/* Generic Book Reader Styles */

body {
    font-family: "EB Garamond", serif;
}

a {
    text-decoration: underline solid rgba(0, 0, 0, 0.1);
    color: inherit;
}

/* Book container - Vertical scroll-snap pagination */
#book-container {
  font-family: "EB Garamond", serif;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  
  /* Scroll snap for page-by-page */
  scroll-snap-type: y proximity;
  
  /* Hide scrollbar */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

#book-container::-webkit-scrollbar {
  display: none;
}

/* Wrapper for vertical content */
.book-page-content {
  min-height: 100vh;
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

/* Page helper class - for individual page styling */
.page {
  width: 100vw;
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  
  /* Scroll snap alignment */
  scroll-snap-align: start;
  scroll-snap-stop: always;
  
  /* No padding or margin */
  padding: 0;
  margin: 0;
  
  /* Allow background images */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Text content within page - constrained width for readability */
.page > p,
.page > h1,
.page > h2,
.page > h3,
.page > h4,
.page > h5,
.page > h6,
.page > blockquote,
.page > ul,
.page > ol {
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2rem;
  box-sizing: border-box;
}

/* First text element adds top padding */
.page > :first-child:is(p, h1, h2, h3, h4, h5, h6) {
  padding-top: 4rem;
}

/* Last text element adds bottom padding */
.page > :last-child:is(p, h1, h2, h3, h4, h5, h6, blockquote, ul, ol) {
  padding-bottom: 4rem;
}

/* Images within page are full width */
.page > img,
.page img {
  width: 100vw;
  max-width: 100vw;
  height: auto;
  display: block;
  margin: 0;
  padding: 0;
}

/* Divs within page - no constraints */
.page > div {
  margin: 0;
  padding: 0;
}

/* Full-bleed page variant - for background images, no constraints */
.page.full-bleed {
  padding: 0;
  margin: 0;
  position: relative;
}

.page.full-bleed > * {
  padding: 0;
  max-width: none;
  margin: 0;
}

/* Center content within page */
.page.center {
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .page > p,
  .page > h1,
  .page > h2,
  .page > h3,
  .page > h4,
  .page > h5,
  .page > h6,
  .page > blockquote,
  .page > ul,
  .page > ol {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Minimal nav for book mode - hidden by default */
.book-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  
  /* Hidden by default */
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.book-nav.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.book-nav .logo {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.05em;
  opacity: 0.5;
  transition: opacity 0.3s;
  text-decoration: none;
  color: inherit;
}

@media (min-width: 768px) {
  .book-nav .logo {
    font-size: 2.5rem;
  }
}

.book-nav .logo:hover {
  opacity: 1;
}

.page-counter {
  font-size: 0.9rem;
  opacity: 0.5;
  font-family: "EB Garamond", serif;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .page-counter {
    font-size: 0.8rem;
  }
}

.book-header {
  filter: blur(0.5px);
  width: 100vw;
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0;
  margin: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.book-title {
  font-size: 4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .book-title {
    font-size: 3rem;
  }
}

.book-author {
  font-size: 2rem;
  font-style: italic;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .book-author {
    font-size: 2rem;
  }
}

/* Chapters */
.book-chapter {
  width: 100vw;
  box-sizing: border-box;
  line-height: 1.5;
  padding: 0;
}

/* Each chapter section should snap */
.book-chapter > * {
  scroll-snap-align: start;
}

.book-chapter:not(.active) {
  display: none;
}

.chapter-title {
  font-size: 2rem;
  font-weight: 600;
  margin: 0;
  padding: 0;
}

.chapter-content {
  font-size: 1.25rem;
  text-align: justify;
  text-justify: inter-word;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Constrain text elements for readability */
.chapter-content > p,
.chapter-content > h1,
.chapter-content > h2,
.chapter-content > h3,
.chapter-content > h4,
.chapter-content > h5,
.chapter-content > h6,
.chapter-content > blockquote,
.chapter-content > hr,
.chapter-content > pre {
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
  box-sizing: border-box;
}

/* Lists need special handling for markers */
.chapter-content > ul,
.chapter-content > ol {
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem; /* 2rem container + 2rem for markers */
  padding-right: 2rem;
  box-sizing: border-box;
}

/* Make images full width */
.chapter-content img {
  width: 100vw;
  max-width: 100vw;
  height: auto;
  display: block;
  padding: 0;
  margin: 0;
}

@media (max-width: 768px) {
  .chapter-content img {
    width: 100vw;
    margin: 0;
  }
}

@media (max-width: 768px) {
  .chapter-content {
    font-size: 1.1rem;
  }
  
  .chapter-content > p,
  .chapter-content > h1,
  .chapter-content > h2,
  .chapter-content > h3,
  .chapter-content > h4,
  .chapter-content > h5,
  .chapter-content > h6,
  .chapter-content > blockquote,
  .chapter-content > hr,
  .chapter-content > pre {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

.chapter-content h1 {
  font-size: 1.75rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .chapter-content h1 {
    font-size: 1.5rem;
  }
}

.chapter-content h2 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.chapter-content h3 {
  font-size: 1.25rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.chapter-content p {
  margin-bottom: 1.5rem;
}

/* Add top padding to first text element */
.chapter-content > :first-child:is(p, h1, h2, h3, h4, h5, h6) {
  padding-top: 4rem;
}

/* Add bottom padding to last text element */
.chapter-content > :last-child:is(p, h1, h2, h3, h4, h5, h6, blockquote, ul, ol) {
  padding-bottom: 4rem;
}

.chapter-content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.02);
  font-style: italic;
}

.chapter-content blockquote p:last-child {
  margin-bottom: 0;
}

.chapter-content ul,
.chapter-content ol {
  margin: 1.5rem 0;
  /* Padding handled above in constraint rule */
}

/* Ensure lists are always constrained even if not direct children */
.chapter-content ul,
.chapter-content ol {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.chapter-content li {
  margin-bottom: 0.5rem;
}

.chapter-content code {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.chapter-content pre {
  background: rgba(0, 0, 0, 0.05);
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.chapter-content pre code {
  background: none;
  padding: 0;
}

.chapter-content hr {
  margin: 2rem 0;
  border: none;
  border-top: 2px solid rgba(0, 0, 0, 0.1);
}

.chapter-content strong {
  font-weight: 600;
}

.chapter-content em {
  font-style: italic;
}

/* Chapter navigation links */
.chapter-link {
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.3s;
}

.chapter-link:hover {
  opacity: 0.7;
}

/* Progress indicator - hidden by default */
.book-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  text-align: center;
  font-size: 0.9rem;
  z-index: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  
  /* Hidden by default */
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.book-progress.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.book-progress #progress-text {
  flex: 1;
}

.book-progress #progress-text::after {
  content: '  ☞';
  vertical-align: middle;
}

.chapters-btn {
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.3s;
  pointer-events: auto;
}

.chapters-btn:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* Table of Contents Overlay */
.toc-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 200;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.toc-overlay.hidden {
  display: none;
}

.toc-container {
  background: white;
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.toc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 2px solid rgba(0, 0, 0, 0.1);
}

.toc-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.close-toc {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 2rem;
  height: 2rem;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.close-toc:hover {
  opacity: 1;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;
  padding: 1rem 0;
}

.toc-list li {
  margin: 0;
}

.toc-link {
  display: block;
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
  border-left: 3px solid transparent;
}

.toc-link:hover {
  background: rgba(0, 0, 0, 0.05);
  border-left-color: currentColor;
}