

<style>
*{
    box-sizing:border-box;
}

body{
    margin:0;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(135deg,#020617,#0f172a);
    font-family:Arial, sans-serif;
    padding:20px;
}

.box{
    width:100%;
    max-width:420px;
    background:#0f172a;
    padding:32px;
    border-radius:22px;
    box-shadow:0 20px 60px rgba(0,0,0,.5);
    color:#fff;
}

h2{
    margin:0 0 10px;
    font-size:26px;
    text-align:center;
}

p{
    color:#94a3b8;
    text-align:center;
    line-height:1.5;
}

input{
    width:100%;
    height:52px;
    border-radius:14px;
    border:1px solid #334155;
    background:#020617;
    color:#fff;
    padding:0 15px;
    margin:15px 0;
    font-size:16px;
    outline:none;
}

button,
a{
    width:100%;
    min-height:52px;
    border:0;
    border-radius:14px;
    background:linear-gradient(135deg,#2563eb,#06b6d4);
    color:#fff;
    font-weight:bold;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    text-decoration:none;
    margin-top:10px;
    font-size:16px;
}

.msg{
    margin-top:15px;
    background:#082f49;
    padding:12px;
    border-radius:12px;
    text-align:center;
    line-height:1.4;
}

/* CELULAR */
@media(max-width:480px){
    body{
        padding:14px;
        align-items:flex-start;
        padding-top:35px;
    }

    .box{
        padding:24px 18px;
        border-radius:18px;
    }

    h2{
        font-size:23px;
    }

    p{
        font-size:14px;
    }

    input,
    button,
    a{
        height:50px;
        font-size:15px;
        border-radius:12px;
    }
}
