/* AI Researchers World Map Styles */
/* Color Palette: Red (#dc2626, #ef4444, #f87171) and Blue (#1e40af, #2563eb, #3b82f6) */

.researchers-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 1rem;
  position: relative;
}

/* Layer Controls */
.layer-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.layer-btn {
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #f0f9ff 0%, #fee2e2 100%);
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #1e293b;
}

.layer-btn:hover {
  background: linear-gradient(135deg, #dbeafe 0%, #fecaca 100%);
  border-color: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.layer-btn.active {
  background: linear-gradient(135deg, #1e40af 0%, #dc2626 100%);
  color: white;
  border-color: #1e40af;
  box-shadow: 0 6px 12px -2px rgba(30, 64, 175, 0.4);
}

/* Visualization Container */
.visualization-container {
  position: relative;
  width: 100%;
  background: linear-gradient(135deg, #eff6ff 0%, #fef2f2 100%);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(30, 64, 175, 0.15), 0 2px 4px -1px rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.world-map {
  display: block;
  width: 100%;
  height: auto;
}

.countries path {
  transition: fill 0.2s ease;
}

.countries path:hover {
  fill: #e0e7ff;
}

/* Researcher Info Panel */
.researcher-info-panel {
  position: fixed;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  width: 350px;
  max-height: 80vh;
  overflow-y: auto;
  background: white;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(30, 64, 175, 0.2), 0 10px 10px -5px rgba(220, 38, 38, 0.1);
  padding: 1.5rem;
  z-index: 100;
  animation: slideIn 0.3s ease;
  border-left: 4px solid #2563eb;
  border-top: 1px solid rgba(220, 38, 38, 0.1);
}

@keyframes slideIn {
  from {
    transform: translateY(-50%) translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
  }
}

.close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: #dc2626;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.close-btn:hover {
  background: linear-gradient(135deg, #dbeafe 0%, #fee2e2 100%);
  color: #b91c1c;
  transform: rotate(90deg);
}

.researcher-info-panel h2 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #1e40af 0%, #dc2626 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-right: 2rem;
  font-weight: 700;
}

.researcher-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.detail-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #1e40af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.5rem 0;
}

.detail-section p {
  margin: 0.25rem 0;
  color: #374151;
  line-height: 1.6;
}

.detail-section ul {
  margin: 0;
  padding-left: 1.25rem;
  color: #374151;
}

.detail-section li {
  margin: 0.25rem 0;
  line-height: 1.6;
}

/* Legend Panel */
.legend-panel {
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 1px 3px 0 rgba(30, 64, 175, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.legend-panel h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(135deg, #1e40af 0%, #dc2626 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hexagon Interactions */
.researcher-hex {
  transition: all 0.2s ease;
}

.researcher-hex:hover {
  stroke-width: 2.5;
  filter: drop-shadow(0 0 10px rgba(37, 99, 235, 0.7)) drop-shadow(0 0 5px rgba(220, 38, 38, 0.3));
}

/* Responsive Design */
@media (max-width: 1024px) {
  .researcher-info-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    transform: none;
    width: 100%;
    max-height: 60vh;
    border-radius: 12px 12px 0 0;
  }

  @keyframes slideIn {
    from {
      transform: translateY(100%);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
}

@media (max-width: 768px) {
  .researchers-container {
    padding: 0.5rem;
  }

  .layer-controls {
    gap: 0.5rem;
  }

  .layer-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .visualization-container {
    border-radius: 8px;
  }
}

/* Loading State */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  color: #6b7280;
  font-size: 1.125rem;
}

/* Tooltip (styled by JavaScript but base styles) */
.hex-tooltip {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.5;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.hex-tooltip strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}