main {
  margin-top: 120px;
  display: flex;
  justify-content: center;
}

.login-box {
  background: rgba(15, 15, 30, 0.9);
  border: 2px solid #0ff;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 0 20px #0ff;
  width: 350px;
  text-align: center;
}

.login-box h2 {
  color: #0ff;
  margin-bottom: 20px;
}

.login-box input {
  width: 90%;
  padding: 10px;
  margin: 10px 0;
  background: #000;
  border: 1px solid #0ff;
  color: #0ff;
  border-radius: 8px;
  font-family: monospace;
  font-size: 14px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.login-box input:focus {
  outline: none;
  box-shadow: 0 0 10px #0ff;
  border-color: #0ff;
}

.login-box button {
  background: #0ff;
  color: #000;
  font-weight: bold;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.login-box button:hover {
  background: #fff;
  transform: scale(1.05);
}

.message {
  color: #f66;
  margin-bottom: 10px;
}