:root {
  --bg: #0b0a08;
  --bg-2: #14110c;
  --ink: #efe4c9;
  --ink-dim: #b9ac8c;
  --gold: #d4a94a;
  --gold-bright: #f1c866;
  --rule: #3a2f1d;
  --accent: #c94a33;
  --serif: "Cormorant Garamond", "EB Garamond", "Baskerville", "Times New Roman", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background:
    radial-gradient(ellipse at 50% -10%, #1f180e 0%, var(--bg) 55%) fixed,
    var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-bright); }

.intro {
  max-width: 1280px;
  margin: 0 auto;
  padding: 44px 28px 8px;
  text-align: center;
}

.intro h1 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 6px;
  color: var(--gold-bright);
  text-shadow: 0 0 40px rgba(212, 169, 74, 0.25);
}

.intro .lede {
  max-width: 780px;
  margin: 0 auto;
  color: var(--ink-dim);
  font-size: 17px;
  font-style: italic;
}

.intro .lede em {
  color: var(--ink);
  font-style: italic;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  max-width: 1400px;
  margin: 28px auto 0;
  padding: 0 28px 40px;
  align-items: start;
}

/* ---------- wheel ---------- */
.wheel-wrap {
  position: sticky;
  top: 24px;
}

.wheel-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(212, 169, 74, 0.18),
    0 30px 80px rgba(0, 0, 0, 0.55);
}

#wheel {
  width: 100%;
  height: 100%;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

#overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#overlay [data-key] {
  fill: rgba(255, 255, 255, 0.0);
  stroke: rgba(255, 255, 255, 0.0);
  stroke-width: 3;
  pointer-events: all;
  cursor: pointer;
  transition: fill 180ms ease, stroke 180ms ease, filter 180ms ease;
}

#overlay [data-key]:hover {
  fill: rgba(241, 200, 102, 0.14);
  stroke: rgba(241, 200, 102, 0.75);
  filter: drop-shadow(0 0 14px rgba(241, 200, 102, 0.45));
}

#overlay [data-key].is-active {
  fill: rgba(241, 200, 102, 0.22);
  stroke: rgba(241, 200, 102, 0.95);
  filter: drop-shadow(0 0 18px rgba(241, 200, 102, 0.65));
}

/* ---------- book ---------- */
.book {
  background: linear-gradient(180deg, var(--bg-2) 0%, #0e0c08 100%);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 28px 32px 32px;
  min-height: 520px;
  position: relative;
}

.book::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 14px;
  right: 14px;
  bottom: 14px;
  border: 1px solid rgba(212, 169, 74, 0.14);
  border-radius: 6px;
  pointer-events: none;
}

.book .hint {
  color: var(--ink-dim);
  font-style: italic;
  text-align: center;
  margin: 44px 20px 0;
  opacity: 0.8;
}

.entry {
  animation: fade 360ms ease;
}

@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.entry .eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.entry h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 34px);
  margin: 0 0 2px;
  color: var(--ink);
  line-height: 1.1;
}

.entry .subtitle {
  font-style: italic;
  color: var(--ink-dim);
  margin-bottom: 18px;
}

.entry .modern {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  background: rgba(201, 74, 51, 0.08);
  border-left: 2px solid var(--accent);
  padding: 10px 14px;
  margin: 0 0 22px;
  border-radius: 2px;
}

.entry .meta {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 6px 14px;
  font-size: 14px;
  color: var(--ink-dim);
  margin: 0 0 24px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.entry .meta dt {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  align-self: center;
}

.entry .meta dd {
  margin: 0;
  color: var(--ink);
}

.entry .book-title {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}

.entry h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 16px;
  color: var(--ink);
}

.passage {
  position: relative;
  margin: 0 0 18px;
  padding: 0 0 18px 26px;
  border-bottom: 1px solid rgba(212, 169, 74, 0.12);
}

.passage:last-child { border-bottom: none; }

.passage::before {
  content: "“";
  position: absolute;
  left: -4px;
  top: -14px;
  font-size: 54px;
  line-height: 1;
  color: var(--gold);
  opacity: 0.45;
  font-family: var(--serif);
}

.passage p {
  margin: 0 0 8px;
  color: var(--ink);
}

.passage .page {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* ---------- footer ---------- */
.foot {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 28px 60px;
  text-align: center;
  color: var(--gold);
  letter-spacing: 0.3em;
  font-size: 12px;
  text-transform: uppercase;
}
.foot-link {
  display: block;
  margin-top: 14px;
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-decoration: none;
  transition: color 120ms ease;
}
.foot-link:hover {
  color: var(--gold-b);
}

/* ---------- inline term pills ---------- */

button.term {
  display: inline;
  padding: 1px 4px;
  margin: 0 1px;
  background: rgba(212, 169, 74, 0.10);
  border: none;
  border-bottom: 1px dashed rgba(212, 169, 74, 0.55);
  color: var(--gold-b);
  font: inherit;
  cursor: pointer;
  border-radius: 3px;
  transition: background 120ms ease, color 120ms ease;
}
button.term:hover {
  background: rgba(241, 200, 102, 0.20);
  color: #fff2c9;
  border-bottom-color: var(--gold-b);
}
button.term:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- matryoshka nested passage layers ---------- */
/* Each level wraps the inner level in a subtly larger, lighter frame. */

.passage {
  margin: 0 0 32px;
}

.matryoshka {
  position: relative;
}

.layer {
  position: relative;
  border-radius: 6px;
  padding: 16px 18px;
  transition: padding 200ms ease, background 200ms ease;
}

/* Innermost — the quote. Gold left-bar like a proper book quote. */
.layer-0 {
  padding: 14px 18px;
  background: rgba(212, 169, 74, 0.10);
  border: 1px solid rgba(212, 169, 74, 0.35);
  border-left: 3px solid var(--gold);
}

/* When the quote is wrapped by a context layer, give it extra pop. */
.layer:not(.layer-0) .layer-0 {
  box-shadow: 0 0 0 1px rgba(212, 169, 74, 0.45),
              0 0 22px rgba(212, 169, 74, 0.18);
  background: rgba(241, 200, 102, 0.14);
}

/* Layer 1 — paragraph. Layer 2 — page. Layer 3 — chapter.
   Each outer layer gets a slightly different tint so depth is legible. */
.layer-1 {
  background: rgba(212, 169, 74, 0.035);
  border: 1px dashed rgba(212, 169, 74, 0.25);
  padding: 20px 22px;
}
.layer-2 {
  background: rgba(212, 169, 74, 0.025);
  border: 1px dashed rgba(212, 169, 74, 0.18);
  padding: 24px 26px;
}
.layer-3 {
  background: rgba(212, 169, 74, 0.015);
  border: 1px dashed rgba(212, 169, 74, 0.12);
  padding: 28px 30px;
}

.layer-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: -4px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(212, 169, 74, 0.18);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}
.layer-head .layer-name { flex: 1; }
.layer-head .layer-range {
  color: var(--ink-dim);
  letter-spacing: 0.12em;
  font-size: 10px;
}
.layer-head .zoom-in {
  background: none;
  border: 1px solid transparent;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1;
  padding: 0 6px;
  border-radius: 3px;
  cursor: pointer;
}
.layer-head .zoom-in:hover {
  color: var(--gold-b);
  background: rgba(241, 200, 102, 0.1);
  border-color: rgba(212, 169, 74, 0.4);
}

.layer-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(212, 169, 74, 0.18);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.layer-foot .page-ref { color: var(--gold); letter-spacing: 0.22em; }
.layer-foot .layer-end {
  color: var(--gold);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.05em;
  font-family: var(--serif);
  font-size: 13px;
}

.zoom-out {
  margin-left: auto;
  background: none;
  border: 1px solid rgba(212, 169, 74, 0.4);
  color: var(--gold);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 120ms ease;
}
.zoom-out:hover {
  background: rgba(212, 169, 74, 0.12);
  color: var(--gold-b);
  border-color: var(--gold);
}
.zoom-icon {
  font-size: 12px;
  line-height: 1;
  opacity: 0.8;
}

.quote {
  margin: 0;
  font-style: italic;
  font-size: 17px;
  color: var(--ink);
  line-height: 1.55;
}
.quote::before { content: "“"; }
.quote::after  { content: "”"; }

.context-before, .context-after {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-dim);
}
.context-after { margin: 14px 0 0; }

/* ---------- cross-section chips ---------- */

.section-links {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}
.section-links .eyebrow {
  margin-bottom: 10px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.section-chip, .go-section {
  background: rgba(212, 169, 74, 0.08);
  border: 1px solid rgba(212, 169, 74, 0.4);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 120ms ease;
}
.section-chip:hover, .go-section:hover {
  background: rgba(241, 200, 102, 0.18);
  border-color: var(--gold);
  color: var(--gold-b);
  transform: translateY(-1px);
}
.go-section {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--gold);
}

/* ---------- glossary popover ---------- */

#popover {
  position: fixed;
  z-index: 1000;
  display: none;
  width: min(440px, calc(100vw - 40px));
  max-height: 70vh;
  overflow-y: auto;
  background: linear-gradient(180deg, #1b1710 0%, #120f0a 100%);
  border: 1px solid var(--gold);
  border-radius: 10px;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.3),
    0 30px 80px rgba(0, 0, 0, 0.7),
    0 0 60px rgba(212, 169, 74, 0.18);
  transition: opacity 180ms ease;
  padding: 20px 22px 18px;
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.55;
}
#popover::-webkit-scrollbar { width: 6px; }
#popover::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 3px; }

.pop-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}
.pop-title { flex: 1; }
.pop-head h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--gold-b);
  line-height: 1.1;
}
.pop-head .tib-skt {
  margin-top: 4px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
.pop-head .tib-skt .tib::after { content: ""; }
.pop-close {
  background: none;
  border: none;
  color: var(--ink-dim);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  margin: -4px -4px 0 0;
}
.pop-close:hover { color: var(--gold-b); }

.pop-short {
  margin: 0 0 14px;
  color: var(--ink);
  font-style: italic;
  font-size: 15px;
  padding: 10px 14px;
  background: rgba(212, 169, 74, 0.07);
  border-left: 2px solid var(--gold);
  border-radius: 2px;
}
.pop-body {
  margin: 0 0 14px;
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.6;
}
.pop-page {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-top: 10px;
  border-top: 1px solid var(--rule);
}
.pop-see {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}
.pop-see .eyebrow {
  display: block;
  margin-bottom: 8px;
}
.term--see {
  background: rgba(212, 169, 74, 0.10);
  border: 1px solid rgba(212, 169, 74, 0.35);
  border-radius: 14px;
  padding: 4px 10px;
  margin: 2px 4px 2px 0;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 13px;
}
.term--see:hover {
  background: rgba(241, 200, 102, 0.2);
  color: var(--gold-b);
  border-color: var(--gold-b);
}

/* ---------- L4: full-book reader panel ---------- */

#reader[hidden] { display: none !important; }
#reader {
  height: calc(100vh - 40px);
  max-height: 900px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.reader-head {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 4px 16px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 14px;
}
.reader-title .eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.reader-title h2 {
  margin: 2px 0 4px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 26px;
  color: var(--ink);
  line-height: 1.1;
}
.reader-title .subtitle {
  font-style: italic;
  color: var(--gold-b);
  font-size: 13px;
  font-family: var(--serif);
  letter-spacing: 0.03em;
}
#reader-close {
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 120ms ease;
}
#reader-close:hover {
  color: var(--gold-b);
  border-color: var(--gold);
  background: rgba(212, 169, 74, 0.1);
}

#reader-pages {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px 40px 2px;
  scroll-behavior: smooth;
}
#reader-pages::-webkit-scrollbar { width: 8px; }
#reader-pages::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 4px; }

.reader-page {
  margin-bottom: 32px;
}
.reader-loading {
  color: var(--ink-dim);
  font-style: italic;
  text-align: center;
  padding: 40px 20px;
  font-size: 15px;
}
.reader-page-num {
  display: block;
  text-align: center;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 18px 0 14px;
  margin-top: 8px;
  border-top: 1px dashed rgba(212, 169, 74, 0.18);
  padding-top: 18px;
}
.reader-page:first-child .reader-page-num {
  border-top: 0;
  margin-top: 0;
  padding-top: 6px;
}
.reader-page-body {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink);
  transition: background 600ms ease;
  padding: 4px 8px;
  border-radius: 4px;
}
.reader-page-body p {
  margin: 0 0 12px;
}
.reader-page-body p:last-child { margin-bottom: 0; }
.reader-page-body.flash-anchor {
  background: rgba(241, 200, 102, 0.12);
}

/* Wheel highlight when reader is open */
#overlay [data-key].is-relevant {
  fill: rgba(241, 200, 102, 0.18) !important;
  stroke: rgba(241, 200, 102, 0.9) !important;
  stroke-width: 3 !important;
  filter: drop-shadow(0 0 14px rgba(241, 200, 102, 0.5));
  animation: relevantPulse 2.4s ease-in-out infinite;
}
@keyframes relevantPulse {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(241, 200, 102, 0.35)); }
  50%      { filter: drop-shadow(0 0 18px rgba(241, 200, 102, 0.65)); }
}

.open-reader {
  background: rgba(212, 169, 74, 0.18);
  border: 1px solid var(--gold);
  color: var(--gold-b);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  transition: all 120ms ease;
}
.open-reader:hover {
  background: rgba(241, 200, 102, 0.3);
  color: #fff2c9;
}

.page-ref { cursor: pointer; }

/* Any "p. 279" or "pp. 19–20" page reference, anywhere it appears */
button.page-link {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  border-bottom: 1px dotted currentColor;
  transition: color 120ms ease;
}
button.page-link:hover {
  color: var(--gold-b);
  border-bottom-style: solid;
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .wheel-wrap {
    position: static;
  }
  #popover {
    width: calc(100vw - 20px);
    left: 10px !important;
  }
  #reader {
    height: 70vh;
  }
}