:root {
  --primary: #fedc2a;
  --complementary: #5a3b5d;
  --lightsep: rgb(220, 220, 220);
}

body {
  background: var(--primary);
  font-family: "Raleway", sans-serif;
  background-size: cover;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form {
  background: #fff;
  border: 1px solid #d9d9d9;
  color: rgb(99, 99, 99);
  width: 300px;
  border-radius: 4px;
  margin: 0 auto;
  padding: 20px 30px;
}

.form h1 {
  text-transform: uppercase;
  font-weight: normal;
  font-size: 1.5em;
  text-align: center;
  margin: 0;
  padding: 10px 0px;
  border-bottom: 1px solid var(--lightsep);
}

form p {
  position: relative;
  margin: 25px 0 10px 0;
}

p.remember {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--lightsep);
}

.email label,
.password label,
.input {
  display: block;
  width: 100%;
  padding-bottom: 10px;
  box-sizing: border-box;
}

[type="submit"] {
  display: block;
  color: var(--complementary);
  font-weight: bold;
  border-radius: 2px;
  background: var(--primary);
  box-shadow: 5px 5px 0 0 var(--primary), inset 4px 4px 0 0 white;
  border: 2px solid var(--complementary);
  border-radius: 3px;
  padding: 10px;
  width: 100%;
  margin: 0 auto;
  transition: background 0.3s;
}

[type="submit"]:hover {
  background: white;
  box-shadow: 5px 5px 0 0 var(--primary), inset 4px 4px 0 0 white;
}

[type="password"],
[type="email"] {
  padding: 20px;
}

[type="password"]:focus,
[type="email"]:focus {
  outline: none;
}

.input {
  font-size: 0.85em;
  background: rgb(255, 255, 255);
  border: 1px solid var(--lightsep);
  height: 40px;
  transition: border-color 0.4s, box-shadow 1s;
}

.input:active,
.input:focus {
  border: 1px solid var(--complementary);
  box-shadow: 4px 4px 0 #c7a9cd;
}

.checkbox {
  position: absolute;
  left: -300%;
}

.checkbox + label {
  position: relative;
  padding-left: 25px;
  cursor: pointer;
}

.checkbox + label:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 15px;
  height: 15px;
  border-radius: 2px;
  background: rgb(255, 255, 255);
  border: 1px solid rgb(216, 216, 216);
  transition: background 0.2s, border-color 0.2s;
}

.checkbox:checked + label:before {
  background: var(--complementary);
  border-color: var(--complementary);
}

.checkbox:focus + label:before {
  border: 1px solid var(--complementary);
  box-shadow: 4px 4px 0 #c7a9cd;
}

.checkbox + label:after {
  content: " ";
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10.7 8.7" enable-background="new 0 0 10.7 8.7"><path fill="white" d="M4.2 8.7c-.3 0-.5-.3-.7-.5l-3.2-3.1c-.4-.4-.4-1.1 0-1.5s1-.4 1.4 0l2.4 2.3 4.9-5.6c.4-.4 1-.5 1.4-.1.4.4.5 1 .1 1.4l-5.6 6.6c-.1.2-.4.5-.7.5z"/></svg>')
    no-repeat;
  position: absolute;
  left: 2px;
  top: 3px;
  width: 13px;
  height: 13px;
  transform: scale(0);
  transition: transform 0.4s;
}

.checkbox:checked + label:after {
  transform: scale(1);
}

.invalid {
  border-color: rgb(183, 0, 76);
}

.required {
  border-color: #b54300;
}

.validation {
  display: block;
  font-size: 0.8em;
  padding-top: 0.5em;
  position: absolute;
  right: 0;
  opacity: 0;
  transition: opacity 1s;
}

.validation.req {
  color: #b54300;
}

.validation.error {
  color: rgb(183, 0, 76);
}

.invalid:not(.required) ~ .validation.error {
  opacity: 1;
  transform: scale(1);
}

.required ~ .validation.req {
  opacity: 1;
  transform: scale(1);
}

@keyframes shakeMe {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-10px);
  }
  40%,
  80% {
    transform: translateX(10px);
  }
}

.errors {
  animation-name: shakeMe;
  animation-duration: 0.5s;
}