@import url("/tokens.css");

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--color-paper);
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-body);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
}

a {
  color: inherit;
}

a:focus-visible,
summary:focus-visible,
pre:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
  min-width: 0;
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--text-display);
}

h2 {
  font-size: var(--text-lg);
}

.masthead,
.footer,
.page-shell {
  width: min(100%, 90rem);
  margin-inline: auto;
  padding-inline: clamp(var(--space-md), 4vw, var(--space-2xl));
}

.masthead {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.wordmark,
.masthead__back {
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.masthead__back {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.masthead__set {
  display: none;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.page-shell {
  padding-block: clamp(var(--space-xl), 7vw, var(--space-3xl));
}

.catalogue-head {
  max-width: 52rem;
  display: grid;
  gap: var(--space-lg);
}

.catalogue-head > p,
.form-head > p {
  margin: 0;
  max-width: 68ch;
}

.catalogue-head__count,
.form-head__identity {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.status-note {
  width: fit-content;
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-tight);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.status-note--verified {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.catalogue {
  margin: var(--space-2xl) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--rule-thin) solid var(--color-rule);
}

.catalogue__item {
  min-width: 0;
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.form-link {
  min-height: 11rem;
  display: grid;
  align-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  text-decoration: none;
  transition: transform var(--dur-micro) var(--ease-out);
}

.form-link:active {
  transform: translateY(1px);
}

.form-link__kind {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.form-link__title,
.form-link__version {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.form-link__version {
  font-family: var(--font-mono);
}

.form-page {
  display: grid;
  gap: var(--space-3xl);
}

.form-page > *,
.form-head,
.locator {
  min-width: 0;
}

.form-head {
  display: grid;
  gap: var(--space-lg);
}

.form-head__description {
  font-size: var(--text-md);
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
  border-block: var(--rule-thin) solid var(--color-rule);
  padding-block: var(--space-sm);
}
.page-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  text-underline-offset: 0.2em;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--rule-thin) solid var(--color-rule);
}

.datum {
  min-width: 0;
  padding-block: var(--space-md);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.datum dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.datum dd {
  margin: var(--space-xs) 0 0;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.form-section {
  display: grid;
  gap: var(--space-xl);
}

.split-section {
  grid-template-columns: minmax(0, 1fr);
}

.split-section > div {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
}

.spec-table,
.locator dl {
  margin: 0;
  border-top: var(--rule-thin) solid var(--color-rule);
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xs);
  padding-block: var(--space-md);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.spec-row dd {
  margin: 0;
  max-width: 68ch;
}

.field-meta {
  display: block;
  color: var(--color-muted);
  font-size: var(--text-sm);
  margin-block-start: var(--space-xs);
}
.history {
  margin-block-start: var(--space-3xl);
}
.field-constraints {
  margin-block: var(--space-sm) 0;
  padding-inline-start: var(--space-lg);
  overflow-wrap: anywhere;
}
.detail-grid {
  margin: 0;
}
pre {
  min-width: 0;
  max-width: 100%;
  overflow: auto;
  max-height: 36rem;
  padding: var(--space-lg);
  background: var(--color-paper-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
pre code {
  display: block;
  min-width: 0;
}
details:not([open]) > :not(summary) {
  display: none;
}
summary {
  cursor: pointer;
  padding-block: var(--space-md);
  font-weight: 600;
}
summary:hover {
  color: var(--color-accent);
}
details {
  border-block: var(--rule-thin) solid var(--color-rule);
}
.skip-link {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-paper);
  transform: translateY(-200%);
  z-index: 10;
}
.skip-link:focus {
  transform: none;
}

.plain-list,
.interface-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule-thin) solid var(--color-rule);
}

.plain-list li,
.interface-list li {
  padding-block: var(--space-sm);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.interface-list li {
  display: grid;
  gap: var(--space-xs);
}

.interface-list span {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  overflow-wrap: anywhere;
}

.locator {
  padding: clamp(var(--space-lg), 5vw, var(--space-2xl));
  background: var(--color-paper-2);
  display: grid;
  gap: var(--space-xl);
}

.source-link {
  width: fit-content;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 600;
  text-underline-offset: var(--space-2xs);
  white-space: nowrap;
}

.footer {
  min-height: 7rem;
  padding-block: var(--space-lg);
  border-top: var(--rule-thin) solid var(--color-rule);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

@media (hover: hover) and (pointer: fine) {
  .form-link:hover .form-link__kind,
  .source-link:hover,
  .masthead__back:hover {
    color: var(--color-accent);
  }
}

@media (min-width: 40rem) {
  .masthead__set {
    display: inline;
  }

  .catalogue {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalogue__item:nth-child(odd) {
    border-inline-end: var(--rule-thin) solid var(--color-rule);
    padding-inline-end: var(--space-lg);
  }

  .catalogue__item:nth-child(even) {
    padding-inline-start: var(--space-lg);
  }

  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .datum:nth-child(odd) {
    padding-inline-end: var(--space-lg);
  }

  .datum:nth-child(even) {
    padding-inline-start: var(--space-lg);
    border-inline-start: var(--rule-thin) solid var(--color-rule);
  }

  .spec-row {
    grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
    gap: var(--space-xl);
  }

  .split-section {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-2xl);
  }

  .footer {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 60rem) {
  .catalogue {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .catalogue__item,
  .catalogue__item:nth-child(odd),
  .catalogue__item:nth-child(even) {
    padding-inline: var(--space-lg);
    border-inline-end: var(--rule-thin) solid var(--color-rule);
  }

  .catalogue__item:nth-child(4n + 1) {
    padding-inline-start: 0;
  }

  .catalogue__item:nth-child(4n) {
    padding-inline-end: 0;
    border-inline-end: 0;
  }
}

@media (pointer: coarse) {
  .form-link,
  .source-link,
  .masthead__back {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
}