:root {
  color-scheme: dark;
  --ink: #f4f7fb;
  --muted: #9ca8b8;
  --night: #080a0f;
  --panel: #10151e;
  --cyan: #55e6ff;
  --violet: #a779ff;
  --green: #68f0a5;
  --line: #263143;
  --pixel: 4px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

code, pre, .mono { font-family: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

a { color: var(--cyan); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ── shell ─────────────────────────────────────────────── */

.docs-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 96px;
}

.docs-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.docs-top .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.docs-top .brand img { width: 26px; height: 26px; }

.docs-nav { display: flex; flex-wrap: wrap; gap: 4px; }
.docs-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.docs-nav a:hover { color: var(--ink); border-color: var(--line); }
.docs-nav a[aria-current="page"] { color: var(--night); background: var(--cyan); font-weight: 600; }

/* ── layout with sidebar ───────────────────────────────── */

.docs-body { display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr); }

@media (min-width: 900px) {
  .docs-body { grid-template-columns: 220px minmax(0, 1fr); gap: 56px; }
  .docs-aside { position: sticky; top: 24px; align-self: start; max-height: calc(100vh - 48px); overflow-y: auto; }
}

.docs-aside nav { display: flex; flex-direction: column; }
.docs-aside .aside-title {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 18px 0 6px;
}
.docs-aside a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 4px 0 4px 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.35;
  border-left: 2px solid transparent;
}
.docs-aside a:hover { color: var(--ink); border-left-color: var(--line); }

/* ── content ───────────────────────────────────────────── */

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

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--violet);
  margin: 0 0 10px;
}

h1 { font-size: clamp(1.9rem, 5vw, 2.7rem); line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.02em; }
h2 {
  font-size: 1.35rem;
  margin: 52px 0 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  letter-spacing: -0.01em;
  scroll-margin-top: 20px;
}
h3 { font-size: 1.02rem; margin: 30px 0 8px; color: var(--cyan); scroll-margin-top: 20px; }

.lede { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }
p, li { max-width: 74ch; }

pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.84rem;
  line-height: 1.6;
  margin: 16px 0;
}
pre code { color: #cfe3f5; }
:not(pre) > code {
  background: #151b26;
  border: 1px solid var(--line);
  padding: 1px 6px;
  font-size: 0.86em;
  color: var(--green);
}

.note {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: #0d131c;
  padding: 14px 16px;
  margin: 20px 0;
}
.note strong { color: var(--cyan); }

table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 0.92rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }

.pipeline { display: grid; gap: 10px; margin: 22px 0; }
@media (min-width: 720px) { .pipeline { grid-template-columns: repeat(4, 1fr); } }
.pipeline div { border: 1px solid var(--line); background: var(--panel); padding: 12px 14px; }
.pipeline b { display: block; font-size: 0.7rem; letter-spacing: 0.14em; color: var(--green); margin-bottom: 6px; }
.pipeline span { font-size: 0.86rem; color: var(--muted); }

.cardgrid { display: grid; gap: 16px; margin: 28px 0; }
@media (min-width: 760px) { .cardgrid { grid-template-columns: repeat(3, 1fr); } }
.cardgrid a {
  display: block;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 20px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 140ms linear, transform 140ms steps(2, end);
}
.cardgrid a:hover { border-color: var(--cyan); transform: translateY(-2px); }
.cardgrid .idx { font-size: 0.7rem; letter-spacing: 0.16em; color: var(--violet); }
.cardgrid h2 { border: 0; margin: 8px 0 6px; padding: 0; font-size: 1.15rem; }
.cardgrid p { color: var(--muted); font-size: 0.9rem; margin: 0; }

.repo-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  gap: 8px;
  padding: 0 16px;
  margin: 8px 10px 8px 0;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
}
.repo-link:hover { border-color: var(--cyan); }

footer.docs-footer {
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.82rem;
}
footer.docs-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 10px;
  color: var(--muted);
  margin-left: 4px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .cardgrid a:hover { transform: none; }
}