/* The help site, in SME's own look: its tokens from src/ui/styles.css, and round inset frames (D-124). */
:root {
  color-scheme: light dark;
  --background: #f8fafc;
  --foreground: #0f172a;
  --card: #ffffff;
  --muted: #f1f5f9;
  --muted-foreground: #475569;
  --border: #cbd5e1;
  --primary: #1d4ed8;
  --primary-foreground: #ffffff;
  --radius: 0.625rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0b1120;
    --foreground: #e2e8f0;
    --card: #111a2e;
    --muted: #1a2438;
    --muted-foreground: #a3b1c6;
    --border: #2b3a55;
    --primary: #93b4ff;
    --primary-foreground: #0b1120;
  }
}
* { box-sizing: border-box; }
html { scroll-padding-top: 5rem; }
body { margin: 0; background: var(--background); color: var(--foreground); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; overflow-wrap: anywhere; }
a { color: var(--primary); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 0.5rem; z-index: 3; background: var(--card); padding: 0.5rem 0.75rem; border-radius: var(--radius); }

.top { position: sticky; top: 0; z-index: 2; display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center; padding: 0.75rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--border); }
.name { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--foreground); text-decoration: none; }
.ways { margin: 0 0 0 auto; display: flex; gap: 0.75rem; align-items: center; font-size: 0.9375rem; }
.ways .go { background: var(--primary); color: var(--primary-foreground); padding: 0.375rem 0.75rem; border-radius: var(--radius); text-decoration: none; font-weight: 500; }

.search { position: relative; flex: 1 1 14rem; max-width: 28rem; }
.search input { width: 100%; font: inherit; color: inherit; background: var(--background); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.4rem 0.75rem; }
.search input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.search.big { max-width: 36rem; margin: 1.25rem auto 0; }
.search.big input { padding: 0.75rem 1rem; font-size: 1.0625rem; background: var(--card); }
.results { position: absolute; left: 0; right: 0; top: calc(100% + 0.25rem); background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 8px 24px rgb(15 23 42 / 0.15); overflow: hidden; z-index: 3; text-align: left; }
.results a, .found a { display: block; padding: 0.625rem 0.875rem; text-decoration: none; color: var(--foreground); border-bottom: 1px solid var(--muted); }
.results a:hover, .found a:hover { background: var(--muted); }
.results strong, .found strong { display: block; }
.results span, .found span { display: block; color: var(--muted-foreground); font-size: 0.875rem; }
.results p { margin: 0; padding: 0.75rem; color: var(--muted-foreground); }
.found { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); }

.shell { display: grid; grid-template-columns: 17rem minmax(0, 1fr); gap: 2.5rem; max-width: 76rem; margin: 0 auto; padding: 1.75rem 1.25rem 3rem; }
.side { position: sticky; top: 4.75rem; align-self: start; max-height: calc(100vh - 5.5rem); overflow-y: auto; font-size: 0.9375rem; }
.side summary { display: none; }
.side ul, .toc ul { list-style: none; margin: 0; padding: 0; }
.side a { display: block; padding: 0.25rem 0.625rem; border-radius: calc(var(--radius) - 2px); color: var(--foreground); text-decoration: none; }
.side a:hover { background: var(--muted); }
.side a[aria-current="page"] { background: var(--muted); color: var(--primary); font-weight: 600; }
.nav-title { margin: 1rem 0 0.25rem; padding: 0 0.625rem; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted-foreground); }
.side .nav-title:first-of-type { margin-top: 0; }

main { min-width: 0; max-width: 46rem; }
.crumb { font-size: 0.875rem; color: var(--muted-foreground); margin-bottom: 0.5rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
h2 { font-size: 1.375rem; line-height: 1.3; margin: 2.25rem 0 0.5rem; }
h3 { font-size: 1.0625rem; margin: 1.5rem 0 0.25rem; }
.lead { font-size: 1.125rem; color: var(--muted-foreground); margin: 0 0 1.25rem; }
p, ul, ol { margin: 0 0 1rem; }
article ol, article ul { padding-left: 1.5rem; }
article li { margin-bottom: 0.4rem; }
code { background: var(--muted); padding: 0.1rem 0.3rem; border-radius: 0.25rem; font-size: 0.9em; }
figure { margin: 1.25rem 0; }
figure img { display: block; max-width: 100%; height: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.note { background: var(--muted); border-left: 3px solid var(--primary); border-radius: var(--radius); padding: 0.75rem 1rem; margin: 1.25rem 0; }
.note p { margin: 0; }
.concept { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 0 0 1.25rem; }
.concept p { margin: 0; }
.concept .picture { font-size: 0.875rem; font-weight: 600; color: var(--primary); margin-bottom: 0.25rem; }
.toc { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem 1rem; margin: 0 0 1.5rem; font-size: 0.9375rem; }
.toc .nav-title { margin-top: 0; padding: 0; }
.toc li { padding: 0.1rem 0; }
.still { margin-top: 2.5rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; }
.still h2 { margin: 0 0 0.25rem; font-size: 1.0625rem; }
.still p { margin: 0; }
.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; }
.pager a { flex: 1 1 0; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.625rem 0.875rem; text-decoration: none; font-weight: 500; }
.pager a:hover { background: var(--muted); }
.pager span { display: block; font-size: 0.75rem; color: var(--muted-foreground); font-weight: 400; }
.pager .next { text-align: right; margin-left: auto; }

.hero { text-align: center; padding: 1.5rem 0 1.75rem; }
.hero h1 { font-size: 2.5rem; }
.cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(14.5rem, 1fr)); gap: 0.875rem; margin: 0 0 2rem; }
.cards a { display: block; height: 100%; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; text-decoration: none; color: var(--foreground); }
.cards a:hover { border-color: var(--primary); }
.cards strong { display: block; color: var(--primary); margin-bottom: 0.25rem; }
.cards span { display: block; font-size: 0.875rem; color: var(--muted-foreground); line-height: 1.45; }

.foot { display: flex; flex-wrap: wrap; gap: 1.25rem; justify-content: center; padding: 1.5rem 1.25rem 2.5rem; border-top: 1px solid var(--border); font-size: 0.875rem; }

@media (min-width: 62rem) {
  main:has(.hero) { max-width: 100%; }
}
@media (max-width: 52rem) {
  .shell { grid-template-columns: minmax(0, 1fr); gap: 1rem; padding: 1rem 1rem 2.5rem; }
  .side { position: static; max-height: none; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.625rem 0.75rem; }
  .side summary { display: list-item; cursor: pointer; font-weight: 600; }
  .top .search { order: 3; flex-basis: 100%; max-width: none; }
  .ways { margin-left: auto; }
  h1, .hero h1 { font-size: 1.75rem; }
}