/* =============================================
   SIDE Declassified Documents Explorer
   Official Argentine Government Style (Poncho)
   ============================================= */

/* --- Overrides & Extensions on top of Poncho/Bootstrap --- */

:root {
  --azul: #232D4F;
  --azul-light: #2E3B5E;
  --celeste: #75AADB;
  --rojo: #C62828;
  --rojo-dark: #8b1a1a;
  --verde: #2E7D33;
  --naranja: #EF6C00;
  --amarillo: #FCBF49;
  --gris-oscuro: #333;
  --gris-medio: #666;
  --gris-claro: #999;
  --gris-niebla: #f0f0f0;
  --border: #ddd;
  --border-light: #eee;
  --bg-paper: #faf8f5;
  --brown: #5B3A29;
  --brown-light: #8B6914;
}

body {
  font-family: 'Encode Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gris-oscuro);
  background: #fff;
}

a { color: var(--azul); }
a:hover { color: var(--azul-light); text-decoration: underline; }

/* --- Government Header Bar --- */
.header-bar {
  background: var(--azul);
  color: #fff;
  font-size: 13px;
  padding: 6px 0;
}

.header-bar a {
  color: rgba(255,255,255,0.8);
  font-size: 12px;
}

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

.header-bar .pull-right {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

/* --- Site Header / Navbar --- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand-custom {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--gris-oscuro) !important;
  padding: 10px 0;
  letter-spacing: 0.01em;
}

.navbar-brand-custom:hover {
  text-decoration: none !important;
}

.navbar-brand-custom img {
  height: 38px;
  width: auto;
}

.navbar-brand-custom span {
  font-weight: 800;
  font-size: 17px;
  color: var(--rojo-dark);
  letter-spacing: 0.04em;
}

.navbar-brand-custom .brand-separator {
  width: 1px;
  height: 22px;
  background: var(--border);
  display: inline-block;
  margin: 0 2px;
}

.navbar-nav > li > a {
  color: var(--gris-medio) !important;
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding-top: 18px !important;
  padding-bottom: 18px !important;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
  transition: all 0.2s;
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
  color: var(--azul) !important;
  border-bottom-color: var(--azul);
  background: transparent !important;
}

/* --- Hero Section --- */
.hero {
  background:
    radial-gradient(ellipse at 20% 80%, rgba(117,170,219,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139,26,26,0.1) 0%, transparent 50%),
    linear-gradient(160deg, #1a2240 0%, var(--azul) 40%, #2a1a1a 100%);
  color: #fff;
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(255,255,255,0.02) 39px,
      rgba(255,255,255,0.02) 40px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      rgba(255,255,255,0.02) 39px,
      rgba(255,255,255,0.02) 40px
    );
  pointer-events: none;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-logo {
  display: block;
  margin: 0 auto 28px;
  position: relative;
}

.hero-logo img {
  height: 130px;
  width: auto;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.4));
}

.hero-badge {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--amarillo);
  border: 1px solid rgba(252,191,73,0.35);
  padding: 5px 16px;
  margin-bottom: 20px;
  font-weight: 600;
  background: rgba(252,191,73,0.06);
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
}

.hero h1 em {
  font-style: normal;
  color: var(--celeste);
}

.hero-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 700px;
  margin: 0 auto 30px;
  line-height: 1.7;
}

.hero-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rojo-dark), transparent);
  margin: 28px auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-stat .number {
  display: block;
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.hero-stat .label {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* --- Buttons --- */
.btn-primary {
  background: var(--celeste);
  border-color: var(--celeste);
  color: var(--azul);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 14px;
  padding: 10px 30px;
}

.btn-primary:hover, .btn-primary:focus {
  background: #5999cc;
  border-color: #5999cc;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--azul);
  color: var(--azul);
  font-weight: 600;
  padding: 8px 24px;
}

.btn-outline:hover {
  background: var(--azul);
  color: #fff;
}

/* --- Classification Badges --- */
.badge-classification {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border: 1px solid;
  font-family: 'Courier New', monospace;
  vertical-align: middle;
}

.badge-s {
  color: var(--rojo);
  border-color: var(--rojo);
  background: rgba(198, 40, 40, 0.08);
}

.badge-esc {
  color: #8b0000;
  border-color: #8b0000;
  background: rgba(139, 0, 0, 0.1);
}

/* --- Carpeta Badges --- */
.badge-carpeta {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  border-radius: 0;
  letter-spacing: 0.08em;
  vertical-align: middle;
  border: 1px solid;
  font-family: 'Courier New', monospace;
  text-transform: uppercase;
}

.badge-carpeta-1 { color: #fff; border-color: var(--brown); background: var(--brown); }
.badge-carpeta-2 { color: #fff; border-color: var(--verde); background: var(--verde); }
.badge-carpeta-3 { color: #fff; border-color: var(--rojo); background: var(--rojo); }

/* --- Section Titles --- */
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--azul);
  margin-bottom: 8px;
}

.section-subtitle {
  color: var(--gris-claro);
  font-size: 15px;
  margin-bottom: 25px;
}

/* --- Carpeta Cards --- */
.carpeta-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
  position: relative;
  transition: all 0.2s;
  color: var(--gris-oscuro);
  text-decoration: none;
  border-left: 5px solid transparent;
}

.carpeta-card:hover {
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  text-decoration: none;
  color: var(--gris-oscuro);
  transform: translateY(-1px);
}

.carpeta-card[data-carpeta="1"] { border-left-color: var(--brown); }
.carpeta-card[data-carpeta="2"] { border-left-color: var(--verde); }
.carpeta-card[data-carpeta="3"] { border-left-color: var(--rojo); }

.carpeta-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--azul);
  margin: 0 0 6px;
}

.carpeta-card .doc-count {
  font-size: 13px;
  color: var(--gris-claro);
  margin-bottom: 10px;
}

.carpeta-card p {
  font-size: 14px;
  color: var(--gris-medio);
  line-height: 1.6;
  margin: 0;
}

/* --- Mini Timeline Chart --- */
.mini-timeline { padding: 40px 0; }

.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  padding: 0 8px;
}

.bar-chart-labels {
  display: flex;
  gap: 6px;
  padding: 8px 8px 0;
}

.bar-chart-labels span {
  flex: 1;
  text-align: center;
  font-size: 11px;
  color: var(--gris-claro);
  font-weight: 600;
}

.chart-legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 15px;
  font-size: 12px;
  color: var(--gris-medio);
  flex-wrap: wrap;
}

.chart-legend .swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 4px;
  vertical-align: middle;
}

/* --- Document Catalog (documents.html) --- */
.documents-layout {
  display: flex;
  gap: 30px;
}

.filter-sidebar {
  width: 220px;
  flex-shrink: 0;
}

.filter-sidebar .panel {
  margin-bottom: 15px;
}

.filter-sidebar .panel-heading {
  background: var(--gris-niebla);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 15px;
  color: var(--gris-medio);
}

.filter-sidebar label {
  display: block;
  font-size: 13px;
  font-weight: 400;
  padding: 3px 0;
  cursor: pointer;
}

.filter-sidebar input[type="checkbox"] {
  margin-right: 6px;
}

.search-box {
  width: 100%;
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-size: 14px;
  border-radius: 0;
}

.search-box:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 2px rgba(35, 45, 79, 0.15);
}

.documents-main { flex: 1; min-width: 0; }

.sort-bar {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--gris-medio);
}

.sort-bar select {
  border: 1px solid var(--border);
  padding: 5px 10px;
  font-size: 13px;
}

.doc-count-label {
  margin-left: auto;
  font-weight: 600;
}

/* --- Document Cards --- */
.documents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 15px;
}

.doc-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  padding: 20px;
  transition: all 0.2s;
  color: var(--gris-oscuro);
  text-decoration: none;
}

.doc-card:hover {
  border-color: var(--azul);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  text-decoration: none;
  color: var(--gris-oscuro);
}

.doc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}

.doc-card-badges { display: flex; gap: 5px; flex-shrink: 0; }

.doc-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--azul);
  margin: 0 0 4px;
  line-height: 1.3;
}

.doc-card .doc-date {
  font-size: 12px;
  color: var(--gris-claro);
  font-family: 'Courier New', monospace;
  margin-bottom: 8px;
}

.doc-card p {
  font-size: 13px;
  color: var(--gris-medio);
  line-height: 1.5;
  flex: 1;
}

.doc-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--gris-claro);
}

/* --- Document Viewer --- */
.viewer-layout {
  display: flex;
  gap: 25px;
}

.viewer-main { flex: 1; min-width: 0; }

.viewer-image-container {
  background: var(--gris-niebla);
  border: 1px solid var(--border);
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.viewer-image-container img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.doc-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--azul);
  background: rgba(35,45,79,0.07);
  border: 1px solid rgba(35,45,79,0.12);
  padding: 3px 10px;
  margin: 3px 4px 3px 0;
  border-radius: 3px;
  letter-spacing: 0.01em;
}

.viewer-placeholder {
  text-align: center;
  color: var(--gris-claro);
  padding: 40px;
}

.viewer-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 0;
}

.viewer-controls .btn { padding: 6px 16px; font-size: 13px; }

.page-indicator {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--gris-medio);
  min-width: 80px;
  text-align: center;
  font-weight: 600;
}

.zoom-controls {
  display: flex;
  gap: 5px;
  margin-left: 15px;
  padding-left: 15px;
  border-left: 1px solid var(--border);
}

.viewer-sidebar {
  width: 340px;
  flex-shrink: 0;
}

.viewer-meta {
  margin-bottom: 15px;
}

.viewer-meta h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--azul);
  line-height: 1.3;
  margin: 10px 0 15px;
}

.meta-table { width: 100%; }

.meta-table td {
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.meta-table .meta-label {
  color: var(--gris-claro);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  width: 90px;
}

.meta-table .meta-value {
  color: var(--gris-oscuro);
}

.viewer-nav-links {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

.viewer-nav-links a {
  flex: 1;
  display: block;
  border: 1px solid var(--border);
  padding: 10px;
  font-size: 12px;
  text-align: center;
  transition: all 0.2s;
  color: var(--gris-medio);
}

.viewer-nav-links a:hover {
  border-color: var(--azul);
  color: var(--azul);
  text-decoration: none;
}

.viewer-nav-links .nav-label {
  display: block;
  font-size: 10px;
  color: var(--gris-claro);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 3px;
}

/* --- Timeline --- */
.timeline-page { max-width: 800px; margin: 0 auto; }

.timeline-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.timeline-controls .btn {
  font-size: 13px;
  padding: 6px 14px;
}

.timeline-controls .btn.active {
  background: var(--azul);
  border-color: var(--azul);
  color: #fff;
}

.timeline-vertical {
  position: relative;
  padding-left: 30px;
}

.timeline-vertical::before {
  content: '';
  position: absolute;
  top: 0;
  left: 9px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-year-header {
  position: relative;
  font-size: 26px;
  font-weight: 800;
  color: var(--azul);
  margin: 30px 0 15px -30px;
  padding-left: 30px;
}

.timeline-year-header::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--azul);
  border-radius: 50%;
}

.timeline-entry {
  position: relative;
  margin-bottom: 15px;
  padding: 15px 20px;
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: -24.5px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid;
  background: #fff;
}

.timeline-entry[data-type="document"]::before { border-color: var(--azul); }
.timeline-entry[data-type="historical"]::before { border-color: var(--rojo); background: var(--rojo); }

.timeline-entry[data-type="document"] {
  padding-right: 40px;
}

.timeline-entry[data-type="document"]::after {
  content: '\f054';
  font-family: FontAwesome;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--border);
  font-size: 14px;
  transition: all 0.2s;
}

.timeline-entry[data-type="document"]:hover {
  border-color: var(--azul);
  cursor: pointer;
}

.timeline-entry[data-type="document"]:hover::after {
  color: var(--azul);
  right: 12px;
}

.timeline-entry .entry-date {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--gris-claro);
}

.timeline-entry h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 3px 0 5px;
  color: var(--azul);
}

.timeline-entry p {
  font-size: 13px;
  color: var(--gris-medio);
  line-height: 1.5;
  margin: 0;
}

.timeline-entry.historical {
  border-left: 4px solid var(--rojo);
  background: #fef5f5;
}

.timeline-entry.historical h3 {
  color: var(--rojo);
}

/* --- About Page --- */
.about-content { max-width: 800px; }

.about-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--azul);
  margin: 35px 0 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-light);
}

.about-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 20px 0 10px;
}

.about-content p {
  margin-bottom: 15px;
  line-height: 1.8;
  color: var(--gris-medio);
}

.about-content ul, .about-content ol {
  margin-bottom: 15px;
  padding-left: 20px;
}

.about-content li {
  margin-bottom: 6px;
  color: var(--gris-medio);
  line-height: 1.6;
}

.about-content strong { color: var(--gris-oscuro); }

.glossary-table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0 25px;
}

.glossary-table th,
.glossary-table td {
  text-align: left;
  padding: 10px 15px;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}

.glossary-table th {
  background: var(--gris-niebla);
  color: var(--gris-medio);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.glossary-table td:first-child {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--azul);
  white-space: nowrap;
}

/* --- Footer --- */
.site-footer {
  background: var(--azul);
  color: rgba(255,255,255,0.7);
  padding: 30px 0;
  margin-top: 60px;
  font-size: 13px;
  text-align: center;
  line-height: 1.8;
}

.site-footer a {
  color: var(--celeste);
}

.footer-disclaimer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

.footer-disclaimer a {
  color: rgba(255,255,255,0.55);
  text-decoration: underline;
}

.footer-disclaimer a:hover {
  color: #fff;
}

/* --- Disclaimer Modal --- */
.disclaimer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.disclaimer-modal {
  background: #fff;
  max-width: 540px;
  width: 100%;
  padding: 35px 30px 30px;
  position: relative;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

.disclaimer-modal .disclaimer-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(198,40,40,0.08);
  border: 1px solid rgba(198,40,40,0.15);
  margin: 0 auto 20px;
}

.disclaimer-modal .disclaimer-icon .fa {
  font-size: 22px;
  color: var(--rojo);
}

.disclaimer-modal h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--azul);
  margin: 0 0 12px;
}

.disclaimer-modal p {
  font-size: 14px;
  color: var(--gris-medio);
  line-height: 1.7;
  margin-bottom: 12px;
}

.disclaimer-modal .disclaimer-highlight {
  background: var(--gris-niebla);
  border-left: 3px solid var(--azul);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--gris-oscuro);
  line-height: 1.6;
  margin: 16px 0 20px;
}

.disclaimer-modal .disclaimer-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.disclaimer-modal .disclaimer-actions .btn {
  flex: 1;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.disclaimer-modal .btn-decline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gris-medio);
}

.disclaimer-modal .btn-decline:hover {
  background: var(--gris-niebla);
  color: var(--gris-oscuro);
}

@media (max-width: 480px) {
  .disclaimer-modal { padding: 25px 20px 20px; }
  .disclaimer-modal .disclaimer-actions { flex-direction: column-reverse; }
}

/* --- Loading / Empty --- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--gris-claro);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--azul);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 10px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--gris-claro);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .documents-layout { flex-direction: column; }
  .filter-sidebar { width: 100%; }
  .viewer-layout { flex-direction: column; }
  .viewer-sidebar { width: 100%; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 26px; }
  .hero-stats { gap: 20px; }
  .hero-stat .number { font-size: 32px; }
  .documents-grid { grid-template-columns: 1fr; }
  .viewer-controls { flex-wrap: wrap; }
  .zoom-controls {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    width: 100%;
    justify-content: center;
    margin-top: 5px;
  }
}