/* ==========================================================================
   Tagebuch Leser (Plantilla de Lectura Inmersiva + Decodificador Tooltip)
   ========================================================================== */

/* Header & Sticky Nav */
.leser-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(253, 251, 248, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1rem 1.5rem;
}

.leser-nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-text-main);
  transition: color 0.3s ease;
}

.nav-back-link:hover {
  color: var(--color-accent);
}

/* Conmutador de Inmersión */
.immersion-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toggle-label {
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-weight: 700;
  color: var(--color-text-subtle);
}

.toggle-label.active {
  color: var(--color-text-main);
  font-weight: 900;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #E7E5E4;
  transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

input:checked + .slider {
  background-color: var(--color-text-main);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Main Reading Article Container */
.leser-main {
  padding-top: 7.5rem;
  padding-bottom: 6rem;
}

.article-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.article-badge {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  display: block;
}

.article-title-es {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  line-height: 1.2;
  color: var(--color-text-main);
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .article-title-es {
    font-size: 3rem;
  }
}

.article-title-de {
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

.article-meta-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-text-subtle);
  font-weight: 600;
}

/* Silent Player / Audio Bar */
.audio-player-wrapper {
  max-width: 65ch;
  margin: 0 auto 3rem;
}

.audio-pending {
  display: none !important;
}

.custom-audio-bar {
  width: 100%;
  background-color: #F3F0E9;
  border-radius: 4px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--color-border);
}

.custom-audio-bar audio {
  width: 100%;
  height: 36px;
  outline: none;
}

/* Feature Image */
.article-cover {
  max-width: 800px;
  margin: 0 auto 4rem;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(15%);
}

/* Body Prose (100% Spanish Narrative) */
.manuscrito-editorial {
  max-width: 65ch;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--color-text-main);
}

.manuscrito-editorial p {
  margin-bottom: 1.75rem;
  text-align: justify;
}

/* Letrina Capitular (Drop-cap) */
.manuscrito-editorial p.first-paragraph::first-letter {
  font-family: var(--font-serif);
  font-size: 4.25rem;
  float: left;
  line-height: 0.8;
  padding-top: 0.35rem;
  padding-right: 0.75rem;
  padding-bottom: 0.1rem;
  color: var(--color-accent);
  font-weight: 700;
}

/* Bilingual Pair (Bilingual Mode) */
.bilingual-pair {
  margin-bottom: 2rem;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.bilingual-pair .text-es {
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--color-text-main);
  margin-bottom: 0.35rem;
}

.bilingual-pair .text-de {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  font-style: italic;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--color-border);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.bilingual-pair:hover .text-de {
  opacity: 1;
}

/* Modo Inmersión (Nur ES) */
body.immersion-mode .bilingual-pair .text-de {
  display: none !important;
}

body.immersion-mode .article-title-de {
  opacity: 0.5;
}

/* Experiencia Lupa Táctil (Decodificación contextual Tooltip) */
.decodificar {
  position: relative;
  border-bottom: 1.5px dotted var(--color-accent);
  color: inherit;
  cursor: help;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  padding: 0 2px;
  border-radius: 2px;
}

.decodificar:hover {
  background-color: rgba(211, 84, 0, 0.08);
  border-bottom-style: solid;
}

/* Tooltip floating box */
.decodificar-tooltip-box {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background-color: var(--color-surface-dark);
  color: #FDFBF8;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  font-style: italic;
  line-height: 1.45;
  padding: 0.6rem 0.9rem;
  border-radius: 4px;
  white-space: normal;
  width: max-content;
  max-width: 280px;
  text-align: center;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 1000;
}

.decodificar-tooltip-box::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: var(--color-surface-dark) transparent transparent transparent;
}

.decodificar:hover .decodificar-tooltip-box,
.decodificar.active .decodificar-tooltip-box {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Sección Editorial: Kultureller Radar & Decodierung */
.decodificacion-section {
  margin-top: 4.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--color-border);
}

.decodificacion-header {
  text-align: center;
  max-width: 65ch;
  margin: 0 auto 2.5rem;
}

.decodificacion-badge {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 0.75rem;
}

.decodificacion-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}

.decodificacion-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.decodificacion-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 850px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .decodificacion-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.radar-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.radar-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.radar-card-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.radar-term {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.radar-category {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.radar-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.radar-desc strong {
  color: var(--color-text-main);
}

/* Cierre de Autor en Alemán (Bloque Exacto) */
.autor-abschluss {
  margin-top: 5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.autor-abschluss .ort-notiz {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-text-main);
  margin-bottom: 1rem;
}

.autor-abschluss .zitat-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto 1.25rem;
  font-style: italic;
}

.autor-abschluss .kontakt-link {
  font-size: 0.9375rem;
  font-weight: 600;
}

.autor-abschluss .kontakt-link a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s ease;
}

.autor-abschluss .kontakt-link a:hover {
  color: var(--color-accent-hover);
}