body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to bottom, #87ceeb, #fff);
  text-align: center;
  padding: 50px;
}

.container {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  max-width: 600px;
  margin: auto;
}

input[type="password"], button {
  padding: 10px;
  margin: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

button {
  background-color: #00bcd4;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #0097a7;
}

.hidden {
  display: none;
}