.xref{margin:0;padding:.7rem .95rem .75rem;background:color-mix(in srgb,var(--gold-soft) 26%,var(--panel));border:1px solid color-mix(in srgb,var(--gold) 40%,transparent);border-left:5px solid var(--gold);border-radius:8px}
.xref.g{background:color-mix(in srgb,var(--water-soft) 16%,var(--panel));border-color:color-mix(in srgb,var(--water) 35%,transparent);border-left-color:var(--water)}
.xref-ref{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-family:'IBM Plex Mono',monospace;font-size:.78rem;font-weight:500;letter-spacing:.04em;color:var(--fg);margin:0 0 .3rem;max-width:none}
.xref-k{font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;background:var(--gold);color:#1d1a13;border-radius:4px;padding:.1rem .4rem}
.xref.g .xref-k{background:var(--water);color:#fff}
.kjv-tag{font-size:.58rem;letter-spacing:.12em;color:var(--muted)}
.xref-t{margin:0;font-family:Spectral,Georgia,serif;font-style:italic;line-height:1.6;max-width:none}
.xonly .xrefs{margin-top:.6rem}
.taglegend{display:flex;flex-wrap:wrap;gap:.4rem 1rem;align-items:center;font-size:.85rem;color:var(--muted);margin:.8rem 0 0;max-width:none}
.swipe{display:none}
@media (max-width:720px){
  .kp-item{padding:.85rem .85rem 1rem}
  .xref{padding:.6rem .75rem}
  .kp-item figure{padding:.6rem;margin-inline:-.35rem}
  .kp-item figure svg{min-width:560px}
  .kp-item figure .swipe{display:block;font-family:'IBM Plex Mono',monospace;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .4rem;position:sticky;left:0}
}

/* Key points read as part of the page flow, not as competing callout boxes */
.kp-set{counter-reset:kp}
.kp-item{counter-increment:kp;background:none;border:0;border-top:1px solid var(--line);border-radius:0;padding:.9rem 0 .4rem;margin:0}
.kp-item:first-of-type{border-top:0}
.kp-item h3::before{content:counter(kp) ". ";color:var(--gold);font-weight:700}
.kp-h a.bg-ref{color:inherit}
@media (max-width:640px){.kp-item{padding:.85rem 0 .9rem}}

.kp-take{margin:.45rem 0 .2rem;padding:.55rem .8rem;border-left:3px solid var(--gold);border-radius:0 8px 8px 0;font-size:.95rem}.kp-take b{color:inherit}

/* Expandable context: ink on the gold pill in both color schemes. */
.ctx{margin:1rem 0 1.15rem}
.ctx>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.45rem;font:600 .78rem/1 'IBM Plex Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:#1d1a13;background:var(--gold);border-radius:999px;padding:.7rem 1.1rem}
.ctx>summary::-webkit-details-marker{display:none}
.ctx>summary::marker{content:""}
.ctx>summary::after{content:"\2192"}
.ctx[open]>summary::after{content:"\2193"}
.ctx>summary:focus-visible{outline:2px solid var(--fg);outline-offset:3px}
.ctx-body{margin-top:.85rem;padding:.15rem 0 .2rem 1rem;border-left:3px solid var(--gold)}
.ctx-body p,.ctx-body li{margin:.55rem 0;max-width:64ch}
.ctx-body ul{margin:.35rem 0 .5rem;padding:0 0 0 1.15rem}
.ctx-body li b{font-weight:600}
.heavens{margin:1.2rem 0 .2rem}
.heavens h3{font-family:'Cormorant Garamond',Georgia,serif;font-weight:600;font-size:clamp(1.25rem,3vw,1.45rem);margin:0 0 .35rem}
.heavens ul{margin:.35rem 0 .7rem;padding:0 0 0 1.15rem}
.heavens li{margin:.55rem 0;max-width:64ch}