/* tC4 Help — plain CSS, no external fonts or CDNs. */
:root {
  --ocean: #014263; --sky: #31ade3; --ink: #1d2733; --muted: #5b6875; --line: #dde3e9;
  --paper: #ffffff; --app: #f6f8fa; --soft: #e8f5fc;
  --ok: #1f7a4d; --ok-bg: #e3f4ea; --warn: #8a5a00; --warn-bg: #fff3dc; --no: #5b6875; --no-bg: #eceff2;
  --radius: 10px; --side: 290px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--app); color: var(--ink); }
body { font-size: 16px; line-height: 1.6; }
a { color: #0b6aa2; }
code { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .88em; background: #eef2f5; padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
pre code { display: block; padding: 12px; overflow: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 6px 10px; z-index: 100; }

.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 14px; min-height: 56px; padding: 10px 18px; background: var(--ocean); color: #fff; }
/* Brand: same logo file and wordmark styling as the tC4 app top bar (AppHeader.jsx):
   logo 28px tall, 9px gap, wordmark 15.5px / 800 / -.009em in --font-ui, white on Ocean #014263,
   ® 9px / 800 / .021em, 60% white, raised. Mulish is not bundled here, so the stack falls back
   to the same system faces the app lists after Mulish. */
.brand { display: flex; align-items: center; gap: 9px; color: #fff; text-decoration: none; white-space: nowrap;
  font-family: "Mulish", "Avenir Next", "Avenir", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-weight: 600; line-height: 1.45;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.brand-logo { height: 28px; width: auto; display: block; flex: none; }
.wordmark { font-size: 15.5px; letter-spacing: -.009em; color: #fff; }
.wordmark .reg { font-size: 9px; letter-spacing: .021em; color: rgba(255,255,255,.6); vertical-align: super; margin-inline-start: 1px; }
.brand-rule { width: 1px; align-self: stretch; margin: 2px 5px; background: rgba(255,255,255,.28); }
.brand-text { font-size: 15.5px; letter-spacing: -.009em; color: #fff; }
.menu-btn { display: none; background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); border-radius: 6px; font-size: 18px; padding: 2px 10px; cursor: pointer; }
.search { position: relative; flex: 1; max-width: 560px; margin-left: auto; }
.search input { width: 100%; padding: 8px 12px; border-radius: 999px; border: 0; font-size: 15px; }
.search-results { position: absolute; top: 42px; left: 0; right: 0; background: #fff; color: var(--ink); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,.2); max-height: 70vh; overflow: auto; }
.search-results a { display: block; padding: 10px 14px; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.search-results a:hover, .search-results a.active { background: var(--soft); }
.sr-title { font-weight: 700; display: block; }
.sr-sec { font-size: 12px; color: var(--muted); }
.sr-snip { display: block; font-size: 13px; color: var(--muted); }
.sr-empty { padding: 12px 14px; color: var(--muted); }
mark { background: #fff0a8; color: inherit; padding: 0 1px; border-radius: 2px; }

.shell { display: flex; align-items: flex-start; min-height: calc(100vh - 110px); }
.sidebar { position: sticky; top: 56px; width: var(--side); flex: none; height: calc(100vh - 56px); align-self: flex-start; overflow: auto; padding: 16px 10px 40px; border-right: 1px solid var(--line); background: #fff; }
.nav-group summary { cursor: pointer; font-weight: 800; padding: 6px 8px; border-radius: 6px; list-style-position: inside; }
.nav-group summary a { color: var(--ocean); text-decoration: none; }
.nav-group ul { list-style: none; margin: 0 0 8px; padding: 0 0 0 12px; }
.nav-group li a { display: flex; align-items: center; gap: 7px; padding: 4px 8px; border-radius: 6px; text-decoration: none; color: var(--ink); font-size: 14px; line-height: 1.35; }
.nav-group li a:hover { background: var(--app); }
.nav-group li a.current { background: var(--soft); font-weight: 700; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot-shipped { background: var(--ok); } .dot-partial { background: #e59d33; } .dot-not-yet { background: #aab4bf; }

.content { flex: 1; min-width: 0; max-width: 900px; padding: 24px 36px 64px; }
.content h1 { font-size: 32px; line-height: 1.2; margin: 6px 0 10px; color: var(--ocean); }
.content h2 { font-size: 22px; margin: 30px 0 8px; color: var(--ocean); border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.content h3 { font-size: 18px; margin: 22px 0 6px; }
.crumbs { font-size: 13px; color: var(--muted); margin: 0; }
.lede { font-size: 18px; color: #34414e; }
.muted { color: var(--muted); }
.meta { display: flex; gap: 8px; flex-wrap: wrap; }
.where { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--sky); border-radius: 8px; padding: 10px 14px; }
.where-label { font-weight: 800; color: var(--ocean); }
.ui { display: inline-block; font-weight: 700; font-size: .92em; background: #fff; border: 1px solid #b9c6d2; border-bottom-width: 2px; border-radius: 6px; padding: 0 6px; line-height: 1.5; white-space: normal; }
.badge { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .02em; border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.badge-shipped { background: var(--ok-bg); color: var(--ok); }
.badge-partial { background: var(--warn-bg); color: var(--warn); }
.badge-not-yet { background: var(--no-bg); color: var(--no); }
.badge-since { background: var(--soft); color: var(--ocean); }
.callout { border-radius: 8px; padding: 10px 14px; margin: 14px 0; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--sky); }
.callout p { margin: 0; }
.callout-tip { border-left-color: var(--ok); background: #f3fbf6; }
.callout-warning { border-left-color: #c2410c; background: #fff5ef; }
.callout-offline, .callout-not-yet { border-left-color: #e59d33; background: #fffaf0; }
.content ol li, .content ul li { margin: 4px 0; }
.expected li::marker { content: "✓  "; color: var(--ok); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: #fff; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--app); }

.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.shot { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { font-size: 13px; color: var(--muted); padding: 8px 12px; border-top: 1px solid var(--line); }
.shot-ph { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-height: 180px; padding: 18px; text-align: center; color: var(--muted); background: repeating-linear-gradient(45deg, #f7f9fb, #f7f9fb 12px, #eff3f6 12px, #eff3f6 24px); }
.shot.missing img { display: none; }
.shot.missing .shot-ph { display: flex; }
.shot-ph-icon { font-size: 28px; }
.shot-ph code { font-size: 12px; }

.tested { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; margin-top: 36px; padding: 10px 14px; font-size: 13px; background: #fff; border: 1px dashed #b9c6d2; border-radius: 8px; color: var(--muted); }
.tested strong { color: var(--ocean); }
.result { font-weight: 700; }
.result-pass { color: var(--ok); } .result-fail { color: #b42318; } .result-not-yet-tested { color: var(--muted); }
.result-pass-with-known-issues { color: #9a6700; } .result-not-tested, .result-not-tested-not-built { color: var(--muted); }
.tested a { color: inherit; text-decoration: underline; }
:target { scroll-margin-top: 70px; } li:target { background: #fff4d6; }
.devrefs { margin-top: 10px; font-size: 13px; color: var(--muted); }
.devrefs summary { cursor: pointer; }
.related { columns: 2; }

.hero { padding: 6px 0 10px; }
.hero-search { display: flex; gap: 8px; margin: 14px 0; }
.hero-search input { flex: 1; padding: 12px 16px; font-size: 17px; border: 1px solid #b9c6d2; border-radius: 999px; }
.hero-search button { padding: 10px 20px; border: 0; border-radius: 999px; background: var(--ocean); color: #fff; font-weight: 700; font-size: 16px; cursor: pointer; }
.legend { font-size: 14px; color: var(--muted); }
.group h2 a { text-decoration: none; color: var(--ocean); }
.group-desc { margin: 0 0 12px; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); transition: box-shadow .15s, border-color .15s; }
.card:hover, .card:focus { border-color: var(--sky); box-shadow: 0 4px 14px rgba(1,66,99,.1); }
.card-top { display: flex; gap: 6px; flex-wrap: wrap; }
.card-title { font-weight: 800; color: var(--ocean); line-height: 1.3; }
.card-sum { font-size: 14px; color: var(--muted); line-height: 1.45; }
.search-page-results { padding-left: 20px; }
.search-page-results li { margin: 0 0 16px; }
.search-page-results a { font-weight: 700; font-size: 18px; }
.sitefoot { padding: 16px 24px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); background: #fff; }

@media (max-width: 900px) {
  .menu-btn { display: inline-block; }
  .sidebar { position: fixed; top: 56px; left: 0; bottom: 0; z-index: 15; transform: translateX(-100%); transition: transform .2s; box-shadow: 4px 0 20px rgba(0,0,0,.15); }
  body.nav-open .sidebar { transform: none; }
  .content { padding: 18px; }
  .brand-text, .brand-rule { display: none; }
  .related { columns: 1; }
}
@media print {
  .topbar, .sidebar, .sitefoot, .devrefs { display: none; }
  .content { max-width: none; padding: 0; }
}
/* inline screenshots ({{shot N}}): drawn at 2x, shown at half size, never wider than the column */
.shot-inline { margin: 14px 0 22px; }
.shot-inline img { display: block; max-width: 100%; height: auto; }
.shot-inline.overview { margin: 8px 0 26px; }
.shot-inline a { display: inline-block; max-width: 100%; }