body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0a0f1a;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
}

h1 {
  color: #00ffd5;
  margin-bottom: 10px;
}

.card {
  margin-top: 20px;
  padding: 30px;
  background: #121a2a;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 255, 213, 0.15);
}

button {
  margin-top: 10px;
  padding: 12px 20px;
  font-size: 16px;
  background: #00ffd5;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #00c7a8;
}

.small {
  font-size: 12px;
  opacity: 0.6;
  margin-top: 10px;
}