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

.auth-page{

    min-height:100vh;
    margin:0;
    display:flex;
    flex-direction:column;

    background-image:
    linear-gradient(rgba(0,0,0,.45), rgba(0,0,0,.45)),
    url("signin_back.jpg");

    background-size:cover;

    background-position:center;

    background-repeat:no-repeat;

    background-attachment:fixed;
}

.auth-page .header{
    position:sticky;
    top:0;
    left:0;
    background:rgba(8, 19, 31, 0.75);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(255,255,255,0.15);
}

.auth-page .signin{
    margin:auto;
}

/* ===========================
      Sign In Card
=========================== */

.signin{

    width:460px;
    max-width:100%;
    margin:auto;

    padding:45px;

    background:rgba(255,255,255,.15);

    backdrop-filter:blur(18px);

    -webkit-backdrop-filter:blur(18px);

    border:1px solid rgba(255,255,255,.25);

    border-radius:20px;

    box-shadow:0 20px 45px rgba(0,0,0,.35);

    text-align:center;
}

/* ===========================
        Heading
=========================== */

.signin-h1{

    color:#ffffff;

    font-size:38px;

    letter-spacing:2px;

    margin-bottom:35px;
}

/* ===========================
        Inputs
=========================== */

.signin input{

    width:100%;

    padding:16px 20px;

    margin-bottom:18px;

    border:none;

    border-radius:12px;

    background:rgba(255,255,255,.90);

    font-size:16px;

    outline:none;

    transition:.3s;
}

.signin input:focus{

    background:white;

    box-shadow:0 0 15px rgba(45,212,191,.4);
}

.signin input::placeholder{

    color:#555;
}

/* ===========================
        Links
=========================== */

.signin a{

    display:block;

    text-decoration:none;

    color:#ffffff;

    font-size:15px;

    margin:12px 0;

    transition:.3s;
}

.signin a:hover{

    color:#2DD4BF;
}

/* ===========================
        Button
=========================== */

#btn-login{

    width:100%;

    padding:15px;

    margin:25px 0;

    border:none;

    border-radius:50px;

    background:#2DD4BF;

    color:white;

    font-size:18px;

    font-weight:600;

    cursor:pointer;

    transition:.3s;
}

#btn-login:hover{

    background:#14B8A6;

    transform:translateY(-3px);

    box-shadow:0 12px 25px rgba(45,212,191,.45);
}

/* ===========================
    Create Account Link
=========================== */

.signin a:last-child{

    margin-top:10px;

    font-weight:600;
}

/* ===========================
      Responsive
=========================== */

@media(max-width:600px){

    .auth-page{
        background-attachment:scroll;
    }

    .signin{
        width:90%;
        padding:35px 25px;
    }

    .signin-h1{

        font-size:30px;
    }
}

@media (max-width: 992px){
    .auth-page{
        background-attachment:scroll;
    }

    .signin{
        margin:auto;
    }
}

@media (max-width: 768px){
    .signin{
        width:100%;
        margin:auto;
        padding:32px 22px;
        border-radius:18px;
    }

    .signin-h1{
        font-size:32px;
        margin-bottom:28px;
    }

    .signin input{
        padding:14px 16px;
    }

    #btn-login{
        margin:20px 0;
        font-size:17px;
    }
}

@media (max-width: 480px){
    .signin{
        margin:auto;
        padding:26px 16px;
    }

    .signin-h1{
        font-size:28px;
        letter-spacing:1px;
    }

    .signin input{
        font-size:15px;
    }

    .signin a{
        font-size:14px;
    }

    #btn-login{
        padding:14px;
        font-size:16px;
    }
}