/* Project Jupiter — interactive storybook
 * Visual language: dark obsidian + parchment + bronze
 * Inspired by ATO art direction
 */

:root {
  --bg: #0d0a08;
  --bg-2: #1a1410;
  --bg-3: #2a1f17;
  --parchment: #f0e3c4;
  --parchment-dim: #d6c79f;
  --ink: #2b1f15;
  --bronze: #c89b5a;
  --bronze-dim: #8a6938;
  --bronze-bright: #f0c97a;
  --crimson: #8b3a2b;
  --crimson-bright: #c14c34;
  --teal: #5a8a8a;
  --shadow: rgba(0, 0, 0, 0.7);
  --serif: 'Cormorant Garamond', 'EB Garamond', 'Cambria', 'Constantia', 'Georgia', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', '宋体', SimSun, serif;
  --serif-en: 'Cormorant Garamond', 'EB Garamond', 'Cambria', 'Constantia', 'Georgia', serif;
  --serif-cn: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', '宋体', SimSun, serif;
  --sans: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
  --display: 'Cinzel', 'Trajan Pro', 'Trajan', 'Optima', 'Palatino Linotype', 'Book Antiqua', 'Cambria', 'Georgia', 'Noto Serif SC', '宋体', serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--parchment);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  min-height: 100vh;
  scroll-behavior: smooth;
}

a { color: var(--bronze-bright); text-decoration: none; transition: color .2s; }
a:hover { color: var(--crimson-bright); }

button {
  font-family: var(--serif);
  cursor: pointer;
  background: transparent;
  color: inherit;
  border: 1px solid var(--bronze-dim);
  padding: 8px 16px;
  letter-spacing: 0.02em;
  transition: all .2s;
}
button:hover { border-color: var(--bronze-bright); color: var(--bronze-bright); }

/* ============== Top Bar ============== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 32px;
  background: linear-gradient(180deg, rgba(13,10,8,0.95) 0%, rgba(13,10,8,0.85) 100%);
  border-bottom: 1px solid var(--bronze-dim);
  backdrop-filter: blur(8px);
}
.topbar .brand {
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: 0.15em;
  color: var(--bronze-bright);
  text-transform: uppercase;
  cursor: pointer;
}
.topbar nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  letter-spacing: 0.05em;
}
.topbar nav a {
  color: var(--parchment-dim);
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.topbar nav a:hover, .topbar nav a.active {
  color: var(--bronze-bright);
  border-color: var(--bronze);
}

/* ============== Hero / Cover Page ============== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 720px;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero .bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45) saturate(0.9);
  transform: scale(1.08);
  transition: transform 12s ease-out;
}
.hero:hover .bg { transform: scale(1.0); }
.hero .vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.85) 95%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 1100px;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(44px, 7vw, 84px);
  letter-spacing: 0.18em;
  margin: 0 0 14px;
  color: var(--bronze-bright);
  text-shadow: 0 4px 24px rgba(0,0,0,0.85);
  text-transform: uppercase;
}
.hero .subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(16px, 1.6vw, 22px);
  color: var(--parchment-dim);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.hero .tagline {
  font-size: 14px;
  color: var(--parchment-dim);
  opacity: 0.8;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 8px;
}

.cycle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.cycle-card {
  position: relative;
  height: 320px;
  border: 1px solid var(--bronze-dim);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  overflow: hidden;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.cycle-card:hover {
  transform: translateY(-4px);
  border-color: var(--bronze-bright);
  box-shadow: 0 12px 40px rgba(192, 145, 70, 0.25);
}
.cycle-card .veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.85) 100%);
  transition: opacity .35s;
}
.cycle-card:hover .veil { opacity: 0.6; }
.cycle-card .label {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
}
.cycle-card .num {
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--bronze-bright);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.cycle-card .name {
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: 0.06em;
  color: var(--parchment);
  margin: 0 0 6px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}
.cycle-card .stat {
  font-size: 13px;
  color: var(--parchment-dim);
  font-style: italic;
}

.entry-actions {
  margin-top: 48px;
  display: flex;
  gap: 16px;
  justify-content: center;
}
.entry-actions button {
  padding: 12px 28px;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: rgba(140, 100, 50, 0.1);
  border: 1px solid var(--bronze);
}
.entry-actions button:hover {
  background: rgba(200, 155, 90, 0.2);
  border-color: var(--bronze-bright);
}

/* ============== Page Container ============== */
.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 32px;
}
.page h2 {
  font-family: var(--display);
  font-size: 32px;
  color: var(--bronze-bright);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--bronze-dim);
  padding-bottom: 12px;
  margin-bottom: 24px;
}
.page-sub {
  font-size: 14px;
  color: var(--parchment-dim);
  font-style: italic;
  margin-bottom: 32px;
}

/* ============== TOC list ============== */
.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px 24px;
}
.toc-item {
  padding: 8px 0;
  border-bottom: 1px dashed rgba(192, 145, 70, 0.25);
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.toc-item:hover {
  border-color: var(--bronze-bright);
  padding-left: 6px;
}
.toc-item .id {
  font-family: var(--display);
  color: var(--bronze);
  font-size: 13px;
  font-weight: 600;
  width: 56px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}
.toc-item .label {
  color: var(--parchment-dim);
  font-size: 14px;
  line-height: 1.4;
}

/* ============== Passage Page ============== */
.passage {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 32px 96px;
}
.passage-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--bronze-dim);
  padding-bottom: 16px;
}
.passage-header .cycle-tag {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--bronze);
  text-transform: uppercase;
}
.passage-header .id {
  font-family: var(--display);
  font-size: 56px;
  color: var(--bronze-bright);
  letter-spacing: 0.05em;
  line-height: 1;
}
.passage-header .title {
  flex: 1;
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--parchment-dim);
}

.parchment-bg {
  background: linear-gradient(180deg, var(--parchment) 0%, var(--parchment-dim) 100%);
  color: var(--ink);
  padding: 48px 64px;
  border: 1px solid var(--bronze);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), inset 0 0 80px rgba(180, 140, 80, 0.15);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.85;
  position: relative;
}
.parchment-bg::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(140, 100, 50, 0.3);
  pointer-events: none;
}
.parchment-bg p {
  margin: 0 0 16px;
  text-align: justify;
}
/* 首字下沉(::first-letter)在中文环境会把首字单独放大，严重影响阅读，已移除 */
.parchment-bg em, .parchment-bg i {
  color: var(--crimson);
  font-style: italic;
}
.parchment-bg strong, .parchment-bg b {
  color: var(--crimson);
  font-weight: 600;
}

.lang-toggle {
  display: flex;
  gap: 8px;
  margin: 16px 0 24px;
  justify-content: flex-end;
}
.lang-toggle button {
  font-size: 12px;
  letter-spacing: 0.15em;
  padding: 6px 14px;
  background: var(--bg-2);
}
.lang-toggle button.active {
  background: var(--bronze-dim);
  color: var(--parchment);
  border-color: var(--bronze-bright);
}

/* Choice block */
.choices {
  margin-top: 36px;
}
.choices-title {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--bronze);
  text-transform: uppercase;
  margin-bottom: 16px;
  text-align: center;
}
.choices-title::before, .choices-title::after {
  content: '◆';
  margin: 0 16px;
  color: var(--bronze-dim);
  font-size: 9px;
  vertical-align: middle;
}
.choice-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  margin-bottom: 12px;
  background: linear-gradient(90deg, rgba(140,100,50,0.08) 0%, rgba(140,100,50,0.02) 100%);
  border: 1px solid rgba(192, 145, 70, 0.4);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.55;
  color: var(--parchment);
  transition: all .2s;
  position: relative;
  cursor: pointer;
}
.choice-btn:hover {
  border-color: var(--bronze-bright);
  background: linear-gradient(90deg, rgba(200,155,90,0.15) 0%, rgba(200,155,90,0.05) 100%);
  transform: translateX(6px);
}
.choice-btn .num {
  font-family: var(--display);
  color: var(--bronze-bright);
  font-size: 20px;
  font-weight: 600;
  margin-right: 14px;
  letter-spacing: 0.05em;
}
.choice-btn .arrow {
  float: right;
  color: var(--bronze);
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.choice-btn .arrow .target {
  color: var(--bronze-bright);
  font-weight: 600;
}

/* Jump-only fallback (all `see XXXX` links) */
.jumps {
  margin-top: 24px;
  padding: 16px 22px;
  background: rgba(140, 100, 50, 0.05);
  border: 1px dashed rgba(192, 145, 70, 0.3);
  font-size: 14px;
  color: var(--parchment-dim);
}
.jumps-label {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--bronze);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.jumps-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.jumps-list a {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid rgba(192, 145, 70, 0.3);
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.03em;
  background: rgba(0, 0, 0, 0.3);
}
.jumps-list a:hover {
  border-color: var(--bronze-bright);
  background: rgba(192, 145, 70, 0.15);
}

/* Nav strip */
.passage-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--bronze-dim);
}
.passage-nav button {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============== Memory Palace ============== */
.palace-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.palace-filters button {
  font-size: 13px;
  letter-spacing: 0.1em;
  padding: 6px 16px;
}
.palace-filters button.active {
  background: var(--bronze);
  color: var(--bg);
  border-color: var(--bronze-bright);
}
.palace-search {
  width: 100%;
  padding: 12px 18px;
  background: var(--bg-2);
  border: 1px solid var(--bronze-dim);
  color: var(--parchment);
  font-family: var(--serif);
  font-size: 16px;
  margin-bottom: 24px;
}
.palace-search:focus { outline: none; border-color: var(--bronze-bright); }

.palace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.palace-card {
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(140,100,50,0.08) 0%, rgba(0,0,0,0.4) 100%);
  border: 1px solid rgba(192, 145, 70, 0.25);
  cursor: pointer;
  transition: all .2s;
}
.palace-card:hover {
  border-color: var(--bronze-bright);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}
.palace-card .cat {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--bronze);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.palace-card .term-en {
  font-family: var(--display);
  font-size: 19px;
  color: var(--bronze-bright);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.palace-card .term-zh {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--parchment);
  margin-bottom: 8px;
}
.palace-card .note {
  font-size: 13px;
  color: var(--parchment-dim);
  font-style: italic;
  margin-bottom: 10px;
  line-height: 1.5;
}
.palace-card .occ {
  font-size: 12px;
  color: var(--parchment-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.palace-card .occ .pill {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(192,145,70,0.2);
  padding: 2px 8px;
  font-family: var(--display);
  font-size: 11px;
}

/* Detail drawer for palace term */
.detail-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 32px;
}
.detail-overlay.show { display: flex; }
.detail-panel {
  max-width: 720px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--bg-2);
  border: 1px solid var(--bronze);
  padding: 32px 40px;
  position: relative;
}
.detail-panel .close {
  position: absolute; top: 16px; right: 20px;
  font-size: 28px;
  color: var(--bronze);
  cursor: pointer;
  line-height: 1;
}
.detail-panel h3 {
  font-family: var(--display);
  font-size: 28px;
  color: var(--bronze-bright);
  margin: 0 0 8px;
}
.detail-panel .meta {
  font-size: 13px;
  color: var(--parchment-dim);
  margin-bottom: 20px;
}
.detail-panel .occ-section {
  margin-top: 16px;
}
.detail-panel .occ-section h4 {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--bronze);
  text-transform: uppercase;
  margin: 16px 0 8px;
}
.detail-panel .occ-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.detail-panel .occ-list a {
  font-family: var(--display);
  font-size: 13px;
  padding: 4px 10px;
  border: 1px solid rgba(192,145,70,0.3);
  background: rgba(0,0,0,0.3);
}

/* ============== Footer ============== */
.footer {
  text-align: center;
  padding: 32px;
  color: var(--parchment-dim);
  font-size: 12px;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--bronze-dim);
  margin-top: 64px;
}

/* ============== Loading ============== */
.loading {
  text-align: center;
  padding: 80px 32px;
  color: var(--parchment-dim);
  font-style: italic;
}

/* ============== Responsive ============== */

/* iPad 横屏 / 中等平板（1024px 及以下）*/
@media (max-width: 1024px) {
  .cycle-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .branch-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .hero-inner { padding: 0 32px; }
  .topbar { padding: 10px 20px; }
  .topbar nav { gap: 18px; font-size: 13px; }
}

/* iPad 竖屏 / 大手机横屏（820px 及以下）*/
@media (max-width: 820px) {
  .hero { height: auto; min-height: auto; padding: 70px 0 60px; }
  .hero-inner { padding: 0 22px; max-width: 100%; }
  .cycle-grid { grid-template-columns: 1fr; gap: 16px; max-width: 520px; margin-left: auto; margin-right: auto; }
  .cycle-card { height: 220px; }
  .cycle-card .label { bottom: 18px; left: 18px; right: 18px; }
  .cycle-card .name { font-size: 24px; }
  .entry-actions { flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
  .entry-actions button { padding: 10px 22px; font-size: 13px; }
  .branch-grid { grid-template-columns: 1fr; gap: 12px; }
  .cycle-hall .hall-inner { padding: 40px 22px 70px; }
  .hall-head h2 { font-size: clamp(32px, 8vw, 48px); }
  .topbar { padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  .topbar .brand { font-size: 16px; letter-spacing: 0.12em; }
  .topbar nav { gap: 14px; font-size: 12px; flex-wrap: wrap; }
  .passage { padding: 28px 18px 60px; }
  .passage-header { flex-direction: column; align-items: flex-start; gap: 6px; }
  .passage-header .id { font-size: 30px; }
  .passage-header .title { font-size: 18px; text-align: left; }
  .parchment-bg { padding: 24px 18px; font-size: 16px; }
  .exit-btn { font-size: 14px; padding: 12px 14px; }
  .palace-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
}

/* 小手机（480px 及以下）*/
@media (max-width: 480px) {
  html, body { font-size: 16px; }
  .hero { padding: 50px 0 40px; }
  .hero h1 { font-size: clamp(36px, 11vw, 56px); letter-spacing: 0.12em; }
  .hero .subtitle { font-size: 14px; }
  .hero .tagline { font-size: 12px; }
  .cycle-grid { gap: 14px; }
  .cycle-card { height: 180px; }
  .cycle-card .name { font-size: 20px; }
  .cycle-card .stat { font-size: 12px; }
  .topbar nav a { font-size: 11px; }
  .parchment-bg { padding: 20px 14px; font-size: 15px; }
  .passage-nav { flex-wrap: wrap; gap: 8px; }
  .passage-nav button { padding: 8px 14px; font-size: 12px; }
}

/* 安全区适配（iPhone X+ 刘海/底栏）*/
@supports (padding: env(safe-area-inset-top)) {
  .topbar {
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }
  .hero-inner, .cycle-hall .hall-inner, .page, .passage {
    padding-left: max(18px, env(safe-area-inset-left));
    padding-right: max(18px, env(safe-area-inset-right));
  }
}


/* ============================================================
   Branch Hall (Cycle entry)
   ============================================================ */
.cycle-hall {
  position: relative;
  min-height: calc(100vh - 60px);
  overflow: hidden;
}
.cycle-hall .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: blur(1px) brightness(0.32) saturate(1.05);
  z-index: 0;
}
.cycle-hall .vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 30%, rgba(13,10,8,0.85) 80%, var(--bg) 100%),
    linear-gradient(180deg, rgba(13,10,8,0.5) 0%, transparent 25%, transparent 75%, rgba(13,10,8,0.85) 100%);
  z-index: 1;
}
.cycle-hall .hall-inner {
  position: relative; z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 30px 90px;
}
.hall-head {
  text-align: center;
  margin-bottom: 50px;
}
.hall-head .cycle-tag {
  font-family: var(--display);
  letter-spacing: 0.5em;
  color: var(--bronze);
  font-size: 14px;
  margin-bottom: 8px;
}
.hall-head h2 {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 64px);
  margin: 0 0 12px;
  color: var(--parchment);
  text-shadow: 0 2px 30px rgba(200,155,90,0.25);
}
.hall-head .page-sub {
  color: var(--parchment-dim);
  font-size: 15px;
  letter-spacing: 0.05em;
}
.hall-head .hall-sub {
  margin-top: 18px;
  font-family: var(--display);
  letter-spacing: 0.3em;
  color: var(--bronze-bright);
  font-size: 12px;
  opacity: 0.8;
}

.branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.branch-tile {
  --bhue: 38;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: linear-gradient(135deg,
    hsla(var(--bhue), 38%, 14%, 0.85),
    hsla(var(--bhue), 25%, 8%, 0.92));
  border: 1px solid hsla(var(--bhue), 50%, 45%, 0.35);
  border-radius: 8px;
  text-decoration: none;
  color: var(--parchment);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  position: relative;
  overflow: hidden;
}
.branch-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%,
    hsla(var(--bhue), 70%, 55%, 0.18),
    transparent 60%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.branch-tile:hover {
  transform: translateY(-3px);
  border-color: hsla(var(--bhue), 70%, 60%, 0.7);
  box-shadow:
    0 12px 30px hsla(var(--bhue), 70%, 30%, 0.35),
    0 0 0 1px hsla(var(--bhue), 70%, 55%, 0.4);
  background: linear-gradient(135deg,
    hsla(var(--bhue), 45%, 18%, 0.92),
    hsla(var(--bhue), 30%, 10%, 0.95));
}
.branch-tile:hover::before { opacity: 1; }

.branch-tile .bt-icon {
  font-size: 30px;
  flex-shrink: 0;
  width: 50px;
  text-align: center;
  filter: drop-shadow(0 0 8px hsla(var(--bhue), 80%, 60%, 0.4));
}
.branch-tile .bt-text { flex: 1; min-width: 0; }
.branch-tile .bt-label {
  font-family: var(--display);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--parchment);
  margin-bottom: 2px;
}
.branch-tile .bt-en {
  font-family: var(--serif-en);
  font-style: italic;
  color: hsla(var(--bhue), 50%, 70%, 0.85);
  font-size: 13px;
  margin-bottom: 6px;
}
.branch-tile .bt-stat {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--parchment-dim);
  opacity: 0.7;
}
.branch-tile .bt-arrow {
  font-size: 30px;
  color: hsla(var(--bhue), 60%, 60%, 0.6);
  font-family: var(--display);
  margin-left: 6px;
  transition: transform 0.18s ease, color 0.18s ease;
}
.branch-tile:hover .bt-arrow {
  color: hsla(var(--bhue), 80%, 70%, 1);
  transform: translateX(4px);
}

/* ----- Branch (sub-page) head ----- */
.page { --bhue: 38; }
.branch-head { margin-bottom: 24px; }
.back-link {
  display: inline-block;
  font-family: var(--display);
  letter-spacing: 0.2em;
  color: var(--bronze);
  text-decoration: none;
  font-size: 12px;
  margin-bottom: 16px;
  cursor: pointer;
}
.back-link:hover { color: var(--bronze-bright); }
.bh-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.bh-icon {
  font-size: 44px;
  filter: drop-shadow(0 0 12px hsla(var(--bhue), 80%, 60%, 0.45));
}
.bh-en {
  font-family: var(--serif-en);
  font-style: italic;
  color: hsla(var(--bhue), 50%, 70%, 0.85);
  font-size: 14px;
  letter-spacing: 0.05em;
  margin-top: 4px;
}
.bh-row button.primary {
  margin-left: auto;
  background: linear-gradient(180deg, var(--bronze) 0%, var(--bronze-dim) 100%);
  color: var(--bg);
  border: none;
  padding: 11px 22px;
  font-family: var(--display);
  letter-spacing: 0.15em;
  font-size: 13px;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.bh-row button.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(200,155,90,0.35);
}
.toc-h3 {
  font-family: var(--display);
  color: var(--bronze-bright);
  letter-spacing: 0.15em;
  margin-top: 30px;
  font-size: 15px;
  border-bottom: 1px solid rgba(200,155,90,0.18);
  padding-bottom: 6px;
}


/* ============================================================
   Exits — passage navigation by Choose / If / See
   ============================================================ */

.exits {
  margin-top: 28px;
  padding: 22px 24px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(26,20,16,0.92), rgba(13,10,8,0.92));
  border: 1px solid rgba(200,155,90,0.22);
  position: relative;
}
.exits + .exits { margin-top: 16px; }

.exits-title {
  font-family: var(--display);
  letter-spacing: 0.25em;
  color: var(--bronze-bright);
  font-size: 12px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(200,155,90,0.18);
}

/* Common button base */
.exit-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  background: linear-gradient(180deg, rgba(42,31,23,0.95), rgba(26,20,16,0.95));
  color: var(--parchment);
  border: 1px solid rgba(200,155,90,0.30);
  border-radius: 5px;
  padding: 14px 18px;
  margin: 8px 0;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.45;
  font-family: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  position: relative;
}
.exit-btn:hover {
  transform: translateX(2px);
  border-color: var(--bronze);
  box-shadow:
    0 6px 20px rgba(200,155,90,0.22),
    inset 0 0 0 1px rgba(200,155,90,0.25);
  background: linear-gradient(180deg, rgba(60,44,30,0.95), rgba(38,28,20,0.95));
}
.exit-btn:active { transform: translateX(2px) scale(0.995); }

.exit-btn .label {
  flex: 1;
  color: var(--parchment);
}
.exit-btn .num {
  flex-shrink: 0;
  font-family: var(--display);
  font-size: 16px;
  color: var(--bronze-bright);
  letter-spacing: 0.05em;
  width: 22px;
}
.exit-btn .arrow {
  flex-shrink: 0;
  font-family: var(--display);
  letter-spacing: 0.06em;
  color: var(--bronze);
  white-space: nowrap;
}
.exit-btn .arrow .target {
  color: var(--bronze-bright);
  font-weight: 600;
  margin-left: 4px;
}
.exit-btn .kind-tag {
  flex-shrink: 0;
  font-family: var(--display);
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--bg);
  background: linear-gradient(180deg, var(--bronze-bright), var(--bronze));
  padding: 4px 10px;
  border-radius: 3px;
  align-self: flex-start;
  margin-top: 1px;
  text-transform: uppercase;
}

/* "Continue" — single-button, prominent */
.exits-continue {
  background: linear-gradient(180deg, rgba(42,31,23,0.96), rgba(20,15,11,0.96));
  border-color: rgba(200,155,90,0.45);
}
.continue-btn {
  font-size: 16px;
  padding: 18px 22px;
  background: linear-gradient(180deg, rgba(60,44,30,0.95), rgba(38,28,20,0.95));
  border-color: var(--bronze);
}
.continue-btn .exit-target {
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--bronze-bright);
}
.continue-btn .exit-title {
  flex: 1;
  color: var(--parchment-dim);
  font-style: italic;
  font-family: var(--serif-en);
}
.continue-btn:hover { transform: translateX(4px); }

/* Choice buttons (numbered options) */
.choice-btn {
  border-color: rgba(200,155,90,0.42);
}
.choice-btn:hover { border-color: var(--bronze-bright); }

/* Conditional / fallback buttons */
.cond-btn {
  border-color: rgba(170,120,180,0.30);
  background: linear-gradient(180deg, rgba(36,25,40,0.95), rgba(20,15,25,0.95));
}
.cond-btn:hover {
  border-color: rgba(200,150,210,0.7);
  background: linear-gradient(180deg, rgba(54,38,60,0.95), rgba(28,20,35,0.95));
  box-shadow: 0 6px 22px rgba(170,120,180,0.18);
}
.cond-btn .kind-tag {
  background: linear-gradient(180deg, #d8a8e0, #9d6db0);
  color: #1a0e22;
}
.fallback-btn .kind-tag {
  background: linear-gradient(180deg, #b0b0b0, #707070);
  color: #1a1a1a;
}

/* Refs (literary mentions in text) */
.exits-refs .ref-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ref-pill {
  display: inline-block;
  padding: 6px 12px;
  border: 1px dashed rgba(200,155,90,0.45);
  border-radius: 999px;
  color: var(--parchment-dim);
  text-decoration: none;
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.15s ease;
}
.ref-pill:hover {
  background: var(--bronze);
  color: var(--bg);
  border-style: solid;
}

/* End mark */
.exits-end .end-mark {
  text-align: center;
  font-family: var(--display);
  letter-spacing: 0.4em;
  color: var(--bronze-dim);
  font-size: 13px;
  padding: 10px 0;
}

/* Bottom nav: only Back / TOC / Home */
.passage-nav {
  margin-top: 32px;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid rgba(200,155,90,0.15);
}
.passage-nav button {
  flex: 1;
  background: transparent;
  color: var(--bronze);
  border: 1px solid rgba(200,155,90,0.25);
  border-radius: 4px;
  padding: 10px 14px;
  font-family: var(--display);
  letter-spacing: 0.12em;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.passage-nav button:hover:not(:disabled) {
  border-color: var(--bronze);
  color: var(--bronze-bright);
  background: rgba(200,155,90,0.08);
}
.passage-nav button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}