body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: #f5f7fa;
  color: #333;
}

header {
  background: linear-gradient(to right, #007bff, #00c6ff);
  color: white;
  padding: 20px;
  text-align: center;
}

main {
  padding: 20px;
}

.summary {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.card {
  background: white;
  flex: 1;
  min-width: 200px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  text-align: center;
}

.charts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.chart-box {
  background: white;
  flex: 1;
  min-width: 300px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.table-section {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
  text-align: center;
}

footer {
  text-align: center;
  padding: 10px;
  background: #eaeaea;
}