:root {
  --ink: #0f172a;
  --muted: #475569;
  --soft: #64748b;
  --line: rgba(15, 23, 42, 0.1);
  --accent: #4f46e5;
  --accent-strong: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --surface: #ffffff;
  --code: #0b1020;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --display: Sora, "Plus Jakarta Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --header: 3.6rem;
  color: var(--ink);
  background:
    radial-gradient(ellipse 70% 40% at 0% -10%, rgba(99, 102, 241, 0.16), transparent 55%),
    linear-gradient(180deg, #f5f7fb 0%, #ffffff 22rem);
  font-family: var(--font);
  line-height: 1.6;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; }
a { color: var(--accent-strong); }
a:hover { color: #3730a3; }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
code { background: var(--accent-soft); padding: 0.08em 0.35em; border-radius: 0.3rem; }
::selection { background: rgba(79, 70, 229, 0.18); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 30;
  border-radius: 0.4rem;
}
.skip:focus { top: 0.75rem; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--header);
  padding: 0.55rem 1.15rem;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--ink); }
.brand small {
  display: block;
  font-family: var(--font);
  font-weight: 600;
  color: var(--soft);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: linear-gradient(145deg, #4f46e5, #7c3aed);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 0.95rem;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.28);
}
.app-link {
  margin-left: auto;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  color: #fff;
  background: var(--ink);
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
}
.app-link:hover { color: #fff; background: #1e293b; }

.frame {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  max-width: 1280px;
  margin: 0 auto;
  align-items: start;
}
.sitenav {
  position: sticky;
  top: var(--header);
  height: calc(100vh - var(--header));
  overflow: auto;
  padding: 1rem 0.75rem 2rem;
  border-right: 1px solid var(--line);
}
.sitenav .nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.sitenav .nav a,
header .nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.42rem 0.7rem;
  border-radius: 0.6rem;
}
.sitenav .nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.sitenav .nav a:hover { background: rgba(15, 23, 42, 0.04); }
header .nav { display: flex; gap: 0.25rem; flex-wrap: wrap; margin-left: auto; }
header .nav a[aria-current="page"],
header .nav a:hover { background: var(--accent-soft); color: var(--accent-strong); }

.content { min-width: 0; }
.shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 168px;
  gap: 1.75rem 2rem;
  max-width: none;
  margin: 0;
  padding: 1.6rem 1.35rem 2.5rem;
}
main { grid-column: 1; grid-row: 1; min-width: 0; }
.side { grid-column: 2; grid-row: 1; }
.side {
  position: sticky;
  top: calc(var(--header) + 1rem);
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-top: 0.35rem;
}
.side p {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--soft);
  font-weight: 700;
}
.side a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
  padding: 0.22rem 0.45rem;
  border-radius: 0.4rem;
  border-left: 2px solid transparent;
}
.side a:hover { color: var(--accent-strong); }
.side a[aria-current="true"] {
  color: var(--accent-strong);
  border-left-color: var(--accent);
  background: var(--accent-soft);
  font-weight: 650;
}

main h1 {
  font-family: var(--display);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 0.55rem;
}
main h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 2.4rem 0 0.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header) + 0.8rem);
}
main h3 {
  font-size: 1.02rem;
  margin: 1.35rem 0 0.35rem;
  scroll-margin-top: calc(var(--header) + 0.8rem);
}
main p { max-width: 68ch; }
.lead { color: var(--muted); font-size: 1.05rem; max-width: 46rem; }

.step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.step::before {
  content: attr(data-step);
  flex: none;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.78rem;
  display: grid;
  place-items: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.75rem;
  margin: 0.9rem 0 0.4rem;
}
.card {
  position: relative;
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 0.95rem 2rem 0.95rem 1rem;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.card::after {
  content: "→";
  position: absolute;
  right: 0.85rem;
  top: 1rem;
  color: var(--soft);
}
.card strong { display: block; font-family: var(--display); margin-bottom: 0.2rem; letter-spacing: -0.02em; }
.card span { color: var(--muted); font-size: 0.9rem; }
.card:hover {
  border-color: rgba(79, 70, 229, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.08);
  color: inherit;
}
.card:hover::after { color: var(--accent); }

.table-wrap {
  overflow-x: auto;
  margin: 0.75rem 0 1rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: #fff;
}
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  position: sticky;
  top: 0;
  background: #f8fafc;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--soft);
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #f8fafc; }
.method {
  display: inline-block;
  min-width: 3.5rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  border-radius: 0.35rem;
  padding: 0.14rem 0.35rem;
  color: #fff;
}
.method.get { background: #0f766e; }
.method.post { background: #4338ca; }
.method.put, .method.patch { background: #b45309; }
.method.delete { background: #be123c; }

.code { position: relative; margin: 0.85rem 0 1.1rem; }
.code pre { margin: 0; }
pre {
  background: var(--code);
  color: #e2e8f0;
  border-radius: 0.9rem;
  padding: 0.95rem 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.55;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.code pre { padding-top: 2.15rem; }
pre code { background: transparent; color: inherit; padding: 0; font-size: inherit; }
.copy {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.4rem;
  font: 650 0.72rem var(--font);
  padding: 0.22rem 0.5rem;
  cursor: pointer;
}
.copy:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }

.note, .checklist {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.8rem 0.95rem;
  color: var(--muted);
  margin: 0.85rem 0;
}
.note { border-left: 3px solid var(--accent); }
.checklist strong { display: block; color: var(--ink); margin-bottom: 0.35rem; }
.checklist ul { margin: 0.15rem 0 0; padding-left: 1.15rem; }
.checklist li { margin: 0.2rem 0; }
.section-label {
  margin: 1.8rem 0 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 750;
}

footer {
  max-width: none;
  margin: 0 1.35rem;
  padding: 1rem 0 2.2rem;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 0.85rem;
}
footer a { font-weight: 600; }

@media (max-width: 980px) {
  .frame { display: block; }
  .sitenav {
    position: sticky;
    top: var(--header);
    height: auto;
    z-index: 15;
    padding: 0.45rem 0.7rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
  }
  .sitenav .nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.15rem;
  }
  .shell { grid-template-columns: 1fr; padding-top: 1.1rem; }
  main, .side { grid-column: auto; grid-row: auto; }
  .side {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.35rem 0.7rem;
    padding: 0.2rem 0 0.4rem;
  }
  .side p { width: 100%; margin-bottom: 0; }
  .side a { border-left: 0; padding: 0.15rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
}