/*
 * The docs' styles. The look follows the Zero docs
 * (https://github.com/rocicorp/zero-docs, Apache License 2.0): their color
 * tokens, the sizes of their navbar, sidebar, table of contents and notes, and
 * the typography of their Tailwind prose, written here as plain CSS. Changed
 * for threads: no Tailwind, system fonts, its own accent and logo.
 */

:root {
  --background: 0 0% 100%;
  --foreground: 240 10% 3.9%;
  --primary: 240 5.9% 10%;
  --muted: 240 4.8% 95.9%;
  --muted-foreground: 240 3.8% 46.1%;
  --accent: 240 4.8% 95.9%;
  --border: 240 5.9% 85%;
  --input: 240 5.9% 90%;
  --radius: 0.5rem;
  /* dark enough for small text: 5.3:1 on inline code's background */
  --highlight: 199 89% 32%;

  --prose-body: #3f3f46;
  --prose-headings: #18181b;
  --prose-links: #18181b;
  --prose-bold: #18181b;
  --prose-counters: #71717a;
  --prose-bullets: #d4d4d8;
  --prose-hr: #e4e4e7;
  --prose-th-borders: #d4d4d8;
  --prose-td-borders: #e4e4e7;
  --code-background: #f5f5f5;
  --code-foreground: #404040;
  --menu-foreground: #262626;
  /* opaque, for small text: 4.7:1 on white */
  --toc-foreground: rgb(115 115 115);

  --note-background: #eff6ff;
  --note-border: #bfdbfe;
  --warning-background: #fefce8;
  --warning-border: #fef08a;

  --font-regular:
    system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    sans-serif;
  --font-code:
    ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono',
    monospace;

  color-scheme: light;
}

:root.dark {
  --background: 0 0% 0%;
  --foreground: 0 0% 98%;
  --primary: 0 0% 98%;
  --muted: 240 3.7% 15.9%;
  --muted-foreground: 240 5% 64.9%;
  --accent: 240 3.7% 15.9%;
  --border: 240 3.7% 20%;
  --input: 240 3.7% 15.9%;
  --highlight: 199 89% 62%;

  --prose-body: #d4d4d8;
  --prose-headings: #fff;
  --prose-links: #fff;
  --prose-bold: #fff;
  --prose-counters: #a1a1aa;
  --prose-bullets: #52525b;
  --prose-hr: #3f3f46;
  --prose-th-borders: #52525b;
  --prose-td-borders: #3f3f46;
  --code-background: #171717;
  --code-foreground: #d4d4d4;
  --menu-foreground: rgb(212 212 212 / 85%);
  --toc-foreground: rgb(212 212 212 / 85%);

  --note-background: #111827;
  --note-border: #1f2937;
  --warning-background: #422006;
  --warning-border: #713f12;

  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border: 0 solid hsl(var(--border));
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-regular);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  cursor: pointer;
  padding: 0;
}

svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

:focus-visible {
  outline: 2px solid hsl(var(--highlight));
  outline-offset: 2px;
}

/* the page's background on the accent: white in light mode, black in dark */
mark {
  color: hsl(var(--background));
  border-radius: 0.25rem;
  padding: 0 0.15rem;
  background-color: hsl(var(--highlight));
  font-weight: 500;
}

/* The navbar */

.inner-docs-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem;
  height: 72px;
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 0.5rem;
  background: hsl(var(--background) / 75%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: calc(var(--radius) - 2px);
}

.icon-button:hover {
  background: hsl(var(--accent));
}

.icon-button svg {
  width: 1.25rem;
  height: 1.25rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: center;
  text-decoration: none;
  color: hsl(var(--foreground));
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  stroke-width: 2.6;
}

.logo-accent {
  stroke: hsl(var(--highlight));
}

.logo-text {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-docs {
  font-size: 1.375rem;
  font-weight: 400;
  color: hsl(var(--muted-foreground));
  letter-spacing: -0.02em;
}

.nav-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.nav-link {
  display: none;
  font-size: 0.875rem;
  text-decoration: none;
  color: hsl(var(--muted-foreground));
}

.nav-link:hover {
  color: hsl(var(--foreground));
}

.search-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.5rem;
  padding: 0 0.625rem;
  border-radius: calc(var(--radius) - 2px);
  color: hsl(var(--muted-foreground));
}

.search-trigger svg {
  width: 1.125rem;
  height: 1.125rem;
  color: hsl(var(--foreground));
}

.search-trigger:hover {
  background: hsl(var(--accent));
}

.search-placeholder,
.search-kbd {
  display: none;
}

kbd {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  height: 1.25rem;
  padding: 0 0.375rem;
  border: 1px solid hsl(var(--border));
  border-radius: 0.25rem;
  background: hsl(var(--muted));
  font-family: var(--font-regular);
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

@media (min-width: 768px) {
  .inner-docs-nav {
    grid-template-columns: auto 1fr;
    padding: 0 2rem;
  }

  .menu-button {
    display: none;
  }

  .logo {
    justify-self: start;
  }

  .nav-link {
    display: inline;
  }

  .search-trigger {
    width: 14rem;
    border-width: 1px;
    background: hsl(var(--background));
    font-size: 0.875rem;
  }

  .search-trigger:hover {
    background: hsl(var(--background));
    border-color: hsl(var(--foreground) / 30%);
  }

  .search-placeholder {
    display: inline;
    flex: 1;
    text-align: left;
  }

  .search-kbd {
    display: inline-flex;
  }
}

/* The page: sidebar, content and table of contents */

.layout {
  display: flex;
  align-items: flex-start;
  gap: 3.5rem;
  width: 100%;
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 1rem;
}

.leftbar {
  display: none;
  position: sticky;
  top: 4rem;
  flex: none;
  width: 230px;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  scrollbar-width: none;
  padding: 1rem 0.5rem 0 0;
}

/* the sidebar's and the table of contents' scrollbars show on hover, as the
   Zero docs' scroll areas do */
.leftbar:hover,
.toc:hover {
  scrollbar-width: thin;
}

.doc {
  flex: 3;
  min-width: 0;
  padding: 2.5rem 0 0;
}

.toc {
  display: none;
  position: sticky;
  top: 4rem;
  flex: none;
  width: 230px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  scrollbar-width: none;
  padding: 2rem 0 1rem 0.5rem;
}

@media (min-width: 640px) {
  .layout {
    padding: 0 2rem;
  }
}

@media (min-width: 768px) {
  .leftbar {
    display: block;
  }
}

@media (min-width: 1024px) {
  .toc {
    display: block;
  }
}

/* The sidebar's menu */

.docs-menu {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 1.25rem;
  padding-bottom: 1.5rem;
}

.menu-section summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.menu-section summary::-webkit-details-marker {
  display: none;
}

.menu-section h4 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--primary));
}

.menu-section .chevron {
  width: 0.9rem;
  height: 0.9rem;
  margin-right: 0.875rem;
  transition: transform 0.15s ease-out;
}

.menu-section[open] .chevron {
  transform: rotate(90deg);
}

.menu-section ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0.625rem 0 0 0.125rem;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--menu-foreground);
}

.menu-section a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
  transition: color 75ms ease-out;
}

.menu-section a:hover {
  color: hsl(var(--primary));
}

.menu-section a.active {
  color: hsl(var(--primary));
  font-weight: 600;
}

.menu-section .external {
  width: 0.875rem;
  height: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.footer-container {
  margin-top: 1.5rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

.footer-container .copyright {
  margin: 0 0 1rem;
}

.footer-text-link {
  text-decoration: none;
}

.footer-text-link:hover {
  color: hsl(var(--foreground));
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: hsl(var(--foreground) / 50%);
}

.social-links a:hover {
  color: hsl(var(--foreground));
}

.social-links svg {
  width: 1.25rem;
  height: 1.25rem;
}

.theme-toggle-group {
  display: flex;
  gap: 0.5rem;
  width: fit-content;
  margin-top: 1rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 4rem;
  color: hsl(var(--foreground) / 50%);
}

.theme-toggle svg {
  width: 0.8rem;
  height: 0.8rem;
}

.theme-toggle:hover {
  background: hsl(var(--accent));
  color: hsl(var(--foreground));
}

.theme-toggle.active,
.theme-toggle.active:hover {
  background: hsl(var(--foreground) / 50%);
  color: hsl(var(--background));
}

/* The table of contents */

.toc-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toc h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
}

.toc-links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin: 0 0 0 0.125rem;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--toc-foreground);
}

.toc-links a {
  display: block;
  padding-right: 0.5rem;
  text-decoration: none;
}

.toc-links a:hover {
  color: hsl(var(--primary));
}

.toc-links a.active {
  color: hsl(var(--foreground));
  font-weight: 500;
}

.toc-links .toc-level-3 {
  padding-left: 1rem;
}

.toc-divider {
  height: 1px;
  margin-top: 0.5rem;
  background: hsl(var(--input));
}

.edit-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  text-decoration: none;
  color: hsl(var(--muted-foreground));
}

.edit-link:hover {
  color: hsl(var(--foreground));
}

/* Previous and Next */

.pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 1.75rem 0;
}

.pagination-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  height: 100%;
  padding: 1rem;
  border-width: 1px;
  border-radius: calc(var(--radius) - 2px);
  text-decoration: none;
  transition: border-color 0.15s ease-out;
}

.pagination-card.next {
  align-items: flex-end;
  text-align: right;
}

.pagination-card:hover {
  border-color: hsl(var(--foreground) / 30%);
}

.pagination-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.pagination-title {
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .pagination {
    padding: 2.5rem 0;
  }
}

/* The page's text, as Tailwind's prose sets it */

.prose {
  max-width: none;
  color: var(--prose-body);
  font-size: 1rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.prose > :first-child {
  margin-top: 0;
}

.prose h1 {
  margin: -0.5rem 0 3rem;
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 800;
  color: var(--prose-headings);
}

.prose .description {
  margin-top: -2.5rem;
  font-size: 16.5px;
  color: hsl(var(--muted-foreground));
}

.prose h2 {
  margin: 2em 0 1em;
  font-size: 1.5em;
  line-height: 1.3333;
  font-weight: 700;
  color: var(--prose-headings);
}

.prose h3 {
  margin: 1.6em 0 0.6em;
  font-size: 1.25em;
  line-height: 1.6;
  font-weight: 600;
  color: var(--prose-headings);
}

.prose h4 {
  margin: 1.5em 0 0.5em;
  line-height: 1.5;
  font-weight: 600;
  color: var(--prose-headings);
}

.prose p {
  margin: 1.25em 0;
}

.prose a {
  color: var(--prose-links);
  font-weight: 400;
  text-decoration: underline;
}

.prose strong {
  color: var(--prose-bold);
  font-weight: 600;
}

.prose ul,
.prose ol {
  margin: 1.25em 0;
  padding-left: 1.625em;
}

.prose ul {
  list-style-type: disc;
}

.prose li {
  margin: 0.5em 0;
}

.prose li > p {
  margin: 0.75em 0;
}

.prose ul > li::marker {
  color: var(--prose-bullets);
}

.prose ol > li::marker {
  color: var(--prose-counters);
  font-weight: 400;
}

.prose hr {
  margin: 3em 0;
  border-top-width: 1px;
  border-color: var(--prose-hr);
}

.prose blockquote {
  margin: 1.6em 0;
  padding-left: 1em;
  border-left: 0.25rem solid var(--prose-hr);
  font-style: italic;
}

/* headings link to themselves */

.prose a.heading-link {
  position: relative;
  color: inherit;
  font-weight: inherit;
  text-decoration: none;
}

.prose h2 a.heading-link::after,
.prose h3 a.heading-link::after,
.prose h4 a.heading-link::after {
  content: '#';
  position: absolute;
  margin-left: 0.4em;
  color: hsl(var(--muted-foreground));
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.2s;
}

.prose a.heading-link:hover::after {
  opacity: 1;
}

/* code */

.prose code {
  padding: 0.25rem 0.3rem;
  border-radius: 0.5rem;
  background: var(--code-background);
  color: hsl(var(--highlight));
  font-family: var(--font-code);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5rem;
}

.prose h2 code,
.prose h3 code {
  font-size: 0.9em;
}

.prose pre {
  position: relative;
  margin: 1.7em 0;
  padding: 0;
  border-width: 1px;
  border-radius: 0.375rem;
  background: var(--code-background) !important;
  color: var(--code-foreground);
  font-size: 0.875em;
  line-height: 1.7;
}

.prose pre code {
  display: block;
  max-height: 630px;
  padding: 14px;
  overflow: auto;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-variant-ligatures: none;
}

.shiki span {
  color: var(--shiki-light);
}

.dark .shiki span {
  color: var(--shiki-dark);
}

.copy-button {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  z-index: 10;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: rgb(60 60 60);
  color: #fff;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.prose pre:hover .copy-button,
.copy-button:focus-visible {
  opacity: 1;
}

@media (hover: none) {
  .copy-button {
    opacity: 0.85;
  }
}

/* tables */

.table-wrapper {
  margin: 2em 0;
  overflow-x: auto;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875em;
  line-height: 1.7;
  text-align: left;
}

.prose thead {
  border-bottom: 1px solid var(--prose-th-borders);
}

.prose thead th {
  padding: 0 0.6em 0.6em;
  color: var(--prose-headings);
  font-weight: 600;
  vertical-align: bottom;
}

.prose tbody tr {
  border-bottom: 1px solid var(--prose-td-borders);
}

.prose tbody tr:last-child {
  border-bottom: 0;
}

.prose tbody td {
  padding: 0.6em;
  vertical-align: top;
}

.prose th:first-child,
.prose td:first-child {
  padding-left: 0;
}

.prose th:last-child,
.prose td:last-child {
  padding-right: 0;
}

/* a table of names and what they are, whose header is empty: the names get a
   third of the width */
.prose
  table:has(thead th:empty:first-child + th:empty:last-child)
  td:first-child {
  width: 34%;
}

/* on a phone, each name sits above what it is */
@media (max-width: 639px) {
  .prose table:has(thead th:empty:first-child + th:empty:last-child),
  .prose table:has(thead th:empty:first-child + th:empty:last-child) tbody,
  .prose table:has(thead th:empty:first-child + th:empty:last-child) tr,
  .prose table:has(thead th:empty:first-child + th:empty:last-child) td {
    display: block;
    width: auto;
  }

  .prose table:has(thead th:empty:first-child + th:empty:last-child) td {
    padding-left: 0;
    padding-right: 0;
  }

  .prose
    table:has(thead th:empty:first-child + th:empty:last-child)
    td:first-child {
    width: auto;
    padding-bottom: 0;
  }
}

/* a table whose header is empty (a list of names and what they are) */
.prose thead:has(th:empty:first-child + th:empty:last-child) {
  display: none;
}

/* notes */

.note {
  margin: 1.5em 0;
  padding: 0.875rem;
  border-width: 1px;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  scroll-margin-top: 5rem;
}

.note-note {
  background: var(--note-background);
  border-color: var(--note-border);
}

.note-warning {
  background: var(--warning-background);
  border-color: var(--warning-border);
}

.prose .note-heading {
  display: flex;
  align-items: center;
  margin: 0 0 1rem;
}

.prose .note-heading a.heading-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
}

.prose .note-body p {
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.prose .note-body > :last-child {
  margin-bottom: 0;
}

.prose .note code {
  color: inherit;
}

/* The phone's menu, a sheet from the left */

dialog {
  padding: 0;
  border: 0;
  color: hsl(var(--foreground));
  background: hsl(var(--background));
}

dialog::backdrop {
  background: rgb(0 0 0 / 80%);
}

.sheet {
  position: fixed;
  inset: 0 auto 0 0;
  width: 75%;
  max-width: 24rem;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 1.5rem 2rem;
  overflow-y: auto;
  border-right-width: 1px;
}

.sheet[open] {
  animation: slide-in 0.3s ease-out;
}

@keyframes slide-in {
  from {
    transform: translateX(-100%);
  }
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sheet-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

/* Search */

.search-dialog {
  width: calc(100vw - 2rem);
  max-width: 32rem;
  margin: 8rem auto auto;
  overflow: hidden;
  border-width: 1px;
  border-radius: var(--radius);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 25%);
}

.search-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.5rem 0 0.75rem;
  border-bottom-width: 1px;
}

.search-input-row > svg {
  opacity: 0.5;
}

.search-input-row input {
  flex: 1;
  min-width: 0;
  height: 2.75rem;
  border: 0;
  outline: none;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.875rem;
}

.search-input-row input::-webkit-search-cancel-button {
  display: none;
}

.search-results {
  max-height: min(60vh, 26rem);
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.search-results:empty {
  display: none;
}

.search-results a {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  font-size: 0.875rem;
}

.search-results a[aria-selected='true'] {
  background: hsl(var(--accent));
}

.search-result-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.search-result-title svg {
  color: hsl(var(--muted-foreground));
}

.search-result-snippet {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.6;
  color: hsl(var(--muted-foreground));
}

.search-empty {
  margin: 0;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}