@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;1,300&display=swap");

:root {
  --primary-color: #3498db;
  --primary-color-hover: #4fa5df;
  --input-height: 55px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: "Open Sans", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
/*****************  

    Global Styles

******************/
h1 {
  font-weight: 300;
  color: #343434;
  margin: 0.5rem 0;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.flex {
  display: flex;
  margin-bottom: 1.5rem;
}

.justify-between {
  justify-content: space-between;
}

input[type="checkbox"] {
  margin-right: 1rem;
  transform: scale(1.5);
}

/*****************  

    Colors

******************/
.gray {
  color: rgb(124, 124, 124);
}

.fa-twitter {
  color: var(--primary-color);
}

.fa-google {
  color: #dd4b39;
}

/*****************  

    buttons

******************/
.btn {
  padding: 0.5rem 1rem;
  border: none;
  outline: none;
}

.btn-tab {
  width: 50%;
  padding: 2rem 1rem;
  font-size: 1.25rem;
}

.btn-tab.active {
  border-top: 3px solid var(--primary-color);
  background-color: #fff;
}

.btn-oauth {
  padding: 0.75rem 2rem;
  font-size: 1.25rem;
  color: rgb(92, 92, 92);
  border-radius: 5px;
  background-color: #fff;
  box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px,
    rgba(60, 64, 67, 0.15) 0px 1px 3px 1px;
}

.btn-register {
  width: 100%;
  height: var(--input-height);
  background-color: var(--primary-color);
  color: #f3f3f3;
  font-size: 1.5rem;
  border-radius: 5px;
}

.btn-register:hover {
  background-color: var(--primary-color-hover);
}
/*****************  

    Registration Form

******************/
.registration-form {
  width: 600px;
  border: 1px solid #ccc;
  box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px,
    rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;
  text-align: center;
  font-size: 1.25rem;
}

.registration-form .header {
  display: flex;
}

.registration-form .body {
  padding: 2rem 1rem;
}

.content {
  display: none;
}

.content.active {
  display: block;
}

.bar {
  position: relative;
  margin: 2.5rem 0;
  border-top: 1px solid #ccc;
}

.bar::before {
  content: "or";
  position: absolute;
  left: 50%;
  transform: translate(-50%, -53%);
  padding: 0 1rem;
  background-color: #fff;
}

/*****************  

    input elements

******************/

.input-group {
  position: relative;
  margin: 1rem 0;
  height: var(--input-height);
}

.input-group .input-elem {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 0 1.5rem;
  font-size: 1.25rem;
  outline: none;
}

.input-group label {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 1rem;
  padding: 0 0.5rem;
  transition: all 0.2s ease-in-out;
  user-select: none;
  pointer-events: none;
}

.input-group .input-elem:focus {
  border: 2px solid var(--primary-color);
}

.input-group .input-elem:not(:placeholder-shown) + label {
  top: 0;
  background-color: #fff;
  color: rgb(90, 90, 90);
}

.input-group .input-elem:focus + label {
  top: 0;
  background-color: #fff;
  color: var(--primary-color);
}

.eye {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  right: 1rem;
  color: #888;
  cursor: pointer;
}

.eye:hover {
  color: var(--primary-color);
}

.agreements {
  display: flex;
  align-items: center;
  margin: 1rem 0;
}

.reg_link {
  display: inline-block;
  color: var(--primary-color);
  margin: 1.5rem 0 0.5rem;
}

/*****************  

ripple effect

******************/
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  background-color: rgba(0, 0, 0, 0.5);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  animation: rippleAnimate 0.4s ease-out;
}

@keyframes rippleAnimate {
  from {
    width: 0px;
    height: 0px;
  }
  to {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

/*****************  

responsive design

******************/

@media screen and (max-width: 768px) {
  .registration-form {
    width: 340px;
  }

  .flex {
    flex-direction: column;
  }

  .btn-oauth {
    margin-bottom: 0.5rem;
  }

  .btn-tab {
    padding: 1rem;
  }
}