* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  align-items: center;
  background: #f5f5f5;
  display: flex;
  font-family: system-ui, sans-serif;
  justify-content: center;
  min-height: 100vh;
}

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px #0001;
  padding: 40px 48px;
  width: 420px;
}

h1 {
  color: #111;
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 28px;
}

label {
  color: #555;
  display: block;
  font-size: .85rem;
  margin-bottom: 6px;
}

select,
input[type=number] {
  background: #fafafa;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: .95rem;
  margin-bottom: 18px;
  padding: 9px 12px;
  width: 100%;
}

.row {
  align-items: center;
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.row input[type=checkbox] {
  cursor: pointer;
  height: 16px;
  width: 16px;
}

.row span {
  color: #333;
  font-size: .9rem;
}

button {
  background: #2563eb;
  border: none;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  padding: 11px;
  width: 100%;
}

button:hover {
  background: #1d4ed8;
}

optgroup {
  font-weight: 600;
}