/* ============================================================
   ZONA TIMELINE — V11 · DARK ELEGANTE
   Elemento 6 (CENAS ATIVAS): feed vertical com ponto pulsante
   e item ativo em ciano. (extraído de index.html:1207-1471)
   ============================================================ */

.zone-timeline {
  --dark-primary: #0a1628;
  --dark-secondary: #1a2a40;
  --dark-secondary-rgb: 26, 42, 64;
  --cyan: #26b8d4;
  --cyan-rgb: 38, 184, 212;
  --white-pure: #ffffff;
  --white-pure-rgb: 255, 255, 255;
  --white-90: #f5f5f5;
  --white-90-rgb: 245, 245, 245;
  --border-subtle: rgba(var(--white-pure-rgb), 0.08);
  --border-accent: rgba(var(--cyan-rgb), 0.2);
  --status-active: #4ade80;
  --status-warning: #facc15;
  --status-critical: #ef4444;

  font-family: 'Lora', serif;
  background: linear-gradient(135deg, var(--dark-primary) 0%, var(--dark-secondary) 100%);
  color: var(--white-90);
  line-height: 1.6;
  padding-block: clamp(1.25rem, 3vh, 2.25rem);
}

.zone-timeline .container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem;
}

/* Timeline Feed (Lateral) */
.zone-timeline .timeline-feed {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  background: rgba(var(--dark-secondary-rgb), 0.4);
  backdrop-filter: blur(10px);
}

.zone-timeline .timeline-label {
  font-family: 'Archivo', sans-serif;
  font-size: 0.75rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  display: block;
}

.zone-timeline .timeline-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

/* A linha ativa é um marcador só, que desliza de um item para o outro */
.zone-timeline .timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--cyan);
  border-radius: 2px;
  pointer-events: none;
  transition:
    transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* É um <button> (acessibilidade): zerar o visual de botão do navegador */
.zone-timeline .timeline-item {
  display: block;
  width: 100%;
  padding: 1rem;
  border: 0;
  border-left: 2px solid var(--border-subtle);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.3s ease;
  border-radius: 2px;
  position: relative;
}

.zone-timeline .timeline-item.active {
  opacity: 1;
  background: rgba(var(--cyan-rgb), 0.05);
  padding-left: 1.5rem;
}

.zone-timeline .timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-subtle);
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease,
    width 0.25s ease,
    height 0.25s ease,
    left 0.25s ease;
}

.zone-timeline .timeline-item.luz::before {
  background: var(--cyan);
  box-shadow: 0 0 12px 2px rgba(var(--cyan-rgb), 0.5);
  left: -8px;
  width: 14px;
  height: 14px;
}

.zone-timeline .timeline-item-text {
  font-size: 0.85rem;
  line-height: 1.5;
}

.zone-timeline .timeline-item-text strong {
  display: block;
  color: var(--white-pure);
  margin-bottom: 0.25rem;
  font-family: 'Archivo', sans-serif;
}

.zone-timeline .timeline-item-text small {
  color: var(--cyan);
  font-size: 0.75rem;
}

/* PAINEL DA CENA (V11 · status panel) */
.zone-timeline .cenas-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.zone-timeline .status-panel {
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  background: rgba(var(--dark-secondary-rgb), 0.4);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}

.zone-timeline .status-label {
  font-family: 'Archivo', sans-serif;
  font-size: 0.75rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  display: block;
}

.zone-timeline .cena-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.zone-timeline .cena-num {
  font-family: 'Fira Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cyan);
  border: 1px solid var(--border-accent);
  border-radius: 2px;
  padding: 0.35rem 0.6rem;
  flex: none;
}

.zone-timeline .cena-title {
  display: block;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--white-pure);
}

.zone-timeline .cena-sub {
  margin-top: 0.45rem;
  font-size: 0.85rem;
  color: rgba(var(--white-90-rgb), 0.6);
}

.zone-timeline .status-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.85rem;
}

.zone-timeline .status-item:last-child {
  border-bottom: none;
}

.zone-timeline .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  animation: statusPulse 2s ease-in-out infinite;
}

.zone-timeline .status-dot.active {
  background: var(--status-active);
}

.zone-timeline .status-dot.warning {
  background: var(--status-warning);
}

.zone-timeline .status-dot.critical {
  background: var(--status-critical);
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.zone-timeline .status-name {
  color: var(--white-90);
  font-family: 'Archivo', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

.zone-timeline .status-state {
  margin-left: auto;
  font-family: 'Fira Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--status-active);
  transition: color 0.3s ease;
}

.zone-timeline .status-item.is-critical .status-state {
  color: var(--status-critical);
}

.zone-timeline .status-item.is-warning .status-state {
  color: var(--status-warning);
}

.zone-timeline .cena-foot {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
  font-family: 'Fira Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.zone-timeline .painel-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

@keyframes painelIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.zone-timeline .painel-body.anim {
  animation: painelIn 0.45s ease both;
}

@media (max-width: 1080px) {
  .zone-timeline .cenas-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .zone-timeline .container {
    padding: 1rem;
  }
  .zone-timeline .status-panel {
    padding: 1.5rem;
  }
}