:root {
  --bg: #f7f3ec;
  --bg-alt: #ffffff;
  --text: #1f1b16;
  --accent: #8a3324;
  --accent-light: #c9a14a;
  --accent-2: #1f3f4f;
  --border: #ddd3c0;
  --max-width: 880px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(138,51,36,0.05), transparent 45%),
    radial-gradient(circle at 100% 25%, rgba(31,63,79,0.06), transparent 50%),
    repeating-linear-gradient(135deg, rgba(0,0,0,0.015) 0px, rgba(0,0,0,0.015) 1px, transparent 1px, transparent 4px);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
}

header.site-header {
  background: var(--accent);
  color: #fff;
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

header.site-header a {
  color: #fff;
  text-decoration: none;
}

header.site-header .brand {
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: 0.5px;
}

nav.site-nav a {
  margin-left: 1.2rem;
  font-size: 0.95rem;
  opacity: 0.9;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
nav.site-nav a:hover {
  opacity: 1;
  text-decoration: none;
  border-bottom-color: var(--accent-light);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.header-banner {
  display: block;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  height: auto;
}

.hero {
  text-align: center;
  padding: 2.5rem 1rem 1rem;
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 0.3rem;
}

.hero p.tagline {
  color: #5a4f42;
  font-style: italic;
}

.hero::after {
  content: "";
  display: block;
  width: 140px;
  height: 3px;
  margin: 1.4rem auto 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}

.pull-quote {
  max-width: 640px;
  margin: 2.8rem auto;
  padding: 1.6rem 2rem;
  text-align: center;
  position: relative;
  font-style: italic;
  font-size: 1.3rem;
  color: var(--accent-2);
  border-left: 3px solid var(--accent-light);
  border-right: 3px solid var(--accent-light);
}
.pull-quote span {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.85rem;
  font-style: normal;
  font-family: Arial, sans-serif;
  color: #5a4f42;
  letter-spacing: 0.5px;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.book-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent-2);
  border-radius: 8px;
  padding: 1.2rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.book-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.1);
}

.book-card img {
  max-width: 100%;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.cover-wrap {
  position: relative;
  display: inline-block;
}

.volume-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  background: var(--accent-2);
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: bold;
  letter-spacing: 0.5px;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25);
}

.book-card h2 { font-size: 1.3rem; margin: 0.3rem 0; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  font-family: Arial, sans-serif;
  font-size: 0.95rem;
  margin-top: 0.6rem;
  border: none;
  cursor: pointer;
}
.btn:hover { background: #6f2719; }
.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn.secondary:hover { background: rgba(138,51,36,0.08); }

.saga-section {
  max-width: 700px;
  margin: 3rem auto 0;
}
.saga-section h2 { text-align: center; margin-bottom: 1.5rem; }
.saga-section h3 {
  color: var(--accent-2);
  font-family: Arial, sans-serif;
  font-size: 1.1rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  padding-left: 0.7rem;
  border-left: 3px solid var(--accent-light);
}
.saga-section ul { padding-left: 1.4rem; }
.saga-section li { margin-bottom: 0.4rem; }

.author-section {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2.5rem;
}
.author-section img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.gallery-grid img {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.contact-note {
  font-size: 0.85rem;
  color: #5a4f42;
  font-family: Arial, sans-serif;
  margin-top: 0.6rem;
}

footer.site-footer {
  text-align: center;
  padding: 1.5rem;
  color: #837865;
  font-size: 0.85rem;
}
footer.site-footer a.footer-fb {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
footer.site-footer a.footer-fb:hover {
  border-bottom-color: var(--accent);
}

/* ---- Reader ---- */
.reader-toolbar {
  position: sticky;
  top: 64px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  font-family: Arial, sans-serif;
  z-index: 10;
}

.reader-controls {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.reader-controls button {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-size: 0.85rem;
}
.reader-controls button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: var(--border);
}
.progress-bar {
  height: 100%;
  background: var(--accent-light);
  width: 0%;
}

#reader-content {
  padding: 2rem 0.5rem;
}
#reader-content h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}
#reader-content p {
  margin-bottom: 1.1em;
}

.reader-end-banner {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-alt);
  border: 1px solid var(--accent-light);
  border-radius: 8px;
  text-align: center;
  font-family: Arial, sans-serif;
}

.chapter-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  font-family: Arial, sans-serif;
}

/* alignment & font options applied via classes on #reader-content */
.align-left { text-align: left; }
.align-justify { text-align: justify; }
.font-serif { font-family: Georgia, "Times New Roman", serif; }
.font-sans { font-family: Arial, Helvetica, sans-serif; }
.font-dyslexic { font-family: "Comic Sans MS", "Comic Sans", cursive; }

@media (max-width: 600px) {
  .author-section { flex-direction: column; text-align: center; }
}

@media (max-width: 540px) {
  header.site-header {
    position: static;
    justify-content: center;
    text-align: center;
  }
  nav.site-nav {
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  nav.site-nav a { margin-left: 0; }

  .reader-toolbar {
    position: static;
    top: auto;
  }

  .hero h1 { font-size: 1.6rem; }

  .pull-quote {
    font-size: 1.05rem;
    padding: 1.2rem 1rem;
  }
}

/* ---- Dark mode ---- */
body.dark-mode {
  --bg: #1a1714;
  --bg-alt: #242019;
  --text: #e8e0d4;
  --border: #3a3328;
  background-color: var(--bg);
  color: var(--text);
}
body.dark-mode .pull-quote { color: #8fb8cc; }
body.dark-mode .hero p.tagline,
body.dark-mode .contact-note,
body.dark-mode .construccion-bloque .nota { color: #9a9080; }
body.dark-mode .saga-section h3 { color: #8fb8cc; }
body.dark-mode .book-card,
body.dark-mode .author-section,
body.dark-mode .reader-end-banner { border-color: var(--border); }
body.dark-mode footer.site-footer { color: #6a6050; }

#dark-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 20px;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem 0.6rem;
  line-height: 1;
  opacity: 0.85;
  transition: opacity 0.15s;
}
#dark-toggle:hover { opacity: 1; }

/* ---- Animaciones de entrada (fade-in al scroll) ---- */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ---- Selector de capítulo en el lector ---- */
#chapter-select-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
#chapter-select {
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  max-width: 220px;
}

/* ---- Lector: modo páginas ---- */
body.paged main {
  max-width: 1100px;
}
body.paged #reader-viewport {
  position: relative;
  height: calc(100vh - 260px);
  min-height: 380px;
  overflow: hidden;
}
body.paged #reader-content {
  height: 100%;
  padding: 0.5rem 0;
  column-gap: 56px;
  column-fill: auto;
}
body.paged #reader-content p {
  text-indent: 1.3em;
  margin: 0 0 0.2em;
}
body.paged #reader-content h2 {
  break-after: avoid;
}
.page-navbtn {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 7%;
  min-width: 34px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--accent);
  font-size: 1.5em;
  opacity: 0.35;
  transition: opacity 0.15s;
  z-index: 5;
}
.page-navbtn:hover { opacity: 0.9; }
#page-prev { left: -2.5rem; }
#page-next { right: -2.5rem; }
@media (max-width: 700px) {
  #page-prev { left: 0; }
  #page-next { right: 0; }
}
#reader-spine {
  position: absolute;
  top: 4%;
  bottom: 4%;
  left: 50%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(120,100,60,0.35) 15%, rgba(120,100,60,0.35) 85%, transparent);
  pointer-events: none;
  display: none;
}
body.paged.double-page #reader-spine { display: block; }
#page-info {
  text-align: center;
  font-family: Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--accent);
  opacity: 0.8;
  padding: 0.4rem 0;
}

/* ---- Página El universo de la bilogía ---- */
.timeline {
  position: relative;
  margin: 2.5rem 0;
  padding-left: 2rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.57rem;
  top: 0.35rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 2px solid var(--accent);
}
.timeline-item .tl-year {
  font-family: Arial, sans-serif;
  font-weight: bold;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}
.tag-h, .tag-n {
  display: inline-block;
  font-family: Arial, sans-serif;
  font-size: 0.66rem;
  font-weight: bold;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 0.3rem;
}
.tag-h { background: var(--accent); color: #fff; }
.tag-n { background: var(--accent-2); color: #fff; }
.timeline-item h3 {
  margin: 0.2rem 0 0.3rem;
  font-size: 1.05rem;
  color: var(--accent-2);
}
body.dark-mode .timeline-item h3 { color: #8fb8cc; }
.timeline-item p { margin: 0; font-size: 0.95rem; }

.personajes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.personaje-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-light);
  border-radius: 6px;
  padding: 1rem 1.2rem;
}
.personaje-card .pj-nombre {
  font-weight: bold;
  font-size: 1rem;
  color: var(--accent-2);
}
body.dark-mode .personaje-card .pj-nombre { color: #8fb8cc; }
.personaje-card .pj-rol {
  font-family: Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}
.personaje-card p { margin: 0; font-size: 0.9rem; }