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

body{
  height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  background: linear-gradient(135deg, black, #1a0000);
}
.container{
  width:350px;
  background:#111;
  padding:30px;
  border-radius:15px;
  box-shadow:0 0 20px rgba(255,0,0,0.4);
}

h2{
  text-align:center;
  color:red;
  margin-bottom:20px;
}

input{
  width:100%;
  padding:10px;
  margin:10px 0;
  border:none;
  outline:none;
  border-radius:8px;
  background:#222;
  color:white;
}

button{
  width:100%;
  padding:10px;
  margin-top:10px;
  border:none;
  border-radius:8px;
  background:red;
  color:white;
  font-weight:bold;
  cursor:pointer;
  transition:0.3s;
}

button:hover{
  background:#ff1a1a;
}

.toggle{
  text-align:center;
  color:white;
  margin-top:15px;
  cursor:pointer;
}

.logout{
  display:none;
  text-align:center;
}

.logout button{
  background:black;
  border:1px solid red;
}

.welcome-text{
  color:white;
  margin:10px 0;
}