:root {
  --color-error: #cc0000;
  --color-primary: #3dd9eb;
  --color-secondary: #34495e;
  --color-success: #5cb85c;
  --color-tertiary: #6b7280;
  --color-white: #ffffff;
}

a {
  color: inherit;
  display: inline-block;
  font-weight: bold;
  outline: none;
  text-decoration: none;
}

a:focus,
a:hover {
  text-decoration: underline;
}

body {
  color: var(--color-tertiary);
  display: flex;
  flex-direction: column;
  font-family: Inter, Arial, Helvetica, sans-serif;
  height: 24rem;
  width: 20rem;
}

button {
  outline: none;
}

footer {
  background-color: var(--color-secondary);
  font-size: 0.75rem;
  height: 0.25rem;
  margin-top: auto;
  text-align: center;
}

header {
  align-items: center;
  background-color: var(--color-secondary);
  color: var(--color-white);
  display: flex;
  font-size: 1rem;
  height: 3rem;
  justify-content: space-between;
  padding: 0 1rem;
}

hr {
  margin-bottom: 1rem;
}

input:checked + .slider {
  background-color: var(--color-secondary);
}

input:focus + .slider {
  box-shadow: 0 0 0.0625rem var(--color-secondary);
}

input:checked + .slider:before {
  transform: translateX(1.25rem);
}

main {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1rem;
}

span {
  display: inline-block;
}

strong {
  font-weight: bold;
}

.header-actions {
  align-items: center;
  display: flex;
}

.header-actions > button {
  border-radius: 0.125rem;
  color: var(--color-white);
  padding: 0.25rem;
  transition: 0.4s;
}

.header-actions > button:focus,
.header-actions > button:hover {
  background-color: var(--color-white);
  color: var(--color-secondary);
}

.header-title {
  font-size: 1rem;
}

.contribute,
.help {
  align-items: center;
  display: flex;
  font-size: 0.875rem;
  justify-content: space-between;
}

.contribute > a,
.help > a {
  color: var(--color-secondary);
  padding: 0.25rem;
  transition: 0.4s;
}

.contribute > a:focus,
.contribute > a:hover,
.help > a:focus,
.help > a:hover {
  background-color: var(--color-secondary);
  border-radius: 0.125rem;
  color: var(--color-white);
  outline: none;
}

.rating {
  align-items: center;
  display: flex;
  font-size: 0.875rem;
  justify-content: space-between;
}

.rating-actions {
  align-items: center;
  display: flex;
}

.rating-actions > button {
  margin-left: 1rem;
}

.switch {
  display: inline-block;
  flex-shrink: 0;
  height: 1.25rem;
  margin-left: 0.75rem;
  position: relative;
  width: 2.5rem;
}

.switch input {
  height: 0;
  opacity: 0;
  width: 0;
}

.switch-label {
  cursor: pointer;
  display: flex;
  font-size: 0.875rem;
  justify-content: space-between;
}

.switch-label > span {
  line-height: 1.25rem;
}

.slider {
  background-color: var(--color-tertiary);
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: 0.4s;
}

.slider:before {
  background-color: var(--color-white);
  bottom: 0.25rem;
  content: '';
  height: 0.75rem;
  left: 0.25rem;
  position: absolute;
  transition: 0.4s;
  width: 0.75rem;
}

#like,
#unlike {
  color: var(--color-secondary);
  cursor: pointer;
  padding: 0.25rem;
  transition: 0.4s;
}

#like:focus,
#like:hover {
  color: var(--color-success);
}

#negative,
#positive {
  background-color: var(--color-secondary);
  border-radius: 0.125rem;
  color: var(--color-white);
  font-size: 0.75rem;
  line-height: 1rem;
  margin-bottom: 0;
  margin-top: 1rem;
  padding: 1rem;
}

#unlike:focus,
#unlike:hover {
  color: var(--color-error);
}