body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f9fafb;
  color: #333;
}

.dashboard {
  padding: 2rem;
  max-width: 1000px;
  margin: auto;
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
  color: #2c3e50;
}

.chart-container {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  margin-bottom: 2rem;
}