body{
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg,#667eea,#764ba2);
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.container{
    background:white;
    padding:40px;
    border-radius:15px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,0.2);
    width:350px;
}

h1{
    margin-bottom:20px;
}

input{
    width:80%;
    padding:10px;
    border-radius:8px;
    border:1px solid #ccc;
    margin-bottom:10px;
}

button{
    padding:10px 20px;
    border:none;
    border-radius:8px;
    background:#667eea;
    color:white;
    cursor:pointer;
}

button:hover{
    background:#5a67d8;
}

#result{
    margin-top:20px;
    font-size:18px;
}