body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
  margin: 0;
}
.container {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  width: 300px;
}
h2 {
  text-align: center;
  margin-bottom: 20px;
}
input, button {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #ccc;
}
button {
  background-color: #00b894;
  color: white;
  font-weight: bold;
  cursor: pointer;
}
button:hover {
  background-color: #019875;
}
.error {
  color: red;
  font-size: 14px;
  text-align: center;
}