/* =========================================================
   ÁLBUM DE BAUTIZOS — Libro con hojas que se pasan
   Depende de: css/style.css (variables) + js/page-flip.browser.js
   ========================================================= */

:root {
  --paper: #F6F0E4;
  --paper-edge: #E9DFCB;
  --paper-ink: #3B3427;
  --paper-muted: #8A7E66;
  --cover: #0F172A;
  --cover-deep: #070C18;
  --gold: #F59E0B;
  --gold-soft: #FDE68A;
}

.album-section {
  padding: 6rem 0 7rem;
  position: relative;
  overflow: hidden;
}

/* Halo dorado detrás del libro */
.album-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 55%;
  width: min(1100px, 120vw);
  height: 700px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.12) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.album-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
  position: relative;
  z-index: 1;
}

.album-badge {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.08);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

/* ---------- Escenario del libro ---------- */
.album-stage {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
}

.album-book {
  margin: 0 auto;
  /* sombra del libro sobre la "mesa" */
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.55));
}

/* Hasta que la librería arranca, no mostramos las hojas apiladas */
.album-book:not(.is-ready) .page {
  display: none;
}

.album-book:not(.is-ready) .page:first-child {
  display: block;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin: 0 auto;
}

/* ---------- Hoja base ---------- */
.page {
  background: var(--paper);
  color: var(--paper-ink);
  overflow: hidden;
}

.page-inner {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 7% 7% 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* textura suave de papel */
  background:
    radial-gradient(ellipse at 50% 40%, rgba(255, 255, 255, 0.55), transparent 70%),
    linear-gradient(var(--paper), var(--paper-edge));
}

/* Sombra del lomo: hojas izquierdas sombrean a la derecha y viceversa */
.page.--left .page-inner {
  box-shadow: inset -22px 0 30px -18px rgba(59, 52, 39, 0.35);
}

.page.--right .page-inner {
  box-shadow: inset 22px 0 30px -18px rgba(59, 52, 39, 0.35);
}

/* ---------- Hoja con fotografía ---------- */
.photo-frame {
  flex: 1;
  width: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-frame img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  padding: 6px;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15), 0 8px 18px rgba(59, 52, 39, 0.25);
  /* mientras carga, reserva espacio */
  min-width: 40%;
  min-height: 30%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.photo-frame img.is-loaded {
  opacity: 1;
  min-width: 0;
  min-height: 0;
}

/* Esquineros dorados de álbum antiguo */
.photo-frame {
  position: relative;
}

.page-caption {
  margin-top: 4%;
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-heading);
  font-size: clamp(0.65rem, 1.4vw, 0.85rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

.page-caption strong {
  color: #B4730A;
  font-weight: 600;
}

/* ---------- Portadas (tapa dura) ---------- */
.page.page-cover {
  background: var(--cover);
}

.page-cover .page-inner {
  background:
    radial-gradient(ellipse at 50% 30%, rgba(245, 158, 11, 0.16), transparent 60%),
    linear-gradient(160deg, #13203A 0%, var(--cover) 45%, var(--cover-deep) 100%);
  color: var(--color-primary-text);
  padding: 9%;
  box-shadow: none !important;
}

/* marco dorado doble */
.page-cover .page-inner::before,
.page-cover .page-inner::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(245, 158, 11, 0.55);
  pointer-events: none;
}

.page-cover .page-inner::before {
  inset: 4.5%;
}

.page-cover .page-inner::after {
  inset: 6%;
  border-color: rgba(245, 158, 11, 0.25);
}

.cover-logo {
  width: 52%;
  max-width: 230px;
  height: auto;
  margin-bottom: 4%;
}

.cover-kicker {
  font-family: var(--font-heading);
  font-size: clamp(0.6rem, 1.3vw, 0.8rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold-soft);
  opacity: 0.85;
}

.cover-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.2vw, 2.9rem);
  line-height: 1.05;
  margin: 3% 0;
  background: linear-gradient(135deg, var(--gold-soft) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cover-years {
  font-family: var(--font-heading);
  font-size: clamp(0.8rem, 1.8vw, 1.1rem);
  letter-spacing: 0.2em;
  color: var(--color-primary-text);
}

.cover-hint {
  position: absolute;
  bottom: 9%;
  left: 0;
  right: 0;
  font-size: clamp(0.6rem, 1.2vw, 0.75rem);
  color: var(--color-secondary-text);
  margin: 0;
  animation: albumPulse 2.4s ease-in-out infinite;
}

.page-back .cover-logo {
  width: 32%;
  opacity: 0.9;
}

.page-back p {
  font-size: clamp(0.65rem, 1.3vw, 0.85rem);
  color: var(--color-secondary-text);
  margin: 0;
}

/* ---------- Separadores de capítulo ---------- */
.chapter-ornament {
  width: 38%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #C98A1A, transparent);
  margin: 5% auto;
  position: relative;
}

.chapter-ornament::after {
  content: '\271D';
  /* cruz latina */
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -55%);
  background: var(--paper);
  padding: 0 0.6em;
  color: #C98A1A;
  font-size: clamp(0.9rem, 2vw, 1.3rem);
}

.chapter-kicker {
  font-family: var(--font-heading);
  font-size: clamp(0.6rem, 1.3vw, 0.8rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

.chapter-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 3rem);
  line-height: 1.05;
  color: var(--paper-ink);
  margin-top: 2%;
}

.chapter-title span {
  color: #C98A1A;
}

.chapter-verse {
  font-size: clamp(0.7rem, 1.5vw, 0.95rem);
  font-style: italic;
  color: #5E5442;
  max-width: 85%;
  line-height: 1.55;
  margin: 0;
}

.chapter-ref {
  display: block;
  margin-top: 0.6em;
  font-style: normal;
  font-family: var(--font-heading);
  font-size: 0.85em;
  letter-spacing: 0.1em;
  color: var(--paper-muted);
}

.chapter-meta {
  margin-top: 6%;
  font-family: var(--font-heading);
  font-size: clamp(0.6rem, 1.2vw, 0.78rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

/* ---------- Controles ---------- */
.album-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2.75rem;
  position: relative;
  z-index: 1;
}

.album-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary-text);
  font-size: 1.1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.album-btn:hover:not(:disabled) {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
  transform: translateY(-2px);
}

.album-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.album-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.album-counter {
  min-width: 9.5rem;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary-text);
  font-size: 1rem;
}

.album-counter small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--color-secondary-text);
}

/* Saltos rápidos de capítulo */
.album-chapters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.album-chip {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  padding: 0.45rem 1.1rem;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-secondary-text);
  cursor: pointer;
  transition: var(--transition-fast);
}

.album-chip:hover,
.album-chip.is-active {
  color: var(--color-accent);
  border-color: rgba(245, 158, 11, 0.5);
  background: rgba(245, 158, 11, 0.08);
}

.album-chip:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.album-help {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-secondary-text);
  margin: 1.25rem 0 0;
  position: relative;
  z-index: 1;
}

/* ---------- Respaldo si la librería no carga ---------- */
.album-book.is-fallback {
  filter: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.album-book.is-fallback .page {
  display: block !important;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
}

/* ---------- Animaciones ---------- */
@keyframes albumPulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .cover-hint { animation: none; }
  .photo-frame img { transition: none; }
}

@media (max-width: 768px) {
  .album-section { padding: 4rem 0 5rem; }
  .album-intro { margin-bottom: 2.5rem; }
  .album-btn { width: 46px; height: 46px; }
  .album-counter { min-width: 8rem; font-size: 0.95rem; }
}