body {
  background: #111;
  color: #fff;
  font-family: sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.auth-container {
  text-align: center;
  background: #222;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 12px rgba(0,0,0,0.4);
  max-width: 400px;
  width: 100%;
}

input {
  display: block;
  margin: 1rem auto;
  padding: 0.75rem;
  width: 90%;
  border-radius: 4px;
  border: none;
}

button {
  padding: 0.75rem 1.5rem;
  margin: 0.5rem;
  border: none;
  background: #ff5555;
  color: white;
  font-weight: bold;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background: #ff7777;
}