:root {
  color-scheme: dark;
  --bg: #06101d;
  --panel: #0b1b2d;
  --panel-2: #10263d;
  --text: #f4f8fc;
  --muted: #b6c7d8;
  --quiet: #8da4bb;
  --line: #29435d;
  --cyan: #36e4d4;
  --blue: #78baff;
  --gold: #ffd166;
  --free: #82d9ff;
  --pro: #d2b4ff;
  --danger: #ffb4ab;
  --radius: 16px;
  --content: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 0, rgba(54, 228, 212, 0.09), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

a { color: var(--blue); text-underline-offset: 0.18em; }
a:hover { color: var(--cyan); }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 5px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: #fff;
  color: #07111f;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header,
.page-shell,
.site-footer {
  width: min(var(--content), calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}
.brand span { color: var(--cyan); }
.site-header nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}
.site-header nav a:hover { color: var(--text); }

.page-shell { padding: 44px 0 70px; }
.hero { max-width: 820px; padding: 34px 0 44px; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 { overflow-wrap: anywhere; line-height: 1.2; text-wrap: pretty; }
h1 { margin: 0; font-size: clamp(2.25rem, 6vw, 4.6rem); letter-spacing: -0.045em; }
h2 { margin: 2.2rem 0 0.65rem; font-size: clamp(1.45rem, 3vw, 2rem); }
h3 { margin: 1.5rem 0 0.45rem; font-size: 1.12rem; }
p, ul, ol { max-width: 76ch; }
.lede { margin: 18px 0 0; color: var(--muted); font-size: 1.17rem; }
.note,
.warning {
  margin: 1.2rem 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  border-radius: 10px;
  background: var(--panel);
}
.warning { border-left-color: var(--gold); }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.035);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
}
.chip-free { border-color: rgba(130,217,255,0.55); color: var(--free); }
.chip-pro { border-color: rgba(210,180,255,0.55); color: var(--pro); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card {
  display: block;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(16,38,61,0.93), rgba(9,24,40,0.93));
  color: var(--text);
  text-decoration: none;
}
.card:hover { border-color: var(--cyan); color: var(--text); transform: translateY(-2px); }
.card h2, .card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }
.card .card-scope { margin-bottom: 8px; color: var(--cyan); font-size: 0.75rem; font-weight: 800; text-transform: uppercase; }

.breadcrumbs { margin: 0 0 20px; color: var(--quiet); font-size: 0.9rem; }
.breadcrumbs a { color: var(--muted); }
.docs-layout {
  display: grid;
  grid-template-columns: minmax(190px, 230px) minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}
.topic-nav {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 4px;
}
.topic-nav strong { padding: 7px 10px; color: var(--quiet); font-size: 0.75rem; text-transform: uppercase; }
.topic-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}
.topic-nav a:hover,
.topic-nav a[aria-current="page"] { background: var(--panel-2); color: var(--text); }
.mobile-topics { display: none; margin-bottom: 22px; }
.mobile-topics summary {
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  font-weight: 750;
  cursor: pointer;
}
.mobile-topics nav { display: grid; padding-top: 8px; }
.mobile-topics a { min-height: 44px; padding: 8px; }

article { min-width: 0; }
article > h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
article table { width: 100%; border-collapse: collapse; }
article th, article td { padding: 10px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
article th { background: var(--panel-2); }
.table-wrap { max-width: 100%; overflow-x: auto; }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
code { padding: 0.12em 0.3em; border-radius: 4px; background: #132b43; color: #e7f5ff; }
pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #030b13;
}
pre code { padding: 0; background: none; }

.steps { padding-left: 1.35rem; }
.steps li { margin: 0.85rem 0; padding-left: 0.35rem; }
.link-list { padding: 0; list-style: none; }
.link-list li { margin: 9px 0; }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 26px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.9rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }

.redirect-card {
  width: min(620px, calc(100% - 32px));
  margin: 15vh auto;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-align: center;
}

@media (max-width: 820px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs-layout { grid-template-columns: 1fr; gap: 0; }
  .topic-sidebar { display: none; }
  .mobile-topics { display: block; }
}

@media (max-width: 560px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .site-header nav { width: 100%; }
  .card-grid { grid-template-columns: 1fr; }
  .page-shell { padding-top: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}