*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#0f172a;
    font-family:Segoe UI,Arial,sans-serif;

    display:flex;
    justify-content:center;
    align-items:center;

    height:100vh;
}

.login-box{

    width:420px;

    background:#111827;

    border:1px solid #334155;

    border-radius:20px;

    padding:45px;

    text-align:center;

    box-shadow:0 0 30px rgba(0,0,0,.35);

}

.logo{

    width:90px;

    margin-bottom:20px;

}

h1{

    color:white;

    margin-bottom:5px;

}

p{

    color:#94a3b8;

    margin-bottom:30px;

}

input{

    width:100%;

    padding:15px;

    margin-bottom:18px;

    border:none;

    border-radius:12px;

    background:#1e293b;

    color:white;

    font-size:15px;

}

input:focus{

    outline:none;

    border:1px solid #3b82f6;

}

button{

    width:100%;

    padding:15px;

    border:none;

    border-radius:12px;

    background:#2563eb;

    color:white;

    font-size:16px;

    cursor:pointer;

    transition:.25s;

}

button:hover{

    background:#3b82f6;

}

.error{

    background:#7f1d1d;

    color:white;

    padding:10px;

    border-radius:10px;

    margin-bottom:20px;

}