@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,400&display=swap');

:root {
  --paper: #e9e3d3;
  --paper-raised: #f2ede1;
  --ink: #211f1a;
  --ink-soft: #514c42;
  --ink-faint: #86806f;
  --rule: #b7ac91;
  --rule-strong: #948a6d;
  --accent: #33422c;
  --accent-soft: #52623f;
  --accent-contrast: #f3efe1;
  --rubric: #7a2a1d;
  --control-hover: #ddd5c0;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;

  --measure: 40rem;
  --toc-width: 19rem;
}

[data-theme="dark"] {
  --paper: #1a1713;
  --paper-raised: #262119;
  --ink: #e8e1cf;
  --ink-soft: #c1b8a2;
  --ink-faint: #8c8570;
  --rule: #423c2d;
  --rule-strong: #5a5240;
  --accent: #93b47c;
  --accent-soft: #a9c797;
  --accent-contrast: #14150f;
  --rubric: #d98a74;
  --control-hover: #332d20;
}

html { color-scheme: light; scroll-padding-top: 7rem; }
[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
a:hover { color: var(--accent-soft); }

/* ---------------------------------------------------------------- top bar */

.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  flex-wrap: wrap;
  padding: 0.8rem 1.5rem;
}

.bar__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}
.bar__title span { color: var(--accent); font-style: italic; font-weight: 500; }

.bar__controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.view-toggle {
  display: inline-flex;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  overflow: hidden;
}
.view-toggle button {
  font-family: var(--font-body);
  font-size: 0.88rem;
  background: var(--paper-raised);
  color: var(--ink-soft);
  border: none;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
}
.view-toggle button + button { border-left: 1px solid var(--rule-strong); }
.view-toggle button[aria-pressed="true"] { background: var(--accent); color: var(--accent-contrast); }
.view-toggle button:hover:not([aria-pressed="true"]) { background: var(--control-hover); }

.btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--paper-raised);
  color: var(--ink-soft);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  padding: 0.42rem 0.8rem;
  cursor: pointer;
}
.btn:hover { background: var(--control-hover); }
.btn--toc[aria-expanded="true"] { background: var(--control-hover); color: var(--ink); }

/* column labels, shown only side by side */
.col-labels {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 2.6rem;
  padding: 0 1.5rem 0.45rem;
  margin-left: var(--toc-width);
}
.col-label { margin: 0; font-size: 0.78rem; font-style: italic; color: var(--ink-faint); }
html:not([data-view]) .col-labels,
[data-view="parallel"] .col-labels { display: grid; }
.toc-hidden .col-labels { margin-left: 0; }

/* ---------------------------------------------------------------- layout */

.layout {
  display: grid;
  grid-template-columns: var(--toc-width) minmax(0, 1fr);
  align-items: start;
}
.toc-hidden .layout { grid-template-columns: minmax(0, 1fr); }
.toc { order: -1; }

.book {
  padding: 2rem 1.5rem 6rem;
  min-width: 0;
  outline: none;
}

.loading { color: var(--ink-faint); font-style: italic; }

/* ---------------------------------------------------------------- the text */

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2.6rem;
  max-width: 78rem;
  margin: 0 auto;
}

/* single-column views */
[data-view="original"] .row,
[data-view="modern"] .row {
  grid-template-columns: 1fr;
  max-width: var(--measure);
}
[data-view="original"] .row > .l,
[data-view="modern"] .row > .o { display: none; }

/* side by side: identical headings span both columns */
html:not([data-view]) .row--h.row--same > .l,
[data-view="parallel"] .row--h.row--same > .l { display: none; }
html:not([data-view]) .row--h.row--same > .o,
[data-view="parallel"] .row--h.row--same > .o { grid-column: 1 / -1; }

.row p, .row div { margin: 0 0 1rem; }
.row > .o, .row > .l { min-width: 0; }

/* original column gets a quiet rule when shown side by side */
html:not([data-view]) .row:not(.row--h) > .o,
[data-view="parallel"] .row:not(.row--h) > .o {
  padding-left: 0.9rem;
  border-left: 2px solid var(--rule);
}

/* headings */
.row--h h1, .row--h h2, .row--h h3, .row--h h4, .row--h h5 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.25;
  margin: 0;
}
.row--h1 { margin-top: 1rem; }
.row--h1 h1 {
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.8rem);
  text-align: center;
  padding-bottom: 1.2rem;
}
.row--h2 {
  margin-top: 3.5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--rule);
}
.row--h2 h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  font-weight: 600;
  text-align: center;
  padding-bottom: 1.4rem;
}
.row--h3 { margin-top: 1.8rem; }
.row--h3 h3 {
  font-size: 1.15rem;
  font-variant: small-caps;
  letter-spacing: 0.03em;
  text-align: center;
  color: var(--ink);
  padding-bottom: 0.8rem;
}
.row--h4 { margin-top: 1.2rem; }
.row--h4 h4 {
  font-size: 1rem;
  font-style: italic;
  color: var(--ink-soft);
  text-align: center;
  padding-bottom: 0.6rem;
}
.row--h + .row--h { margin-top: 0.3rem; padding-top: 0; border-top: 0; }

/* rubrics, verse, notes */
.rubric { color: var(--rubric); font-size: 0.95rem; }
.rubric em { font-style: italic; }
.verse { padding-left: 1.5rem; }
.psalm-verse { text-indent: -1.1rem; padding-left: 1.1rem; }
.footnote { font-size: 0.88rem; color: var(--ink-soft); }
.fnmark { color: var(--accent); }
.fnref a { text-decoration: none; font-weight: 600; }
.boxed {
  border: 1px solid var(--rule-strong);
  padding: 0.9rem 1rem 0.1rem;
  background: var(--paper-raised);
}
.list ul { margin: 0 0 1rem; padding-left: 1.3rem; }
.list li { margin: 0.1rem 0; }
.table table { border-collapse: collapse; margin: 0 auto 1rem; font-size: 0.95rem; }
.table th, .table td { padding: 0.25rem 0.9rem; border-bottom: 1px solid var(--rule); text-align: left; }
.table th { font-weight: 600; }
hr.rule { border: 0; border-top: 1px solid var(--rule); max-width: 10rem; margin: 3rem auto; }

.colophon {
  max-width: var(--measure);
  margin: 4rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.86rem;
  color: var(--ink-faint);
}

/* ---------------------------------------------------------------- contents panel (right) */

.toc {
  position: sticky;
  top: var(--bar-h, 4.5rem);
  height: calc(100vh - var(--bar-h, 4.5rem));
  overflow-y: auto;
  border-right: 1px solid var(--rule);
  padding: 1.2rem 1rem 3rem 1.1rem;
  font-size: 0.9rem;
  background: var(--paper);
}
.toc-hidden .toc { display: none; }

.toc__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; }
.toc__label { margin: 0; font-style: italic; color: var(--ink-faint); }
.toc__close {
  background: none; border: none; font-size: 1.4rem; line-height: 1;
  color: var(--ink-faint); cursor: pointer; padding: 0.1rem 0.35rem;
}
.toc__close:hover { color: var(--ink); }

.toc ol { list-style: none; margin: 0; padding: 0; }
.toc__kids { display: none; padding-left: 0.9rem !important; }
.toc__item.is-open > .toc__kids { display: block; }

.toc__row { display: flex; align-items: flex-start; gap: 0.15rem; }
.toc__twisty {
  flex: 0 0 1.3rem;
  height: 1.6rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ink-faint);
  padding: 0;
  position: relative;
}
.toc__twisty::before {
  content: '';
  position: absolute;
  left: 0.35rem; top: 0.55rem;
  border: 0.3rem solid transparent;
  border-left: 0.42rem solid currentColor;
  transition: transform 0.12s ease;
  transform-origin: 25% 50%;
}
.toc__twisty[aria-expanded="true"]::before { transform: rotate(90deg); }
.toc__twisty:hover { color: var(--ink); }
.toc__twisty--none::before { display: none; }

.toc a {
  display: block;
  flex: 1;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.18rem 0.3rem;
  border-radius: 3px;
  line-height: 1.35;
}
.toc a:hover { background: var(--paper-raised); color: var(--ink); }
.toc a.is-active { color: var(--accent); background: var(--paper-raised); font-weight: 500; }
.toc__item--2 > .toc__row a { color: var(--ink); }
.toc__item--4 a { font-size: 0.86rem; }

/* show the heading wording that matches the current view */
.toc-l { display: none; }
[data-view="modern"] .toc-o { display: none; }
[data-view="modern"] .toc-l { display: inline; }

.toc-backdrop { display: none; }

/* ---------------------------------------------------------------- narrow screens */

@media (max-width: 1000px) {
  .layout, .toc-hidden .layout { grid-template-columns: minmax(0, 1fr); }
  .col-labels { margin-left: 0; }
  .toc, .toc-hidden .toc {
    display: block;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    height: auto;
    width: min(var(--toc-width), 88vw);
    z-index: 40;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 6px 0 20px rgba(0, 0, 0, 0.18);
  }
  .toc-open .toc { transform: translateX(0); }
  .toc-open .toc-backdrop {
    display: block;
    position: fixed; inset: 0; z-index: 30;
    background: rgba(0, 0, 0, 0.4);
  }
}

@media (max-width: 700px) {
  .bar__inner { padding: 0.6rem 1rem; }
  .book { padding: 1.4rem 1rem 5rem; }
  .col-labels { display: none !important; }
  /* side by side stacks each original paragraph above its modernized form */
  .row { grid-template-columns: 1fr; }
  html:not([data-view]) .row:not(.row--h):not(.row--same) > .l,
  [data-view="parallel"] .row:not(.row--h):not(.row--same) > .l {
    padding-top: 0.5rem;
    border-top: 1px dashed var(--rule);
  }
  html:not([data-view]) .row--same > .l,
  [data-view="parallel"] .row--same > .l { display: none; }
  html:not([data-view]) .row--h:not(.row--same) > .l,
  [data-view="parallel"] .row--h:not(.row--same) > .l { font-size: 0.9em; opacity: 0.85; }
  .view-toggle button { padding: 0.4rem 0.6rem; font-size: 0.82rem; }
}

/* ---------------------------------------------------------------- alignment placeholders */
/* A block present in only one edition: collapse its row in the view that lacks it
   (kept in the flow, not display:none, so links to it still land in the right place). */
[data-view="original"] .row--oblank,
[data-view="modern"] .row--lblank {
  height: 0; margin: 0; padding: 0; border: 0; overflow: hidden;
}