body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 700px;
  margin: 40px auto;
  background: #fff;
  padding: 30px 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px #0001;
}
h2 {
  color: #007bff;
  margin-bottom: 20px;
}
#riderTable {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background: #f9f9f9;
}
#riderTable th, #riderTable td {
  border: 1px solid #e0e0e0;
  padding: 10px 14px;
  text-align: center;
}
#riderTable th {
  background: #007bff;
  color: #fff;
}
#riderSearch {
  padding: 7px 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
}