body {
  font-family: Arial, sans-serif;
  background: #1a1a1a;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 1rem;
}

.login-container {
  background: #2d2d2d;
  padding: 2rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
  width: 100%;
  max-width: 360px;
  box-sizing: border-box;
  color: #ffffff;
}

.login-container h2 {
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 1.5rem;
}

.login-container input {
  width: 90%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  border: 1px solid #404040;
  border-radius: 4px;
  font-size: 1rem;
  background-color: #1a1a1a;
  color: #ffffff;
}

.login-container button {
  width: 100%;
  padding: 0.75rem;
  background: #00cfff;
  border: none;
  color: white;
  font-weight: bold;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s ease;
}

.login-container button:hover {
  background: #00b5e0;
}

.message {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #a0a0a0;
}