body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f9ff;
  color: #333;
  display: flex;
}

.sidebar {
  width: 220px;
  background: #1e293b;
  color: white;
  padding: 20px;
}

.sidebar h2 {
  margin-bottom: 20px;
  font-size: 22px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
}

.sidebar ul li {
  margin: 10px 0;
}

.sidebar ul li a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s;
}

.sidebar ul li a:hover {
  color: white;
}

.main {
  flex: 1;
  padding: 30px;
}

header h1 {
  margin: 0;
  font-size: 32px;
}

header p {
  color: #666;
  margin-top: 5px;
}

.painel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.info-card {
  background-color: white;
  border-left: 6px solid #28a745;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
}

.grafico {
  margin-top: 40px;
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}