/* ═══════════════════════════════════════════════════════════════
   tree_style.css — PL reading stylesheet
   ═══════════════════════════════════════════════════════════════ */

@font-face {
  font-family: "PL Garamontio";
  src: url("garamontio_woff2/Garamontio-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PL Garamontio";
  src: url("garamontio_woff2/Garamontio-RegularItalic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "PL Garamontio";
  src: url("garamontio_woff2/Garamontio-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PL Garamontio";
  src: url("garamontio_woff2/Garamontio-BoldItalic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "PL Centaur";
  src: url("Centaur/CentaurMTStd.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PL Centaur";
  src: url("Centaur/CentaurMTStd-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "PL Centaur";
  src: url("Centaur/CentaurMTStd-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PL Centaur";
  src: url("Centaur/CentaurMTStd-BoldItalic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "PL Galatia SIL";
  src: url("GalatiaSIL-2.1-web/web/GalSILR.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PL Galatia SIL";
  src: url("GalatiaSIL-2.1-web/web/GalSILB.woff") format("woff");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ── Design tokens ───────────────────────────────────────────── */

:root {
  /* Fonts */
  --pl-font-text-garamontio:
    "PL Garamontio", "Palatino Linotype", Palatino, Georgia, serif;
  --pl-font-text-centaur:
    "PL Centaur", "Palatino Linotype", Palatino, Georgia, serif;
  --pl-font-text: var(--pl-font-text-garamontio);
  --pl-font-greek:
    "PL Galatia SIL", "Palatino Linotype", Palatino, Georgia, serif;

  /* Text colors */
  --c-text: #1c1c1c; /* body text */
  --c-accent: #3e3022; /* headings, toc labels */
  --c-sec: #5f5141; /* author lines, ornament captions */
  --c-toc: #5a4632; /* toc links */
  --c-muted: #6b5a48; /* section sub-authors */
  --c-tool: #4f3b22; /* toolbar controls */
  --c-label: #76614a; /* uppercase tool labels */
  --c-dim: #888; /* lacuna / unknown runs */
  --c-note: #5f2f2f; /* footnote chip text */
  --c-note-chip: #6b2f2f; /* inline note chip text */
  --c-note-inline: seagreen; /* expanded inline note text */
  --c-greek: coral; /* Greek text highlight */
  --c-col: sandybrown; /* column marker */
  --c-cite: hotpink; /* citation */

  /* Chip hover backgrounds */
  --c-chip-hover: #efe3ce;
  --c-chip-note-hover: #f1e0e0;
  --c-chip-orn-hover: #e9dcc1;

  /* Backgrounds */
  --c-bg: white;
  --c-surface: floralwhite; /* tree box, toc panel */
  --c-tool-bg: #f8f1e4;
  --c-input-bg: #fff8ef;
  --c-overlay-bg: #fffdf8;
  --c-chip-bg: #f7efe0;
  --c-chip-note-bg: #f7ecec;
  --c-chip-orn-bg: #f0e8d7;
  --c-close-bg: #f7f0df;
  --c-stripe-bg: #f5f0e8; /* table header / span rows */
  --c-toc-hover: #f0e8d7;
  --c-toc-active: #e5d8c2;

  /* Borders */
  --c-border: #ddd4c3;
  --c-border-ui: #d8ccb9;
  --c-border-str: #c8b295;
  --c-border-note: #c7a3a3;
  --c-border-orn: #b89f72;

  /* Font sizes */
  --fs-xs: 0.75em;
  --fs-sm: 0.84rem;
  --fs-base: 0.88rem;
  --fs-md: 0.95rem;
  --fs-lg: 1.05rem;
  --fs-xl: 1.1rem;
  --fs-2xl: 1.15rem;
  --fs-3xl: 1.18rem;
  --fs-4xl: 1.35rem;
  /* Layout */
  --content-width: 1152px;
}

/* ── Dark theme: variable overrides only ─────────────────────── */

body[data-theme="dark"] {
  --c-text: #d4c9b4;
  --c-accent: #b8a888;
  --c-sec: #7a6e55;
  --c-toc: #9a8c6c;
  --c-muted: #7a6e55;
  --c-tool: #c0b090;
  --c-label: #7a6e55;
  --c-dim: #6a6050;
  --c-note: #c89090;

  --c-bg: #17150f;
  --c-surface: #1c1a14;
  --c-tool-bg: #252018;
  --c-input-bg: #201c14;
  --c-overlay-bg: #1c1a14;
  --c-chip-bg: #252018;
  --c-chip-note-bg: #221818;
  --c-chip-orn-bg: #221c10;
  --c-close-bg: #252018;
  --c-stripe-bg: #252018;
  --c-toc-hover: #252018;
  --c-toc-active: #302a1e;

  --c-border: #332e22;
  --c-border-ui: #3e3828;
  --c-border-str: #4a4230;
  --c-border-note: #5a3030;
  --c-border-orn: #5a4820;

  --c-note-chip: #c89090;
  --c-note-inline: #6baa6b; /* seagreen equivalent on dark bg */
  --c-greek: #e08060; /* coral equivalent on dark bg */
  --c-col: #c89060; /* sandybrown equivalent on dark bg */
  --c-cite: #e06080; /* hotpink equivalent on dark bg */

  --c-chip-hover: #302a1e;
  --c-chip-note-hover: #2e1e1e;
  --c-chip-orn-hover: #2e2414;
}

body[data-text-font="centaur"] {
  --pl-font-text: var(--pl-font-text-centaur);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* ── Page ────────────────────────────────────────────────────── */

body {
  margin: 2rem auto;
  max-width: var(--content-width);
  padding: 0 1.25rem;
  font-family: var(--pl-font-text);
  line-height: 1.45;
  color: var(--c-text);
  background: var(--c-bg);
}

article {
  min-width: 0;
}

h1.tree-title {
  font-family: var(--pl-font-text);
  font-size: 1rem;
  font-weight: normal;
  color: var(--c-accent);
  text-align: center;
  margin: 0 0 1.5rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--c-border);
  letter-spacing: 0.05em;
}

.pl-tree {
  background: var(--c-surface);
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--c-border);
  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.04);
}

/* ── Unknown offset runs: show minimally ─────────────────────── */

.pl-unk {
  display: block;
  font-size: var(--fs-xs);
  color: var(--c-dim);
  margin: 0.1em 0;
}

/* ── Structural sections ─────────────────────────────────────── */

.pl-section,
.pl-frontmatter,
.pl-contents,
.pl-doc,
.pl-div1,
.pl-div2 {
  display: block;
  margin: 0;
  padding: 0;
}

.pl-frontmatter,
.pl-contents {
  margin-bottom: 1.5rem;
}

/* Body text inside a title-page container */
.pl-frontmatter .pl-misc {
  text-align: center;
  font-size: var(--fs-base);
  margin: 0.25rem 0;
}

.pl-doc {
  margin-bottom: 2.5rem;
}

.pl-div3 {
  display: block;
}

/* ── LIST ────────────────────────────────────────────────────── */

.pl-list {
  display: block;
  margin: 0.4rem 0;
  padding-left: 1.4rem;
}

.pl-item {
  display: list-item;
  list-style-type: disc;
  margin: 0.1rem 0;
}

/* ── Paragraph ───────────────────────────────────────────────── */

.pl-paragraph,
.pl-misc {
  display: block;
  margin: 0.5rem 0;
  text-align: justify;
}

/* ── Captions ────────────────────────────────────────────────── */

.pl-caption {
  display: block;
  text-align: center;
  font-style: italic;
  font-size: 0.9rem;
  margin: 0.3rem 0;
}

/* ── Headings ────────────────────────────────────────────────── */

.pl-head {
  display: block;
  font-weight: bold;
  text-align: center;
  margin: 1.4rem 0 0.5rem;
  letter-spacing: 0.04em;
  line-height: 1.38;
}

.pl-doc > .pl-head {
  font-size: 1rem;
  margin: 0.35rem 0 0.7rem;
}

.pl-div1 > .pl-head {
  font-size: 1rem;
  margin: 1.4rem 0 0.5rem;
  letter-spacing: 0;
}

.pl-div2 > .pl-head {
  font-size: var(--fs-md);
  margin: 1rem 0 0.4rem;
}

/* ── Imprint ─────────────────────────────────────────────────── */

.pl-imprint {
  display: block;
  text-align: center;
  font-size: var(--fs-base);
  margin: 0.4em 0;
}

/* ── Notes (no-JS fallback only; rewired to chips by JS) ─────── */

.pl-node[data-tag="NOTE"] {
  display: inline;
  font-size: 0.88em;
  color: var(--c-note);
}
.pl-node[data-tag="NOTE"]::before {
  content: " [";
}
.pl-node[data-tag="NOTE"]::after {
  content: "]";
}

.note-label {
  font-size: var(--fs-xs);
  color: var(--c-note);
  vertical-align: super;
  margin-right: 0.15em;
}

/* ── Inline styles ───────────────────────────────────────────── */

.foreign {
  font-style: italic;
}
.pl-smallcaps {
  font-variant: small-caps;
}
cite {
  font-style: normal;
  color: var(--c-cite);
}

.pl-line-start {
  display: inline-block;
  margin-left: 2rem;
}
.pl-line-cont {
  display: inline;
}

/* ── COL (column markers) ────────────────────────────────────── */

.col {
  color: var(--c-col);
  font-size: 0.92em;
  white-space: nowrap;
}

/* ── Poem / verse ────────────────────────────────────────────── */

.pl-poem {
  display: block;
  margin: 0.6rem 0 0.6rem 2rem;
}
.pl-line {
  display: block;
}

/* ── Lacuna & source ─────────────────────────────────────────── */

.pl-lacuna {
  color: var(--c-dim);
  font-style: italic;
}

.pl-source {
  display: block;
  font-size: var(--fs-base);
  margin: 0.3rem 0;
  font-style: italic;
}

/* ── Front-matter ────────────────────────────────────────────── */

.pl-front-ser-ti {
  display: block;
  font-size: var(--fs-xl);
  font-variant: small-caps;
  text-align: center;
  margin-top: 2rem;
}

.pl-front-body {
  display: block;
  font-size: var(--fs-base);
  text-align: justify;
  margin: 0.3rem 0;
}

.pl-front-ser-pt,
.pl-front-vol-no,
.pl-front-auth-no {
  display: block;
  text-align: center;
  font-size: var(--fs-md);
  margin: 0.3rem 0;
}

.pl-front-author {
  display: block;
  text-align: center;
  font-size: var(--fs-2xl);
  font-variant: small-caps;
  margin: 0.4rem 0;
}

.pl-front-doc-ti {
  display: block;
  text-align: center;
  font-size: var(--fs-lg);
  margin: 0.4rem 0;
}

.pl-front-date {
  display: block;
  text-align: center;
  font-size: var(--fs-base);
  margin: 0.3rem 0;
}

/* ── Injected semantic elements ──────────────────────────────── */

h2.doc-title {
  margin: 2rem 0 0.5rem;
  font-size: var(--fs-4xl);
  font-weight: bold;
  letter-spacing: 0.02em;
}

p.doc-author {
  margin: 0 0 1.2rem;
  color: var(--c-sec);
  font-style: italic;
}

.section-meta {
  margin: 1.6rem 0 0.8rem;
}

.section-meta-title {
  margin: 0;
  font-size: var(--fs-3xl);
  font-weight: bold;
  line-height: 1.25;
  color: var(--c-accent);
}

.section-meta-author {
  margin: 0.2rem 0 0;
  color: var(--c-muted);
  font-size: var(--fs-md);
  font-style: italic;
}

/* ── Greek text ──────────────────────────────────────────────── */

.greek,
.foreign.greek {
  font-family: var(--pl-font-greek);
  font-weight: 600;
  color: var(--c-greek);
}

/* ── EBT multi-column table ──────────────────────────────────── */

.ebt-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
  font-size: var(--fs-md);
}

.ebt-table td {
  padding: 0.2em 0.5em;
  vertical-align: top;
  border: 1px solid var(--c-border);
}

.ebt-table td.ebt-table-span {
  padding: 0.35em 0.5em;
  text-align: center;
  background: var(--c-stripe-bg);
  border-top: 2px solid var(--c-border-str);
  border-bottom: 1px solid var(--c-border-str);
}

.ebt-table td.ebt-table-span-sub {
  font-style: italic;
  font-weight: normal;
}
.ebt-table td.ebt-align-left {
  text-align: left;
}
.ebt-table td.ebt-align-centre {
  text-align: center;
  font-weight: 600;
}

/* ── Page tools ──────────────────────────────────────────────── */

body.overlay-open {
  overflow: hidden;
}

.page-tools {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
  margin: -0.5rem 0 1rem;
  padding: 0.3rem 0 0.6rem;
}

.tool-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.28rem 0.8rem;
  border: 1px solid var(--c-border-ui);
  border-radius: 999px;
  background: var(--c-tool-bg);
  color: var(--c-tool);
  font-size: 0.92rem;
  line-height: 1.2;
  cursor: pointer;
}

.tool-toggle input {
  margin: 0;
}

.tool-cluster {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.tool-select-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.7rem;
  border: 1px solid var(--c-border-ui);
  border-radius: 999px;
  background: var(--c-input-bg);
  color: var(--c-tool);
  font-size: var(--fs-sm);
  line-height: 1.2;
}

.tool-select-text {
  font-size: 0.79rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-label);
}

.tool-select {
  min-width: 5.6rem;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 0;
}
.tool-select:focus {
  outline: none;
}

.tool-theme-btn {
  font-size: var(--fs-base);
  padding: 0.28rem 0.7rem;
  cursor: pointer;
  border: 1px solid var(--c-border-ui);
  border-radius: 999px;
  background: var(--c-tool-bg);
  color: var(--c-tool);
  font-family: inherit;
  line-height: 1.2;
}

.tool-size-input {
  width: 1.5rem;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: var(--fs-sm);
  padding: 0;
  text-align: right;
  -moz-appearance: textfield;
  appearance: textfield;
}
.tool-size-input::-webkit-inner-spin-button,
.tool-size-input::-webkit-outer-spin-button {
  opacity: 0.5;
}
.tool-size-input:focus {
  outline: none;
}

/* ── Table of contents ───────────────────────────────────────── */

.toc-nav[hidden] {
  display: none;
}

.toc-nav {
  font-size: var(--fs-base);
  line-height: 1.4;
  color: var(--c-accent);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 0.4rem;
  padding: 0.5rem 0.6rem 0.75rem;
  margin-bottom: 1.25rem;
}

.toc-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  background: none;
  border: none;
  padding: 0.2rem 0.1rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-accent);
  cursor: pointer;
  text-align: left;
  letter-spacing: 0.03em;
}
.toc-toggle:hover {
  color: var(--c-text);
}

.toc-list {
  margin: 0.4rem 0 0;
  padding: 0;
  list-style: none;
  max-height: 20rem;
  overflow-y: auto;
}

.toc-item {
  margin: 0;
  padding: 0;
}

.toc-link {
  display: block;
  padding: 0.18rem 0.4rem;
  color: var(--c-toc);
  text-decoration: none;
  border-radius: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toc-link:hover {
  background: var(--c-toc-hover);
  color: var(--c-text);
}

.toc-item.toc-active > .toc-link {
  background: var(--c-toc-active);
  color: var(--c-text);
  font-weight: 600;
}

.toc-level-h2 > .toc-link {
  padding-left: 0.4rem;
  font-weight: 600;
}
.toc-level-h3 > .toc-link {
  padding-left: 1.1rem;
}
.toc-level-h4 > .toc-link {
  padding-left: 1.9rem;
}

h2.doc-title,
.section-meta-title,
.pl-head {
  scroll-margin-top: 4.6rem;
}

/* ── Notes: chip + overlay ───────────────────────────────────── */

.note-anchor {
  display: inline;
}
.note-inline-host {
  display: inline;
}

.note-inline-visible {
  margin-left: 0.2rem;
  font-size: 0.88em;
  color: var(--c-note-inline);
}

body.show-all-notes .pl-head .note-inline-host,
body.show-all-notes .pl-caption .note-inline-host,
body.show-all-notes h2.doc-title .note-inline-host,
body.show-all-notes .section-meta-title .note-inline-host {
  display: block;
}

body.show-all-notes .pl-head .note-inline-visible,
body.show-all-notes .pl-caption .note-inline-visible,
body.show-all-notes h2.doc-title .note-inline-visible,
body.show-all-notes .section-meta-title .note-inline-visible {
  display: block;
  margin: 0.3rem 0 0;
  font-size: var(--fs-base);
  font-weight: normal;
  letter-spacing: 0;
  line-height: 1.45;
  text-align: left;
}

/* ── Ornament anchor ─────────────────────────────────────────── */

.ornament-anchor {
  display: inline;
}
.ornament-inline-host {
  display: inline;
}

.ornament-image {
  max-height: 1.35em;
  width: auto;
  vertical-align: middle;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* ── Overlay chips ───────────────────────────────────────────── */

.overlay-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0 0.16rem;
  padding: 0.1rem 0.58rem;
  border: 1px solid var(--c-border-str);
  border-radius: 999px;
  background: var(--c-chip-bg);
  color: var(--c-tool);
  font: inherit;
  font-size: 0.88em;
  line-height: 1.3;
  vertical-align: baseline;
  cursor: pointer;
}
.overlay-chip:hover {
  background: var(--c-chip-hover);
}

.overlay-chip-note {
  border-color: var(--c-border-note);
  background: var(--c-chip-note-bg);
  color: var(--c-note-chip);
}
.overlay-chip-note:hover {
  background: var(--c-chip-note-hover);
}

.overlay-chip-ornament {
  border-color: var(--c-border-orn);
  background: var(--c-chip-orn-bg);
  color: var(--c-sec);
}
.overlay-chip-ornament:hover {
  background: var(--c-chip-orn-hover);
}

/* ── Overlay panel ───────────────────────────────────────────── */

.overlay-root[hidden],
[data-overlay-root][hidden] {
  display: none;
}

.overlay-root,
[data-overlay-root] {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 14, 0.36);
}

body[data-theme="dark"] .overlay-backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.overlay-panel {
  position: relative;
  z-index: 1;
  width: min(832px, calc(100vw - 48px));
  max-height: calc(100vh - 3rem);
  overflow: auto;
  border: 1px solid var(--c-border-ui);
  border-radius: 0.8rem;
  background: var(--c-overlay-bg);
  box-shadow: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.22);
  padding: 1.3rem 1.4rem 1.2rem;
}

.overlay-close {
  position: absolute;
  top: 0.8rem;
  right: 0.9rem;
  border: 1px solid var(--c-border-ui);
  border-radius: 999px;
  background: var(--c-close-bg);
  color: var(--c-tool);
  font: inherit;
  font-size: var(--fs-base);
  padding: 0.18rem 0.7rem;
  cursor: pointer;
}

.overlay-entry-title {
  margin: 0 3rem 0.8rem 0;
  font-size: 1.12rem;
  line-height: 1.25;
  color: var(--c-accent);
}

.overlay-entry-body {
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--c-text);
}

/* ── Ornament overlay ────────────────────────────────────────── */

.overlay-ornament-figure {
  margin: 0;
  text-align: center;
}

.overlay-ornament-display {
  max-width: 100%;
  max-height: min(60vh, 34rem);
  width: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.overlay-ornament-caption {
  margin-top: 0.75rem;
  color: var(--c-sec);
}

.overlay-missing-ornament {
  display: inline-block;
  border: 1px dashed var(--c-border-orn);
  padding: 0.45rem 0.65rem;
  background: var(--c-close-bg);
  color: var(--c-sec);
}

/* ── Fixed side panel (ToC sidebar) ──────────────────────────── */

@media (min-width: 1100px) {
  .toc-nav:not([hidden]) {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 528px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--c-border-ui);
    padding: 0;
    margin: 0;
    box-shadow: 0.5rem 0 1.5rem rgba(0, 0, 0, 0.08);
  }

  body[data-theme="dark"] .toc-nav:not([hidden]) {
    box-shadow: 0.5rem 0 1.5rem rgba(0, 0, 0, 0.3);
  }

  .toc-nav .toc-toggle {
    flex-shrink: 0;
    padding: 0.6rem 0.9rem;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-tool-bg);
  }

  .toc-list {
    flex: 1;
    max-height: none;
    overflow-y: auto;
    padding: 0.4rem 0;
  }

  .toc-nav .toc-list[hidden] {
    display: block !important;
  }
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (max-width: 42rem) {
  body {
    margin: 1rem auto;
    padding: 0 0.7rem;
  }
  .pl-tree {
    padding: 1rem 1rem 1.1rem;
  }
  .ebt-table {
    font-size: var(--fs-base);
  }

  .page-tools {
    top: -0.2rem;
    justify-content: stretch;
  }
  .tool-cluster {
    width: 100%;
    justify-content: stretch;
  }
  .tool-toggle,
  .tool-select-wrap {
    width: 100%;
    justify-content: center;
  }

  .overlay-panel {
    width: calc(100vw - 1.4rem);
    max-height: calc(100vh - 1.4rem);
    padding: 1rem 1rem 0.95rem;
  }
  .overlay-entry-title {
    margin-right: 2.4rem;
  }
}