/*
 * Living Story Atlas — final experience layer.
 * This file intentionally loads last. It changes the spatial grammar while
 * preserving the semantic theme tokens and the eight existing skins.
 */

:root[data-experience="living-atlas"] {
  --header-h: 88px;
  --roster-w: 286px;
  --inspector-w: 420px;
  --stage-rail-w: 92px;
  --stage-gutter: clamp(22px, 3.2vw, 58px);
  --stage-max: 1520px;
  --stage-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-experience="living-atlas"] body {
  font-size: 15px;
  letter-spacing: 0.005em;
}

:root[data-experience="living-atlas"] button,
:root[data-experience="living-atlas"] summary {
  transition:
    color 160ms var(--stage-ease),
    background-color 160ms var(--stage-ease),
    border-color 160ms var(--stage-ease),
    box-shadow 160ms var(--stage-ease),
    opacity 160ms var(--stage-ease),
    transform 120ms var(--stage-ease);
}

/* --------------------------------------------------------------------------
   Header and project identity
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .app-header {
  grid-template-columns: var(--roster-w) minmax(260px, 1fr) auto;
  min-height: var(--header-h);
  background:
    linear-gradient(90deg, var(--surface-panel), var(--surface-shell) 36%, var(--surface-shell));
  border-bottom-color: var(--border-default);
}

:root[data-experience="living-atlas"] .brand {
  padding-inline: 24px;
  border-right-color: var(--border-default);
}

:root[data-experience="living-atlas"] .brand-mark {
  width: 46px;
  height: 46px;
  flex-basis: 46px;
  color: var(--on-accent);
  background: var(--accent);
  border: 1px solid var(--accent-hover);
  border-radius: 50% 50% 16% 50%;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .brand-copy {
  gap: 1px;
}

:root[data-experience="living-atlas"] .brand-copy strong {
  font-size: 23px;
  letter-spacing: 0.13em;
}

:root[data-experience="living-atlas"] .brand-copy small {
  color: var(--fg-muted);
  letter-spacing: 0.2em;
}

:root[data-experience="living-atlas"] .project-heading {
  padding-inline: clamp(20px, 2.7vw, 42px);
  gap: 6px;
}

:root[data-experience="living-atlas"] .title {
  width: min(780px, 100%);
  font-size: clamp(22px, 2.05vw, 32px);
  font-weight: 680;
  letter-spacing: -0.025em;
}

:root[data-experience="living-atlas"] .project-meta {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

:root[data-experience="living-atlas"] .header-actions {
  padding-inline: 18px 20px;
  gap: 6px;
}

:root[data-experience="living-atlas"] .stage-mode-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 118px;
  min-height: 44px;
  padding: 0 13px;
  color: var(--fg-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: 0;
  gap: 8px;
}

:root[data-experience="living-atlas"] .stage-mode-toggle:hover,
:root[data-experience="living-atlas"] .stage-mode-toggle[aria-pressed="true"] {
  color: var(--accent-text);
  background: var(--accent-soft);
  border-color: var(--accent);
}

:root[data-experience="living-atlas"] .stage-mode-toggle svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

/* --------------------------------------------------------------------------
   Editorial roster and inspector
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .workspace,
:root[data-experience="living-atlas"] .workspace.inspector-open {
  grid-template-columns: var(--roster-w) minmax(0, 1fr);
  background: var(--surface-base);
}

:root[data-experience="living-atlas"] .workspace.inspector-open {
  grid-template-columns: var(--roster-w) minmax(0, 1fr) var(--inspector-w);
}

:root[data-experience="living-atlas"] .roster-panel {
  padding: 26px 18px 16px;
  background:
    linear-gradient(180deg, var(--surface-panel), color-mix(in oklch, var(--surface-panel) 88%, var(--surface-base)));
  border-right-color: var(--border-default);
}

:root[data-experience="living-atlas"] .panel-heading {
  align-items: start;
  padding: 0 6px 22px;
}

:root[data-experience="living-atlas"] .panel-heading h1 {
  margin-top: 7px;
  font-size: 28px;
  font-weight: 690;
  letter-spacing: -0.03em;
}

:root[data-experience="living-atlas"] .count-badge {
  min-width: 36px;
  height: 36px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--accent);
  border-radius: 0;
  font-size: 12px;
}

:root[data-experience="living-atlas"] .search {
  min-height: 50px;
  margin: 0 4px 12px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .search:focus-within {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: none;
}

:root[data-experience="living-atlas"] .search kbd {
  background: transparent;
  border: 0;
}

:root[data-experience="living-atlas"] .roster-list {
  padding: 0 4px 12px;
}

:root[data-experience="living-atlas"] .roster-item {
  grid-template-columns: 42px minmax(0, 1fr) auto;
  min-height: 72px;
  padding: 10px 5px;
  border: 0;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0;
  gap: 12px;
}

:root[data-experience="living-atlas"] .roster-item + .roster-item {
  margin-top: 0;
}

:root[data-experience="living-atlas"] .roster-item:hover,
:root[data-experience="living-atlas"] .roster-item.selected {
  background: linear-gradient(90deg, var(--accent-soft), transparent 86%);
}

:root[data-experience="living-atlas"] .roster-item.selected {
  border-color: var(--accent-soft-strong);
}

:root[data-experience="living-atlas"] .roster-item.selected::before {
  top: 0;
  bottom: 0;
  left: -4px;
  width: 2px;
  border-radius: 0;
}

:root[data-experience="living-atlas"] .roster-avatar {
  width: 42px;
  height: 42px;
  border-width: 1px;
  font-size: 19px;
}

:root[data-experience="living-atlas"] .roster-copy strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 680;
}

:root[data-experience="living-atlas"] .roster-copy small {
  margin-top: 2px;
  font-size: 10px;
}

:root[data-experience="living-atlas"] .roster-code {
  align-self: start;
  padding-top: 3px;
  color: var(--fg-faint);
  font-size: 8px;
}

:root[data-experience="living-atlas"] .roster-foot {
  padding-top: 16px;
  border-top-color: var(--border-default);
}

:root[data-experience="living-atlas"] .inspector-panel {
  padding: 24px 22px;
  background: var(--surface-shell);
  border-left: 1px solid var(--border-default);
  box-shadow: -24px 0 60px color-mix(in oklch, var(--shadow-color) 35%, transparent);
}

:root[data-experience="living-atlas"] .inspector-head {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-default);
}

:root[data-experience="living-atlas"] .profile-form {
  gap: 24px;
}

:root[data-experience="living-atlas"] .profile-form .hero-field input {
  min-height: 58px;
  padding-inline: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 27px;
}

:root[data-experience="living-atlas"] .field-section {
  padding: 20px 0 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border-subtle);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .field-section legend {
  padding: 0 12px 0 0;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
}

/* --------------------------------------------------------------------------
   Chapter spine and open stage
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .canvas-wrap {
  background: var(--canvas-bg);
}

:root[data-experience="living-atlas"] .workspace-module {
  position: relative;
  padding: clamp(30px, 4vw, 70px) var(--stage-gutter) 90px;
  background:
    linear-gradient(135deg, var(--surface-base), color-mix(in oklch, var(--surface-base) 94%, var(--accent-soft)));
  isolation: isolate;
}

:root[data-experience="living-atlas"] .workspace-module::after {
  position: absolute;
  z-index: 0;
  top: 24px;
  right: var(--stage-gutter);
  max-width: 70%;
  overflow: hidden;
  color: var(--fg-primary);
  content: attr(data-scene-word);
  font-family: var(--font-display);
  font-size: clamp(62px, 9vw, 154px);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.8;
  opacity: 0.025;
  pointer-events: none;
  text-overflow: clip;
  white-space: nowrap;
}

:root[data-experience="living-atlas"] .workspace-module > * {
  position: relative;
  z-index: 1;
}

:root[data-experience="living-atlas"] .module-header {
  align-items: end;
  width: min(100%, var(--stage-max));
  max-width: none;
  margin: 0 auto clamp(30px, 4vw, 58px);
  padding: 0 0 24px;
  border-bottom: 1px solid var(--border-default);
  gap: 34px;
}

:root[data-experience="living-atlas"] .module-header > div:first-child {
  min-width: 0;
}

:root[data-experience="living-atlas"] .module-header h2 {
  max-width: 940px;
  margin: 9px 0 12px;
  font-size: clamp(42px, 5.4vw, 78px);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

:root[data-experience="living-atlas"] .module-header p {
  max-width: 680px;
  color: var(--fg-secondary);
  font-size: 13px;
  line-height: 1.75;
}

:root[data-experience="living-atlas"] .module-primary-action,
:root[data-experience="living-atlas"] .module-secondary-action {
  min-height: 48px;
  border-radius: 0;
}

:root[data-experience="living-atlas"] .module-secondary-action {
  color: var(--fg-secondary);
  background: transparent;
  border-color: var(--border-default);
}

:root[data-experience="living-atlas"] .scene-arriving {
  animation: stage-arrival 300ms var(--stage-ease) both;
}

@keyframes stage-arrival {
  from {
    opacity: 0.45;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 1181px) {
  :root[data-experience="living-atlas"] .canvas-wrap {
    grid-template-columns: var(--stage-rail-w) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .workspace-chrome {
    grid-column: 1;
    grid-row: 1;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    min-height: 0;
    padding: 18px 8px 14px;
    background: var(--surface-shell);
    border-right: 1px solid var(--border-default);
    border-bottom: 0;
    gap: 18px;
  }

  :root[data-experience="living-atlas"] .workspace-lenses,
  :root[data-experience="living-atlas"] .workspace-lenses.explorer-lenses-ready {
    display: flex;
    flex: 0 1 auto;
    flex-direction: column;
    width: 100%;
    padding: 0;
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
    gap: 2px;
  }

  :root[data-experience="living-atlas"] .workspace-lens,
  :root[data-experience="living-atlas"] .workspace-lenses.explorer-lenses-ready .workspace-lens {
    position: relative;
    display: grid;
    grid-template-rows: auto auto;
    flex: 0 0 auto;
    width: 100%;
    min-width: 0;
    min-height: 78px;
    padding: 13px 7px 11px;
    place-items: center;
    color: var(--fg-muted);
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    gap: 5px;
  }

  :root[data-experience="living-atlas"] .workspace-lens::before {
    color: var(--fg-faint);
    content: attr(data-scene-number);
    font-family: var(--font-mono);
    font-size: 8px;
    letter-spacing: 0.1em;
  }

  :root[data-experience="living-atlas"] .workspace-lens::after {
    position: absolute;
    top: 14px;
    right: -8px;
    bottom: 14px;
    width: 2px;
    background: var(--accent);
    content: "";
    opacity: 0;
    transform: scaleY(0.25);
    transition: opacity 160ms var(--stage-ease), transform 220ms var(--stage-ease);
  }

  :root[data-experience="living-atlas"] .workspace-lens svg {
    display: none;
  }

  :root[data-experience="living-atlas"] .workspace-lens span {
    font-size: 12px;
    font-weight: 680;
    letter-spacing: 0.08em;
  }

  :root[data-experience="living-atlas"] .workspace-lens:hover {
    color: var(--fg-primary);
    background: linear-gradient(90deg, transparent, var(--accent-soft));
  }

  :root[data-experience="living-atlas"] .workspace-lens.active,
  :root[data-experience="living-atlas"] .workspace-lens[aria-selected="true"] {
    color: var(--accent-text);
    background: linear-gradient(90deg, transparent, var(--accent-soft));
    border: 0;
    box-shadow: none;
  }

  :root[data-experience="living-atlas"] .workspace-lens.active::before,
  :root[data-experience="living-atlas"] .workspace-lens[aria-selected="true"]::before {
    color: var(--accent-text);
  }

  :root[data-experience="living-atlas"] .workspace-lens.active::after,
  :root[data-experience="living-atlas"] .workspace-lens[aria-selected="true"]::after {
    opacity: 1;
    transform: scaleY(1);
  }

  :root[data-experience="living-atlas"] .workspace-view-status {
    align-self: center;
    max-height: 160px;
    writing-mode: vertical-rl;
    font-size: 8px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  :root[data-experience="living-atlas"] .map-surface,
  :root[data-experience="living-atlas"] .workspace-module {
    grid-column: 2;
    grid-row: 1;
  }
}

/* --------------------------------------------------------------------------
   Relationship stage and derived presentations
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .map-surface {
  background:
    radial-gradient(circle at 50% 48%, var(--accent-soft), transparent 36%),
    var(--canvas-bg);
}

:root[data-experience="living-atlas"] .map-utility-bar {
  top: 18px;
  left: 18px;
  right: 18px;
  width: auto;
  min-height: 54px;
  padding: 5px;
  background: color-mix(in oklch, var(--surface-shell) 94%, transparent);
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .map-filter-search,
:root[data-experience="living-atlas"] .map-tag-filter select,
:root[data-experience="living-atlas"] .presentation-mode-control {
  background: transparent;
  border-color: var(--border-subtle);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .view-controls {
  top: 82px;
  right: 18px;
  background: var(--surface-shell);
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .workspace.inspector-open .map-utility-bar {
  right: 18px;
  width: auto;
}

:root[data-experience="living-atlas"] .workspace.inspector-open .view-controls {
  top: 82px;
}

:root[data-experience="living-atlas"] .command-dock {
  bottom: 18px;
  overflow: hidden;
  background: var(--surface-shell);
  border: 1px solid var(--border-default);
  border-radius: 0;
  box-shadow: 0 24px 64px var(--shadow-color);
}

:root[data-experience="living-atlas"] .tool,
:root[data-experience="living-atlas"] .view-controls button,
:root[data-experience="living-atlas"] .utility-toggle,
:root[data-experience="living-atlas"] .utility-action,
:root[data-experience="living-atlas"] .utility-icon {
  border-radius: 0;
}

:root[data-experience="living-atlas"] .graph-presentation-layer {
  padding: 86px 24px 24px;
  background:
    radial-gradient(circle at 50% 22%, var(--accent-soft), transparent 34%),
    var(--canvas-bg);
}

:root[data-experience="living-atlas"] .presentation-shell {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .presentation-shell::before {
  display: none;
}

:root[data-experience="living-atlas"] .presentation-header {
  padding: 22px 2px 20px;
  background: transparent;
  border-bottom-color: var(--border-default);
}

:root[data-experience="living-atlas"] .presentation-header h2 {
  font-size: clamp(30px, 3.5vw, 50px);
  letter-spacing: -0.045em;
}

:root[data-experience="living-atlas"] .presentation-stats span {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
}

/* --------------------------------------------------------------------------
   Cast roll — a continuous casting index
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .directory-toolbar,
:root[data-experience="living-atlas"] .compare-tray,
:root[data-experience="living-atlas"] .directory-table {
  width: min(100%, var(--stage-max));
  max-width: none;
}

:root[data-experience="living-atlas"] .directory-toolbar {
  min-height: 68px;
  margin-bottom: 18px;
  padding: 8px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
  gap: 10px;
}

:root[data-experience="living-atlas"] .directory-toolbar input,
:root[data-experience="living-atlas"] .directory-toolbar select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .compare-empty {
  min-height: 46px;
  padding: 6px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px dashed var(--border-default);
  border-radius: 0;
  font-size: 11px;
}

:root[data-experience="living-atlas"] .compare-head,
:root[data-experience="living-atlas"] .compare-grid {
  background: transparent;
  border-color: var(--border-default);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .compare-person,
:root[data-experience="living-atlas"] .compare-placeholder {
  background: transparent;
  border: 0;
  border-left: 2px solid var(--accent-soft-strong);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .directory-table {
  counter-reset: cast-index;
  overflow: visible;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border-strong);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .directory-row {
  counter-increment: cast-index;
  grid-template-columns: 42px 58px minmax(180px, 1.15fr) minmax(160px, 1fr) 64px minmax(130px, 0.7fr) auto;
  min-height: 106px;
  padding: 15px 4px;
  background: transparent;
  border-bottom: 1px solid var(--border-default);
  gap: 16px;
}

:root[data-experience="living-atlas"] .directory-row::before {
  align-self: start;
  padding-top: 4px;
  color: var(--fg-faint);
  content: counter(cast-index, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

:root[data-experience="living-atlas"] .directory-row:hover {
  background: linear-gradient(90deg, var(--accent-soft), transparent 72%);
}

:root[data-experience="living-atlas"] .directory-avatar {
  width: 54px;
  height: 54px;
  border-width: 1px;
  font-size: 22px;
}

:root[data-experience="living-atlas"] .directory-identity {
  gap: 6px;
}

:root[data-experience="living-atlas"] .directory-identity strong {
  font-size: 24px;
  font-weight: 670;
  letter-spacing: -0.025em;
}

:root[data-experience="living-atlas"] .directory-identity > small:not(.directory-mobile-summary) {
  font-size: 11px;
}

:root[data-experience="living-atlas"] .directory-mobile-summary {
  display: none;
}

:root[data-experience="living-atlas"] .directory-tags {
  flex-wrap: wrap;
  overflow: visible;
}

:root[data-experience="living-atlas"] .directory-tags span {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--accent-soft-strong);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .directory-completeness > span {
  height: 2px;
  border-radius: 0;
}

:root[data-experience="living-atlas"] .directory-actions button {
  border-radius: 0;
}

/* --------------------------------------------------------------------------
   Editorial proof — insight as an actionable report
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .insight-brief,
:root[data-experience="living-atlas"] .insight-metrics,
:root[data-experience="living-atlas"] .insight-grid {
  width: min(100%, var(--stage-max));
  max-width: none;
}

:root[data-experience="living-atlas"] .insight-brief {
  min-height: 92px;
  margin: -12px auto 42px;
  padding: 4px 0 4px clamp(20px, 2.4vw, 38px);
  color: var(--fg-primary);
  border-left: 3px solid var(--accent);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 43px);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.22;
}

:root[data-experience="living-atlas"] .insight-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 48px;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  gap: 0;
}

:root[data-experience="living-atlas"] .insight-metric {
  min-height: 150px;
  padding: 24px clamp(16px, 2vw, 30px);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border-subtle);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .insight-metric:last-child {
  border-right: 0;
}

:root[data-experience="living-atlas"] .insight-metric strong {
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 680;
  letter-spacing: -0.05em;
}

:root[data-experience="living-atlas"] .insight-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  border-top: 1px solid var(--border-default);
  gap: 0;
}

:root[data-experience="living-atlas"] .insight-card {
  padding: clamp(24px, 3vw, 44px);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .insight-card-completeness {
  grid-column: 1 / 8;
  grid-row: 1 / 3;
  border-right: 1px solid var(--border-default);
}

:root[data-experience="living-atlas"] .insight-card-core {
  grid-column: 8 / 13;
  grid-row: 1;
}

:root[data-experience="living-atlas"] .insight-card-gaps {
  grid-column: 8 / 13;
  grid-row: 2;
}

:root[data-experience="living-atlas"] .insight-card-tags {
  grid-column: 1 / 13;
  grid-row: 3;
}

:root[data-experience="living-atlas"] .insight-card-head {
  margin-bottom: 24px;
}

:root[data-experience="living-atlas"] .insight-card-head h3 {
  margin-top: 7px;
  font-size: clamp(25px, 2.7vw, 42px);
  font-weight: 650;
  letter-spacing: -0.035em;
}

:root[data-experience="living-atlas"] .insight-score {
  font-size: clamp(30px, 4vw, 54px);
}

:root[data-experience="living-atlas"] .action-item,
:root[data-experience="living-atlas"] .rank-item,
:root[data-experience="living-atlas"] .tag-bar {
  min-height: 62px;
  padding-inline: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .action-item:hover,
:root[data-experience="living-atlas"] .rank-item:hover,
:root[data-experience="living-atlas"] .tag-bar:hover {
  padding-left: 10px;
  background: linear-gradient(90deg, var(--accent-soft), transparent);
}

/* --------------------------------------------------------------------------
   Chronicle reel — horizontal chapters on wide screens
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] .timeline-workspace {
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--surface-base) 94%, var(--accent-soft)), var(--surface-base));
}

:root[data-experience="living-atlas"] .timeline-metrics,
:root[data-experience="living-atlas"] .timeline-toolbar,
:root[data-experience="living-atlas"] .timeline-river-shell,
:root[data-experience="living-atlas"] .timeline-reel-nav {
  width: min(100%, var(--stage-max));
  max-width: none;
}

:root[data-experience="living-atlas"] .timeline-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 28px;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  gap: 0;
}

:root[data-experience="living-atlas"] .timeline-metric {
  min-height: 132px;
  padding: 22px 28px;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border-subtle);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .timeline-metric:last-child {
  border-right: 0;
}

:root[data-experience="living-atlas"] .timeline-metric::after {
  display: none;
}

:root[data-experience="living-atlas"] .timeline-metric dd {
  font-size: 46px;
  font-weight: 670;
}

:root[data-experience="living-atlas"] .timeline-toolbar {
  min-height: 72px;
  margin-bottom: 0;
  padding: 9px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .timeline-filter input,
:root[data-experience="living-atlas"] .timeline-filter select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .timeline-reel-nav {
  display: none;
  align-items: center;
  justify-content: flex-end;
  min-height: 58px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border-subtle);
  gap: 12px;
}

:root[data-experience="living-atlas"] .timeline-reel-nav button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
  color: var(--fg-secondary);
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  gap: 6px;
}

:root[data-experience="living-atlas"] .timeline-reel-nav button:hover:not(:disabled) {
  color: var(--accent-text);
  border-bottom-color: var(--accent);
}

:root[data-experience="living-atlas"] .timeline-reel-nav button:disabled {
  opacity: 0.35;
}

:root[data-experience="living-atlas"] .timeline-reel-nav svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

:root[data-experience="living-atlas"] .timeline-reel-nav [data-reel-status] {
  min-width: 84px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: center;
}

@media (min-width: 901px) {
  :root[data-experience="living-atlas"] .timeline-reel-nav {
    display: flex;
  }

  :root[data-experience="living-atlas"] .timeline-river-shell {
    margin: 0 auto;
    padding: 0 0 36px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 24px;
    scroll-snap-type: x mandatory;
    scrollbar-color: var(--accent-soft-strong) transparent;
    scrollbar-width: thin;
  }

  :root[data-experience="living-atlas"] .timeline-river {
    display: flex;
    align-items: stretch;
    width: max-content;
    min-width: 100%;
    min-height: 430px;
    padding: 0;
  }

  :root[data-experience="living-atlas"] .timeline-river::before {
    top: 76px;
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), var(--border-default));
    border: 0;
    border-radius: 0;
    box-shadow: none;
    transform: none;
  }

  :root[data-experience="living-atlas"] .timeline-sequence {
    flex: 0 0 clamp(620px, 63vw, 860px);
    min-width: 0;
    margin: 0;
    padding: 0 48px 28px;
    border-left: 1px solid var(--border-default);
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  :root[data-experience="living-atlas"] .timeline-sequence:first-child {
    border-left: 0;
  }

  :root[data-experience="living-atlas"] .timeline-sequence-header {
    display: grid;
    width: auto;
    min-width: 0;
    min-height: 112px;
    margin: 0 0 20px;
    padding: 22px 0 17px;
    place-items: start;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 0;
    box-shadow: none;
  }

  :root[data-experience="living-atlas"] .timeline-sequence-header h3 {
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 650;
    letter-spacing: -0.04em;
  }

  :root[data-experience="living-atlas"] .timeline-sequence-knot {
    top: 70px;
    left: -55px;
    width: 11px;
    height: 11px;
    border-width: 2px;
    border-radius: 50%;
    transform: none;
  }

  :root[data-experience="living-atlas"] .timeline-sequence-events {
    display: grid;
    gap: 2px;
  }

  :root[data-experience="living-atlas"] .timeline-flow-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    margin: 0;
  }

  :root[data-experience="living-atlas"] .timeline-bank-left .timeline-event-card,
  :root[data-experience="living-atlas"] .timeline-bank-right .timeline-event-card {
    grid-column: 1;
  }

  :root[data-experience="living-atlas"] .timeline-flow-marker {
    display: none;
  }

  :root[data-experience="living-atlas"] .timeline-event-card {
    padding: 24px 4px 26px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--border-default);
    border-radius: 0;
    box-shadow: none;
  }

  :root[data-experience="living-atlas"] .timeline-event-card:hover,
  :root[data-experience="living-atlas"] .timeline-event-card:focus-visible {
    padding-left: 14px;
    background: linear-gradient(90deg, var(--accent-soft), transparent 86%);
    border-color: var(--accent-soft-strong);
    box-shadow: none;
    transform: none;
  }

  :root[data-experience="living-atlas"] .timeline-card-header h3 {
    font-size: clamp(25px, 2.5vw, 36px);
    letter-spacing: -0.035em;
  }
}

/* --------------------------------------------------------------------------
   Relationship observatory — one instrument at a time
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"] #explorerWorkspace {
  background:
    radial-gradient(circle at 82% 10%, var(--explorer-wash), transparent 34%),
    var(--surface-base);
}

:root[data-experience="living-atlas"] .explorer-header,
:root[data-experience="living-atlas"] .explorer-shell {
  width: min(100%, var(--stage-max));
  max-width: none;
}

:root[data-experience="living-atlas"] .explorer-readonly-badge {
  min-width: 178px;
  background: transparent;
  border: 0;
  border-left: 2px solid var(--positive);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .explorer-filter-bar {
  margin-bottom: 28px;
  padding: 24px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .explorer-type-option > span {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .explorer-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 34px;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  gap: 0;
}

:root[data-experience="living-atlas"] .explorer-metrics article {
  min-height: 118px;
  padding: 20px 24px;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border-subtle);
  border-radius: 0;
}

:root[data-experience="living-atlas"] .explorer-metrics article:last-child {
  border-right: 0;
}

:root[data-experience="living-atlas"] .explorer-metrics article::before {
  right: auto;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
}

:root[data-experience="living-atlas"] .explorer-metrics strong {
  font-size: 42px;
  font-weight: 670;
}

:root[data-experience="living-atlas"] .explorer-mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 0;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  min-height: 92px;
  padding: 16px 20px;
  color: var(--fg-muted);
  text-align: left;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border-default);
  border-radius: 0;
  gap: 3px 10px;
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button:last-child {
  border-right: 0;
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button > span {
  grid-column: 1;
  grid-row: 1 / 3;
  padding-top: 2px;
  color: var(--fg-faint);
  font-family: var(--font-mono);
  font-size: 9px;
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button strong {
  grid-column: 2;
  color: var(--fg-primary);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 650;
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button small {
  grid-column: 2;
  color: var(--fg-muted);
  font-size: 10px;
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button:hover,
:root[data-experience="living-atlas"] .explorer-mode-tabs button[aria-selected="true"] {
  color: var(--accent-text);
  background: linear-gradient(180deg, var(--accent-soft), transparent);
}

:root[data-experience="living-atlas"] .explorer-mode-tabs button[aria-selected="true"] {
  box-shadow: inset 0 -3px var(--accent);
}

:root[data-experience="living-atlas"] .explorer-grid {
  display: block;
}

:root[data-experience="living-atlas"] .explorer-card[hidden] {
  display: none !important;
}

:root[data-experience="living-atlas"] .explorer-card {
  min-height: 440px;
  padding: clamp(28px, 4vw, 62px) 0;
  overflow: visible;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-default);
  border-radius: 0;
  box-shadow: none;
}

:root[data-experience="living-atlas"] .explorer-card::after {
  display: none;
}

:root[data-experience="living-atlas"] .explorer-card-head {
  margin-bottom: 34px;
}

:root[data-experience="living-atlas"] .explorer-card-index {
  width: auto;
  height: auto;
  margin-right: 10px;
  color: var(--accent-text);
  background: transparent;
  border: 0;
  border-radius: 0;
}

:root[data-experience="living-atlas"] .explorer-card-head h3 {
  margin-top: 10px;
  font-size: clamp(36px, 4.6vw, 66px);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1;
}

:root[data-experience="living-atlas"] .explorer-result-badge {
  background: transparent;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
}

:root[data-experience="living-atlas"] .explorer-path-controls,
:root[data-experience="living-atlas"] .explorer-perspective-controls {
  margin-bottom: 30px;
}

:root[data-experience="living-atlas"] .explorer-path-controls select,
:root[data-experience="living-atlas"] .explorer-perspective-controls select,
:root[data-experience="living-atlas"] .explorer-swap {
  background: transparent;
  border-radius: 0;
}

/* --------------------------------------------------------------------------
   Immersive stage mode
   -------------------------------------------------------------------------- */

:root[data-experience="living-atlas"][data-stage-mode="focus"] .app-header {
  position: fixed;
  z-index: 860;
  top: 14px;
  right: 14px;
  display: block;
  width: auto;
  height: auto;
  min-height: 0;
  background: transparent;
  border: 0;
  pointer-events: none;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .app-header > :not(.header-actions),
:root[data-experience="living-atlas"][data-stage-mode="focus"] .header-actions > :not(#stageModeToggle) {
  display: none;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .header-actions {
  display: block;
  width: auto;
  height: auto;
  padding: 0;
  border: 0;
  pointer-events: auto;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .stage-mode-toggle {
  min-width: 48px;
  width: 48px;
  height: 48px;
  padding: 0;
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 14px 36px var(--shadow-color);
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .stage-mode-toggle span {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace {
  height: 100dvh;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open {
  grid-template-columns: minmax(0, 1fr) var(--inspector-w);
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .roster-panel {
  display: none;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .canvas-wrap {
  grid-column: 1;
  grid-row: 1;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .inspector-panel {
  grid-column: 2;
  grid-row: 1;
}

:root[data-experience="living-atlas"][data-stage-mode="focus"] .view-controls {
  top: 82px;
}

@media (min-width: 981px) {
  :root[data-experience="living-atlas"][data-stage-mode="focus"]:has(.workspace.inspector-open) .app-header {
    right: calc(var(--inspector-w) + 14px);
  }
}

@media (min-width: 1181px) {
  :root[data-experience="living-atlas"][data-stage-mode="focus"] .map-utility-bar,
  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open .map-utility-bar {
    right: 78px;
  }
}

/* --------------------------------------------------------------------------
   Responsive adaptation
   -------------------------------------------------------------------------- */

@media (max-width: 1440px) {
  :root[data-experience="living-atlas"] .stage-mode-toggle {
    min-width: 44px;
    width: 44px;
    padding: 0;
  }

  :root[data-experience="living-atlas"] .stage-mode-toggle span {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
}

@media (max-width: 1180px) {
  :root[data-experience="living-atlas"] {
    --header-h: 78px;
    --roster-w: 252px;
    --chrome-h: 58px;
  }

  :root[data-experience="living-atlas"] .canvas-wrap {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--chrome-h) minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open {
    grid-template-columns: var(--roster-w) minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .workspace-chrome {
    grid-column: 1;
    grid-row: 1;
    min-height: var(--chrome-h);
    padding: 6px 12px;
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace-chrome {
    padding-right: 68px;
  }

  :root[data-experience="living-atlas"] .workspace-lenses,
  :root[data-experience="living-atlas"] .workspace-lenses.explorer-lenses-ready {
    display: inline-flex;
    flex-direction: row;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    gap: 0;
  }

  :root[data-experience="living-atlas"] .workspace-lens,
  :root[data-experience="living-atlas"] .workspace-lenses.explorer-lenses-ready .workspace-lens {
    min-width: 86px;
    min-height: 44px;
    padding-inline: 12px;
    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    box-shadow: none;
  }

  :root[data-experience="living-atlas"] .workspace-lens.active,
  :root[data-experience="living-atlas"] .workspace-lens[aria-selected="true"] {
    color: var(--accent-text);
    background: var(--accent-soft);
    border-bottom-color: var(--accent);
  }

  :root[data-experience="living-atlas"] .map-surface,
  :root[data-experience="living-atlas"] .workspace-module {
    grid-column: 1;
    grid-row: 2;
  }

  :root[data-experience="living-atlas"] .module-header h2 {
    font-size: clamp(38px, 6vw, 62px);
  }

  :root[data-experience="living-atlas"] .directory-row {
    grid-template-columns: 36px 52px minmax(150px, 1fr) minmax(110px, 0.8fr) 54px auto;
  }

  :root[data-experience="living-atlas"] .directory-completeness {
    display: none;
  }

  :root[data-experience="living-atlas"] .map-utility-bar {
    right: 18px;
    width: auto;
  }

  :root[data-experience="living-atlas"] .view-controls {
    top: 82px;
  }
}

@media (min-width: 1181px) and (max-width: 1320px) {
  :root[data-experience="living-atlas"] .workspace.inspector-open {
    grid-template-columns: var(--roster-w) minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .inspector-panel {
    position: absolute;
    z-index: 90;
    top: 12px;
    right: 12px;
    bottom: 12px;
    width: min(var(--inspector-w), calc(100% - 24px));
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .map-utility-bar {
    right: calc(var(--inspector-w) + 30px);
    overflow-x: auto;
    scrollbar-width: none;
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open .map-utility-bar {
    right: calc(var(--inspector-w) + 90px);
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .view-controls,
  :root[data-experience="living-atlas"] .workspace.inspector-open .color-palette {
    right: calc(var(--inspector-w) + 30px);
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .command-dock {
    left: 18px;
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - var(--inspector-w) - 48px);
    transform: none;
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .selection-context {
    display: none;
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .command-tools {
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .tool,
  :root[data-experience="living-atlas"] .workspace.inspector-open .color-tool-wrap {
    width: 44px;
    flex-basis: 44px;
  }

  :root[data-experience="living-atlas"] .workspace.inspector-open .command-divider {
    display: none;
  }

  :root[data-experience="living-atlas"] .directory-row {
    grid-template-columns: 36px 52px minmax(130px, 1fr) minmax(100px, 0.8fr) 54px auto;
    gap: 12px;
  }

  :root[data-experience="living-atlas"] .directory-completeness {
    display: none;
  }
}

@media (max-width: 1024px) {
  :root[data-experience="living-atlas"] .brand {
    padding-inline: 13px;
  }

  :root[data-experience="living-atlas"] .directory-row {
    grid-template-columns: 34px 50px minmax(130px, 1fr) minmax(100px, 0.8fr) auto;
  }

  :root[data-experience="living-atlas"] .directory-stat {
    display: none;
  }

  :root[data-experience="living-atlas"] .insight-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .insight-card-completeness,
  :root[data-experience="living-atlas"] .insight-card-core,
  :root[data-experience="living-atlas"] .insight-card-gaps,
  :root[data-experience="living-atlas"] .insight-card-tags {
    grid-column: 1;
    grid-row: auto;
    border-right: 0;
  }
}

@media (max-width: 900px) {
  :root[data-experience="living-atlas"] .timeline-river-shell {
    padding-bottom: 70px;
  }

  :root[data-experience="living-atlas"] .timeline-sequence-header,
  :root[data-experience="living-atlas"] .timeline-event-card {
    border-radius: 0;
    box-shadow: none;
  }
}

@media (max-width: 820px) {
  :root[data-experience="living-atlas"] {
    --header-h: 70px;
    --stage-gutter: 16px;
  }

  :root[data-experience="living-atlas"] .app-header {
    grid-template-columns: 58px minmax(0, 1fr) auto;
  }

  :root[data-experience="living-atlas"] .workspace,
  :root[data-experience="living-atlas"] .workspace.inspector-open {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 154px minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .workspace-module {
    padding: 28px var(--stage-gutter) 70px;
  }

  :root[data-experience="living-atlas"] .workspace-module::after {
    top: 18px;
    right: 12px;
    font-size: 66px;
  }

  :root[data-experience="living-atlas"] .module-header {
    align-items: start;
    margin-bottom: 30px;
  }

  :root[data-experience="living-atlas"] .module-header h2 {
    font-size: clamp(34px, 9vw, 54px);
  }

  :root[data-experience="living-atlas"] .module-header p {
    font-size: 12px;
  }

  :root[data-experience="living-atlas"] .roster-panel {
    padding: 10px 12px;
  }

  :root[data-experience="living-atlas"] .panel-heading {
    align-items: center;
    padding: 0 10px 0 2px;
  }

  :root[data-experience="living-atlas"] .panel-heading h1 {
    margin-top: 2px;
    font-size: 17px;
  }

  :root[data-experience="living-atlas"] .search {
    min-height: 44px;
    margin: 0 0 6px;
  }

  :root[data-experience="living-atlas"] .roster-item {
    min-height: 62px;
    padding: 7px 8px;
    border: 1px solid var(--border-subtle);
  }

  :root[data-experience="living-atlas"] .map-utility-bar {
    top: 8px;
    right: 8px;
    left: 8px;
  }

  :root[data-experience="living-atlas"] .view-controls {
    top: 72px;
    right: 8px;
  }

  :root[data-experience="living-atlas"] .insight-metrics,
  :root[data-experience="living-atlas"] .explorer-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root[data-experience="living-atlas"] .insight-metric:nth-child(2),
  :root[data-experience="living-atlas"] .explorer-metrics article:nth-child(2) {
    border-right: 0;
  }

  :root[data-experience="living-atlas"] .insight-metric,
  :root[data-experience="living-atlas"] .explorer-metrics article {
    min-height: 112px;
    padding: 18px;
    border-bottom: 1px solid var(--border-subtle);
  }

  :root[data-experience="living-atlas"] .explorer-filter-bar {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .explorer-mode-tabs button {
    min-height: 76px;
    padding: 12px;
  }

  :root[data-experience="living-atlas"] .explorer-mode-tabs button small {
    display: none;
  }

  :root[data-experience="living-atlas"] .explorer-card {
    min-height: 0;
    padding-block: 34px;
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace,
  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open {
    height: 100dvh;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .inspector-panel {
    grid-column: 1;
    grid-row: 1;
    top: 72px;
  }
}

@media (max-width: 680px) {
  :root[data-experience="living-atlas"] {
    --header-h: 116px;
    --chrome-h: 54px;
  }

  :root[data-experience="living-atlas"] .app-header {
    grid-template-columns: 52px minmax(0, 1fr);
    grid-template-rows: 60px 56px;
    height: var(--header-h);
  }

  :root[data-experience="living-atlas"] .brand {
    grid-column: 1;
    grid-row: 1;
    height: 60px;
  }

  :root[data-experience="living-atlas"] .project-heading {
    grid-column: 2;
    grid-row: 1;
    height: 60px;
  }

  :root[data-experience="living-atlas"] .header-actions {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-columns: repeat(7, minmax(38px, 1fr));
    width: 100%;
    height: 56px;
    padding: 6px;
    border-top: 1px solid var(--border-subtle);
    gap: 4px;
  }

  :root[data-experience="living-atlas"] .header-actions .icon-button,
  :root[data-experience="living-atlas"] .header-actions .export-button,
  :root[data-experience="living-atlas"] .header-actions .command-palette-trigger,
  :root[data-experience="living-atlas"] .header-actions .stage-mode-toggle {
    width: 100%;
    min-width: 38px;
    min-height: 42px;
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .header-actions .stage-mode-toggle {
    width: 48px;
    min-width: 48px;
  }

  :root[data-experience="living-atlas"] .theme-menu-panel,
  :root[data-experience="living-atlas"] .project-menu-panel {
    position: fixed;
    top: calc(var(--header-h) - 2px);
    right: 8px;
    left: 8px;
    width: auto;
  }

  :root[data-experience="living-atlas"] .view-controls {
    top: 126px;
  }

  :root[data-experience="living-atlas"] .workspace-lens,
  :root[data-experience="living-atlas"] .workspace-lenses.explorer-lenses-ready .workspace-lens {
    flex: 1 0 72px;
    min-width: 72px;
    padding-inline: 7px;
  }

  :root[data-experience="living-atlas"] .workspace-lens svg {
    display: none;
  }

  :root[data-experience="living-atlas"] .module-header {
    display: grid;
  }

  :root[data-experience="living-atlas"] .directory-toolbar {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .directory-row {
    grid-template-columns: 28px 48px minmax(0, 1fr) auto;
    min-height: 92px;
    gap: 10px;
  }

  :root[data-experience="living-atlas"] .directory-tags,
  :root[data-experience="living-atlas"] .directory-stat,
  :root[data-experience="living-atlas"] .directory-completeness {
    display: none;
  }

  :root[data-experience="living-atlas"] .directory-identity strong {
    font-size: 19px;
  }

  :root[data-experience="living-atlas"] .directory-mobile-summary {
    display: block;
    color: var(--fg-muted);
    font-family: var(--font-mono);
    font-size: 9px;
  }

  :root[data-experience="living-atlas"] .directory-actions {
    grid-column: 4;
    grid-row: 1;
  }

  :root[data-experience="living-atlas"] .insight-brief {
    min-height: 0;
    margin-bottom: 30px;
    font-size: 24px;
  }

  :root[data-experience="living-atlas"] .timeline-metrics {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .timeline-metric {
    min-height: 96px;
    border-right: 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  :root[data-experience="living-atlas"] .explorer-mode-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  :root[data-experience="living-atlas"] .explorer-mode-tabs button {
    display: grid;
    grid-template-columns: 1fr;
    place-items: center;
    text-align: center;
  }

  :root[data-experience="living-atlas"] .explorer-mode-tabs button > span {
    display: none;
  }

  :root[data-experience="living-atlas"] .explorer-mode-tabs button strong {
    grid-column: 1;
    font-size: 17px;
  }

  :root[data-experience="living-atlas"] .explorer-path-controls,
  :root[data-experience="living-atlas"] .explorer-perspective-controls {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .explorer-swap {
    width: 100%;
  }
}

@media (max-width: 460px) {
  :root[data-experience="living-atlas"] {
    --header-h: 116px;
    --chrome-h: 54px;
  }

  :root[data-experience="living-atlas"] .app-header {
    grid-template-columns: 52px minmax(0, 1fr);
    grid-template-rows: 60px 56px;
  }

  :root[data-experience="living-atlas"] .header-actions {
    grid-template-columns: repeat(7, minmax(38px, 1fr));
    height: 56px;
    padding: 6px;
  }

  :root[data-experience="living-atlas"] .header-actions .stage-mode-toggle {
    width: 100%;
    min-width: 38px;
    min-height: 42px;
  }

  :root[data-experience="living-atlas"] .view-controls {
    top: 120px;
  }

  :root[data-experience="living-atlas"] .workspace,
  :root[data-experience="living-atlas"] .workspace.inspector-open {
    height: calc(100dvh - var(--header-h));
    grid-template-rows: 136px minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .workspace-module {
    padding: 24px 10px 54px;
  }

  :root[data-experience="living-atlas"] .module-header h2 {
    font-size: 32px;
  }

  :root[data-experience="living-atlas"] .module-header-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  :root[data-experience="living-atlas"] .insight-metrics,
  :root[data-experience="living-atlas"] .explorer-metrics {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-experience="living-atlas"] .insight-metric,
  :root[data-experience="living-atlas"] .explorer-metrics article {
    border-right: 0;
  }

  :root[data-experience="living-atlas"] .insight-metric strong {
    font-size: 42px;
  }

  :root[data-experience="living-atlas"] .insight-card {
    padding: 24px 4px;
  }

  :root[data-experience="living-atlas"] .explorer-card-head h3 {
    font-size: 34px;
  }

  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace,
  :root[data-experience="living-atlas"][data-stage-mode="focus"] .workspace.inspector-open {
    height: 100dvh;
    grid-template-rows: minmax(0, 1fr);
  }
}

@media (pointer: coarse) {
  :root[data-experience="living-atlas"] .workspace-lens,
  :root[data-experience="living-atlas"] .explorer-mode-tabs button,
  :root[data-experience="living-atlas"] .timeline-reel-nav button {
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root[data-experience="living-atlas"] .scene-arriving {
    animation: none;
  }
}