:root {
  color-scheme: light;
  --bg: #f4f7f7;
  --surface: #ffffff;
  --surface-alt: #ecf3f2;
  --border: #d8e4e2;
  --border-strong: #b8ceca;
  --text: #17312d;
  --muted: #57706b;
  --accent: #2d5ca8;
  --accent-strong: #2d5ca8;
  --accent-soft: rgba(45, 92, 168, 0.14);
  --danger: #c75656;
  --shadow: 0 16px 40px rgba(13, 30, 27, 0.08);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1615;
  --surface: #12201e;
  --surface-alt: #172826;
  --border: #223735;
  --border-strong: #30524f;
  --text: #e4f1ef;
  --muted: #9bb8b3;
  --accent: #2d5ca8;
  --accent-strong: #2d5ca8;
  --accent-soft: rgba(45, 92, 168, 0.16);
  --danger: #ff8f8f;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code,
pre {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

pre {
  margin: 0;
  overflow-x: auto;
}

code {
  font-size: 0.95em;
}

table {
  width: 100%;
  border-collapse: collapse;
}

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

th {
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 600;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 0.75rem;
  z-index: 20;
}

.skip-link:focus {
  top: 1rem;
}

.site-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: 2rem;
  width: auto;
}

.brand-logo--dark {
  display: none;
}

[data-theme="dark"] .brand-logo--light {
  display: none;
}

[data-theme="dark"] .brand-logo--dark {
  display: block;
}

.brand-subtitle {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.theme-toggle:hover {
  text-decoration: none;
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.site-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 2rem;
  width: min(1280px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 6.5rem;
  display: grid;
  gap: 1rem;
}

.sidebar-card,
.sidebar-note,
.doc-content,
.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
}

.sidebar-card,
.sidebar-note {
  padding: 1.25rem;
}

.sidebar-card h2,
.sidebar-card p {
  margin: 0;
}

.sidebar-eyebrow,
.section-eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.sidebar-copy,
.lead,
.meta-copy {
  color: var(--muted);
}

.sidebar-nav {
  display: grid;
  gap: 0.5rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  color: var(--text);
  background: transparent;
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
  text-decoration: none;
  background: var(--surface);
  border-color: var(--border);
}

.sidebar-link.is-active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--accent-strong);
  font-weight: 700;
}

.sidebar-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.main-content {
  min-width: 0;
}

.doc-content {
  padding: 2.25rem;
}

.doc-content h1,
.doc-content h2,
.doc-content h3 {
  line-height: 1.2;
}

.doc-content h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.doc-content h2 {
  margin-bottom: 0.9rem;
  font-size: 1.55rem;
}

.doc-content h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.7rem;
  font-size: 1.1rem;
}

.doc-content p,
.doc-content ul,
.doc-content ol {
  margin-top: 0;
}

.hero-grid,
.card-grid,
.steps-grid {
  display: grid;
  gap: 1rem;
}

.hero-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-card {
  padding: 1.25rem;
}

.content-card h3,
.content-card p,
.content-card ul {
  margin: 0;
}

.content-card p + p,
.content-card p + ul,
.content-card ul + p {
  margin-top: 0.8rem;
}

.code-block {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-alt);
}

.inline-list,
.stack-list {
  padding-left: 1.2rem;
}

.inline-list li + li,
.stack-list li + li {
  margin-top: 0.45rem;
}

.badge,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
}

.badge {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.status-pill--danger {
  background: rgba(199, 86, 86, 0.14);
  color: var(--danger);
}

.status-pill--neutral {
  background: var(--surface-alt);
  color: var(--muted);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
}

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

.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 1rem 1rem 0;
  background: var(--surface-alt);
}

.callout--warning {
  border-left-color: var(--danger);
}

.site-footer {
  width: min(1280px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 0 0 2.5rem;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .site-layout,
  .hero-grid,
  .card-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header,
  .doc-content {
    padding: 1.25rem;
  }

  .site-layout,
  .site-footer {
    width: min(100% - 1.5rem, 1280px);
  }
}