body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f5f6fa;
  margin: 0;
  padding: 40px;
  color: #333;
}

header {
  margin-bottom: 30px;
}

h1 {
  font-size: 32px;
  margin-bottom: 20px;
}

h2 {
  font-size: 20px;
  margin-bottom: 5px;
}

select {
  padding: 8px 12px;
  font-size: 14px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

#stats-container {
  margin-top: 30px;
}

section {
  background: white;
  padding: 15px 20px;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.hidden {
  display: none;
}

p {
  font-size: 16px;
  margin: 5px 0;
}

#no-data {
  color: #b00020;
  font-weight: bold;
}