/* ==========================================================================
   LIBROS EFA — Catálogo Biblioteca Nacional
   CSS separado para el artículo Joomla "Libros_v2"
   Prefijado con #lib-efa para no interferir con otros diseños
   ========================================================================== */

#lib-efa {
  --bnc-navy: #1A2B4A;
  --bnc-gold: #C9A84C;
  --bnc-cream: #F5F0E8;
  --bnc-parchment: #EDE5D0;
  --bnc-brown: #6B4C2A;
  --bnc-red: #8B1A1A;
  --bnc-gray: #4A4A4A;
  --bnc-lightgray: #E8E4DC;

  background-color: var(--bnc-cream);
  color: #2c2c2c;
  font-family: 'Source Sans 3', 'Helvetica Neue', sans-serif;
  box-sizing: border-box;
}

#lib-efa *, #lib-efa *::before, #lib-efa *::after {
  box-sizing: border-box;
}

#lib-efa h1, #lib-efa h2, #lib-efa h3, #lib-efa h4 {
  font-family: 'Playfair Display', Georgia, serif;
}

/* ── HERO BANNER ── */
#lib-efa .lib-hero {
  background: linear-gradient(135deg, var(--bnc-navy) 0%, #0d1b30 60%, #2a1a0a 100%);
  position: relative;
  overflow: hidden;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

#lib-efa .lib-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Biblioteca_Nacional_de_Chile_-_Interior.jpg/1280px-Biblioteca_Nacional_de_Chile_-_Interior.jpg') center/cover no-repeat;
  opacity: 0.08;
}

#lib-efa .lib-hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

#lib-efa .lib-hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

#lib-efa .lib-hero-eyebrow span.line {
  height: 1px;
  width: 60px;
  background: var(--bnc-gold);
  opacity: 0.5;
  display: block;
}

#lib-efa .lib-hero-eyebrow span.label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bnc-gold);
}

#lib-efa .lib-hero-title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

#lib-efa .lib-hero-title em {
  font-style: normal;
  color: var(--bnc-gold);
}

#lib-efa .lib-hero-sub {
  color: #d4d4d4;
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 0.5rem;
}

#lib-efa .lib-hero-tag {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bnc-gold);
  margin-bottom: 1.5rem;
}

/* Search bar */
#lib-efa .lib-search-wrap {
  display: flex;
  justify-content: center;
}

#lib-efa .lib-search-input {
  font-size: 0.9rem;
  border: 1px solid #c5bfb4;
  border-radius: 2px;
  padding: 0.6rem 2.5rem 0.6rem 1rem;
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  color: var(--bnc-navy);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#lib-efa .lib-search-input:focus {
  outline: none;
  border-color: var(--bnc-navy);
  box-shadow: 0 0 0 3px rgba(26,43,74,0.12);
}

/* ── STATS BAR ── */
#lib-efa .lib-stats {
  background: var(--bnc-navy);
  padding: 1rem 1.5rem;
}

#lib-efa .lib-stats-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

@media (max-width: 600px) {
  #lib-efa .lib-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

#lib-efa .lib-stat-item {
  text-align: center;
  padding: 0.5rem 1rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}

#lib-efa .lib-stat-item:last-child { border-right: none; }

#lib-efa .lib-stat-number {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bnc-gold);
}

#lib-efa .lib-stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #c8c8c8;
  margin-top: 0.2rem;
}

/* ── MAIN ── */
#lib-efa .lib-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* ── TABS ── */
#lib-efa .lib-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--bnc-navy);
  margin-bottom: 2rem;
}

#lib-efa .lib-tab-btn {
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.65rem 1.4rem;
  border: 1px solid #d4cfc5;
  border-bottom: none;
  background: #ffffff;
  color: var(--bnc-gray);
  cursor: pointer;
  transition: all 0.2s;
}

#lib-efa .lib-tab-btn.active {
  background: var(--bnc-navy);
  color: var(--bnc-gold);
  border-color: var(--bnc-navy);
}

#lib-efa .lib-tab-btn:hover:not(.active) {
  background: var(--bnc-parchment);
  color: var(--bnc-navy);
}

#lib-efa .lib-tab-panel { display: none; }
#lib-efa .lib-tab-panel.active { display: block; }

/* ── SECTION HEADER ── */
#lib-efa .lib-section-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

#lib-efa .lib-section-divider::before,
#lib-efa .lib-section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bnc-gold), transparent);
}

#lib-efa .lib-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bnc-navy);
  text-align: center;
  white-space: nowrap;
  padding: 0 1rem;
}

#lib-efa .lib-ornament { color: var(--bnc-gold); opacity: 0.6; }

/* ── BOOKS GRID ── */
#lib-efa .lib-books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}

#lib-efa .lib-books-grid.lib-grid-2col {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  max-width: 900px;
  margin: 0 auto;
}

/* ── BOOK CARD ── */
#lib-efa .lib-book-card {
  background: #ffffff;
  border: 1px solid #d9d3c7;
  border-top: 4px solid var(--bnc-navy);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}

#lib-efa .lib-book-card:hover {
  box-shadow: 0 8px 32px rgba(26,43,74,0.18);
  transform: translateY(-3px);
}

#lib-efa .lib-book-cover {
  width: 100%;
  height: 520px;
  background: linear-gradient(160deg, #1A2B4A 0%, #2d4a7a 50%, #1a2b4a 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-bottom: 3px solid var(--bnc-parchment);
  position: relative;
  overflow: hidden;
  padding: 0;
}

#lib-efa .lib-book-spine {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 12px;
  background: linear-gradient(180deg, var(--bnc-gold), var(--bnc-brown));
}

#lib-efa .lib-book-icon {
  font-size: 2.2rem;
  color: #ffffff;
  opacity: 0.8;
  margin-bottom: 0.75rem;
  z-index: 2;
}

#lib-efa .lib-book-cover-title {
  color: #ffffff;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0 1.5rem;
  z-index: 2;
  line-height: 1.3;
}

#lib-efa .lib-book-cover-meta {
  font-size: 0.75rem;
  margin-top: 0.4rem;
  color: var(--bnc-gold);
  z-index: 2;
}

#lib-efa .lib-book-cover-author {
  font-size: 0.75rem;
  margin-top: 0.2rem;
  color: #d4d4d4;
  z-index: 2;
}

#lib-efa .lib-book-body { padding: 1.25rem; }

#lib-efa .lib-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  background: var(--bnc-navy);
  color: var(--bnc-gold);
}

#lib-efa .lib-badge-red { background: var(--bnc-red); color: #ffffff; }
#lib-efa .lib-badge-brown { background: var(--bnc-brown); color: #ffffff; }

#lib-efa .lib-book-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bnc-navy);
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
  line-height: 1.35;
}

#lib-efa .lib-book-author {
  font-size: 0.85rem;
  color: var(--bnc-brown);
  margin-bottom: 0.25rem;
}

#lib-efa .lib-book-source {
  font-size: 0.72rem;
  color: #888;
  margin-bottom: 0.75rem;
}

#lib-efa .lib-book-desc {
  font-size: 0.85rem;
  color: #5a5a5a;
  line-height: 1.6;
  margin-bottom: 1rem;
}

#lib-efa .lib-book-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--bnc-lightgray);
}

#lib-efa .lib-access-note {
  font-size: 0.72rem;
  color: #999;
}

/* ── BUTTON ── */
#lib-efa .lib-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bnc-navy);
  color: var(--bnc-gold);
  border: 1px solid var(--bnc-gold);
  border-radius: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

#lib-efa .lib-btn:hover { background: var(--bnc-gold); color: var(--bnc-navy); }

#lib-efa .lib-btn-red { background: var(--bnc-red); color: #ffffff; border-color: var(--bnc-red); }
#lib-efa .lib-btn-red:hover { background: #6e1414; color: #ffffff; }

#lib-efa .lib-btn-outline {
  background: transparent;
  color: var(--bnc-navy);
  border-color: var(--bnc-navy);
}

/* ── INFO CARD (context) ── */
#lib-efa .lib-info-card {
  background: #ffffff;
  border: 1px solid #e3ddd2;
  border-left: 4px solid var(--bnc-gold);
  border-radius: 2px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#lib-efa .lib-info-icon { font-size: 1.8rem; color: var(--bnc-gold); margin-bottom: 1rem; }

#lib-efa .lib-info-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--bnc-navy);
  margin-bottom: 0.75rem;
}

#lib-efa .lib-info-text {
  font-size: 0.85rem;
  color: #5a5a5a;
  line-height: 1.6;
  margin-bottom: 1rem;
}

#lib-efa .lib-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

#lib-efa .lib-tag {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  background: #f0eee9;
  color: #6a6a6a;
}

/* ── REPORT CARD ── */
#lib-efa .lib-reports-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  max-width: 900px;
  margin: 0 auto;
}

#lib-efa .lib-report-card {
  background: #ffffff;
  border-left: 4px solid var(--bnc-red);
  border-radius: 2px;
  padding: 1.2rem 1.4rem;
  border-bottom: 1px solid #e4ddd4;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: box-shadow 0.2s;
}

#lib-efa .lib-report-card:hover { box-shadow: 0 4px 16px rgba(139,26,26,0.12); }

#lib-efa .lib-report-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 2px;
  background: var(--bnc-red);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

#lib-efa .lib-report-icon.navy { background: var(--bnc-navy); }

#lib-efa .lib-report-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--bnc-navy);
  margin: 0.4rem 0 0.2rem;
}

#lib-efa .lib-report-source {
  font-size: 0.72rem;
  color: #999;
  margin-bottom: 0.6rem;
}

#lib-efa .lib-report-desc {
  font-size: 0.85rem;
  color: #5a5a5a;
  line-height: 1.6;
  margin-bottom: 0.9rem;
}

/* ── SOBRE EL AUTOR ── */
#lib-efa .lib-author-card {
  background: #ffffff;
  border: 1px solid #e3ddd2;
  border-top: 4px solid var(--bnc-gold);
  border-radius: 2px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 2fr;
}

@media (max-width: 700px) {
  #lib-efa .lib-author-card { grid-template-columns: 1fr; }
}

#lib-efa .lib-author-photo {
  background: var(--bnc-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

#lib-efa .lib-author-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--bnc-gold);
  border: 4px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--bnc-navy);
  margin: 0 auto 1rem;
}

#lib-efa .lib-author-rank { color: #ffffff; font-size: 1rem; font-weight: 700; }
#lib-efa .lib-author-name { color: var(--bnc-gold); font-size: 1.3rem; font-weight: 700; margin: 0.2rem 0; }
#lib-efa .lib-author-roles { color: #c8c8c8; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }

#lib-efa .lib-author-content { padding: 2rem; }

#lib-efa .lib-author-quote {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--bnc-navy);
  border-left: 3px solid var(--bnc-gold);
  padding-left: 1rem;
  margin-bottom: 1rem;
}

#lib-efa .lib-author-bio {
  font-size: 0.88rem;
  color: #5a5a5a;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

#lib-efa .lib-author-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ── NO RESULTS ── */
#lib-efa .lib-no-results {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}

#lib-efa .lib-no-results.show { display: block; }

#lib-efa .lib-no-results-icon { font-size: 2.5rem; color: var(--bnc-gold); opacity: 0.5; margin-bottom: 1rem; }
#lib-efa .lib-no-results-title { font-size: 1.3rem; color: var(--bnc-navy); }
#lib-efa .lib-no-results-sub { font-size: 0.85rem; color: #888; margin-top: 0.5rem; }

#lib-efa .lib-book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}