body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: linear-gradient(to bottom, #c7f0b2, #8ed081);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #2f2f2f;
}

header {
  text-align: center;
  margin: 10px 0;
}

main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
}

canvas {
  border: 3px solid #2f2f2f;
  border-radius: 10px;
  background: #e8f5e9;
}

.ui-panel {
  width: 250px;
  padding: 10px 15px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.plant-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 10px;
}

button {
  padding: 8px 10px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background-color: #66bb6a;
  color: white;
  transition: 0.3s;
}

button:hover {
  background-color: #43a047;
}

.stats p {
  margin: 6px 0;
  font-weight: 500;
}

footer {
  margin-top: 15px;
  font-size: 14px;
  color: #444;
}