/* ==========================================
   EMPAT SERANGKAI — Novel Web
   Theme: Organic / Warm Forest
   ========================================== */

:root {
  --cream:    #F5F0E8;
  --cream-d:  #EDE6D6;
  --sage:     #8A9E85;
  --sage-d:   #6B7F67;
  --forest:   #3D5A47;
  --brown:    #7A5C45;
  --brown-l:  #A07A5F;
  --sand:     #C9A97A;
  --text:     #2C2418;
  --text-m:   #5A4A38;
  --text-s:   #8B7355;
  --white:    #FFFCF5;
  --shadow:   rgba(61,90,71,.15);
  --shadow-d: rgba(44,36,24,.25);

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Lora', Georgia, serif;
  --font-ui:      'DM Sans', sans-serif;

  --transition: .35s cubic-bezier(.4,0,.2,1);
  --transition-slow: .7s cubic-bezier(.4,0,.2,1);

  /* Reader */
  --reader-bg:   #FAFAF6;
  --reader-text: #2C2418;
  --reader-card: #FFFFFF;
  --reader-border: rgba(138,158,133,.2);
}

[data-theme="dark"] {
  --reader-bg:   #1A1F1C;
  --reader-text: #E8E0D0;
  --reader-card: #222820;
  --reader-border: rgba(138,158,133,.15);
  --reader-header: #1A1F1C;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%       { transform: translateY(-12px) rotate(3deg); }
}
@keyframes floatBook {
  0%, 100% { transform: translateY(0) rotateY(-22deg) rotateX(4deg); }
  50%       { transform: translateY(-10px) rotateY(-22deg) rotateX(4deg); }
}
@keyframes spin-slow {
  to { transform: rotate(360deg); }
}
@keyframes pulse-ring {
  0%   { transform: scale(.9); opacity:.8; }
  70%  { transform: scale(1.1); opacity:.3; }
  100% { transform: scale(.9); opacity:.8; }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}
@keyframes leafDrift {
  0%   { transform: translateY(0) rotate(0deg) translateX(0); opacity:.7; }
  30%  { transform: translateY(30vh) rotate(30deg) translateX(15px); opacity:.9; }
  60%  { transform: translateY(60vh) rotate(-20deg) translateX(-20px); opacity:.7; }
  100% { transform: translateY(105vh) rotate(50deg) translateX(10px); opacity:0; }
}
@keyframes particleDrift {
  0%   { transform: translateY(0) scale(1); opacity:.6; }
  100% { transform: translateY(-80px) scale(.3); opacity:0; }
}
@keyframes progressPulse {
  0%, 100% { opacity:1; }
  50%       { opacity:.6; }
}
@keyframes chapterIn {
  from { opacity:0; transform: translateY(20px); }
  to   { opacity:1; transform: translateY(0); }
}
@keyframes badgePop {
  0%   { transform: scale(.7); opacity:0; }
  70%  { transform: scale(1.05); }
  100% { transform: scale(1); opacity:1; }
}

/* ==========================================
   ANIMATE-IN UTILITY
   ========================================== */
.animate-in {
  opacity: 0;
  animation: fadeUp .8s var(--transition) forwards;
}
.delay-1 { animation-delay:.1s; }
.delay-2 { animation-delay:.3s; }
.delay-3 { animation-delay:.55s; }
.delay-4 { animation-delay:.75s; }
.delay-5 { animation-delay:.95s; }

/* ==========================================
   LANDING PAGE
   ========================================== */
.landing {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(160deg, #F0EBE0 0%, #E8E0CC 40%, #DDD4BE 100%);
}

/* Ambient circles */
.ambient-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.c1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(138,158,133,.18) 0%, transparent 70%);
  top: -150px; right: -150px;
  animation: pulse-ring 8s ease-in-out infinite;
}
.c2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,169,122,.15) 0%, transparent 70%);
  bottom: -100px; left: -80px;
  animation: pulse-ring 10s ease-in-out infinite 2s;
}
.c3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(61,90,71,.1) 0%, transparent 70%);
  top: 40%; left: 15%;
  animation: pulse-ring 12s ease-in-out infinite 4s;
}

/* Particles */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--sage);
  animation: particleDrift linear infinite;
}

/* Floating leaves */
.leaves-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.leaf {
  position: absolute;
  top: -40px;
  font-size: 1.2rem;
  opacity: .7;
  animation: leafDrift linear infinite;
}

/* Landing content */
.landing-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  padding: 6rem 1.5rem 8rem;
  max-width: 700px;
  width: 100%;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem 1.1rem;
  border-radius: 100px;
  background: rgba(61,90,71,.1);
  border: 1px solid rgba(61,90,71,.2);
  color: var(--forest);
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  animation: badgePop .6s .1s both;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse-ring 2s ease-in-out infinite;
}

/* ==========================================
   3D BOOK
   ========================================== */
.book-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.book-scene {
  perspective: 1200px;
  width: 220px; height: 300px;
}

.book {
  position: relative;
  width: 200px; height: 280px;
  transform-style: preserve-3d;
  transform: rotateY(-22deg) rotateX(4deg);
  animation: floatBook 5s ease-in-out infinite;
  cursor: pointer;
  transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.book:hover {
  transform: rotateY(-10deg) rotateX(4deg) scale(1.04);
}

.book-face {
  position: absolute;
  backface-visibility: hidden;
}

.front {
  width: 200px; height: 280px;
  transform: translateZ(20px);
  border-radius: 2px 8px 8px 2px;
  overflow: hidden;
  box-shadow: 6px 6px 30px var(--shadow-d);
}

.back {
  width: 200px; height: 280px;
  transform: rotateY(180deg) translateZ(20px);
  background: var(--forest);
  border-radius: 8px 2px 2px 8px;
}

.spine {
  width: 40px; height: 280px;
  left: 0; top: 0;
  transform: rotateY(-90deg) translateZ(0);
  background: linear-gradient(180deg, var(--forest) 0%, var(--sage-d) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px 0 0 4px;
}
.spine span {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-display);
  font-size: .7rem;
  color: var(--cream);
  letter-spacing: .12em;
  white-space: nowrap;
  opacity: .85;
}

.top {
  width: 200px; height: 40px;
  top: 0; left: 0;
  transform: rotateX(90deg) translateZ(0);
  background: var(--cream-d);
}

.bottom {
  width: 200px; height: 40px;
  bottom: 0; left: 0;
  transform: rotateX(-90deg) translateZ(280px);
  background: var(--cream-d);
}

.right {
  width: 40px; height: 280px;
  right: 0; top: 0;
  transform: rotateY(90deg) translateZ(160px);
  overflow: hidden;
}
.pages {
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    to bottom,
    var(--cream) 0px,
    var(--cream) 4px,
    var(--cream-d) 4px,
    var(--cream-d) 5px
  );
}

/* Cover art */
.cover-art {
  width: 100%; height: 100%;
  background: linear-gradient(145deg, #3D5A47 0%, #2C4033 50%, #1E2D24 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Cover leaves deco */
.cover-leaf {
  position: absolute;
  border-radius: 50% 0 50% 0;
  background: rgba(138,158,133,.25);
}
.l1 { width:80px;height:80px;top:-20px;left:-20px;transform:rotate(-30deg); }
.l2 { width:60px;height:60px;bottom:20px;right:-15px;transform:rotate(45deg);background:rgba(201,169,122,.2); }
.l3 { width:40px;height:40px;top:40%;left:-10px;transform:rotate(15deg);background:rgba(138,158,133,.15); }
.l4 { width:100px;height:50px;bottom:-20px;left:10px;transform:rotate(-10deg);border-radius:50%; }
.l5 { width:30px;height:50px;top:20px;right:25px;transform:rotate(60deg);background:rgba(201,169,122,.15); }

.cover-circle {
  position: absolute;
  width: 150px; height: 150px;
  border-radius: 50%;
  border: 1px solid rgba(201,169,122,.25);
  top: 50%; left: 50%;
  transform: translate(-50%, -55%);
}

.cover-text-block {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 12px;
}
.cover-sub {
  font-family: var(--font-ui);
  font-size: .55rem;
  color: rgba(201,169,122,.75);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: .4rem;
}
.cover-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--cream);
  line-height: 1.05;
  font-style: italic;
}
.cover-divider {
  width: 40px; height: 1px;
  background: rgba(201,169,122,.5);
  margin: .6rem auto;
}
.cover-tagline {
  font-family: var(--font-body);
  font-size: .6rem;
  color: rgba(201,169,122,.75);
  font-style: italic;
  letter-spacing: .04em;
}

/* Book shadow */
.book-shadow {
  width: 180px; height: 30px;
  background: radial-gradient(ellipse at center, rgba(44,36,24,.35) 0%, transparent 70%);
  border-radius: 50%;
  margin-top: 1rem;
  filter: blur(6px);
  animation: float 5s ease-in-out infinite;
}

/* ==========================================
   HERO TEXT
   ========================================== */
.novel-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3rem);
  color: var(--forest);
  font-style: italic;
  line-height: 1.1;
}
.novel-desc {
  margin-top: .75rem;
  font-size: clamp(.9rem, 2.5vw, 1rem);
  color: var(--text-m);
  line-height: 1.8;
  max-width: 480px;
  margin-inline: auto;
}

/* ==========================================
   OPEN BUTTON
   ========================================== */
.btn-open {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .95rem 2.2rem;
  border-radius: 100px;
  background: var(--forest);
  color: var(--cream);
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(61,90,71,.35), 0 1px 4px rgba(61,90,71,.2);
}
.btn-open::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  background-size: 200% auto;
  animation: shimmer 2.5s linear infinite;
}
.btn-open:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(61,90,71,.45), 0 2px 8px rgba(61,90,71,.25);
  background: #4A6E57;
}
.btn-open:active { transform: translateY(0); }
.btn-icon { display: flex; align-items: center; }
.btn-arrow {
  transition: transform .3s;
}
.btn-open:hover .btn-arrow { transform: translateX(4px); }

/* ==========================================
   STATS ROW
   ========================================== */
.stats-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: .5rem;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--forest);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: .72rem;
  color: var(--text-s);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-top: .2rem;
}
.stat-sep {
  width: 1px; height: 32px;
  background: rgba(61,90,71,.2);
}

/* ==========================================
   AUTHOR CREDIT
   ========================================== */
.author-credit {
  position: absolute;
  bottom: 2.5rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--font-ui);
  gap: .1rem;
  z-index: 3;
}
.author-credit span {
  font-size: .7rem;
  color: var(--text-s);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.author-credit strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--forest);
  font-style: italic;
}

/* ==========================================
   SCROLL HINT
   ========================================== */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  z-index: 3;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--sage));
  animation: float 2s ease-in-out infinite;
}
.scroll-hint span {
  font-family: var(--font-ui);
  font-size: .68rem;
  color: var(--text-s);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ==========================================
   READER — GENERAL
   ========================================== */
.hidden { display: none !important; }

.reader {
  min-height: 100vh;
  background: var(--reader-bg);
  color: var(--reader-text);
  transition: background var(--transition), color var(--transition);
  animation: fadeIn .5s ease;
}

/* ==========================================
   READER HEADER
   ========================================== */
.reader-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  background: var(--reader-bg);
  border-bottom: 1px solid var(--reader-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(250,250,246,.92);
  transition: background var(--transition);
  gap: 1rem;
}

[data-theme="dark"] .reader-header {
  background: rgba(26,31,28,.92);
}

.btn-back {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .8rem;
  border-radius: 8px;
  border: 1px solid var(--reader-border);
  background: transparent;
  color: var(--reader-text);
  font-family: var(--font-ui);
  font-size: .82rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-back:hover {
  background: rgba(61,90,71,.08);
  border-color: var(--sage);
}

.reader-title-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 0;
}
.reader-book-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--reader-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reader-chap-indicator {
  font-family: var(--font-ui);
  font-size: .7rem;
  color: var(--sage);
  letter-spacing: .05em;
}

.reader-controls {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-shrink: 0;
}
.ctrl-btn {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--reader-border);
  background: transparent;
  color: var(--reader-text);
  font-family: var(--font-ui);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.ctrl-btn:hover {
  background: rgba(61,90,71,.08);
  border-color: var(--sage);
}

/* Progress bar */
.progress-bar-wrap {
  position: sticky;
  top: 56px;
  z-index: 49;
  height: 3px;
  background: rgba(138,158,133,.15);
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--sage), var(--forest));
  width: 0%;
  transition: width .1s linear;
  border-radius: 0 2px 2px 0;
}

/* ==========================================
   TOC SIDEBAR
   ========================================== */
.toc-overlay {
  position: fixed;
  inset: 0;
  background: rgba(44,36,24,.4);
  backdrop-filter: blur(3px);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.toc-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.toc-sidebar {
  position: fixed;
  top: 0; left: 0;
  width: min(320px, 90vw);
  height: 100vh;
  background: var(--reader-card);
  z-index: 99;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 32px var(--shadow-d);
}
.toc-sidebar.open {
  transform: translateX(0);
}

.toc-header {
  padding: 1.25rem 1.25rem;
  border-bottom: 1px solid var(--reader-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.toc-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--reader-text);
}
.toc-close {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--reader-border);
  background: transparent;
  color: var(--reader-text);
  cursor: pointer;
  font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.toc-close:hover { background: rgba(61,90,71,.08); }

.toc-list {
  list-style: none;
  padding: .75rem 0;
  overflow-y: auto;
  flex: 1;
}
.toc-item {
  padding: 0;
}
.toc-btn {
  width: 100%;
  padding: .8rem 1.25rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-ui);
  font-size: .85rem;
  color: var(--text-m);
  border-left: 3px solid transparent;
  line-height: 1.4;
}
.toc-btn:hover {
  background: rgba(61,90,71,.06);
  color: var(--forest);
  border-left-color: var(--sage);
}
.toc-btn.active {
  background: rgba(61,90,71,.1);
  color: var(--forest);
  border-left-color: var(--forest);
  font-weight: 500;
}

[data-theme="dark"] .toc-btn {
  color: var(--reader-text);
}
[data-theme="dark"] .toc-btn:hover,
[data-theme="dark"] .toc-btn.active {
  color: #C8D8C4;
}

/* ==========================================
   READER LAYOUT
   ========================================== */
.reader-layout {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
}

.toc-toggle {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1rem;
  margin: 1.25rem 0 .5rem;
  border-radius: 8px;
  border: 1px solid var(--reader-border);
  background: transparent;
  color: var(--reader-text);
  font-family: var(--font-ui);
  font-size: .82rem;
  cursor: pointer;
  transition: var(--transition);
}
.toc-toggle:hover {
  background: rgba(61,90,71,.06);
  border-color: var(--sage);
}

/* ==========================================
   READER MAIN
   ========================================== */
.reader-main {
  padding-bottom: 3rem;
}

.chapter-wrapper {
  animation: chapterIn .5s ease;
}

.chapter-title-block {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--reader-border);
}
.chapter-number {
  font-family: var(--font-ui);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--sage);
  margin-bottom: .5rem;
}
.chapter-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--reader-text);
  line-height: 1.2;
  font-style: italic;
}

.chapter-body {
  font-family: var(--font-body);
  font-size: var(--reader-font-size, 1.05rem);
  line-height: 1.95;
  color: var(--reader-text);
  transition: font-size var(--transition);
}

.chapter-body p {
  margin-bottom: 1.4em;
  text-align: justify;
  hyphens: auto;
}

.chapter-body p::first-letter {
  /* Only first paragraph */
}
.chapter-body > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.5em;
  line-height: .85;
  margin-right: .08em;
  margin-top: .05em;
  color: var(--forest);
  font-style: italic;
}

/* Dialog styling */
.chapter-body p:has-text('"') {
  padding-left: .5em;
}

/* Chapter end ornament */
.chapter-end {
  text-align: center;
  margin: 2.5rem 0;
  color: var(--sage);
  font-size: 1.2rem;
  letter-spacing: .3em;
  opacity: .5;
}

/* ==========================================
   CHAPTER NAV
   ========================================== */
.chapter-nav {
  position: sticky;
  bottom: 0;
  background: rgba(250,250,246,.95);
  border-top: 1px solid var(--reader-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: .8rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 40;
  transition: background var(--transition);
}

[data-theme="dark"] .chapter-nav {
  background: rgba(26,31,28,.95);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--reader-border);
  background: transparent;
  color: var(--reader-text);
  font-family: var(--font-ui);
  font-size: .82rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-btn:hover:not(:disabled) {
  background: rgba(61,90,71,.08);
  border-color: var(--sage);
}
.nav-btn:disabled {
  opacity: .35;
  cursor: default;
}
.nav-position {
  font-family: var(--font-ui);
  font-size: .82rem;
  color: var(--sage);
  flex-shrink: 0;
}

/* ==========================================
   DARK THEME OVERRIDES
   ========================================== */
[data-theme="dark"] .chapter-body > p:first-of-type::first-letter {
  color: #8FC48A;
}
[data-theme="dark"] .chapter-number {
  color: #8FC48A;
}
[data-theme="dark"] .chapter-title {
  color: #E8E0D0;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 600px) {
  .landing-content {
    padding: 5rem 1.25rem 7rem;
    gap: 1.5rem;
  }

  .book-scene {
    width: 170px; height: 240px;
  }
  .book { width: 160px; height: 230px; }
  .front, .back {
    width: 160px; height: 230px;
  }
  .right { height: 230px; }
  .spine { height: 230px; }
  .book-shadow { width: 140px; }

  .cover-title { font-size: 1.4rem; }

  .author-credit {
    bottom: 1.5rem;
    right: 1.25rem;
  }

  .reader-book-title { display: none; }
  .reader-chap-indicator { font-size: .8rem; }

  .chapter-nav { gap: .5rem; }
  .nav-btn {
    padding: .55rem .7rem;
    font-size: .78rem;
  }
  .nav-btn svg { display: none; }

  .btn-open {
    padding: .85rem 1.75rem;
    font-size: .9rem;
  }

  .stats-row { gap: 1rem; }

  .toc-toggle span { display: none; }
}

@media (max-width: 360px) {
  .stats-row { gap: .75rem; }
  .stat-sep { display: none; }
}

/* ==========================================
   SCROLL BEHAVIOR WHEN READER IS OPEN
   ========================================== */
.reader-open { overflow: hidden; }

/* ==========================================
   LOADING TRANSITION
   ========================================== */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--forest);
  z-index: 9999;
  transform: translateY(-100%);
  transition: transform .6s cubic-bezier(.76,0,.24,1);
  pointer-events: none;
}
.page-transition.entering {
  transform: translateY(0);
}
.page-transition.leaving {
  transform: translateY(100%);
}