body {
  font-family: Arial, sans-serif;
  padding: 20px;
  text-align: center;
  background-color: #f9f9f9;
  color: #333;
}

.data-display {
  font-size: 1.5em;
  margin: 10px 0;
  padding: 10px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.unit-toggle {
  margin: 20px 0;
  font-size: 1em;
}

.chart-container,
.trajectory-container,
.compass-container {
  width: 100%;
  max-width: 600px;
  margin: 20px auto;
  text-align: center;
}

canvas {
  width: 100%;
  height: auto;
  border: 1px solid #ccc;
  background-color: #fff;
  border-radius: 8px;
}

button {
  padding: 10px 20px;
  font-size: 1em;
  margin-top: 20px;
  cursor: pointer;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #0056b3;
}

.note {
  color: #888;
  font-size: 0.9em;
  margin-top: 10px;
}