/* ---- base layout: shared by every theme ---- */
:root {
  --rainbow: linear-gradient(90deg, #ff2d55, #ff9500 18%, #ffcc00 34%, #30d158 52%, #00b0ff 70%, #5e5cE6 85%, #bf5af2);
  --max-w: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --radius: 10px;
  --header-h: 60px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--link-hover); }
code, pre { font-family: var(--font-mono); font-size: 0.9em; }
:not(pre) > code { background: var(--code-inline-bg); padding: 0.12em 0.38em; border-radius: 5px; }
pre {
  background: var(--code-bg); color: var(--code-fg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius); padding: 16px 18px; overflow-x: auto; line-height: 1.55;
}
pre code { background: none; padding: 0; font-size: 0.86rem; }
.v-pass { color: var(--pass); font-weight: 600; }
.v-fail { color: var(--fail); font-weight: 600; }
.v-skip, .v-warn { color: var(--warn); font-weight: 600; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 10; height: var(--header-h);
  background: var(--header-bg); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--rainbow); opacity: var(--rainbow-rule, 0); }
.header-inner { max-width: var(--max-w); margin: 0 auto; height: 100%; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.site-nav { display: flex; gap: clamp(12px, 3vw, 28px); }
.site-nav a { color: var(--fg-muted); text-decoration: none; font-size: 0.94rem; font-weight: 500; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--fg); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); padding-bottom: 2px; }

/* generic content */
.site-main { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
article h1 { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 2.8rem); line-height: 1.12; letter-spacing: -0.025em; margin: 0.4em 0 0.5em; }
article h2 { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: -0.015em; margin: 2.4em 0 0.6em; padding-top: 0.2em; }
article h3 { font-size: 1.12rem; margin: 1.8em 0 0.4em; }
article > p:first-of-type { font-size: 1.12rem; color: var(--fg-soft); }
article li { margin: 0.35em 0; }
article strong { color: var(--fg-strong); }
table { display: block; overflow-x: auto; border-collapse: collapse; width: 100%; font-size: 0.93rem; margin: 1.2em 0; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--fg-muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
td code { white-space: nowrap; }
hr { border: 0; height: 1px; background: var(--border); }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(32px, 6vw, 80px) 0 clamp(24px, 4vw, 48px); }
.eyebrow { margin: 0 0 14px; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-family: var(--font-display); font-size: clamp(2.3rem, 5.4vw, 3.9rem); line-height: 1.03; letter-spacing: -0.035em; margin: 0 0 20px; color: var(--fg-strong); }
.lede { font-size: 1.12rem; color: var(--fg-soft); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; height: 44px; padding: 0 20px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--fg); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.btn:hover { color: var(--fg); border-color: var(--fg-muted); }
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); border-color: transparent; }
.btn-primary:hover { color: var(--btn-fg); filter: brightness(1.08); }
.install { display: inline-block; margin: 0; padding: 10px 16px; font-size: 0.9rem; }
.install code::before { content: "$ "; color: var(--fg-muted); }
.hero-media { margin: 0; }
.hero-media video { width: 100%; border-radius: calc(var(--radius) + 4px); border: 1px solid var(--border); box-shadow: var(--media-shadow); background: #0b1020; }
figcaption { font-size: 0.82rem; color: var(--fg-muted); margin-top: 10px; }

.home-body { max-width: 980px; padding-bottom: 64px; }
.home-body > p:first-of-type { font-size: 1.15rem; }
.figure-media { margin: 1.4em 0; }
.figure-media video { border-radius: var(--radius); border: 1px solid var(--border); }

/* docs */
.docs-layout { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 200px minmax(0, 1fr) 190px; gap: 40px; align-items: start; }
.docs-nav { position: sticky; top: calc(var(--header-h) + 24px); padding-top: 32px; }
.docs-nav ol, .toc ol { list-style: none; margin: 0; padding: 0; }
.docs-nav a { display: block; padding: 6px 12px; border-radius: 8px; color: var(--fg-muted); text-decoration: none; font-size: 0.93rem; }
.docs-nav a:hover { color: var(--fg); background: var(--hover-bg); }
.docs-nav a[aria-current="page"] { color: var(--fg-strong); background: var(--active-bg); font-weight: 600; }
.docs-main { padding: 28px 0 64px; max-width: 760px; }
.toc { position: sticky; top: calc(var(--header-h) + 24px); padding-top: 36px; font-size: 0.85rem; }
.toc p { margin: 0 0 8px; font-weight: 600; color: var(--fg-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.toc a { display: block; padding: 3px 0 3px 12px; border-left: 1px solid var(--border); color: var(--fg-muted); text-decoration: none; }
.toc a:hover { color: var(--fg); border-left-color: var(--accent); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 14px; font-size: 0.85rem; color: var(--fg-muted); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; opacity: 0.6; }
.breadcrumb a { color: var(--fg-muted); text-decoration: none; }
.pkg-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; font-size: 0.85rem; color: var(--fg-muted); padding: 10px 0; border-bottom: 1px solid var(--border); }
.pkg-bar .pkg code { background: none; padding: 0; color: var(--fg-strong); font-weight: 600; }
.pkg-bar .ver { font-family: var(--font-mono); font-size: 0.78rem; padding: 2px 8px; border-radius: 999px; background: var(--badge-bg); color: var(--badge-fg); }
.pkg-bar a { color: var(--fg-muted); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; }
.pager a { display: block; padding: 14px 18px; border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; color: var(--fg-strong); font-weight: 600; }
.pager a span { display: block; font-size: 0.75rem; font-weight: 500; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.pager a[rel="next"] { grid-column: 2; text-align: right; }
.pager a:hover { border-color: var(--accent); }
.page { max-width: 900px; padding-top: 28px; padding-bottom: 64px; }

/* footer */
.site-footer { border-top: 1px solid var(--border); background: var(--footer-bg); }
.footer-inner { max-width: var(--max-w); margin: 0 auto; padding: 28px var(--gutter) 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: 0.86rem; color: var(--fg-muted); }
.footer-inner p { margin: 0; max-width: 34em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-links a { color: var(--fg-muted); }

@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 190px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .docs-layout { display: block; }
  .docs-nav { position: static; padding-top: 16px; }
  .docs-nav ol { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
  .docs-nav a { white-space: nowrap; }
  .site-nav a[href^="https://github.com"] { display: none; }
}
/* A — Aurora: the trailer's night sky. Dark, deep navy, aurora teal, the rainbow C as the only loud colour. */
:root {
  color-scheme: dark;
  --font-sans: Inter, system-ui, sans-serif; --font-display: Inter, system-ui, sans-serif; --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --bg: #070b18; --fg: #c9d4e8; --fg-soft: #aebbd4; --fg-strong: #f3f6fc; --fg-muted: #7f8ba6;
  --border: #18213a; --border-strong: #2a3657; --accent: #3de0c4; --link: #7cc8ff; --link-hover: #b3e0ff;
  --code-bg: #050814; --code-fg: #d6e2f5; --code-border: #18213a; --code-inline-bg: #121a30;
  --pass: #30d158; --fail: #ff453a; --warn: #ffcc00;
  --header-bg: rgba(7, 11, 24, 0.78); --footer-bg: #050813; --hover-bg: #0f1730; --active-bg: #142042;
  --btn-bg: var(--rainbow); --btn-fg: #08101f; --badge-bg: #10283a; --badge-fg: #6fe7d1;
  --media-shadow: 0 30px 80px -20px rgba(61, 224, 196, 0.25), 0 10px 30px rgba(0,0,0,.5);
  --rainbow-rule: 0.7;
}
body { background: radial-gradient(1200px 520px at 75% -120px, rgba(61, 224, 196, 0.16), transparent 70%), radial-gradient(900px 500px at 10% -160px, rgba(94, 92, 230, 0.18), transparent 70%), var(--bg); background-repeat: no-repeat; }
.hero h1 { background: linear-gradient(180deg, #ffffff, #b9c6e4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.btn-primary { background: var(--rainbow); }

/* ---- Aurora polish ---- */
.home-body h2 { font-size: 1.7rem; margin-top: 2.6em; }
.home-body h2::after { content: ""; display: block; width: 56px; height: 3px; margin-top: 12px; border-radius: 3px; background: var(--rainbow); }
.home-body ol { list-style: none; counter-reset: step; padding: 0; display: grid; gap: 10px; }
.home-body ol > li { counter-increment: step; position: relative; margin: 0; padding: 14px 18px 14px 58px; background: linear-gradient(180deg, #0c1328, #0a1022); border: 1px solid var(--border); border-radius: var(--radius); }
.home-body ol > li::before { content: counter(step); position: absolute; left: 18px; top: 14px; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; font: 600 0.8rem/1 var(--font-mono); color: #08101f; background: var(--accent); }
.home-body ol > li pre { margin: 12px 0 2px; }
.home-body table { background: #0a1022; border: 1px solid var(--border); border-radius: var(--radius); }
.home-body td:first-child { white-space: nowrap; }
.home-body td:first-child a { text-decoration: none; }
.home-body td:nth-child(2) { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); }
.figure-media { background: #0a1022; border: 1px solid var(--border); border-radius: calc(var(--radius) + 4px); padding: 14px; }
.figure-media video { margin: 0 auto; border: 0; }
.figure-media figcaption { text-align: center; }
pre { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03); }
.docs-main article h2 { border-top: 1px solid var(--border); padding-top: 1.1em; margin-top: 2em; }
.docs-main article h2:first-of-type { border-top: 0; }
.site-footer { margin-top: 40px; }
::selection { background: rgba(61, 224, 196, 0.35); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { video { animation: none; } }
@media (max-width: 820px) {
  .hero { padding-top: 20px; }
  .home-body ol > li { padding-left: 52px; }
}