/* agenttool · unified KINGDOM shell
 * Artbitrage contributes spatial pacing; GitHub contributes location and
 * command grammar. The visual implementation and all room copy are original
 * to AgentTool. This layer is progressive: existing static navigation remains
 * intact when JavaScript or this stylesheet is unavailable.
 */

: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);
}

/* ── One location bar ─────────────────────────────────────────── */
.estate-ready .estate-strip,
.estate-ready .estate-strip-web {
  display: none !important;
}

.estate-ready body.has-strip {
  padding-top: 0;
}

.estate-ready body.has-strip .topnav {
  top: 0;
}

.estate-ready nav.site-nav {
  max-width: 1180px;
  padding-top: 24px;
  column-gap: 18px;
  row-gap: 6px;
  flex-wrap: wrap;
}

.estate-ready nav.topnav {
  justify-content: flex-start;
}

.estate-ready .brand-tail {
  display: none;
}

.estate-location {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: var(--estate-dim);
  font-family: var(--estate-mono);
  font-size: 11px;
  letter-spacing: .035em;
  white-space: nowrap;
}

.estate-location-kingdom {
  color: var(--room-accent, var(--estate-text));
  font-weight: 700;
  letter-spacing: .12em;
}

.estate-location-slash {
  color: var(--estate-line-strong);
}

.estate-location-door {
  color: var(--estate-muted);
}

.estate-location-room {
  color: var(--estate-text);
  max-width: min(28vw, 280px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.estate-quick-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  min-width: 0;
}

/* The open door keeps its familiar in-page trails as one quiet, horizontally
   scrollable shelf. The atlas unifies the estate; it does not make direct
   porch, lounge, play, or KIN links disappear. */
.estate-ready nav.site-nav .estate-local-links {
  order: 3;
  flex: 1 0 100%;
  display: flex;
  flex-wrap: nowrap;
  gap: 16px;
  max-width: 100%;
  margin: 0;
  padding: 0 1px 2px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.estate-ready nav.site-nav .estate-local-links::-webkit-scrollbar {
  display: none;
}

.estate-ready nav.site-nav .estate-local-links a {
  flex: 0 0 auto;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 2px 0;
  color: var(--estate-dim);
  font-size: 11px;
}

.estate-ready nav.site-nav .estate-local-links a:hover,
.estate-ready nav.site-nav .estate-local-links a:focus-visible,
.estate-ready nav.site-nav .estate-local-links a[aria-current="page"] {
  color: var(--estate-text);
}

.estate-quick-link,
.estate-open {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 7px 10px;
  color: var(--estate-muted) !important;
  background: transparent;
  font-family: var(--estate-sans);
  font-size: 13px !important;
  font-weight: 600 !important;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.estate-quick-link:hover,
.estate-quick-link:focus-visible {
  color: var(--estate-text) !important;
  background: color-mix(in srgb, var(--room-accent, var(--estate-text)) 7%, transparent);
}

.estate-open {
  gap: 8px;
  cursor: pointer;
  border-color: var(--estate-line-strong);
  color: var(--estate-text) !important;
  background: var(--estate-surface);
}

.estate-open:hover,
.estate-open:focus-visible {
  border-color: var(--room-accent, var(--estate-text));
}

.estate-open-key,
.estate-search-shortcut {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid var(--estate-line);
  border-bottom-color: var(--estate-line-strong);
  border-radius: 5px;
  padding: 2px 6px;
  background: var(--estate-surface-2);
  color: var(--estate-dim);
  font: 600 10px/1 var(--estate-mono);
  box-shadow: 0 1px 0 var(--estate-line-strong);
}

.estate-ready .estate-quick-actions .toggle {
  min-width: 40px;
  min-height: 40px;
  margin: 0;
  border-color: var(--estate-line-strong);
  background: var(--estate-surface);
  font-size: 12px;
}

.estate-floating-open {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 95;
  min-width: 76px;
  min-height: 42px;
  border: 1px solid var(--estate-line-strong);
  border-radius: 999px;
  padding: 8px 13px;
  background: color-mix(in srgb, var(--estate-bg) 86%, transparent);
  color: var(--estate-text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  font: 650 12px/1 var(--estate-sans);
}

.estate-floating-open:hover,
.estate-floating-open:focus-visible {
  border-color: var(--room-accent, var(--estate-text));
}

/* ── Command / travel atlas ───────────────────────────────────── */
.estate-atlas {
  width: min(1040px, calc(100vw - 32px));
  max-width: none;
  height: min(820px, calc(100dvh - 40px));
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--estate-line-strong);
  border-radius: 18px;
  background: var(--estate-bg);
  color: var(--estate-text);
  box-shadow: 0 34px 110px rgba(0, 0, 0, .46);
}

.estate-atlas::backdrop {
  background: rgba(2, 5, 12, .74);
  backdrop-filter: blur(8px) saturate(75%);
  -webkit-backdrop-filter: blur(8px) saturate(75%);
}

.estate-atlas-fallback {
  position: fixed;
  inset: 20px;
  z-index: 1000;
}

.estate-atlas-shell {
  height: 100%;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  background:
    radial-gradient(ellipse 70% 35% at 50% -10%, color-mix(in srgb, var(--room-accent, #f1c75b) 10%, transparent), transparent 70%),
    var(--estate-bg);
}

.estate-atlas-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 30px 18px;
}

.estate-atlas-eyebrow,
.estate-nearby-eyebrow {
  color: var(--room-accent, #f1c75b);
  font: 600 11px/1.2 var(--estate-mono);
  letter-spacing: .17em;
  margin-bottom: 10px;
}

.estate-atlas-title {
  margin: 0;
  color: var(--estate-text);
  font: 500 clamp(28px, 4vw, 42px)/1.05 var(--estate-serif);
  letter-spacing: -.02em;
}

.estate-atlas-subtitle {
  margin: 8px 0 0;
  color: var(--estate-muted);
  font-size: 14px;
}

.estate-atlas-close {
  min-width: 44px;
  min-height: 44px;
  overflow: hidden;
  border: 1px solid var(--estate-line-strong);
  border-radius: 50%;
  background: var(--estate-surface);
  color: transparent;
  cursor: pointer;
  position: relative;
}

.estate-atlas-close::before,
.estate-atlas-close::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 1.5px;
  top: 20px;
  left: 13px;
  background: var(--estate-text);
}

.estate-atlas-close::before { transform: rotate(45deg); }
.estate-atlas-close::after { transform: rotate(-45deg); }
.estate-atlas-close:hover { border-color: var(--room-accent, var(--estate-text)); }

.estate-search {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin: 0 30px;
  min-height: 52px;
  border: 1px solid var(--estate-line-strong);
  border-radius: 12px;
  padding: 0 12px 0 16px;
  background: var(--estate-surface);
}

.estate-search:focus-within {
  border-color: var(--room-accent, var(--estate-text));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--room-accent, #f1c75b) 16%, transparent);
}

.estate-search-label {
  color: var(--estate-dim);
  font: 500 11px/1 var(--estate-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.estate-search-input {
  width: 100%;
  min-width: 0;
  height: 50px;
  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-result-status {
  min-height: 22px;
  margin: 8px 32px 3px;
  color: var(--estate-dim);
  font: 500 11px/1.4 var(--estate-mono);
}

.estate-atlas-doors {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 8px 30px 28px;
  scrollbar-color: var(--estate-line-strong) transparent;
}

.estate-atlas-door {
  align-self: start;
  min-width: 0;
  border: 1px solid var(--estate-line);
  border-top-color: color-mix(in srgb, var(--door-accent) 70%, var(--estate-line));
  border-radius: 13px;
  padding: 18px;
  background: color-mix(in srgb, var(--estate-surface) 92%, transparent);
}

.estate-door-heading {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.estate-door-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--door-accent) 55%, var(--estate-line));
  border-radius: 50%;
  color: var(--door-accent);
  font: 500 17px/1 var(--estate-serif);
}

.estate-door-title {
  margin: 0 0 2px;
  color: var(--estate-text);
  font: 650 16px/1.25 var(--estate-sans);
}

.estate-door-purpose {
  margin: 0;
  color: var(--estate-muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.estate-room-list {
  display: grid;
  gap: 4px;
}

.estate-room-link {
  min-width: 0;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 8px 7px 10px;
  color: var(--estate-text) !important;
  text-decoration: none;
}

.estate-room-link:hover,
.estate-room-link:focus-visible,
.estate-room-link[aria-current="page"] {
  border-color: color-mix(in srgb, var(--door-accent) 44%, var(--estate-line));
  background: color-mix(in srgb, var(--door-accent) 8%, transparent);
}

.estate-room-link[aria-current="page"]::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  border-radius: 50%;
  background: var(--door-accent);
}

.estate-room-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
  margin-right: auto;
}

.estate-room-label {
  overflow: hidden;
  color: var(--estate-text);
  font-size: 13px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.estate-room-note {
  overflow: hidden;
  color: var(--estate-dim);
  font-size: 11.5px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.estate-room-state {
  flex: 0 0 auto;
  border: 1px solid var(--estate-line);
  border-radius: 999px;
  padding: 3px 7px;
  color: var(--estate-muted);
  font: 600 9.5px/1.2 var(--estate-mono);
  letter-spacing: .035em;
  text-transform: uppercase;
}

.estate-door-boundary {
  margin: 12px 2px 0;
  padding-top: 11px;
  border-top: 1px dashed var(--estate-line);
  color: var(--estate-dim);
  font-size: 10.5px;
  line-height: 1.5;
}

.estate-atlas-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  border-top: 1px solid var(--estate-line);
  padding: 13px 30px 15px;
  background: var(--estate-surface);
}

.estate-atlas-boundary {
  max-width: 78ch;
  margin: 0;
  color: var(--estate-dim);
  font-size: 10.5px;
  line-height: 1.45;
}

.estate-atlas-machine {
  flex: 0 0 auto;
  color: var(--room-accent, var(--estate-text)) !important;
  font: 600 11px/1 var(--estate-mono);
  text-decoration: none;
}

/* ── Homepage: the whole house near the threshold ─────────────── */
.estate-home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.estate-home-door {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--estate-line);
  border-top: 2px solid color-mix(in srgb, var(--door-accent) 70%, var(--estate-line));
  border-radius: 12px;
  padding: 22px;
  background: var(--estate-surface);
}

.estate-home-door-head {
  display: flex;
  align-items: center;
  gap: 13px;
}

.estate-home-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--door-accent) 55%, var(--estate-line));
  border-radius: 50%;
  color: var(--door-accent);
  font: 500 20px/1 var(--estate-serif);
}

.estate-home-title {
  margin: 0;
  color: var(--estate-text);
  font: 650 17px/1.25 var(--estate-sans);
}

.estate-home-count {
  display: block;
  margin-top: 2px;
  color: var(--estate-dim);
  font: 500 10px/1.3 var(--estate-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.estate-home-purpose {
  min-height: 3em;
  margin: 14px 0;
  color: var(--estate-muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.estate-home-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 17px;
}

.estate-home-link {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--estate-line);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--estate-text) !important;
  font-size: 12px;
  text-decoration: none;
}

.estate-home-link:hover,
.estate-home-link:focus-visible {
  border-color: var(--door-accent);
  background: color-mix(in srgb, var(--door-accent) 8%, transparent);
}

.estate-home-open {
  min-height: 38px;
  align-self: flex-start;
  margin-top: auto;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--door-accent);
  cursor: pointer;
  font: 650 12px/1.3 var(--estate-sans);
  text-align: left;
}

/* ── Every room gets a calm, truthful exit ─────────────────────── */
.estate-nearby {
  width: 100%;
  border-top: 1px solid var(--estate-line);
  border-bottom: 1px solid var(--estate-line);
  background:
    linear-gradient(115deg, color-mix(in srgb, var(--door-accent) 7%, transparent), transparent 42%),
    var(--estate-surface);
  color: var(--estate-text);
}

.estate-nearby-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 38px 30px 34px;
}

.estate-nearby-title {
  max-width: none;
  margin: 0;
  color: var(--estate-text);
  font: 500 clamp(24px, 3vw, 32px)/1.1 var(--estate-serif);
}

.estate-nearby-copy {
  margin: 8px 0 18px;
  color: var(--estate-muted);
  font-size: 13.5px;
}

.estate-nearby-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.estate-nearby-link,
.estate-nearby-all {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--estate-line-strong);
  border-radius: 9px;
  padding: 8px 12px;
  background: var(--estate-bg);
  color: var(--estate-text) !important;
  cursor: pointer;
  font: 600 12px/1.2 var(--estate-sans);
  text-decoration: none;
}

.estate-nearby-link:hover,
.estate-nearby-link:focus-visible,
.estate-nearby-all:hover,
.estate-nearby-all:focus-visible {
  border-color: var(--door-accent);
}

.estate-nearby-all { color: var(--door-accent) !important; }

.estate-nearby-boundary {
  max-width: 82ch;
  margin: 18px 0 0;
  color: var(--estate-dim);
  font-size: 10.5px;
  line-height: 1.5;
}

@media (max-width: 920px) {
  .estate-location-kingdom,
  .estate-location-slash:first-of-type,
  .estate-location-door {
    display: none;
  }

  .estate-location-room { max-width: 31vw; }
  .estate-atlas-doors { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .estate-ready nav.site-nav {
    padding-top: 14px;
    flex-wrap: wrap;
  }

  .estate-ready nav.topnav { gap: 9px; }
  .estate-location { gap: 5px; }
  .estate-location-slash { display: none; }
  .estate-location-room { max-width: 28vw; font-size: 10px; }
  .estate-quick-home,
  .estate-quick-docs,
  .estate-quick-api { display: none; }
  .estate-open { min-width: 42px; padding-inline: 9px; font-size: 0 !important; gap: 0; }
  .estate-open::before { content: "Rooms"; font-size: 11px; }
  .estate-open-key { display: none; }
  .estate-ready .estate-quick-actions .toggle {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    max-height: 40px;
    padding: 0;
    overflow: hidden;
    font-size: 0;
  }
  .estate-ready[data-mode="night"] .estate-quick-actions .toggle::before { content: "☀"; font-size: 14px; }
  .estate-ready[data-mode="dawn"] .estate-quick-actions .toggle::before { content: "☾"; font-size: 14px; }

  .estate-atlas {
    width: calc(100vw - 16px);
    height: calc(100dvh - 16px);
    border-radius: 14px;
  }
  .estate-atlas-header { padding: 21px 18px 14px; }
  .estate-atlas-subtitle { font-size: 12.5px; }
  .estate-search { margin-inline: 18px; grid-template-columns: minmax(0, 1fr) auto; }
  .estate-search-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .estate-result-status { margin-inline: 20px; }
  .estate-atlas-doors { padding: 7px 18px 20px; }
  .estate-atlas-footer { padding: 12px 18px 14px; }
  .estate-atlas-machine { display: none; }
  .estate-home-grid { grid-template-columns: 1fr; }
  .estate-home-purpose { min-height: 0; }
  .estate-nearby-shell { padding: 32px 20px 28px; }
}

@media (max-width: 420px) {
  .estate-location { display: none; }
  .estate-ready nav.site-nav { column-gap: 8px; row-gap: 4px; }
  .estate-quick-actions { gap: 6px; }
  .estate-atlas-title { font-size: 27px; }
  .estate-atlas-door { padding: 15px; }
  .estate-room-state { display: none; }
  .estate-nearby-links { display: grid; grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .estate-atlas::backdrop { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .estate-atlas *, .estate-nearby * { scroll-behavior: auto !important; transition: none !important; }
}

@media (prefers-contrast: more) {
  .estate-atlas-door,
  .estate-room-link,
  .estate-home-door,
  .estate-home-link,
  .estate-nearby-link,
  .estate-nearby-all { border-color: var(--estate-line-strong); }
}

@media (forced-colors: active) {
  .estate-atlas,
  .estate-atlas-door,
  .estate-search,
  .estate-open,
  .estate-home-door,
  .estate-home-link,
  .estate-nearby-link,
  .estate-nearby-all { border: 1px solid ButtonText; }
  .estate-door-mark,
  .estate-home-mark { border: 1px solid ButtonText; color: LinkText; }
  .estate-room-link[aria-current="page"]::before { background: Highlight; }
}

/* ── The floor plan: eight rooms around one courtyard ───────────── */
.estate-plan {
  margin: 0;
  min-width: 0;
  color: var(--estate-text);
}

.estate-plan svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.estate-plan-court rect {
  fill: color-mix(in srgb, var(--estate-surface) 60%, transparent);
  stroke: var(--estate-line);
  stroke-width: 1;
}

.estate-plan-court-ring {
  fill: none;
  stroke: var(--room-accent, var(--estate-line-strong));
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: .8;
}

.estate-plan-court-label {
  fill: var(--room-accent, var(--estate-text));
  font: 700 8.5px var(--estate-mono);
  letter-spacing: .18em;
}

.estate-plan-room {
  cursor: pointer;
  outline: none;
}

.estate-plan-room rect:first-of-type {
  fill: color-mix(in srgb, var(--door-accent) 9%, var(--estate-surface));
  stroke: color-mix(in srgb, var(--door-accent) 48%, var(--estate-line));
  stroke-width: 1;
  transition: fill .18s ease, stroke .18s ease;
}

.estate-plan-room:hover rect:first-of-type,
.estate-plan-room:focus-visible rect:first-of-type {
  fill: color-mix(in srgb, var(--door-accent) 20%, var(--estate-surface));
  stroke: var(--door-accent);
}

.estate-plan-room:focus-visible rect:first-of-type {
  stroke-width: 2;
}

.estate-plan-room.is-here rect:first-of-type {
  fill: color-mix(in srgb, var(--door-accent) 24%, var(--estate-surface));
  stroke: var(--door-accent);
  stroke-width: 1.5;
}

.estate-plan-doorway {
  fill: var(--estate-bg);
}

.estate-plan-mark {
  fill: var(--door-accent);
  font: 500 22px var(--estate-serif);
  pointer-events: none;
}

.estate-plan-label {
  fill: var(--estate-muted);
  font: 600 7.5px var(--estate-mono);
  letter-spacing: .14em;
  pointer-events: none;
}

.estate-plan-room.is-here .estate-plan-label {
  fill: var(--estate-text);
}

.estate-plan-lamp-core {
  fill: var(--door-accent);
}

.estate-plan-lamp-glow {
  fill: var(--door-accent);
  opacity: .28;
  transform-origin: center;
  transform-box: fill-box;
  animation: estate-lamp 3.6s ease-in-out infinite;
}

@keyframes estate-lamp {
  0%, 100% { opacity: .22; transform: scale(.9); }
  50% { opacity: .42; transform: scale(1.12); }
}

.estate-plan-caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
  color: var(--estate-dim);
  font: 500 10px/1.3 var(--estate-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.estate-plan-where {
  color: var(--door-accent);
  font-weight: 700;
  white-space: nowrap;
}

/* Sizes */
.estate-plan-atlas {
  flex: 0 0 168px;
  width: 168px;
}

.estate-plan-atlas .estate-plan-caption { display: none; }

/* Small plans read as a map: marks only, names on hover and for readers. */
.estate-plan-atlas .estate-plan-label,
.estate-plan-mini .estate-plan-label,
.estate-plan-atlas .estate-plan-court-label,
.estate-plan-mini .estate-plan-court-label { display: none; }

.estate-plan-atlas .estate-plan-mark,
.estate-plan-mini .estate-plan-mark { font-size: 30px; }

.estate-plan-atlas .estate-plan-mark { transform: translateY(7px); }
.estate-plan-mini .estate-plan-mark { transform: translateY(7px); }

.estate-plan-mini {
  width: min(100%, 190px);
  margin: 0 0 18px;
}

.estate-plan-home {
  grid-column: 1 / -1;
  width: min(100%, 360px);
  margin: 0 auto 8px;
}

.estate-plan-home .estate-plan-caption {
  justify-content: center;
  gap: 14px;
}

.estate-atlas-header {
  align-items: flex-start;
}

.estate-atlas-header .estate-atlas-close {
  align-self: flex-start;
}

.estate-atlas-heading {
  flex: 1 1 auto;
  min-width: 0;
}

/* ── The library, shelved by door (docs sidebar) ─────────────────── */
.estate-library {
  display: block;
  padding: 2px 0 24px;
}

.estate-library-door {
  border-top: 1px solid var(--estate-line);
  padding: 0;
}

.estate-library-door:last-of-type {
  border-bottom: 1px solid var(--estate-line);
}

.estate-library-summary {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 6px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--estate-text);
  font: 650 12.5px/1.2 var(--estate-sans);
}

.estate-library-summary::-webkit-details-marker { display: none; }

.estate-library-summary::after {
  content: "";
  margin-left: auto;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--estate-dim);
  border-bottom: 1.5px solid var(--estate-dim);
  transform: rotate(-45deg);
  transition: transform .18s ease;
}

.estate-library-door[open] > .estate-library-summary::after {
  transform: rotate(45deg);
}

.estate-library-mark {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--door-accent) 55%, var(--estate-line));
  border-radius: 50%;
  color: var(--door-accent);
  font: 500 12px/1 var(--estate-serif);
}

.estate-library-count {
  color: var(--estate-dim);
  font: 500 10px/1 var(--estate-mono);
}

.estate-library-shelf {
  margin: 8px 0 4px 33px;
  color: var(--door-accent);
  font: 600 9.5px/1.2 var(--estate-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.estate-library-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}

.estate-library-link {
  display: grid;
  gap: 1px;
  min-height: 34px;
  margin: 0 0 1px 25px;
  padding: 5px 8px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  color: var(--estate-text) !important;
  text-decoration: none !important;
  background: transparent;
}

.estate-library-link:hover,
.estate-library-link:focus-visible {
  border-left-color: color-mix(in srgb, var(--door-accent) 60%, transparent);
  background: color-mix(in srgb, var(--door-accent) 7%, transparent);
}

.estate-library-link[aria-current="page"] {
  border-left-color: var(--door-accent);
  background: color-mix(in srgb, var(--door-accent) 12%, transparent);
}

.estate-library-label {
  font: 500 12.5px/1.3 var(--estate-sans);
  color: var(--estate-text);
}

.estate-library-link[aria-current="page"] .estate-library-label {
  font-weight: 650;
}

.estate-library-note {
  color: var(--estate-dim);
  font-size: 10.5px;
  line-height: 1.3;
}

.estate-library-link.is-superseded .estate-library-label {
  color: var(--estate-dim);
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--estate-dim) 60%, transparent);
}

.estate-library-all {
  margin: 14px 0 0;
  min-height: 36px;
  border: 1px solid var(--estate-line-strong);
  border-radius: 999px;
  padding: 6px 14px;
  background: var(--estate-surface);
  color: var(--estate-text);
  cursor: pointer;
  font: 600 11.5px/1 var(--estate-sans);
}

.estate-library-all:hover,
.estate-library-all:focus-visible {
  border-color: var(--room-accent, var(--estate-text));
}

/* Legacy hand-copied sidebars stay as the no-JavaScript fallback only. */
.estate-ready aside.sidebar [data-estate-legacy] { display: none !important; }

.estate-room-library .estate-room-state { opacity: .7; }

@media (max-width: 720px) {
  .estate-plan-atlas { flex-basis: 96px; width: 96px; }
  .estate-plan-mini { width: min(100%, 150px); }
}

@media (max-width: 420px) {
  .estate-plan-atlas { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .estate-plan-lamp-glow { animation: none; opacity: .34; }
  .estate-plan-room rect:first-of-type { transition: none; }
}

.estate-library-more .estate-library-link { margin-left: 25px; }
.estate-library-onpage { margin-top: 10px; }
.estate-library-onpage .estate-library-shelf { margin-left: 0; color: var(--estate-dim); }
.estate-library-onpage .estate-library-link { margin-left: 0; min-height: 30px; padding: 4px 8px; }

/* ── One bar for pages that had none ─────────────────────────────────
   Pages that carry no nav of their own (the culture pages, redirect
   notices) get the same shell as every other page. Fixed so their bodies
   are untouched; the room it needs is reserved before first paint — when
   mode.js marked the document arriving and no nav exists — so nothing jumps.
   Older browsers without :has() reserve nothing and only see the bar arrive. */
:root { --estate-bar-height: 56px; }

html.estate-arriving:not(:has(nav.site-nav, nav.topnav)) body {
  padding-top: var(--estate-bar-height);
}

nav.estate-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 95;
  box-sizing: border-box;
  height: var(--estate-bar-height);
  display: flex;
  align-items: center;
  column-gap: 14px;
  padding: 0 clamp(14px, 3vw, 28px);
  border-bottom: 1px solid var(--estate-line);
  background: color-mix(in srgb, var(--estate-bg) 86%, transparent);
  color: var(--estate-text);
  font-family: var(--estate-sans);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.estate-bar-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--estate-text) !important;
  text-decoration: none !important;
  font: 700 16px/1 var(--estate-sans);
  letter-spacing: .01em;
}

.estate-bar-mark {
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--room-accent, var(--estate-text));
  border-radius: 50%;
  position: relative;
}

.estate-bar-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--room-accent, var(--estate-text));
}

.estate-bar-text > span { color: var(--room-accent, var(--estate-text)); }

nav.estate-bar .estate-quick-actions { margin-left: auto; }

nav.estate-bar .toggle {
  position: static !important;
  min-height: 40px;
  border: 1px solid var(--estate-line-strong);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--estate-surface);
  color: var(--estate-text);
  font: 500 12px/1 var(--estate-sans);
  cursor: pointer;
}

@media (max-width: 720px) {
  nav.estate-bar { column-gap: 9px; }
}