*{
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}
body{
    font-family: sans-serif;
}
.container{
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-color: #fff;
    overflow: hidden;
}
.container::before{
    content: '';
    position: absolute;
    width: 2400px;
    height: 2400px;
    border-radius: 120%;
    background: linear-gradient(-65deg, #8fbaef, #474a47);
    top: -10%;
    right: 40%;
    transform: translateY(-50%);
    z-index: 6;
    transition: 1.2s ease-in-out;
}
.forms-container{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
.signin-signup{
    position: absolute;
    top: 50%;
    left: 75%;
    transform: translate(-50%, -50%);
    width: 50%;
    display: grid;
    grid-template-columns: 1fr;
    z-index: 5;
    transition: 1s .7s ease-in-out;
}

form{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 5rem;
    overflow: hidden;
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    transition: .2s .7s ease-in-out;
}
form.sign-in-form{
    z-index: 2;
}
form.sign-up-form{
    z-index: 1;
    opacity: 0;
}

.title{
    font-size: 1.5rem;color:#336699;
    color: #444;
    margin-bottom: 10px;
}
.input-field{
    max-width: 380px;
    width: 100%;
    height: 55px;
    background-color: #f0f0f0;
    margin: 10px 0;
    border-radius: 55px;
    display: grid;
    grid-template-columns: 15% 85%;
    padding: 0 .4rem;
}
.input-field i{
    text-align: center;
    line-height: 55px;
    color: #acacac;
    font-size: 1.1rem;
}
.input-field input, .input-field select{
    background: none;
    outline: none;
    border: none;
    line-height: 1;
    font-weight: 300;
    font-size: 1.1rem;
    color: #333;
}
.input-field input::placeholder{
    color: #aaa;
    font-weight: 500;
}
.btn{
    width: 150px;
    height: 49px;
    border: none;
    outline: none;
    border-radius: 49px;
    cursor: pointer;
    background-color: #599;
    color: #fff;
    text-transform: uppercase;
    font-weight: 600;
    margin: 10px 0;
    transition: .5s;
}
.btn:hover{
    background-color: #597;
}
.social-text{
    padding: .7rem 0;
    font-size: 1rem;
}
.social-media{
    display: flex;
    justify-content: center;
}
.social-icon{
    height: 46px;
    width: 46px;
    border: 1px solid #333;
    margin: 0 0.45rem;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 1.1rem;
    color: #333;
    border-radius: 50%;
    transition: .3s;
}
.social-icon:hover{
    color: #444;
    border-color: #444;
}


.panels-container{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2,1fr);
}
.panel{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-around;
    text-align: center;
    z-index: 7;
}
.left-panel{
    padding: 3rem 17% 2rem 12%;
    pointer-events: all;
}
.right-panel{
    padding: 3rem 12% 2rem 17%;
    pointer-events: none;
}
.panel .content{
    color: #fff;
    transition: .9s .6s ease-in-out;
}
.panel h3{
    font-weight: 600;
    line-height: 1;
    font-size: 1.5rem;
}
.panel p{
    font-size: 0.95rem;
    padding: .7rem 0;
}
.btn.transparent{
    margin: 0;
    background: none;
    border: 2px solid #fff;
    width: 130px;
    height: 41px;
    font-weight: 600;
    font-size: .8rem;
}
.image{
    width: 100%;
    transition: 1.1s .4s ease-in-out;
}
.right-panel .content, .right-panel .image{
    transform: translateX(800px);
}

/* Animation */
.container.sign-up-mode::before{
   transform: translate(100%, -50%);
   right: 52%;
}
.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content{
    transform: translateX(-800px);
}

.container.sign-up-mode .right-panel .content, 
.container.sign-up-mode .right-panel .image{
    transform: translateX(0px);
}

.container.sign-up-mode .left-panel{
    pointer-events: none;
}
.container.sign-up-mode .right-panel{
    pointer-events: all;
}
.container.sign-up-mode .signin-signup{
    left: 25%;
}
/* toggling form */
.container.sign-up-mode form.sign-in-form{
    z-index: 1;
    opacity: 0;
}
.container.sign-up-mode form.sign-up-form{
    z-index: 2;
    opacity: 1;
}

@media (max-width: 870px) {
    .container {
      min-height: 800px;
      height: 100vh;
    }
    .signin-signup {
      width: 100%;
      top: 95%;
      transform: translate(-50%, -100%);
      transition: 1s 0.8s ease-in-out;
    }
  
    .signin-signup,
    .container.sign-up-mode .signin-signup {
      left: 50%;
    }
  
    .panels-container {
      grid-template-columns: 1fr;
      grid-template-rows: 1fr 2fr 1fr;
    }
  
    .panel {
      flex-direction: row;
      justify-content: space-around;
      align-items: center;
      padding: 2.5rem 8%;
      grid-column: 1 / 2;
    }
  
    .right-panel {
      grid-row: 3 / 4;
    }
  
    .left-panel {
      grid-row: 1 / 2;
    }
  
    .image {
      width: 200px;
      transition: transform 0.9s ease-in-out;
      transition-delay: 0.6s;
    }
  
    .panel .content {
      padding-right: 15%;
      transition: transform 0.9s ease-in-out;
      transition-delay: 0.8s;
    }
  
    .panel h3 {
      font-size: 1.2rem;
    }
  
    .panel p {
      font-size: 0.7rem;
      padding: 0.5rem 0;
    }
  
    .btn.transparent {
      width: 110px;
      height: 35px;
      font-size: 0.7rem;
    }
  
    .container:before {
      width: 1500px;
      height: 1500px;
      transform: translateX(-50%);
      left: 30%;
      bottom: 68%;
      right: initial;
      top: initial;
      transition: 2s ease-in-out;
    }
  
    .container.sign-up-mode:before {
      transform: translate(-50%, 100%);
      bottom: 32%;
      right: initial;
    }
  
    .container.sign-up-mode .left-panel .image,
    .container.sign-up-mode .left-panel .content {
      transform: translateY(-300px);
    }
  
    .container.sign-up-mode .right-panel .image,
    .container.sign-up-mode .right-panel .content {
      transform: translateY(0px);
    }
  
    .right-panel .image,
    .right-panel .content {
      transform: translateY(300px);
    }
  
    .container.sign-up-mode .signin-signup {
      top: 5%;
      transform: translate(-50%, 0);
    }
  }
  
  @media (max-width: 570px) {
    form {
      padding: 0 1.5rem;
    }
  
    .image {
      display: none;
    }
    .panel .content {
      padding: 0.5rem 1rem;
    }
    .container {
      padding: 1.5rem;
    }
  
    .container:before {
      bottom: 72%;
      left: 50%;
    }
  
    .container.sign-up-mode:before {
      bottom: 28%;
      left: 50%;
    }
  }