/* moonproto documentation site.
   One stylesheet for every page: tokens, chrome, home, docs, reference,
   playground. Light first, dark by preference or by toggle. */

:root {
  --paper: #f4f1e9;
  --paper-2: #ece6d8;
  --paper-3: #e3dccb;
  --ink: #16181d;
  --ink-2: #34373f;
  --muted: #6d6a61;
  --rule: #d7d0bf;
  --rule-strong: #b9b19d;
  --accent: #c2410c;
  --accent-ink: #8f2f08;
  --accent-soft: #f6e2d5;
  --code-bg: #171a1f;
  --code-ink: #e9e4d7;
  --code-muted: #8c887c;
  --tag: #ff8a4c;
  --len: #f0b27a;
  --val: #9aa4b2;
  --ok: #2f6f4f;
  --shadow: 0 1px 0 rgba(22, 24, 29, .06), 0 18px 40px -28px rgba(22, 24, 29, .45);
  --sans: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --gutter: clamp(20px, 4vw, 56px);
  --measure: 68ch;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #101216;
  --paper-2: #171a1f;
  --paper-3: #1e2229;
  --ink: #f1ede2;
  --ink-2: #cfc9bb;
  --muted: #948e80;
  --rule: #2b2f37;
  --rule-strong: #3d434d;
  --accent: #f97316;
  --accent-ink: #ffab73;
  --accent-soft: #2a1c13;
  --code-bg: #0b0d11;
  --code-ink: #ece7da;
  --shadow: 0 1px 0 rgba(0, 0, 0, .5), 0 24px 50px -30px rgba(0, 0, 0, .9);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #101216;
    --paper-2: #171a1f;
    --paper-3: #1e2229;
    --ink: #f1ede2;
    --ink-2: #cfc9bb;
    --muted: #948e80;
    --rule: #2b2f37;
    --rule-strong: #3d434d;
    --accent: #f97316;
    --accent-ink: #ffab73;
    --accent-soft: #2a1c13;
    --code-bg: #0b0d11;
    --code-ink: #ece7da;
    --shadow: 0 1px 0 rgba(0, 0, 0, .5), 0 24px 50px -30px rgba(0, 0, 0, .9);
    color-scheme: dark;
  }
}

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

/* Anything that is clicked rather than read refuses selection, so a drag on a
   tab or a rail item never turns into a half-copied line. Prose, code and
   output keep the default. */
.chrome,
.nav,
.chrome-links,
.rail,
.toc,
.pager,
.card,
.samples,
.play-tabs,
.sym > summary,
button,
.btn,
.pill-link {
  -webkit-user-select: none;
  user-select: none;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  font-variant-ligatures: no-contextual;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
button,
input,
select,
textarea {
  font-variant-ligatures: no-contextual;
}

h1,
h2,
h3,
h4 {
  font-family: var(--sans);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0 0 1.05em;
  text-wrap: pretty;
}

a {
  color: var(--accent-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

code,
kbd,
pre,
samp {
  font-family: var(--mono);
  font-size: 0.86em;
}

::selection {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- page scrollbar: hidden at the top, present once scrolled ---- */

@supports selector(::-webkit-scrollbar) {
  html::-webkit-scrollbar {
    width: 11px;
    height: 11px;
  }
  html::-webkit-scrollbar-track {
    background: transparent;
  }
  html::-webkit-scrollbar-thumb {
    border-radius: 99px;
    border: 3px solid transparent;
    background-clip: content-box;
    background-color: color-mix(in srgb, var(--ink) 26%, transparent);
  }
  html.at-top::-webkit-scrollbar-thumb {
    background: transparent;
  }
  html::-webkit-scrollbar-thumb:hover {
    background-color: color-mix(in srgb, var(--accent) 60%, transparent);
  }
}

@supports not selector(::-webkit-scrollbar) {
  html {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--ink) 26%, transparent) transparent;
  }
  html.at-top {
    scrollbar-color: transparent transparent;
  }
}

/* inner scroll areas: thin, faint until hovered */

.scroll {
  scrollbar-width: none;
}

@supports selector(::-webkit-scrollbar) {
  .scroll::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  .scroll::-webkit-scrollbar-track {
    background: transparent;
  }
  .scroll::-webkit-scrollbar-thumb {
    border-radius: 99px;
    border: 2px solid transparent;
    background-clip: content-box;
    background-color: color-mix(in srgb, var(--ink) 14%, transparent);
  }
  .scroll:hover::-webkit-scrollbar-thumb {
    background-color: color-mix(in srgb, var(--ink) 34%, transparent);
  }
}

/* ---- header ---- */

header.chrome {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.chrome-in {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.brand svg {
  width: 26px;
  height: 26px;
  color: var(--accent);
  flex: none;
}

.nav {
  display: flex;
  gap: 4px;
  margin-left: 8px;
}

.nav a {
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: 7px 11px;
  border-radius: 7px;
}

.nav a:hover {
  background: var(--paper-2);
  color: var(--ink);
}

.nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--paper-2);
}

.chrome-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  gap: 7px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-2);
  text-decoration: none;
  padding: 7px 11px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
}

.pill-link svg {
  width: 15px;
  height: 15px;
  flex: none;
}

.pill-link:hover {
  border-color: var(--rule-strong);
  color: var(--ink);
  background: var(--paper-2);
}

.theme-toggle {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-2);
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--rule-strong);
  color: var(--ink);
}

/* ---- shared page frame ---- */

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 20px;
  padding: 0 5px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
}

.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}

/* ---- home: hero ---- */

.hero {
  padding: clamp(48px, 7vw, 92px) 0 clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(40px, 5.4vw, 66px);
  margin: 14px 0 0;
}

.hero h1 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.hero .lede {
  font-size: 19px;
  color: var(--ink-2);
  max-width: 34ch;
  margin: 18px 0 26px;
}

.install {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 10px;
  background: var(--paper-2);
  padding: 10px 12px 10px 14px;
  font-family: var(--mono);
  font-size: 13px;
  max-width: 100%;
}

.install .prompt {
  color: var(--muted);
  user-select: none;
}

.install code {
  font-size: 13px;
  overflow-x: auto;
  white-space: nowrap;
}

.copy {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 5px;
  display: grid;
  place-items: center;
}

.copy:hover {
  color: var(--accent);
  background: var(--paper-3);
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1;
  padding: 12px 16px;
  border-radius: 9px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--accent);
  color: #fff;
}

.btn-ghost {
  border-color: var(--rule-strong);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--paper-2);
  color: var(--ink);
}

/* the decode strip: source -> bytes -> fields */

.strip {
  min-width: 0;
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  background: var(--paper-2);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.strip-pane {
  padding: 12px 14px;
}

.strip-pane + .strip-pane {
  border-top: 1px dashed var(--rule-strong);
}

.strip-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.strip pre {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  overflow-x: auto;
  color: var(--code-ink);
  background: var(--code-bg);
  border-radius: 8px;
  padding: 10px 12px;
}

.strip pre .k {
  color: var(--tag);
}

.strip pre .s {
  color: #9ecf9e;
}

.strip pre .n {
  color: #8fb4ea;
}

.k {
  color: var(--accent-ink);
}

.s {
  color: #2f6f4f;
}

.n {
  color: #2c4f8f;
}

:root[data-theme="dark"] .s {
  color: #7fc39b;
}

:root[data-theme="dark"] .n {
  color: #8fb4ea;
}

.bytes {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.bytes .t {
  color: var(--accent);
  font-weight: 500;
}

.bytes .l {
  color: #a1731f;
}

.bytes .v {
  color: var(--muted);
}

:root[data-theme="dark"] .bytes .l {
  color: var(--len);
}

.fields {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
}

.fields td {
  padding: 3px 0;
  vertical-align: top;
}

.fields td:first-child {
  color: var(--muted);
  width: 34%;
}

.fields td:last-child {
  text-align: right;
}

/* ---- home: numbers ---- */

.numbers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.number {
  padding: 22px 0 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.number + .number {
  border-left: 1px solid var(--rule);
  padding-left: 26px;
}

.number b {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.number span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* ---- home: sections ---- */

.section {
  padding: clamp(44px, 6vw, 84px) 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
}

.section-head p {
  color: var(--muted);
  max-width: 46ch;
  margin: 0;
}

.encodings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pane {
  border: 1px solid var(--rule);
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper-2);
  display: flex;
  flex-direction: column;
}

.pane-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.pane-head .tag {
  min-width: 18px;
  height: 17px;
  font-size: 10px;
}

.pane pre {
  margin: 0;
  padding: 14px;
  background: var(--code-bg);
  color: var(--code-ink);
  font-size: 12.5px;
  line-height: 1.75;
  overflow-x: auto;
  flex: 1;
}

.pane pre .c {
  color: var(--code-muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 20px;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .15s ease, background .15s ease;
}

.card:hover {
  border-color: var(--rule-strong);
  background: var(--paper-2);
}

.card .glyph {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-ink);
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 3px 7px;
  align-self: flex-start;
  margin-bottom: 4px;
}

.card h3 {
  font-size: 19px;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.55;
}

/* ---- home: playground teaser ---- */

.teaser {
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  padding: clamp(22px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(20px, 4vw, 48px);
  align-items: center;
}

.teaser h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  margin-bottom: 12px;
}

.teaser p {
  color: var(--ink-2);
  margin-bottom: 20px;
}

.mini {
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  background: var(--code-bg);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.85;
  color: var(--code-ink);
  padding: 14px 16px;
  white-space: pre;
  overflow-x: auto;
}

/* ---- footer ---- */

footer.site {
  border-top: 1px solid var(--rule);
  padding: 40px 0 56px;
  margin-top: 24px;
}

.foot {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
}

.foot .brand {
  font-size: 17px;
}

.foot p {
  color: var(--muted);
  font-size: 14px;
  max-width: 40ch;
  margin: 10px 0 0;
}

.foot-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

.foot-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.foot-col b {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.foot-col a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 14.5px;
  font-family: var(--sans);
}

.foot-col a:hover {
  color: var(--accent);
}

/* ---- docs layout ---- */

.docs {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 208px;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  padding-block: 34px 90px;
}

.rail {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 108px);
  overflow-y: auto;
  padding-right: 6px;
  font-family: var(--sans);
  font-size: 14px;
}

.rail-group {
  margin-bottom: 22px;
}

.rail-group > b {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.rail a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  color: var(--ink-2);
  text-decoration: none;
  padding: 4px 0 4px 10px;
  border-left: 2px solid transparent;
  line-height: 1.45;
}

.rail a:hover {
  color: var(--ink);
  border-left-color: var(--rule-strong);
}

.rail a[aria-current="true"] {
  color: var(--ink);
  border-left-color: var(--accent);
  font-weight: 500;
}

.rail a .n {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  min-width: 12px;
}

.prose {
  max-width: var(--measure);
  min-width: 0;
}

.prose h1 {
  font-size: clamp(32px, 4vw, 44px);
  margin-bottom: 12px;
}

.prose .lede {
  font-size: 19px;
  color: var(--ink-2);
  margin-bottom: 30px;
}

.prose h2 {
  font-size: 27px;
  margin: 46px 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.prose h3 {
  font-size: 19px;
  margin: 28px 0 8px;
  letter-spacing: -0.01em;
}

.prose p,
.prose li {
  color: var(--ink-2);
}

.prose ul,
.prose ol {
  padding-left: 22px;
  margin: 0 0 1.1em;
}

.prose li {
  margin-bottom: 6px;
}

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

.prose :not(pre) > code {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0.1em 0.36em;
  font-size: 0.85em;
  overflow-wrap: anywhere;
}

.codeblock {
  margin: 16px 0 22px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  background: var(--code-bg);
}

.codeblock .bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--code-ink) 12%, transparent);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--code-muted);
}

.codeblock .bar .tag {
  background: color-mix(in srgb, var(--tag) 22%, transparent);
  color: var(--tag);
  min-width: 18px;
  height: 16px;
  font-size: 9.5px;
}

.codeblock .bar .grow {
  flex: 1;
}

.codeblock pre {
  margin: 0;
  padding: 14px 16px;
  color: var(--code-ink);
  font-size: 12.8px;
  line-height: 1.78;
  overflow-x: auto;
  white-space: pre;
}

.codeblock pre .c {
  color: var(--code-muted);
}

.codeblock pre .k {
  color: var(--tag);
}

.codeblock pre .s {
  color: #9ecf9e;
}

.codeblock pre .n {
  color: #8fb4ea;
}

.output {
  margin: 0 0 24px;
  border-left: 2px solid var(--rule-strong);
  padding: 2px 0 2px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
  white-space: pre;
  overflow-x: auto;
}

.output b {
  color: var(--ink);
  font-weight: 500;
}

.note {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--paper-2);
  padding: 12px 16px;
  margin: 20px 0;
  font-size: 15.5px;
  color: var(--ink-2);
}

.note b {
  font-family: var(--sans);
  color: var(--ink);
}

.toc {
  position: sticky;
  top: 88px;
  font-family: var(--sans);
  font-size: 13.5px;
}

.toc b {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 10px;
}

.toc a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 3px 0;
}

.toc a:hover {
  color: var(--ink);
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 54px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 14px;
}

.pager a {
  text-decoration: none;
  color: var(--ink);
}

.pager span {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

/* ---- api reference ---- */

.api {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding-block: 34px 90px;
  align-items: start;
}

#pkg-wire,
section[id^="pkg-"] {
  padding-top: 8px;
}

section[id^="pkg-"] + section[id^="pkg-"] {
  margin-top: 44px;
  border-top: 1px solid var(--rule);
  padding-top: 32px;
}

.pkg-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.pkg-title h1 {
  font-size: 34px;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.pkg-path {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 26px;
}

.sym {
  border: 1px solid var(--rule);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--paper);
}

.sym > summary {
  list-style: none;
  cursor: pointer;
  padding: 9px 13px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.sname {
  flex: none;
}

.sdoc {
  min-width: 0;
  flex: 1;
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sym > summary::-webkit-details-marker {
  display: none;
}

.sym > summary:hover {
  background: var(--paper-2);
}

.kind {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--paper-2);
  color: var(--muted);
  border: 1px solid var(--rule);
  flex: none;
}

.kind.fn {
  color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--rule));
  background: var(--accent-soft);
}

.sym-body {
  padding: 0 14px 14px 14px;
  font-size: 15.5px;
  color: var(--ink-2);
}

.sym-body p {
  margin: 0 0 10px;
}

.sig {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 10px 12px;
  border-radius: 8px;
  overflow-x: auto;
  white-space: pre;
  margin: 0 0 12px;
}

/* ---- playground ---- */

.play {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  padding: 30px 0 80px;
}

.play .pane pre {
  min-height: 260px;
}

.play-tabs {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.play-tabs button {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 3px 8px;
  border-radius: 5px;
  cursor: pointer;
}

.play-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--paper-3);
  border-color: var(--rule);
}

.samples {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.samples button {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-2);
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.samples button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent-soft);
}

/* ---- playground head ---- */

.play-head {
  max-width: 60ch;
  padding: 42px 0 0;
}

.play-head h1 {
  font-size: clamp(32px, 4vw, 46px);
  margin: 12px 0;
}

.play-head p {
  margin: 0;
  color: var(--ink-2);
  font-size: 18px;
}

.play-bar {
  padding-top: 26px;
}

.play-note {
  max-width: 68ch;
  padding: 0 0 40px;
}

.play-note p {
  color: var(--ink-2);
}

/* ---- small screens ---- */

@media (width <= 1040px) {
  .docs,
  .api {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .encodings {
    grid-template-columns: minmax(0, 1fr);
  }
  .teaser {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (width <= 780px) {
  .nav {
    display: none;
  }
  .docs,
  .api {
    grid-template-columns: minmax(0, 1fr);
  }
  .rail {
    position: static;
    max-height: none;
    display: flex;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .rail-group {
    margin: 0;
    min-width: max-content;
  }
  .numbers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .number:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }
  .number:nth-child(n + 3) {
    border-top: 1px solid var(--rule);
  }
  .cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .play {
    grid-template-columns: minmax(0, 1fr);
  }
  .chrome-links .pill-link span {
    display: none;
  }
  .chrome-links .pill-link {
    padding: 8px;
  }
}