@font-face {
  font-family: "Anton";
  src: url("../assets/fonts/anton-regular.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-variable.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 100 900;
}

:root {
  --ai-yellow: #FFE333;
  --ai-ink: #111111;
  --ai-white: #FFFFFF;
  --ai-paper: #F5F3ED;
  --ai-muted: #66635B;
  --ai-line: #D8D4CB;
  --ai-display: "Anton", Impact, "Arial Narrow", sans-serif;
  --ai-body: "Inter", Arial, Helvetica, sans-serif;
  --ai-code: ui-monospace, SFMono-Regular, Consolas, monospace;
  --ai-radius: 4px;
  --ai-fast: 160ms;
  --ai-ease: cubic-bezier(.2, .8, .2, 1);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  overflow-x: hidden;
  overflow-anchor: none;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--ai-paper);
  color: var(--ai-ink);
  font-family: var(--ai-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: .45;
}

img,
svg {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--ai-yellow);
  color: var(--ai-ink);
}

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 4px;
  box-shadow: 0 0 0 6px var(--ai-yellow);
}

.skip-link {
  position: absolute;
  z-index: 50;
  top: var(--space-3);
  left: -999px;
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--ai-ink);
  border-radius: var(--ai-radius);
  background: var(--ai-yellow);
  color: var(--ai-ink);
  font-weight: 800;
}

.skip-link:focus {
  left: var(--space-4);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  display: grid;
  min-height: 100dvh;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.topbar {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: max(var(--space-4), env(safe-area-inset-top)) max(var(--space-6), env(safe-area-inset-right)) var(--space-4) max(var(--space-6), env(safe-area-inset-left));
  border-bottom: 2px solid var(--ai-yellow);
  background: var(--ai-ink);
  color: var(--ai-white);
}

.topbar__identity {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-4);
}

.wordmark {
  width: clamp(128px, 12vw, 168px);
  height: auto;
  flex: 0 0 auto;
}

.topbar__descriptor {
  padding-left: var(--space-4);
  border-left: 1px solid #545454;
  color: var(--ai-white);
  font-size: 14px;
  font-weight: 700;
}

.topbar__progress {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-align: right;
}

.topbar__coordinate,
.lesson-coordinate,
.region-coordinate,
.presenter-cue__label {
  margin: 0;
  font-family: var(--ai-code);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.5;
}

.topbar__coordinate {
  color: var(--ai-yellow);
}

.topbar__lesson {
  color: #D8D8D8;
  font-size: 14px;
}

.lesson-main {
  min-width: 0;
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  padding: clamp(var(--space-4), 2.25vw, var(--space-8));
}

.teaching-console {
  display: grid;
  min-width: 0;
  align-items: start;
  gap: var(--space-6);
}

.lesson-rail,
.map-workspace,
.detail-panel {
  min-width: 0;
}

.lesson-rail {
  border: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  color: var(--ai-white);
}

.lesson-intro {
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  border-bottom: 1px solid #454545;
}

.lesson-coordinate {
  color: var(--ai-yellow);
}

.lesson-intro h1 {
  max-width: 11ch;
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--ai-display);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 400;
  font-synthesis: none;
  letter-spacing: -.01em;
  line-height: .98;
  text-transform: uppercase;
}

.lesson-intro p:last-child {
  max-width: 55ch;
  margin: 0;
  color: #E6E6E6;
  font-size: 15px;
  line-height: 1.6;
}

.stage-nav {
  min-width: 0;
}

.stage-nav__item {
  display: grid;
  width: 100%;
  min-width: 44px;
  min-height: 56px;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 0;
  border-bottom: 1px solid #454545;
  border-radius: 0;
  background: var(--ai-ink);
  color: var(--ai-white);
  text-align: left;
  transition: background var(--ai-fast) var(--ai-ease), color var(--ai-fast) var(--ai-ease);
}

.stage-nav__item:hover {
  background: #2A2A2A;
}

.stage-nav__item[aria-current="step"] {
  background: var(--ai-yellow);
  color: var(--ai-ink);
}

.stage-nav__number {
  font-family: var(--ai-code);
  font-size: 12px;
  font-weight: 700;
}

.stage-nav__name {
  overflow-wrap: anywhere;
  font-size: 14px;
  font-weight: 800;
}

.interaction-guide {
  padding: var(--space-6);
  color: #D8D8D8;
  font-size: 14px;
}

.interaction-guide strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--ai-white);
}

.interaction-guide p {
  margin: 0;
}

.map-workspace,
.detail-panel {
  border: 1px solid var(--ai-ink);
  background: var(--ai-white);
}

.region-heading {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) clamp(var(--space-4), 2vw, var(--space-6));
  border-bottom: 1px solid var(--ai-ink);
}

.region-coordinate {
  color: var(--ai-muted);
}

.region-heading h2,
.equivalent-region h3,
.noscript-note h2,
.schedule-dialog h2 {
  margin: var(--space-1) 0 0;
  line-height: 1.2;
}

.region-heading h2 {
  font-size: clamp(20px, 2vw, 26px);
}

.region-status {
  flex: 0 0 auto;
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: 2px;
  font-family: var(--ai-code);
  font-size: 12px;
  line-height: 1.4;
}

.region-tools {
  display: flex;
  min-width: 0;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-2);
}

.map-fit-button {
  min-width: 72px;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: 2px;
  background: var(--ai-yellow);
  color: var(--ai-ink);
  font-size: 12px;
  font-weight: 800;
}

.organism-figure {
  margin: 0;
  padding: clamp(var(--space-3), 2vw, var(--space-6));
  background: var(--ai-white);
}

.organism-svg {
  width: 100%;
  height: auto;
  max-height: 66dvh;
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--ai-line);
  background: var(--ai-paper);
}

.impact-field-key {
  display: grid;
  min-width: 0;
  margin-top: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--ai-ink);
  background: var(--ai-white);
  gap: var(--space-3);
}

.impact-field-key__heading {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.impact-field-key__heading p,
.impact-field-key__heading h3,
.impact-field-key__explanation {
  margin: 0;
}

.impact-field-key__heading h3 {
  font-size: 18px;
  line-height: 1.25;
}

.impact-field-key__tiers {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  list-style: none;
}

.impact-field-key__tiers li {
  display: grid;
  min-width: 0;
  min-height: 48px;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--ai-paper);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
}

.impact-field-key__tiers b {
  margin-right: var(--space-1);
  font-family: var(--ai-code);
  font-size: 11px;
}

.impact-field-key__swatch {
  width: 14px;
  height: 14px;
  border: 2px solid var(--ai-ink);
  background: var(--ai-white);
}

.impact-field-key__swatch--transformed {
  background: var(--ai-yellow);
}

.impact-field-key__swatch--augmented {
  border-style: double;
}

.impact-field-key__swatch--assisted {
  border-style: dashed;
  background: var(--ai-paper);
}

.impact-field-key__explanation {
  padding-top: var(--space-3);
  border-top: 1px solid var(--ai-line);
  color: var(--ai-muted);
  font-size: 14px;
  line-height: 1.45;
}

.impact-field-key__explanation strong {
  color: var(--ai-ink);
}

.value-loop-disclaimer {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--ai-ink);
  border-top: 0;
  background: var(--ai-yellow);
  font-size: 13px;
  font-weight: 700;
}

.viz-frame rect,
.viz-frame line {
  fill: none;
  stroke: var(--ai-line);
  stroke-width: 1;
}

.viz-frame line {
  stroke-dasharray: 3 7;
}

.viz-frame text {
  fill: var(--ai-muted);
  font-family: var(--ai-code);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
}

.viz-guides {
  pointer-events: none;
}

.viz-impact-ring__guide {
  fill: none;
  stroke: var(--ai-muted);
  stroke-width: 1.5;
}

.viz-impact-ring[data-impact-tier="fully-transformed"] .viz-impact-ring__guide {
  stroke-width: 2.5;
}

.viz-impact-ring[data-impact-tier="significantly-augmented"] .viz-impact-ring__guide {
  stroke-dasharray: 8 4;
}

.viz-impact-ring[data-impact-tier="ai-assisted"] .viz-impact-ring__guide {
  stroke-dasharray: 2 5;
}

.viz-impact-ring__label-backdrop {
  fill: var(--ai-paper);
  stroke: var(--ai-line);
  stroke-width: 1;
}

.viz-impact-ring__label {
  fill: var(--ai-ink);
  font-family: var(--ai-code);
  font-weight: 800;
}

.viz-impact-ring__label {
  font-size: 12px;
}

.viz-root[data-viz-stage="6"] .viz-capability__mark {
  stroke-width: .75;
}

.viz-root[data-viz-stage="6"] .viz-capability[data-selected="true"] .viz-capability__mark {
  stroke-width: 4;
}

.viz-responsibilities line,
.viz-responsibility-spoke {
  pointer-events: none;
  stroke: var(--ai-ink);
  stroke-width: 1.5;
}

.viz-responsibilities rect {
  fill: var(--ai-ink);
}

.viz-responsibility-label {
  fill: var(--ai-ink);
  font-family: var(--ai-body);
  font-size: 14px;
  font-weight: 800;
}

.viz-founder rect {
  fill: var(--ai-yellow);
  stroke: var(--ai-ink);
  stroke-width: 3;
}

.viz-founder text {
  fill: var(--ai-ink);
  text-anchor: middle;
}

.viz-founder__index {
  font-family: var(--ai-code);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .03em;
}

.viz-founder__note {
  font-family: var(--ai-code);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
}

.viz-founder__label {
  font-family: var(--ai-display);
  font-size: 25px;
  letter-spacing: -.01em;
}

.viz-pillar {
  cursor: pointer;
}

.viz-capability,
.viz-founder {
  pointer-events: none;
}

.viz-capability[visibility="hidden"],
.viz-connection[visibility="hidden"] {
  pointer-events: none;
}

.viz-pillar > .viz-pillar__mark {
  fill: var(--ai-white);
  stroke: var(--ai-ink);
  stroke-width: 1.5;
}

.viz-pillar:hover > .viz-pillar__mark,
.viz-pillar[data-selected="true"] > .viz-pillar__mark,
.viz-pillar:focus-visible > .viz-pillar__mark {
  fill: var(--ai-yellow);
  stroke-width: 3;
}

.viz-pillar__focus-ring {
  visibility: hidden;
  fill: none;
  stroke: var(--ai-ink);
  stroke-width: 3;
  pointer-events: none;
}

.viz-pillar:focus-visible > .viz-pillar__focus-ring {
  visibility: visible;
}

.viz-pillar:focus-visible,
.viz-capability:focus-visible {
  outline: none;
}

.viz-pillar__index {
  fill: var(--ai-muted);
  font-family: var(--ai-code);
  font-size: 8px;
  font-weight: 700;
}

.viz-pillar__label {
  fill: var(--ai-ink);
  font-family: var(--ai-body);
  font-size: 14px;
  font-weight: 800;
  text-anchor: middle;
}

.viz-capability__mark {
  stroke: var(--ai-ink);
  stroke-width: 1.25;
}

.viz-capability[data-selected="true"] .viz-capability__mark {
  fill: var(--ai-yellow);
  stroke-width: 4;
}

.capability-focus__control[data-tier-filter-match="false"]:not([data-selected="true"]) {
  border-color: var(--ai-muted);
  background: var(--ai-paper);
}

.capability-focus__control[data-tier-filter-match="false"]:not([data-selected="true"]) .capability-focus__mark {
  opacity: .45;
}

.viz-connection {
  fill: none;
  stroke: var(--ai-ink);
  stroke-width: 1;
  opacity: .5;
}

.viz-connection-underlay {
  fill: none;
  stroke: var(--ai-ink);
  stroke-width: 10;
  opacity: 0;
  pointer-events: none;
}

.viz-connection-underlay[data-active="true"] {
  opacity: 1;
}

.viz-connection[data-relation="outgoing"] {
  stroke-dasharray: none;
  stroke-width: 4;
  opacity: 1;
}

.viz-connection[data-relation="incoming"] {
  stroke-dasharray: 8 5;
  stroke-width: 3;
  opacity: 1;
}

.viz-connection[data-relation="unrelated"] {
  stroke-dasharray: 2 6;
  opacity: .16;
}

.viz-connection--primary {
  stroke: var(--ai-ink);
  stroke-width: 3;
  opacity: 1;
}

.viz-connection--supporting {
  stroke-width: 2;
  stroke-dasharray: 7 5;
  opacity: .8;
}

.viz-connection--active {
  stroke: var(--ai-yellow);
  stroke-width: 6;
  stroke-dasharray: none;
  opacity: 1;
}

.viz-flow-signal {
  fill: var(--ai-yellow);
  stroke: var(--ai-ink);
  stroke-width: 2;
  pointer-events: none;
}

.viz-selection-label rect {
  fill: var(--ai-yellow);
  stroke: var(--ai-ink);
  stroke-width: 1.5;
}

.viz-selection-label text {
  fill: var(--ai-ink);
  font-family: var(--ai-body);
  font-size: 14px;
  font-weight: 800;
}

.viz-loop-sequence {
  display: grid;
  margin: var(--space-3) 0 0;
  padding: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  color: var(--ai-white);
  list-style: none;
}

.viz-loop-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.viz-loop-control {
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--ai-ink);
  border-radius: 2px;
  background: var(--ai-white);
  color: var(--ai-ink);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

.viz-loop-control--primary {
  background: var(--ai-yellow);
}

.viz-loop-control:hover,
.viz-loop-control:focus-visible {
  box-shadow: 3px 3px 0 var(--ai-ink);
  transform: translate(-1px, -1px);
}

.viz-loop-control:disabled {
  box-shadow: none;
  cursor: not-allowed;
  opacity: .5;
  transform: none;
}

.viz-loop-sequence li {
  display: grid;
  min-width: 0;
  min-height: 72px;
  align-content: center;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--ai-ink);
  transition: background var(--ai-fast) var(--ai-ease), color var(--ai-fast) var(--ai-ease);
}

.viz-loop-sequence li[data-active="true"] {
  background: var(--ai-yellow);
  color: var(--ai-ink);
}

.viz-loop-sequence li[data-active="true"] .viz-loop-sequence__number {
  color: var(--ai-ink);
}

.viz-loop-sequence [data-loop-sequence] {
  font-family: var(--ai-body);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.viz-loop-sequence__number {
  color: var(--ai-yellow);
  font-family: var(--ai-code);
  font-size: 11px;
  font-weight: 800;
}

.capability-focus {
  margin-top: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--ai-ink);
  background: var(--ai-paper);
}

.capability-focus__heading {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 1.5fr);
  gap: var(--space-1) var(--space-4);
  align-items: end;
  margin-bottom: var(--space-3);
}

.capability-focus__heading .region-coordinate {
  grid-column: 1 / -1;
}

.capability-focus__heading h3,
.capability-focus__heading p {
  margin: 0;
}

.capability-focus__heading h3 {
  font-size: 18px;
  line-height: 1.2;
}

.capability-focus__heading p:last-child {
  color: var(--ai-muted);
  font-size: 14px;
}

.capability-focus__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-2);
}

.capability-focus__control {
  display: grid;
  min-width: 44px;
  min-height: 58px;
  grid-template-columns: 12px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--ai-ink);
  border-radius: 0;
  background: var(--ai-white);
  color: var(--ai-ink);
  text-align: left;
}

.capability-focus__control:hover,
.capability-focus__control[data-selected="true"] {
  background: var(--ai-yellow);
  border-width: 2px;
}

.capability-focus__mark {
  width: 10px;
  height: 10px;
  border: 2px solid var(--ai-ink);
  background: var(--ai-paper);
}

.capability-focus__mark--fully-transformed {
  background: var(--ai-yellow);
}

.capability-focus__mark--significantly-augmented {
  border-style: double;
  background: var(--ai-white);
}

.capability-focus__mark--ai-assisted {
  border-style: dashed;
}

.capability-focus__copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.capability-focus__copy strong {
  font-size: 13px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.capability-focus__copy > span {
  color: var(--ai-muted);
  font-family: var(--ai-code);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
}

.capability-focus__control[data-selected="true"] .capability-focus__copy > span {
  color: var(--ai-ink);
}

.map-frame rect,
.map-frame line {
  fill: none;
  stroke: var(--ai-line);
  stroke-width: 1;
}

.map-frame line {
  stroke-dasharray: 3 7;
}

.responsibility-lines line {
  stroke: var(--ai-ink);
  stroke-width: 2;
}

.responsibility-points rect {
  fill: var(--ai-ink);
}

.founder-core rect {
  fill: var(--ai-yellow);
  stroke: var(--ai-ink);
  stroke-width: 3;
}

.founder-core text {
  fill: var(--ai-ink);
}

.founder-core__index {
  font-family: var(--ai-code);
  font-size: 13px;
  font-weight: 700;
}

.founder-core__label {
  font-family: var(--ai-display);
  font-size: 40px;
}

.founder-core__note {
  font-family: var(--ai-body);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
}

.equivalent-region {
  padding: var(--space-6);
  border-top: 1px solid var(--ai-ink);
  background: var(--ai-paper);
}

.equivalent-region__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 1.4fr);
  gap: var(--space-4);
  align-items: end;
  margin-bottom: var(--space-4);
}

.equivalent-region h3 {
  font-size: 18px;
}

.equivalent-region__heading p {
  max-width: 60ch;
  margin: 0;
  color: var(--ai-muted);
  font-size: 14px;
}

.equivalent-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  list-style: none;
  background: var(--ai-ink);
}

.equivalent-list li {
  min-width: 0;
  padding: var(--space-3);
  background: var(--ai-white);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.equivalent-list button {
  display: flex;
  width: 100%;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: 0;
  background: var(--ai-white);
  color: var(--ai-ink);
  font-size: 13px;
  font-weight: 800;
  text-align: left;
}

.equivalent-list button:hover,
.equivalent-list button[aria-pressed="true"] {
  background: var(--ai-yellow);
}

.impact-strip {
  display: grid;
  grid-template-columns: minmax(150px, 1.3fr) repeat(3, minmax(110px, 1fr));
  border-top: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  color: var(--ai-white);
}

.impact-strip__intro,
.impact-stat {
  min-width: 0;
  padding: var(--space-4);
}

.impact-strip__intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.impact-strip__intro strong {
  font-size: 14px;
}

.impact-strip__intro span {
  color: #CCCCCC;
  font-size: 12px;
}

.impact-stat {
  border-left: 1px solid #454545;
}

.impact-stat strong {
  display: block;
  color: var(--ai-yellow);
  font-family: var(--ai-code);
  font-size: 24px;
  line-height: 1.1;
}

.impact-stat span {
  display: block;
  margin-top: var(--space-1);
  color: #E1E1E1;
  font-size: 11px;
  line-height: 1.35;
}

.impact-stat--mid strong {
  color: var(--ai-white);
}

.impact-stat--light strong {
  color: #C7C7C7;
}

.detail-panel {
  align-self: start;
}

.region-heading--detail {
  align-items: center;
}

.icon-button {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: var(--ai-radius);
  background: var(--ai-white);
  color: var(--ai-ink);
  font-size: 13px;
  font-weight: 800;
}

.detail-content {
  padding: clamp(var(--space-6), 3vw, var(--space-8));
}

.detail-lead {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.inspection-steps {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: inspection;
}

.inspection-steps li {
  counter-increment: inspection;
  padding: var(--space-4) 0 var(--space-4) 40px;
  border-top: 1px solid var(--ai-line);
  color: var(--ai-muted);
  font-size: 14px;
}

.inspection-steps li::before {
  content: counter(inspection, decimal-leading-zero);
  float: left;
  width: 32px;
  margin-left: -40px;
  color: var(--ai-ink);
  font-family: var(--ai-code);
  font-size: 12px;
  font-weight: 700;
}

.inspection-steps span {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--ai-ink);
  font-weight: 800;
}

.detail-meta,
.detail-comparison {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--ai-line);
}

.detail-meta dt,
.comparison-block h3 {
  font-size: 13px;
  font-weight: 800;
}

.detail-meta dd {
  margin: var(--space-1) 0 var(--space-4);
  color: var(--ai-muted);
  font-size: 14px;
}

.dependency-context,
.capability-groups,
.project-opportunity {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--ai-line);
}

.dependency-context__summary,
.tier-group__description,
.project-opportunity p {
  color: var(--ai-muted);
  font-size: 14px;
}

.dependency-group {
  margin-top: var(--space-4);
}

.dependency-group h4,
.tier-group h4,
.project-opportunity h3 {
  margin: 0;
  font-size: 14px;
}

.dependency-group ul {
  margin: var(--space-2) 0 0;
  padding-left: 20px;
  color: var(--ai-muted);
  font-size: 13px;
}

.dependency-group li + li {
  margin-top: var(--space-2);
}

.tier-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.tier-filter {
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: 0;
  background: var(--ai-white);
  color: var(--ai-ink);
  font-size: 12px;
  font-weight: 800;
}

.tier-filter:hover,
.tier-filter[aria-pressed="true"] {
  background: var(--ai-yellow);
}

.tier-group {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--ai-line);
  background: var(--ai-paper);
}

.tier-group__description {
  margin: var(--space-2) 0 0;
}

.tier-group .detail-capabilities {
  margin-top: var(--space-3);
}

.project-opportunity {
  padding: var(--space-4);
  border: 1px solid var(--ai-ink);
  background: var(--ai-yellow);
}

.project-opportunity p {
  margin: var(--space-2) 0 0;
  color: var(--ai-ink);
}

.detail-capabilities {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.detail-capability {
  width: 100%;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: 0;
  background: var(--ai-white);
  color: var(--ai-ink);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
}

.detail-capability:hover,
.detail-capability[aria-pressed="true"] {
  background: var(--ai-yellow);
}

.comparison-block {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--ai-line);
}

.comparison-block:first-child {
  border-top: 0;
}

.comparison-block h3,
.comparison-block p {
  margin: 0;
}

.comparison-block p {
  margin-top: var(--space-2);
  color: var(--ai-muted);
  font-size: 14px;
}

.comparison-locked {
  padding: var(--space-4);
  border-left: 4px solid var(--ai-yellow);
  background: var(--ai-paper);
  font-size: 14px;
}

.capability-process {
  min-width: 0;
  padding: clamp(var(--space-5), 3vw, var(--space-6));
  border-top: 1px solid var(--ai-ink);
  background: var(--ai-white);
}

.capability-process__heading h2 {
  margin: var(--space-2) 0 0;
  font-family: var(--ai-display);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  text-transform: uppercase;
}

.capability-process-viz {
  display: block;
  width: 100%;
  height: auto;
  margin-top: var(--space-4);
  overflow: visible;
  border: 1px solid var(--ai-line);
  background: var(--ai-paper);
}

.capability-process-viz__path {
  fill: none;
  stroke: var(--ai-ink);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.capability-process-viz__node rect {
  fill: var(--ai-white);
  stroke: var(--ai-ink);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.capability-process-viz__node[data-process-step="human"] rect {
  fill: var(--ai-yellow);
}

.capability-process-viz__node[data-process-step="ai-first"] rect {
  fill: var(--ai-ink);
}

.capability-process-viz__node text {
  fill: var(--ai-ink);
  font-family: var(--ai-body);
  font-size: 15px;
  font-weight: 800;
}

.capability-process-viz__node[data-process-step="ai-first"] text {
  fill: var(--ai-white);
}

.capability-process-list {
  display: grid;
  gap: 1px;
  margin: var(--space-4) 0 0;
  padding: 1px;
  list-style: none;
  counter-reset: capability-process;
  background: var(--ai-ink);
}

.capability-process-list li {
  position: relative;
  min-width: 0;
  padding: var(--space-4) var(--space-4) var(--space-4) 52px;
  counter-increment: capability-process;
  background: var(--ai-white);
}

.capability-process-list li::before {
  content: counter(capability-process, decimal-leading-zero);
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-family: var(--ai-code);
  font-size: 12px;
  font-weight: 800;
}

.capability-process-list h3,
.capability-process-list p {
  margin: 0;
}

.capability-process-list h3 {
  font-size: 14px;
}

.capability-process-list p {
  margin-top: var(--space-2);
  color: var(--ai-muted);
  font-size: 14px;
  line-height: 1.5;
}

.accountability-note {
  margin: 0;
  padding: var(--space-4) clamp(var(--space-6), 3vw, var(--space-8));
  border-top: 1px solid var(--ai-ink);
  background: var(--ai-yellow);
  font-size: 13px;
  font-weight: 800;
}

.closing-action {
  padding: var(--space-6);
  border-top: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  color: var(--ai-white);
}

.closing-action p {
  margin: 0 0 var(--space-3);
  font-weight: 700;
}

.closing-action__actions {
  display: grid;
  gap: var(--space-2);
}

.primary-action,
.secondary-action,
.control-button {
  display: inline-flex;
  min-width: 44px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--ai-ink);
  border-radius: var(--ai-radius);
  background: var(--ai-white);
  color: var(--ai-ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
  transition: background var(--ai-fast) var(--ai-ease), transform var(--ai-fast) var(--ai-ease);
}

.primary-action {
  width: 100%;
  border-color: var(--ai-yellow);
  background: var(--ai-yellow);
}

.secondary-action {
  width: 100%;
  border-color: var(--ai-white);
  background: transparent;
  color: var(--ai-white);
}

.secondary-action:hover {
  background: var(--ai-white);
  color: var(--ai-ink);
}

.primary-action:hover,
.control-button--primary:hover {
  background: #F1D200;
}

.primary-action:active,
.control-button:active {
  transform: translateY(1px);
}

.presenter-cue {
  display: grid;
  grid-template-columns: minmax(120px, .28fr) minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-6);
  border: 1px solid var(--ai-ink);
  background: var(--ai-yellow);
}

.presenter-cue__label {
  align-self: start;
}

.presenter-cue__text {
  max-width: 75ch;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}

.noscript-note {
  margin-top: var(--space-6);
  padding: var(--space-6);
  border: 1px solid var(--ai-ink);
  background: var(--ai-white);
}

.noscript-note p {
  max-width: 65ch;
  margin-bottom: 0;
}

.lesson-controls {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-3) max(var(--space-6), env(safe-area-inset-right)) max(var(--space-3), env(safe-area-inset-bottom)) max(var(--space-6), env(safe-area-inset-left));
  border-top: 2px solid var(--ai-yellow);
  background: var(--ai-ink);
  color: var(--ai-white);
}

.lesson-controls__status {
  margin: 0;
  font-family: var(--ai-code);
  font-size: 12px;
}

.lesson-controls__actions {
  display: flex;
  min-width: 0;
  gap: var(--space-2);
}

.control-button {
  border-color: #777777;
  background: var(--ai-ink);
  color: var(--ai-white);
}

.control-button:hover {
  background: #303030;
}

.control-button--primary {
  border-color: var(--ai-yellow);
  background: var(--ai-yellow);
  color: var(--ai-ink);
}

.control-button--quiet {
  border-color: #454545;
  color: #D8D8D8;
}

.schedule-dialog {
  box-sizing: border-box;
  width: min(1040px, calc(100% - 32px));
  max-width: calc(100% - 32px);
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 2px solid var(--ai-ink);
  border-radius: 0;
  background: var(--ai-white);
  color: var(--ai-ink);
}

.schedule-dialog::backdrop {
  background: rgba(17, 17, 17, .76);
}

.schedule-dialog__surface {
  display: grid;
  min-height: min(720px, calc(100dvh - 36px));
  grid-template-rows: auto auto minmax(320px, 1fr) auto;
  overflow: auto;
}

.schedule-dialog__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-6);
  border-bottom: 1px solid var(--ai-ink);
}

.schedule-dialog__header h2 {
  max-width: 20ch;
}

.schedule-dialog__header p:not(.region-coordinate) {
  max-width: 55ch;
  margin: var(--space-2) 0 0;
}

.schedule-dialog__close {
  display: inline-flex;
  min-width: 64px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--ai-ink);
  border-radius: 0;
  background: var(--ai-white);
  color: var(--ai-ink);
  font-weight: 800;
}

.schedule-dialog__close:hover {
  background: var(--ai-yellow);
}

.schedule-dialog__status-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--ai-ink);
  background: var(--ai-yellow);
}

.schedule-dialog__status {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
}

.schedule-dialog__frame-shell {
  min-width: 0;
  padding: var(--space-2);
  background: var(--ai-paper);
}

.schedule-dialog__frame {
  display: block;
  width: 100%;
  height: min(600px, calc(100dvh - 290px));
  min-height: 360px;
  border: 1px solid var(--ai-line);
  background: var(--ai-white);
}

.schedule-dialog__frame[hidden] {
  display: none;
}

.schedule-dialog__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  color: var(--ai-white);
}

.schedule-dialog__fallback {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--ai-ink);
  background: var(--ai-ink);
  color: var(--ai-white);
  font-weight: 800;
  text-align: center;
}

.schedule-dialog__footer p {
  max-width: 62ch;
  margin: 0;
  color: #D8D8D8;
  font-size: 12px;
}

.schedule-dialog__footer p a {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  color: var(--ai-white);
  vertical-align: middle;
}

@media (max-width: 767px) {
  .topbar {
    align-items: flex-start;
    gap: var(--space-3);
    padding-right: max(var(--space-4), env(safe-area-inset-right));
    padding-left: max(var(--space-4), env(safe-area-inset-left));
  }

  .topbar__descriptor,
  .topbar__lesson {
    display: none;
  }

  .wordmark {
    width: 126px;
  }

  .topbar__progress {
    padding-top: var(--space-1);
  }

  .lesson-main {
    padding: var(--space-4);
  }

  .teaching-console {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .lesson-intro {
    padding: var(--space-6);
  }

  .lesson-intro h1 {
    font-size: clamp(42px, 15vw, 58px);
  }

  .stage-nav {
    display: flex;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .stage-nav__item {
    width: 116px;
    min-width: 116px;
    grid-template-columns: 1fr;
    gap: 0;
    border-right: 1px solid #454545;
  }

  .interaction-guide {
    padding: var(--space-4) var(--space-6);
  }

  .region-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .region-heading--detail {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .region-status {
    justify-self: start;
  }

  .region-tools {
    display: grid;
    min-width: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    justify-content: stretch;
  }

  .region-tools .region-status {
    min-width: 0;
    width: 100%;
    overflow-wrap: anywhere;
  }

  .organism-figure {
    padding: var(--space-3);
  }

  .impact-field-key {
    padding: var(--space-3);
  }

  .impact-field-key__heading {
    display: grid;
    gap: var(--space-1);
  }

  .impact-field-key__tiers {
    grid-template-columns: minmax(0, 1fr);
  }

  .viz-loop-sequence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .viz-loop-sequence li:last-child {
    grid-column: 1 / -1;
  }

  .capability-focus {
    padding: var(--space-3);
  }

  .capability-focus__heading {
    grid-template-columns: minmax(0, 1fr);
  }

  .capability-focus__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-process {
    padding: var(--space-4);
  }

  .equivalent-region {
    padding: var(--space-4);
  }

  .equivalent-region__heading,
  .equivalent-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .impact-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .impact-strip__intro {
    grid-column: 1 / -1;
    border-bottom: 1px solid #454545;
  }

  .impact-stat:nth-child(3) {
    border-left: 0;
    border-top: 1px solid #454545;
  }

  .impact-stat:nth-child(4) {
    border-top: 1px solid #454545;
  }

  .presenter-cue {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-4);
  }

  .lesson-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    padding-right: max(var(--space-4), env(safe-area-inset-right));
    padding-left: max(var(--space-4), env(safe-area-inset-left));
  }

  .lesson-controls__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-button {
    width: 100%;
  }

  .schedule-dialog {
    width: calc(100% - 16px);
    max-width: calc(100% - 16px);
    max-height: calc(100dvh - 16px);
  }

  .schedule-dialog__surface {
    min-height: calc(100dvh - 20px);
  }

  .schedule-dialog__header {
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .schedule-dialog__header h2 {
    font-size: clamp(28px, 9vw, 38px);
  }

  .schedule-dialog__status-bar {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
  }

  .schedule-dialog__frame-shell {
    padding: var(--space-2);
  }

  .schedule-dialog__frame {
    height: min(430px, calc(100dvh - 330px));
    min-height: 320px;
  }

  .schedule-dialog__footer {
    padding: var(--space-3) var(--space-4);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .teaching-console {
    grid-template-columns: minmax(0, 1fr);
  }

  .lesson-rail {
    display: grid;
    grid-template-columns: minmax(240px, .8fr) minmax(0, 1.6fr);
  }

  .lesson-intro {
    border-right: 1px solid #454545;
    border-bottom: 0;
  }

  .stage-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .stage-nav__item {
    border-right: 1px solid #454545;
  }

  .interaction-guide {
    grid-column: 1 / -1;
    border-top: 1px solid #454545;
  }

  .equivalent-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) and (max-width: 1199px) {
  .teaching-console {
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, .9fr);
  }

  .lesson-rail {
    grid-column: 1 / -1;
  }

  .map-workspace {
    grid-column: 1;
  }

  .detail-panel {
    grid-column: 2;
  }
}

@media (min-width: 1200px) {
  .teaching-console {
    grid-template-columns: minmax(220px, .72fr) minmax(460px, 1.85fr) minmax(300px, .95fr);
  }

  .detail-panel {
    position: sticky;
    top: var(--space-4);
    max-height: calc(100dvh - 128px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
  }

  .detail-panel .closing-action:not([hidden]) {
    position: sticky;
    z-index: 2;
    bottom: 0;
  }

  .lesson-intro h1 {
    font-size: clamp(46px, 4.2vw, 68px);
  }

  .equivalent-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

/* Explicit CSS zoom does not change media-query width in Chromium. Mirror the
   reflow layout so 200% author/user zoom cannot strand a desktop column. */
html.ai-css-zoom-reflow .teaching-console {
  grid-template-columns: minmax(0, 1fr);
}

html.ai-css-zoom-reflow .map-workspace,
html.ai-css-zoom-reflow .detail-panel {
  grid-column: auto;
}

html.ai-css-zoom-reflow .detail-panel {
  position: static;
  max-height: none;
  overflow: visible;
  scrollbar-gutter: auto;
}

html.ai-css-zoom-reflow .region-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

html.ai-css-zoom-reflow .region-heading--detail {
  grid-template-columns: minmax(0, 1fr) auto;
}

html.ai-css-zoom-reflow .region-tools {
  display: grid;
  min-width: 0;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  justify-content: stretch;
}

html.ai-css-zoom-reflow .region-tools .region-status {
  min-width: 0;
  width: 100%;
  overflow-wrap: anywhere;
}

html.ai-css-zoom-reflow .lesson-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

html.ai-css-zoom-reflow .lesson-controls__actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

html.ai-css-zoom-reflow .control-button {
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}