body {
  font-family: Arial, sans-serif;
  background: #f3f4f6;
  color: #111827;
  margin: 0;
  padding: 24px;
}

h1 {
  margin-top: 0;
}

form {
  max-width: 900px;
  background: #fff;
  padding: 24px;
  border-radius: 14px;
  box-shadow: 0 1px 6px rgba(0,0,0,.08);
}

label {
  display: block;
  font-weight: 700;
  margin-top: 16px;
}

input,
select,
textarea {
  width: 100%;
  max-width: 420px;
  padding: 9px 10px;
  margin-top: 5px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  box-sizing: border-box;
}

input[type="radio"],
input[type="checkbox"] {
  width: auto;
}

button,
input[type="submit"] {
  margin-top: 20px;
  background: #2563eb;
  color: white;
  border: 0;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

button:hover,
input[type="submit"]:hover {
  background: #1d4ed8;
}

small,
.help-text {
  color: #6b7280;
}