:root {
  /* Match humanform-dashboard / shadcn zinc theme */
  --radius: 0.625rem;
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
  --sidebar: var(--background);
  --sidebar-foreground: var(--foreground);
  --sidebar-primary: var(--primary);
  --sidebar-primary-foreground: var(--primary-foreground);
  --sidebar-accent: var(--accent);
  --sidebar-accent-foreground: var(--accent-foreground);
  --sidebar-border: var(--border);
  --warning: oklch(0.65 0.15 70);
  --warning-soft: oklch(0.97 0.02 85);
  --code-bg: oklch(0.205 0 0);
  --code-ink: oklch(0.97 0 0);
  --method-post: oklch(0.205 0 0);
  --font: "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  --sidebar-width: 16rem;
  --content-max: 42rem;
  --header-h: 3.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  text-decoration-color: var(--border);
}

a:hover {
  text-decoration-color: var(--foreground);
}

code,
pre,
.endpoint-path,
.method {
  font-family: var(--mono);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 0.5rem 0.75rem;
  border-radius: calc(var(--radius) - 2px);
  z-index: 100;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--background) 85%, transparent);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand {
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
  text-decoration: none;
  font-size: 0.9375rem;
}

.brand span {
  font-weight: 400;
  color: var(--muted-foreground);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--foreground);
  border-radius: calc(var(--radius) - 2px);
  padding: 0.375rem 0.75rem;
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  box-shadow: 0 1px 2px oklch(0 0 0 / 0.04);
}

.nav-toggle:hover {
  background: var(--accent);
}

.header-links {
  margin-left: auto;
  display: flex;
  gap: 0.25rem;
  font-size: 0.875rem;
}

.header-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  padding: 0.375rem 0.75rem;
  border-radius: calc(var(--radius) - 2px);
}

.header-links a:hover {
  color: var(--foreground);
  background: var(--accent);
}

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  max-width: 80rem;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-h));
}

.sidebar {
  border-right: 1px solid var(--sidebar-border);
  background: var(--sidebar);
  color: var(--sidebar-foreground);
  padding: 1.25rem 0.75rem 2.5rem;
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow: auto;
}

.side-nav {
  display: grid;
  gap: 1.5rem;
}

.nav-section-label {
  margin: 0 0 0.375rem;
  padding: 0 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--muted-foreground);
}

.side-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.125rem;
}

.side-nav a {
  display: block;
  padding: 0.375rem 0.625rem;
  border-radius: calc(var(--radius) - 2px);
  color: var(--sidebar-foreground);
  text-decoration: none;
  font-size: 0.875rem;
}

.side-nav a:hover {
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
}

.side-nav a[aria-current="page"] {
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
  font-weight: 500;
}

.content {
  padding: 2rem 2rem 4rem;
}

.prose {
  max-width: var(--content-max);
}

.prose > h1 {
  margin: 0 0 0.75rem;
  font-size: 1.875rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
  font-weight: 600;
  color: var(--foreground);
}

.prose h2 {
  margin: 2.5rem 0 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.prose h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.prose h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.prose p,
.prose ul,
.prose ol {
  color: var(--foreground);
}

.prose p {
  margin: 0.75rem 0;
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose :not(pre) > code {
  font-size: 0.85em;
  background: var(--muted);
  color: var(--foreground);
  padding: 0.15em 0.35em;
  border-radius: 0.25rem;
  border: 1px solid var(--border);
}

.prose pre {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.125rem;
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--code-ink);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  line-height: 1.6;
  border: 1px solid oklch(0.3 0 0);
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

.prose td em {
  font-style: normal;
  color: var(--muted-foreground);
}

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 0;
}

.prose th,
.prose td {
  border-bottom: 1px solid var(--border);
  padding: 0.625rem 0.875rem;
  text-align: left;
  vertical-align: top;
}

.prose tr:last-child td {
  border-bottom: none;
}

.prose th {
  background: var(--muted);
  font-weight: 500;
  color: var(--foreground);
}

.endpoint {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px oklch(0 0 0 / 0.04);
}

.method {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.25rem;
  padding: 0.2rem 0.5rem;
  border-radius: calc(var(--radius) - 4px);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--primary-foreground);
  background: var(--method-post);
}

.endpoint-path {
  font-size: 0.875rem;
  color: var(--foreground);
}

.callout {
  margin: 1.25rem 0;
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 1px 2px oklch(0 0 0 / 0.04);
}

.callout-note,
.callout-tip {
  background: var(--muted);
  border-color: var(--border);
}

.callout-warning {
  border-color: color-mix(in oklab, var(--destructive) 35%, var(--border));
  background: color-mix(in oklab, var(--destructive) 6%, var(--background));
}

.callout-label {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.callout-body {
  font-size: 0.875rem;
}

.callout-body > :first-child {
  margin-top: 0;
}

.callout-body > :last-child {
  margin-bottom: 0;
}

.page-footer {
  max-width: var(--content-max);
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.page-footer a {
  color: var(--muted-foreground);
}

.page-footer a:hover {
  color: var(--foreground);
}

.page-footer code {
  font-size: 0.8125em;
}

.meta-line {
  margin: -0.25rem 0 1.25rem;
  color: var(--muted-foreground);
  font-size: 0.8125rem;
}

.heading-anchor {
  color: inherit;
  text-decoration: none;
}

.heading-anchor:hover {
  text-decoration: underline;
  text-decoration-color: var(--border);
}

.code-block {
  position: relative;
}

.code-block .copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 1;
  border: 1px solid oklch(1 0 0 / 0.14);
  background: oklch(1 0 0 / 0.08);
  color: oklch(0.92 0 0);
  border-radius: calc(var(--radius) - 4px);
  padding: 0.25rem 0.55rem;
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.code-block .copy-button:hover {
  background: oklch(1 0 0 / 0.14);
}

.code-block pre {
  padding-top: 2.5rem;
}

.shell-with-toc {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) 12.5rem;
}

.toc-rail {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow: auto;
  padding: 2rem 1rem 2rem 0;
}

.toc-label {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.toc a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.8125rem;
  line-height: 1.4;
}

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

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: var(--content-max);
  margin-top: 2.5rem;
}

.pager-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--foreground);
  background: var(--card);
}

.pager-link:hover {
  background: var(--muted);
}

.pager-next {
  text-align: right;
  grid-column: 2;
}

.pager-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.pager-title {
  font-size: 0.875rem;
  font-weight: 500;
}

.sidebar-external {
  display: none;
  margin-top: 1.25rem;
  padding: 0.75rem 0.625rem 0;
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

.sidebar-external a {
  display: inline-block;
  margin-right: 0.75rem;
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
}

.sidebar-external a:hover {
  color: var(--foreground);
}

@media (max-width: 1100px) {
  .shell-with-toc {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  }

  .toc-rail {
    display: none;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .header-links {
    display: none;
  }

  .sidebar-external {
    display: block;
  }

  .shell,
  .shell-with-toc {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    height: auto;
    max-height: min(70vh, 28rem);
    background: var(--popover, var(--background));
    border-bottom: 1px solid var(--border);
    z-index: 30;
    box-shadow: 0 10px 30px oklch(0 0 0 / 0.08);
  }

  body.nav-open .sidebar {
    display: block;
  }

  .content {
    padding: 1.5rem 1.25rem 2.5rem;
  }

  .pager {
    grid-template-columns: 1fr;
  }

  .pager-next {
    grid-column: auto;
    text-align: left;
  }
}