:root {
  --foreground-color: #333;
  --background-color: #fff;
  --border-color: #ced4da;
  --link-color: #e95420;
  --title-color: #e95420;
  --spinner-foreground-color: #e95420;
  --spinner-background-color: #e9542080;
  --highlight-color: #e9542040;
  --spacing: 12px;
}

:any-link {
  color: var(--link-color);
  text-decoration: none;
  filter: brightness(1);
  transition: all 100ms ease-in 50ms;
}

:any-link:hover,
:any-link:active {
  filter: brightness(.8);
  text-decoration: underline;
}

html,
body {
  box-sizing: content-box;
  margin: 0;
  padding: 0
}

body {
  color: var(--foreground-color);
  background-color: var(--background-color);
  font-family: Ubuntu, sans-serif;
  font-weight: 300;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.75rem;
}

h1,
h2,
h3 {
  font-weight: 800;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

summary,
button {
  cursor: pointer;
}

button {
  color: var(--foreground-color);
  background-color: var(--background-color);
  padding: 6px;
}

button:active {
  filter: invert(1);
}

input[type="search"] {
  font-size: 100%;
}

#header :any-link:hover,
#header :any-link:active {
  filter: none;
  text-decoration: none;
}

#header h1 {
  margin: 0;
  line-height: 0;
}

#logo {
  display: block;
  margin: 0 auto;
  height: 96px;
}

#search-form {
  display: flex;
}

#search-form input {
  z-index: 999;
  border: 1px solid var(--border-color);
  border-top-left-radius: calc(var(--spacing) / 2);
  border-bottom-left-radius: calc(var(--spacing) / 2);
  padding: calc(var(--spacing) / 2);
  width: 100%;
}

#search-form input:focus-visible {
  outline: 2px solid var(--highlight-color);
}

#search-form button {
  width: 32px;
  aspect-ratio: 1;
  line-height: 0;
  border: 1px solid var(--border-color);
  border-left: none;
  border-top-right-radius: calc(var(--spacing) / 2);
  border-bottom-right-radius: calc(var(--spacing) / 2);
}

#search-form button img {
  height: 100%;
  aspect-ratio: 1;
}

#content h1 {
  color: var(--title-color);
}

.no-js #content,
.no-js #search-form {
  display: none;
}