:root {
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-content: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --paper: #f4f7f5;
  --paper-raised: #ffffff;
  --paper-subtle: #edf2ef;
  --paper-sunken: #e4ece7;
  --ink: #142d28;
  --ink-muted: #55675f;
  --ink-subtle: #60716a;
  --line: #dee7e1;
  --line-strong: #c5d3ca;
  --brand: #087b6a;
  --brand-hover: #066858;
  --brand-fg: #ffffff;
  --brand-subtle: #e2f4ec;
  --brand-line: #b3d9ca;
  --brand-deep: #103c32;
  --brand-accent: #e2ffb5;
  --ok-fg: #087363;
  --ok-bg: #e2f4ec;
  --warn-fg: #8a4b09;
  --warn-bg: #fdf1e3;
  --warn-line: #f0d2aa;
  --error-fg: #a3231d;
  --error-bg: #fdeceb;
  --error-line: #f3bdba;
  --get-fg: #1d4ed8;
  --get-bg: #e6edfd;
  --shadow: 0 18px 40px -12px rgb(16 60 50 / 0.16), 0 4px 10px -4px rgb(16 60 50 / 0.06);
  --header-h: 4.5rem;
}

html.dark {
  --paper: #101b18;
  --paper-raised: #172620;
  --paper-subtle: #21372d;
  --paper-sunken: #0b1511;
  --ink: #eef6f0;
  --ink-muted: #b3c5b9;
  --ink-subtle: #91aa9b;
  --line: #2b4136;
  --line-strong: #3d5a49;
  --brand: #4fd1b8;
  --brand-hover: #6adcc6;
  --brand-fg: #06251f;
  --brand-subtle: #10322c;
  --brand-line: #1e5348;
  --brand-deep: #06251f;
  --brand-accent: #e2ffb5;
  --ok-fg: #5fd08b;
  --ok-bg: #0f2a1b;
  --warn-fg: #f0b24a;
  --warn-bg: #2e2109;
  --warn-line: #4d3811;
  --error-fg: #f58a84;
  --error-bg: #33120f;
  --error-line: #57201c;
  --get-fg: #7aa9fb;
  --get-bg: #10203c;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-hover); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--paper-raised);
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  z-index: 80;
}
.skip:focus { top: 0.75rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.site-header-inner {
  width: min(72rem, calc(100% - 2.5rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand img { width: 34px; height: 34px; }
.brand small {
  display: block;
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--ink-subtle);
  letter-spacing: 0;
}
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 0.5rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  padding: 0 0.9rem;
  border-radius: 0.6rem;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--paper-subtle); color: var(--ink); }
.btn-brand {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--brand-fg);
}
.btn-brand:hover { background: var(--brand-hover); color: var(--brand-fg); }
.icon-btn { width: 2.5rem; padding: 0; }
/* Same control as the app: a 40px ghost button, icon for the current theme. */
.theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
}
.theme-btn:hover { background: var(--paper-subtle); color: var(--ink); }
.theme-btn svg { display: none; }
html[data-theme="light"] .theme-btn .icon-light,
html[data-theme="dark"] .theme-btn .icon-dark,
html:not([data-theme="light"]):not([data-theme="dark"]) .theme-btn .icon-system { display: block; }

.layout {
  width: min(72rem, calc(100% - 2.5rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 14.5rem minmax(0, 1fr);
  gap: 3rem;
  padding: 2.25rem 0 5rem;
}
.nav {
  position: sticky;
  top: calc(var(--header-h) + 1.25rem);
  align-self: start;
}
.nav p {
  margin: 0 0 0.4rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-subtle);
}
.nav a {
  display: block;
  padding: 0.4rem 0.7rem;
  margin: 0.1rem 0;
  border-radius: 0.5rem;
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.875rem;
}
.nav a:hover { background: var(--paper-subtle); color: var(--ink); }
.nav a[aria-current="page"] {
  background: var(--brand-subtle);
  color: var(--brand);
  font-weight: 600;
}

main { min-width: 0; max-width: 46rem; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--brand-subtle);
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 600;
}
h1 {
  font-family: var(--font-content);
  font-weight: 450;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0.85rem 0 0.75rem;
}
h1 em { font-style: italic; color: var(--brand); }
h2 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  margin: 2.6rem 0 0.6rem;
  scroll-margin-top: 6rem;
}
h3 {
  font-size: 1.05rem;
  margin: 1.6rem 0 0.4rem;
  scroll-margin-top: 6rem;
}
p, li { color: var(--ink-muted); }
main > p, .prose p { max-width: 42rem; }
.lead { font-size: 1.05rem; }

.endpoint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 2.4rem 0 0.7rem;
  scroll-margin-top: 6rem;
}
.endpoint h2 { margin: 0; font-family: var(--font-mono); font-size: 1rem; font-weight: 500; letter-spacing: 0; }
.method {
  display: inline-flex;
  align-items: center;
  height: 1.45rem;
  padding: 0 0.45rem;
  border-radius: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.method-post { background: var(--brand-subtle); color: var(--brand); }
.method-get { background: var(--get-bg); color: var(--get-fg); }
.method-delete { background: var(--error-bg); color: var(--error-fg); }

pre {
  position: relative;
  margin: 0.8rem 0 1.1rem;
  padding: 1rem 1.05rem 1rem;
  overflow: auto;
  background: var(--paper-sunken);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--ink);
}
pre code { font-family: inherit; }
.copy {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  height: 1.7rem;
  padding: 0 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: var(--paper-raised);
  color: var(--ink-muted);
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
}
.copy:hover { color: var(--ink); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0 1.2rem;
  font-size: 0.875rem;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.65rem 0.7rem;
  border-bottom: 1px solid var(--line);
}
th { color: var(--ink-subtle); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; }
td { color: var(--ink-muted); }
td code, p code, li code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: var(--paper-sunken);
  padding: 0.08rem 0.32rem;
  border-radius: 0.3rem;
}

.callout {
  margin: 1rem 0 1.3rem;
  padding: 0.9rem 1rem;
  border-radius: 0.85rem;
  border: 1px solid var(--brand-line);
  background: var(--brand-subtle);
  color: var(--ink);
  font-size: 0.9rem;
}
.callout strong { color: var(--ink); }
.callout.warn { border-color: var(--warn-line); background: var(--warn-bg); }
.callout p { margin: 0.35rem 0 0; color: inherit; }
.callout p:first-child { margin-top: 0; }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin: 1.2rem 0 0.4rem;
}
.card {
  display: block;
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--paper-raised);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 3px rgb(16 60 50 / 0.04);
}
.card:hover { border-color: var(--brand-line); color: inherit; }
.card span {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}
.card strong { display: block; margin: 0.25rem 0 0.3rem; color: var(--ink); }
.card p { margin: 0; font-size: 0.84rem; }

.steps { margin: 1rem 0 0; padding: 0; list-style: none; counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.1rem 2.4rem;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  background: var(--brand-subtle);
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 2rem;
  color: var(--ink-subtle);
  font-size: 0.8rem;
}
.site-footer-inner {
  width: min(72rem, calc(100% - 2.5rem));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
}
.site-footer a { color: var(--ink-muted); }

.menu-btn { display: none; }

@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .layout { grid-template-columns: 1fr; gap: 0; }
  .nav {
    display: none;
    position: static;
    margin-bottom: 1.5rem;
    padding: 0.4rem;
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    background: var(--paper-raised);
  }
  body.nav-open .nav { display: block; }
  .cards { grid-template-columns: 1fr; }
  .header-app { display: none; }
}