body {
  font-family: -apple-system, system-ui, sans-serif;
  margin: 2rem;
  color: #1a1a1a;
}

.topnav {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #ddd;
}

.topnav form {
  margin-left: auto;
}

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

th, td {
  border: 1px solid #ddd;
  padding: 0.5rem;
  text-align: left;
}

.error {
  color: #b00020;
}

.form-row {
  margin-bottom: 0.75rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.25rem;
}