/* =========================================================
   ESTAR COM DEUS - E-READER DIGITAL
   Estilos refinados para conforto visual prolongado
   ========================================================= */

:root {
  --reader-font-size: 18px;
  --reader-line-height: 1.75;
  --reader-max-width: 680px;
  
  --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-literata: 'Literata', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --active-font-family: var(--font-serif);
  
  --anim-fast: 0.15s ease;
  --anim-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Temas de Cor --- */
body.theme-light {
  --bg-primary: #fcfbf9;
  --bg-surface: #ffffff;
  --bg-secondary: #f2efe9;
  --text-main: #222222;
  --text-muted: #6b665f;
  --border-color: #e5e0d8;
  --accent-color: #9c4d18;
  --accent-hover: #b85b1d;
  --highlight-bg: #ffeaa7;
  --overlay-bg: rgba(0, 0, 0, 0.35);
  --shadow-dropdown: 0 10px 30px rgba(0, 0, 0, 0.08);
}

body.theme-sepia {
  --bg-primary: #f5eedc;
  --bg-surface: #ede3ce;
  --bg-secondary: #e6dcbe;
  --text-main: #382c20;
  --text-muted: #786650;
  --border-color: #dcd0b3;
  --accent-color: #a04e14;
  --accent-hover: #bd5c18;
  --highlight-bg: #ffd166;
  --overlay-bg: rgba(30, 20, 10, 0.4);
  --shadow-dropdown: 0 10px 30px rgba(60, 40, 20, 0.12);
}

body.theme-dark {
  --bg-primary: #141416;
  --bg-surface: #1e1e22;
  --bg-secondary: #27272c;
  --text-main: #dfdeda;
  --text-muted: #95948f;
  --border-color: #2e2e36;
  --accent-color: #f3924c;
  --accent-hover: #ffaa6e;
  --highlight-bg: #5a401c;
  --overlay-bg: rgba(0, 0, 0, 0.7);
  --shadow-dropdown: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--active-font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--anim-normal), color var(--anim-normal);
  user-select: text;
}

/* --- Famílias tipográficas selecionáveis --- */
body.font-serif {
  --active-font-family: var(--font-serif);
}
body.font-literata {
  --active-font-family: var(--font-literata);
}
body.font-sans {
  --active-font-family: var(--font-sans);
}

/* --- Barra Superior Fixa --- */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  transition: transform var(--anim-normal), background-color var(--anim-normal);
  font-family: var(--font-sans);
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.current-header-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 45vw;
}

.book-mini-title {
  font-weight: 600;
  color: var(--text-main);
}

.separator {
  opacity: 0.5;
}

.chapter-mini-title {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Botões de Ícone */
.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: background-color var(--anim-fast), color var(--anim-fast);
}

.icon-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-color);
}

.aa-icon {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -1px;
}

.btn-label {
  font-weight: 500;
}

/* Barra de progresso de rolagem */
.scroll-progress-bar {
  position: sticky;
  top: 56px;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--accent-color);
  z-index: 99;
  transition: width 0.08s ease-out;
}

/* --- Popover de Aparência --- */
.appearance-panel {
  position: fixed;
  top: 64px;
  right: 16px;
  width: 310px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 18px;
  box-shadow: var(--shadow-dropdown);
  z-index: 120;
  font-family: var(--font-sans);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: popIn 0.18s ease-out;
}

.appearance-panel.hidden {
  display: none;
}

@keyframes popIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.panel-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

/* Controle de Tamanho da Fonte */
.font-size-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 4px;
}

.ctrl-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--anim-fast);
}

.ctrl-btn:hover {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
}

.font-size-display {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Seletor de Tema */
.theme-selector, .font-family-selector, .width-selector, .line-height-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.theme-btn, .font-btn, .width-btn, .lh-btn {
  background: var(--bg-secondary);
  border: 2px solid transparent;
  color: var(--text-main);
  padding: 8px 4px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all var(--anim-fast);
}

.theme-light-btn { background: #faf8f5; color: #222; border-color: #e0deda; }
.theme-sepia-btn { background: #f4ebd9; color: #3c2f21; border-color: #ded0b2; }
.theme-dark-btn  { background: #1f1f23; color: #dedede; border-color: #383842; }

.theme-btn.active, .font-btn.active, .width-btn.active, .lh-btn.active {
  border-color: var(--accent-color) !important;
  color: var(--accent-color);
  font-weight: 700;
}

.reset-section {
  padding-top: 4px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.text-link-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: underline;
}

.text-link-btn:hover {
  color: var(--accent-color);
}

/* --- Gaveta de Sumário (TOC Drawer) --- */
.toc-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 380px;
  max-width: 85vw;
  height: 100vh;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  z-index: 200;
  display: flex;
  flex-direction: column;
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.2);
  transition: transform var(--anim-normal);
  font-family: var(--font-sans);
}

.toc-drawer.hidden {
  transform: translateX(-100%);
}

.toc-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toc-title-group h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  font-weight: 700;
}

.toc-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.toc-search-box {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.toc-search-box input {
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
}

.toc-search-box input:focus {
  border-color: var(--accent-color);
}

.toc-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.toc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-left: 3px solid transparent;
  color: var(--text-main);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--anim-fast);
  font-size: 0.92rem;
}

.toc-item:hover {
  background-color: var(--bg-secondary);
}

.toc-item.active {
  border-left-color: var(--accent-color);
  background-color: var(--bg-secondary);
  font-weight: 700;
  color: var(--accent-color);
}

.toc-item-title {
  flex: 1;
  padding-right: 12px;
  line-height: 1.35;
}

.toc-item-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.toc-item-page {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(2px);
  z-index: 190;
  transition: opacity var(--anim-normal);
}

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

/* --- Modal de Busca --- */
.search-modal {
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(3px);
  z-index: 210;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px 20px;
}

.search-modal.hidden {
  display: none;
}

.search-modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 600px;
  max-width: 95vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-dropdown);
  overflow: hidden;
  font-family: var(--font-sans);
}

.search-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.search-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-muted);
}

.search-input-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: inherit;
}

.search-status {
  padding: 10px 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.search-results {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.search-result-item {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--anim-fast);
}

.search-result-item:hover {
  background: var(--bg-secondary);
}

.search-result-chap {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 4px;
}

.search-result-snippet {
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-main);
}

.search-result-snippet mark {
  background-color: var(--highlight-bg);
  color: inherit;
  font-weight: 700;
  border-radius: 2px;
  padding: 0 2px;
}

/* --- Toast de Notificação --- */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  z-index: 150;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.toast.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(10px);
}

/* --- Conteúdo Principal de Leitura --- */
.reader-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px 80px;
  width: 100%;
}

.reader-content {
  width: 100%;
  max-width: var(--reader-max-width);
  margin: 0 auto;
  font-size: var(--reader-font-size);
  line-height: var(--reader-line-height);
  transition: font-size var(--anim-fast), line-height var(--anim-fast), max-width var(--anim-fast);
}

.reader-content.width-compact { --reader-max-width: 580px; }
.reader-content.width-normal  { --reader-max-width: 680px; }
.reader-content.width-wide    { --reader-max-width: 800px; }

/* Cabeçalho do Capítulo no Texto */
.chapter-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.chapter-number-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.chapter-main-title {
  font-size: 1.95em;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.chapter-meta-info {
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Corpo dos Parágrafos */
.reader-content p {
  margin-bottom: 1.4em;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  word-break: break-word;
}

/* Ênfases e Citações */
.reader-content em {
  font-style: italic;
}

.reader-content p.bullet-item {
  padding-left: 1.4em;
  text-indent: -1.4em;
}

/* Loading Placeholder */
.loading-placeholder {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.spinner {
  width: 32px;
  height: 32px;
  margin: 0 auto 16px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --- Navegação de Rodapé entre Capítulos --- */
.chapter-navigation {
  width: 100%;
  max-width: var(--reader-max-width);
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-sans);
}

.nav-chapter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 42%;
  transition: all var(--anim-fast);
  text-decoration: none;
}

.nav-chapter-btn:hover:not(:disabled) {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--bg-secondary);
}

.nav-chapter-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.nav-arrow {
  font-size: 1.25rem;
  font-weight: 700;
}

.nav-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.nav-direction {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.nav-target-name {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-progress-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.page-ref, .percentage-ref {
  font-weight: 500;
}

.badge-separator {
  opacity: 0.4;
}

/* --- Página de Capa / Folha de Rosto --- */
.book-cover-page {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 0 40px;
  width: 100%;
}

.cover-card {
  width: 100%;
  max-width: 580px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.07);
}

.cover-inner-border {
  border: 1px double var(--border-color);
  border-radius: 12px;
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cover-author {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-color);
  margin-bottom: 24px;
}

.cover-ornament {
  color: var(--border-color);
  font-size: 0.8rem;
  letter-spacing: 8px;
  margin: 16px 0;
  user-select: none;
}

.cover-title {
  font-size: 2.35rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.5px;
  color: var(--text-main);
  margin: 16px 0 14px;
  font-family: var(--active-font-family);
}

.cover-subtitle {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-muted);
  max-width: 440px;
  line-height: 1.45;
  margin-bottom: 32px;
}

.cover-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 340px;
  margin: 20px 0 36px;
}

.cover-primary-btn {
  background-color: var(--accent-color);
  color: #ffffff;
  border: none;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  transition: all var(--anim-fast);
}

.cover-primary-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.play-icon {
  font-size: 0.85rem;
}

.cover-secondary-btn {
  background-color: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--anim-fast);
}

.cover-secondary-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.cover-credits {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  width: 100%;
}

.cover-subcredit {
  font-size: 0.75rem;
  margin-top: 6px;
  opacity: 0.75;
}

/* =========================================================
   FEATURE: COMPARTILHAR CITAÇÃO COMO IMAGEM
   ========================================================= */

/* Bolha flutuante ao selecionar texto */
.quote-bubble {
  position: fixed;
  z-index: 180;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px) scale(0.96);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.quote-bubble.hidden {
  opacity: 0;
  transform: translateY(4px) scale(0.96);
  pointer-events: none;
}

.quote-bubble:not(.hidden) {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.quote-bubble-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  background: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 30px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  white-space: nowrap;
  transition: background var(--anim-fast), transform 0.1s ease;
}

.quote-bubble-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.04);
}

/* Modal de citação */
.quote-modal {
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(4px);
  z-index: 220;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  animation: fadeIn 0.2s ease;
}

.quote-modal.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.quote-modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  width: 520px;
  max-width: 96vw;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  gap: 0;
  box-shadow: 0 24px 60px rgba(0,0,0,0.22);
  overflow: hidden;
  animation: slideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-sans);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.quote-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border-color);
}

.quote-modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Área de preview do canvas */
.quote-preview-area {
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  min-height: 180px;
}

.quote-canvas {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  display: block;
}

/* Seletor de estilos */
.quote-style-picker {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.quote-style-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.quote-style-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.quote-style-btn {
  padding: 6px 12px;
  border-radius: 20px;
  border: 2px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--anim-fast);
}

.quote-style-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.quote-style-btn.active {
  border-color: var(--accent-color);
  background: var(--accent-color);
  color: #fff;
}

/* Botões de ação */
.quote-modal-actions {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  flex-wrap: wrap;
}

.quote-action-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 10px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--anim-fast);
  min-width: 140px;
}

.quote-action-btn.primary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.quote-action-btn.primary:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.quote-action-btn.whatsapp {
  background: #25D366;
  color: #fff;
}

.quote-action-btn.whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

/* --- Ajustes Responsivos para Mobile --- */
@media (max-width: 640px) {
  .cover-inner-border {
    padding: 32px 18px;
  }
  
  .cover-title {
    font-size: 1.75rem;
  }
  
  .cover-subtitle {
    font-size: 0.98rem;
  }

  .top-bar {
    padding: 0 10px;
  }
  
  .current-header-info {
    display: none;
  }
  
  .btn-label {
    display: none;
  }
  
  .appearance-panel {
    top: 58px;
    right: 8px;
    left: 8px;
    width: auto;
  }
  
  .reader-wrapper {
    padding: 24px 16px 60px;
  }
  
  .chapter-main-title {
    font-size: 1.6em;
  }
  
  .chapter-navigation {
    flex-direction: column;
    gap: 16px;
  }
  
  .nav-chapter-btn {
    width: 100%;
    max-width: 100%;
    justify-content: center;
  }
}