.control-panel {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #111827;
  color: #e5e7eb;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: #1f2937;
  border-bottom: 1px solid #374151;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.panel-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #f9fafb;
  letter-spacing: -0.025em;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.connection-status.connected {
  background: #064e3b;
  color: #6ee7b7;
}

.connection-status.disconnected {
  background: #7f1d1d;
  color: #fca5a5;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.connected .status-dot {
  background: #10b981;
}

.disconnected .status-dot {
  background: #ef4444;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.panel-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  flex-direction: column;
}

.turtle-list {
  width: 100%;
  border-bottom: 1px solid #374151;
  display: flex;
  flex-direction: row;
  background: #1f2937;
  overflow-x: auto;
  padding: 0.75rem;
  gap: 0.75rem;
  flex-shrink: 0;
}

.turtle-list h2 {
  display: none;
}

.turtle-cards {
  display: flex;
  flex-direction: row;
  gap: 0.75rem;
  overflow-x: auto;
}

.turtle-cards::-webkit-scrollbar {
  height: 6px;
}

.turtle-cards::-webkit-scrollbar-track {
  background: #1f2937;
  border-radius: 3px;
}

.turtle-cards::-webkit-scrollbar-thumb {
  background: #4b5563;
  border-radius: 3px;
}

.turtle-cards::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}

.empty-state {
  padding: 3rem 2rem;
  text-align: center;
  color: #6b7280;
}

.empty-state::before {
  content: '🔍';
  display: block;
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state .hint {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #4b5563;
  font-style: italic;
}

.turtle-card {
  background: #1f2937;
  border: 2px solid #374151;
  border-radius: 0.5rem;
  padding: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  min-width: 200px;
  flex-shrink: 0;
}

.turtle-card::before {
  display: none;
}

.turtle-card:hover {
  border-color: #60a5fa;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.turtle-card:hover::before {
  display: none;
}

.turtle-card.selected {
  border-color: #60a5fa;
  background: #1e3a5f;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.turtle-card.selected::before {
  display: none;
}

.turtle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.625rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid #374151;
}

.turtle-header h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: #f9fafb;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.turtle-header h3::before {
  content: '🐢';
  font-size: 1rem;
}

.mode-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: white;
}

.turtle-stats {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.turtle-stats .stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  padding: 0.375rem;
  background: #111827;
  border-radius: 0.25rem;
  border: 1px solid #374151;
}

.turtle-stats .label {
  color: #9ca3af;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.turtle-stats .value {
  color: #f9fafb;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
}

.turtle-details {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background: #111827;
}

.turtle-details::-webkit-scrollbar {
  width: 8px;
}

.turtle-details::-webkit-scrollbar-track {
  background: #1f2937;
  border-radius: 4px;
}

.turtle-details::-webkit-scrollbar-thumb {
  background: #4b5563;
  border-radius: 4px;
}

.turtle-details::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}

.turtle-details.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #9ca3af;
  font-size: 1rem;
  gap: 0.75rem;
}

.turtle-details.empty::before {
  content: '☝️';
  font-size: 3rem;
  opacity: 0.5;
  animation: bounce-up 2s infinite;
}

@keyframes bounce-up {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-10px);
  }
}

.turtle-details h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: #f9fafb;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid #374151;
}

.turtle-details h2::before {
  content: '🐢';
  font-size: 1.25rem;
}

.detail-section {
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: #1f2937;
  border-radius: 0.5rem;
  border: 1px solid #374151;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
}

.detail-section:hover {
  border-color: #4b5563;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.detail-section h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: #60a5fa;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-section h4 {
  font-size: 0.875rem;
  margin: 1rem 0 0.75rem;
  color: #d1d5db;
  font-weight: 600;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.status-item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.75rem;
  background: #111827;
  border-radius: 0.375rem;
  border: 1px solid #374151;
  transition: all 0.2s ease;
}

.status-item:hover {
  background: #1f2937;
  border-color: #60a5fa;
}

.status-item .label {
  color: #9ca3af;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-item .value {
  color: #f9fafb;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  font-size: 0.95rem;
}

.command-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.command-btn {
  padding: 0.75rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.command-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.command-btn:active {
  transform: translateY(0);
}

.command-btn.explore {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.command-btn.mine {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.command-btn.return {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.command-btn.stop {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.command-btn.manual {
  background: linear-gradient(135deg, #a855f7, #9333ea);
}

.command-btn.setHome {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.command-btn.refuel {
  background: linear-gradient(135deg, #10b981, #059669);
}

.command-btn.status {
  background: linear-gradient(135deg, #64748b, #475569);
}

/* Movement Controls */
.movement-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: #1f2937;
  border-radius: 0.5rem;
  border: 1px solid #374151;
}

.movement-row {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.movement-row.vertical {
  gap: 0.75rem;
}

.movement-controls button {
  width: 3rem;
  height: 3rem;
  border: 2px solid #374151;
  background: #111827;
  color: #60a5fa;
  border-radius: 0.5rem;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.movement-controls button:hover {
  background: #1f2937;
  border-color: #60a5fa;
  box-shadow: 0 0 15px rgba(96, 165, 250, 0.3);
  transform: scale(1.05);
}

.movement-controls button:active {
  transform: scale(0.95);
}

/* Action Grid */
.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.action-btn {
  padding: 0.75rem;
  border: 2px solid #374151;
  background: #1f2937;
  color: #60a5fa;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.action-btn:hover {
  border-color: #60a5fa;
  background: #111827;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(96, 165, 250, 0.2);
}

.action-btn.dig {
  border-color: #f59e0b;
  color: #f59e0b;
}

.action-btn.dig:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: #f59e0b;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.action-btn.digup,
.action-btn.digdown {
  border-color: #f59e0b;
  color: #f59e0b;
}

.action-btn.digup:hover,
.action-btn.digdown:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: #f59e0b;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.action-btn.place {
  border-color: #10b981;
  color: #10b981;
}

.action-btn.place:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10b981;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Inventory Grid */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  max-height: 400px;
  overflow-y: auto;
  padding: 0.5rem;
  background: #0f172a;
  border-radius: 0.5rem;
  border: 1px solid #1e293b;
}

.inventory-slot {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #1e293b;
  border: 2px solid #334155;
  border-radius: 0.375rem;
  padding: 0.5rem;
  transition: all 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.inventory-slot.empty {
  background: #0f172a;
  border-style: dashed;
  border-color: #1e293b;
}

.inventory-slot.filled {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-color: #3b82f6;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.inventory-slot.filled:hover {
  border-color: #60a5fa;
  background: linear-gradient(135deg, #1e3a5f 0%, #1e293b 100%);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
}

.slot-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.slot-item .item-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.slot-item .item-count {
  position: absolute;
  bottom: 0.25rem;
  right: 0.25rem;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-family: 'Courier New', monospace;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.slot-name {
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  right: 0.25rem;
  font-size: 0.5rem;
  color: #94a3b8;
  font-weight: 600;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slot-number {
  font-size: 0.75rem;
  color: #475569;
  font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .command-grid {
    grid-template-columns: 1fr;
  }
  
  .action-grid {
    grid-template-columns: 1fr;
  }
  
  .inventory-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .turtle-grid {
    grid-template-columns: 1fr;
  }
  
  .panel-content {
    flex-direction: column;
  }
  
  .turtle-list {
    border-bottom: 1px solid #374151;
    border-right: none;
  }
  
  .inventory-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .inventory-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.375rem;
  }
  
  .inventory-slot {
    padding: 0.375rem;
  }
  
  .slot-item .item-icon {
    font-size: 1.25rem;
  }
}