html {
  background: var(--fp-bg);
  color: var(--fp-text);
  font-family: var(--fp-font-sans);
}

::selection {
  background: var(--fp-select);
}

.fp-skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: var(--fp-on-accent);
  background: var(--fp-accent);
  border-radius: var(--fp-radius-sm);
  transform: translateY(-200%);
}

.fp-skip-link:focus {
  transform: translateY(0);
}

.fp-shell-header {
  min-height: var(--fp-header-h);
  color: var(--fp-text);
  background: var(--fp-surface);
  border-bottom: 1px solid var(--fp-border);
  font-size: var(--fp-size-base);
  line-height: var(--fp-leading);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.fp-product-nav [hidden] {
  display: none !important;
}

.fp-product-bar {
  display: flex;
  min-height: var(--fp-header-h);
  align-items: center;
  gap: var(--fp-gutter);
  padding: 0 var(--fp-gutter);
}

.fp-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--fp-text-strong);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.fp-brand-mark {
  width: 24px;
  height: 24px;
  background: center / contain no-repeat url("./assets/logo-original.png");
}

.fp-menu-button {
  display: none;
  margin-left: auto;
}

.fp-current-site,
.fp-current-site > span {
  display: none;
}

:root[data-fp-active="site"] [data-fp-current="site"],
:root[data-fp-active="spec"] [data-fp-current="spec"],
:root[data-fp-active="play"] [data-fp-current="play"],
:root[data-fp-active="docs"] [data-fp-current="docs"] {
  display: inline;
}

.fp-product-nav {
  display: flex;
  align-items: stretch;
  gap: var(--fp-gutter);
  margin-left: auto;
}

.fp-product-nav a {
  display: inline-flex;
  align-items: center;
  color: var(--fp-text-muted);
  border-bottom: 2px solid transparent;
  font-size: var(--fp-size-xs);
  font-weight: 500;
  text-decoration: none;
}

.fp-product-nav a:hover {
  color: var(--fp-accent);
}

:root[data-fp-active="site"] [data-fp-nav="site"],
:root[data-fp-active="spec"] [data-fp-nav="spec"],
:root[data-fp-active="play"] [data-fp-nav="play"],
:root[data-fp-active="docs"] [data-fp-nav="docs"] {
  color: var(--fp-accent);
  border-bottom-color: var(--fp-accent);
}

.fp-shell-footer {
  box-sizing: border-box;
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: flex-end;
  gap: var(--fp-gutter);
  padding: 0 var(--fp-gutter);
  color: var(--fp-text-muted);
  background: var(--fp-bg);
  border-top: 1px solid var(--fp-border);
  font-family: var(--fp-font-sans);
  font-size: 11px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: normal;
  white-space: nowrap;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.fp-shell-footer a {
  color: inherit;
  text-decoration: none;
}

.fp-shell-footer a:hover {
  color: var(--fp-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.fp-theme-toggle {
  align-self: center;
  margin-inline-start: 6px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 90px;
  flex-shrink: 0;
  font-size: calc(var(--fp-size-sm) * 0.8);
  line-height: 1.2;
  white-space: nowrap;
}

.fp-icon-menu {
  display: block;
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.fp-icon-github {
  display: block;
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.fp-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 60em) {
  .fp-product-bar {
    flex-wrap: wrap;
  }

  :root[data-fp-shell-js] .fp-menu-button {
    display: inline-flex;
  }

  .fp-current-site {
    display: inline;
    color: var(--fp-text-muted);
    font-size: var(--fp-size-xs);
  }

  .fp-product-nav {
    flex-basis: calc(100% + 2 * var(--fp-gutter));
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    margin: 0 calc(-1 * var(--fp-gutter));
    padding: 0 var(--fp-gutter) 0.75rem;
  }

  :root[data-fp-shell-js] .fp-product-nav {
    display: none;
  }

  :root[data-fp-shell-js] .fp-product-nav[data-open] {
    display: flex;
  }

  .fp-product-nav a,
  .fp-product-nav .fp-theme-toggle {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fp-skip-link {
    transition: none;
  }
}