/* Shared audience navigation. Static page navigation remains the no-JS fallback. */
:root {
  --estate-bg: var(--bg, #050810);
  --estate-surface: var(--surface, var(--panel, #0b1020));
  --estate-surface-2: var(--surface-2, var(--panel2, #0e1428));
  --estate-text: var(--text, var(--ink, #f2ede3));
  --estate-muted: var(--text-muted, var(--muted, #a4a8b3));
  --estate-dim: var(--text-dim, var(--faint, #8994ad));
  --estate-line: var(--border, var(--line, #263050));
  --estate-line-strong: var(--border-bright, var(--control-line, #596581));
  --estate-serif: var(--serif, Georgia, "Times New Roman", serif);
  --estate-sans: var(--sans, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif);
  --estate-mono: var(--mono, ui-monospace, "SF Mono", Menlo, monospace);
  --estate-bar-height: 64px;
}

/* The generated header and its enhancement share one geometry. Audience
   navigation also stands on its own when scripts are unavailable. */
  html:is(.estate-arriving, [data-audience]) { --nav-height: var(--estate-bar-height); --strip-height: 0px; }
  html:is(.estate-arriving, [data-audience]) .estate-strip,
  html:is(.estate-arriving, [data-audience]) .estate-strip-web { display: none; }
  html:is(.estate-arriving, [data-audience]) body.has-strip { padding-top: 0; }
  html:is(.estate-arriving, [data-audience]) nav.site-nav,
  html:is(.estate-arriving, [data-audience]) nav.topnav {
    box-sizing: border-box;
    height: var(--estate-bar-height);
    min-height: var(--estate-bar-height);
    padding: 10px 24px;
    gap: 14px;
    flex-wrap: nowrap;
    justify-content: flex-start;
    border-bottom: 1px solid var(--estate-line);
  }
  html:is(.estate-arriving, [data-audience]) nav.site-nav { position: relative; max-width: 1180px; }
  html:is(.estate-arriving, [data-audience]) body.has-strip .topnav { top: 0; }
  html:is(.estate-arriving, [data-audience]):not(:has(nav.site-nav, nav.topnav)) body { padding-top: var(--estate-bar-height); }
  /* Generated fallback navigation also serves the self-styled culture pages. */
  html:is(.estate-arriving, [data-audience]):not(:has(link[href*="/shared/theme.css"])):has(nav.topnav) body { padding-top: calc(var(--estate-bar-height) + 32px); }
  html:is(.estate-arriving, [data-audience]):not(:has(link[href*="/shared/theme.css"])) nav.topnav {
    position: fixed; inset: 0 0 auto; z-index: 95; display: flex;
    background: var(--estate-bg); color: var(--estate-text); border-bottom: 1px solid var(--estate-line);
  }
  html:is(.estate-arriving, [data-audience]):not(:has(link[href*="/shared/theme.css"])) nav.topnav .logo { color: var(--estate-text); font: 700 17px/1.2 var(--estate-sans); text-decoration: none; }

.estate-ready [hidden], html[data-audience] nav [hidden] { display: none !important; }
.estate-ready .brand-tail { display: none; }
html[data-audience] nav.topnav .logo { color: var(--estate-text); font: 700 17px/1.2 var(--estate-sans); text-decoration: none; white-space: nowrap; }
.estate-quick-actions,
html[data-audience] .site-nav .links,
html[data-audience] .topnav .nav-actions { display: flex; flex: 0 1 auto; order: initial; align-items: center; flex-wrap: nowrap; gap: 4px; margin: 0 0 0 auto; min-width: 0; padding: 0; overflow: visible; }
.estate-quick-link, .estate-open, html[data-audience] nav .nav-essential {
  min-height: 40px; display: inline-flex; align-items: center; justify-content: center;
  box-sizing: border-box; border: 1px solid transparent; border-radius: 0; padding: 7px 9px;
  color: var(--estate-muted) !important; background: transparent;
  font: 600 12px/1.2 var(--estate-sans) !important; text-decoration: none; white-space: nowrap;
}
.estate-quick-link:hover, .estate-quick-link:focus-visible,
.estate-quick-link[aria-current="page"], html[data-audience] nav .nav-essential:hover { color: var(--estate-text) !important; text-decoration: underline; text-underline-offset: 5px; }
.estate-audience-exit, html[data-audience] nav .nav-audience { border-left-color: var(--estate-line); margin-left: 4px; }
.estate-open { cursor: pointer; border-color: var(--estate-line); color: var(--estate-text) !important; }
.estate-open:hover, .estate-open:focus-visible { border-color: var(--room-accent, var(--estate-text)); }
.estate-ready .estate-quick-actions .toggle { position: static !important; margin: 0; min-width: 40px; min-height: 40px; border: 1px solid var(--estate-line); border-radius: 0; background: transparent; font-size: 12px; }
.estate-open:focus-visible, .estate-quick-link:focus-visible,
.estate-room-link:focus-visible, .estate-library-link:focus-visible,
html[data-audience] nav .nav-essential:focus-visible {
  outline: 3px solid var(--room-accent, var(--estate-text)); outline-offset: 3px;
}
nav.estate-bar {
  position: fixed; inset: 0 0 auto; z-index: 95; box-sizing: border-box;
  height: var(--estate-bar-height); display: flex; align-items: center; gap: 14px;
  padding: 10px 24px; border-bottom: 1px solid var(--estate-line);
  background: var(--estate-bg); color: var(--estate-text); font-family: var(--estate-sans);
}
.estate-bar-brand { color: var(--estate-text) !important; font: 700 17px/1.2 var(--estate-sans); text-decoration: none !important; }
nav.estate-bar .toggle { border: 1px solid var(--estate-line-strong); border-radius: 999px; padding: 6px 12px; color: var(--estate-text); cursor: pointer; }

/* Search is an explicit secondary view, scoped to the page's audience by
   default. A visitor can include the other audience without changing identity. */
.estate-atlas {
  width: min(960px, calc(100vw - 32px)); max-width: none; height: min(780px, calc(100dvh - 40px)); max-height: none;
  margin: auto; padding: 0; overflow: hidden; border: 1px solid var(--estate-line-strong); border-radius: 16px;
  background: var(--estate-bg); color: var(--estate-text); box-shadow: 0 22px 90px #0006; font-family: var(--estate-sans);
}
.estate-atlas::backdrop { background: #0008; }
.estate-atlas-fallback { position: fixed; inset: 20px; z-index: 300; }
.estate-atlas-shell { height: 100%; display: flex; flex-direction: column; min-height: 0; }
.estate-atlas-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 24px 28px 18px; }
.estate-atlas-heading { min-width: 0; }
.estate-atlas-eyebrow { margin-bottom: 8px; color: var(--estate-muted); font: 600 11px/1.3 var(--estate-mono); }
.estate-atlas-title { margin: 0; color: var(--estate-text); font: 500 clamp(26px, 4vw, 38px)/1.1 var(--estate-serif); }
.estate-atlas-subtitle { margin: 8px 0 0; color: var(--estate-muted); font-size: 13px; line-height: 1.5; }
.estate-atlas-close { min-height: 40px; flex: 0 0 auto; border: 1px solid var(--estate-line-strong); border-radius: 7px; padding: 7px 12px; background: var(--estate-surface); color: var(--estate-text); cursor: pointer; }
.estate-search { display: flex; align-items: center; gap: 12px; margin: 0 28px; min-height: 48px; border: 1px solid var(--estate-line-strong); border-radius: 8px; padding: 0 14px; background: var(--estate-surface); }
.estate-search:focus-within { outline: 2px solid var(--room-accent, var(--estate-text)); outline-offset: 2px; }
.estate-search-label { color: var(--estate-muted); font: 500 11px/1.3 var(--estate-mono); white-space: nowrap; }
.estate-search-input { width: 100%; min-width: 0; height: 48px; padding: 0; border: 0; outline: 0; background: transparent; color: var(--estate-text); font: 500 16px/1 var(--estate-sans); }
.estate-search-input::placeholder { color: var(--estate-dim); }
.estate-search-audience { display: flex; align-items: center; gap: 8px; margin: 12px 28px 0; color: var(--estate-muted); font-size: 12px; }
.estate-search-audience input { width: 16px; height: 16px; margin: 0; }
.estate-result-status { margin: 8px 28px; color: var(--estate-muted); font: 500 11px/1.5 var(--estate-mono); }
.estate-atlas-doors { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 6px 28px 24px; }
.estate-atlas-door { margin: 0 0 20px; }
.estate-door-title { margin: 0 0 10px; color: var(--estate-text); font: 650 14px/1.4 var(--estate-sans); }
.estate-room-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.estate-room-link { display: flex; align-items: flex-start; gap: 12px; min-width: 0; border: 1px solid var(--estate-line); border-radius: 8px; padding: 12px; background: var(--estate-surface); text-decoration: none !important; }
.estate-room-link:hover, .estate-room-link[aria-current="page"] { border-color: var(--room-accent, var(--estate-line-strong)); }
.estate-room-copy { flex: 1; min-width: 0; }
.estate-room-label { display: block; color: var(--estate-text); font: 650 13px/1.4 var(--estate-sans); }
.estate-room-note { display: block; margin-top: 3px; color: var(--estate-muted); font-size: 11px; line-height: 1.5; overflow-wrap: anywhere; }
.estate-room-state { flex: 0 0 auto; max-width: 75px; color: var(--estate-muted); font: 500 10px/1.4 var(--estate-mono); }
.estate-atlas-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 28px; border-top: 1px solid var(--estate-line); background: var(--estate-surface); }
.estate-atlas-boundary { margin: 0; color: var(--estate-muted); font-size: 11px; line-height: 1.5; }
.estate-atlas-machine { color: var(--estate-text) !important; white-space: nowrap; font-size: 12px; }

/* Reference pages keep a short local outline. The wider inventory lives in
   Search and Build rather than repeating beside every article. */
.estate-library { display: block; padding: 2px 0 24px; }
.estate-library-heading { margin: 12px 0; color: var(--estate-muted); font: 500 12px/1.4 var(--estate-sans); }
.estate-library-list { list-style: none; margin: 0 0 12px; padding: 0; }
.estate-library-link { display: block; box-sizing: border-box; min-height: 36px; padding: 8px 0; color: var(--estate-muted) !important; text-decoration: none !important; font: 500 12.5px/1.4 var(--estate-sans); overflow-wrap: anywhere; }
.estate-library-link:hover, .estate-library-link[aria-current] { color: var(--estate-text) !important; text-decoration: underline !important; text-underline-offset: 4px; }
.estate-library-paths { border-top: 1px solid var(--estate-line); margin-top: 16px; padding-top: 12px; }
.estate-ready aside.sidebar [data-estate-legacy] { display: none !important; }

@media (max-width: 720px) {
  html:is(.estate-arriving, [data-audience]) { --estate-bar-height: 100px; }
  html:is(.estate-arriving, [data-audience]) nav.site-nav, html:is(.estate-arriving, [data-audience]) nav.topnav, nav.estate-bar {
    padding: 8px 16px; flex-wrap: wrap; gap: 4px 12px; align-content: center;
  }
  html:is(.estate-arriving, [data-audience]) .site-nav .wordmark,
  html:is(.estate-arriving, [data-audience]) .topnav .logo { min-height: 24px; }
  .estate-quick-actions,
  html[data-audience] .site-nav .links,
  html[data-audience] .topnav .nav-actions { flex: 1 0 100%; justify-content: flex-start; flex-wrap: wrap; gap: 2px; margin: 0; overflow: visible; }
  /* Leave room for wider system fonts so Search stays on the same mobile row. */
  .estate-quick-link, .estate-open, html[data-audience] nav .nav-essential { min-height: 36px; font-size: 11px !important; padding-inline: 3px; }
  .estate-audience-exit, html[data-audience] nav .nav-audience { margin-left: 2px; }
  html[data-audience] nav.site-nav > .toggle,
  html[data-audience] nav.topnav > .toggle,
  .estate-ready .estate-quick-actions .toggle { position: absolute !important; top: 8px; right: 20px; margin: 0; min-width: 32px; min-height: 36px; width: 32px; height: 36px; padding: 0; overflow: hidden; font-size: 0; }
  html[data-audience][data-mode="night"] nav .toggle::before { content: "☀"; font-size: 16px; }
  html[data-audience][data-mode="dawn"] nav .toggle::before { content: "☾"; font-size: 16px; }
  .estate-atlas { width: calc(100vw - 16px); height: calc(100dvh - 16px); }
  .estate-atlas-header { padding: 18px 16px 14px; gap: 10px; }
  .estate-search { margin-inline: 16px; }
  .estate-search-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .estate-search-audience, .estate-result-status { margin-inline: 16px; }
  .estate-atlas-doors { padding-inline: 16px; }
  .estate-room-list { grid-template-columns: minmax(0, 1fr); }
  .estate-atlas-footer { padding: 10px 16px; flex-wrap: wrap; gap: 6px; }
}
@media (forced-colors: active) {
  .estate-quick-link, .estate-open, .estate-room-link { border-color: ButtonText; }
  .estate-atlas::backdrop { background: Canvas; opacity: .8; }
}

/* Shared URLs can represent several Build entries. Search keeps the matched
   name, group and status together instead of borrowing the first entry's label. */
.estate-room-context { display: block; margin-top: 5px; color: var(--estate-muted); font: 500 10px/1.5 var(--estate-mono); }

/* Direct public toolkit links must clear the shared fixed header. */
article[data-toolkit-module][id] { scroll-margin-top: calc(var(--nav-height, 64px) + 1rem); }