.control-panel {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #0f172a;
  color: #e2e8f0;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: #1e293b;
  border-bottom: 2px solid #334155;
}

.panel-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f1f5f9;
}

.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;
}

.turtle-list {
  width: 350px;
  border-right: 2px solid #334155;
  display: flex;
  flex-direction: column;
  background: #1e293b;
}

.turtle-list h2 {
  padding: 1rem 1.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  border-bottom: 1px solid #334155;
}

.turtle-cards {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.empty-state {
  padding: 2rem 1.5rem;
  text-align: center;
  color: #94a3b8;
}

.empty-state .hint {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: #64748b;
}

.turtle-card {
  background: #0f172a;
  border: 2px solid #334155;
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.turtle-card:hover {
  border-color: #60a5fa;
  transform: translateX(4px);
}

.turtle-card.selected {
  border-color: #60a5fa;
  background: #1e293b;
  box-shadow: 0 0 20px rgba(96, 165, 250, 0.3);
}

.turtle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.turtle-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.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: 0.5rem;
}

.turtle-stats .stat {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.turtle-stats .label {
  color: #94a3b8;
}

.turtle-stats .value {
  color: #f1f5f9;
  font-weight: 500;
  font-family: 'Courier New', monospace;
}

.turtle-details {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.turtle-details.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 1.125rem;
}

.turtle-details h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: #60a5fa;
}

.detail-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: #1e293b;
  border-radius: 0.5rem;
  border: 1px solid #334155;
}

.detail-section h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #f1f5f9;
}

.detail-section h4 {
  font-size: 1rem;
  margin: 1.5rem 0 1rem;
  color: #cbd5e1;
}

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

.status-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.status-item .label {
  color: #94a3b8;
  font-size: 0.875rem;
}

.status-item .value {
  color: #f1f5f9;
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

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

.command-btn {
  padding: 0.875rem 1rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.command-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.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: #1e293b;
  border-radius: 0.5rem;
}

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

.movement-row.vertical {
  gap: 1rem;
}

.movement-controls button {
  width: 3.5rem;
  height: 3.5rem;
  border: 2px solid #334155;
  background: #0f172a;
  color: #60a5fa;
  border-radius: 0.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.movement-controls button:hover {
  background: #1e293b;
  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: 0.75rem;
}

.action-btn {
  padding: 1rem;
  border: 2px solid #334155;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: white;
  background: #1e293b;
}

.action-btn:hover {
  border-color: #60a5fa;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px 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 List */
.inventory-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.inventory-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #1e293b;
  border: 2px solid #334155;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.inventory-item:hover {
  border-color: #60a5fa;
  transform: translateX(4px);
}

.item-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.item-name {
  flex: 1;
  color: #e2e8f0;
  font-size: 0.95rem;
  text-transform: capitalize;
}

.item-count {
  color: #94a3b8;
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

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

@media (max-width: 768px) {
  .turtle-grid {
    grid-template-columns: 1fr;
  }
}