body {
  font-family: Arial, sans-serif;
  background: #3c1b1a;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  flex-direction: column;
}
.form-container {
  background: #f9b242;
  padding: 20px 30px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input {
  display: block;
  margin: 10px 0;
  padding: 8px;
  width: 100%;
}
button {
  padding: 10px;
  width: 100%;
  background: #732f0f;
  color: white;
  border: none;
  cursor: pointer;
}
button:hover {
  background: #45a049;
}
.hidden {
  display: none;
}
.error {
  color: red;
}
.success {
  color: green;
}