body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #1e1e2f, #2c2c3e);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  background-color: #2a2a3a;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  width: 90%;
  max-width: 400px;
}

input {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
}

button {
  margin: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background-color: #4a90e2;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #357ab8;
}

.button-row {
  display: flex;
  justify-content: space-between;
}

.hidden {
  display: none;
}