@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,700,900&display=swap');
@import url('/brand-theme.css');

:root {
  --docs-bg: var(--surface-primary);
  --docs-surface: var(--surface-primary);
  --docs-surface-muted: color-mix(in srgb, var(--surface-secondary) 78%, var(--surface-primary));
  --docs-border: var(--border-subtle);
  --docs-border-strong: var(--border-default);
  --docs-text: var(--text-primary);
  --docs-muted: var(--text-secondary);
  --docs-accent: var(--brand-primary);
  --docs-shadow: 0 18px 36px -30px var(--shadow-color, rgba(16, 18, 22, 0.18));
  --docs-nav-height: 4rem;
  --docs-radius-lg: 0.9rem;
  --docs-radius-xl: 1.15rem;
  --docs-radius-full: 9999px;
  --docs-max-width: 84rem;
  --docs-content-width: 52rem;
  --docs-font: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--docs-font);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-primary) 98%, #ffffff 2%) 0%, var(--surface-primary) 100%);
  color: var(--docs-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus-ring, rgba(16, 18, 22, 0.18));
  outline-offset: 3px;
}

code {
  padding: 0.15rem 0.42rem;
  border-radius: 0.42rem;
  background: var(--docs-surface-muted);
  font-size: 0.92em;
}

.docs-shell {
  width: min(calc(100% - 2rem), var(--docs-max-width));
  margin: 0 auto;
  padding: calc(var(--docs-nav-height) + 2rem) 0 4rem;
}

.docs-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 2rem), var(--docs-max-width));
  min-height: var(--docs-nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--docs-border);
  border-radius: var(--docs-radius-full);
  backdrop-filter: blur(12px);
  background: var(--navbar-bg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 0.45rem;
  flex: 0 0 auto;
}

.accent {
  color: var(--docs-accent);
}

.docs-header-links {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.docs-header-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.3rem;
  padding: 0.45rem 0.88rem;
  border: 1px solid transparent;
  border-radius: var(--docs-radius-full);
  color: var(--docs-muted);
}

.docs-header-links a:hover {
  color: var(--docs-text);
  background: var(--docs-surface-muted);
  border-color: var(--docs-border);
}

.docs-header-links .header-link-primary {
  color: var(--text-on-brand);
  background: var(--docs-accent);
}

.docs-header-links .header-link-primary:hover {
  color: var(--text-on-brand);
  background: var(--brand-primary-hover);
  border-color: transparent;
}

.docs-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 16rem) minmax(0, 1fr);
  gap: 2.25rem;
  align-items: start;
}

.docs-sidebar {
  min-width: 0;
}

.toc-card {
  position: sticky;
  top: calc(var(--docs-nav-height) + 1.25rem);
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid var(--docs-border);
  border-radius: var(--docs-radius-xl);
  background: var(--docs-surface);
  box-shadow: var(--docs-shadow);
}

.toc-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--docs-muted);
}

.toc-nav {
  display: grid;
  gap: 0.2rem;
}

.toc-nav a {
  display: block;
  padding: 0.45rem 0.6rem;
  border-radius: 0.7rem;
  color: var(--docs-muted);
  font-size: 0.94rem;
}

.toc-nav a:hover {
  color: var(--docs-text);
  background: var(--docs-surface-muted);
}

.docs-content {
  width: 100%;
  max-width: var(--docs-content-width);
}

.docs-intro,
.doc-section {
  scroll-margin-top: calc(var(--docs-nav-height) + 1.4rem);
}

.docs-intro {
  margin-bottom: 1.4rem;
}

.eyebrow {
  margin-bottom: 0.9rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--docs-muted);
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.lead {
  margin-top: 1rem;
  font-size: clamp(1rem, 1.8vw, 1.12rem);
  color: var(--docs-muted);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.15rem;
  font-size: 0.88rem;
  color: var(--docs-muted);
}

.callout {
  margin: 1.1rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--docs-border);
  border-left: 3px solid var(--docs-accent);
  border-radius: var(--docs-radius-lg);
  background: var(--docs-surface-muted);
}

.callout strong {
  display: block;
  margin-bottom: 0.25rem;
}

.callout p {
  color: var(--docs-muted);
}

.critical {
  margin-bottom: 1.75rem;
}

.doc-section {
  margin-top: 2.6rem;
  padding-top: 2rem;
  border-top: 1px solid var(--docs-border);
}

.doc-section h2 {
  margin-bottom: 0.7rem;
  font-size: 1.55rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.doc-section h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  line-height: 1.2;
}

.doc-section p,
.doc-section ul,
.doc-section ol,
.qa-block {
  margin-top: 0.85rem;
}

.doc-section ul,
.doc-section ol {
  padding-left: 1.3rem;
  color: var(--docs-muted);
}

.doc-section li + li {
  margin-top: 0.4rem;
}

.doc-section p {
  color: var(--docs-muted);
}

.steps {
  color: var(--docs-muted);
}

.steps.compact {
  margin-top: 0.55rem;
}

.doc-figure {
  margin-top: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--docs-border);
  border-radius: var(--docs-radius-xl);
  background: var(--docs-surface);
  box-shadow: var(--docs-shadow);
}

.doc-figure img {
  width: 100%;
  background: #ffffff;
}

.doc-figure figcaption {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--docs-border);
  background: var(--docs-surface);
  color: var(--docs-muted);
  font-size: 0.9rem;
}

.split-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.note-card {
  padding: 1rem;
  border: 1px solid var(--docs-border);
  border-radius: var(--docs-radius-lg);
  background: var(--docs-surface);
}

.docs-table {
  width: 100%;
  margin-top: 1.3rem;
  border-collapse: collapse;
  border: 1px solid var(--docs-border);
  border-radius: var(--docs-radius-xl);
  overflow: hidden;
  background: var(--docs-surface);
  box-shadow: var(--docs-shadow);
}

.docs-table th,
.docs-table td {
  padding: 0.9rem 1rem;
  vertical-align: top;
  text-align: left;
  border-bottom: 1px solid var(--docs-border);
}

.docs-table th {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--docs-muted);
  background: var(--docs-surface-muted);
}

.docs-table td {
  color: var(--docs-muted);
}

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

.note-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.qa-block {
  padding: 1rem 0;
  border-top: 1px solid var(--docs-border);
}

.qa-block:first-of-type {
  border-top: none;
  padding-top: 0;
}

.qa-block h3 {
  margin-bottom: 0.45rem;
}

.qa-block p {
  color: var(--docs-muted);
}

.related-section {
  padding-bottom: 0.2rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.related-link {
  display: grid;
  gap: 0.28rem;
  padding: 1rem;
  border: 1px solid var(--docs-border);
  border-radius: var(--docs-radius-lg);
  background: var(--docs-surface);
}

.related-link:hover {
  border-color: var(--docs-border-strong);
  background: var(--docs-surface-muted);
}

.related-title {
  font-weight: 600;
  color: var(--docs-text);
}

.related-copy {
  color: var(--docs-muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .toc-card {
    position: static;
  }

  .toc-nav {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

  .docs-content {
    max-width: 100%;
  }
}

@media (max-width: 720px) {
  .docs-shell {
    width: min(calc(100% - 1.2rem), var(--docs-max-width));
    padding-top: calc(var(--docs-nav-height) + 1.55rem);
  }

  .docs-header {
    top: 0.6rem;
    width: calc(100% - 1.2rem);
    padding: 0.5rem 0.75rem;
  }

  .brand {
    font-size: 1.1rem;
  }

  .docs-header-links {
    gap: 0.3rem;
    font-size: 0.84rem;
  }

  .docs-header-links a {
    padding-inline: 0.7rem;
  }

  .split-notes {
    grid-template-columns: 1fr;
  }

  .docs-table {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 560px) {
  .docs-header {
    border-radius: 1.1rem;
  }

  .docs-header-links a {
    min-height: 2.1rem;
    padding: 0.4rem 0.62rem;
  }

  .toc-nav {
    grid-template-columns: 1fr 1fr;
  }

  .doc-section {
    margin-top: 2.2rem;
    padding-top: 1.7rem;
  }

  .doc-figure figcaption,
  .callout,
  .note-card,
  .related-link {
    padding-inline: 0.9rem;
  }
}