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

body{
    background:linear-gradient(135deg,#12061f,#1f1035,#2b1450);
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.login-box{
    width:420px;
    background:#1b102d;
    padding:40px;
    border-radius:20px;
    box-shadow:0 15px 40px rgba(0,0,0,.45);
}

.logo{
    text-align:center;
    font-size:42px;
    font-weight:700;
    color:#a855f7;
    margin-bottom:10px;
}

.subtitulo{
    text-align:center;
    color:#cfcfcf;
    margin-bottom:35px;
}

input{
    width:100%;
    padding:15px;
    margin-bottom:18px;
    border:none;
    border-radius:12px;
    background:#2a1845;
    color:#fff;
    font-size:16px;
    outline:none;
}

input::placeholder{
    color:#bdbdbd;
}

button{
    width:100%;
    padding:15px;
    border:none;
    border-radius:12px;
    background:#8a2be2;
    color:#fff;
    font-size:18px;
    cursor:pointer;
    transition:.3s;
}

button:hover{
    background:#a855f7;
}

.enlace{
    text-align:center;
    margin-top:20px;
}

.enlace a{
    color:#b86dff;
    text-decoration:none;
    font-weight:600;
}

.enlace a:hover{
    text-decoration:underline;
}

.error{
    background:#c62828;
    color:white;
    padding:12px;
    border-radius:10px;
    margin-bottom:20px;
    text-align:center;
}

@media(max-width:500px){

    .login-box{
        width:92%;
        padding:25px;
    }

    .logo{
        font-size:32px;
    }

}