*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial,sans-serif;
}

body{
  background:#f5f5f5;
  height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
}

.login-container{
  background:white;
  padding:30px;
  width:90%;
  max-width:350px;
  border-radius:15px;
  box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

h1{
  text-align:center;
  margin-bottom:10px;
}

p{
  text-align:center;
  margin-bottom:15px;
}

input{
  width:100%;
  padding:12px;
  margin-bottom:15px;
  border:1px solid #ddd;
  border-radius:10px;
}

button{
  width:100%;
  padding:12px;
  background:#d62828;
  color:white;
  border:none;
  border-radius:10px;
  font-weight:bold;
}

button:active{
  transform:scale(0.98);
}

#message{
  margin-top:15px;
}