:root {
  --bg: #0e0e12;
  --bg-soft: #17171e;
  --bg-panel: #202028;
  --paper: #f4efe6;
  --paper-muted: #c8c0b5;
  --muted: #9b948d;
  --line: rgba(255,255,255,.12);
  --accent: #c89b5c;
  --accent-2: #8f6638;
  --danger: #d36b56;
  --success: #8dbb83;
  --shadow: 0 24px 70px rgba(0,0,0,.45);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --max: 1180px;
  --font-title: Georgia, 'Times New Roman', serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--paper);
  background:
    radial-gradient(circle at top left, rgba(200,155,92,.12), transparent 30rem),
    radial-gradient(circle at 80% 15%, rgba(141,187,131,.08), transparent 24rem),
    var(--bg);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--accent);
  color: #111;
  padding: .7rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 99;
}
.skip-link:focus { left: 1rem; }
.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}
.section { padding: 5rem 0; }
.section-tight { padding: 3rem 0; }
.kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 800;
}
h1, h2, h3, h4 {
  font-family: var(--font-title);
  line-height: 1.05;
  margin: 0 0 1rem;
}
h1 { font-size: clamp(2.7rem, 7vw, 6rem); letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 4vw, 3.7rem); letter-spacing: -.035em; }
h3 { font-size: clamp(1.35rem, 2vw, 2rem); }
p { margin: 0 0 1rem; color: var(--paper-muted); }
.lead { font-size: clamp(1.05rem, 2vw, 1.35rem); color: var(--paper); max-width: 850px; }
.small { font-size: .9rem; color: var(--muted); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(14,14,18,.78);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo img {
  display: block;
  height: 58px;
  width: auto;
  max-width: 58px;
}
.logo span {
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.04em;
}

.logo small {
  display: block;
  font-weight: 500;
  color: var(--muted);
  font-size: .78rem;
}
.nav { display: flex; align-items: center; gap: .25rem; flex-wrap: nowrap; }
.nav a, .language-switch button {
  padding: .65rem .75rem;
  border-radius: 999px;
  color: var(--paper-muted);
  font-size: .95rem;
  white-space: nowrap;
  flex: 0 0 auto;
}
.nav a:hover, .nav a.active, .language-switch button.active {
  background: rgba(255,255,255,.08);
  color: var(--paper);
}
.language-switch { display: flex; gap: .2rem; align-items: center; }
.language-switch button {
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}
.language-switch button[disabled] { opacity: .45; cursor: not-allowed; }
.mobile-toggle {
  display: none;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .55rem .8rem;
}

.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(14,14,18,.96) 0%, rgba(14,14,18,.75) 48%, rgba(14,14,18,.44) 100%),
    linear-gradient(135deg, rgba(200,155,92,.10), rgba(255,255,255,.02));
  opacity: .96;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .55fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero-card {
  background: rgba(23,23,30,.72);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.3rem;
}
.hero-book {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.2rem;
  align-items: center;
}
.hero-book img { border-radius: 12px; box-shadow: 0 18px 40px rgba(0,0,0,.42); }

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.btn, .btn-secondary, .btn-disabled, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-height: 44px;
  padding: .78rem 1rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, border .18s ease;
  border: 1px solid transparent;
}
.btn:hover, .btn-secondary:hover, .btn-ghost:hover { transform: translateY(-1px); }
.btn { background: var(--accent); color: #16110b; box-shadow: 0 12px 26px rgba(200,155,92,.25); }
.btn-secondary { background: rgba(255,255,255,.08); border-color: var(--line); color: var(--paper); }
.btn-ghost { background: transparent; border-color: rgba(200,155,92,.45); color: var(--accent); }
.btn-disabled {
  background: rgba(255,255,255,.05);
  border-color: var(--line);
  color: var(--muted);
  opacity: .58;
  cursor: not-allowed;
  filter: grayscale(1);
  pointer-events: none;
}

.panel {
  background: rgba(23,23,30,.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; }
.book-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.4rem; }
.book-card {
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  transition: transform .18s ease, border .18s ease, background .18s ease;
}
.book-card:hover { transform: translateY(-3px); border-color: rgba(200,155,92,.45); background: rgba(255,255,255,.065); }
.book-card img { aspect-ratio: 2/3; object-fit: cover; border-radius: 12px; box-shadow: 0 16px 34px rgba(0,0,0,.33); }
.book-card h3 { font-size: 1.3rem; margin-bottom: .25rem; }
.book-card p { font-size: .95rem; }
.card-actions { margin-top: auto; display: flex; gap: .6rem; flex-wrap: wrap; }
.badges, .chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.badge, .chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .34rem .58rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
  border: 1px solid var(--line);
  color: var(--paper-muted);
  background: rgba(255,255,255,.045);
}
.badge.available { color: var(--success); border-color: rgba(141,187,131,.45); }
.badge.pending { color: var(--accent); border-color: rgba(200,155,92,.45); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 1.7rem 0 2rem;
  padding: 1rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.filters select, .filters input {
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(14,14,18,.8);
  color: var(--paper);
  padding: .65rem .9rem;
}
.filters input { min-width: min(100%, 260px); }

.page-hero {
  padding: 5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}
.breadcrumbs {
  color: var(--muted);
  font-size: .92rem;
  margin-bottom: 1rem;
}
.breadcrumbs a { color: var(--accent); }

.book-page-hero {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.book-cover-large { border-radius: 18px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  margin-top: 1.3rem;
}
.meta-item {
  padding: .9rem;
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.meta-item strong { display: block; color: var(--paper); }
.buy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .8rem;
  margin-top: 1.2rem;
}
.buy-btn {
  min-height: 70px;
  border-radius: var(--radius);
  padding: .9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(200,155,92,.35);
  background: rgba(200,155,92,.09);
  color: var(--paper);
  font-weight: 900;
}
.buy-btn span { display: block; font-size: .82rem; color: var(--accent); font-weight: 700; }
.buy-btn.disabled {
  border-color: var(--line);
  background: rgba(255,255,255,.035);
  color: var(--muted);
  pointer-events: none;
  opacity: .7;
}
.buy-btn.disabled span { color: var(--muted); }

.tabs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.tab-button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--paper-muted);
  border-radius: 999px;
  padding: .55rem .9rem;
  cursor: pointer;
}
.tab-button.active { color: #111; background: var(--accent); border-color: var(--accent); font-weight: 900; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.form {
  display: grid;
  gap: .9rem;
  max-width: 680px;
}
.form label { font-weight: 800; color: var(--paper); }
.form input, .form textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(14,14,18,.72);
  color: var(--paper);
  padding: .85rem 1rem;
}
.form textarea { min-height: 160px; resize: vertical; }
.notice {
  border: 1px solid rgba(200,155,92,.35);
  background: rgba(200,155,92,.08);
  color: var(--paper-muted);
  border-radius: var(--radius);
  padding: 1rem;
}
.notice.success { border-color: rgba(141,187,131,.45); background: rgba(141,187,131,.08); }
.notice.error { border-color: rgba(211,107,86,.45); background: rgba(211,107,86,.08); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0;
  background: #09090c;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, .7fr);
  gap: 2rem;
}
.footer-grid a { display: block; color: var(--paper-muted); margin: .35rem 0; }
.footer-grid a:hover { color: var(--accent); }
.footer-title { font-weight: 900; color: var(--paper); margin-bottom: .6rem; }
.copyright { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }


@media (min-width: 981px) and (max-width: 1220px) {
  .header-inner { gap: .75rem; }
  .logo span { font-size: 1.02rem; }
  .nav { gap: .12rem; }
  .nav a, .language-switch button {
    padding: .58rem .48rem;
    font-size: .88rem;
  }
}

@media (max-width: 980px) {
  .hero-grid, .book-page-hero, .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .buy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav {
    position: fixed;
    inset: 78px 1rem auto 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: var(--radius);
    background: rgba(14,14,18,.96);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { border-radius: var(--radius-sm); }
  .mobile-toggle { display: inline-flex; }
}
@media (max-width: 640px) {
  .section { padding: 3.5rem 0; }
  .grid-3, .grid-4, .book-grid, .buy-grid, .meta-list { grid-template-columns: 1fr; }
  .hero-book { grid-template-columns: 1fr; }
  .hero-book img { max-width: 190px; }
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.4rem, 14vw, 4rem); }
}

/* Fondos configurables de fichas de libro.
   Para cambiar el fondo de un libro, edita el campo "background" en assets/data/books.json.
   Para cambiar el fondo de cada opción, edita "menuBackgrounds" en el mismo libro. */
body[data-page="book"] {
  --book-background-image: linear-gradient(180deg, #0e0e12, #09090c);
  --book-hero-background-image: var(--book-background-image);
  --book-menu-bg-sinopsis: var(--book-background-image);
  --book-menu-bg-capitulo1: var(--book-background-image);
  --book-menu-bg-fragmento: var(--book-background-image);
  --book-menu-bg-tecnica: var(--book-background-image);
  --book-menu-bg-ediciones: var(--book-background-image);
  --book-menu-bg-canales: var(--book-background-image);
  --book-menu-bg-relacionados: var(--book-background-image);
  background-image:
    linear-gradient(180deg, rgba(8,8,12,.38), rgba(8,8,12,.58)),
    var(--book-background-image);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

body[data-page="book"] .page-hero {
  border-bottom: 1px solid rgba(255,255,255,.16);
}
/*
.fondo-caja-hueso-full {
  min-height: calc(100vh - 180px);
  background-image: linear-gradient(rgba(0, 0, 0, 0.45),
  rgba(0, 0, 0, 0.60)),
  url("../img/fondos/la-caja-de-hueso.webp");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}*/

.book-screen {
  --book-screen-background: var(--book-background-image);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.book-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(135deg, rgba(8,8,12,.34), rgba(8,8,12,.18) 48%, rgba(8,8,12,.52)),
    var(--book-screen-background);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.book-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at top left, rgba(200,155,92,.10), transparent 28rem),
    linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.32));
  pointer-events: none;
}

[data-screen="hero"] { --book-screen-background: var(--book-hero-background-image); }
[data-panel="sinopsis"] { --book-screen-background: var(--book-menu-bg-sinopsis); }
[data-panel="capitulo1"] { --book-screen-background: var(--book-menu-bg-capitulo1); }
[data-panel="fragmento"] { --book-screen-background: var(--book-menu-bg-fragmento); }
[data-panel="tecnica"] { --book-screen-background: var(--book-menu-bg-tecnica); }
[data-panel="ediciones"] { --book-screen-background: var(--book-menu-bg-ediciones); }
[data-panel="canales"] { --book-screen-background: var(--book-menu-bg-canales); }
[data-panel="relacionados"] { --book-screen-background: var(--book-menu-bg-relacionados); }

.book-tabs-panel {
  background: rgba(10,10,14,.46);
  backdrop-filter: blur(12px);
}

.book-tabs-panel .tab-panel {
  min-height: min(62vh, 720px);
  padding: clamp(1.25rem, 4vw, 2.4rem);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 22px 70px rgba(0,0,0,.24);
}

.book-option-menu .btn-secondary[data-menu-bg],
.book-tabs-panel .tab-button[data-menu-bg] {
  background-size: cover;
  background-position: center;
}

.book-option-menu [data-menu-bg="sinopsis"],
.book-tabs-panel [data-menu-bg="sinopsis"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-sinopsis); }
.book-option-menu [data-menu-bg="capitulo1"],
.book-tabs-panel [data-menu-bg="capitulo1"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-capitulo1); }
.book-option-menu [data-menu-bg="fragmento"],
.book-tabs-panel [data-menu-bg="fragmento"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-fragmento); }
.book-option-menu [data-menu-bg="tecnica"],
.book-tabs-panel [data-menu-bg="tecnica"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-tecnica); }
.book-option-menu [data-menu-bg="ediciones"],
.book-tabs-panel [data-menu-bg="ediciones"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-ediciones); }
.book-option-menu [data-menu-bg="canales"],
.book-tabs-panel [data-menu-bg="canales"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-canales); }
.book-option-menu [data-menu-bg="relacionados"],
.book-tabs-panel [data-menu-bg="relacionados"] { background-image: linear-gradient(rgba(14,14,18,.44), rgba(14,14,18,.44)), var(--book-menu-bg-relacionados); }

.editions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.edition-card,
.keywords-panel {
  padding: 1rem;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  background: rgba(0,0,0,.36);
}

.edition-card h3 { font-size: 1.05rem; margin-bottom: .7rem; }
.edition-card p { margin: .35rem 0; color: var(--paper-muted); }
.edition-card .btn-secondary,
.edition-card .buy-btn { margin-top: .8rem; }
.format-editions { margin-top: .7rem; }
.keywords-panel { margin-top: 1rem; color: var(--paper-muted); }


@media (min-width: 981px) and (max-width: 1220px) {
  .header-inner { gap: .75rem; }
  .logo span { font-size: 1.02rem; }
  .nav { gap: .12rem; }
  .nav a, .language-switch button {
    padding: .58rem .48rem;
    font-size: .88rem;
  }
}

@media (max-width: 980px) {
  .editions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body[data-page="book"] { background-attachment: scroll; }
  .editions-grid { grid-template-columns: 1fr; }
  .book-tabs-panel .tab-panel { min-height: auto; }
}


/* FIX REAL FONDOS FICHAS 20260503:
   El fondo se aplica directamente desde main.js con rutas absolutas calculadas desde data-base.
   Estos overrides eliminan la capa antigua con z-index negativo que podía ocultar las imágenes. */
body[data-page="book"].book-bg-ready {
  background-color: #08090d !important;
  background-size: cover !important;
  background-position: center center !important;
  background-attachment: fixed !important;
}
body[data-page="book"].book-bg-ready .book-page,
body[data-page="book"].book-bg-ready .page-hero,
body[data-page="book"].book-bg-ready .tab-panel,
body[data-page="book"].book-bg-ready [data-menu-bg] {
  background-size: cover !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
}
body[data-page="book"].book-bg-ready .book-screen::before,
body[data-page="book"].book-bg-ready .book-screen::after {
  display: none !important;
}
body[data-page="book"].book-bg-ready .book-tabs-panel {
  background: rgba(8, 9, 13, .38) !important;
  backdrop-filter: blur(6px);
}
body[data-page="book"].book-bg-ready .book-page-hero,
body[data-page="book"].book-bg-ready .book-tabs-panel .tab-panel,
body[data-page="book"].book-bg-ready .container.panel {
  background-color: rgba(8, 9, 13, .44) !important;
}
body[data-page="book"].book-bg-ready .book-tabs-panel .tab-panel {
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10), 0 24px 70px rgba(0,0,0,.30) !important;
}
body[data-page="book"].book-bg-ready .tab-button,
body[data-page="book"].book-bg-ready .book-option-menu a {
  border-color: rgba(255,255,255,.22) !important;
  text-shadow: 0 1px 2px rgba(0,0,0,.75);
}
@media (max-width: 640px) {
  body[data-page="book"].book-bg-ready { background-attachment: scroll !important; }
}


/* Vista PDF del capítulo 1 */
.chapter-pdf-panel .pdf-intro {
  margin-bottom: 1rem;
  color: var(--paper-muted, #cfc8bb);
}

.chapter-pdf-viewer {
  width: 100%;
  height: min(72vh, 820px);
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius, 22px);
  background: rgba(0,0,0,.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 18px 50px rgba(0,0,0,.28);
}

.chapter-pdf-viewer iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: rgba(255,255,255,.96);
}

.pdf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1rem;
}

.is-hidden,
[hidden] {
  display: none !important;
}

@media (max-width: 640px) {
  .chapter-pdf-viewer {
    height: 70vh;
    min-height: 420px;
  }
}

/* Contacto editorial */

.contact-form,
#contact-form {
    width: 100%;
    max-width: 720px;
    margin: 30px auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea,
#contact-form input,
#contact-form textarea {
    width: 100%;
    display: block;
    padding: 14px 16px;
    font-size: 1rem;
    line-height: 1.5;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    color: inherit;
    box-sizing: border-box;
}

.contact-form textarea,
#contact-form textarea {
    min-height: 180px;
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder,
#contact-form input::placeholder,
#contact-form textarea::placeholder {
    color: rgba(255,255,255,0.65);
}

.contact-form label,
#contact-form label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-form label input[type="checkbox"],
#contact-form label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    flex: 0 0 auto;
}

.contact-form button,
#contact-form button {
    width: fit-content;
    min-width: 180px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}

#contact-message {
    margin-top: 8px;
    font-size: 1rem;
}

/* Newsletter */

.newsletter-form,
#newsletter-form {
    width: 100%;
    max-width: 620px;
    margin: 24px auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.newsletter-form input[type="email"],
#newsletter-form input[type="email"] {
    width: 100%;
    display: block;
    padding: 14px 16px;
    font-size: 1rem;
    line-height: 1.5;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    color: inherit;
    box-sizing: border-box;
}

.newsletter-form input::placeholder,
#newsletter-form input::placeholder {
    color: rgba(255,255,255,0.65);
}

.newsletter-form label,
#newsletter-form label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.newsletter-form label input[type="checkbox"],
#newsletter-form label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    flex: 0 0 auto;
}

.newsletter-form button,
#newsletter-form button {
    width: fit-content;
    min-width: 170px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}

#newsletter-message {
    margin-top: 6px;
    font-size: 1rem;
}

/* arquitectura-editorial-20260516 */
.section-links,.quick-links{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1rem}.static-card,.feature-card{padding:1.2rem;border:1px solid var(--line);border-radius:var(--radius-lg,24px);background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.04));box-shadow:0 16px 50px rgba(0,0,0,.18)}.static-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem}.editorial-map{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.9rem}.editorial-map a,.planned-title-list li{border:1px solid var(--line);background:rgba(255,255,255,.055);border-radius:16px}.editorial-map a{display:block;padding:1rem;text-decoration:none}.editorial-map strong{display:block;color:var(--text,var(--paper));margin-bottom:.25rem}.editorial-map span{color:var(--muted,var(--paper-muted));font-size:.92rem}.planned-title-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem .8rem;padding-left:1.3rem}.planned-title-list li{padding:.55rem .7rem}.notice-box{border:1px solid rgba(201,165,90,.45);background:rgba(201,165,90,.09);border-radius:18px;padding:1rem;margin:1rem 0}@media(max-width:980px){.static-grid,.editorial-map{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.static-grid,.editorial-map,.planned-title-list{grid-template-columns:1fr}}

/* ajuste-listas-series-noticias-20260516
   Evita que la numeración de las listas de libros se solape con el texto
   en noticias.html, en el modal "Ver detalles" y en las fichas de proyecto. */
.book-dialog .dialog-grid {
  grid-template-columns: minmax(140px, 190px) minmax(0, 1fr);
}
.book-dialog .dialog-grid > div,
.book-dialog .dialog-grid .detail-copy,
.book-dialog .tech-grid,
.book-dialog .planned-title-list {
  min-width: 0;
}
.planned-title-list {
  counter-reset: planned-title;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem .85rem;
  margin: 1rem 0 1.25rem;
  padding-left: 0 !important;
}
.planned-title-list li {
  counter-increment: planned-title;
  display: grid;
  grid-template-columns: 2.65rem minmax(0, 1fr);
  align-items: start;
  gap: .55rem;
  min-width: 0;
  padding: .62rem .75rem !important;
  line-height: 1.42;
  overflow-wrap: anywhere;
  word-break: normal;
}
.planned-title-list li::before {
  content: counter(planned-title, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.35rem;
  height: 1.75rem;
  padding: 0 .3rem;
  border-radius: 999px;
  background: rgba(201,165,90,.16);
  border: 1px solid rgba(201,165,90,.35);
  color: var(--accent-strong, #f2d07a);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .02em;
  box-sizing: border-box;
}
.tech-grid {
  min-width: 0;
}
.tech-item {
  min-width: 0;
  overflow-wrap: anywhere;
}
@media (max-width: 900px) {
  .planned-title-list {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .book-dialog .dialog-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .planned-title-list li {
    grid-template-columns: 2.45rem minmax(0, 1fr);
    gap: .45rem;
    padding: .58rem .62rem !important;
  }
  .planned-title-list li::before {
    min-width: 2.2rem;
    height: 1.65rem;
    font-size: .72rem;
  }
}


/* FIX páginas estáticas 20260516: series, novelas gráficas, cuentos, autor y contacto */
body[data-page="static"],
body[data-page="series"] {
  min-width: 0;
}
body[data-page="static"] .page-hero,
body[data-page="series"] .page-hero {
  padding-top: clamp(3.5rem, 7vw, 5rem);
}
body[data-page="static"] .static-grid,
body[data-page="series"] .static-grid {
  align-items: stretch;
}
body[data-page="static"] .static-card,
body[data-page="series"] .static-card,
body[data-page="static"] .panel,
body[data-page="series"] .panel {
  min-width: 0;
  overflow: hidden;
}
body[data-page="static"] .static-card p,
body[data-page="series"] .static-card p,
body[data-page="static"] .panel p,
body[data-page="series"] .panel p {
  overflow-wrap: anywhere;
}
.section-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  margin-top: 1.05rem;
}
.section-links .btn-secondary,
.static-card .btn-secondary {
  min-height: 40px;
  padding: .66rem .9rem;
  font-size: .92rem;
  line-height: 1.2;
  white-space: nowrap;
  max-width: 100%;
}
body[data-page="static"] .contact-form,
body[data-page="static"] #contact-form {
  margin: 0;
  max-width: none;
  width: 100%;
}
body[data-page="static"] .contact-form button,
body[data-page="static"] #contact-form button {
  background: var(--accent);
  color: #16110b;
  border-radius: 999px;
  font-weight: 800;
}
body[data-page="static"] .form-legal {
  color: var(--paper-muted);
  font-size: .92rem;
}
.nav a[data-nav-link="autor"] {
  letter-spacing: .03em;
  font-weight: 800;
}
@media (max-width: 980px) {
  body[data-page="static"] .grid-2,
  body[data-page="series"] .grid-2 {
    grid-template-columns: 1fr;
  }
  .section-links .btn-secondary,
  .static-card .btn-secondary {
    white-space: normal;
  }
}

/* FIX series.html boton Ver ficha 20260516
   Limita los botones de tarjetas en la página de Series para que no se estiren
   ni hereden tamaños excesivos de otros componentes. */
body[data-page="series"] .section-tight .static-card .section-links {
  justify-content: flex-start;
  align-items: flex-start;
}
body[data-page="series"] .section-tight .static-card .section-links .btn-secondary,
body[data-page="series"] .section-tight .static-card a.btn-secondary {
  display: inline-flex !important;
  flex: 0 0 auto !important;
  width: auto !important;
  max-width: max-content !important;
  min-width: 0 !important;
  min-height: 34px !important;
  padding: .48rem .78rem !important;
  font-size: .86rem !important;
  line-height: 1.15 !important;
  border-radius: 999px !important;
  align-self: flex-start !important;
  text-align: center;
}
body[data-page="series"] .section-tight .static-card .section-links .btn-secondary[href$="la-caja-de-hueso.html"] {
  min-width: 0 !important;
  max-width: 7.5rem !important;
}
@media (max-width: 680px) {
  body[data-page="series"] .section-tight .static-card .section-links .btn-secondary,
  body[data-page="series"] .section-tight .static-card a.btn-secondary {
    max-width: 100% !important;
    white-space: nowrap !important;
  }
}

/* FIX DEFINITIVO fichas individuales de libros 20260516 */
body[data-page="book"] {
  min-width: 0;
}

body[data-page="book"] .book-page {
  width: 100%;
  min-height: calc(100vh - 78px);
}

body[data-page="book"] .page-hero {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0 3rem;
}

body[data-page="book"] .book-page-hero {
  display: grid !important;
  grid-template-columns: minmax(180px, 300px) minmax(0, 1fr) !important;
  gap: clamp(1.4rem, 4vw, 3rem) !important;
  align-items: start !important;
  padding: clamp(1rem, 2.4vw, 1.6rem);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  background: rgba(10,10,14,.58);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  overflow: hidden;
}

body[data-page="book"] .book-page-hero > div {
  min-width: 0;
}

body[data-page="book"] #book-cover.book-cover-large,
body[data-page="book"] .book-page-hero > img.book-cover-large {
  display: block !important;
  width: min(100%, 280px) !important;
  max-width: 280px !important;
  height: auto !important;
  max-height: min(56vh, 430px) !important;
  aspect-ratio: 2 / 3;
  object-fit: contain !important;
  justify-self: center;
  align-self: start;
  margin: 0 auto;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.28);
  box-shadow: 0 22px 60px rgba(0,0,0,.45);
}

body[data-page="book"] #book-title {
  font-size: clamp(2rem, 4.4vw, 4.1rem);
  overflow-wrap: anywhere;
}

body[data-page="book"] #book-short-description,
body[data-page="book"] #book-description,
body[data-page="book"] #book-excerpt {
  max-width: 980px;
  overflow-wrap: normal;
  word-break: normal;
}

body[data-page="book"] .book-option-menu {
  align-items: center;
  gap: .6rem;
}

body[data-page="book"] .book-option-menu .btn,
body[data-page="book"] .book-option-menu .btn-secondary,
body[data-page="book"] .pdf-actions .btn-secondary,
body[data-page="book"] .edition-card .btn-secondary,
body[data-page="book"] .buy-btn {
  width: auto !important;
  max-width: 100%;
  min-height: 40px;
  padding: .64rem .88rem;
  font-size: .92rem;
  line-height: 1.2;
  white-space: nowrap;
}

body[data-page="book"] .chips,
body[data-page="book"] .badges {
  min-width: 0;
}

body[data-page="book"] .chip,
body[data-page="book"] .badge {
  max-width: 100%;
  white-space: normal;
  text-align: left;
}

body[data-page="book"] .book-tabs-panel {
  margin-top: 1.25rem;
  margin-bottom: 3rem;
  padding: clamp(1rem, 2vw, 1.45rem);
}

body[data-page="book"] .book-tabs-panel .tabs {
  align-items: center;
}

body[data-page="book"] .book-tabs-panel .tab-button {
  min-height: 38px;
  padding: .56rem .82rem;
  line-height: 1.15;
  white-space: nowrap;
}

body[data-page="book"] .book-tabs-panel .tab-panel {
  display: none;
  min-height: auto !important;
  overflow: visible;
}

body[data-page="book"] .book-tabs-panel .tab-panel.active {
  display: block;
}

body[data-page="book"] .meta-list,
body[data-page="book"] .editions-grid,
body[data-page="book"] .buy-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-page="book"] .meta-item,
body[data-page="book"] .edition-card,
body[data-page="book"] .keywords-panel,
body[data-page="book"] .channel-card,
body[data-page="book"] .related-card {
  min-width: 0;
  overflow-wrap: anywhere;
}

body[data-page="book"] #related-books.book-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-page="book"] #related-books .book-card img {
  width: min(100%, 130px);
  margin-inline: auto;
}

body[data-page="book"] .chapter-pdf-viewer {
  max-height: 720px;
}

@media (max-width: 980px) {
  body[data-page="book"] .book-page-hero,
  body[data-page="book"] .meta-list,
  body[data-page="book"] .editions-grid,
  body[data-page="book"] .buy-grid,
  body[data-page="book"] #related-books.book-grid {
    grid-template-columns: 1fr !important;
  }
  body[data-page="book"] #book-cover.book-cover-large,
  body[data-page="book"] .book-page-hero > img.book-cover-large {
    max-width: 230px !important;
    max-height: 360px !important;
  }
  body[data-page="book"] .book-tabs-panel .tab-button,
  body[data-page="book"] .book-option-menu .btn,
  body[data-page="book"] .book-option-menu .btn-secondary {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  body[data-page="book"] .page-hero {
    padding-top: 2rem;
  }
  body[data-page="book"] .book-page-hero {
    padding: 1rem;
  }
  body[data-page="book"] #book-title {
    font-size: clamp(1.8rem, 10vw, 2.6rem);
  }
  body[data-page="book"] #book-cover.book-cover-large,
  body[data-page="book"] .book-page-hero > img.book-cover-large {
    max-width: 190px !important;
    max-height: 300px !important;
  }
  body[data-page="book"] .book-tabs-panel .tabs,
  body[data-page="book"] .book-option-menu,
  body[data-page="book"] .pdf-actions {
    align-items: stretch;
  }
  body[data-page="book"] .book-tabs-panel .tab-button,
  body[data-page="book"] .book-option-menu .btn,
  body[data-page="book"] .book-option-menu .btn-secondary,
  body[data-page="book"] .pdf-actions .btn-secondary {
    width: 100% !important;
    justify-content: center;
  }
}

/* Enlaces completos de portada en tarjetas y fichas */
.cover-wrap .cover-link,
.book-cover-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.cover-wrap .cover-link img {
  display: block;
  width: 100%;
}

/* Relaciones en fichas estáticas: mismo diseño visual que las fichas relacionadas de obras publicadas. */
body[data-page="static"] #related-books.book-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-page="static"] #related-books .book-card img,
.news-dialog .related-works-grid .book-card img {
  width: min(100%, 130px);
  margin-inline: auto;
}

@media (max-width: 980px) {
  body[data-page="static"] #related-books.book-grid {
    grid-template-columns: 1fr !important;
  }
}



/* Corrección 2026-05-23: contraste y legibilidad de botones de compra en fichas.
   Evita que el texto del botón Comprar quede oscuro sobre fondos de imagen
   y permite que los textos largos de disponibilidad se vean completos. */
body[data-page="book"] .book-option-menu .btn[data-menu-bg],
body[data-page="book"] .book-option-menu .btn[data-menu-bg="canales"] {
  color: var(--paper) !important;
  background-color: rgba(8, 10, 14, .78) !important;
  border-color: rgba(255,255,255,.28) !important;
  text-shadow: 0 2px 8px rgba(0,0,0,.85), 0 0 1px rgba(0,0,0,.95);
  box-shadow: 0 12px 28px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.14);
}

body[data-page="book"] .book-option-menu .btn[data-menu-bg]:hover,
body[data-page="book"] .book-option-menu .btn[data-menu-bg="canales"]:hover {
  color: #fff !important;
  border-color: rgba(200,155,92,.65) !important;
}

body[data-page="book"] .buy-grid .buy-btn,
body[data-page="book"] .edition-card .buy-btn {
  color: var(--paper) !important;
  opacity: 1 !important;
  white-space: normal !important;
  overflow-wrap: anywhere;
  word-break: normal;
  text-align: left;
}

body[data-page="book"] .buy-grid .buy-btn {
  min-height: 74px;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  gap: .28rem;
}

body[data-page="book"] .buy-grid .buy-btn span,
body[data-page="book"] .edition-card .buy-btn span {
  color: var(--accent) !important;
  white-space: normal !important;
  overflow-wrap: anywhere;
  line-height: 1.25;
}

body[data-page="book"] .buy-grid .buy-btn.disabled,
body[data-page="book"] .edition-card .buy-btn.disabled {
  color: rgba(245,239,226,.92) !important;
  background: rgba(255,255,255,.055) !important;
  border-color: rgba(255,255,255,.16) !important;
}

body[data-page="book"] .buy-grid .buy-btn.disabled span,
body[data-page="book"] .edition-card .buy-btn.disabled span {
  color: rgba(245,239,226,.72) !important;
}


/* Corrección 2026-05-23: contraste y legibilidad de botones secundarios y pestañas de fichas.
   Aplica también al botón Sinopsis, que usa .btn-secondary y no entraba en la corrección anterior del botón Comprar. */
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg] {
  color: #fff !important;
  background-color: rgba(8, 10, 14, .82) !important;
  border-color: rgba(255,255,255,.34) !important;
  text-shadow: 0 2px 8px rgba(0,0,0,.92), 0 0 2px rgba(0,0,0,1) !important;
  box-shadow: 0 10px 26px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.14) !important;
  opacity: 1 !important;
  filter: none !important;
}

body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="sinopsis"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="sinopsis"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-sinopsis) !important;
}
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="capitulo1"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="capitulo1"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-capitulo1) !important;
}
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="fragmento"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="fragmento"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-fragmento) !important;
}
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="tecnica"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="tecnica"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-tecnica) !important;
}
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="ediciones"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="ediciones"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-ediciones) !important;
}
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="canales"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="canales"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-canales) !important;
}
body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg="relacionados"],
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg="relacionados"] {
  background-image: linear-gradient(rgba(5,7,10,.74), rgba(5,7,10,.74)), var(--book-menu-bg-relacionados) !important;
}

body[data-page="book"] .book-option-menu .btn-secondary[data-menu-bg]:hover,
body[data-page="book"] .book-tabs-panel .tab-button[data-menu-bg]:hover {
  color: #fff !important;
  border-color: rgba(200,155,92,.70) !important;
}

body[data-page="book"] .book-tabs-panel .tab-button.active[data-menu-bg] {
  color: #fff !important;
  font-weight: 900 !important;
}