/* xlvane.github.io: one stylesheet, light and dark, no external fonts. */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-code: #f2f3f8;
  --fg: #1b1f2e;
  --fg-muted: #555c72;
  --line: #dfe2ec;
  --accent: #3b4fd8;
  --accent-strong: #2a3aa8;
  --accent-soft: #eceffd;
  --warn: #8a5a00;
  --warn-soft: #fff4dc;
  --error: #a32020;
  --error-soft: #fdecec;
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141c;
    --bg-soft: #191c27;
    --bg-code: #1c2030;
    --fg: #e5e7f0;
    --fg-muted: #9aa0b8;
    --line: #2c3142;
    --accent: #8b9cf7;
    --accent-strong: #b0bcff;
    --accent-soft: #1e2447;
    --warn: #f0c060;
    --warn-soft: #3a2f14;
    --error: #ff8f8f;
    --error-soft: #3d1c1c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 var(--sans); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }
code, pre { font-family: var(--mono); font-size: 0.875em; }
code { background: var(--bg-code); border-radius: 4px; padding: 0.1em 0.35em; overflow-wrap: anywhere; }
pre { background: var(--bg-code); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; font-size: 1em; overflow-wrap: normal; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--bg); padding: 6px 10px; z-index: 10; }

/* Header and footer */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.bar { max-width: 1180px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
.logo { width: 22px; height: 22px; background: url("favicon.svg") center / contain no-repeat; }
.version { font: 12px/1 var(--mono); color: var(--fg-muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 8px; }
.main-nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a { color: var(--fg); text-decoration: none; padding: 6px 10px; border-radius: 6px; }
.main-nav a:hover, .main-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-strong); }
.site-footer { overflow-wrap: anywhere; border-top: 1px solid var(--line); color: var(--fg-muted); font-size: 0.875rem; margin-top: 48px; }
.site-footer p { max-width: 1180px; margin: 0 auto; padding: 20px 16px; }

/* Layout */
.layout { max-width: 1180px; margin: 0 auto; padding: 24px 16px; }
.layout main { min-width: 0; max-width: 820px; }
.layout.wide main { max-width: none; }
.layout.with-toc { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 40px; }
.layout.with-toc main { grid-column: 1; grid-row: 1; }
.toc { grid-column: 2; grid-row: 1; position: sticky; top: 72px; align-self: start; max-height: calc(100vh - 96px); overflow-y: auto; font-size: 0.875rem; }
.toc-title { font-weight: 600; margin: 0 0 6px; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 2px 0; }
.toc .toc-3 { padding-left: 12px; }
.toc a { color: var(--fg-muted); text-decoration: none; }
.toc a:hover { color: var(--accent); }
@media (max-width: 900px) {
  .layout.with-toc { display: block; }
  .toc { display: none; }
}
@media (max-width: 640px) {
  .site-header { position: static; }
  .main-nav { margin-left: 0; width: 100%; flex-wrap: nowrap; overflow-x: auto; }
  .main-nav a { padding: 6px 8px; white-space: nowrap; }
  .anchor { display: none; }
}

/* Documents */
.doc h1 { font-size: 2rem; line-height: 1.25; margin: 0.4em 0 0.6em; }
.doc h2 { font-size: 1.45rem; margin: 1.8em 0 0.6em; padding-top: 0.4em; border-top: 1px solid var(--line); }
.doc h3 { font-size: 1.15rem; margin: 1.5em 0 0.5em; }
.doc h4 { margin: 1.3em 0 0.4em; }
.doc h1, .doc h2, .doc h3, .doc h4 { position: relative; scroll-margin-top: 72px; overflow-wrap: anywhere; }
.doc p, .doc li { overflow-wrap: break-word; }
.anchor { position: absolute; left: -1em; width: 1em; color: var(--fg-muted); text-decoration: none; opacity: 0; }
h1:hover .anchor, h2:hover .anchor, h3:hover .anchor, h4:hover .anchor, .anchor:focus { opacity: 1; }
.doc li { margin: 0.25em 0; }
.table { overflow-x: auto; margin: 1em 0; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; vertical-align: top; padding: 7px 10px; border-bottom: 1px solid var(--line); }
th { background: var(--bg-soft); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.align-right { text-align: right; }
.align-center { text-align: center; }
.source { color: var(--fg-muted); font-size: 0.875rem; margin-top: 3em; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.guide-nav a { font-size: 0.875rem; text-decoration: none; color: var(--fg-muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
.guide-nav a[aria-current="page"], .guide-nav a:hover { color: var(--accent-strong); border-color: var(--accent); background: var(--accent-soft); }

/* Landing page */
.hero { padding: 32px 0 8px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.01em; }
.lead { font-size: 1.15rem; color: var(--fg-muted); max-width: 720px; }
.install code { display: inline-block; font-size: 1rem; padding: 10px 14px; border: 1px solid var(--line); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.button { display: inline-block; padding: 9px 16px; border-radius: var(--radius); border: 1px solid var(--line); color: var(--fg); text-decoration: none; font-weight: 600; }
.button:hover { border-color: var(--accent); color: var(--accent-strong); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.button.primary:hover { background: var(--accent-strong); color: var(--bg); }
section h2 { margin-top: 1.6em; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.card { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--fg); text-decoration: none; background: var(--bg-soft); }
.card:hover { border-color: var(--accent); color: var(--fg); }
.card h3 { margin: 0 0 6px; font-size: 1rem; color: var(--accent-strong); }
.card p { margin: 0; font-size: 0.925rem; color: var(--fg-muted); }

/* Demo */
.drop { display: block; border: 2px dashed var(--line); border-radius: var(--radius); padding: 28px 16px; text-align: center; background: var(--bg-soft); cursor: pointer; }
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop strong { color: var(--accent-strong); }
.privacy { color: var(--fg-muted); font-size: 0.9rem; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0; }
button { font: inherit; font-weight: 600; padding: 7px 14px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg); color: var(--fg); cursor: pointer; }
button:hover { border-color: var(--accent); color: var(--accent-strong); }
select { font: inherit; padding: 6px 8px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg); color: var(--fg); max-width: 100%; }
.status { color: var(--fg-muted); }
.notice { padding: 10px 14px; border-radius: var(--radius); margin: 12px 0; }
.notice.error { background: var(--error-soft); color: var(--error); }
.notice.warn { background: var(--warn-soft); color: var(--warn); }
.notice p { margin: 4px 0; }
.preview table { width: auto; min-width: 50%; }
.preview td, .preview th { white-space: pre; max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
.preview tbody th { color: var(--fg-muted); font-weight: 500; text-align: right; }
details { margin: 12px 0; }
summary { cursor: pointer; font-weight: 600; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }