/* LifeOS Studio — lab design system.
   One world, two tiers: the spatial canvas renders beneath this chrome;
   the semantic tier composes the same meaning as an editorial atlas over
   the arrival poster. Dusk palette from world.json presentation. */

/* ---------- fonts (self-hosted, OFL) ---------- */
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces-italic-500.woff2') format('woff2');
  font-weight: 500; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-var.woff2') format('woff2');
  font-weight: 100 900; font-style: normal; font-display: swap;
}

/* ---------- tokens ---------- */
:root {
  --ink: #14181d;
  --paper: #f4efe7;
  --paper-dim: rgba(244, 239, 231, 0.72);
  --paper-faint: rgba(244, 239, 231, 0.45);
  --thread: #ffe6bf;
  --thread-dim: rgba(255, 230, 191, 0.6);
  --hairline: rgba(255, 230, 191, 0.16);
  --hairline-strong: rgba(255, 230, 191, 0.34);
  --pane: rgba(15, 17, 26, 0.68);
  --pane-solid: rgba(13, 15, 23, 0.9);
  --sky-high: #25355a;
  --water-deep: #1d2f3e;
  --sun: #ffd9a0;
  --live: #8fdcae;
  --proto: #ffd9a0;
  --exp: #9fc7ff;
  --research: #c9b8ff;
  --study: #f2b8d0;
  --concept: #a8b3bf;
  --retired: #97918a;
  --font-ui: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dock-h: 0px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; } /* author display rules must never resurrect hidden panels */
html { color-scheme: dark; }
html, body { height: 100%; }
body {
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  background: var(--water-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: var(--thread); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
::selection { background: rgba(255, 217, 160, 0.3); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}
.skip-link {
  position: fixed; top: -40px; left: 16px; z-index: 100;
  background: var(--pane-solid); color: var(--thread);
  padding: 8px 14px; border-radius: 4px; transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 1.5px solid var(--thread); outline-offset: 3px; border-radius: 2px; }

/* ---------- stage + poster ---------- */
#stage { position: fixed; inset: 0; z-index: 0; }
#spatial-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 1.6s ease; }
body[data-spatial="ready"] #spatial-canvas { opacity: 1; }

#poster { position: absolute; inset: 0; transition: opacity 1.8s ease; }
/* dive veil: crossing the water line reads as a passage, not a clip */
#stage::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 60%, rgba(9, 14, 19, 0.94), rgba(9, 14, 19, 0.99));
  opacity: 0; transition: opacity 0.7s ease;
}
body[data-diving="1"] #stage::after { opacity: 1; }
#poster-scene { position: absolute; inset: 0; width: 100%; height: 100%; }
body[data-spatial="ready"] #poster { opacity: 0; pointer-events: none; }

#poster-copy {
  position: absolute; left: 50%; top: 16%; transform: translateX(-50%);
  text-align: center; width: min(92vw, 780px);
}
.poster-kicker {
  font-size: 11px; letter-spacing: 0.34em; color: var(--thread-dim);
  font-weight: 500;
}
.poster-kicker::before { content: '● '; color: var(--live); font-size: 9px; vertical-align: 1px; }
.poster-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(3.2rem, 8.5vw, 6.2rem); line-height: 1.02;
  letter-spacing: -0.015em; margin-top: 14px;
  text-shadow: 0 2px 40px rgba(20, 24, 29, 0.45);
}
.poster-title em { font-style: italic; font-weight: 500; color: var(--sun); }
.poster-claim {
  margin-top: 12px; font-size: 13px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--paper-dim); font-weight: 500;
}
.poster-line { margin-top: 18px; font-size: 15.5px; color: var(--paper-dim); }
body[data-tier="semantic"] #poster-copy { top: 9%; }
body[data-spatial="ready"] ~ * .poster-copy { display: none; }

/* When inspecting/mode views are open, quiet the poster copy */
body[data-inspecting="1"] #poster-copy,
body:not([data-mode="explore"]) #poster-copy,
body[data-space]:not([data-space="atrium"]) #poster-copy { opacity: 0; transition: opacity 0.5s; }
body[data-space="atrium"][data-mode="explore"][data-inspecting="0"] #poster-copy { opacity: 1; transition: opacity 0.8s 0.2s; }

/* ---------- chrome ---------- */
#chrome {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(16px, 3.4vw, 44px);
  background: linear-gradient(rgba(13, 15, 23, 0.55), transparent);
}
.wordmark {
  font-weight: 600; letter-spacing: 0.16em; font-size: 14px; color: var(--paper);
}
.wordmark span { color: var(--thread-dim); font-weight: 400; }
.chrome-nav { display: flex; gap: clamp(10px, 2vw, 26px); align-items: center; }
.chrome-nav button {
  font-size: 11.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--paper-dim); padding: 6px 2px; position: relative;
}
.chrome-nav button:hover { color: var(--paper); }
.chrome-nav button::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--thread); transition: right 0.3s var(--ease-out);
}
.chrome-nav button:hover::after { right: 0; }
.nav-access {
  border: 1px solid var(--hairline-strong) !important; border-radius: 999px;
  padding: 6px 16px !important;
}

/* ---------- lab root / atlas ---------- */
#lab-root {
  position: relative; z-index: 10;
  min-height: 100%;
  display: flex; flex-direction: column;
  padding: 0 clamp(16px, 3.4vw, 44px) calc(140px + var(--dock-h));
}

#atlas { width: 100%; }
body:not([data-mode="explore"]) #atlas { display: none; }
body[data-inspecting="1"] #atlas { display: none; } /* the inspector sheet carries the meaning; keep the stage clear */

/* Semantic tier: atlas is the main editorial column over the poster */
body[data-tier="semantic"] #atlas {
  max-width: 980px; margin: 0 auto; padding-top: min(46vh, 430px);
}

/* Spatial tier: atlas compresses to a left rail over the world */
body[data-tier="spatial"] #atlas {
  max-width: 400px; margin-top: 96px;
  background: var(--pane); border: 1px solid var(--hairline);
  border-radius: 10px; padding: 22px 24px 18px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  max-height: calc(100vh - 300px); overflow: auto; overscroll-behavior: contain;
}
body[data-tier="spatial"][data-space="atrium"][data-mode="explore"][data-inspecting="0"] #atlas {
  background: linear-gradient(to right, rgba(13, 15, 23, 0.5) 0%, rgba(13, 15, 23, 0.26) 45%, rgba(13, 15, 23, 0) 88%);
  border-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; max-width: 500px;
  padding-right: 80px;
}

.space-breadcrumb { display: flex; gap: 10px; align-items: baseline; margin-bottom: 10px; }
.crumb { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--thread-dim); }
.crumb.here { color: var(--paper-faint); }
button.crumb:hover { color: var(--thread); }

.space-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.08; letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.space-line { color: var(--paper-dim); max-width: 60ch; margin-bottom: 22px; }
.sealed-note, .foundation-note {
  font-size: 13px; color: var(--paper-faint); border-left: 2px solid var(--hairline-strong);
  padding: 4px 0 4px 14px; margin: 14px 0; max-width: 52ch;
}

/* core index (atrium) */
.core-index {
  display: grid; gap: 2px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  border-top: 1px solid var(--hairline);
}
body[data-tier="spatial"] .core-index { grid-template-columns: 1fr; }
.core-domain {
  display: grid; grid-template-columns: 14px 1fr auto; grid-template-rows: auto auto;
  gap: 2px 12px; align-items: baseline; text-align: left;
  padding: 13px 8px 13px 2px; border-bottom: 1px solid var(--hairline);
  transition: background 0.25s, opacity 0.4s;
}
.core-domain:hover { background: rgba(255, 230, 191, 0.05); }
.core-dot {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block;
  background: hsl(var(--hue, 40) 62% 72%); box-shadow: 0 0 10px hsl(var(--hue, 40) 62% 62% / 0.55);
}
.core-title { font-weight: 500; font-size: 14.5px; }
.core-count { font-size: 11px; color: var(--paper-faint); letter-spacing: 0.08em; white-space: nowrap; }
.core-line { grid-column: 2 / 4; font-size: 12.5px; color: var(--paper-faint); }
.core-truth { margin-top: 18px; font-size: 12.5px; color: var(--paper-faint); letter-spacing: 0.04em; }
.linklike { color: var(--thread); font-size: inherit; }
.linklike:hover { text-decoration: underline; text-underline-offset: 3px; }

/* artifact list */
.artifact-list { list-style: none; border-top: 1px solid var(--hairline); }
.artifact-row { border-bottom: 1px solid var(--hairline); transition: opacity 0.4s; }
.artifact-open {
  display: grid; width: 100%; text-align: left;
  grid-template-columns: auto 1fr auto; grid-template-rows: auto auto;
  gap: 3px 14px; align-items: baseline; padding: 14px 8px 14px 2px;
  transition: background 0.25s;
}
.artifact-open:hover { background: rgba(255, 230, 191, 0.05); }
.a-title { font-weight: 500; font-size: 15.5px; }
.a-years { font-size: 11.5px; color: var(--paper-faint); font-variant-numeric: tabular-nums; }
.a-summary { grid-column: 1 / 4; font-size: 13px; color: var(--paper-dim); max-width: 68ch; }
.sealed .a-title { color: var(--paper-dim); }
.sealed .artifact-open { opacity: 0.75; }

.a-status {
  font-size: 9.5px; letter-spacing: 0.16em; font-weight: 600;
  padding: 3px 8px; border-radius: 3px; white-space: nowrap;
  border: 1px solid currentColor; opacity: 0.92;
}
.a-status.live { color: var(--live); }
.a-status.proto { color: var(--proto); }
.a-status.exp { color: var(--exp); }
.a-status.research { color: var(--research); }
.a-status.study { color: var(--study); }
.a-status.concept { color: var(--concept); }
.a-status.retired { color: var(--retired); }

.dim { opacity: 0.24; }
.dim:hover { opacity: 0.6; }

/* substrate */
.loop-line { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--thread-dim); margin-bottom: 20px; }
.loop-arrow { color: var(--paper-faint); }
.agents-truth { margin-top: 26px; border-top: 1px solid var(--hairline); padding-top: 16px; }
.agents-truth h3 { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: 10px; }
.agent-line { font-size: 13px; color: var(--paper-dim); margin-bottom: 9px; max-width: 70ch; }
.agent-state {
  font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600;
  padding: 2px 7px; border-radius: 3px; border: 1px solid var(--hairline-strong); color: var(--paper-faint);
}
.agent-state.active { color: var(--live); border-color: currentColor; }

/* ---------- filter bar ---------- */
#filter-bar {
  position: fixed; top: 64px; left: 50%; transform: translateX(-50%); z-index: 28;
  display: flex; align-items: center; gap: 10px;
  background: var(--pane-solid); border: 1px solid var(--hairline-strong);
  padding: 7px 8px 7px 16px; border-radius: 999px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.fb-label { font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--thread-dim); }
.fb-desc { font-size: 12.5px; color: var(--paper); }
.fb-clear {
  font-size: 11px; letter-spacing: 0.1em; color: var(--paper-dim);
  border: 1px solid var(--hairline); border-radius: 999px; padding: 3px 10px;
}
.fb-clear:hover { color: var(--paper); border-color: var(--hairline-strong); }

/* ---------- inspector ---------- */
#inspector { position: fixed; inset: 0; z-index: 40; display: flex; justify-content: flex-end; pointer-events: none; }
.inspector-sheet {
  pointer-events: auto;
  width: min(560px, 100vw); height: 100%;
  background: var(--pane-solid); border-left: 1px solid var(--hairline-strong);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  padding: 92px clamp(22px, 3vw, 40px) 40px; overflow: auto; overscroll-behavior: contain;
  animation: sheet-in 0.5s var(--ease-out);
}
@keyframes sheet-in { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.inspector-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.i-kicker { display: flex; gap: 12px; align-items: baseline; margin-bottom: 12px; }
.i-years { font-size: 12px; color: var(--paper-faint); font-variant-numeric: tabular-nums; }
.i-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.9rem, 3vw, 2.5rem); line-height: 1.05; margin-bottom: 10px; }
.i-summary { color: var(--paper-dim); max-width: 52ch; }
.i-cta { margin-top: 16px; }
.i-cta a {
  display: inline-block; font-weight: 500; font-size: 13.5px; letter-spacing: 0.04em;
  color: var(--ink); background: var(--thread); border-radius: 999px; padding: 9px 20px;
  text-decoration: none; transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
  box-shadow: 0 4px 24px rgba(255, 217, 160, 0.25);
}
.i-cta a:hover { transform: translateY(-1px); box-shadow: 0 6px 30px rgba(255, 217, 160, 0.4); text-decoration: none; }
.i-domains { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.d-chip {
  font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid var(--hairline-strong); border-radius: 999px; padding: 4px 12px;
  color: hsl(var(--hue, 40) 55% 78%);
}
.d-chip:hover { border-color: hsl(var(--hue, 40) 55% 68%); }
.i-close { font-size: 15px; color: var(--paper-faint); padding: 8px 10px; }
.i-close:hover { color: var(--paper); }
.i-tabs { display: flex; gap: 4px; margin: 26px 0 0; border-bottom: 1px solid var(--hairline); }
.i-tab {
  font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--paper-faint); padding: 10px 14px; border-bottom: 1.5px solid transparent;
  margin-bottom: -1px;
}
.i-tab.active { color: var(--thread); border-bottom-color: var(--thread); }
.i-tab:hover { color: var(--paper); }
.i-body { padding-top: 22px; }
.tab-prose { color: var(--paper-dim); max-width: 58ch; margin-bottom: 14px; }
.tab-prose.small { font-size: 13px; color: var(--paper-faint); }

.ev-creed { font-size: 13px; color: var(--paper-faint); margin-bottom: 16px; max-width: 52ch; }
.ev-list { list-style: none; border-top: 1px solid var(--hairline); }
.ev { border-bottom: 1px solid var(--hairline); padding: 12px 2px; display: grid; gap: 3px; }
.ev a { font-weight: 500; }
.ev-label { font-weight: 500; color: var(--paper-dim); }
.ev-note { font-size: 12.5px; color: var(--paper-faint); }
.ev-private .ev-label::before, .ev-sealed .ev-label::before, .ev-private-repository .ev-label::before { content: '◈ '; color: var(--paper-faint); }
.tl-founding { font-size: 13.5px; color: var(--paper-dim); max-width: 60ch; padding: 4px 0 10px; }
.tl-founding .tl-date { font-variant-numeric: tabular-nums; color: var(--thread); font-weight: 500; margin-right: 8px; }
.tl-founding .tl-pre {
  font-size: 9px; letter-spacing: 0.2em; color: var(--paper-faint);
  border: 1px solid var(--hairline); border-radius: 3px; padding: 2px 6px; margin-right: 10px; vertical-align: 1px;
}

.rel-list { list-style: none; border-top: 1px solid var(--hairline); }
.rel { border-bottom: 1px solid var(--hairline); padding: 12px 2px; }
.rel-open { display: flex; gap: 10px; align-items: baseline; text-align: left; }
.rel-open b { font-weight: 500; }
.rel-open:hover b { color: var(--thread); }
.rel-type { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--thread-dim); white-space: nowrap; }
.rel-note { display: block; font-size: 12.5px; color: var(--paper-faint); margin-top: 4px; max-width: 56ch; }

.sealed-sheet .i-title::after { content: ' ◈'; color: var(--paper-faint); }

/* ---------- mode views ---------- */
#mode-view {
  position: fixed; inset: 0; z-index: 34; overflow: auto; overscroll-behavior: contain;
  background: linear-gradient(rgba(13, 15, 23, 0.82), rgba(13, 15, 23, 0.94));
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.mode-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 130px clamp(18px, 4vw, 48px) calc(160px + var(--dock-h));
  animation: mode-in 0.55s var(--ease-out);
}
@keyframes mode-in { from { transform: translateY(18px); opacity: 0; } to { transform: none; opacity: 1; } }
.mode-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 4.4vw, 3.2rem); line-height: 1.05; }
.mode-title em { font-style: italic; font-weight: 500; color: var(--sun); }
.mode-line { color: var(--paper-faint); margin: 14px 0 40px; max-width: 64ch; }

.tl { list-style: none; }
.tl-year { display: grid; grid-template-columns: 90px 1fr; gap: 20px; padding: 22px 0; border-top: 1px solid var(--hairline); }
.tl-y { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; color: var(--thread); font-variant-numeric: tabular-nums; }
.tl-empty .tl-y { color: var(--paper-faint); }
.tl-note { font-size: 13px; color: var(--paper-faint); max-width: 52ch; align-self: center; }
.tl-items { list-style: none; display: grid; gap: 2px; }
.tl-open {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto;
  gap: 3px 12px; align-items: baseline; width: 100%; text-align: left;
  padding: 10px 8px 10px 0; border-bottom: 1px solid var(--hairline); transition: background 0.25s;
}
.tl-open:hover { background: rgba(255, 230, 191, 0.05); }
.tl-open b { font-weight: 500; }
.tl-sum { grid-column: 1 / 3; font-size: 12.5px; color: var(--paper-faint); max-width: 64ch; }

.map-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 2px; border-top: 1px solid var(--hairline); }
.map-domain { border-bottom: 1px solid var(--hairline); padding: 16px 10px 16px 0; transition: opacity 0.4s; }
.map-domain-open { display: flex; gap: 9px; align-items: center; font-weight: 500; font-size: 14px; text-align: left; }
.map-domain-open:hover { color: var(--thread); }
.map-arts { list-style: none; margin-top: 9px; display: flex; flex-wrap: wrap; gap: 6px 14px; }
.map-arts button { font-size: 12.5px; color: var(--paper-dim); }
.map-arts button:hover { color: var(--thread); }
.map-none { font-size: 11px; color: var(--paper-faint); letter-spacing: 0.1em; margin-top: 9px; }
.map-substrate, .map-edges { margin-top: 36px; }
.map-substrate h3, .map-edges h3 { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: 12px; }
.map-edges ul { list-style: none; }
.map-edges li { padding: 10px 0; border-top: 1px solid var(--hairline); font-size: 13.5px; }
.map-edges li > button { font-weight: 500; }
.map-edges li > button:hover { color: var(--thread); }
.edge-type { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--thread-dim); margin: 0 8px; }

/* ---------- panels ---------- */
#panel { position: fixed; inset: 0; z-index: 44; display: grid; place-items: center; background: rgba(13, 15, 23, 0.55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); padding: 20px; }
.panel-sheet {
  position: relative; width: min(560px, 94vw); max-height: 82vh; overflow: auto;
  background: var(--pane-solid); border: 1px solid var(--hairline-strong); border-radius: 12px;
  padding: 34px 36px; animation: mode-in 0.4s var(--ease-out);
}
.panel-sheet h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.7rem; margin-bottom: 14px; }
.panel-sheet .i-close { position: absolute; top: 14px; right: 14px; }
.help-list { list-style: none; margin: 14px 0; }
.help-list li { padding: 8px 0; border-top: 1px solid var(--hairline); font-size: 13.5px; color: var(--paper-dim); }
kbd {
  font-family: var(--font-ui); font-size: 11px; border: 1px solid var(--hairline-strong);
  border-radius: 4px; padding: 1px 6px; color: var(--paper-dim);
}

/* ---------- concierge ---------- */
#concierge { position: fixed; right: clamp(14px, 2.6vw, 36px); bottom: 22px; z-index: 46; width: min(400px, calc(100vw - 28px)); display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
#concierge-say {
  font-size: 13px; color: var(--paper); max-width: 46ch; text-align: right;
  background: var(--pane); border: 1px solid var(--hairline); border-radius: 12px 12px 3px 12px;
  padding: 9px 14px; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  min-height: 0;
}
#concierge-say:empty { display: none; }
.say-pulse { animation: say-in 0.4s var(--ease-out); }
@keyframes say-in { from { transform: translateY(6px); opacity: 0; } to { transform: none; opacity: 1; } }
#concierge-form {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: var(--pane-solid); border: 1px solid var(--hairline-strong); border-radius: 999px;
  padding: 6px 8px 6px 16px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: border-color 0.3s;
}
#concierge-form:focus-within { border-color: var(--thread-dim); }
.c-orb { color: var(--sun); font-size: 13px; text-shadow: 0 0 12px rgba(255, 217, 160, 0.8); }
#concierge-input { flex: 1; background: none; border: 0; color: var(--paper); font: inherit; font-size: 13.5px; outline: none; min-width: 0; }
#concierge-input::placeholder { color: var(--paper-faint); }
#concierge-form button[type="submit"] { color: var(--thread); font-size: 15px; padding: 6px 12px; border-radius: 999px; }
#concierge-form button[type="submit"]:hover { background: rgba(255, 230, 191, 0.1); }
#concierge-chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
#concierge-chips button {
  font-size: 11px; letter-spacing: 0.06em; color: var(--paper-dim);
  border: 1px solid var(--hairline); border-radius: 999px; padding: 5px 12px;
  background: var(--pane); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
#concierge-chips button:hover { color: var(--paper); border-color: var(--hairline-strong); }

/* ---------- presence ---------- */
#presence-line {
  position: fixed; left: clamp(14px, 2.6vw, 36px); bottom: 24px; z-index: 24;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--paper-faint);
}

/* ---------- mobile dock ---------- */
#mobile-dock { display: none; }

@media (max-width: 820px) {
  :root { --dock-h: 68px; }
  body { font-size: 14.5px; }
  #chrome { padding: 14px 16px; background: linear-gradient(rgba(13, 15, 23, 0.72), transparent); }
  .chrome-nav button:not(.nav-access) { display: none; }
  #mobile-dock {
    display: flex; position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 48;
    background: var(--pane-solid); border: 1px solid var(--hairline-strong); border-radius: 16px;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    padding: 8px; gap: 2px; justify-content: space-around; align-items: center;
  }
  #mobile-dock button {
    font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper-dim);
    padding: 10px 10px; border-radius: 10px; min-width: 44px; min-height: 44px;
  }
  #mobile-dock button[aria-pressed="true"] { color: var(--thread); background: rgba(255, 230, 191, 0.08); }
  #mobile-dock .dock-ask { color: var(--sun); font-size: 16px; }
  #concierge { right: 10px; left: 10px; bottom: calc(var(--dock-h) + 18px); width: auto; align-items: stretch; }
  #concierge-say { text-align: left; border-radius: 12px; }
  #concierge-chips { display: none; }
  #presence-line { display: none; }
  body[data-tier="spatial"] #atlas { max-width: none; margin-top: 84px; max-height: 38vh; }
  body[data-tier="semantic"] #atlas { padding-top: min(40vh, 340px); }
  .inspector-sheet { width: 100vw; padding-top: 76px; border-left: 0; border-top: 1px solid var(--hairline-strong); }
  #inspector { align-items: flex-end; }
  .inspector-sheet { height: min(86vh, 100%); align-self: flex-end; border-radius: 18px 18px 0 0; animation-name: sheet-up; }
  @keyframes sheet-up { from { transform: translateY(50px); opacity: 0; } to { transform: none; opacity: 1; } }
  .tl-year { grid-template-columns: 1fr; gap: 8px; }
  #filter-bar { top: auto; bottom: calc(var(--dock-h) + 76px); max-width: calc(100vw - 20px); }
}

/* ---------- spatial labels ---------- */
#label-layer { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.w-label {
  position: absolute; top: 0; left: 0; will-change: transform, opacity;
  white-space: nowrap; opacity: 0; transition: opacity 0.4s;
  text-shadow: 0 1px 14px rgba(13, 15, 23, 0.8);
  user-select: none;
}
.w-label.clickable { cursor: pointer; }
.label-core {
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  letter-spacing: 0.5em; padding-left: 0.5em; color: var(--thread);
}
.label-wing {
  font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--paper-dim); font-weight: 500;
}
.label-wing:hover { color: var(--thread); }
.label-artifact {
  font-size: 11.5px; font-weight: 500; color: var(--paper);
  background: rgba(13, 15, 23, 0.5); border: 1px solid var(--hairline);
  padding: 3px 9px; border-radius: 999px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.label-artifact:hover { border-color: var(--hairline-strong); color: var(--thread); }
.label-artifact.sealed { color: var(--paper-faint); font-size: 9.5px; letter-spacing: 0.2em; }
.label-loop {
  font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase; color: rgba(190, 214, 228, 0.75);
}
.label-year {
  font-family: var(--font-display); font-weight: 600; font-size: 20px; color: var(--thread);
  font-variant-numeric: tabular-nums;
}

/* Spatial tier: mode views become a bottom sheet so the world can perform the mode */
body[data-spatial="ready"] #mode-view {
  top: auto; height: 44vh;
  background: linear-gradient(transparent, rgba(13, 15, 23, 0.9) 22%);
  backdrop-filter: none; -webkit-backdrop-filter: none;
  mask-image: linear-gradient(transparent, black 20%);
  -webkit-mask-image: linear-gradient(transparent, black 20%);
}
body[data-spatial="ready"] .mode-inner { padding-top: 9vh; }
body[data-spatial="ready"] .mode-title { font-size: clamp(1.4rem, 2.6vw, 2rem); }
body[data-spatial="ready"] .mode-line { margin: 8px 0 18px; }

/* ---------- noscript ---------- */
.noscript-atlas {
  position: relative; z-index: 60; max-width: 720px; margin: 18vh auto 0;
  background: var(--pane-solid); border: 1px solid var(--hairline-strong); border-radius: 12px;
  padding: 34px 38px;
}
.noscript-atlas h2 { font-family: var(--font-display); margin-bottom: 12px; }
.noscript-atlas ul { list-style: none; margin-top: 14px; }
.noscript-atlas li { padding: 9px 0; border-top: 1px solid var(--hairline); }

/* ---------- reduced motion: composed, not amputated ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
  .say-pulse { animation: none; }
  /* The poster IS the composed arrival for this preference; nothing pulses,
     nothing drifts — hierarchy carries the scene instead of motion. */
}