:root {
  --paleo-bg: #090d16;
  --paleo-surface: #111827;
  --paleo-card: rgba(17, 24, 39, 0.85);
  --paleo-border: rgba(255, 255, 255, 0.1);
  --paleo-accent: #38bdf8;
  --paleo-accent-glow: rgba(56, 189, 248, 0.35);
  --paleo-text: #f3f4f6;
  --paleo-muted: #9ca3af;
  --paleo-warning: #f59e0b;
  --paleo-success: #10b981;
}

[data-theme="light"] {
  --paleo-bg: #f0f4f8;
  --paleo-surface: #ffffff;
  --paleo-card: rgba(255, 255, 255, 0.9);
  --paleo-border: rgba(0, 0, 0, 0.1);
  --paleo-accent: #0284c7;
  --paleo-accent-glow: rgba(2, 132, 199, 0.25);
  --paleo-text: #1e293b;
  --paleo-muted: #64748b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--paleo-bg);
  color: var(--paleo-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Header customization */
.brand-logo-box {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Layout Principal */
.paleo-app-layout {
  flex: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem;
}

.paleo-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.25rem;
  min-height: calc(100vh - 180px);
}

@media (max-width: 1024px) {
  .paleo-grid {
    grid-template-columns: 1fr;
  }
}

/* Visor 3D */
.paleo-viewport-container {
  position: relative;
  background: #030712;
  border-radius: 16px;
  border: 1px solid var(--paleo-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  min-height: 520px;
}

#webgl-canvas-container {
  width: 100%;
  height: 100%;
  min-height: 480px;
  flex: 1;
  cursor: grab;
}

#webgl-canvas-container:active {
  cursor: grabbing;
}

/* Superposiciones del visor */
.viewport-overlay-top {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
  pointer-events: none;
}

.viewport-overlay-top > * {
  pointer-events: auto;
}

.search-box-wrap {
  position: relative;
  width: 100%;
  max-width: 340px;
}

.search-input {
  width: 100%;
  background: var(--paleo-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--paleo-border);
  border-radius: 9999px;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  color: var(--paleo-text);
  font-size: 0.875rem;
  outline: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

.search-input:focus {
  border-color: var(--paleo-accent);
  box-shadow: 0 0 0 3px var(--paleo-accent-glow);
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--paleo-muted);
  pointer-events: none;
}

.search-results-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--paleo-surface);
  border: 1px solid var(--paleo-border);
  border-radius: 12px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 20;
  display: none;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

.search-result-item {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  border-bottom: 1px solid var(--paleo-border);
  transition: background 0.15s;
}

.search-result-item:hover {
  background: rgba(56, 189, 248, 0.15);
  color: var(--paleo-accent);
}

.viewport-tools-group {
  display: flex;
  gap: 0.5rem;
}

.btn-tool {
  background: var(--paleo-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--paleo-border);
  color: var(--paleo-text);
  padding: 0.5rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

.btn-tool:hover {
  background: var(--paleo-accent);
  color: #fff;
  border-color: var(--paleo-accent);
}

/* Indicador de posición y era sobre el visor */
.era-badge-floating {
  position: absolute;
  top: 4.5rem;
  left: 1rem;
  background: var(--paleo-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--paleo-border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  z-index: 10;
  pointer-events: none;
}

.era-badge-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--paleo-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.era-badge-sub {
  font-size: 0.8rem;
  color: var(--paleo-muted);
  margin-top: 0.15rem;
}

/* Barra inferior del visor: Controles de tiempo */
.viewport-timeline-control {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: var(--paleo-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--paleo-border);
  border-radius: 14px;
  padding: 0.85rem 1.25rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

.timeline-slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.timeline-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  outline: none;
  cursor: pointer;
}

.timeline-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--paleo-accent);
  cursor: pointer;
  box-shadow: 0 0 10px var(--paleo-accent);
  transition: transform 0.1s;
}

.timeline-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.timeline-btn-play {
  background: var(--paleo-accent);
  color: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s;
  flex-shrink: 0;
}

.timeline-btn-play:hover {
  transform: scale(1.08);
}

.timeline-markers {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--paleo-muted);
  user-select: none;
}

/* Panel Lateral de Información Geológica y Fósiles */
.paleo-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-card {
  background: var(--paleo-surface);
  border: 1px solid var(--paleo-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.info-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.info-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--paleo-accent);
}

/* Métricas Planetarias */
.planet-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.metric-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--paleo-border);
  border-radius: 10px;
  padding: 0.75rem;
}

.metric-label {
  font-size: 0.72rem;
  color: var(--paleo-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metric-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--paleo-text);
  margin-top: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
}

.metric-desc {
  font-size: 0.72rem;
  color: var(--paleo-muted);
  margin-top: 0.2rem;
}

/* Diagnóstico de Ubicación Local */
.location-status-card {
  border-left: 4px solid var(--paleo-accent);
}

.paleo-location-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.paleo-coords-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--paleo-muted);
  display: inline-block;
  margin-bottom: 0.6rem;
}

.paleo-environment-desc {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--paleo-text);
}

/* Lista de Fósiles */
.fossils-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 240px;
  overflow-y: auto;
  margin-top: 0.5rem;
}

.fossil-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--paleo-border);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  transition: transform 0.15s, border-color 0.15s;
}

.fossil-item:hover {
  transform: translateX(4px);
  border-color: var(--paleo-accent);
}

.fossil-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--paleo-text);
  font-style: italic;
}

.fossil-meta {
  font-size: 0.72rem;
  color: var(--paleo-muted);
  margin-top: 0.15rem;
}

/* Modales */
.paleo-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.paleo-modal.active {
  display: flex;
}

.paleo-modal-content {
  background: var(--paleo-surface);
  border: 1px solid var(--paleo-border);
  border-radius: 18px;
  max-width: 540px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--paleo-muted);
  cursor: pointer;
  padding: 0.25rem;
}

.modal-close-btn:hover {
  color: var(--paleo-text);
}

/* Canvas para compartir */
#share-card-canvas {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--paleo-border);
  margin: 1rem 0;
}

.btn-primary-action {
  width: 100%;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: opacity 0.2s;
}

.btn-primary-action:hover {
  opacity: 0.92;
}