*{
  font-family: Arial, sans-serif;
}

body{
  background: #0f172a;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.login-box{
  background: #ffffff;
  width: 320px;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
}

.login-box h2{
  text-align: center;
  margin-bottom: 15px;
}

.login-box input{
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
}

.login-box button{
  background: #2563eb;
  color: #fff;
  width: 100%;
  padding: 10px;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

.login-box button:hover{
  background: #1e40af;
}

.error-msg{
  color: red;
  text-align: center;
  margin-bottom: 10px;
}