/* ==========================================================================
   EBOOK INTERATIVO MARINA DAYRELL - DESIGN SYSTEM & FLIPBOOK ENGINE
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Italianno&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --color-moss-deep: #1A2619;
  --color-moss-mid: #253823;
  --color-olive: #4E5D46;
  --color-sage: #8F9E87;
  --color-sage-light: #E7ECE5;
  --color-terracotta: #C2846F;
  --color-terracotta-light: #F6ECE8;
  --color-gold: #C59B58;
  --color-gold-light: #E4CCA1;
  --color-paper: #FAF8F3;
  --color-paper-alt: #F3EFE8;
  --color-text: #2C2926;
  --color-text-muted: #615C56;
  --font-serif-title: 'Playfair Display', Georgia, serif;
  --font-serif-body: 'Cormorant Garamond', Garamond, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-script: 'Italianno', cursive;
  --page-width: 580px;
  --page-height: 860px;
  --shadow-book: 0 30px 70px rgba(10, 15, 10, 0.4), 0 10px 25px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: #121A11;
  background-image: radial-gradient(circle at 50% 30%, #1D2B1B 0%, #0F160E 100%);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  user-select: none;
}

/* ==========================================================================
   APP HEADER & CONTROLS TOOLBAR
   ========================================================================== */

.app-header {
  height: 64px;
  background: rgba(26, 38, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(197, 155, 88, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  color: #FFF;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.brand-text h1 {
  font-family: var(--font-serif-title);
  font-size: 1.05rem;
  font-weight: 600;
  color: #FFF;
  letter-spacing: 0.5px;
}

.brand-text p {
  font-size: 0.72rem;
  color: var(--color-gold-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.controls-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(197, 155, 88, 0.25);
  color: #FFF;
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font-sans);
}

.tool-btn:hover {
  background: rgba(197, 155, 88, 0.25);
  border-color: var(--color-gold);
  transform: translateY(-1px);
}

.tool-btn.active {
  background: var(--color-gold);
  color: var(--color-moss-deep);
  border-color: var(--color-gold);
  font-weight: 600;
}

.tool-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ==========================================================================
   VIEWPORT & FLIPBOOK WRAPPER
   ========================================================================== */

.ebook-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  position: relative;
  min-height: calc(100vh - 130px);
}

.flipbook-container {
  box-shadow: var(--shadow-book);
  border-radius: 6px;
  overflow: visible;
  position: relative;
  transition: transform 0.3s ease;
}

/* Page Frame */
.page {
  width: var(--page-width);
  height: var(--page-height);
  background-color: var(--color-paper);
  background-image: url('../decor/paper_grain.png');
  background-repeat: repeat;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

/* Left page vs Right page spine shadows */
.page.--left {
  border-radius: 6px 0 0 6px;
  box-shadow: inset -15px 0 25px -10px rgba(0, 0, 0, 0.15);
}

.page.--right {
  border-radius: 0 6px 6px 0;
  box-shadow: inset 15px 0 25px -10px rgba(0, 0, 0, 0.15);
}

/* Page Outer Corner Depth */
.page.--left::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(to right, rgba(0,0,0,0.08), transparent);
  pointer-events: none;
}

.page.--right::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(to left, rgba(0,0,0,0.08), transparent);
  pointer-events: none;
}

/* ==========================================================================
   PAGE TEMPLATES & EDITORIAL STYLES
   ========================================================================== */

.page-inner {
  padding: 34px 32px 26px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
  box-sizing: border-box;
}

.page-content-flow {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
  margin-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(197, 155, 88, 0.4) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-content-flow::-webkit-scrollbar {
  width: 3px;
}

.page-content-flow::-webkit-scrollbar-thumb {
  background: rgba(197, 155, 88, 0.35);
  border-radius: 3px;
}

.page-illustration-wrap {
  float: right;
  width: 145px;
  max-width: 40%;
  margin: 0 0 12px 14px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.page-illustration-img {
  width: 100%;
  max-height: 175px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.18));
}

/* Running Header & Footer */
.page-header {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-olive);
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(78, 93, 70, 0.15);
  padding-bottom: 6px;
  margin-bottom: 16px;
}

.page-footer {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid rgba(78, 93, 70, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.page-number {
  font-family: var(--font-serif-title);
  font-size: 0.85rem;
  color: var(--color-gold);
  font-weight: 600;
}

/* Typography Inside Pages */
.page-inner h2.chapter-num {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-terracotta);
  margin-bottom: 4px;
  font-weight: 700;
}

.page-inner h1.chapter-title {
  font-family: var(--font-serif-title);
  font-size: 1.45rem;
  line-height: 1.25;
  color: var(--color-moss-deep);
  margin-bottom: 14px;
  font-weight: 700;
}

.page-inner p {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.54;
  color: var(--color-text);
  margin-bottom: 10px;
  text-align: justify;
  text-justify: inter-word;
}

.page-inner p.lead {
  font-family: var(--font-serif-body);
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--color-moss-mid);
  font-style: italic;
  font-weight: 600;
  margin-bottom: 12px;
}

/* Pull Quotes / Sexy Canvas Cards */
.quote-card {
  position: relative;
  background: rgba(194, 132, 111, 0.08);
  border-left: 3px solid var(--color-terracotta);
  padding: 14px 18px 14px 28px;
  margin: 16px 0;
  border-radius: 0 8px 8px 0;
}

.quote-card .quote-mark {
  position: absolute;
  left: 8px;
  top: -6px;
  font-family: var(--font-serif-title);
  font-size: 2.2rem;
  color: var(--color-terracotta);
  opacity: 0.5;
  line-height: 1;
}

.quote-card .quote-text {
  font-family: var(--font-serif-body);
  font-size: 1.08rem;
  font-style: italic;
  line-height: 1.45;
  color: var(--color-moss-deep);
  margin-bottom: 0;
}

/* Reflection Cards */
.reflection-box {
  background: rgba(78, 93, 70, 0.08);
  border: 1px solid rgba(78, 93, 70, 0.2);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 16px 0;
  position: relative;
}

.box-tag {
  display: inline-block;
  background: var(--color-olive);
  color: #FFF;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  font-weight: 600;
}

.reflection-box p {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--color-moss-deep);
  margin-bottom: 0;
  font-weight: 500;
}

/* Highlight Panel in Olive Green (Color-blocking) */
.page-dark-panel {
  background: var(--color-moss-deep) !important;
  color: #FFF !important;
}

.page-dark-panel .page-inner {
  color: #FFF;
}

.page-dark-panel h1.chapter-title {
  color: #FFF;
}

.page-dark-panel p {
  color: rgba(255, 255, 255, 0.9);
}

.page-dark-panel .page-header {
  color: var(--color-gold);
  border-bottom-color: rgba(197, 155, 88, 0.3);
}

.page-dark-panel .page-footer {
  border-top-color: rgba(197, 155, 88, 0.3);
  color: rgba(255, 255, 255, 0.6);
}

.page-dark-panel .quote-card {
  background: rgba(197, 155, 88, 0.12);
  border-left-color: var(--color-gold);
}

.page-dark-panel .quote-card .quote-text {
  color: var(--color-gold-light);
}

/* Cutout Photos Integration */
.photo-cutout-wrapper {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.photo-cutout-wrapper img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.15));
}

/* Decorative Watercolors & Botanicals */
.bg-watercolor {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.botanical-decor {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

/* ==========================================================================
   SPECIAL PAGES: COVER, ABOUT, TOC, ACKNOWLEDGEMENTS, BACK COVER
   ========================================================================== */

/* 1. Capa Nobre */
.page-cover {
  background: linear-gradient(145deg, #1A2619 0%, #253823 60%, #152014 100%) !important;
  border: 1px solid rgba(197, 155, 88, 0.3);
  color: #FFF;
  position: relative;
  overflow: hidden;
}

.page-cover .cover-border {
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  bottom: 24px;
  border: 1px solid rgba(197, 155, 88, 0.4);
  border-radius: 4px;
  pointer-events: none;
  z-index: 3;
}

.page-cover .cover-border::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 6px;
  right: 6px;
  bottom: 6px;
  border: 1px solid rgba(197, 155, 88, 0.2);
  border-radius: 2px;
}

.cover-content {
  padding: 60px 45px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  position: relative;
  z-index: 4;
}

.cover-badge {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 12px;
}

.cover-title-main {
  font-family: var(--font-serif-title);
  font-size: 2.2rem;
  line-height: 1.25;
  color: #FFFFFF;
  margin-bottom: 14px;
  font-weight: 700;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.cover-title-sub {
  font-family: var(--font-serif-title);
  font-size: 1.45rem;
  line-height: 1.35;
  color: var(--color-gold);
  font-style: italic;
  margin-bottom: 24px;
  font-weight: 400;
}

.cover-artwork {
  width: 140px;
  height: 140px;
  margin: 0 auto 20px auto;
  opacity: 0.95;
}

.cover-author-box {
  margin-top: auto;
}

.cover-author-name {
  font-family: var(--font-serif-title);
  font-size: 1.4rem;
  letter-spacing: 1.5px;
  color: #FFFFFF;
  font-weight: 700;
  text-transform: uppercase;
}

.cover-author-title {
  font-size: 0.76rem;
  color: var(--color-gold-light);
  letter-spacing: 1.2px;
  margin-top: 4px;
}

/* 2. Sobre a Autora */
.author-profile-card {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 20px;
}

.author-avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-gold);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.author-credentials {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--color-text);
}

/* 3. Sumário Interativo */
.toc-list {
  list-style: none;
  margin-top: 15px;
}

.toc-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 10px;
  border-bottom: 1px dashed rgba(78, 93, 70, 0.2);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.toc-item:hover {
  background: rgba(197, 155, 88, 0.15);
  padding-left: 14px;
}

.toc-title {
  font-family: var(--font-serif-title);
  font-size: 0.92rem;
  color: var(--color-moss-deep);
  font-weight: 600;
}

.toc-page {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 600;
}

/* 4. Agradecimentos */
.signature-box {
  margin-top: 20px;
  text-align: right;
}

.author-signature {
  font-family: var(--font-script), var(--font-serif-title), 'Times New Roman', serif;
  font-style: italic;
  font-size: 2.6rem;
  color: var(--color-moss-deep);
  line-height: 1.1;
  letter-spacing: 1px;
}

/* 5. Contracapa */
.back-cover-cta {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(197, 155, 88, 0.35);
  border-radius: 12px;
  padding: 24px;
  margin-top: 24px;
  text-align: center;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-gold);
  color: var(--color-moss-deep);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: 30px;
  text-decoration: none;
  margin-top: 14px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
}

.cta-btn:hover {
  background: #FFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

.cta-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ==========================================================================
   FOOTER CONTROLS & NAVIGATION BAR
   ========================================================================== */

.app-footer {
  height: 66px;
  background: rgba(26, 38, 25, 0.9);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(197, 155, 88, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  bottom: 0;
  z-index: 100;
  color: #FFF;
}

.nav-arrow-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(197, 155, 88, 0.3);
  color: #FFF;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.nav-arrow-btn:hover {
  background: var(--color-gold);
  color: var(--color-moss-deep);
  border-color: var(--color-gold);
  transform: scale(1.08);
}

.nav-arrow-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.nav-progress-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  max-width: 500px;
  margin: 0 20px;
}

.page-indicator-text {
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--color-gold-light);
  white-space: nowrap;
  font-weight: 500;
}

.slider-track {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.slider-track::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-gold);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  transition: transform 0.15s ease;
}

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

/* ==========================================================================
   TOC MODAL DRAWER & BACKDROP
   ========================================================================== */

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 15, 10, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 140;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.toc-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: -400px;
  width: min(370px, 88vw);
  background: #FAF8F3;
  box-shadow: 15px 0 35px rgba(0, 0, 0, 0.35);
  z-index: 150;
  transition: left 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  padding: 24px 20px;
  border-right: 1px solid rgba(78, 93, 70, 0.2);
  display: flex;
  flex-direction: column;
}

.toc-drawer.open {
  left: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-moss-deep);
  padding-bottom: 10px;
}

.drawer-header h2 {
  font-family: var(--font-serif-title);
  color: var(--color-moss-deep);
  font-size: 1.3rem;
  letter-spacing: 0.5px;
}

.close-drawer-btn {
  background: rgba(78, 93, 70, 0.1);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--color-moss-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.close-drawer-btn:hover {
  background: var(--color-gold);
  color: #FFF;
}

.drawer-quick-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(78, 93, 70, 0.2);
}

.drawer-action-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid rgba(197, 155, 88, 0.35);
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--color-moss-deep);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.drawer-action-btn:hover,
.drawer-action-btn:active {
  background: var(--color-gold);
  color: #FFF;
  border-color: var(--color-gold);
  transform: translateY(-1px);
}

.drawer-action-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ==========================================================================
   READING MODES: CONTINUOUS SCROLL
   ========================================================================== */

body.mode-scroll {
  overflow-y: auto !important;
  user-select: text;
}

body.mode-scroll .ebook-stage {
  align-items: flex-start;
  height: auto;
  min-height: 100vh;
  padding: 40px 16px;
  overflow-y: visible;
}

body.mode-scroll .flipbook-container {
  display: none !important;
}

.scroll-container {
  display: none;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
}

body.mode-scroll .scroll-container {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

body.mode-scroll .page {
  width: 100%;
  height: auto;
  min-height: 780px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  border-radius: 8px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLETS)
   ========================================================================== */

@media (max-width: 1200px) {
  :root {
    --page-width: 480px;
    --page-height: 680px;
  }
  .page-inner {
    padding: 30px 26px;
  }
  .page-inner h1.chapter-title {
    font-size: 1.35rem;
  }
}

@media (max-width: 960px) {
  :root {
    --page-width: 380px;
    --page-height: 600px;
  }
  .brand-text p {
    display: none;
  }
  .page-inner {
    padding: 22px 18px 18px 18px;
  }
  .page-inner h1.chapter-title {
    font-size: 1.2rem;
  }
  .cover-title-main {
    font-size: 1.7rem;
  }
  .cover-title-sub {
    font-size: 1.15rem;
  }
}

@media (max-width: 768px) {
  :root {
    --page-width: 100%;
    --page-height: 100%;
  }

  .ebook-stage {
    padding: 6px 4px;
    min-height: calc(100vh - 120px);
  }

  .app-header {
    height: 56px;
    padding: 0 10px;
  }

  .brand-text h1 {
    font-size: 0.95rem;
  }

  .controls-toolbar {
    gap: 6px;
  }

  .tool-btn {
    padding: 7px 8px;
    font-size: 0.76rem;
  }

  .tool-btn span {
    display: none;
  }

  /* Hide print & fullscreen from header on small screens; accessible in TOC */
  #btnPrintPdf,
  #btnFullscreen {
    display: none;
  }

  .app-footer {
    height: 60px;
    padding: 0 10px;
  }

  .nav-arrow-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
  }

  .nav-progress-wrapper {
    margin: 0 8px;
    gap: 10px;
  }

  .page-indicator-text {
    font-size: 0.78rem;
    min-width: 58px;
  }

  .slider-track {
    height: 8px;
  }

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

  .page-inner {
    padding: 16px 14px 12px 14px;
  }

  .page-header {
    font-size: 0.58rem;
    letter-spacing: 1px;
    margin-bottom: 8px;
    padding-bottom: 4px;
  }

  .page-inner h2.chapter-num {
    font-size: 0.65rem;
    margin-bottom: 2px;
  }

  .page-inner h1.chapter-title {
    font-size: 1.12rem;
    margin-bottom: 10px;
  }

  .page-inner p {
    font-size: 0.8rem;
    line-height: 1.48;
    margin-bottom: 8px;
  }

  .page-footer {
    padding-top: 6px;
    font-size: 0.64rem;
  }

  .page-number {
    font-size: 0.78rem;
  }

  .page-illustration-wrap {
    width: 100px;
    max-width: 32%;
    margin: 0 0 6px 10px;
  }

  .page-illustration-img {
    max-height: 130px;
  }

  .quote-card {
    padding: 12px 14px;
    margin: 10px 0;
  }

  .quote-card .quote-text {
    font-size: 0.84rem;
    line-height: 1.45;
  }

  .cover-content {
    padding: 36px 20px;
  }

  .cover-title-main {
    font-size: 1.45rem;
    margin-bottom: 8px;
  }

  .cover-title-sub {
    font-size: 1.05rem;
    margin-bottom: 14px;
  }

  .cover-artwork {
    width: 100px;
    height: 100px;
    margin-bottom: 12px;
  }

  .cover-author-name {
    font-size: 1.2rem;
  }

  .cover-author-title {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .page-inner {
    padding: 14px 12px 10px 12px;
  }

  .page-inner p {
    font-size: 0.78rem;
    line-height: 1.44;
    margin-bottom: 6px;
  }

  .brand-wrapper {
    gap: 8px;
  }

  .brand-icon {
    width: 26px;
    height: 26px;
  }
}

/* ==========================================================================
   PRINT STYLESHEET (@media print) FOR PIXEL-PERFECT PDF EXPORT
   ========================================================================== */

@media print {
  body {
    background: #FFF !important;
    color: #000 !important;
  }
  .app-header,
  .app-footer,
  .toc-drawer,
  .controls-toolbar,
  .flipbook-container {
    display: none !important;
  }
  .scroll-container {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
  }
  .page {
    width: 100% !important;
    height: 100vh !important;
    page-break-after: always !important;
    break-after: page !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    border: none !important;
    background-image: none !important;
    padding: 0 !important;
  }
  .page-inner {
    padding: 20mm 15mm !important;
  }
}