:root {
  --bg: #fbfaf7;
  --panel: #f2efe8;
  --ink: #23201c;
  --ink-soft: #6a645b;
  --rule: #ddd8cd;
  --accent: #8a3324;
  --accent-soft: #f3e2dd;
  --pop-bg: #ffffff;
  --shadow: 0 6px 28px rgba(35, 32, 28, .18);
  --latin: "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L",
           "Gentium Plus", "EB Garamond", Georgia, "Times New Roman", serif;
  --ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body.dark {
  --bg: #16181c;
  --panel: #1e2126;
  --ink: #e6e2da;
  --ink-soft: #9a958c;
  --rule: #31353c;
  --accent: #e0896f;
  --accent-soft: #3a2a26;
  --pop-bg: #23272e;
  --shadow: 0 6px 28px rgba(0, 0, 0, .55);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ui);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .55rem 1rem;
  border-bottom: 1px solid var(--rule);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar h1 {
  font-family: var(--latin);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: .01em;
}

.topbar .subtitle {
  color: var(--ink-soft);
  font-style: italic;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.icon-btn {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  border-radius: 6px;
  font-size: 1rem;
  line-height: 1;
  padding: .4rem .55rem;
  cursor: pointer;
}

.icon-btn:hover { background: var(--accent-soft); }

#menu-toggle { display: none; }

.jump input {
  border: 1px solid var(--rule);
  background: var(--bg);
  color: var(--ink);
  border-radius: 6px;
  padding: .4rem .5rem;
  font: inherit;
  font-size: .85rem;
  width: 8.5rem;
}

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

.layout {
  display: flex;
  align-items: flex-start;
  min-height: calc(100vh - 3rem);
}

.sidebar {
  flex: 0 0 13rem;
  position: sticky;
  top: 3.1rem;
  max-height: calc(100vh - 3.1rem);
  overflow-y: auto;
  padding: 1rem .75rem 2rem;
  border-right: 1px solid var(--rule);
  background: var(--panel);
}

.sidebar h2 {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--ink-soft);
  margin: .25rem .5rem .6rem;
}

.sidebar h2 + .work-list + h2 {
  margin-top: 1.1rem;
  padding-top: .9rem;
  border-top: 1px solid var(--rule);
}


.book-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.book-list button {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .5rem;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: .9rem;
  padding: .38rem .5rem;
  border-radius: 6px;
  cursor: pointer;
}

.book-list button:hover { background: var(--accent-soft); }

.book-list button[aria-current="true"] {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* speech titles sit under the "Oration N" label */
.book-list button { flex-wrap: wrap; }

.book-list .div-title {
  flex: 1 0 100%;
  font-size: .72rem;
  line-height: 1.35;
  color: var(--ink-soft);
  margin-top: .1rem;
}

.book-list button[aria-current="true"] .div-title { color: #fff; opacity: .85; }

.book-list .latin {
  flex: 1 0 100%;
  font-family: var(--latin);
  font-style: italic;
  font-size: .95rem;
}

/* The work list runs to dozens of titles, so it gets author headings and a
   scroll of its own rather than pushing the book list off the screen. */
.work-list {
  max-height: 46vh;
  overflow-y: auto;
  margin-bottom: .3rem;
}

.author-head {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--ink-soft);
  padding: .7rem .5rem .2rem;
  position: sticky;
  top: 0;
  background: var(--panel);
}

.author-head:first-child { padding-top: 0; }

/* "12 chapters" sits opposite the division label */
.book-list .div-count {
  font-size: .7rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.book-list button[aria-current="true"] .latin,
.book-list button[aria-current="true"] .div-count { color: #fff; opacity: .85; }

.sidebar-note {
  margin: 1.2rem .5rem 0;
  font-size: .75rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- reader ---------- */

.reader {
  flex: 1 1 auto;
  min-width: 0;
  padding: 1.75rem clamp(1rem, 4vw, 3rem) 6rem;
  outline: none;
}

.text {
  max-width: 46rem;
  margin: 0 auto;
  position: relative;
}

.book-title {
  font-family: var(--latin);
  font-style: italic;
  font-weight: 600;
  font-size: 1.6rem;
  margin: 0 0 1.5rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--rule);
}

.book-title small {
  display: block;
  font-family: var(--ui);
  font-size: .72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--ink-soft);
  margin-bottom: .3rem;
}

.line {
  display: flex;
  gap: .75rem;
  font-family: var(--latin);
  font-size: 1.22rem;
  line-height: 1.95;
  scroll-margin-top: 5rem;
}

/* Everything here is prose: a chapter or a sentence wraps over many visual
   lines, so each block needs room around it and its number pinned to the top
   rather than centred against a block that may be twenty lines deep. */
.line.prose {
  align-items: flex-start;
  margin-bottom: 1.1rem;
  line-height: 1.85;
}

.prose-note {
  margin: -.6rem 0 1.6rem 3.35rem;
  font-size: .75rem;
  line-height: 1.5;
  color: var(--ink-soft);
  font-style: italic;
}

/* Machine-annotated works say so in a colour you cannot miss. */
.prose-note.auto-note {
  color: var(--accent);
  font-style: normal;
  border-left: 3px solid var(--accent);
  padding: .1rem 0 .1rem .7rem;
}


.lnum {
  flex: 0 0 2.6rem;
  text-align: right;
  font-family: var(--ui);
  font-size: .7rem;
  color: var(--ink-soft);
  user-select: none;
  padding-top: .55em;
}

.line-text { flex: 1 1 auto; }

.w {
  cursor: pointer;
  border-radius: 3px;
  padding: 0 .04em;
  transition: background-color .08s ease;
}

.w:hover { background: var(--accent-soft); }

.w.active {
  background: var(--accent);
  color: #fff;
}

.w.unknown { border-bottom: 1px dotted var(--rule); }

/* an enclitic is set flush against its host but underlined on hover on its
   own, so it is visible that the two are parsed separately */
.w.enclitic { padding-left: 0; margin-left: -.04em; }

.punct { color: var(--ink-soft); }

.line.target .lnum { color: var(--accent); font-weight: 700; }

.loading, .error {
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- popup ---------- */

.popup {
  position: absolute;
  z-index: 50;
  width: min(22rem, calc(100vw - 2rem));
  background: var(--pop-bg);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: .85rem 1rem .75rem;
  font-size: .85rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.popup[hidden] { display: none; }

.popup-arrow {
  position: absolute;
  width: 11px;
  height: 11px;
  background: var(--pop-bg);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transform: rotate(45deg);
  bottom: -6px;
}

.popup.clipped .popup-arrow { display: none; }

.popup.below .popup-arrow {
  bottom: auto;
  top: -6px;
  transform: rotate(225deg);
}

.popup-close {
  position: absolute;
  top: .3rem;
  right: .45rem;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  padding: .15rem .3rem;
}

.popup-close:hover { color: var(--ink); }

.popup-head {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding-right: 1.2rem;
}

.p-form {
  font-family: var(--latin);
  font-size: 1.3rem;
  font-weight: 600;
}

.p-ref {
  font-size: .7rem;
  color: var(--ink-soft);
  letter-spacing: .03em;
}

.p-gloss {
  margin: .35rem 0 .6rem;
  line-height: 1.45;
  color: var(--ink);
}

.p-gloss.none { color: var(--ink-soft); font-style: italic; }

.p-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .18rem .7rem;
  margin: 0;
  padding-top: .55rem;
  border-top: 1px solid var(--rule);
}

.p-grid dt {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
  padding-top: .12rem;
}

.p-grid dd {
  margin: 0;
  line-height: 1.4;
}

.p-grid dd.latin-val {
  font-family: var(--latin);
  font-size: 1.02rem;
}

.popup-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .5rem;
  margin-top: .6rem;
  padding-top: .5rem;
  border-top: 1px solid var(--rule);
  font-size: .7rem;
}

.popup-foot a { color: var(--accent); text-decoration: none; }
.popup-foot a:hover { text-decoration: underline; }
.p-src { color: var(--ink-soft); }

/* ---------- footer ---------- */

.sitefoot {
  border-top: 1px solid var(--rule);
  padding: 1rem clamp(1rem, 4vw, 3rem);
  font-size: .72rem;
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--panel);
}

.sitefoot p { max-width: 50rem; margin: 0 auto; }
.sitefoot a { color: var(--accent); }

/* ---------- small screens ---------- */

@media (max-width: 720px) {
  #menu-toggle { display: inline-block; }

  .sidebar {
    position: fixed;
    top: 3.1rem;
    bottom: 0;
    left: 0;
    z-index: 40;
    flex-basis: 15rem;
    width: 15rem;
    transform: translateX(-100%);
    transition: transform .18s ease;
    max-height: none;
  }

  .sidebar.open { transform: translateX(0); }

  .topbar h1 { font-size: 1.05rem; }
  .line { font-size: 1.12rem; }
  .jump input { width: 6rem; }
}