/* ==========================================================================
   doc — the guide and the reference share a page frame
   ========================================================================== */

.doc-head {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(26px, 3.6vw, 44px);
}

.doc-head__meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.doc-head__meta .tag {
  display: flex;
  align-items: center;
  gap: 8px;
}

.doc-head__meta .tag + .tag::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--hot);
  transform: rotate(45deg);
  margin-right: 2px;
}

.doc-head__title {
  margin-top: 22px;
  font-size: clamp(44px, 7.4vw, 92px);
  line-height: 0.86;
  letter-spacing: -0.02em;
}

.doc-head__title em {
  font-style: normal;
  color: var(--hot);
}

.doc-head__lede {
  margin-top: 20px;
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 1.65;
  color: var(--dim);
  max-width: 62ch;
}

.doc-head__cmd {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--dim);
}

.doc-head__cmd .mono::before {
  content: "$ ";
  color: var(--hot);
}

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

/* --- frame -------------------------------------------------------------- */

.doc {
  display: grid;
  grid-template-columns: 206px minmax(0, 1fr);
  gap: 0 clamp(28px, 4vw, 56px);
  padding-top: 34px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 74px;
  align-self: start;
}

.toc__t {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.toc__list {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 6px 8px 6px 10px;
  border-left: 2px solid transparent;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  color: var(--dim);
  transition: color 0.14s var(--ease), border-color 0.14s var(--ease);
}

.toc__list a i {
  font-style: normal;
  font-size: 9px;
  color: var(--faint);
  min-width: 14px;
}

.toc__list a:hover {
  color: var(--ink);
  border-left-color: var(--line);
}

.toc__list a[aria-current="true"] {
  color: var(--hot);
  border-left-color: var(--hot);
  background: var(--plate);
}

.toc__list a[aria-current="true"] i {
  color: var(--hot);
}

/* --- a station ---------------------------------------------------------- */

.doc__main {
  min-width: 0;
  border-left: 1px solid var(--line);
  padding-left: clamp(20px, 3vw, 40px);
}

.step {
  padding-block: clamp(30px, 4vw, 46px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 74px;
}

.step:first-child {
  border-top: 0;
  padding-top: 0;
}

.step__head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.step__no {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  font-family: "Big Shoulders Display", sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--hot);
  background: var(--plate);
  flex: none;
}

.step__t {
  font-size: clamp(27px, 3.2vw, 40px);
  line-height: 0.95;
}

.step__body p {
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--dim);
  max-width: 64ch;
}

.step__body p code,
.doc-head__lede code {
  font-size: 0.92em;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.step__body a {
  color: var(--ink);
  border-bottom: 1px solid var(--hot);
}

.step__body a:hover {
  color: var(--hot);
}

.step .screen {
  margin-top: 20px;
}

/* --- the formula -------------------------------------------------------- */

.formula {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--hot);
  background: var(--plate);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--dim);
  overflow-x: auto;
}

.formula__row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  white-space: nowrap;
}

.formula__row span:first-child {
  color: var(--hot);
  font-weight: 500;
}

/* --- the runs ----------------------------------------------------------- */

.runs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 20px;
}

.run {
  background: var(--plate);
  padding: 16px 16px 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  transition: background 0.15s var(--ease);
}

.run:hover {
  background: var(--plate-2);
}

.run__no {
  font-size: 9.5px;
  color: var(--dim);
  letter-spacing: 0.1em;
  padding-top: 6px;
}

.run__n {
  font-family: "Big Shoulders Display", sans-serif;
  font-size: 24px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1;
}

.run__d {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--dim);
  margin-top: 6px;
}

.doc-next {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.copy {
  margin-left: 10px;
  border: 1px solid var(--screen-line);
  background: transparent;
  color: var(--screen-dim);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 7px;
  cursor: pointer;
}

.copy:hover {
  color: var(--screen-ink);
  border-color: var(--screen-dim);
}

@media (width <= 980px) {
  .doc {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 20px;
  }

  .toc {
    position: static;
    padding-bottom: 18px;
  }

  .toc__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
    padding-top: 10px;
  }

  .toc__list a {
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 4px 8px;
  }

  .toc__list a[aria-current="true"] {
    border-bottom-color: var(--hot);
  }

  .doc__main {
    border-left: 0;
    padding-left: 0;
  }

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

@media (width <= 860px) {
  .step__no {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .step__head {
    gap: 12px;
  }

  .formula {
    font-size: 10.5px;
    padding: 12px;
  }

  .formula__row {
    grid-template-columns: 44px minmax(0, 1fr);
  }
}

/* ==========================================================================
   api — the reference
   ========================================================================== */

.api-head {
  padding-bottom: 0;
}

.api-head .doc-head__title {
  font-size: clamp(38px, 5vw, 62px);
  margin-top: 16px;
}

.api-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding-bottom: 16px;
}

.api-search input {
  flex: 1;
  min-width: 0;
  max-width: 460px;
  background: var(--plate);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  padding: 10px 12px;
  appearance: none;
}

.api-search input::placeholder {
  color: var(--faint);
}

.api-search input:focus {
  outline: none;
  border-color: var(--hot);
  box-shadow: inset 0 -2px 0 var(--hot);
}

.api-search__count {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.api-doc {
  padding-top: 30px;
}

.idx {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.idx > li > a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

.idx > li > a i {
  font-style: normal;
  color: var(--hot);
  font-size: 9.5px;
}

.idx__types {
  list-style: none;
  margin: 4px 0 0;
  padding: 0 0 0 3px;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.idx__types a {
  display: block;
  padding: 3px 0 3px 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  color: var(--dim);
}

.idx__types a:hover {
  color: var(--hot);
}

.group {
  padding-bottom: 34px;
}

.group__t {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: clamp(24px, 2.8vw, 34px);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 6px;
}

.group__t i {
  font-style: normal;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--hot);
  font-weight: 500;
}

.api {
  border-bottom: 1px solid var(--line-soft);
  padding-block: 24px 20px;
  scroll-margin-top: 76px;
}

.api--value {
  padding-block: 20px;
}

.api__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.api__name {
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: 0;
  text-transform: none;
}

.chip {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 2px 6px 1px;
}

.chip--kind {
  color: var(--hot);
  border-color: color-mix(in oklab, var(--hot) 45%, transparent);
}

.api__derived {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--faint);
}

.api__doc {
  margin-top: 12px;
  max-width: 72ch;
}

.api__doc p {
  font-size: 14px;
  line-height: 1.66;
  color: var(--dim);
  margin-top: 10px;
}

.api__doc p code,
.params td code,
.api__note code {
  font-size: 0.92em;
  color: var(--ink);
}

.api__doc a,
.params a {
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.api__doc a:hover {
  border-color: var(--hot);
  color: var(--hot);
}

.api__doc .ref {
  border-bottom: 1px dotted var(--hot);
  text-decoration: none;
}

.api__doc .ref code {
  color: var(--hot);
  font-size: 0.92em;
}

.api__doc ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--dim);
  font-size: 14px;
  line-height: 1.6;
}

.api__doc pre.snippet {
  margin: 12px 0 0;
  padding: 12px 14px;
  background: var(--screen);
  color: var(--screen-ink);
  border: 1px solid #000;
  font-size: 11.5px;
  line-height: 1.7;
  overflow-x: auto;
}

.mdlabel {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hot);
  margin-top: 14px;
}

.api__note {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--faint);
  font-style: italic;
}

.variants {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
}

.variants li {
  border: 1px solid var(--line);
  background: var(--plate);
  padding: 2px 7px;
}

.variants code {
  font-size: 11.5px;
  color: var(--ink);
}

/* --- parameter tables --------------------------------------------------- */

.params {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 12px;
}

.params th {
  text-align: left;
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  border-bottom: 1px solid var(--line);
  padding: 0 12px 6px 0;
}

.params td {
  border-bottom: 1px solid var(--line-soft);
  padding: 7px 12px 7px 0;
  vertical-align: top;
  line-height: 1.5;
}

.params tr:last-child td {
  border-bottom: 0;
}

.params .pname {
  white-space: nowrap;
  width: 1%;
}

.params .pname code {
  color: var(--ink);
  font-weight: 500;
}

.params .lab {
  font-style: normal;
  color: var(--hot);
  margin-left: 1px;
}

.params .ptype {
  white-space: nowrap;
  width: 1%;
}

.params .ptype code {
  color: var(--dim);
  font-size: 11.5px;
}

.params .pdef {
  white-space: nowrap;
  width: 1%;
  color: var(--faint);
}

.params .pdef .dflt {
  color: var(--sig);
  font-size: 11.5px;
}

.params .pdoc {
  color: var(--dim);
  min-width: 18ch;
}

.mtable {
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 12px;
}

.mtable th,
.mtable td {
  border: 1px solid var(--line-soft);
  padding: 5px 9px;
  text-align: left;
  color: var(--dim);
  vertical-align: top;
}

.mtable th {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

/* --- methods ------------------------------------------------------------ */

.fns {
  margin-top: 18px;
  border-left: 2px solid var(--line);
  padding-left: clamp(12px, 2vw, 20px);
}

.fn {
  padding-block: 14px;
  border-top: 1px dotted var(--line);
  scroll-margin-top: 76px;
}

.fn:first-child {
  border-top: 0;
  padding-top: 4px;
}

.fn__sig {
  background: var(--screen);
  border: 1px solid #000;
  color: var(--screen-ink);
  padding: 9px 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.fn__sig code {
  font-size: 12px;
  line-height: 1.5;
}

.fn__sig::-webkit-scrollbar {
  height: 6px;
}

.fn__sig::-webkit-scrollbar-thumb {
  background: #394044;
  border: 1px solid var(--screen);
}

.fn__doc {
  margin-top: 12px;
}

.fn__doc p {
  font-size: 13.5px;
  line-height: 1.64;
  color: var(--dim);
  margin-top: 8px;
  max-width: 72ch;
}

.fn .params {
  margin-top: 10px;
}

.is-hidden {
  display: none !important;
}

.group.is-empty {
  display: none;
}

@media (width <= 860px) {
  .api-search input {
    max-width: 100%;
  }

  .params th:nth-child(3),
  .params td.pdef {
    display: none;
  }

  .fn__sig {
    font-size: 11px;
  }
}

@media (width <= 560px) {
  .params th:nth-child(2),
  .params td.ptype {
    display: none;
  }

  .params td.pdoc {
    min-width: 12ch;
    overflow-wrap: anywhere;
  }
}

/* every scroll container on a doc page keeps the machine's scrollbar */
.formula::-webkit-scrollbar {
  height: 8px;
}

.formula::-webkit-scrollbar-thumb {
  background: var(--line);
  border: 2px solid var(--plate);
}