/* Timeline custom — APER Bolivia 2026
 * Componente nativo sin dependencias externas
 * Paleta: navy (#14213D) + terracota (#C2410C) + paper (#FAFAF9)
 */

.tl-app {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1A1A1A;
  background: #FAFAF9;
  border: 1px solid #E5E5E5;
  width: 100%;
  max-width: 1400px;
  margin: 1.5rem auto 2rem;
  display: flex;
  flex-direction: column;
  --navy: #14213D;
  --navy-soft: #1F3057;
  --accent: #C2410C;
  --accent-soft: #FED7AA;
  --paper: #FAFAF9;
  --rule: #E5E5E5;
  --ink: #1A1A1A;
  --ink-soft: #4A4A4A;
  --muted: #6B7280;
}

/* ── Filtros ─────────────────────────────────────────────────────────────── */
.tl-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--rule);
  background: white;
}

.tl-filter-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 600;
  margin-right: 0.4rem;
}

.tl-filter {
  font-family: inherit;
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: all 0.12s ease;
  letter-spacing: 0;
}

.tl-filter:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.tl-filter.active {
  background: var(--navy);
  color: white;
  border-color: var(--navy);
}

.tl-filter .tl-count {
  font-size: 0.68rem;
  margin-left: 0.3rem;
  opacity: 0.7;
  font-family: 'JetBrains Mono', monospace;
}

.tl-search {
  margin-left: auto;
  font-family: inherit;
  font-size: 0.82rem;
  color: var(--ink);
  background: white;
  border: 1px solid var(--rule);
  padding: 0.35rem 0.7rem;
  width: 200px;
  transition: border-color 0.12s ease;
}

.tl-search:focus {
  outline: none;
  border-color: var(--navy);
}

/* ── Panel detalle ──────────────────────────────────────────────────────── */
.tl-detail {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 1.5rem 1.2rem;
  min-height: 280px;
  background: white;
  border-bottom: 1px solid var(--rule);
}

@media (max-width: 720px) {
  .tl-detail {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
  }
}

.tl-detail-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #F0F0F0;
  border: 1px solid var(--rule);
}

.tl-detail-image-placeholder {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--rule) 0%, white 100%);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tl-detail-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.tl-detail-date {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.tl-detail-group {
  color: var(--muted);
  padding: 0.15rem 0.5rem;
  background: var(--rule);
  border-radius: 2px;
  font-size: 0.66rem;
}

.tl-detail-headline {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.7rem;
}

.tl-detail-text {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.tl-detail-text p {
  margin: 0 0 0.6rem;
}

.tl-detail-text strong {
  color: var(--ink);
  font-weight: 600;
}

.tl-detail-credit {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.35rem;
  font-style: italic;
}

.tl-detail-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 2.5rem;
  font-size: 0.95rem;
}

/* ── Navegación timeline ────────────────────────────────────────────────── */
.tl-nav {
  background: var(--paper);
  padding: 0;
  position: relative;
}

.tl-nav-track {
  position: relative;
  height: 110px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}

.tl-nav-track::-webkit-scrollbar {
  height: 6px;
}

.tl-nav-track::-webkit-scrollbar-track {
  background: transparent;
}

.tl-nav-track::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 3px;
}

.tl-nav-track::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

.tl-nav-inner {
  position: relative;
  height: 100%;
  min-width: 100%;
}

/* Línea horizontal */
.tl-nav-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--rule);
  transform: translateY(-50%);
}

/* Marcadores de año */
.tl-year-mark {
  position: absolute;
  top: 50%;
  width: 1px;
  height: 8px;
  background: var(--rule);
  transform: translate(-50%, -50%);
}

.tl-year-mark.major {
  height: 14px;
  background: var(--muted);
}

.tl-year-label {
  position: absolute;
  bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  transform: translateX(-50%);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

/* Bandas de gobierno */
.tl-era-band {
  position: absolute;
  top: 0;
  height: 100%;
  border-left: 1px dashed rgba(20, 33, 61, 0.18);
}

.tl-era-band.first {
  border-left: none;
}

.tl-era-label {
  position: absolute;
  top: 6px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
  padding: 0.1rem 0.5rem 0.1rem 0;
  white-space: nowrap;
}

/* Dots de hitos */
.tl-dot {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 1px var(--rule);
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: all 0.15s ease;
  z-index: 2;
}

.tl-dot:hover {
  transform: translate(-50%, -50%) scale(1.5);
  box-shadow: 0 0 0 2px var(--ink), 0 2px 8px rgba(0,0,0,0.15);
  z-index: 4;
}

.tl-dot.active {
  width: 16px;
  height: 16px;
  background: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent), 0 0 0 6px rgba(194, 65, 12, 0.18);
  z-index: 5;
}

.tl-dot.hidden {
  opacity: 0.18;
  pointer-events: none;
}

/* Color por grupo */
.tl-dot[data-group="Leyes"] { background: #14213D; }
.tl-dot[data-group="Institucional"] { background: #1F3057; }
.tl-dot[data-group="Programas"] { background: #5B6F94; }
.tl-dot[data-group="Eventos"] { background: #C2410C; }
.tl-dot[data-group="Externo"] { background: #9A6E50; }
.tl-dot[data-group="Otros"] { background: #9CA3AF; }

/* Tooltip al hover */
.tl-tooltip {
  position: absolute;
  bottom: calc(50% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: white;
  padding: 0.4rem 0.6rem;
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease;
  max-width: 280px;
  white-space: normal;
  text-align: center;
  line-height: 1.3;
  letter-spacing: -0.005em;
  z-index: 10;
}

.tl-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--navy);
}

.tl-dot:hover .tl-tooltip {
  opacity: 1;
}

/* Indicador de progreso */
.tl-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.2rem;
  background: white;
  border-top: 1px solid var(--rule);
  font-size: 0.78rem;
}

.tl-progress-counter {
  font-family: 'JetBrains Mono', monospace;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.tl-nav-buttons {
  display: flex;
  gap: 0.4rem;
}

.tl-nav-btn {
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--ink-soft);
  background: white;
  border: 1px solid var(--rule);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: all 0.12s ease;
  font-weight: 500;
  letter-spacing: 0;
}

.tl-nav-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.tl-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Estado de carga */
.tl-loading {
  padding: 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}