:root {
  --pliego-ancho-base: 1062px;
  --pliego-alto-base: 725px;
  --pliego-ancho-max: 1062px;
  --libro-paper-bg: #F7F2E8;
  --libro-paper-texture: none;

  --carilla-ancho-base: 531px;
  --carilla-ancho-max: 531px;

  --margen-exterior-carilla: 22px;
  --margen-interior-carilla: 22px;
  --margen-superior-carilla: 8px;  
  --margen-inferior-carilla: 8px;  

  --aire-minimo: 16px;
  --aire-preferido: 24px;
  --aire-maximo: 40px;

  --libro-mesa-bg:            #5A5248;
  --libro-paper-bg:           #F7F2E8;
  --libro-paper-warm:         #e9ddc7;
  --libro-paper-active-bg:    #FFFFFF;
  --libro-dark-bg:            #1a1a1a;
  --libro-dark-dormant-bg:    #111111;

  --libro-text-heading-strong: #100D06;
  --libro-text-heading:        #2c2416;
  --libro-text-primary:        #1E1A12;
  --libro-text-secondary:      #6B5E45;
  --libro-text-muted:          #736449; 
  --libro-text-subtle:         #7A6C52; 
  --libro-text-faint:          #8C7D65; 

  --libro-border-soft:         #BFB49A;
  --libro-border-light:        #C8BFA8;
  --libro-border-faint:        #d8ceba;
  --libro-border-accent:       #C4B89A;

  --libro-score-bg-light:      #FFFFFF;
  --libro-score-bg-dormant:    #F7F2E8;
  --libro-score-bg-dark:       #1a1a1a;
  --libro-score-ink-light:     #111;
  --libro-score-ink-dark:      #909090;

  --libro-hover-bg:            #EAE3D5;
  --libro-focus-color:         #8C7D65;

  --libro-font-serif:          'Merriweather', Georgia, 'Times New Roman', serif;
  --libro-font-sans:           'Inter', sans-serif;
}

body.libro-page {
  background: var(--libro-mesa-bg);
  background-image:
    repeating-linear-gradient(45deg,
      rgba(0,0,0,0.025) 0px, rgba(0,0,0,0.025) 1px,
      transparent 1px, transparent 7px),
    linear-gradient(180deg,
      rgba(90,82,72,0.46) 0%,
      rgba(90,82,72,0.38) 40%,
      rgba(78,70,62,0.50) 100%),
    url('/assets/background.png');
  background-repeat: repeat, no-repeat, no-repeat;
  background-position: center center, center center, center center;
  background-size: auto, cover, cover;
  margin: 0;
  padding: 0;
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Merriweather', Georgia, 'Times New Roman', serif;
}

.libro-pliego-doble {
  width: var(--pliego-ancho-base);
  min-height: var(--pliego-alto-base);
  display: flex;
  gap: 0;
  margin: 0 auto;
  box-shadow:
    0 2px 6px rgba(0,0,0,0.2),
    0 10px 36px rgba(0,0,0,0.5),
    0 22px 60px rgba(0,0,0,0.28);
  position: relative;
}
.libro-pliego-doble::after {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  transform: translateX(-50%);
  background: rgba(191, 180, 154, 0.8);
  z-index: 20;
  pointer-events: none;
}

.libro-carilla {
  box-sizing: border-box;
  width: var(--carilla-ancho-base);
  height: var(--pliego-alto-base);
  overflow: hidden;
  margin: 0 auto;
  background-color: var(--libro-paper-bg);
  background-image:
    var(--libro-paper-texture, none),
    repeating-linear-gradient(0deg,
      transparent, transparent 27px,
      rgba(0,0,0,0.012) 27px, rgba(0,0,0,0.012) 28px);
  background-repeat: repeat, repeat;
  background-size: auto, auto;
  box-shadow:
    0 2px 6px rgba(0,0,0,0.2),
    0 10px 36px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-size: 11px;
  line-height: 1.32;
  color: #1E1A12;
  padding:
    var(--margen-superior-carilla)
    var(--margen-exterior-carilla)
    var(--margen-inferior-carilla);
}

.libro-cara {
  box-sizing: border-box;
  position: relative;
  width: var(--carilla-ancho-base);
  height: var(--pliego-alto-base);
  overflow: hidden;
  background-color: var(--libro-paper-bg);
  background-image:
    var(--libro-paper-texture, none),
    repeating-linear-gradient(0deg,
      transparent, transparent 27px,
      rgba(0,0,0,0.012) 27px, rgba(0,0,0,0.012) 28px);
  background-repeat: repeat, repeat;
  background-size: auto, auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-size: 11px;
  line-height: 1.32;
  color: #1E1A12;
  padding-top: var(--margen-superior-carilla);
  padding-bottom: var(--margen-inferior-carilla);
}
.libro-cara-izq {
  padding-left: var(--margen-exterior-carilla);
  padding-right: var(--margen-interior-carilla);
}
.libro-cara-der {
  padding-left: var(--margen-interior-carilla);
  padding-right: var(--margen-exterior-carilla);
}
.libro-cara-orquesta {
  padding: 0;
}

.libro-pag-header {
  flex-shrink: 0;
  box-sizing: border-box;
  height: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 0 3px;
  border-bottom: 0.5px solid var(--libro-border-soft);
  margin-bottom: 0; 
}
.libro-pag-htxt {
  font-family: 'Inter', sans-serif;
  font-size: 8px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--libro-text-muted);
}
.libro-pag-num {
  font-family: 'Inter', sans-serif;
  font-size: 8px;
  color: var(--libro-text-faint);
}
.libro-pag-footer {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0 2px;
  border-top: 0.5px solid var(--libro-border-soft);
  margin-top: auto;
}
.libro-footer-meta {
  font-family: 'Inter', sans-serif;
  font-size: 7.5px;
  color: var(--libro-text-faint);
}

.libro-titulo {
  font-size: 12px;
  font-weight: 700;
  color: #100D06;
  letter-spacing: -.01em;
  margin: 0 0 3px 0;
  line-height: 1.2;
}
.libro-subtitulo {
  font-size: 10.5px;
  font-weight: 700;
  color: #1E1A12;
  margin: 5px 0 2px;
  line-height: 1.2;
}
.libro-texto {
  font-size: 11px;
  color: #1E1A12;
  margin-bottom: 3px;
  text-align: justify;
  hyphens: auto;
}
.libro-texto em { font-style: italic; color: #3A3020; }

.libro-caption {
  font-family: 'Inter', sans-serif;
  font-size: 7.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--libro-text-subtle);
  margin-bottom: 1px;
}

.libro-sep {
  border: none;
  border-top: .5px solid var(--libro-border-light);
  margin: 5px 0;
}

.libro-nota {
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 7px;
  color: var(--libro-text-subtle);
  margin: 0 0 1px;
}

.libro-ejemplo {
  margin: 0;
  padding: 0;
}

.libro-cara.grid-tercios {
  display: grid;
  grid-template-rows: auto minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) auto;
  grid-template-columns: 1fr;
  gap: 0;
}
.libro-cara.grid-tercios .libro-pag-header { grid-row: 1; }
.libro-cara.grid-tercios .libro-ejemplo { align-self: start; }
.libro-cara.grid-tercios .libro-pag-footer { grid-row: 5; align-self: end; }

.libro-cara.grid-mitades {
  display: grid;
  grid-template-rows: auto minmax(0,1fr) auto minmax(0,1fr) auto;
  grid-template-columns: 1fr;
  gap: 0;
}
.libro-cara.grid-mitades .libro-pag-header { grid-row: 1; }
.libro-cara.grid-mitades .libro-ejemplo { align-self: start; }
.libro-cara.grid-mitades hr.libro-sep { grid-row: 3; margin: 8px 0; }
.libro-cara.grid-mitades .libro-pag-footer { grid-row: 5; align-self: end; }

.libro-cara.grid-dos-uno {
  display: grid;
  grid-template-rows: auto 2fr 1fr auto;
  grid-template-columns: 1fr;
  gap: 0;
}
.libro-cara.grid-dos-uno .libro-pag-header { grid-row: 1; }
.libro-cara.grid-dos-uno .libro-ejemplo:nth-of-type(1) { grid-row: 2; align-self: start; }
.libro-cara.grid-dos-uno .libro-ejemplo:nth-of-type(2) { grid-row: 3; align-self: start; }
.libro-cara.grid-dos-uno .libro-pag-footer { grid-row: 4; align-self: end; }

.libro-cara.grid-uno-dos {
  display: grid;
  grid-template-rows: auto 1fr 2fr auto;
  grid-template-columns: 1fr;
  gap: 0;
}
.libro-cara.grid-uno-dos .libro-pag-header { grid-row: 1; }
.libro-cara.grid-uno-dos .libro-ejemplo:nth-of-type(1) { grid-row: 2; align-self: start; }
.libro-cara.grid-uno-dos .libro-ejemplo:nth-of-type(2) { grid-row: 3; align-self: start; }
.libro-cara.grid-uno-dos .libro-pag-footer { grid-row: 4; align-self: end; }
.libro-ejemplo-label {
  font-family: 'Inter', sans-serif;
  font-size: 7.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--libro-text-subtle);
  margin-bottom: 1px;
}

.mb-block,
body.libro-page .mediablock {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: none;
}

.mb-block.mb-active,
body.libro-page .mediablock.mb-active {
  outline: none;
}


body.libro-page .mediablock.playing {
  box-shadow: none;
}
body.libro-page .mb-wedge { display: none; }

body.libro-page [id^="scoreContainer-"] {
  background: var(--libro-score-bg-dormant) !important;
}

body.libro-page .mediablock.mb-active [id^="scoreContainer-"],
body.libro-page .mediablock.mb-active .score {
  background: var(--libro-score-bg-light) !important;
}

body.libro-page .score {
  padding: 0;
}

body.libro-page vem-book-block {
  --score-margin-inline: 10px;
}

body.libro-page vem-book-block.vem-expanded-pliego {
  --score-margin-inline: 25px;
}

body.libro-page .mediablock[data-mb-theme="dark"] [id^="scoreContainer-"] {
  background: var(--libro-score-bg-dark) !important;
}

body.libro-page .mediablock[data-mb-theme="dark"] .score {
  background: var(--libro-score-bg-dark) !important;
}

.mb-w-carilla {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}
.mb-w-mini {
  width: 100%;
  max-width: 170px;
  margin: 0 auto;
}
.mb-w-pliego {
  width: 100%;
  max-width: var(--pliego-ancho-base);
  margin: 0 auto;
}


body.libro-page .score svg { color: var(--libro-score-ink-light); }

body.libro-page .mediablock[data-mb-theme="dark"] .score svg { color: var(--libro-score-ink-dark) !important; }

body.libro-page .play-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(247, 242, 232, 0.85);
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s;
}
body.libro-page .play-overlay:hover { background: rgba(247, 242, 232, 0.95); }
body.libro-page .play-icon { font-size: 3rem; color: #555; margin-bottom: 0.3rem; }
body.libro-page .play-text { color: #777; font-family: 'Inter', sans-serif; font-size: 0.85rem; }

.ej-collapsed {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 8px;
  font-weight: 600;
  padding: 2px 7px;
  border: 1px solid var(--libro-border-accent);
  border-radius: 3px;
  color: var(--libro-text-secondary);
  background: #F0EAD8;
  cursor: pointer;
  transition: all 0.15s;
  vertical-align: middle;
  margin: 0 2px;
  letter-spacing: 0.03em;
}
.ej-collapsed:hover { background: #E4DCC8; border-color: #9A8860; color: #3A3020; }
.ej-collapsed.active { background: #DCD2B8; border-color: #8A7A50; color: #2A2010; }

.mb-fullscreen [id^="scoreContainer-"] {
  scrollbar-width: none;
}
.mb-fullscreen [id^="scoreContainer-"]::-webkit-scrollbar {
  display: none;
}

.libro-fila-minis {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: flex-start;
}
.libro-fila-minis .libro-ejemplo {
  flex: 0 0 170px;  
  margin: 0;
}
.libro-fila-minis .mb-w-mini {
  margin: 0;  
}

.mb-juke {
  background: var(--libro-paper-bg);
  border: .5px solid var(--libro-border-accent);
  border-radius: 2px;
  margin: 4px 0 1px;
}
.mb-juke-tabs {
  display: flex;
  gap: 2px;
  padding: 4px 6px 3px;
  border-bottom: .5px solid var(--libro-border-accent);
}
.mb-juke-tab {
  font-family: 'Inter', sans-serif;
  font-size: 7.5px;
  padding: 2px 8px;
  border: .5px solid var(--libro-border-accent);
  border-radius: 2px;
  background: transparent;
  color: var(--libro-text-secondary);
  cursor: pointer;
  transition: all 0.12s;
  letter-spacing: 0.02em;
}
.mb-juke-tab:hover { background: var(--libro-hover-bg); }
.mb-juke-tab.active {
  background: #DCD2B8;
  border-color: #8A7A50;
  color: #2A2010;
  font-weight: 600;
}
.mb-juke-body {
  position: relative;
  cursor: pointer;
}
.mb-juke-label {
  font-family: 'Inter', sans-serif;
  font-size: 7px;
  color: var(--libro-text-subtle);
  padding: 2px 6px 1px;
  line-height: 1.15;
}

.libro-expand {
  position: absolute;
  inset: 0;
  z-index: 50;
  background: var(--libro-dark-bg);
  display: none;
  flex-direction: column;
  padding: 12px 20px;
}
.libro-expand.visible { display: flex; }
.expand-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 6px;
  border-bottom: .5px solid #3a3428;
  margin-bottom: 8px;
  flex-shrink: 0;
}
.expand-title {
  font-family: 'Inter', sans-serif;
  font-size: 8.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--libro-text-subtle);
}
.expand-close {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  padding: 2px 9px;
  border-radius: 2px;
  border: .5px solid #3a3428;
  background: transparent;
  color: var(--libro-text-subtle);
  cursor: pointer;
}
.expand-close:hover { background: #2a2518; }
.expand-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
}

.libro-expand.expand-carilla {
  padding: 0;
}
.libro-expand.expand-pliego {
  padding: 0;
}
.libro-expand.expand-carilla .expand-body,
.libro-expand.expand-pliego .expand-body {
  overflow: auto;
}

vem-book-block.vem-expanded-pliego {
  position: absolute;
  inset: 0;
  z-index: 55;
  width: 100%;
  max-width: none;
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

.libro-pliego-doble.pliego-expand-anchor {
  position: relative;
}
.libro-cara.cara-expand-detached {
  position: static;
}

.libro-ejemplo.ejemplo-expandido-pliego {
  position: static;
  overflow: visible;
}


.libro-cara-der.carilla-expandida {
  width: var(--carilla-ancho-base);
  max-width: var(--carilla-ancho-base);
  min-width: var(--carilla-ancho-base);
  flex: 0 0 var(--carilla-ancho-base);
}

.libro-cara-der.pliego-expandido {
  width: var(--pliego-ancho-base);
  max-width: var(--pliego-ancho-base);
  min-width: var(--pliego-ancho-base);
  flex: 0 0 var(--pliego-ancho-base);
}

.libro-cara-izq.carilla-expandida {
  width: var(--carilla-ancho-base);
  max-width: var(--carilla-ancho-base);
  min-width: var(--carilla-ancho-base);
  flex: 0 0 var(--carilla-ancho-base);
}

.libro-cara-izq.pliego-expandido {
  width: var(--pliego-ancho-base);
  max-width: var(--pliego-ancho-base);
  min-width: var(--pliego-ancho-base);
  flex: 0 0 var(--pliego-ancho-base);
}

.libro-ejemplo.carilla-expandida {
  width: var(--carilla-ancho-base);
  max-width: var(--carilla-ancho-base);
  min-width: var(--carilla-ancho-base);
  flex: 0 0 var(--carilla-ancho-base);
}

.libro-ejemplo.pliego-expandido {
  width: var(--pliego-ancho-base);
  max-width: var(--pliego-ancho-base);
  min-width: var(--pliego-ancho-base);
  flex: 0 0 var(--pliego-ancho-base);
}


.libro-cara.grid-cabecera-mb {
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  grid-template-columns: 1fr;
}
.libro-cara.grid-cabecera-mb .libro-pag-header {
  grid-row: 1;
}
.libro-cara.grid-cabecera-mb .bloque-cabecera {
  grid-row: 2;
  align-self: start;
}
.libro-cara.grid-cabecera-mb > vem-book-block {
  grid-row: 3;
  min-height: 0;
}
.libro-cara.grid-cabecera-mb .nota-obra {
  grid-row: 4;
  align-self: end;
}
.libro-cara.grid-cabecera-mb .libro-pag-footer {
  grid-row: 5;
}

.libro-cara.grid-p3-izq {
  display: grid;
  grid-template-rows: auto auto auto 1fr 1fr auto;
  grid-template-columns: 1fr;
}
.libro-cara.grid-p3-izq .libro-pag-header {
  grid-row: 1;
}
.libro-cara.grid-p3-izq > .libro-titulo {
  grid-row: 2;
}
.libro-cara.grid-p3-izq > .contenido-intro {
  grid-row: 3;
}
.libro-cara.grid-p3-izq > .bloque-mb:nth-of-type(1) {
  grid-row: 4;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.libro-cara.grid-p3-izq > .bloque-mb:nth-of-type(2) {
  grid-row: 5;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.libro-cara.grid-p3-izq > .bloque-mb vem-book-block {
  flex: 1;
  min-height: 0;
}
.libro-cara.grid-p3-izq .libro-pag-footer {
  grid-row: 6;
}

.libro-pag-header.header-funcional {
  flex-wrap: nowrap;
  gap: 6px;
  align-items: center;
  padding: 3px 0 4px;
}
.header-funcional-select {
  font-family: var(--libro-font-sans);
  font-size: 8px;
  padding: 1px 4px;
  border: 0.5px solid var(--libro-border-accent);
  border-radius: 2px;
  background: transparent;
  color: var(--libro-text-heading);
  flex: 1;
  max-width: 280px;
  cursor: pointer;
}
.header-funcional-select:hover {
  background: var(--libro-hover-bg);
}
body.theme-dark .header-funcional-select {
  color: var(--libro-text-heading);
  border-color: var(--libro-border-accent);
}


.libro-cara-h1 {
  font-family: var(--libro-font-serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--libro-text-heading-strong, #100D06);
  line-height: 1.2;
  margin: 0 0 2px;
  letter-spacing: -0.01em;
}

.libro-cara-h2 {
  font-family: var(--libro-font-serif);
  font-size: 12px;
  font-weight: 700;
  color: var(--libro-text-heading, #2c2416);
  line-height: 1.2;
  margin: 0 0 2px;
}

.libro-cara-kicker {
  font-family: var(--libro-font-sans);
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--libro-text-secondary, #6B5E45);
  margin-bottom: 4px;
}

.libro-cara-bio {
  font-family: var(--libro-font-serif);
  font-size: 10.5px;
  line-height: 1.38;
  color: var(--libro-text-primary, #1E1A12);
  text-align: justify;
  hyphens: auto;
  margin: 0;
}

.libro-cara-nota {
  font-family: var(--libro-font-serif);
  font-size: 10px;
  line-height: 1.35;
  color: var(--libro-text-secondary, #6B5E45);
  text-align: justify;
  hyphens: auto;
  margin-top: 5px;
}
.libro-cara-nota strong {
  color: var(--libro-text-heading, #2c2416);
  font-weight: 700;
}

body.theme-dark .libro-cara-h1 {
  color: var(--libro-text-heading, #e8e0d0);
}
body.theme-dark .libro-cara-h2 {
  color: var(--libro-text-heading, #e8e0d0);
}
body.theme-dark .libro-cara-kicker {
  color: var(--libro-text-secondary, #9a8e76);
}
body.theme-dark .libro-cara-bio {
  color: var(--libro-text-body, #c4b89a);
}
body.theme-dark .libro-cara-nota {
  color: var(--libro-text-secondary, #9a8e76);
}
body.theme-dark .libro-cara-nota strong {
  color: var(--libro-text-heading, #e8e0d0);
}

.libro-retrato-wrapper {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 8px;
}
.libro-retrato {
  flex: 0 0 120px;
  width: 120px;
  overflow: hidden;
  border-radius: 2px;
  border: 0.5px solid var(--libro-border-accent);
  background: var(--libro-paper-warm, #e9ddc7);
}
.libro-retrato img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center top;
  display: block;
}
.libro-retrato-texto {
  flex: 1;
  min-width: 0;
}
body.theme-dark .libro-retrato {
  background: #2a2420;
  border-color: #3a332a;
}



body.theme-dark {
  --libro-mesa-bg:             #2a2520;
  --libro-paper-bg:            #1c1814;
  --libro-paper-warm:          #211d19;
  --libro-paper-active-bg:     #231f1b;

  --libro-text-heading-strong: #f0e8d8;
  --libro-text-heading:        #e2d8c8;
  --libro-text-primary:        #c8bca0;
  --libro-text-secondary:      #9a8e76;
  --libro-text-muted:          #7a7060;
  --libro-text-subtle:         #6a6050;
  --libro-text-faint:          #5a5040;

  --libro-border-soft:         #3a342c;
  --libro-border-light:        #332e26;
  --libro-border-faint:        #2e2920;
  --libro-border-accent:       #4a4236;

  --libro-hover-bg:            #252118;
  --libro-focus-color:         #7a7060;

  --libro-score-bg-dormant:    #1c1814;
}

body.theme-dark.libro-page {
  background: var(--libro-mesa-bg);
  background-image: repeating-linear-gradient(45deg,
    rgba(0,0,0,0.2) 0px, rgba(0,0,0,0.2) 1px,
    transparent 1px, transparent 7px);
}

body.theme-dark .libro-cara {
  background-image:
    var(--libro-paper-texture, none),
    repeating-linear-gradient(0deg,
      transparent, transparent 27px,
      rgba(255,255,255,0.025) 27px, rgba(255,255,255,0.025) 28px);
}

body.theme-dark .libro-pag-header,
body.theme-dark .libro-pag-footer {
  border-color: var(--libro-border-accent);
  color: var(--libro-text-muted);
}

body.theme-dark .libro-sep {
  border-color: var(--libro-border-faint);
}

.ultra-link {
  cursor: pointer;
  display: inline-block;
  font-family: var(--libro-font-sans);
  font-size: 9px;
  font-weight: 700;
  color: var(--libro-text-heading, #2c2416);
  background: var(--libro-paper-active-bg, #FFFFFF);
  border: 1.5px solid var(--libro-text-heading, #2c2416);
  border-radius: 2px;
  padding: 2px 7px;
  letter-spacing: 0.03em;
  vertical-align: middle;
  transition: background 0.12s, color 0.12s;
}
.ultra-link:hover {
  background: var(--libro-text-heading, #2c2416);
  color: var(--libro-paper-bg, #F7F2E8);
  border-color: var(--libro-text-heading, #2c2416);
}
.ultra-link.active {
  background: var(--libro-text-heading, #2c2416);
  color: var(--libro-paper-bg, #F7F2E8);
  border-color: var(--libro-text-heading, #2c2416);
}
body.theme-dark .ultra-link {
  color: var(--libro-text-heading, #e8e0d0);
  background: var(--libro-paper-bg, #1c1814);
  border-color: var(--libro-text-heading, #e8e0d0);
}
body.theme-dark .ultra-link:hover {
  background: var(--libro-text-heading, #e8e0d0);
  color: var(--libro-paper-bg, #1c1814);
}
body.theme-dark .ultra-link.active {
  background: var(--libro-text-heading, #e8e0d0);
  color: var(--libro-paper-bg, #1c1814);
}


body.theme-dark .libro-titulo,
body.theme-dark .libro-subtitulo { color: var(--libro-text-heading, #e8e0d0); }
body.theme-dark .libro-texto { color: var(--libro-text-primary, #d8cfbf); }
body.theme-dark .libro-texto em { color: var(--libro-text-secondary, #b8ab90); }