:root { color-scheme: dark; }
*,
*::before,
*::after { box-sizing: border-box; }
html {
  font-size: max(16px, var(--type-root));
  -webkit-text-size-adjust: 100%;
  background: var(--ink);
}
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-text);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-copy);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection { background: var(--accent); color: var(--ink); }
a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  text-decoration-color: color-mix(in oklab, var(--paper) 45%, transparent);
  transition: text-decoration-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  a:hover { text-decoration-color: var(--accent); }
}
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-bar);
}
.lg-skip {
  position: absolute;
  left: var(--pad-x);
  top: -100px;
  z-index: 10;
  padding: 0.6em 1em;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-bar);
  text-decoration: none;
}
.lg-skip:focus { top: var(--space-2xs); }
.lg-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--pad-x);
  border-bottom: 1px solid var(--hairline-on-dark-soft);
}
.lg-brand {
  display: flex;
  align-items: center;
  min-height: var(--tap-min);
  text-decoration: none;
  line-height: 0;
}
.lg-brand img {
  display: block;
  width: var(--wordmark-w);
  height: auto;
}
.lg-home {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  min-height: var(--tap-min);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted-on-dark);
}
.lg-home::before {
  content: "";
  width: var(--dot-size);
  height: var(--dot-size);
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
@media (hover: hover) {
  .lg-home:hover { color: var(--paper); }
}
.lg-doc {
  flex: 1 0 auto;
  width: 100%;
  max-width: 78rem;
  margin-inline: auto;
  padding: var(--space-xl) var(--pad-x) var(--space-2xl);
}
.lg-head { max-width: 58rem; }
.lg-kicker {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--muted-on-dark);
}
.lg-doc h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 1.1rem + 2.6vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
  overflow-wrap: break-word;
}
.lg-meta {
  margin: var(--space-sm) 0 0;
  font-size: var(--text-sm);
  color: var(--muted-on-dark);
}
.lg-note {
  margin: var(--space-md) 0 0;
  max-width: var(--measure);
  padding: var(--space-xs) var(--space-sm);
  border-left: 2px solid var(--accent);
  color: var(--muted-on-dark);
  font-size: var(--text-sm);
}
.lg-grid {
  margin-top: var(--space-xl);
  display: grid;
  gap: var(--space-lg);
}
@media (min-width: 1024px) {
  .lg-grid.has-toc {
    grid-template-columns: minmax(12rem, 17rem) minmax(0, 1fr);
    gap: var(--space-2xl);
  }
}
.lg-toc {
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
}
.lg-toc-t {
  margin: 0 0 var(--space-xs);
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--muted-on-dark);
}
.lg-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline-on-dark-soft);
}
.lg-toc li { border-bottom: 1px solid var(--hairline-on-dark-soft); }
.lg-toc a {
  display: flex;
  gap: 0.75em;
  min-height: var(--tap-min);
  align-items: center;
  padding: 0.35em 0;
  text-decoration: none;
  color: var(--muted-on-dark);
}
.lg-toc a span { color: var(--accent); font-variant-numeric: tabular-nums; min-width: 1.6em; }
@media (hover: hover) {
  .lg-toc a:hover { color: var(--paper); }
}
@media (min-width: 1024px) {
  .lg-toc { position: sticky; top: var(--space-lg); align-self: start; }
}
:where(.lg-body, .lg-foot) :where(p, ul, ol) { margin: 0; }
.lg-body { max-width: var(--measure); min-width: 0; }
.lg-body > * + * { margin-top: var(--space-sm); }
.lg-body h2 {
  margin: var(--space-xl) 0 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--hairline-on-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 0.95rem + 0.7vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
  scroll-margin-top: var(--space-md);
}
.lg-body > h2:first-child { margin-top: 0; }
.lg-body h2 + * { margin-top: var(--space-md); }
.lg-body p,
.lg-body li { overflow-wrap: break-word; }
.lg-body strong { font-weight: 600; color: var(--paper); }
.lg-body em { font-style: normal; color: var(--muted-on-dark); }
.lg-body ul,
.lg-body ol {
  margin-left: 0;
  padding-left: 0;
  list-style: none;
}
.lg-body li + li { margin-top: 0.55em; }
.lg-body ul > li {
  position: relative;
  padding-left: 1.5em;
}
.lg-body ul > li::before {
  content: "";
  position: absolute;
  left: 0.15em;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--accent);
}
.lg-body ol { counter-reset: lg; }
.lg-body ol > li {
  position: relative;
  padding-left: 2em;
  counter-increment: lg;
}
.lg-body ol > li::before {
  content: counter(lg) ".";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.lg-table {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--hairline-on-dark);
}
.lg-table table {
  width: 100%;
  min-width: min(30rem, 100%);
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
}
.lg-table th,
.lg-table td {
  padding: 0.7em 1em 0.7em 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hairline-on-dark-soft);
}
.lg-table th {
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--muted-on-dark);
}
.lg-table td:first-child { white-space: nowrap; font-weight: 500; }
.lg-todo {
  background: color-mix(in oklab, var(--accent) 22%, transparent);
  color: var(--accent);
  padding: 0 0.25em;
  border-radius: 3px;
}
.lg-foot {
  border-top: 1px solid var(--hairline-on-dark-soft);
  padding: var(--space-lg) var(--pad-x) var(--space-xl);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  color: var(--muted-on-dark);
}
.lg-foot-in {
  max-width: 78rem;
  margin-inline: auto;
  display: grid;
  gap: var(--space-sm);
}
.lg-req span { color: var(--paper); font-weight: 500; }
.lg-req a { color: var(--paper); }
.lg-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25em 1.5em;
}
.lg-foot nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-min);
  color: var(--paper);
}
.lg-foot nav a[aria-current="page"] { color: var(--accent); text-decoration-color: var(--accent); }
.lg-foot nav .ck-settings {
  color: var(--paper);
  text-decoration-color: color-mix(in oklab, var(--paper) 45%, transparent);
}
@media (max-width: 767px) {
  .lg-brand img { width: var(--wordmark-w-mobile); }
  .lg-doc { padding-top: var(--space-lg); }
}
@media print {
  :root { color-scheme: light; }
  html, body { background: #fff; color: #000; }
  .lg-top, .lg-toc, .lg-skip, .lg-foot nav { display: none; }
  .lg-grid.has-toc { display: block; }
  .lg-body, .lg-note, .lg-meta, .lg-kicker, .lg-foot, .lg-table th { color: #000; }
  .lg-body strong { color: #000; }
  .lg-body h2, .lg-table, .lg-table th, .lg-table td, .lg-foot { border-color: #999; }
  a { color: #000; text-decoration-color: #999; }
  .lg-todo { background: none; color: #000; outline: 1px dashed #000; }
  .lg-body ul > li::before { background: none; border: 3px solid #000; }
  .lg-body ol > li::before, .lg-toc a span { color: #000; }
  .lg-body h2 { break-after: avoid; }
  .lg-body tr, .lg-body li { break-inside: avoid; }
}
.ck {
  position: fixed;
  left: max(var(--pad-x), env(safe-area-inset-left, 0px));
  right: max(var(--pad-x), env(safe-area-inset-right, 0px));
  bottom: calc(var(--pad-y) + env(safe-area-inset-bottom, 0px));
  z-index: calc(var(--z-chooser, 150) - 10);
  max-width: 960px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 12px 20px;
  padding: 12px 12px 12px 20px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-card);
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.75);
  font-family: var(--font-text);
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: var(--tracking-copy);
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.ck.is-in { opacity: 1; transform: none; }
.ck-t {
  flex: 1 1 auto;
  margin: 0;
}
.ck-t a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  text-decoration-color: color-mix(in oklab, var(--paper) 45%, transparent);
  white-space: nowrap;
}
.ck-acts {
  display: flex;
  gap: 8px;
  flex: none;
}
.ck-btn {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--paper);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .ck-btn:hover { border-color: var(--accent); background: color-mix(in oklab, var(--paper) 6%, transparent); }
  .ck-t a:hover { text-decoration-color: var(--accent); }
}
.ck-btn:active { transform: scale(0.98); }
.ck :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-bar);
}
.ck-withdraw {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 24px 0;
  padding: 16px 20px;
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-card);
  scroll-margin-top: 96px;
}
.ck-w-t {
  flex: 1 1 240px;
  margin: 0;
}
.ck-w-btn { flex: none; }
.ck-settings {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-min);
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  cursor: pointer;
}
@media (min-width: 768px) {
  .ck {
    margin-inline: 0;
    right: calc(max(var(--pad-x), env(safe-area-inset-right, 0px)) + 320px);
  }
}
@media (min-width: 768px) and (max-width: 1199px) {
  .ck {
    flex-direction: column;
    align-items: stretch;
    max-width: 420px;
  }
  .ck-btn { flex: 1 1 0; }
}
@media (max-width: 767px) {
  .ck {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
    font-size: 13px;
    line-height: 1.35;
  }
  .ck-btn { flex: 1 1 0; }
}
@media (max-width: 360px) {
  .ck {
    left: max(8px, env(safe-area-inset-left, 0px));
    right: max(8px, env(safe-area-inset-right, 0px));
    bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    gap: 6px;
    padding: 8px 10px;
    line-height: 1.3;
  }
  .ck-btn { min-height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .ck { transition: none; transform: none; }
}
@media print {
  .ck, .ck-withdraw { display: none; }
}