@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600&display=swap");

* {
  box-sizing: border-box;
}
body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-image: url(hills.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.container {
  position: relative;
  overflow: hidden;
  width: 768px;
  max-width: 100%;
  min-height: 480px;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
  background-color: #fff;
}
.form-container form {
  background-color: #1d2939;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 50px;
  height: 100%;
}
form h1 {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  color: #fff;
}
.social-container {
  margin: 20px 0;
}
.social-container a {
  border: 1px solid #dddddd;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 0 5px;
  height: 40px;
  width: 40px;
  text-decoration: none;
  color: #fff;
}
form input {
  margin: 8px 0;
  width: 100%;
  padding: 12px 15px;
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
}
span {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  color: #fff;
}
form a {
  margin: 12px 0;
  text-decoration: none;
  letter-spacing: 1px;
  color: #fff;
  font-family: "Montserrat", sans-serif;
}
button {
  padding: 10px 45px;
  border-radius: 20px;
  border: 1px solid black;
  color: black;
  font-size: 12px;
  font-weight: bold;
  padding: 12px 45px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: transform 80ms ease-in;
  margin: 10px 0px;
}
button:active {
  transform: scale(0.95);
}

button:focus {
  outline: none;
}

button.ghost {
  background-color: transparent;
  border-color: #ffffff;
  border: 1px solid black;
}
.form-container {
  position: absolute;
  top: 0;
  height: 100%;
  transition: all 0.6s ease-in-out;
}
.sign-up-container {
  opacity: 0;
  left: 0;
  width: 50%;
  z-index: 1;
}
.sign-in-container {
  left: 0%;
  width: 50%;
  z-index: 2;
  clip-path: polygon(94% 0, 100% 50%, 94% 100%, 0% 100%, 0 53%, 0% 0%);
}
.container.right-panel-active .sign-in-container {
  transform: translateX(100%);
}

.container.right-panel-active .sign-up-container {
  transform: translateX(100%);
  opacity: 1;
  z-index: 5;
  animation: show 0.6s;
}

@keyframes show {
  0%,
  49.99% {
    opacity: 0;
    z-index: 1;
  }

  50%,
  100% {
    opacity: 1;
    z-index: 5;
  }
}
.overlay-container {
  position: absolute;
  top: 0;
  left: 50%;
  width: 50%;
  height: 100%;
  overflow: hidden;
  transition: transform 0.6s ease-in-out;
  z-index: 100;
}

.container.right-panel-active .overlay-container {
  transform: translateX(-100%);
}
.overlay {
  background-color: #fefefb;
  position: relative;
  left: -100%;
  height: 100%;
  width: 200%;
  transform: translateX(0);
  transition: transform 0.6s ease-in-out;
}
.container.right-panel-active .overlay {
  transform: translateX(50%);
}
.overlay-panel {
  position: absolute;
  color: black;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 40px;
  text-align: center;
  top: 0;
  height: 100%;
  width: 50%;
  font-family: "Montserrat", sans-serif;
  transform: translateX(0);
  transition: transform 0.6s ease-in-out;
}
.overlay-left {
  transform: translateX(-20%);
}
.container.right-panel-active .overlay-left {
  transform: translateX(0);
}
.overlay-right {
  right: 0;
  transform: translateX(0);
}
.container.right-panel-active .overlay-right {
  transform: translateX(20%);
}
