body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 500px;
  margin: auto;
  background: white;
  padding: 25px;
  border-radius: 10px;
}

h1, h2, h3 {
  text-align: center;
}

input,
textarea,
button {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  box-sizing: border-box;
}

button {
  cursor: pointer;
}

.buttons button {
  margin-top: 12px;
}

.status-box {
  margin-top: 20px;
  font-size: 18px;
  text-align: center;
}

.hidden {
  display: none;
}
```