@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&display=swap');

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:"Google Sans",sans-serif;
}

body{
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
    background:linear-gradient(
        135deg,
        #f8fafc 0%,
        #eef3f8 50%,
        #ffffff 100%
    );
}

.container{
    position:relative;
    width:850px;
    height:550px;
    background:#ffffff;
    border-radius:30px;
    border:1px solid rgba(11,31,58,.12);
    box-shadow:
        0 20px 45px rgba(11,31,58,.18);
    overflow:hidden;
    animation:fadeUp .8s ease;
}

@keyframes fadeUp{
    from{
        opacity:0;
        transform:translateY(40px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

.container h1{
    font-size:36px;
    margin:10px 0;
    color:#0B1F3A;
    font-weight:700;
}

.form_box{
    position:absolute;
    right:0;
    width:50%;
    height:100%;
    background:#ffffff;
    display:flex;
    align-items:center;
    color:#0B1F3A;
    text-align:center;
    padding:40px;
    z-index:1;
    transition:.6s ease-in-out 1.2s, visibility 0s 1s;
}

.container.active .form_box{
    right:50%;
}

.form_box.register{
    visibility:hidden;
}

.container.active .form_box.register{
    visibility:visible;
}

form{
    width:100%;
}

.input_box{
    position:relative;
    margin:15px 0;
}

.input_box input{
    width:100%;
    padding:14px 50px 14px 18px;
    background:#F8F9FB;
    border:2px solid #D4AF37;
    border-radius:12px;
    outline:none;
    font-size:15px;
    color:#0B1F3A;
    transition:.3s;
}

.input_box input::placeholder{
    color:#888;
}

.input_box input:focus{
    border-color:#F4C542;
    background:#fff;
    box-shadow:0 0 0 4px rgba(212,175,55,.2);
}

.input_box i{
    position:absolute;
    right:18px;
    top:50%;
    transform:translateY(-50%);
    font-size:20px;
    color:#D4AF37;
}



.btn{
    width:60%;
    height:45px;
    border:none;
    border-radius:12px;
    cursor:pointer;
    font-size:16px;
    font-weight:700;
    color:#071426;
    background:linear-gradient(
        135deg,
        #D4AF37,
        #F4C542
    );
    box-shadow:0 10px 25px rgba(212,175,55,.35);
    transition:.3s;
}

.btn:hover{
    transform:translateY(-3px);
    background:linear-gradient(
        135deg,
        #F4C542,
        #FFD95A
    );
    box-shadow:0 15px 30px rgba(212,175,55,.45);
}

.toggle_box{
    position:absolute;
    width:100%;
    height:100%;
}

.toggle_box::before{
    content:"";
    position:absolute;
    left:-250%;
    width:300%;
    height:100%;
    background:linear-gradient(
        135deg,
        #071426,
        #0B1F3A,
        #183B63,
        #29588D
    );
    border-radius:150px;
    z-index:2;
    transition:1.8s ease-in-out;
}

.container.active .toggle_box::before{
    left:50%;
}

.toggle_panel{
    position:absolute;
    width:50%;
    height:100%;
    color:#fff;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:30px;
    z-index:2;
    transition:.6s ease-in-out;
}

.toggle_panel h1{
    color:#FFD95A;
}

.toggle_panel p{
    margin:20px 0;
    line-height:1.6;
    color:#eef4ff;
}

.toggle_panel.toggle_left{
    left:0;
    transition-delay:1.2s;
}

.container.active .toggle_panel.toggle_left{
    left:-50%;
    transition-delay:.6s;
}

.toggle_panel.toggle_right{
    right:-50%;
    transition-delay:.6s;
}

.container.active .toggle_panel.toggle_right{
    right:0;
    transition-delay:1.2s;
}

.toggle_panel .btn{
    width:170px;
    background:transparent;
    color:#FFD95A;
    border:2px solid #FFD95A;
    box-shadow:none;
}

.toggle_panel .btn:hover{
    background:#FFD95A;
    color:#071426;
}

@media screen and (max-width:650px){

    .container{
        height:calc(100vh - 40px);
    }

    .form_box{
        bottom:0;
        width:100%;
        height:70%;
    }

    .container.active .form_box{
        right:0;
        bottom:30%;
    }

    .toggle_box::before{
        left:0;
        top:-270%;
        width:100%;
        height:300%;
        border-radius:20vw;
    }

    .container.active .toggle_box::before{
        left:0;
        top:70%;
    }

    .toggle_panel{
        width:100%;
        height:30%;
    }

    .toggle_panel.toggle_left{
        top:0;
    }

    .container.active .toggle_panel.toggle_left{
        top:-30%;
        left:0;
    }

    .toggle_panel.toggle_right{
        right:0;
        bottom:-30%;
    }

    .container.active .toggle_panel.toggle_right{
        bottom:0;
    }
}

@media screen and (max-width:480px){

    .form_box{
        padding:20px;
    }

    .container h1{
        font-size:28px;
    }

    .btn{
        width:100%;
    }
}