/* ============================================
   Finding Our Forest - Book Experience
   ============================================ */

:root {
  --color-bg: #120d0b;
  --color-text: #f5f5f5;
  --color-accent: #c9a66b;
  --color-accent-dim: rgba(201, 166, 107, 0.6);
  --color-paper: #f8f6f1;
  --color-paper-shadow: #e8e4dc;
  --color-bg-elevated: rgba(18, 13, 11, 0.92);
  --color-bg-elevated-strong: rgba(18, 13, 11, 0.97);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Nunito', -apple-system, sans-serif;
  --font-dyslexic: 'OpenDyslexic', 'OpenDyslexic3', 'Open Dyslexic', sans-serif;
  --size-label: 0.72rem;
  --size-title: clamp(1.6rem, 3vw, 2.1rem);
  --size-body: 1rem;
  --size-body-small: 0.95rem;
  --page-width: 340px;
  --page-height: 382.5px;
  --flip-speed: 0.45s;
  --flip-ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

@font-face {
  font-family: 'OpenDyslexic';
  src:
    local('OpenDyslexic'),
    local('OpenDyslexic3'),
    local('Open Dyslexic'),
    url('fonts/OpenDyslexic-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'OpenDyslexic';
  src:
    local('OpenDyslexic Bold'),
    local('OpenDyslexic3 Bold'),
    local('Open Dyslexic Bold'),
    url('fonts/OpenDyslexic-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'OpenDyslexic';
  src:
    local('OpenDyslexic Italic'),
    local('OpenDyslexic3 Italic'),
    local('Open Dyslexic Italic'),
    url('fonts/OpenDyslexic-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'OpenDyslexic';
  src:
    local('OpenDyslexic Bold Italic'),
    local('OpenDyslexic3 Bold Italic'),
    local('Open Dyslexic Bold Italic'),
    url('fonts/OpenDyslexic-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  font-weight: 500;
  border-radius: 0 0 8px 8px;
  z-index: 10000;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
  outline: 2px solid white;
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for keyboard navigation */
button:focus-visible,
a:focus-visible,
[role="button"]:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse at top, rgba(201, 166, 107, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at bottom, rgba(60, 38, 20, 0.25) 0%, transparent 70%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 4px);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  overflow-y: auto;
}

body.font-dyslexic {
  --font-body: var(--font-dyslexic);
  --font-display: var(--font-dyslexic);
}


/* ============================================
   Book Page Navigation
   ============================================ */
.book-site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
}

.book-nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.book-nav-logo:hover {
  color: var(--color-accent);
}

.book-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.a11y-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.a11y-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
}

.a11y-toggle.active {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.a11y-toggle-state {
  min-width: 2.2rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.a11y-toggle--menu {
  width: 100%;
  justify-content: space-between;
  border-radius: 0;
  border: none;
  background: transparent;
  text-transform: none;
  letter-spacing: 0.02em;
}

.a11y-toggle--menu:hover {
  background: rgba(255, 255, 255, 0.03);
}

.a11y-toggle--menu.active {
  background: rgba(201, 166, 107, 0.12);
  color: var(--color-accent);
}

.book-nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.3s ease;
  position: relative;
}

.book-nav-link:hover {
  color: var(--color-text);
}

.book-nav-link.active {
  color: var(--color-accent);
}

/* Mobile Menu Toggle */
.book-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.book-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.book-nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.book-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.book-nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Menu */
.book-mobile-menu {
  display: none;
  position: fixed;
  top: 50px;
  left: 0;
  right: 0;
  background: var(--color-bg-elevated-strong);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.5rem 0;
  z-index: 10000;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.book-mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.book-mobile-link {
  display: block;
  padding: 0.75rem 2rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.book-mobile-link.a11y-toggle {
  text-align: left;
}

.book-mobile-link:hover,
.book-mobile-link.active {
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 600px) {
  .book-nav-links {
    display: none;
  }

  .book-nav-toggle {
    display: flex;
  }

  .book-mobile-menu {
    display: block;
  }

  .book-site-nav {
    padding: 0.6rem 1rem;
  }

  .book-nav-logo {
    font-size: 0.9rem;
  }
}

/* ============================================
   Header
   ============================================ */
.header {
  position: relative;
  z-index: 10;
  padding: 4rem 2rem 2rem;
  text-align: center;
}

.header-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.header-title span {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  opacity: 0.4;
  text-transform: uppercase;
}

/* ============================================
   Book Layout - Desktop 60/40 split
   ============================================ */
.book-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 52px);
  padding: 1rem 2rem;
  gap: 2rem;
}

.book-layout > .book-stage {
  flex: 1 1 auto;
  max-width: 100%;
}

/* ============================================
   Book Stage
   ============================================ */
.book-stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  padding: 2rem 3rem 1rem;
  overflow: auto;
  overflow-y: auto;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(201, 166, 107, 0.5) transparent;
}

.book-stage::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.book-stage::-webkit-scrollbar-thumb {
  background: rgba(201, 166, 107, 0.5);
  border-radius: 999px;
}

.book-stage::-webkit-scrollbar-track {
  background: transparent;
}

/* When zoomed, allow free scroll in all directions.
   Wrapper uses transform-origin: 0 0 so all overflow is right/down (scrollable).
   Flex-start positioning keeps wrapper at top-left of scroll container. */
.book-stage.zoomed-active {
  overflow: auto !important;
  overflow-x: auto !important;
  overflow-y: auto !important;
  justify-content: flex-start !important;
  align-items: flex-start !important;
  align-content: flex-start !important;
  flex-wrap: wrap !important;
  padding: 1rem !important;
}

body.book-absent .book-stage {
  min-height: 100px;
  padding: 0;
}

.book-stage::before,
.book-stage::after {
  content: none;
}

.book-stage.pan-scroll {
  overflow: auto;
}
main#bookStage {
    height: stretch;
}
/* Book Wrapper - handles zoom via transform scale + native scroll panning */
.book-wrapper {
  position: relative;
  cursor: default;
  z-index: 1;
  flex-basis: 100%;
  transition: transform 0.6s var(--ease-smooth), transform-origin 0.6s var(--ease-smooth);
  transform-origin: center center;
  flex-shrink: 0;
}

/* When zoomed, ensure wrapper maintains its base dimensions */
.book-wrapper.zoomed {
  overflow: visible;
  transition: none; /* no transition during manual zoom */
}

/* Auto-focus nudge — slight zoom into active page half */
.book-wrapper.auto-focused {
  margin-top: 2rem;
}

/* Ensure wrapper doesn't collapse when content is hidden */
.book-wrapper:empty {
  display: none;
}

.book-wrapper.book-collapsed .book {
  pointer-events: none;
  animation: none;
  transition: none;
}

body.book-collapsed .book {
  filter: none;
}

body.book-collapsed .book-shadow,
body.book-collapsed .book-spine-shadow {
  opacity: 0;
}

body.no-page-image .book {
  filter: none;
}

body.no-page-image .book-shadow,
body.no-page-image .book-spine-shadow {
  opacity: 0;
}


.footer-a11y {
    text-align: center;
    margin: 40px;
} 

/* The Open Book */
.book {
  display: flex;
  align-items: flex-start; /* Align tops of both pages */
  position: relative;
  /* filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5)); */
  gap: 0; /* No gap between pages */
  transform-origin: center top;
  transition: transform 0.6s var(--ease-smooth), opacity 0.6s ease;
}

body.pageflip-enabled .book {
  justify-content: center;
}

/* Book Halves */
.book-half {
  position: relative;
  width: var(--page-width);
  height: var(--page-height);
  min-height: var(--page-height);
  max-height: var(--page-height);
  background: var(--color-paper);
  overflow: hidden;
  flex-shrink: 0;
}

.book-half::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%) translateY(6px);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(14px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.book-left::after {
  content: 'Click to go back';
}

.book-right::after {
  content: 'Click to turn page';
}

.book-half:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

body.pageflip-enabled .book-left,
 body.pageflip-enabled .book-right,
 body.pageflip-enabled .book-spine,
 body.pageflip-enabled .book-shadow,
 body.pageflip-enabled .pages-container {
  display: none !important;
}

/* Hide pageflip-root when pageflip library is not active */
body:not(.pageflip-enabled) .pageflip-root {
  display: none;
}

.pageflip-root {
  position: relative;
  pointer-events: none;
  width: calc(var(--page-width) * 2);
  height: var(--page-height);
  background: transparent;
  border-radius: 8px;
  overflow: visible;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  transform-style: preserve-3d;
  transform: translateX(var(--pageflip-shift, 0px)) rotateX(8deg) rotateZ(-1.5deg);
  transition: transform 0.6s var(--ease-smooth), box-shadow 0.6s var(--ease-smooth), width 0.5s ease;
}

.pageflip-root.pageflip-ready {
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.pageflip-root.is-flipping {
  transform: translateX(var(--pageflip-shift, 0px)) rotateX(6deg) rotateZ(-0.5deg);
}

.pageflip-root::before {
  content: '';
  position: absolute;
  inset: 12% 8% -20%;
  background: radial-gradient(ellipse at 50% 30%, rgba(0, 0, 0, 0.55), transparent 70%);
  filter: blur(25px);
  z-index: -1;
}

body.no-page-image .pageflip-root,
body.no-page-image .pageflip-root.pageflip-ready,
body.book-collapsed .pageflip-root,
body.book-collapsed .pageflip-root.pageflip-ready,
body.book-absent .pageflip-root,
body.book-absent .pageflip-root.pageflip-ready {
  box-shadow: none !important;
}

body.no-page-image .pageflip-root::before,
body.book-collapsed .pageflip-root::before,
body.book-absent .pageflip-root::before {
  content: none;
}

.pageflip-root,
.pageflip-root .stf__parent,
.pageflip-root .stf__wrapper,
.pageflip-root .stf__block {
  overflow: visible;
}

.pageflip-root .pf-page,
.pageflip-root .pf-page-inner {
  width: 100%;
  height: 100%;
  background: transparent;
}

.pageflip-root .pf-page-inner {
  overflow: hidden;
}

.pageflip-root .pf-blank {
  width: 100%;
  height: 100%;
  background: transparent;
}

.pageflip-root .stf__page {
  background: transparent;
  border-radius: 10px;
  box-shadow:
    inset -10px 0 15px rgba(0, 0, 0, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.pageflip-root img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}

.pageflip-root .pf-spread {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: 200% 100%;
}

.pageflip-root .pf-spread-left {
  background-position: left center;
}

.pageflip-root .pf-spread-right {
  background-position: right center;
}

.book-left {
  border-radius: 8px 0 0 8px;
  transform-origin: right center;
  cursor: default;
  transition: width 0.5s ease, opacity 0.5s ease, filter 0.3s ease;
  background: var(--color-paper);
  overflow: hidden;
}

/* Cover mode - single centered page */
.book.cover-mode {
  justify-content: center;
}

.book.cover-mode .book-left {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  transition: width 0.5s ease, opacity 0.3s ease;
}

.book.cover-mode .book-spine {
  display: none;
}

.book.cover-mode .book-right {
  border-radius: 8px;
}

/* Cover page specific styling */
.flip-page.cover-page {
  z-index: 100 !important;
}

/* Back cover mode - single page on LEFT only */
.book.back-cover-mode {
  justify-content: center;
}

.book.back-cover-mode .book-left {
  width: var(--page-width);
  opacity: 1;
  pointer-events: auto;
  border-radius: 8px;
  transition: width 0.5s ease, opacity 0.3s ease;
}

.book.back-cover-mode .book-right {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 0;
  transition: width 0.5s ease, opacity 0.3s ease;
}

.book.back-cover-mode .book-spine {
  display: none;
}


/* At back cover state for left page */
.book-left.at-back-cover {
  width: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Back cover page styling */
.flip-page.back-cover-page {
  z-index: 0 !important;
}

/* Back cover page should not flip - it stays static as the final page */
.flip-page.back-cover-page {
  transform: none !important;
}

/* Show back cover page in back cover mode */
.book.back-cover-mode .flip-page.back-cover-page {
  z-index: 100 !important;
}

/* Hide hover effects on back cover page */
body:not(.drag-mode) .flip-page.back-cover-page:hover,
.flip-page:hover {
  transform: none !important;
}

/* Spread mode - two page view, both pages visible at full color */
.book.spread-mode .book-left,
.book.spread-mode .book-right {
  transition: filter 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  filter: none;
  transform: scale(1);
}

/* Active page highlight - slightly zoomed with shadow to indicate focus */
.book-left.active {
  z-index: 5;
  transform: scale(1.02);
  transform-origin: right center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.book-right.active {
  z-index: 5;
  transform: scale(1.02);
  transform-origin: left center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Non-active page in spread is still fully visible, just slightly smaller */
.book.spread-mode .book-left:not(.active):not(.empty) {
  filter: none;
  transform: scale(1);
  box-shadow: none;
}

.book.spread-mode .book-right:not(.active) {
  filter: none;
  transform: scale(1);
  box-shadow: none;
}

/* Gradient overlay on non-active pages */
.book-left::after,
.book-right::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 10;
}

/* Left page gradient: black on left, transparent on right */
.book-left::after {
  background: linear-gradient(to right, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.2) 40%, transparent 100%);
  border-radius: 8px 0 0 8px;
}

/* Right page gradient: transparent on left, black on right */
.book-right::after {
  background: linear-gradient(to left, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.2) 40%, transparent 100%);
  border-radius: 0 8px 8px 0;
}

/* Show gradient on non-active page when in spread mode */
.book.spread-mode .book-left:not(.active):not(.empty)::after {
  opacity: 1;
}

.book.spread-mode .book-right:not(.active)::after {
  opacity: 1;
}

/* Hide gradient on active page */
.book-left.active::after,
.book-right.active::after {
  opacity: 0;
}

/* Hide gradient on cover and back cover modes */
.book.cover-mode .book-left::after,
.book.cover-mode .book-right::after,
.book.back-cover-mode .book-left::after,
.book.back-cover-mode .book-right::after {
  opacity: 0;
}

/* Legacy at-cover class for compatibility */
.book-left.at-cover {
  width: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

.book-left.at-cover .left-stack {
  opacity: 0;
}

.book-right {
  border-radius: 0 8px 8px 0;
  transform-origin: left center;
  cursor: pointer;
  transition: opacity 0.5s ease, filter 0.3s ease;
  perspective: 2000px;
  transform-style: preserve-3d;
  margin-left: -1px; /* Slight overlap to prevent gap */
}

/* On last page, dim the right side to indicate end */
.book-right.at-end .pages-container {
  pointer-events: none;
}

.book-right.at-end .right-stack {
  opacity: 0;
}

/* Page Stack Effect */
.page-stack {
  position: absolute;
  top: 2px;
  bottom: 2px;
  width: 8px;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-paper) 0px,
    var(--color-paper) 1px,
    var(--color-paper-shadow) 1px,
    var(--color-paper-shadow) 2px
  );
}

.left-stack {
  left: 2px;
  border-radius: 4px 0 0 4px;
  transition: opacity 0.5s ease;
}

.right-stack {
  opacity: 0;
}

/* Left Page (shows previous flipped content) */
.left-page {
  position: absolute;
  inset: 0;
  background: var(--color-paper);
  cursor: default;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  overflow: hidden;
}

.left-page .page-inner {
  width: 100%;
  height: 100%;
  position: relative;
}

.left-page .page-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.3s ease;
}

/* Left page image - always full color in spread mode */
.book-left .left-page .page-img {
  filter: none;
}

/* Empty state for left page */
.book-left.empty .left-page {
  background: linear-gradient(135deg, var(--color-paper) 0%, var(--color-paper-shadow) 100%);
}

.book-left.empty .left-page .page-inner {
  display: none;
}

/* Center Spine - Hidden as per design */
.book-spine {
  display: none !important;
  width: 0 !important;
}

/* Spine Shadows on Pages - hidden for clean look */
.book-spine-shadow {
  display: none;
}

/* Book Shadow */
.book-shadow {
  position: absolute;
  bottom: -30px;
  left: 10%;
  right: 10%;
  height: 40px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
  filter: blur(15px);
  z-index: -1;
}

/* ============================================
   Flippable Pages
   ============================================ */
.pages-container {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  perspective: 1600px;
  background: var(--color-paper);
}

.flip-page {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform-origin: left center;
  transition: transform var(--flip-speed) var(--flip-ease);
  cursor: default;
}

/* Z-index stacking - set dynamically via JS for unlimited pages */

.flip-page.flipped {
  transform: rotateY(-180deg);
}

.flip-page.flipping {
  z-index: 100 !important;
}

.flip-page::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0 6px 6px 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0));
  opacity: 0;
  transition: opacity var(--flip-speed) var(--flip-ease);
  pointer-events: none;
  z-index: 5;
}

.flip-page.flipping::before {
  opacity: 0.35;
}

.flip-page.flipped::before {
  opacity: 0.1;
}

/* Page Faces */
.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 0 6px 6px 0;
  overflow: hidden;
  background: #1a1a1a;
}

.flip-front img,
.flip-back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.3s ease;
}

/* Right page images - always full color */
.book-right .flip-front img {
  filter: none;
}

.flip-back {
  transform: rotateY(180deg);
}

.flip-back img {
  filter: none;
}

/* Page hover effects disabled - navigation via buttons/keyboard only */
.flip-page {
  transform-origin: left center; /* Flips from left spine */
}



/* Navigation zone visibility handled above for pageflip mode */

/* ============================================
   Unified Control Bar - Sticky at bottom
   Using sticky to avoid transform containment issues
   ============================================ */
.control-bar-wrapper {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 0;
  z-index: 20000;
  pointer-events: none;
}

.audio-bar-wrapper {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px) + 72px);
  transform: translateX(-50%);
  z-index: 20001;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  width: min(420px, calc(100% - 2rem));
  transition: opacity 180ms ease, transform 220ms ease, visibility 0s linear 220ms;
}

.audio-bar-wrapper.has-audio {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -4px);
  transition: opacity 180ms ease, transform 220ms ease, visibility 0s linear 0s;
}

.audio-bar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.55rem;
  padding: 0.5rem 0.6rem;
  background: linear-gradient(180deg, rgba(18, 18, 20, 0.95) 0%, rgba(10, 10, 12, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.audio-pill {
  position: relative;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  color: rgba(255, 255, 255, 0.74);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.22rem 0.52rem 0.22rem 0.95rem;
  border-radius: 999px;
  white-space: nowrap;
}

.audio-pill::before {
  content: '';
  position: absolute;
  left: 0.45rem;
  top: 50%;
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  transform: translateY(-50%);
  background: rgba(173, 173, 173, 0.8);
}

.audio-bar-wrapper.is-playing .audio-pill::before {
  background: #d2aa60;
  box-shadow: 0 0 0 4px rgba(210, 170, 96, 0.17);
}

.audio-bar audio {
  width: 100%;
  max-width: 245px;
  height: 32px;
  color-scheme: dark;
  filter: saturate(0.95) contrast(1.04);
}

@media (max-width: 640px) {
  .audio-bar-wrapper {
    width: min(360px, calc(100% - 1rem));
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px) + 68px);
  }

  .audio-pill {
    display: none;
  }

  .audio-bar audio {
    max-width: 100%;
  }
}

.control-bar {
  position: fixed;
  bottom: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 20001;
  pointer-events: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: rgba(20, 20, 20, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 0, 0, 0.3);
  max-width: calc(100% - 2rem);
  overflow-x: auto;
  overflow-y: hidden;
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;          /* Firefox */
  -ms-overflow-style: none;       /* IE/Edge */
}

.control-bar::-webkit-scrollbar {
  display: none;                  /* Chrome/Safari */
}

/* Add padding to body so content doesn't get hidden behind fixed control bar */
body {
  padding-bottom: 6rem;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.zoom-toggle-btn .zoom-level-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0.85;
}

/* Zoom popover panel — fixed positioned, placed by JS */
.zoom-popover {
  position: fixed;
  bottom: auto;
  left: auto;
  transform: scale(0.92);
  transform-origin: bottom center;
  background: rgba(18, 18, 20, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
  z-index: 30000;
  min-width: 200px;
}

.zoom-popover.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0s;
}

/* Popover arrow */
.zoom-popover::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: rgba(18, 18, 20, 0.97);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.zoom-popover-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.zoom-popover-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.zoom-popover-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
  padding: 0;
}

.zoom-popover-btn svg {
  width: 16px;
  height: 16px;
}

.zoom-popover-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.zoom-popover-btn:active {
  transform: scale(0.94);
}

.zoom-slider {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}

.zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.zoom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

.zoom-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.zoom-slider::-moz-range-thumb:hover {
  transform: scale(1.25);
}

.zoom-popover-value {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent, #c9a66b);
  letter-spacing: 0.04em;
}

.zoom-popover-reset {
  font-size: 0.65rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 0.2rem 0.65rem;
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: 0.03em;
}

.zoom-popover-reset:hover {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.control-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 0.5rem;
  flex-shrink: 0;
}

.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  font-size: 0.8rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  color: #2b2213;
  background: linear-gradient(180deg, #e2c37e 0%, #c89b50 100%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.control-btn:hover {
  background: linear-gradient(180deg, #f0d08b 0%, #d6a85b 100%);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

.control-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.control-btn:focus-visible {
  outline: 2px solid rgba(226, 195, 126, 0.8);
  outline-offset: 2px;
}

.control-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: currentColor;
}

.control-label {
  font-weight: 600;
}

.control-btn-toggle {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.control-btn-toggle.pan-active,
.control-btn-toggle.audio-active {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.control-btn.a11y-toggle.active {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}


/* Audio Controls */
.audio-icon-on,
.audio-icon-off,
.play-icon,
.pause-icon {
  width: 18px;
  height: 18px;
}

#audioPlayPause {
  background: rgba(201, 166, 107, 0.15);
  border-color: rgba(201, 166, 107, 0.3);
}

#audioPlayPause:hover {
  background: rgba(201, 166, 107, 0.25);
  border-color: var(--color-accent);
}

.page-info {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  min-width: 50px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Page Input in Control Bar */
.page-input {
  width: 3.6ch;
  min-width: 3.6ch;
  padding: 0.3rem 0.4rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  text-align: center;
  font-variant-numeric: tabular-nums;
  transition: all 0.2s ease;
}

.page-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(201, 166, 107, 0.2);
}

.page-input:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.page-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
  margin: 0 0.25rem;
}

.page-total {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  font-variant-numeric: tabular-nums;
}

/* Keep control bar fixed even when zoomed */
body.zoomed-mode .control-bar-wrapper {
  position: fixed;
  bottom: 0;
}

/* Prevent viewport breaking when zoomed */
body.zoomed-mode {
  overflow: hidden;
}


/* ============================================
   Footer
   ============================================ */
.footer {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  padding-bottom: 5rem; /* Extra space for fixed control bar */
  margin-top: 1rem;
  z-index: 10;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  opacity: 0.6;
}

.brand-sub {
  font-size: 0.8rem;
  opacity: 0.4;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
}

.footer-links span {
  opacity: 0.4;
}

.footer-link {
  color: var(--color-text);
  opacity: 0.6;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-accent);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  :root {
    --page-width: 280px;
    --page-height: 315px;
  }

  .book-layout {
    padding: 0rem;
    gap: 0rem;
  }

  .zoom-slider {
    width: 80px;
  }

  /* In-book text scaling for tablet pages */
  .in-book-title { font-size: 18px; }
  .in-book-body { font-size: 11.5px; line-height: 1.4; }
  .in-book-label { font-size: 8px; }
  .pf-page-text,
  .in-book-text-wrap,
  .page-text-content { padding: 38px 14px; }
}

@media (max-width: 700px) {
  .book-layout {
    flex-direction: column;
    min-height: calc(100vh - 52px);
    min-height: calc(100svh - 52px); /* accounts for mobile browser chrome */
    padding: 0;
    gap: 0;
  }

  .book-layout > .book-stage {
    flex: 1;
    max-width: 100%;
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
  }

  :root {
    --page-width: 44vw;
    --page-height: 49.5vw;
  }

  .book-stage {
    padding: 0.5rem;
    overflow: clip;
  }

  /* In-book text scaling for mobile pages */
  .in-book-title { font-size: clamp(13px, 4vw, 18px); }
  .in-book-body { font-size: clamp(9px, 2.5vw, 11.5px); line-height: 1.38; }
  .in-book-label { font-size: clamp(6px, 1.6vw, 8px); }
  .pf-page-text,
  .in-book-text-wrap,
  .page-text-content { padding: 6vw 10px; }

  .book-wrapper {
    max-width: 100%;
  }

  .header {
    padding: 3.5rem 1rem 1rem;
  }

  .header-title span {
    font-size: 0.5rem;
    letter-spacing: 0.2em;
  }

  .control-bar {
    bottom: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    padding: 0.6rem 1rem;
    gap: 0.35rem;
    border-radius: 30px;
  }

  .control-group {
    gap: 0.25rem;
  }

  .control-divider {
    height: 20px;
    margin: 0 0.25rem;
  }

  .control-btn {
    padding: 0.4rem 0.5rem;
    font-size: 0.75rem;
  }

  .control-btn svg {
    width: 16px;
    height: 16px;
  }

  .control-label {
    display: none;
  }

  .page-info,
  .zoom-display {
    font-size: 0.75rem;
    min-width: 40px;
  }

  .page-input {
    width: 32px;
    padding: 0.25rem 0.3rem;
    font-size: 0.8rem;
  }

  .page-divider,
  .page-total {
    font-size: 0.75rem;
  }

  .audio-icon-on,
  .audio-icon-off,
  .play-icon,
  .pause-icon {
    width: 16px;
    height: 16px;
  }

  body {
    padding-bottom: 5.5rem;
  }


  .footer {
    position: relative;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1rem 5rem;
    background: none;
  }

  .footer-brand {
    order: 2;
  }

  .footer-links {
    font-size: 0.7rem;
  }

}

@media (max-width: 480px) {
  :root {
    --page-width: 46vw;
    --page-height: 51.75vw;
  }

  .book {
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.5));
  }

  .control-bar {
    bottom: 0.75rem;
    bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    padding: 0.5rem 0.75rem;
    gap: 0.3rem;
  }

  .control-btn {
    padding: 0.35rem 0.4rem;
  }

  .control-btn svg {
    width: 14px;
    height: 14px;
  }

  .control-divider {
    display: none;
  }

  .page-info,
  .zoom-display {
    font-size: 0.7rem;
    min-width: 35px;
  }

  .page-input {
    width: 28px;
    padding: 0.2rem 0.25rem;
    font-size: 0.75rem;
  }

  .page-divider,
  .page-total {
    font-size: 0.7rem;
  }

  .audio-icon-on,
  .audio-icon-off,
  .play-icon,
  .pause-icon {
    width: 14px;
    height: 14px;
  }

  body {
    padding-bottom: 5rem;
  }

}

/* Short viewport / landscape mode */
@media (max-height: 500px) {
  .control-bar {
    bottom: 0.5rem;
    bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
    padding: 0.4rem 0.6rem;
    gap: 0.2rem;
  }

  .control-btn {
    padding: 0.3rem 0.35rem;
  }

  .control-btn svg {
    width: 14px;
    height: 14px;
  }

  .header {
    padding: 3rem 1rem 0.5rem;
  }

  .footer {
    padding: 0.5rem 1rem 4rem;
  }

}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .flip-page:not(.flipped):hover {
    transform: none;
  }

  .book-half::after {
    display: none;
  }

  .zoom-btn:hover {
    transform: none;
  }
}

/* ============================================
   Animations
   ============================================ */

/* Intro animation - book fades in */
.book-wrapper.intro .book {
  opacity: 0;
  animation: none;
}

/* After intro completes */
@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.book {
  animation: subtleFloat 8s ease-in-out infinite;
  transition: transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.8s ease;
}

.book-wrapper.zoomed .book {
  animation: none;
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Label shimmer removed for better readability */

/* ============================================
   Lazy Loading & Page Loader
   ============================================ */
.page-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-paper);
  z-index: 5;
  transition: opacity 0.3s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.lazy-img {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lazy-img.loaded {
  opacity: 1;
}


/* ============================================
   In-Book Text Content (text rendered on book pages)
   ============================================ */
.pf-page-text,
.in-book-text-wrap,
.page-text-content {
  width: 100%;
  height: 100%;
  background: var(--color-paper);
  color: #2b241b;
  padding: 46px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  box-sizing: border-box;
}

.pf-page-text {
  border-radius: 10px;
}

.page-text-content {
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.text-fit-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  min-height: 0;
  --in-book-break-gap: 0.72em;
}

.in-book-label {
  margin: auto;
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8b6914;
  margin-bottom: 8px;
  padding: 3px 8px;
  border: 1px solid rgba(139, 105, 20, 0.3);
  border-radius: 10px;
  background: rgba(139, 105, 20, 0.08);
  align-self: flex-start;
}

.in-book-label:empty {
  display: none;
}

.in-book-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.15;
  color: #2b241b;
  margin: 0 0 8px;
}

.in-book-title:empty {
  display: none;
  margin: 0;
}

.in-book-body {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.42;
  color: #3a3024;
  overflow: hidden;
}

.in-book-break {
  display: block;
  height: var(--in-book-break-gap);
  width: 100%;
}

.in-book-body em {
  font-style: italic;
  color: #5a4a2a;
}

.in-book-body strong {
  font-weight: 600;
}

/* PageFlip library: ensure text pages have proper background */
.pageflip-root .pf-page-text {
  background-color: var(--color-paper) !important;
}

.pageflip-root .pf-page-text.has-bg-image {
  background-color: transparent !important;
}

.pageflip-root .stf__page:has(.pf-page-text) {
  background: var(--color-paper);
}

.pageflip-root .stf__page:has(.pf-page-text.has-bg-image) {
  background: transparent;
}

/* Spread image background on text pages */
.pf-page-text.has-bg-image,
.in-book-text-wrap.has-bg-image,
.page-text-content.has-bg-image {
  background-color: transparent;
  position: relative;
}

.pf-page-text.has-bg-image::before,
.in-book-text-wrap.has-bg-image::before,
.page-text-content.has-bg-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(248, 246, 241, 0.86);
  border-radius: inherit;
  z-index: 0;
}

.has-bg-image > * {
  position: relative;
  z-index: 1;
}

/* Opening & Closing cards — below the book on its own row */
.opening-card,
.closing-card {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  max-width: 400px;
  width: calc(100% - 2rem);
  padding: 28px 28px;
  text-align: center;
  background: rgba(18, 14, 10, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  backdrop-filter: blur(14px);
  z-index: 10;
  opacity: 1;
  transition: opacity 0.4s ease;
  /* JS will set bottom positioning */
}

.opening-card.hidden,
.closing-card.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}


.opening-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 18px;
  padding: 0.6rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.opening-card-btn:hover {
  background: #dbb77a;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201, 166, 107, 0.3);
}

.opening-card-btn svg {
  flex-shrink: 0;
}

.opening-card .in-book-label,
.closing-card .in-book-label {
  color: var(--color-accent);
  border-color: var(--color-accent-dim);
  background: rgba(201, 166, 107, 0.1);
}

.opening-card .in-book-title,
.closing-card .in-book-title {
  color: var(--color-text);
  font-family: var(--font-display);
}

.opening-card .in-book-body,
.closing-card .in-book-body {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  line-height: 1.7;
}

.opening-card .in-book-body em,
.closing-card .in-book-body em {
  color: rgba(255, 255, 255, 0.6);
}

.opening-card .in-book-break,
.closing-card .in-book-break {
  height: 0.6em;
}

.closing-cta {
  display: inline-block;
  margin-top: 0.5em;
  padding: 0.6em 1.4em;
  font-family: var(--font-body);
  font-size: 0.9em;
  font-weight: 600;
  color: var(--color-bg);
  background: var(--color-accent);
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.2s ease;
}

.closing-cta:hover {
  background: #d4b479;
  transform: translateY(-1px);
}

/* Page-click toast nudge */
.page-click-toast {
  position: fixed;
  bottom: 5.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 0.55rem 1.2rem;
  background: rgba(201, 166, 107, 0.95);
  color: #120d0b;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 20px;
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-click-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-click-toast-icon {
  margin-right: 0.4em;
  font-size: 0.9em;
  opacity: 0.7;
}

/* Briefly pulse the control bar when toast shows */
.control-bar.toast-highlight {
  box-shadow: 0 0 0 2px var(--color-accent), 0 0 12px rgba(201, 166, 107, 0.3);
  transition: box-shadow 0.3s ease;
}

@media (max-width: 900px) {
  .opening-card,
  .closing-card {
    max-width: 320px;
    padding: 24px 22px;
  }
}

/* Text Slide - shown when book collapses for text-only pages */
.text-slide {
  width: 100%;
  max-width: 520px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.text-slide-inner {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(10px);
}

.text-slide .in-book-label {
  color: var(--color-accent);
  border-color: var(--color-accent-dim);
  background: rgba(201, 166, 107, 0.1);
}

.text-slide .in-book-title {
  font-family: var(--font-display);
  color: var(--color-text);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

.text-slide .in-book-body {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.75;
}

.text-slide .text-fit-wrap {
  --in-book-break-gap: 0.8em;
}

.text-slide .in-book-body em {
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   IMMERSIVE STORY EXPERIENCE
   Full-screen, scroll-based narrative
   ============================================ */

/* Story Container */
.story-container {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.story-container.ready {
  opacity: 1;
}

/* Pages Container */
.story-pages {
  position: absolute;
  inset: 0;
}

/* Individual Page */
.story-page {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.story-page.active {
  opacity: 1;
  visibility: visible;
  z-index: 10;
}

/* Page Transitions */
.story-page.page-exit {
  z-index: 5;
}

.story-page.page-exit.exit-up {
  animation: exitUp 0.6s ease forwards;
}

.story-page.page-exit.exit-down {
  animation: exitDown 0.6s ease forwards;
}

.story-page.page-enter.enter-up {
  animation: enterUp 0.6s ease forwards;
}

.story-page.page-enter.enter-down {
  animation: enterDown 0.6s ease forwards;
}

@keyframes exitUp {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-8%) scale(0.95); }
}

@keyframes exitDown {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(8%) scale(0.95); }
}

@keyframes enterUp {
  from { opacity: 0; transform: translateY(8%) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes enterDown {
  from { opacity: 0; transform: translateY(-8%) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Page Background (blurred ambient) */
.page-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(30px) brightness(0.25) saturate(0.6);
  transform: scale(1.2);
  transition: transform 8s ease;
}

.story-page.active .page-bg {
  transform: scale(1.1);
}

/* Page Layout - Illustration + Text side by side */
.page-layout {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  max-width: 1100px;
  width: 100%;
  padding: 0.5rem;
  padding-bottom: 3.5rem; /* Space for nav */
  min-height: 0;
  height: calc(100vh - 3.5rem);
  height: calc(100svh - 3.5rem); /* Small viewport height - accounts for mobile browser UI */
  overflow: hidden;
  box-sizing: border-box;
}

/* Illustration Panel */
.page-illustration {
  flex: 0 0 auto;
  max-width: 400px;
  width: 40%;
  max-height: 55vh;
  display: flex;
  align-items: center;
}

.illustration-frame {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  /* box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5); */
  /* background: var(--color-bg); */
  cursor: zoom-in;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  max-height: 55vh;
}

.illustration-frame:hover {
  transform: scale(1.02);
  /* box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6); */
}

.illustration-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 55vh;
  object-fit: contain;
}

.zoom-btn {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease, background 0.2s ease;
}

.illustration-frame:hover .zoom-btn {
  opacity: 1;
}

.zoom-btn:hover {
  background: rgba(0, 0, 0, 0.9);
  border-color: var(--color-accent);
}

.zoom-btn svg {
  width: 20px;
  height: 20px;
}

/* Page Content (Text) */
.page-content {
  flex: 1;
  max-width: 500px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

/* Page Label */
.page-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-accent-dim);
  border-radius: 20px;
  background: rgba(201, 166, 107, 0.1);
}

.page-label:empty {
  display: none;
}

/* Page Title */
.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.page-title:empty {
  display: none;
  margin: 0;
}

/* Page Body */
.page-body {
  font-family: var(--font-body);
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
}

.page-body:empty {
  display: none;
}

/* Quotes and dialogue - use display font */
.page-body em {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05em;
}

.page-body strong {
  font-weight: 600;
  color: var(--color-text);
}

/* Page Number */
.page-number {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  opacity: 0.3;
  font-variant-numeric: tabular-nums;
}

/* ============================================
   Story Page Style Variations
   ALL layouts are side-by-side (image left/right of text)
   ============================================ */

/* Base side-by-side settings */
.story-page .page-layout {
  flex-direction: row;
  gap: 2.5rem;
}

.story-page .page-illustration {
  max-width: 380px;
  width: 42%;
  max-height: 70vh;
  flex-shrink: 0;
}

.story-page .illustration-frame,
.story-page .illustration-img {
  max-height: 70vh;
}

.story-page .page-content {
  flex: 1;
  text-align: left;
  align-items: flex-start;
}

/* Cover Style - Image LEFT, text right */
.story-page-cover .page-layout {
  flex-direction: row;
}

.story-page-cover .page-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.story-page-cover .page-body {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-style: italic;
  color: var(--color-accent);
}

.story-page-cover .page-label {
  display: none;
}

/* Section Title Style - Image RIGHT, text left */
.story-page-section-title .page-layout {
  flex-direction: row-reverse;
}

.story-page-section-title .page-label {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-style: italic;
  letter-spacing: 0.02em;
  border: none;
  background: none;
  padding: 0;
  margin-bottom: 0;
  color: var(--color-text);
}

.story-page-section-title .page-title {
  display: none;
}

.story-page-section-title .page-body {
  display: none;
}

/* Quote Style - Image LEFT, text right */
.story-page-quote .page-layout {
  flex-direction: row;
}

.story-page-quote .page-title {
  display: none;
}

.story-page-quote .page-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  margin-bottom: 0.75rem;
}

.story-page-quote .page-body {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text);
}

.story-page-quote .page-body em {
  font-family: var(--font-display);
  font-size: 1em;
}

/* Verse Style - Image RIGHT, text left */
.story-page-verse .page-layout {
  flex-direction: row-reverse;
}

.story-page-verse .page-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  margin-bottom: 0.75rem;
}

.story-page-verse .page-body {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-style: italic;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.story-page-verse .page-body br {
  display: block;
  content: "";
  margin: 0.35em 0;
}

.story-page-verse .page-title {
  display: none;
}

/* Prose Style - Image LEFT, text right */
.story-page-prose .page-layout {
  flex-direction: row;
}

.story-page-prose .page-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--color-accent);
  margin-bottom: 0.6rem;
  font-weight: 500;
}

.story-page-prose .page-body {
  font-family: var(--font-body);
  font-size: clamp(0.8rem, 1.6vw, 0.92rem);
  line-height: 1.75;
}

.story-page-prose .page-body br {
  display: block;
  content: "";
  margin: 0.5em 0;
}

/* Prose Intimate Style - Image RIGHT, text left */
.story-page-prose-intimate .page-layout {
  flex-direction: row-reverse;
}

.story-page-prose-intimate .page-body {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  font-style: italic;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
}

.story-page-prose-intimate .page-body br {
  display: block;
  content: "";
  margin: 0.4em 0;
}

.story-page-prose-intimate .page-title {
  display: none;
}

/* Closing Style - Image LEFT, text right */
.story-page-closing .page-layout {
  flex-direction: row;
}

.story-page-closing .page-title {
  display: none;
}

.story-page-closing .page-body {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-style: italic;
  line-height: 1.7;
}

.story-page-closing .page-body br {
  display: block;
  content: "";
  margin: 0.35em 0;
}

/* Dedication Style - Image RIGHT, text left */
.story-page-dedication .page-layout {
  flex-direction: row-reverse;
}

.story-page-dedication .page-body {
  font-family: var(--font-body);
  font-size: clamp(0.8rem, 1.6vw, 0.9rem);
  line-height: 1.8;
}

.story-page-dedication .page-body strong {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-weight: 500;
  font-style: italic;
}

.story-page-dedication .page-body br {
  display: block;
  content: "";
  margin: 0.5em 0;
}

.story-page-dedication .page-title {
  display: none;
}

/* Default style fallback - Image LEFT */
.story-page-default .page-layout {
  flex-direction: row;
}

/* ============================================
   Story Navigation
   ============================================ */

.story-nav {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: rgba(20, 20, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  backdrop-filter: blur(20px);
}

.story-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.story-nav-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
}

.story-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.story-nav-btn svg {
  width: 20px;
  height: 20px;
}

/* Nav Divider */
.story-nav-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 0.5rem;
}

/* Zoom Controls */
.story-zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.story-zoom-level {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  min-width: 45px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Page layout zoom transition */
.page-layout {
  transition: transform 0.2s ease;
}

/* Cursor styles for pan/drag when zoomed */
.story-pages[style*="grab"] {
  cursor: grab;
}

.story-pages[style*="grabbing"] {
  cursor: grabbing;
}

/* Visual indicator that page is zoomed and draggable */
.story-pages[style*="grab"] .page-layout {
  transition: transform 0.1s ease;
}

/* ============================================
   Zoom Overlay
   ============================================ */

.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
}

.zoom-overlay.active {
  opacity: 1;
  visibility: visible;
}

.zoom-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.zoom-image {
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
}

.zoom-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: background 0.2s ease;
}

.zoom-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.zoom-close svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   Focus Word Animations
   Use <span class="focus">word</span> in content
   ============================================ */

.focus {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 500;
  opacity: 0;
  transform: translateY(10px);
  animation: focusReveal 0.6s ease forwards;
  animation-play-state: paused;
}

/* Animate when page is active */
.story-page.active .focus {
  animation-play-state: running;
}

/* Stagger animation delays */
.focus:nth-child(1) { animation-delay: 0.3s; }
.focus:nth-child(2) { animation-delay: 0.5s; }
.focus:nth-child(3) { animation-delay: 0.7s; }
.focus:nth-child(4) { animation-delay: 0.9s; }
.focus:nth-child(5) { animation-delay: 1.1s; }

/* For multiple focus words, use data-delay attribute */
.focus[data-delay="1"] { animation-delay: 0.3s; }
.focus[data-delay="2"] { animation-delay: 0.6s; }
.focus[data-delay="3"] { animation-delay: 0.9s; }
.focus[data-delay="4"] { animation-delay: 1.2s; }
.focus[data-delay="5"] { animation-delay: 1.5s; }

@keyframes focusReveal {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Glow variant */
.focus.glow {
  text-shadow: 0 0 0 transparent;
  animation: focusGlow 0.8s ease forwards;
}

@keyframes focusGlow {
  0% {
    opacity: 0;
    text-shadow: 0 0 0 transparent;
  }
  50% {
    opacity: 1;
    text-shadow: 0 0 20px var(--color-accent);
  }
  100% {
    opacity: 1;
    text-shadow: 0 0 8px rgba(201, 166, 107, 0.4);
  }
}

/* Scale variant */
.focus.scale {
  animation: focusScale 0.7s ease forwards;
}

@keyframes focusScale {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  70% {
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Underline variant */
.focus.underline {
  background: linear-gradient(var(--color-accent), var(--color-accent)) no-repeat;
  background-size: 0% 2px;
  background-position: 0 100%;
  animation: focusUnderline 0.8s ease forwards;
}

@keyframes focusUnderline {
  0% {
    opacity: 0;
    background-size: 0% 2px;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    background-size: 100% 2px;
  }
}

/* Typewriter variant */
.focus.type {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--color-accent);
  animation: focusType 1s steps(20) forwards, focusBlink 0.5s step-end infinite;
}

@keyframes focusType {
  0% {
    width: 0;
    opacity: 1;
  }
  100% {
    width: 100%;
    opacity: 1;
  }
}

@keyframes focusBlink {
  50% {
    border-color: transparent;
  }
}

/* Reading mode toggle */
.story-reading-toggle.active {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.story-reading-toggle.active svg {
  stroke: var(--color-bg);
}

/* Word animation */
.word {
  display: inline;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  line-height: inherit;
}

.word-hidden {
  opacity: 0;
  transform: translateY(8px);
}

.word-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.story-progress {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-variant-numeric: tabular-nums;
  min-width: 60px;
  justify-content: center;
}

.story-current {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-accent);
}

.story-divider {
  color: rgba(255, 255, 255, 0.3);
}

.story-total {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

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

@media (max-width: 900px) {
  /* Tablet - just hide zoom level text */
  .story-zoom-level {
    display: none;
  }
}

@media (max-width: 700px) {
  /* Mobile */
  .page-layout {
    height: calc(100vh - 3rem);
    height: calc(100svh - 3rem);
    padding-bottom: 3rem;
  }

  /* All pages - stack vertically on mobile */
  .story-page .page-layout {
    flex-direction: column !important;
    gap: 1rem;
  }

  .story-page .page-illustration {
    max-height: 35vh;
    width: auto;
    max-width: 80%;
  }

  .story-page .illustration-frame,
  .story-page .illustration-img {
    max-height: 35vh;
  }

  .story-page .page-content {
    text-align: center;
    align-items: center;
    max-width: 95%;
  }

  .story-nav {
    bottom: 0.5rem;
    padding: 0.4rem 0.6rem;
    gap: 0.4rem;
  }

  .story-nav-btn {
    width: 32px;
    height: 32px;
  }

  .story-nav-btn svg {
    width: 14px;
    height: 14px;
  }

  .story-current {
    font-size: 1rem;
  }

  .story-total {
    font-size: 0.7rem;
  }

  .page-number {
    display: none;
  }

  /* Zoom button always visible on touch */
  .zoom-btn {
    opacity: 1;
  }

  .zoom-close {
    top: 1rem;
    right: 1rem;
    position: fixed;
  }
}

@media (max-width: 480px) {
  /* Small phones - compact nav */
  .story-nav {
    bottom: 0.25rem;
    padding: 0.3rem 0.5rem;
    gap: 0.25rem;
  }

  .story-nav-btn {
    width: 28px;
    height: 28px;
  }

  .story-nav-btn svg {
    width: 12px;
    height: 12px;
  }

  .story-nav-divider {
    display: none;
  }

  .story-zoom-level {
    display: none;
  }
}

/* ============================================
   Page Slider / Scrubber
   ============================================ */

.page-slider-wrapper {
  position: fixed;
  bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 20002;
  /* Match the control bar width — same max-width and padding logic */
  width: auto;
  padding: 0.5rem 1.25rem;
  pointer-events: auto;
}

.page-slider-track {
  position: relative;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  cursor: pointer;
  transition: height 0.2s ease, background 0.2s ease;
  outline: none;
}

.page-slider-track:hover,
.page-slider-track:focus-visible {
  height: 8px;
  background: rgba(255, 255, 255, 0.15);
}

.page-slider-track:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent, #c9a66b);
}

.page-slider-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent, #c9a66b), #e8c882);
  border-radius: 3px;
  pointer-events: none;
  transition: width 0.15s ease;
}

.page-slider-track.dragging .page-slider-fill {
  transition: none;
}

.page-slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  background: var(--color-accent, #c9a66b);
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 0 0 rgba(201, 166, 107, 0);
  transition: transform 0.15s ease, box-shadow 0.2s ease, width 0.15s ease, height 0.15s ease;
  z-index: 2;
}

.page-slider-track.dragging .page-slider-thumb {
  transition: none;
}

.page-slider-thumb:hover {
  transform: translate(-50%, -50%) scale(1.2);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), 0 0 0 4px rgba(201, 166, 107, 0.2);
}

.page-slider-track.dragging .page-slider-thumb {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.3);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5), 0 0 0 6px rgba(201, 166, 107, 0.25);
}

.page-slider-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: rgba(20, 20, 20, 0.95);
  color: var(--color-accent, #c9a66b);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.page-slider-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(20, 20, 20, 0.95);
}

.page-slider-track:hover .page-slider-tooltip,
.page-slider-track.dragging .page-slider-tooltip {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

@media (max-width: 640px) {
  .page-slider-wrapper {
    bottom: calc(4rem + env(safe-area-inset-bottom, 0px));
  }

  .page-slider-thumb {
    width: 22px;
    height: 22px;
  }
}

/* ============================================
   Drag-to-flip cursor styles
   ============================================ */

.book-right {
  cursor: pointer;
}

.book-right.drag-active {
  cursor: grabbing;
}

.book-left {
  cursor: pointer;
}

.book-left.drag-active {
  cursor: grabbing;
}

/* Drag hint on right page edge */
.flip-page .flip-front::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(to left, rgba(0, 0, 0, 0.06), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 5;
}

.book-right:not(.drag-active):hover .flip-page:not(.flipped) .flip-front::after {
  opacity: 1;
}

/* Corner peel hint */
.flip-page:not(.flipped) .flip-front::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 28px 28px;
  border-color: transparent transparent rgba(201, 166, 107, 0.2) transparent;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 6;
}

.book-right:not(.drag-active):hover .flip-page:not(.flipped) .flip-front::before {
  opacity: 1;
}

/* During drag, disable transitions on flip pages for real-time response */
.flip-page.drag-flipping {
  transition: none !important;
}

/* Shadow during drag */
.flip-page.drag-flipping::after {
  content: '';
  position: absolute;
  top: 0;
  left: -30px;
  width: 30px;
  height: 100%;
  background: linear-gradient(to left, rgba(0, 0, 0, 0.25), transparent);
  pointer-events: none;
  z-index: 10;
}