body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f5f5f5;
}

.dashboard {
  display: grid;
  grid-template-columns: 250px 1fr;
  grid-gap: 20px;
}

.filter-panel {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.filter-panel h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #2c3e50;
}

.filter-group {
  margin-bottom: 15px;
}

.filter-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #34495e;
}

.filter-group select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.visualization-panel {
  display: grid;
  grid-template-rows: repeat(2, 1fr);
  grid-gap: 20px;
}

.row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 20px;
}

.chart-container {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.chart-container h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #2c3e50;
  text-align: center;
}

button {
  border: 1px solid #ddd;
  margin-top: 5%;
  background-color: white;
  border-radius: 5px;
  box-shadow: 5px 5px 5px black;
}

.tooltip {
  position: absolute;
  padding: 10px;
  background-color: #f8f9fa;
  border: 1px solid #ddd;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  z-index: 1000;
}