body{
    margin:0;
    background:#0f172a;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
    font-family:Arial,Helvetica,sans-serif;
}

.login{
    width:360px;
    background:#ffffff;
    padding:40px;
    border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.35);
}

h1{
    text-align:center;
    margin-bottom:25px;
}

input{
    width:100%;
    padding:12px;
    margin-bottom:15px;
    border:1px solid #ddd;
    border-radius:6px;
    box-sizing:border-box;
}

button{
    width:100%;
    padding:12px;
    background:#2563eb;
    color:white;
    border:none;
    border-radius:6px;
    cursor:pointer;
    font-size:16px;
}

button:hover{
    background:#1d4ed8;
}