body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #1a1a1a;
  color: #e0e0e0;
  margin: 0;
  padding: 20px;
}

h2, h3 {
  color: #4a9eff;
  margin-top: 0;
}

.container {
  display: flex;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.visualization {
  flex-shrink: 0;
}

#simCanvas {
  border: 2px solid #444;
  border-radius: 8px;
  background-color: #2a2a2a;
}

.controls {
  flex: 1;
  min-width: 300px;
}

.task-section {
  background-color: #2a2a2a;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.button-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 15px;
}

button {
  background-color: #4a9eff;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #357abd;
}

button:active {
  transform: translateY(1px);
}

.status {
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 12px;
  color: #a0a0a0;
  background-color: #1a1a1a;
  padding: 8px 12px;
  border-radius: 4px;
  border-left: 3px solid #4a9eff;
}

.debug-info {
  margin-top: 30px;
  background-color: #2a2a2a;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 20px;
}

#debug {
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 11px;
  line-height: 1.4;
  color: #c0c0c0;
  background-color: #1a1a1a;
  padding: 15px;
  border-radius: 4px;
  overflow: auto;
  max-height: 200px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    flex-direction: column;
    align-items: center;
  }
  
  .controls {
    max-width: 700px;
  }
}

@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  
  #simCanvas {
    width: 100%;
    height: auto;
    max-width: 500px;
  }
  
  .button-group {
    justify-content: center;
  }
}