body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

h1, h2, h3 {
  text-align: center;
  color: #1e40af;
}

.form-section, .table-section, .note-section {
  margin-top: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 15px;
}

.form-grid input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 6px;
  border: 1px solid #ddd;
  text-align: center;
  font-size: 14px;
}

.button-group {
  text-align: center;
  margin-top: 30px;
}

.button-group button {
  margin: 0 10px;
  padding: 10px 20px;
  background-color: #1d4ed8;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.button-group button:hover {
  background-color: #2563eb;
}