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

html,
body{
    min-height:100%;
    background:#f4f7fc;
}

body{
    padding:40px 20px;
    background:radial-gradient(circle at top,#ffffff 0%,#eef4ff 45%,#f4f7fc 100%);
}

.container{
    width:680px;
    max-width:100%;
    margin:0 auto;
}

.logo{
    width:340px;
    max-width:90%;
    display:block;
    margin:0 auto 35px;
}

h1{
    text-align:center;
    color:#1f56d8;
    font-size:54px;
    font-weight:700;
    margin-bottom:15px;
}

.descricao{
    text-align:center;
    color:#666;
    font-size:20px;
    margin-bottom:40px;
}

.card{
    background:#fff;
    border-radius:18px;
    padding:28px;
    margin-bottom:25px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    border:1px solid #edf1f7;
}

.ip-area{
    margin-top:15px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
}

#ip{
    font-size:50px;
    font-weight:700;
    color:#2d61ff;
    letter-spacing:1px;
}

button{
    background:#2d61ff;
    color:#fff;
    border:none;
    border-radius:12px;
    padding:15px 28px;
    cursor:pointer;
    font-size:16px;
    font-weight:600;
    transition:all .25s ease;
    min-width:140px;
}

button:hover{
    background:#1b49d8;
    transform:translateY(-2px);
    box-shadow:0 10px 20px rgba(45,97,255,.25);
}

button:disabled{
    cursor:default;
    opacity:1;
}

small{
    color:#777;
    font-size:15px;
}

.linha{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:10px 0;
    gap:20px;
    font-size:20px;
}

.linha strong{
    color:#222;
}

.linha span{
    color:#555;
    text-align:right;
}

.footer{
    width:100%;
    text-align:center;
    margin-top:45px;
    padding:25px 10px;
    color:#6b7280;
    font-size:14px;
    border-top:1px solid #e5e7eb;
}

/* =======================
        RESPONSIVO
======================= */

@media (max-width:700px){

    body{
        padding:25px 15px;
    }

    .container{
        width:100%;
    }

    .logo{
        width:250px;
        margin-bottom:25px;
    }

    h1{
        font-size:38px;
    }

    .descricao{
        font-size:16px;
        margin-bottom:30px;
    }

    .card{
        padding:20px;
        border-radius:15px;
    }

    .ip-area{
        flex-direction:column;
        align-items:flex-start;
        gap:18px;
    }

    #ip{
        font-size:38px;
        width:100%;
        word-break:break-all;
    }

    button{
        width:100%;
    }

    .linha{
        flex-direction:column;
        align-items:flex-start;
        gap:5px;
        font-size:18px;
    }

    .linha span{
        text-align:left;
    }

    .footer{
        font-size:13px;
        margin-top:30px;
    }

}