body {
  font-family: Arial, sans-serif;
  background-color: #f4f6f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.login-container {
  background: white;
  padding: 2em;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
input {
  display: block;
  width: 100%;
  margin-bottom: 1em;
  padding: 0.5em;
}
button {
  width: 100%;
  padding: 0.7em;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
}