body {
  background-color: #f0f2f5;
  font-family: Arial, sans-serif;
}

form {
  max-width: 520px;
  margin: 20px auto;
  padding: 25px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.row {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
}

.field {
  margin-bottom: 15px;
}

.row .field {
  flex: 1;
}

label {
  display: block;
  margin-bottom: 5px;
  color: #333;
}

input[type="text"],
input[type="date"],
input[type="number"] {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

input[type="text"]:focus,
input[type="date"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.1);
}

.radio-group {
  margin-bottom: 15px;
}

.radio-group input {
  width: auto;
  margin-right: 5px;
}

.radio-group label {
  display: inline;
  margin-right: 15px;
}

.checkbox-group {
  margin-bottom: 15px;
}

.checkbox-group .group-label {
  display: block;
  margin-bottom: 10px;
  color: #333;
}

.checkbox-group input {
  width: auto;
  margin-right: 5px;
}

.checkbox-group label {
  display: inline;
  margin-right: 15px;
}

button {
  padding: 8px 20px;
  background-color: #4a90e2;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

button:hover {
  background-color: #357abd;
}

.single-field input {
  width: 250px;
}

#idade {
  width: 100px;
}