/* ═════════════════════════════════════════════════════════
   HAN'S BOOK · 星寒的书 · MMXXVI
   忒修斯之船 / J.J. Abrams "S." 致敬 — 真皮 + 烫金 + 边角磨损
   ═════════════════════════════════════════════════════════ */

:root {
  /* ─── leather + parchment palette ─── */
  --leather-dark:   #1a0f08;          /* deepest cover shadow */
  --leather:        #2d1c10;          /* main leather brown */
  --leather-mid:    #3d2716;          /* mid-tone */
  --leather-warm:   #4a2f1a;          /* highlight */
  --gilt:           #b8860b;          /* 老金 — primary gilt */
  --gilt-bright:    #d4a534;          /* fresh gold */
  --gilt-deep:      #7d5b09;          /* tarnished gold */
  --vermillion:     #7c2d12;          /* 鹿皮红 / wax */
  --vermillion-hi:  #a3431c;
  --moss:           #1f3a36;          /* 暗墨绿 / ribbon */
  --moss-deep:      #122421;
  --parchment:      #e8dcc4;          /* 米色羊皮纸 */
  --parchment-soft: #d8c9a8;
  --parchment-edge: #b8a173;
  --foxing:         #8b6f3a;          /* age stain */
  --ink:            #2a1810;          /* manuscript ink */
  --ink-faded:      #5a4128;
  --ink-mute:       #806240;
  --ribbon-red:     #6e1f15;

  /* ─── typography ─── */
  --display:   "Cormorant Garamond", "Cormorant Infant", "EB Garamond", serif;
  --old:       "IM Fell English", "IM Fell DW Pica", "Cormorant Garamond", serif;
  --body:      "Cormorant Garamond", "EB Garamond", "Noto Serif SC", "Songti SC", serif;
  --cn:        "Noto Serif SC", "Songti SC", "FangSong", serif;
  --mono:      "JetBrains Mono", ui-monospace, "SF Mono", monospace;
  --hand:      "Homemade Apple", "Caveat", "Daniel", cursive;
  --hand-2:    "Cedarville Cursive", "Caveat", "Reenie Beanie", cursive;
  --hand-3:    "Reenie Beanie", "Kalam", cursive;

  --pad-x:     clamp(20px, 5vw, 72px);

  --mx: 0;
  --my: 0;
  --scroll: 0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--vermillion); color: var(--parchment); }

html { scroll-behavior: smooth; background: var(--leather-dark); }

body {
  background: var(--leather-dark);
  color: var(--parchment);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-feature-settings: "kern", "liga", "onum";
}

/* ─── ambient leather-room background (everywhere behind sections) ─── */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(74, 47, 26, .55) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 90% 100%, rgba(124, 45, 18, .18) 0%, transparent 60%),
    linear-gradient(180deg, #100804 0%, #1a0f08 35%, #0c0703 100%);
  pointer-events: none;
  z-index: -2;
}

/* parchment fiber noise overlay (very subtle, multiplies on light surfaces) */
body::after {
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='13'/><feColorMatrix values='0 0 0 0 0.06  0 0 0 0 0.04  0 0 0 0 0.02  0 0 0 0.32 0'/></filter><rect width='320' height='320' filter='url(%23n)'/></svg>");
  background-size: 320px 320px;
  mix-blend-mode: multiply;
  opacity: .35;
  pointer-events: none;
  z-index: 90;
}

/* warm vignette */
.vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 91;
  background: radial-gradient(ellipse at 50% 45%, transparent 50%, rgba(0,0,0,.55) 100%);
}

a { color: inherit; text-decoration: none; }

/* ═════════ MASTHEAD / TOP BAR ═════════ */
.codex-bar {
  position: sticky; top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(20, 12, 6, .94) 0%, rgba(26, 15, 8, .82) 80%, transparent 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 30px;
  align-items: center;
  padding: 18px var(--pad-x) 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--parchment-edge);
  border-bottom: 1px solid rgba(184, 134, 11, .18);
}
.cb-mark {
  display: flex; align-items: center; gap: 12px;
  color: var(--gilt-bright);
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: none;
  font-size: 15px;
}
.cb-mark .glyph {
  width: 30px; height: 30px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--gilt);
  border-radius: 50%;
  font-family: var(--cn);
  font-size: 14px;
  color: var(--gilt-bright);
  background: radial-gradient(circle at 35% 30%, rgba(212, 165, 52, .25), transparent 70%);
  box-shadow: inset 0 0 8px rgba(184, 134, 11, .25);
}
.cb-mark b {
  font-family: var(--old);
  letter-spacing: .08em;
  font-style: normal;
}
.cb-mark .cn {
  font-family: var(--cn);
  color: var(--parchment-edge);
  font-size: 11px;
  letter-spacing: .15em;
  font-style: normal;
  margin-left: 6px;
}
.cb-meta b { color: var(--gilt-bright); font-family: var(--old); font-weight: 600; font-size: 12px; }
.cb-clock { color: var(--gilt); font-variant-numeric: tabular-nums; }

/* ═════════ MODE SWITCH (3-chip · book theme) ═════════ */
.mode-switch {
  position: fixed;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  z-index: 80;
  display: inline-flex;
  background: linear-gradient(180deg, #2a1a0d 0%, #1a0f08 100%);
  border: 1px solid var(--gilt);
  padding: 3px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  box-shadow:
    0 0 0 1px rgba(184, 134, 11, .2) inset,
    0 6px 18px -4px rgba(0, 0, 0, .8),
    0 0 24px -8px rgba(184, 134, 11, .35);
  border-radius: 1px;
}
.mode-switch::before, .mode-switch::after {
  content: ""; position: absolute;
  width: 6px; height: 6px;
  border-color: var(--gilt-bright);
  border-style: solid;
  border-width: 0;
}
.mode-switch::before { top: -3px; left: -3px;     border-top-width: 1.5px; border-left-width: 1.5px; }
.mode-switch::after  { bottom: -3px; right: -3px; border-bottom-width: 1.5px; border-right-width: 1.5px; }

.ms-chip {
  padding: 7px 16px;
  text-decoration: none;
  color: var(--ink-mute);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .25s, background .25s, letter-spacing .25s;
}
.ms-chip:hover {
  color: var(--gilt-bright);
  letter-spacing: .26em;
}
.ms-chip.ms-active {
  background: linear-gradient(180deg, var(--gilt-bright) 0%, var(--gilt) 60%, var(--gilt-deep) 100%);
  color: var(--leather-dark);
  pointer-events: none;
  text-shadow: 0 1px 0 rgba(255, 240, 200, .35);
}
.ms-chip.ms-active::before {
  content: "❦";
  color: var(--vermillion);
  font-size: 9px;
  letter-spacing: 0;
}

/* ═════════ HERO — book on a desk, full bleed ═════════ */
.cover-stage {
  position: relative;
  min-height: calc(100vh - 50px);
  perspective: 1800px;
  perspective-origin: 50% 38%;
  overflow: hidden;
  isolation: isolate;
}

/* ambient candle/dust haze */
.cover-stage::before {
  content: "";
  position: absolute; inset: -10%;
  background:
    radial-gradient(ellipse 50% 35% at 70% 30%, rgba(255, 200, 100, .14) 0%, transparent 60%),
    radial-gradient(ellipse 30% 60% at 12% 90%, rgba(124, 45, 18, .10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* dust motes */
.cover-stage::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 18% 32%, rgba(255, 220, 160, .55), transparent 60%),
    radial-gradient(1.4px 1.4px at 72% 22%, rgba(212, 165, 52, .35), transparent 60%),
    radial-gradient(1px 1px at 88% 64%, rgba(255, 230, 180, .4), transparent 60%),
    radial-gradient(.8px .8px at 32% 78%, rgba(212, 165, 52, .35), transparent 60%),
    radial-gradient(1.2px 1.2px at 56% 48%, rgba(255, 220, 160, .35), transparent 60%);
  animation: dust-drift 60s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 2;
  opacity: .8;
}
@keyframes dust-drift {
  to { transform: translate(-30px, -20px); }
}

/* the book itself — sits in 3D space, parallax with mouse */
.tome {
  position: absolute;
  top: 50%; left: 58%;
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  width: clamp(280px, 38vw, 540px);
  aspect-ratio: 3 / 4;
  z-index: 3;
  transform:
    translate(-50%, -50%)
    rotateY(calc(var(--mx) * -8deg + -3deg))
    rotateX(calc(var(--my) * 4deg))
    rotateZ(-1.2deg);
  transition: transform .15s ease-out;
  filter: drop-shadow(0 60px 60px rgba(0, 0, 0, .85))
          drop-shadow(0 20px 24px rgba(0, 0, 0, .55));
}

.tome-cover {
  position: absolute; inset: 0;
  background-image: url("./assets/book_cover.jpg?v=1777506000");
  background-size: cover;
  background-position: center;
  border-radius: 4px 8px 8px 4px;
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, .55),
    inset -10px 0 28px rgba(0, 0, 0, .55),
    inset 10px 0 14px rgba(0, 0, 0, .35);
}
/* spine shadow line */
.tome-cover::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 22px;
  background: linear-gradient(90deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,.18) 70%, transparent 100%);
}
/* gilt edge sheen on right side */
.tome-cover::after {
  content: "";
  position: absolute; right: -2px; top: 4%; bottom: 4%;
  width: 6px;
  background: linear-gradient(90deg,
    rgba(184, 134, 11, .65) 0%,
    rgba(212, 165, 52, .9) 30%,
    rgba(125, 91, 9, .8) 70%,
    rgba(0, 0, 0, .7) 100%);
  border-radius: 0 2px 2px 0;
}

/* page block under the cover (suggesting thickness) */
.tome::before {
  content: "";
  position: absolute;
  inset: 6px -4px -10px 10px;
  background: linear-gradient(180deg, #d8c594 0%, #bda169 50%, #94793f 100%);
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.18) 0 1px, transparent 1px 2px),
    linear-gradient(180deg, #d8c594 0%, #bda169 50%, #94793f 100%);
  border-radius: 2px;
  z-index: -1;
  transform: translateZ(-22px);
  box-shadow: 0 0 0 1px rgba(60, 35, 12, .4);
}
/* stacked page-edges deeper shadow (suggests weight) */
.tome::after {
  content: "";
  position: absolute;
  inset: 12px -10px -16px 18px;
  background: linear-gradient(180deg, #1a0e05 0%, #0c0602 100%);
  border-radius: 4px;
  z-index: -2;
  transform: translateZ(-44px);
  filter: blur(2px);
  opacity: .8;
}

/* ribbon bookmark */
.tome-ribbon {
  position: absolute;
  top: -2px; right: 22%;
  width: 22px;
  height: 60%;
  background: linear-gradient(180deg, var(--ribbon-red) 0%, #4a1209 70%, #2c0a06 100%);
  z-index: 4;
  transform-origin: top center;
  animation: ribbon-sway 8s ease-in-out infinite;
  box-shadow:
    inset 1px 0 0 rgba(0,0,0,.4),
    inset -1px 0 0 rgba(255,180,160,.18),
    2px 4px 6px rgba(0,0,0,.6);
}
.tome-ribbon::after {
  content: "";
  position: absolute;
  bottom: -8px; left: 0; right: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-top: 12px solid #2c0a06;
}
@keyframes ribbon-sway {
  0%, 100% { transform: rotate(-1deg); }
  50%      { transform: rotate(1.2deg); }
}

/* hover: book tilts open slightly */
.tome:hover {
  transform:
    translate(-50%, -50%)
    rotateY(calc(var(--mx) * -8deg + -8deg))
    rotateX(calc(var(--my) * 4deg + -2deg))
    rotateZ(-1.5deg)
    scale(1.04);
  filter: drop-shadow(0 80px 90px rgba(0, 0, 0, .9))
          drop-shadow(0 30px 40px rgba(184, 134, 11, .2));
}

/* hero text on the LEFT */
.cover-text {
  position: absolute;
  top: 50%; left: 0;
  transform: translateY(-50%);
  width: min(54%, 620px);
  padding: 0 var(--pad-x);
  z-index: 4;
  color: var(--parchment);
}
.cover-text .ribbon-tag {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .32em;
  color: var(--gilt-bright);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.cover-text .ribbon-tag::before {
  content: ""; width: 36px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gilt));
}
.cover-text .ribbon-tag::after {
  content: "❦";
  color: var(--vermillion-hi);
  font-size: 14px;
  letter-spacing: 0;
}

.cover-title {
  font-family: var(--display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(48px, 7vw, 96px);
  line-height: .95;
  color: var(--gilt-bright);
  text-shadow:
    0 1px 0 rgba(0,0,0,.6),
    0 0 24px rgba(184, 134, 11, .3);
  letter-spacing: .02em;
  margin-bottom: 4px;
}
.cover-title small {
  display: block;
  font-family: var(--cn);
  font-style: normal;
  font-weight: 400;
  font-size: clamp(18px, 1.6vw, 24px);
  letter-spacing: .22em;
  color: var(--parchment-soft);
  margin-top: 18px;
  text-shadow: 0 1px 0 rgba(0,0,0,.6);
  white-space: nowrap;
}

.cover-sub {
  font-family: var(--old);
  font-style: italic;
  font-size: clamp(15px, 1.3vw, 19px);
  color: var(--parchment-edge);
  line-height: 1.55;
  margin-top: 32px;
  max-width: 36em;
  letter-spacing: .03em;
}
.cover-sub b {
  font-style: normal;
  color: var(--parchment);
  font-family: var(--cn);
  letter-spacing: .04em;
  font-weight: 500;
}

.cover-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: 6px 36px;
  margin-top: 36px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.cover-meta dt { color: var(--gilt); opacity: .85; }
.cover-meta dd { color: var(--parchment-soft); }
.cover-meta dd b { color: var(--gilt-bright); font-family: var(--old); font-size: 12px; font-weight: 600; }

/* edge ornaments — corner brackets in gilt */
.corner {
  position: absolute;
  width: 56px; height: 56px;
  border: 1px solid var(--gilt);
  opacity: .55;
  pointer-events: none;
  z-index: 5;
}
.corner.tl { top: 70px; left: 24px; border-right: 0; border-bottom: 0; }
.corner.tr { top: 70px; right: 24px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 24px; left: 24px; border-right: 0; border-top: 0; }
.corner.br { bottom: 24px; right: 24px; border-left: 0; border-top: 0; }

.corner::before {
  content: "❦";
  position: absolute;
  font-size: 11px;
  color: var(--gilt-bright);
  opacity: .7;
}
.corner.tl::before { top: 4px; left: 4px; }
.corner.tr::before { top: 4px; right: 4px; }
.corner.bl::before { bottom: 4px; left: 4px; }
.corner.br::before { bottom: 4px; right: 4px; }

/* "open the book" hint at bottom */
.open-hint {
  position: absolute;
  bottom: 38px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--old);
  font-style: italic;
  font-size: 14px;
  color: var(--gilt);
  letter-spacing: .35em;
  text-transform: uppercase;
  z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: .75;
  animation: hint-fade 2.6s ease-in-out infinite;
}
.open-hint::after {
  content: "↓";
  font-family: var(--mono);
  font-size: 18px;
  color: var(--gilt-bright);
}
@keyframes hint-fade { 50% { opacity: .35; transform: translateX(-50%) translateY(4px); } }

/* ═════════ DECORATIVE DIVIDER (between sections) ═════════ */
.divider {
  display: flex; align-items: center; justify-content: center;
  gap: 18px;
  padding: 40px var(--pad-x);
  color: var(--gilt);
  font-size: 22px;
  opacity: .6;
}
.divider::before, .divider::after {
  content: ""; flex: 1; max-width: 240px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gilt), transparent);
}
.divider span {
  font-family: var(--display);
  font-style: italic;
  font-size: 16px;
  letter-spacing: .35em;
  color: var(--parchment-edge);
}

/* ═════════ PAGE — the unified parchment surface ═════════ */
.page {
  position: relative;
  margin: 0 auto;
  max-width: 1180px;
  padding: clamp(48px, 6vw, 88px) clamp(32px, 6vw, 96px);
  /* parchment as solid color + tileable SVG fiber noise — works at any height */
  background-color: var(--parchment);
  background-image:
    radial-gradient(ellipse 70% 30% at 18% 8%, rgba(120, 80, 30, .12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 92% 28%, rgba(124, 45, 18, .08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 30% at 50% 95%, rgba(80, 50, 20, .14) 0%, transparent 70%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='420' height='420'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='2' seed='9'/><feColorMatrix values='0 0 0 0 0.4  0 0 0 0 0.28  0 0 0 0 0.12  0 0 0 0.18 0'/></filter><filter id='spot'><feTurbulence type='fractalNoise' baseFrequency='0.012' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0.45  0 0 0 0 0.30  0 0 0 0 0.10  0 0 0 0.30 0'/></filter><rect width='420' height='420' filter='url(%23n)'/><rect width='420' height='420' filter='url(%23spot)' opacity='.6'/></svg>");
  background-size: auto, auto, auto, 420px 420px;
  background-repeat: no-repeat, no-repeat, no-repeat, repeat;
  background-position: top left, top right, bottom center, top left;
  color: var(--ink);
  border-radius: 2px;
  box-shadow:
    0 30px 60px -10px rgba(0, 0, 0, .7),
    0 60px 120px -20px rgba(0, 0, 0, .6),
    inset 0 0 0 1px rgba(60, 35, 12, .25),
    inset 0 0 80px rgba(120, 80, 30, .25);
  margin-bottom: 0;
}

/* tea-stain overlay (multiplied) for additional depth */
.page::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 30% 20% at 12% 18%, rgba(120, 80, 30, .14) 0%, transparent 70%),
    radial-gradient(ellipse 25% 30% at 88% 75%, rgba(124, 45, 18, .10) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(60, 30, 10, .15) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 2px;
}

/* spine shadow at left of pages (suggests bound) */
.page::after {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 28px;
  background: linear-gradient(90deg, rgba(40, 25, 10, .35) 0%, rgba(40, 25, 10, .12) 70%, transparent 100%);
  border-radius: 2px 0 0 2px;
  pointer-events: none;
}

.page > * { position: relative; z-index: 1; }

/* page selection on parchment */
.page *::selection { background: rgba(124, 45, 18, .35); color: var(--ink); }

/* ═════════ FRONTISPIECE ═════════ */
.frontispiece {
  text-align: center;
  padding-top: clamp(72px, 10vw, 140px);
  padding-bottom: clamp(72px, 10vw, 140px);
}
.fp-decor {
  font-family: var(--display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: .4em;
  color: var(--ink-faded);
  text-transform: uppercase;
}
.fp-decor::before, .fp-decor::after {
  content: "❦";
  margin: 0 14px;
  color: var(--vermillion);
  font-style: normal;
}
.fp-title {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 72px);
  color: var(--ink);
  margin: 32px 0 14px;
  line-height: 1.05;
  letter-spacing: .015em;
}
.fp-cn {
  font-family: var(--cn);
  font-size: clamp(18px, 1.8vw, 24px);
  letter-spacing: .55em;
  color: var(--vermillion);
  margin-bottom: 38px;
  text-indent: .55em;
}
.fp-quote {
  font-family: var(--old);
  font-style: italic;
  font-size: clamp(17px, 1.4vw, 21px);
  color: var(--ink-faded);
  max-width: 30em;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.fp-press {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .35em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-top: 56px;
}
.fp-press b { color: var(--vermillion); font-family: var(--old); font-weight: 600; font-size: 12px; letter-spacing: .15em; }

/* ═════════ TABLE OF CONTENTS ═════════ */
.toc {
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(60px, 7vw, 90px);
}
.toc-head {
  text-align: center;
  margin-bottom: 56px;
}
.toc-head h2 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(34px, 4vw, 52px);
  color: var(--ink);
  letter-spacing: .025em;
}
.toc-head .cn {
  display: block;
  font-family: var(--cn);
  font-size: 14px;
  letter-spacing: .55em;
  color: var(--vermillion);
  margin-top: 8px;
  text-indent: .55em;
}
.toc-head .lat {
  display: block;
  font-family: var(--old);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .35em;
  color: var(--ink-mute);
  margin-top: 14px;
  text-transform: uppercase;
}

.toc-list {
  list-style: none;
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 4px;
}
.toc-list li {
  display: grid;
  grid-template-columns: 56px 1fr auto auto;
  align-items: baseline;
  gap: 16px;
  padding: 14px 8px;
  border-bottom: 1px dotted rgba(60, 35, 12, .35);
  transition: background .25s, transform .25s;
}
.toc-list li:hover {
  background: rgba(184, 134, 11, .07);
  transform: translateX(4px);
}
.toc-list .roman {
  font-family: var(--old);
  font-style: italic;
  color: var(--vermillion);
  font-size: 19px;
  text-align: center;
  letter-spacing: .05em;
}
.toc-list .ttl {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: 21px;
  color: var(--ink);
  letter-spacing: .015em;
}
.toc-list .ttl small {
  display: block;
  font-family: var(--cn);
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--ink-faded);
  margin-top: 2px;
}
.toc-list .leader {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ink-mute);
  text-transform: uppercase;
  white-space: nowrap;
}
.toc-list .pg {
  font-family: var(--old);
  font-style: italic;
  color: var(--ink-faded);
  font-size: 18px;
  min-width: 36px;
  text-align: right;
}
.toc-list li.draft {
  opacity: .55;
  pointer-events: none;
}
.toc-list li.draft .leader::after { content: " · 写作中"; }

/* ═════════ CHAPTERS ═════════ */
.chapter {
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(56px, 6vw, 88px);
  position: relative;
}
.chapter + .chapter::before {
  content: "";
  position: absolute; top: 0; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(60, 35, 12, .45) 30%, var(--vermillion) 50%, rgba(60, 35, 12, .45) 70%, transparent);
}

.chap-head {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 36px;
}
.chap-seal {
  width: 110px; height: 110px;
  background-image: url("./assets/book_waxseal.jpg?v=1777506000");
  background-size: 220% 220%;
  background-position: center;
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 1px rgba(74, 18, 6, .5),
    0 4px 12px rgba(0, 0, 0, .35);
  filter: contrast(1.05) drop-shadow(0 2px 3px rgba(0, 0, 0, .35));
  transform: rotate(-6deg);
  transition: transform .35s ease, filter .35s ease;
}
.chap-seal:hover {
  transform: rotate(-2deg) scale(1.06);
  filter: contrast(1.1) drop-shadow(0 6px 10px rgba(0, 0, 0, .5));
}

.chap-titlebox .roman {
  font-family: var(--old);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin-bottom: 10px;
  display: block;
}
.chap-titlebox h2 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(30px, 3.5vw, 46px);
  color: var(--ink);
  line-height: 1.05;
  letter-spacing: .015em;
  margin-bottom: 8px;
}
.chap-titlebox h2 small {
  display: block;
  font-family: var(--cn);
  font-style: normal;
  font-size: clamp(15px, 1.3vw, 19px);
  color: var(--ink-faded);
  letter-spacing: .12em;
  margin-top: 6px;
  font-weight: 400;
}
.chap-titlebox .meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .3em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-top: 12px;
}
.chap-titlebox .meta b {
  color: var(--vermillion);
  font-family: var(--old);
  font-size: 12px;
  letter-spacing: .15em;
}

.chap-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 36em;
  padding-left: 142px;
  font-feature-settings: "kern", "liga", "onum";
}
.chap-body p:first-child::first-letter {
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 4.6em;
  float: left;
  line-height: .85;
  padding: 6px 14px 0 0;
  color: var(--vermillion);
  text-shadow: 1px 1px 0 rgba(255, 220, 160, .35);
}
.chap-body em {
  font-family: var(--old);
  font-style: italic;
  color: var(--ink-faded);
}

.chap-cta {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 24px;
  margin-left: 142px;
  padding: 8px 22px 8px 18px;
  border: 1px solid var(--ink);
  background: rgba(184, 134, 11, .08);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .25em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background .25s, color .25s, transform .25s;
}
.chap-cta::before {
  content: "❦";
  font-family: var(--display);
  font-size: 13px;
  color: var(--vermillion);
}
.chap-cta:hover {
  background: var(--ink);
  color: var(--parchment);
  transform: translateX(4px);
}
.chap-cta.draft {
  pointer-events: none;
  opacity: .5;
  border-style: dashed;
}

/* page number / signature mark in lower corner */
.page-mark {
  position: absolute;
  bottom: 24px; right: 32px;
  font-family: var(--old);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: .25em;
}

/* ═════════ MARGINALIA — handwritten ephemera floating ═════════ */
.marginalia {
  position: absolute;
  font-family: var(--hand);
  font-size: 17px;
  color: #1c2a4a;
  line-height: 1.4;
  max-width: 220px;
  padding: 8px 12px;
  pointer-events: auto;
  z-index: 3;
  filter: drop-shadow(1px 2px 3px rgba(0, 0, 0, .35));
  transition: transform .35s cubic-bezier(.22, .61, .36, 1), filter .25s;
}
.marginalia.left  { left: -42px; }
.marginalia.right { right: -42px; }
.marginalia .arrow {
  font-family: var(--display);
  display: block;
  font-size: 22px;
  color: var(--vermillion);
  font-style: italic;
  margin-top: 4px;
}
.marginalia.tilt-l { transform: rotate(-3deg); }
.marginalia.tilt-r { transform: rotate(2.5deg); }
.marginalia.tilt-l:hover { transform: rotate(-1deg) scale(1.05); }
.marginalia.tilt-r:hover { transform: rotate(.5deg) scale(1.05); }

.marginalia.hand-2 { font-family: var(--hand-2); color: #4a2210; font-size: 18px; }
.marginalia.hand-3 { font-family: var(--hand-3); color: #2a1810; font-size: 22px; }

/* ═════════ EPHEMERA INSERTS (full image cards tucked in pages) ═════════ */
.ephemera-band {
  position: relative;
  padding: clamp(48px, 6vw, 88px) var(--pad-x);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.ephemera {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 2px;
  box-shadow:
    0 12px 30px -8px rgba(0, 0, 0, .8),
    0 4px 12px rgba(0, 0, 0, .5),
    inset 0 0 0 1px rgba(40, 20, 8, .3);
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, .4));
  transition: transform .35s cubic-bezier(.22, .61, .36, 1);
  -webkit-user-drag: none;
  user-select: none;
}
.ephemera:hover { transform: translateY(-4px) rotate(0deg) scale(1.02); }

.eph-note {
  grid-column: 1 / span 5;
  background-image: url("./assets/book_note1.jpg?v=1777506000");
  aspect-ratio: 4 / 3;
  transform: rotate(-2.5deg);
  align-self: center;
}
.eph-ticket {
  grid-column: 6 / span 4;
  background-image: url("./assets/book_ticket.jpg?v=1777506000");
  aspect-ratio: 3 / 2;
  transform: rotate(3deg);
  align-self: end;
  margin-top: 60px;
}
.eph-specimens {
  grid-column: 10 / span 3;
  background-image: url("./assets/book_specimens.jpg?v=1777506000");
  background-size: 132% auto;     /* zoom in to crop the AI-generated transparent border */
  background-position: 50% 50%;
  aspect-ratio: 3 / 2;
  transform: rotate(-1.5deg);
  align-self: start;
  /* feather edges into the dark leather room with a 4-stop mask */
  -webkit-mask-image: radial-gradient(ellipse 75% 78% at 50% 50%, #000 0 55%, rgba(0,0,0,.85) 70%, rgba(0,0,0,.35) 88%, transparent 100%);
          mask-image: radial-gradient(ellipse 75% 78% at 50% 50%, #000 0 55%, rgba(0,0,0,.85) 70%, rgba(0,0,0,.35) 88%, transparent 100%);
}

.eph-caption {
  position: absolute;
  bottom: -14px; right: 14px;
  font-family: var(--hand);
  font-size: 14px;
  color: var(--gilt-bright);
  letter-spacing: .04em;
  z-index: 4;
  pointer-events: none;
}

/* ═════════ COLOPHON / END LEAF ═════════ */
.colophon {
  text-align: center;
  padding-top: clamp(72px, 8vw, 110px);
  padding-bottom: clamp(72px, 8vw, 120px);
  position: relative;
}
.colophon h3 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(30px, 3.5vw, 44px);
  color: var(--ink);
  letter-spacing: .025em;
  margin-bottom: 8px;
}
.colophon h3::before, .colophon h3::after {
  content: "❦";
  margin: 0 18px;
  color: var(--vermillion);
  font-size: .75em;
}
.colophon .cn {
  display: block;
  font-family: var(--cn);
  font-size: 13px;
  letter-spacing: .5em;
  color: var(--vermillion);
  margin-bottom: 38px;
}
.colophon-body {
  max-width: 30em;
  margin: 0 auto;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-faded);
}
.colophon-body p { margin-bottom: 14px; }
.colophon-body em {
  font-family: var(--old);
  color: var(--ink);
}

.colophon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  max-width: 880px;
  margin: 56px auto 0;
  text-align: left;
}
.colophon-grid h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .35em;
  color: var(--vermillion);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.colophon-grid p {
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-faded);
}
.colophon-grid a { color: var(--vermillion); border-bottom: 1px dotted; }

.colophon-sign {
  margin-top: 56px;
  font-family: var(--hand);
  font-size: 36px;
  color: var(--vermillion);
  letter-spacing: .04em;
}
.colophon-sign small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 16px;
}

.colophon-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(60, 35, 12, .25);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .25em;
  color: var(--ink-mute);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ═════════ END-OF-BOOK SEAL (large) ═════════ */
.end-seal {
  width: 180px;
  height: 180px;
  margin: 24px auto;
  background-image: url("./assets/book_waxseal.jpg?v=1777506000");
  background-size: 200% 200%;
  background-position: center;
  border-radius: 50%;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .5));
  transform: rotate(-4deg);
  animation: seal-press 1.2s ease-out;
}
@keyframes seal-press {
  0%   { transform: rotate(-4deg) scale(1.6); opacity: 0; }
  60%  { transform: rotate(-4deg) scale(.92); opacity: 1; }
  100% { transform: rotate(-4deg) scale(1); }
}

/* ═════════════════════════════════════════════════════════
   ARTICLE READING PAGES (book-article-*.html)
   ═════════════════════════════════════════════════════════ */
.book-article {
  max-width: 980px;
  padding: clamp(56px, 7vw, 100px) clamp(36px, 7vw, 110px);
  margin-top: clamp(28px, 4vw, 56px);
  margin-bottom: clamp(28px, 4vw, 56px);
}

.ba-head {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 36px;
  align-items: start;
  margin-bottom: 56px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(60, 35, 12, .35);
  position: relative;
}
.ba-head::after {
  content: "❦";
  position: absolute;
  bottom: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--parchment);
  padding: 0 12px;
  color: var(--vermillion);
  font-family: var(--display);
  font-size: 14px;
}

.ba-head .chap-seal {
  width: 130px; height: 130px;
  background-image: url("./assets/book_waxseal.jpg?v=1777506000");
  background-size: 220% 220%;
  background-position: center;
  border-radius: 50%;
  filter: contrast(1.05) drop-shadow(0 4px 6px rgba(0, 0, 0, .4));
  transform: rotate(-7deg);
}

.ba-titlebox .roman {
  font-family: var(--old);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--vermillion);
  display: block;
  margin-bottom: 12px;
}
.ba-titlebox h1 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 60px);
  color: var(--ink);
  line-height: 1.05;
  letter-spacing: .015em;
  margin-bottom: 14px;
}
.ba-titlebox h1 small {
  display: block;
  font-family: var(--cn);
  font-style: normal;
  font-size: clamp(15px, 1.4vw, 20px);
  color: var(--ink-faded);
  letter-spacing: .12em;
  margin-top: 8px;
  font-weight: 400;
}
.ba-titlebox .ba-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .3em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-top: 18px;
}
.ba-titlebox .ba-meta b {
  color: var(--vermillion);
  font-family: var(--old);
  font-size: 12px;
  letter-spacing: .15em;
}
.ba-titlebox .ba-byline {
  margin-top: 10px;
  font-family: var(--old);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-faded);
  letter-spacing: .04em;
}
.ba-titlebox .ba-byline b {
  color: var(--vermillion);
  font-style: normal;
  font-weight: 600;
  font-family: var(--display);
}

.ba-body {
  font-family: var(--body);
  font-size: 18.5px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 36em;
  margin: 0 auto;
  font-feature-settings: "kern", "liga", "onum";
}

.ba-body > *:first-child::first-letter,
.ba-body > p.lead:first-child::first-letter {
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 4.8em;
  float: left;
  line-height: .85;
  padding: 6px 14px 0 0;
  color: var(--vermillion);
  text-shadow: 1px 1px 0 rgba(255, 220, 160, .35);
}

.ba-body p {
  margin-bottom: 18px;
}

.ba-body h2 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 32px);
  color: var(--ink);
  letter-spacing: .015em;
  margin: 56px 0 20px;
  position: relative;
  padding-left: 0;
}
.ba-body h2::before {
  content: attr(data-no);
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: .35em;
  color: var(--vermillion);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ba-body h3 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 22px;
  color: var(--ink);
  margin: 36px 0 14px;
}

.ba-body em {
  font-family: var(--old);
  font-style: italic;
  color: var(--ink-faded);
}
.ba-body strong {
  font-weight: 700;
  color: var(--ink);
  background: linear-gradient(180deg, transparent 60%, rgba(184, 134, 11, .18) 60%);
  padding: 0 2px;
}

.ba-body a {
  color: var(--vermillion);
  text-decoration: none;
  border-bottom: 1px dotted var(--vermillion-hi);
  transition: background .25s, color .25s;
}
.ba-body a:hover {
  background: rgba(124, 45, 18, .08);
  color: var(--vermillion-hi);
}

.ba-body code {
  font-family: var(--mono);
  font-size: .82em;
  background: rgba(60, 35, 12, .08);
  border: 1px solid rgba(60, 35, 12, .18);
  padding: 1px 6px;
  border-radius: 2px;
  color: var(--ink);
}

.ba-body pre {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  background: linear-gradient(180deg, rgba(40, 25, 10, .06) 0%, rgba(40, 25, 10, .03) 100%);
  border-left: 3px solid var(--vermillion);
  padding: 18px 22px;
  margin: 24px 0;
  overflow-x: auto;
  color: var(--ink-faded);
  position: relative;
}
.ba-body pre::before {
  content: "❦";
  position: absolute;
  top: 8px; right: 10px;
  font-family: var(--display);
  color: var(--gilt-deep);
  font-size: 12px;
  opacity: .5;
}
.ba-body pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.ba-body blockquote {
  margin: 28px 0;
  padding: 4px 26px;
  border-left: 3px solid var(--gilt);
  font-family: var(--old);
  font-style: italic;
  color: var(--ink-faded);
  font-size: 18px;
}

.ba-body hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(60, 35, 12, .35) 30%, var(--vermillion) 50%, rgba(60, 35, 12, .35) 70%, transparent);
  margin: 48px 0;
}

/* "lift" first paragraph if the article uses a regular p instead of .lead */
.ba-body > p:first-child {
  font-size: 1.05em;
  color: var(--ink);
}

/* end seal section */
.ba-end {
  text-align: center;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid rgba(60, 35, 12, .25);
  position: relative;
}
.ba-end::before {
  content: "❦";
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--parchment);
  padding: 0 12px;
  color: var(--vermillion);
  font-family: var(--display);
  font-size: 14px;
}
.ba-end .end-seal {
  width: 130px;
  height: 130px;
  margin: 8px auto 18px;
  animation: none;
  transform: rotate(-3deg);
}
.ba-end-quote {
  font-family: var(--cn);
  font-style: normal;
  font-weight: 500;
  color: var(--vermillion);
  font-size: 19px;
  letter-spacing: .35em;
  text-indent: .35em;
  margin-bottom: 6px;
}
.ba-end-cite {
  display: block;
  font-family: var(--old);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .15em;
  color: var(--ink-mute);
  margin-top: 4px;
  margin-bottom: 18px;
}
.ba-end-cite::before, .ba-end-cite::after {
  content: "—";
  margin: 0 8px;
  color: var(--gilt-deep);
}
.ba-end-by {
  font-family: var(--hand);
  color: var(--vermillion);
  font-size: 28px;
  margin-top: 12px;
}

/* prev / next chapter navigation */
.ba-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(60, 35, 12, .25);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.ba-nav a {
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  border: 0;
}
.ba-nav a:hover { color: var(--vermillion); }
.ba-nav a small {
  font-family: var(--old);
  font-style: italic;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ink-faded);
  text-transform: none;
}
.ba-nav .next  { text-align: right; align-items: flex-end; }
.ba-nav .prev  { text-align: left; }
.ba-nav .home  { font-family: var(--display); font-style: italic; font-size: 16px; color: var(--vermillion); letter-spacing: .04em; text-transform: none; }

/* article-side marginalia (denser than chapter-card marginalia) */
.book-article .marginalia { font-size: 16px; }

/* ═════════ BASTION ARCHIVE ARTICLE INTERIOR ═════════
   Dedicated dark HUD treatment for book article pages. */
body.book-article-page.bastion-cabin {
  --void: #030812;
  --abyss: #071120;
  --deck: rgba(8, 17, 31, .88);
  --deck-strong: rgba(10, 22, 40, .96);
  --frame: rgba(79, 214, 255, .30);
  --frame-strong: rgba(79, 214, 255, .56);
  --cyan: #4fd6ff;
  --cyan-soft: #9de9ff;
  --amber: #ffb500;
  --red: #ff4158;
  --hud-text: #e9f7ff;
  --hud-body: #c7d8e4;
  --hud-dim: #8ca2b3;
  --hud-mute: #5d7284;
  --parchment: var(--deck);
  --parchment-soft: #d9ecf8;
  --parchment-edge: var(--hud-dim);
  --ink: var(--hud-text);
  --ink-faded: var(--hud-dim);
  --ink-mute: var(--hud-mute);
  --gilt: var(--amber);
  --gilt-bright: #ffd36a;
  --gilt-deep: #8a6400;
  --vermillion: var(--amber);
  --vermillion-hi: #ffd36a;
  background:
    linear-gradient(90deg, rgba(79,214,255,.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(79,214,255,.045) 1px, transparent 1px),
    radial-gradient(ellipse 64% 48% at 80% 8%, rgba(79,214,255,.13), transparent 58%),
    radial-gradient(ellipse 46% 50% at 8% 92%, rgba(255,181,0,.10), transparent 60%),
    linear-gradient(180deg, #030812 0%, #071120 46%, #030812 100%);
  background-size: 56px 56px, 56px 56px, auto, auto, auto;
  color: var(--hud-body);
  font-family: var(--cn);
  letter-spacing: 0;
}

body.book-article-page.bastion-cabin *,
body.book-article-page.bastion-cabin *::before,
body.book-article-page.bastion-cabin *::after {
  letter-spacing: 0;
}

body.book-article-page.bastion-cabin::before {
  background:
    radial-gradient(ellipse 70% 44% at 66% 14%, rgba(79,214,255,.10), transparent 58%),
    radial-gradient(ellipse 38% 48% at 8% 76%, rgba(255,181,0,.10), transparent 62%),
    linear-gradient(180deg, rgba(3,8,18,.38), rgba(3,8,18,.92));
  opacity: 1;
}

body.book-article-page.bastion-cabin::after {
  background-image:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(0,0,0,.24) 3px, transparent 4px),
    radial-gradient(1px 1px at 80% 20%, rgba(79,214,255,.72), transparent),
    radial-gradient(1px 1px at 35% 85%, rgba(255,181,0,.68), transparent),
    radial-gradient(1px 1px at 62% 74%, rgba(233,247,255,.48), transparent);
  background-size: auto, auto, auto, auto;
  opacity: .48;
  mix-blend-mode: normal;
  z-index: 90;
}

body.book-article-page.bastion-cabin .vignette {
  background:
    radial-gradient(ellipse at 50% 34%, transparent 46%, rgba(0,0,0,.72) 100%),
    linear-gradient(90deg, rgba(3,8,18,.76), transparent 20%, transparent 80%, rgba(3,8,18,.76));
}

body.book-article-page.bastion-cabin .codex-bar {
  min-height: 50px;
  background: rgba(7, 15, 28, .9);
  border-bottom: 1px solid var(--frame);
  color: var(--hud-dim);
  box-shadow: 0 16px 44px rgba(0,0,0,.32);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

body.book-article-page.bastion-cabin .cb-mark {
  color: var(--hud-text);
  font-family: var(--mono);
  font-style: normal;
  font-weight: 800;
}

body.book-article-page.bastion-cabin .cb-mark .glyph {
  border-radius: 4px;
  border-color: rgba(255,181,0,.8);
  background: rgba(3,8,18,.72);
  color: var(--amber);
  font-family: var(--mono);
  box-shadow: inset 0 0 0 1px rgba(255,181,0,.12), 0 0 20px rgba(255,181,0,.12);
}

body.book-article-page.bastion-cabin .cb-mark b,
body.book-article-page.bastion-cabin .cb-meta b,
body.book-article-page.bastion-cabin .cb-clock {
  color: var(--cyan);
  font-family: var(--mono);
}

body.book-article-page.bastion-cabin .cb-mark .cn,
body.book-article-page.bastion-cabin .cb-meta {
  color: var(--hud-dim);
}

body.book-article-page.bastion-cabin .mode-switch {
  top: 7px;
  border: 1px solid rgba(255,181,0,.78);
  border-radius: 6px;
  background: rgba(7,15,28,.92);
  color: var(--hud-dim);
  box-shadow: 0 18px 44px rgba(0,0,0,.34), 0 0 28px -10px rgba(255,181,0,.66);
  overflow: hidden;
}

body.book-article-page.bastion-cabin .mode-switch::before,
body.book-article-page.bastion-cabin .mode-switch::after {
  display: none;
}

body.book-article-page.bastion-cabin .ms-chip {
  color: var(--hud-dim);
  border-right: 1px solid rgba(79,214,255,.14);
  transition: background .2s ease, color .2s ease;
}

body.book-article-page.bastion-cabin .ms-chip:last-child { border-right: 0; }

body.book-article-page.bastion-cabin .ms-chip:hover {
  color: var(--cyan-soft);
  background: rgba(79,214,255,.08);
}

body.book-article-page.bastion-cabin .ms-chip.ms-active {
  background: var(--amber);
  color: var(--void);
  text-shadow: none;
}

body.book-article-page.bastion-cabin .ms-chip.ms-active::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--red);
  box-shadow: 0 0 8px rgba(255,65,88,.5);
}

body.book-article-page.bastion-cabin .book-article {
  max-width: min(1120px, calc(100vw - 48px));
  margin-top: clamp(34px, 5vw, 72px);
  margin-bottom: clamp(42px, 6vw, 88px);
  padding: clamp(52px, 6vw, 92px) clamp(28px, 6vw, 88px);
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(79,214,255,.07) 0),
    linear-gradient(transparent calc(100% - 1px), rgba(79,214,255,.07) 0),
    linear-gradient(135deg, rgba(79,214,255,.10), transparent 40%),
    rgba(8,16,30,.84);
  background-size: 26px 26px, 26px 26px, auto, auto;
  border: 1px solid var(--frame);
  border-radius: 8px;
  color: var(--hud-body);
  box-shadow:
    inset 2px 0 0 rgba(255,181,0,.72),
    inset 0 1px 0 rgba(255,255,255,.05),
    0 34px 90px -42px rgba(0,0,0,.9),
    0 0 80px -60px rgba(79,214,255,.8);
}

body.book-article-page.bastion-cabin .book-article::before {
  background:
    radial-gradient(ellipse 38% 24% at 10% 16%, rgba(79,214,255,.10), transparent 70%),
    radial-gradient(ellipse 30% 34% at 92% 74%, rgba(255,181,0,.08), transparent 70%),
    linear-gradient(180deg, rgba(255,255,255,.025), transparent 32%, rgba(0,0,0,.16));
}

body.book-article-page.bastion-cabin .book-article::after {
  width: 3px;
  background: linear-gradient(180deg, transparent, var(--amber) 20%, rgba(79,214,255,.36) 70%, transparent);
  box-shadow: 0 0 16px rgba(255,181,0,.28);
}

body.book-article-page.bastion-cabin .ba-head {
  grid-template-columns: minmax(164px, 190px) 1fr;
  gap: 30px;
  border-bottom: 1px solid rgba(79,214,255,.28);
  padding-bottom: 32px;
}

body.book-article-page.bastion-cabin .ba-head::after,
body.book-article-page.bastion-cabin .ba-end::before {
  content: "";
  width: 148px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), var(--cyan), transparent);
  padding: 0;
}

body.book-article-page.bastion-cabin .ba-head::after {
  top: auto;
  bottom: -1px;
}

body.book-article-page.bastion-cabin .ba-end::before {
  top: -1px;
  bottom: auto;
}

body.book-article-page.bastion-cabin .ba-head .chap-seal {
  position: relative;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(79,214,255,.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(79,214,255,.12) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(255,181,0,.22), transparent 52%),
    rgba(3,8,18,.72);
  background-size: 18px 18px, 18px 18px, auto, auto;
  border: 1px solid rgba(255,181,0,.78);
  filter: none;
  transform: none;
  box-shadow: inset 0 0 0 1px rgba(255,181,0,.14), 0 20px 46px rgba(0,0,0,.24);
}

body.book-article-page.bastion-cabin .ba-head .chap-seal::before {
  content: "ARCH";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
  color: var(--amber);
}

body.book-article-page.bastion-cabin .data-array-card {
  position: relative;
  width: min(190px, 100%);
  aspect-ratio: 1;
  margin: 0;
  overflow: hidden;
  align-self: stretch;
  border: 1px solid rgba(79,214,255,.46);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(79,214,255,.14), transparent 42%),
    rgba(3,8,18,.82);
  box-shadow:
    inset 0 0 0 1px rgba(255,181,0,.18),
    inset 0 0 32px rgba(79,214,255,.08),
    0 24px 52px rgba(0,0,0,.32),
    0 0 44px -26px rgba(79,214,255,.9);
}

body.book-article-page.bastion-cabin .data-array-card::before,
body.book-article-page.bastion-cabin .data-array-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

body.book-article-page.bastion-cabin .data-array-card::before {
  inset: 10px;
  border: 1px solid rgba(255,181,0,.34);
  border-radius: 5px;
  box-shadow: 0 0 28px rgba(255,181,0,.12);
}

body.book-article-page.bastion-cabin .data-array-card::after {
  inset: 0;
  background:
    linear-gradient(180deg, transparent 0 48%, rgba(159,241,255,.2) 50%, transparent 52%),
    repeating-linear-gradient(180deg, rgba(255,255,255,.06) 0 1px, transparent 1px 5px);
  opacity: .36;
  mix-blend-mode: screen;
}

body.book-article-page.bastion-cabin .data-array-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.012);
}

body.book-article-page.bastion-cabin .data-array-card figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding: 6px 8px;
  border: 1px solid rgba(255,181,0,.38);
  background: rgba(3,8,18,.72);
  color: var(--amber);
  font: 800 10px/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  box-shadow: 0 0 20px rgba(79,214,255,.12);
}

body.book-article-page.bastion-cabin .ba-titlebox .roman,
body.book-article-page.bastion-cabin .ba-titlebox .ba-meta,
body.book-article-page.bastion-cabin .ba-body h2::before,
body.book-article-page.bastion-cabin .ba-end-cite,
body.book-article-page.bastion-cabin .ba-nav {
  font-family: var(--mono);
  color: var(--amber);
}

body.book-article-page.bastion-cabin .ba-titlebox h1 {
  font-family: var(--mono);
  font-style: normal;
  font-weight: 900;
  font-size: clamp(32px, 4.2vw, 58px);
  color: var(--hud-text);
  text-shadow:
    1px 0 0 rgba(79,214,255,.38),
    -1px 0 0 rgba(255,65,88,.18),
    0 0 32px rgba(79,214,255,.16);
}

body.book-article-page.bastion-cabin .ba-titlebox h1 small {
  color: var(--cyan-soft);
  font-family: var(--cn);
  font-size: clamp(15px, 1.35vw, 19px);
  margin-top: 12px;
}

body.book-article-page.bastion-cabin .ba-titlebox .ba-meta b,
body.book-article-page.bastion-cabin .ba-titlebox .ba-byline b {
  color: var(--cyan);
  font-family: var(--mono);
}

body.book-article-page.bastion-cabin .ba-titlebox .ba-byline {
  color: var(--hud-dim);
  font-family: var(--mono);
  font-style: normal;
}

body.book-article-page.bastion-cabin .ba-body {
  max-width: 44em;
  color: var(--hud-body);
  font-family: var(--cn);
  font-size: 17.5px;
  line-height: 1.86;
}

body.book-article-page.bastion-cabin .ba-body > *:first-child::first-letter,
body.book-article-page.bastion-cabin .ba-body > p.lead:first-child::first-letter {
  float: none;
  font-size: inherit;
  line-height: inherit;
  padding: 0;
  color: inherit;
  text-shadow: none;
  font-family: inherit;
  font-style: inherit;
  font-weight: inherit;
}

body.book-article-page.bastion-cabin .ba-body > p:first-child {
  padding: 18px 20px;
  margin-bottom: 28px;
  border: 1px solid rgba(79,214,255,.24);
  border-left: 3px solid var(--amber);
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(79,214,255,.08), rgba(255,181,0,.04));
  color: var(--hud-text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

body.book-article-page.bastion-cabin .ba-body p {
  margin-bottom: 18px;
}

body.book-article-page.bastion-cabin .ba-body h2 {
  color: var(--hud-text);
  font-family: var(--mono);
  font-style: normal;
  font-size: clamp(22px, 2.3vw, 30px);
  margin-top: 58px;
  padding-top: 18px;
  border-top: 1px solid rgba(79,214,255,.18);
}

body.book-article-page.bastion-cabin .ba-body h3 {
  color: var(--hud-text);
  font-family: var(--mono);
  font-style: normal;
}

body.book-article-page.bastion-cabin .ba-body em {
  color: var(--cyan-soft);
  font-family: var(--cn);
}

body.book-article-page.bastion-cabin .ba-body strong {
  color: var(--hud-text);
  background: linear-gradient(180deg, transparent 58%, rgba(255,181,0,.24) 58%);
}

body.book-article-page.bastion-cabin .ba-body a {
  color: var(--amber);
  border-bottom: 1px solid rgba(255,181,0,.45);
}

body.book-article-page.bastion-cabin .ba-body a:hover {
  background: rgba(255,181,0,.10);
  color: #ffd36a;
}

body.book-article-page.bastion-cabin .ba-body code {
  background: rgba(3,8,18,.72);
  border-color: rgba(79,214,255,.30);
  color: var(--cyan-soft);
}

body.book-article-page.bastion-cabin .ba-body pre {
  background:
    linear-gradient(90deg, rgba(79,214,255,.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(79,214,255,.06) 1px, transparent 1px),
    rgba(3,8,18,.74);
  background-size: 20px 20px, 20px 20px, auto;
  border: 1px solid rgba(79,214,255,.28);
  border-left: 3px solid var(--amber);
  border-radius: 6px;
  color: #d8ecf8;
}

body.book-article-page.bastion-cabin .ba-body pre::before {
  content: "LOCAL TRACE";
  color: var(--amber);
  font-family: var(--mono);
  font-size: 10px;
}

body.book-article-page.bastion-cabin .ba-body blockquote {
  border-left-color: var(--amber);
  color: var(--hud-text);
  background: rgba(79,214,255,.06);
}

body.book-article-page.bastion-cabin .ba-end {
  border-top-color: rgba(79,214,255,.24);
}

body.book-article-page.bastion-cabin .ba-end .end-seal {
  width: 108px;
  height: 108px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,181,0,.24), transparent 52%),
    linear-gradient(90deg, rgba(79,214,255,.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(79,214,255,.12) 1px, transparent 1px),
    rgba(3,8,18,.72);
  background-size: auto, 18px 18px, 18px 18px, auto;
  border: 1px solid rgba(255,181,0,.78);
  filter: none;
  transform: none;
}

body.book-article-page.bastion-cabin .ba-end-quote {
  color: var(--amber);
  font-family: var(--cn);
  font-size: 18px;
}

body.book-article-page.bastion-cabin .ba-end-by {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 16px;
}

body.book-article-page.bastion-cabin .ba-nav {
  border-top-color: rgba(79,214,255,.24);
  color: var(--hud-mute);
}

body.book-article-page.bastion-cabin .ba-nav a {
  color: var(--hud-text);
}

body.book-article-page.bastion-cabin .ba-nav a small {
  color: var(--cyan);
  font-family: var(--mono);
  font-style: normal;
}

body.book-article-page.bastion-cabin .ba-nav a:hover,
body.book-article-page.bastion-cabin .ba-nav .home {
  color: var(--amber);
}

body.book-article-page.bastion-cabin .ba-nav-empty {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: rgba(150, 178, 190, .52);
  font: 700 10px/1.3 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}

body.book-article-page.bastion-cabin .marginalia {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--cyan-soft);
  background: rgba(3,8,18,.86);
  border: 1px solid rgba(79,214,255,.34);
  border-left: 2px solid var(--amber);
  box-shadow: 0 18px 42px rgba(0,0,0,.24);
  border-radius: 6px;
  transform: none;
}

body.book-article-page.bastion-cabin .marginalia:hover {
  transform: translateY(-2px);
}

body.book-article-page.bastion-cabin .marginalia.hand-2,
body.book-article-page.bastion-cabin .marginalia.hand-3 {
  font-family: var(--mono);
  color: var(--cyan-soft);
  font-size: 12px;
}

body.book-article-page.bastion-cabin .read-ribbon {
  background: rgba(3,8,18,.68);
  border: 1px solid rgba(79,214,255,.28);
  box-shadow: 0 0 24px rgba(79,214,255,.10);
}

body.book-article-page.bastion-cabin .read-ribbon::before {
  display: none;
}

body.book-article-page.bastion-cabin .read-ribbon-fill {
  background: linear-gradient(180deg, var(--amber), var(--cyan));
}

body.book-article-page.bastion-cabin .read-ribbon-pct {
  color: var(--amber);
}

@media (max-width: 900px) {
  .ba-head { grid-template-columns: 90px 1fr; gap: 18px; }
  .ba-head .chap-seal { width: 90px; height: 90px; }
  .ba-body { font-size: 17px; }
  .book-article { padding: 48px 24px; }
  .ba-nav { grid-template-columns: 1fr; text-align: center; }
  .ba-nav .next, .ba-nav .prev { text-align: center; align-items: center; }
  body.book-article-page.bastion-cabin .book-article {
    max-width: calc(100vw - 24px);
    padding: 42px 22px;
    margin-top: 132px;
  }
  body.book-article-page.bastion-cabin .ba-head {
    grid-template-columns: 1fr;
  }
  body.book-article-page.bastion-cabin .ba-head .chap-seal {
    width: 84px;
    height: 84px;
  }
  body.book-article-page.bastion-cabin .data-array-card {
    width: min(220px, 64vw);
    justify-self: start;
  }
  body.book-article-page.bastion-cabin .mode-switch {
    top: 68px;
    width: min(420px, calc(100vw - 40px));
    justify-content: stretch;
  }
  body.book-article-page.bastion-cabin .ms-chip {
    flex: 1 1 0;
    justify-content: center;
    padding: 9px 6px;
    gap: 5px;
  }
  body.book-article-page.bastion-cabin .codex-bar {
    min-height: 62px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
}

@media (max-width: 560px) {
  body.book-article-page.bastion-cabin .mode-switch {
    top: 74px;
    width: min(340px, calc(100vw - 48px));
    font-size: 10px;
  }
  body.book-article-page.bastion-cabin .ms-chip {
    padding: 10px 4px;
  }
  body.book-article-page.bastion-cabin .book-article {
    margin-top: 142px;
  }
}

/* ═════════ READING PROGRESS RIBBON (right edge) ═════════ */
.read-ribbon {
  position: fixed;
  top: 60px; right: 18px;
  z-index: 50;
  width: 14px;
  height: calc(100vh - 120px);
  background: linear-gradient(180deg, var(--ribbon-red), #4a1209);
  border-radius: 1px;
  box-shadow:
    inset 1px 0 0 rgba(0,0,0,.4),
    inset -1px 0 0 rgba(255,180,160,.18),
    1px 2px 4px rgba(0,0,0,.5);
}
.read-ribbon::before {
  content: "";
  position: absolute;
  bottom: -7px; left: 0; right: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid #2c0a06;
}
.read-ribbon-fill {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: linear-gradient(180deg, var(--gilt-bright), var(--gilt));
  height: 0%;
  transition: height .15s linear;
  box-shadow: 0 0 8px rgba(184, 134, 11, .4);
}
.read-ribbon-pct {
  position: absolute;
  top: -22px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .15em;
  color: var(--gilt);
  white-space: nowrap;
}

/* ═════════ REVEAL ANIMATION ═════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.22, .61, .36, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ═════════ RESPONSIVE ═════════ */
@media (max-width: 900px) {
  .cover-text { width: 100%; padding: 0 var(--pad-x); top: 30%; }
  .tome { left: 50%; top: 75%; width: 60vw; }
  .corner { display: none; }
  .read-ribbon { display: none; }
  .chap-head { grid-template-columns: 80px 1fr; gap: 16px; }
  .chap-seal { width: 80px; height: 80px; }
  .chap-body { padding-left: 0; }
  .chap-cta { margin-left: 0; }
  .ephemera-band { display: flex; flex-direction: column; gap: 24px; }
  .eph-note, .eph-ticket, .eph-specimens { grid-column: auto; transform: none; margin-top: 0; }
  .marginalia { display: none; }
  .mode-switch { top: 8px; font-size: 9px; padding: 2px; }
  .ms-chip { padding: 6px 11px; }
  .codex-bar { grid-template-columns: auto 1fr auto; gap: 14px; }
  .codex-bar .cb-meta:nth-of-type(2) { display: none; }
  .codex-bar .cb-clock { display: none; }
}

@media (max-width: 560px) {
  .cover-title { font-size: 14vw; }
  .tome { width: 70vw; top: 70%; }
  .open-hint { font-size: 11px; bottom: 18px; }
}

/* ═════════════════════════════════════════════════════════
   BOOK LIBRARY INDEX
   ═════════════════════════════════════════════════════════ */
.book-library {
  background:
    radial-gradient(ellipse 70% 42% at 74% 12%, rgba(184, 134, 11, .18), transparent 58%),
    radial-gradient(ellipse 54% 64% at 6% 86%, rgba(31, 58, 54, .24), transparent 62%),
    var(--leather-dark);
}

.library-stage {
  position: relative;
  min-height: calc(100vh - 58px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, .98fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  padding: clamp(80px, 9vw, 132px) var(--pad-x) clamp(64px, 7vw, 96px);
  overflow: hidden;
  isolation: isolate;
}

.library-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(184,134,11,.08) 1px, transparent 1px),
    linear-gradient(rgba(184,134,11,.06) 1px, transparent 1px),
    radial-gradient(ellipse 55% 42% at 48% 50%, transparent 0 55%, rgba(0,0,0,.32) 100%);
  background-size: 72px 72px, 72px 72px, auto;
  opacity: .38;
  pointer-events: none;
  z-index: 0;
}

.library-stage > * {
  position: relative;
  z-index: 1;
}

.library-hero {
  max-width: 720px;
}

.library-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 26px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--parchment-edge);
}

.library-kicker span {
  border: 1px solid rgba(184, 134, 11, .55);
  padding: 6px 10px;
  background: rgba(26, 15, 8, .72);
  box-shadow: 3px 3px 0 rgba(0,0,0,.28);
}

.library-hero h1 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(56px, 9vw, 128px);
  line-height: .88;
  letter-spacing: 0;
  color: var(--gilt-bright);
  text-shadow:
    0 1px 0 rgba(0,0,0,.7),
    0 0 32px rgba(184,134,11,.28);
}

.library-hero h1 small {
  display: block;
  margin-top: 18px;
  font-family: var(--cn);
  font-style: normal;
  font-weight: 400;
  font-size: clamp(18px, 2vw, 30px);
  line-height: 1.35;
  letter-spacing: .18em;
  color: var(--parchment);
}

.library-lead {
  max-width: 42em;
  margin-top: 32px;
  font-family: var(--cn);
  font-size: clamp(16px, 1.38vw, 20px);
  line-height: 1.78;
  color: var(--parchment-soft);
}

.library-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.library-primary,
.library-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--gilt);
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  transition: transform .25s, background .25s, color .25s, border-color .25s;
}

.library-primary {
  background: linear-gradient(180deg, var(--gilt-bright), var(--gilt));
  color: var(--leather-dark);
}

.library-secondary {
  color: var(--gilt-bright);
  background: rgba(26,15,8,.52);
}

.library-primary:hover,
.library-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--parchment);
}

.library-ledger {
  display: grid;
  gap: 18px;
}

.spread-frame {
  border: 1px solid rgba(184,134,11,.62);
  background:
    linear-gradient(135deg, rgba(255,230,168,.12), transparent 38%),
    rgba(26,15,8,.68);
  padding: 12px;
  box-shadow:
    0 34px 72px -28px rgba(0,0,0,.9),
    0 0 0 1px rgba(255,230,168,.08) inset;
  transform: rotate(.8deg);
}

.spread-image {
  min-height: clamp(260px, 31vw, 430px);
  background-image:
    linear-gradient(90deg, rgba(26,15,8,.28), transparent 25%, transparent 75%, rgba(26,15,8,.32)),
    url("./assets/book_spread.jpg?v=1777506000");
  background-size: cover;
  background-position: center;
  filter: saturate(.86) contrast(1.05);
}

.data-ledger {
  gap: 14px;
}

.data-matrix-console {
  position: relative;
  overflow: hidden;
  min-height: clamp(430px, 38vw, 600px);
  display: grid;
  grid-template-rows: auto minmax(108px, .5fr) auto auto;
  gap: 14px;
  border: 1px solid rgba(184,134,11,.62);
  background:
    linear-gradient(90deg, rgba(184,134,11,.08) 1px, transparent 1px),
    linear-gradient(rgba(184,134,11,.06) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 30%, rgba(212,165,52,.16), transparent 56%),
    rgba(26,15,8,.72);
  background-size: 28px 28px, 28px 28px, auto, auto;
  padding: clamp(14px, 1.7vw, 22px);
  box-shadow:
    0 34px 72px -28px rgba(0,0,0,.9),
    inset 0 0 0 1px rgba(255,230,168,.08);
}

.data-matrix-console::before,
.data-matrix-console::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.data-matrix-console::before {
  inset: 12px;
  border: 1px solid rgba(184,134,11,.24);
  background:
    repeating-linear-gradient(0deg, rgba(255,230,168,.045) 0 1px, transparent 1px 9px);
}

.data-matrix-console::after {
  left: 12%;
  right: 12%;
  top: 44%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,165,52,.62), transparent);
  box-shadow:
    0 -62px 0 rgba(184,134,11,.16),
    0 62px 0 rgba(184,134,11,.12);
}

.data-matrix-console > * {
  position: relative;
  z-index: 1;
}

.data-matrix-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--parchment-edge);
}

.data-matrix-head b {
  color: var(--gilt-bright);
}

.data-matrix-visual {
  position: relative;
  min-height: 128px;
  border: 1px solid rgba(184,134,11,.32);
  background:
    radial-gradient(circle at 50% 50%, rgba(212,165,52,.18), transparent 44%),
    linear-gradient(90deg, transparent 49%, rgba(212,165,52,.34) 50%, transparent 51%),
    rgba(20,12,6,.46);
  transform: perspective(900px) rotateX(9deg);
  box-shadow: inset 0 0 48px rgba(0,0,0,.36);
}

.data-plane {
  position: absolute;
  inset: 18% 9%;
  border: 1px solid rgba(212,165,52,.34);
  background:
    linear-gradient(90deg, rgba(212,165,52,.12) 1px, transparent 1px),
    linear-gradient(rgba(212,165,52,.10) 1px, transparent 1px);
  background-size: 34px 34px;
  clip-path: polygon(6% 0, 94% 0, 100% 52%, 86% 100%, 14% 100%, 0 52%);
}

.data-spine {
  position: absolute;
  left: 16%;
  right: 16%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(212,165,52,.76), transparent);
}

.data-spine.spine-a {
  transform: rotate(18deg);
}

.data-spine.spine-b {
  transform: rotate(-18deg);
}

.data-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(212,165,52,.72);
  border-radius: 50%;
  background: rgba(26,15,8,.82);
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--gilt-bright);
  box-shadow:
    0 0 0 12px rgba(212,165,52,.08),
    0 0 42px rgba(212,165,52,.22);
}

.data-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.data-node {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / .82;
  min-height: 86px;
  display: grid;
  align-content: end;
  justify-items: start;
  gap: 4px;
  padding: 12px;
  border: 1px solid rgba(184,134,11,.34);
  background:
    linear-gradient(135deg, rgba(212,165,52,.12), transparent 48%),
    rgba(26,15,8,.74);
  color: var(--parchment);
  cursor: pointer;
  text-align: left;
  font: inherit;
  appearance: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.data-node::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 38%, rgba(255,230,168,.18) 46%, transparent 54% 100%);
  transform: translateX(-120%);
  transition: transform .36s ease;
}

.data-node i {
  position: absolute;
  left: 12px;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gilt-bright);
  box-shadow: 0 0 16px rgba(212,165,52,.62);
}

.data-node b {
  font-family: var(--mono);
  font-size: clamp(20px, 2.8vw, 32px);
  line-height: .92;
  color: var(--gilt-bright);
}

.data-node small {
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--parchment-edge);
}

.data-node:hover,
.data-node:focus-visible,
.data-node.is-active {
  transform: translateY(-2px);
  border-color: rgba(212,165,52,.88);
  box-shadow:
    inset 0 0 0 1px rgba(212,165,52,.24),
    0 16px 30px rgba(0,0,0,.28);
  outline: none;
}

.data-node:hover::after,
.data-node:focus-visible::after,
.data-node.is-active::after {
  transform: translateX(120%);
}

.data-node.cyan i { background: #4fd6ff; }
.data-node.cyan b { color: #8ce5ff; }
.data-node.amber i { background: var(--gilt-bright); }
.data-node.amber b { color: var(--gilt-bright); }
.data-node.green i { background: #7ce0a3; }
.data-node.green b { color: #7ce0a3; }
.data-node.violet i { background: #c6a3ff; }
.data-node.violet b { color: #c6a3ff; }
.data-node.blue i { background: #8db2ff; }
.data-node.blue b { color: #8db2ff; }

.data-node.locked {
  opacity: .62;
  border-style: dashed;
  filter: saturate(.65);
}

.data-matrix-readout {
  border: 1px solid rgba(184,134,11,.34);
  background:
    linear-gradient(135deg, rgba(255,230,168,.10), transparent 48%),
    rgba(20,12,6,.68);
  padding: 16px;
  transition: opacity .18s ease, transform .18s ease;
}

.data-matrix-readout.is-switching {
  animation: data-readout-flash .28s ease;
}

@keyframes data-readout-flash {
  0% { opacity: .58; transform: translateY(3px); }
  100% { opacity: 1; transform: none; }
}

.data-matrix-readout h3 {
  margin-top: 4px;
  font-family: var(--cn);
  font-size: clamp(20px, 2.2vw, 30px);
  color: var(--parchment);
}

.data-matrix-readout dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.data-matrix-readout dl div {
  min-height: 64px;
  border: 1px solid rgba(184,134,11,.22);
  padding: 10px;
  background: rgba(26,15,8,.42);
}

.data-matrix-readout dt {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  color: var(--parchment-edge);
}

.data-matrix-readout dd {
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--gilt-bright);
}

.data-matrix-readout p {
  margin-top: 13px;
  font-family: var(--cn);
  font-size: 14px;
  line-height: 1.7;
  color: var(--parchment-soft);
}

.library-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.library-stats div {
  border: 1px solid rgba(184,134,11,.42);
  background: rgba(26,15,8,.66);
  padding: 16px;
  min-height: 112px;
}

.library-stats dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--parchment-edge);
  text-transform: uppercase;
}

.library-stats dd {
  margin-top: 8px;
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(34px, 4vw, 54px);
  line-height: .9;
  color: var(--gilt-bright);
}

.library-stats span {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.library-stage .open-hint {
  bottom: 24px;
}

.library-page {
  max-width: 1240px;
  margin-bottom: clamp(26px, 4vw, 54px);
  scroll-margin-top: 86px;
}

.library-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .48fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(60, 35, 12, .32);
}

.section-overline {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--vermillion);
}

.library-section-head h2 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(36px, 4.8vw, 68px);
  line-height: 1;
  letter-spacing: 0;
  color: var(--ink);
}

.library-section-head h2 i {
  display: block;
  margin-top: 8px;
  font-family: var(--old);
  font-size: .34em;
  font-weight: 400;
  color: var(--ink-faded);
  letter-spacing: .05em;
}

.library-section-head p {
  font-family: var(--cn);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-faded);
}

.library-section-head.compact {
  grid-template-columns: 1fr;
  max-width: 760px;
}

.shelf-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 28px;
}

.filter-chip {
  appearance: none;
  border: 1px solid rgba(60,35,12,.46);
  background: rgba(232,220,196,.38);
  color: var(--ink);
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, color .25s, transform .25s, border-color .25s;
}

.filter-chip:hover {
  transform: translateY(-2px);
  border-color: var(--vermillion);
}

.filter-chip.is-active {
  background: var(--ink);
  color: var(--parchment);
  border-color: var(--ink);
}

.shelf-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.shelf-count b {
  color: var(--vermillion);
  font-size: 12px;
}

.article-shelf {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.article-card {
  min-height: 318px;
  border: 1px solid rgba(60,35,12,.56);
  background:
    linear-gradient(180deg, rgba(255,248,224,.55), transparent 52%),
    rgba(216,201,168,.58);
  color: var(--ink);
  padding: 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 5px 5px 0 rgba(60,35,12,.14);
  transition: transform .28s cubic-bezier(.22,.61,.36,1), box-shadow .28s, background .28s;
}

.article-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(60,35,12,.09) 0),
    linear-gradient(transparent calc(100% - 1px), rgba(60,35,12,.09) 0);
  background-size: 20px 20px;
  opacity: .32;
  pointer-events: none;
}

.article-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: 16px;
  width: 42px;
  height: 7px;
  background: var(--vermillion);
  opacity: .72;
}

.article-card > * {
  position: relative;
  z-index: 1;
}

.article-card[href]:hover {
  transform: translateY(-5px);
  box-shadow: 9px 9px 0 rgba(60,35,12,.18);
  background:
    linear-gradient(180deg, rgba(255,250,232,.76), transparent 52%),
    rgba(232,220,196,.72);
}

.article-no,
.article-status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.article-no {
  color: var(--vermillion);
  font-weight: 700;
}

.article-status {
  width: fit-content;
  margin-top: 9px;
  border: 1px solid rgba(60,35,12,.42);
  padding: 4px 7px;
  color: var(--ink-mute);
}

.article-card h3 {
  margin-top: 26px;
  font-family: var(--cn);
  font-weight: 560;
  font-size: clamp(20px, 1.75vw, 27px);
  line-height: 1.28;
  letter-spacing: 0;
  color: var(--ink);
}

.article-en {
  margin-top: 8px;
  font-family: var(--old);
  font-style: italic;
  font-size: 15px;
  line-height: 1.35;
  color: var(--ink-faded);
}

.article-desc {
  margin-top: 16px;
  font-family: var(--cn);
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--ink-faded);
}

.article-meta-line {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.article-card-draft {
  opacity: .68;
  box-shadow: none;
}

.article-card-draft .article-status {
  color: var(--parchment);
  background: var(--ink-mute);
}

.article-card[hidden] {
  display: none;
}

.reading-routes {
  background-color: var(--parchment-soft);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.route-card {
  min-height: 230px;
  border: 1px solid rgba(60,35,12,.48);
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(255,250,232,.45), transparent 48%),
    rgba(232,220,196,.5);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: transform .28s, box-shadow .28s, background .28s;
}

.route-card:hover {
  transform: translateY(-4px);
  box-shadow: 7px 7px 0 rgba(60,35,12,.15);
  background:
    linear-gradient(135deg, rgba(255,250,232,.68), transparent 48%),
    rgba(232,220,196,.66);
}

.route-card span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--vermillion);
}

.route-card h3 {
  margin-top: 30px;
  font-family: var(--cn);
  font-size: 23px;
  line-height: 1.3;
  letter-spacing: 0;
}

.route-card p {
  margin-top: 14px;
  font-family: var(--cn);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-faded);
}

.library-colophon {
  margin-bottom: clamp(42px, 6vw, 88px);
}

.library-colophon .colophon-bottom {
  justify-content: center;
}

@media (max-width: 1120px) {
  .library-stage {
    grid-template-columns: 1fr;
  }

  .library-ledger {
    max-width: 780px;
  }

  .article-shelf {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .library-stage {
    min-height: auto;
    padding-top: 86px;
  }

  .library-kicker {
    letter-spacing: .14em;
  }

  .library-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .library-primary,
  .library-secondary {
    width: 100%;
  }

  .library-stats,
  .library-section-head,
  .article-shelf,
  .route-grid {
    grid-template-columns: 1fr;
  }

  .data-matrix-console {
    min-height: auto;
  }

  .data-matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .data-node {
    min-height: 94px;
  }

  .data-matrix-readout dl {
    grid-template-columns: 1fr;
  }

  .spread-image {
    min-height: 220px;
  }

  .shelf-count {
    width: 100%;
    margin-left: 0;
  }

  .article-card,
  .route-card {
    min-height: 0;
  }
}

/* ═════════════════════════════════════════════════════════
   BASTION CABIN OVERRIDE: ARCHIVE BAY
   ═════════════════════════════════════════════════════════ */
.book-library.bastion-cabin {
  --void:        #03060d;
  --abyss:       #07101e;
  --steel:       #121c2e;
  --steel-2:     #1a2740;
  --frame:       #2c3d56;
  --line:        #1f2c42;
  --hud-text:    #d6dee8;
  --hud-dim:     #7a8aa0;
  --hud-mute:    #46556a;
  --amber:       #ffb500;
  --amber-soft:  #ffce4d;
  --cyan:        #4fd6ff;
  --cyan-soft:   #8ce5ff;
  --green:       #00ff88;
  --red:         #ff2c4a;
  --leather-dark: var(--void);
  --leather:      var(--abyss);
  --gilt:         var(--amber);
  --gilt-bright:  var(--amber-soft);
  --parchment:    var(--steel);
  --parchment-soft: var(--steel-2);
  --parchment-edge: var(--hud-dim);
  --ink:          var(--hud-text);
  --ink-faded:    var(--hud-dim);
  --ink-mute:     var(--hud-mute);
  --vermillion:   var(--amber);
  background: var(--void);
  color: var(--hud-text);
  font-family: var(--cn);
}

.book-library.bastion-cabin::before {
  background:
    radial-gradient(ellipse 70% 42% at 74% 12%, rgba(79,214,255,.10), transparent 58%),
    radial-gradient(ellipse 54% 64% at 6% 86%, rgba(255,181,0,.09), transparent 62%),
    linear-gradient(180deg, #03060d 0%, #07101e 48%, #03060d 100%);
}

.book-library.bastion-cabin::after {
  background-image:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(0,0,0,.2) 3px, transparent 4px),
    radial-gradient(1px 1px at 80% 20%, var(--cyan), transparent),
    radial-gradient(1px 1px at 35% 85%, var(--amber), transparent),
    radial-gradient(1.5px 1.5px at 60% 75%, var(--hud-text), transparent);
  background-size: auto, auto, auto, auto;
  opacity: .52;
  mix-blend-mode: multiply;
}

.book-library.bastion-cabin .vignette {
  background: radial-gradient(ellipse at 50% 42%, transparent 52%, rgba(0,0,0,.68) 100%);
}

.book-library.bastion-cabin .codex-bar {
  background: rgba(8,16,30,.88);
  border-bottom: 1px solid var(--frame);
  color: var(--hud-dim);
  box-shadow: none;
}

.book-library.bastion-cabin .cb-mark {
  color: var(--hud-text);
  font-family: var(--mono);
  font-style: normal;
}

.book-library.bastion-cabin .cb-mark .glyph {
  border-radius: 0;
  border-color: var(--amber);
  background: var(--abyss);
  color: var(--amber);
  font-family: var(--mono);
  box-shadow: none;
}

.book-library.bastion-cabin .cb-mark b {
  font-family: var(--mono);
  color: var(--hud-text);
}

.book-library.bastion-cabin .cb-mark .cn,
.book-library.bastion-cabin .cb-meta,
.book-library.bastion-cabin .cb-clock {
  color: var(--hud-dim);
}

.book-library.bastion-cabin .cb-meta b,
.book-library.bastion-cabin .cb-clock {
  color: var(--cyan);
}

.book-library.bastion-cabin .mode-switch {
  background: rgba(8,16,30,.94);
  border: 1px solid var(--amber);
  color: var(--hud-dim);
  box-shadow: 0 0 32px -6px var(--amber), 0 0 0 1px rgba(255,181,0,.16);
}

.book-library.bastion-cabin .mode-switch::before,
.book-library.bastion-cabin .mode-switch::after {
  border-color: var(--amber);
}

.book-library.bastion-cabin .ms-chip {
  color: var(--hud-dim);
}

.book-library.bastion-cabin .ms-chip:hover {
  color: var(--amber);
}

.book-library.bastion-cabin .ms-chip.ms-active {
  background: var(--amber);
  color: var(--void);
  text-shadow: none;
}

.book-library.bastion-cabin .library-stage {
  background:
    linear-gradient(transparent 96%, rgba(79,214,255,.14) 100%),
    linear-gradient(90deg, transparent 96%, rgba(79,214,255,.10) 100%),
    radial-gradient(ellipse at 78% 30%, rgba(79,214,255,.12), transparent 48%),
    radial-gradient(ellipse at 16% 86%, rgba(255,181,0,.10), transparent 42%),
    var(--void);
  background-size: 44px 44px, 44px 44px, auto, auto, auto;
}

.book-library.bastion-cabin .library-stage .library-reveal.reveal {
  opacity: 1;
  transform: none;
}

.book-library.bastion-cabin .library-stage::before {
  background:
    linear-gradient(90deg, rgba(79,214,255,.10) 1px, transparent 1px),
    linear-gradient(rgba(79,214,255,.08) 1px, transparent 1px),
    radial-gradient(ellipse 55% 42% at 48% 50%, transparent 0 55%, rgba(0,0,0,.36) 100%);
  background-size: 88px 88px, 88px 88px, auto;
}

.book-library.bastion-cabin .library-kicker span,
.book-library.bastion-cabin .library-stats div,
.book-library.bastion-cabin .spread-frame,
.book-library.bastion-cabin .page,
.book-library.bastion-cabin .article-card,
.book-library.bastion-cabin .route-card {
  background:
    linear-gradient(135deg, rgba(79,214,255,.08), transparent 42%),
    rgba(8,16,30,.82);
  border: 1px solid var(--frame);
  box-shadow: inset 2px 0 0 rgba(255,181,0,.62), 0 24px 64px -40px rgba(0,0,0,.9);
  color: var(--hud-text);
}

.book-library.bastion-cabin .library-hero {
  max-width: 850px;
}

.book-library.bastion-cabin .library-ledger {
  opacity: .96;
}

.book-library.bastion-cabin .page {
  background-image:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(79,214,255,.07) 0),
    linear-gradient(transparent calc(100% - 1px), rgba(79,214,255,.07) 0),
    linear-gradient(135deg, rgba(79,214,255,.08), transparent 42%);
  background-size: 22px 22px, 22px 22px, auto;
}

.book-library.bastion-cabin .page::before {
  background:
    radial-gradient(ellipse 30% 20% at 12% 18%, rgba(79,214,255,.09), transparent 70%),
    radial-gradient(ellipse 25% 30% at 88% 75%, rgba(255,181,0,.08), transparent 70%);
}

.book-library.bastion-cabin .page::after {
  background: linear-gradient(90deg, rgba(255,181,0,.22), transparent);
}

.book-library.bastion-cabin .library-hero h1,
.book-library.bastion-cabin .library-hero h1 small,
.book-library.bastion-cabin .library-section-head h2,
.book-library.bastion-cabin .article-card h3,
.book-library.bastion-cabin .route-card h3,
.book-library.bastion-cabin .colophon h3 {
  color: var(--hud-text);
  letter-spacing: 0;
}

.book-library.bastion-cabin .library-hero h1 {
  font-family: var(--mono);
  font-style: normal;
  color: #edf8ff;
  text-shadow:
    1px 0 0 var(--cyan),
    -1px 0 0 var(--red),
    0 0 24px rgba(79,214,255,.22),
    0 0 38px rgba(255,181,0,.18);
}

.book-library.bastion-cabin .library-hero h1 small,
.book-library.bastion-cabin .section-overline,
.book-library.bastion-cabin .library-stats dd,
.book-library.bastion-cabin .article-no,
.book-library.bastion-cabin .route-card span,
.book-library.bastion-cabin .colophon .cn,
.book-library.bastion-cabin .shelf-count b {
  color: var(--amber);
}

.book-library.bastion-cabin .library-lead,
.book-library.bastion-cabin .library-section-head p,
.book-library.bastion-cabin .article-en,
.book-library.bastion-cabin .article-desc,
.book-library.bastion-cabin .article-meta-line,
.book-library.bastion-cabin .route-card p,
.book-library.bastion-cabin .colophon-body,
.book-library.bastion-cabin .colophon-grid p {
  color: var(--hud-dim);
}

.book-library.bastion-cabin .library-lead {
  color: #c4d3df;
  border-left: 2px solid rgba(255,181,0,.72);
  padding-left: 18px;
  text-shadow: 0 0 18px rgba(79,214,255,.12);
}

.book-library.bastion-cabin .library-actions {
  position: relative;
  z-index: 2;
}

.book-library.bastion-cabin .library-primary,
.book-library.bastion-cabin .filter-chip.is-active {
  background: var(--amber);
  color: var(--void);
  border-color: var(--amber);
}

.book-library.bastion-cabin .library-secondary,
.book-library.bastion-cabin .filter-chip,
.book-library.bastion-cabin .article-status {
  background: rgba(79,214,255,.08);
  border-color: var(--frame);
  color: var(--cyan-soft);
}

.book-library.bastion-cabin .article-card::before {
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(79,214,255,.08) 0),
    linear-gradient(transparent calc(100% - 1px), rgba(79,214,255,.08) 0);
}

.book-library.bastion-cabin .article-card::after {
  background: var(--amber);
}

.book-library.bastion-cabin .article-card[href]:hover,
.book-library.bastion-cabin .route-card:hover {
  background:
    linear-gradient(135deg, rgba(79,214,255,.12), transparent 42%),
    rgba(12,27,50,.9);
  box-shadow: inset 2px 0 0 var(--amber), 0 30px 70px -42px rgba(79,214,255,.38);
}

.book-library.bastion-cabin .article-card-draft .article-status {
  background: rgba(255,181,0,.12);
  color: var(--amber);
}

.book-library.bastion-cabin .spread-image {
  background-image:
    linear-gradient(90deg, rgba(3,6,13,.62), transparent 28%, transparent 72%, rgba(3,6,13,.72)),
    linear-gradient(rgba(79,214,255,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,214,255,.08) 1px, transparent 1px),
    url("./assets/book_spread.jpg?v=1777506000");
  background-size: auto, 32px 32px, 32px 32px, cover;
  filter: saturate(.55) contrast(1.14) brightness(.72);
}

.book-library.bastion-cabin .data-matrix-console,
.book-library.bastion-cabin .data-matrix-readout,
.book-library.bastion-cabin .data-matrix-readout dl div,
.book-library.bastion-cabin .data-node {
  border-color: var(--frame);
  background:
    linear-gradient(135deg, rgba(79,214,255,.08), transparent 44%),
    rgba(8,16,30,.82);
  color: var(--hud-text);
}

.book-library.bastion-cabin .data-matrix-console {
  box-shadow:
    inset 2px 0 0 rgba(255,181,0,.62),
    0 28px 74px -40px rgba(0,0,0,.9);
}

.book-library.bastion-cabin .data-matrix-console::before {
  border-color: rgba(79,214,255,.18);
  background: repeating-linear-gradient(0deg, rgba(79,214,255,.04) 0 1px, transparent 1px 9px);
}

.book-library.bastion-cabin .data-matrix-console::after,
.book-library.bastion-cabin .data-spine {
  background: linear-gradient(90deg, transparent, rgba(79,214,255,.68), var(--amber), transparent);
}

.book-library.bastion-cabin .data-matrix-visual,
.book-library.bastion-cabin .data-plane {
  border-color: var(--frame);
  background:
    linear-gradient(90deg, rgba(79,214,255,.12) 1px, transparent 1px),
    linear-gradient(rgba(79,214,255,.10) 1px, transparent 1px),
    rgba(3,6,13,.38);
  background-size: 34px 34px, 34px 34px, auto;
}

.book-library.bastion-cabin .data-core {
  border-color: var(--cyan);
  background: rgba(3,6,13,.88);
  color: var(--amber);
  box-shadow:
    0 0 0 12px rgba(79,214,255,.06),
    0 0 44px rgba(79,214,255,.22);
}

.book-library.bastion-cabin .data-matrix-head span,
.book-library.bastion-cabin .data-node small,
.book-library.bastion-cabin .data-matrix-readout dt,
.book-library.bastion-cabin .data-matrix-readout p {
  color: var(--hud-dim);
}

.book-library.bastion-cabin .data-matrix-head b,
.book-library.bastion-cabin .data-node b,
.book-library.bastion-cabin .data-matrix-readout dd {
  color: var(--amber);
}

.book-library.bastion-cabin .data-node:hover,
.book-library.bastion-cabin .data-node:focus-visible,
.book-library.bastion-cabin .data-node.is-active {
  border-color: var(--cyan);
  box-shadow:
    inset 0 0 0 1px rgba(79,214,255,.28),
    0 18px 36px rgba(79,214,255,.12);
}

.book-library.bastion-cabin .read-ribbon {
  background: linear-gradient(180deg, rgba(255,44,74,.72), rgba(79,214,255,.22));
  border: 1px solid var(--frame);
}

.book-library.bastion-cabin .read-ribbon-fill {
  background: linear-gradient(180deg, var(--amber), var(--cyan));
}

@media (max-width: 900px) {
  .book-library.bastion-cabin .codex-bar {
    grid-template-columns: auto 1fr auto;
  }
}