:root {
  --le-ink: #061426;
  --le-ink-raised: #0d2035;
  --le-ink-soft: #12283f;
  --le-paper: #f3f0e8;
  --le-paper-strong: #fbfaf6;
  --le-paper-line: #d8d2c6;
  --le-signal: #d7fb32;
  --le-signal-deep: #a7c900;
  --le-coral: #f05a40;
  --le-text: #0a111b;
  --le-text-on-ink: #f4f1e8;
  --le-muted-on-ink: #aeb9c7;
  --le-rule-on-ink: #314157;
  --le-success: #b7d900;
  --le-warning: #f2b91c;
  --le-danger: #ef583f;
  --le-edge-width: 108px;
  --le-header-height: 74px;
  --le-display: "Space Grotesk", "Arial Black", sans-serif;
  --le-body: "IBM Plex Sans", Arial, sans-serif;
  --le-mono: "IBM Plex Mono", Consolas, monospace;
  --le-focus: 0 0 0 3px rgba(215, 251, 50, 0.34);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--le-ink);
  color: var(--le-text-on-ink);
  font-family: var(--le-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: inherit;
}

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

button {
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--le-signal);
  outline-offset: 4px;
}

.le-visually-hidden {
  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;
}

.le-skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 50%;
  transform: translate(-50%, -200%);
  padding: 10px 16px;
  background: var(--le-signal);
  color: var(--le-text);
  font: 600 0.86rem/1 var(--le-mono);
  text-decoration: none;
}

.le-skip-link:focus {
  transform: translate(-50%, 0);
}

.le-edge-rail {
  position: fixed;
  z-index: 60;
  inset: 0 auto 0 0;
  width: var(--le-edge-width);
  display: grid;
  grid-template-rows: var(--le-header-height) 92px minmax(140px, 1fr) auto 74px;
  justify-items: center;
  border-right: 1px solid var(--le-rule-on-ink);
  background: var(--le-ink);
}

.le-edge-mark {
  width: 100%;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--le-rule-on-ink);
  color: var(--le-signal);
  font: 700 1rem/1 var(--le-mono);
  letter-spacing: 0.08em;
  text-decoration: none;
}

.le-edge-path {
  grid-row: 2 / 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 94px;
}

.le-edge-node {
  width: 16px;
  height: 16px;
  border: 2px solid var(--le-signal);
  border-radius: 50%;
  background: var(--le-ink);
}

.le-edge-node.is-active {
  box-shadow: inset 0 0 0 4px var(--le-ink);
  background: var(--le-signal);
}

.le-edge-line {
  flex: 1;
  width: 1px;
  min-height: 180px;
  margin-top: 10px;
  background: repeating-linear-gradient(to bottom, var(--le-muted-on-ink) 0 4px, transparent 4px 8px);
}

.le-edge-progress {
  grid-row: 4;
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 16px 6px;
  color: var(--le-text-on-ink);
}

.le-edge-progress strong {
  color: var(--le-signal);
  font: 500 1.35rem/1 var(--le-mono);
}

.le-edge-progress span {
  max-width: 80px;
  color: var(--le-muted-on-ink);
  font-size: 0.7rem;
  text-align: center;
}

.le-edge-collapse {
  grid-row: 5;
  width: 100%;
  display: grid;
  place-items: center;
  border-top: 1px solid var(--le-rule-on-ink);
  color: var(--le-text-on-ink);
  font: 400 1.3rem/1 var(--le-mono);
  text-decoration: none;
  transform: rotate(180deg);
}

.le-app-shell {
  min-height: 100vh;
  margin-left: var(--le-edge-width);
}

.le-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: var(--le-header-height);
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(72px, 0.35fr);
  align-items: center;
  gap: 28px;
  padding: 0 clamp(24px, 4vw, 54px);
  border-bottom: 1px solid var(--le-rule-on-ink);
  background: rgba(6, 20, 38, 0.96);
  backdrop-filter: blur(18px);
}

.le-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--le-text-on-ink);
  font: 600 1.05rem/1 var(--le-display);
  letter-spacing: 0.08em;
  text-decoration: none;
}

.le-brand span {
  color: var(--le-signal);
}

.le-brand i {
  font-style: normal;
}

.le-nav {
  height: 100%;
  display: flex;
  align-items: stretch;
  gap: clamp(20px, 3vw, 44px);
}

.le-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--le-text-on-ink);
  font: 400 0.88rem/1 var(--le-mono);
  text-decoration: none;
  transition: color 160ms ease;
}

.le-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--le-signal);
  content: "";
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.le-nav a:hover,
.le-nav a.is-active {
  color: var(--le-signal);
}

.le-nav a.is-active::after {
  transform: scaleX(1);
}

.le-nav svg {
  width: 20px;
  height: 20px;
}

.le-profile-link {
  justify-self: end;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--le-text-on-ink);
  border-radius: 50%;
  color: var(--le-text-on-ink);
  text-decoration: none;
}

.le-profile-link svg {
  width: 22px;
  height: 22px;
}

.le-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px 8px;
  background: transparent;
  cursor: pointer;
}

.le-menu-button > span:not(.le-visually-hidden) {
  display: block;
  height: 1px;
  margin: 5px 0;
  background: var(--le-text-on-ink);
}

.le-main {
  min-height: calc(100vh - var(--le-header-height));
  background: var(--le-ink);
}

.le-loading {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--le-muted-on-ink);
  font: 0.9rem/1.4 var(--le-mono);
}

.le-loading-cursor {
  width: 10px;
  height: 20px;
  background: var(--le-signal);
  animation: le-blink 800ms step-end infinite;
}

@keyframes le-blink {
  50% { opacity: 0; }
}

.le-kbd-label,
.le-section-number,
.le-meta-label {
  margin: 0;
  font: 500 0.74rem/1.3 var(--le-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.le-home-hero {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(420px, 0.8fr);
}

.le-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(56px, 7vw, 104px) clamp(36px, 5vw, 76px);
}

.le-hero-copy h1 {
  max-width: 820px;
  margin: 0;
  color: var(--le-text-on-ink);
  font: 700 clamp(3.6rem, 5vw, 4.85rem)/0.98 var(--le-display);
  letter-spacing: -0.055em;
}

.le-hero-copy h1 span {
  display: block;
  white-space: nowrap;
}

.le-hero-copy > p {
  max-width: 700px;
  margin: 30px 0 0;
  color: var(--le-text-on-ink);
  font-size: clamp(1.06rem, 1.4vw, 1.3rem);
  line-height: 1.65;
}

.le-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 36px;
}

.le-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 14px 26px;
  border: 1px solid var(--le-text-on-ink);
  border-radius: 7px;
  background: transparent;
  color: var(--le-text-on-ink);
  font: 500 0.94rem/1 var(--le-mono);
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.le-button:hover {
  transform: translateY(-2px);
}

.le-button.is-primary {
  border-color: var(--le-signal);
  background: var(--le-signal);
  color: var(--le-text);
}

.le-button.is-quiet {
  min-height: 42px;
  padding: 10px 16px;
  border-color: var(--le-rule-on-ink);
  font-size: 0.8rem;
}

.le-button.is-paper {
  border-color: var(--le-text);
  color: var(--le-text);
}

.le-button[disabled] {
  cursor: not-allowed;
  opacity: 0.46;
  transform: none;
}

.le-proof-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px dashed var(--le-rule-on-ink);
  color: var(--le-text-on-ink);
  font: 400 0.78rem/1.5 var(--le-mono);
}

.le-proof-line span {
  border-bottom: 1px dotted var(--le-signal);
}

.le-proof-line sup,
.le-source-marker {
  color: var(--le-coral);
  font: 500 0.68rem/1 var(--le-mono);
}

.le-path-preview {
  padding: clamp(34px, 4vw, 54px) clamp(30px, 4vw, 58px);
  border-left: 1px solid var(--le-rule-on-ink);
  background: linear-gradient(150deg, rgba(13, 32, 53, 0.38), rgba(6, 20, 38, 0));
}

.le-preview-progress {
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--le-rule-on-ink);
}

.le-preview-progress .le-kbd-label,
.le-next-label {
  color: var(--le-signal);
}

.le-preview-progress strong {
  display: block;
  margin-top: 12px;
  color: var(--le-text-on-ink);
  font: 400 2rem/1 var(--le-mono);
}

.le-next-label {
  margin: 24px 0 14px;
  font: 500 0.78rem/1 var(--le-mono);
}

.le-next-card {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--le-signal);
  border-radius: 7px;
  color: var(--le-text-on-ink);
  text-decoration: none;
}

.le-next-card:hover {
  background: rgba(215, 251, 50, 0.06);
}

.le-next-card > span:first-child {
  width: 18px;
  height: 18px;
  border: 2px solid var(--le-signal);
  border-radius: 50%;
}

.le-next-card strong,
.le-next-card small {
  display: block;
}

.le-next-card strong {
  color: var(--le-signal);
  font: 500 0.86rem/1.4 var(--le-mono);
}

.le-next-card small {
  margin-top: 5px;
  color: var(--le-text-on-ink);
  font-size: 0.88rem;
}

.le-preview-list {
  position: relative;
  display: grid;
  margin: 18px 0 0 28px;
}

.le-preview-list::before {
  position: absolute;
  top: 0;
  bottom: 12px;
  left: 0;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--le-muted-on-ink) 0 5px, transparent 5px 9px);
  content: "";
}

.le-preview-step {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  margin-left: 34px;
  padding: 13px 4px;
  border-bottom: 1px solid rgba(49, 65, 87, 0.62);
  color: var(--le-text-on-ink);
  font: 400 0.83rem/1.4 var(--le-mono);
  text-decoration: none;
}

.le-preview-step::before {
  position: absolute;
  top: 50%;
  left: -43px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--le-paper);
  border-radius: 50%;
  background: var(--le-ink);
  content: "";
  transform: translateY(-50%);
}

.le-preview-step.is-current {
  margin-top: 2px;
  border-radius: 6px;
  background: var(--le-ink-raised);
  color: var(--le-signal);
}

.le-preview-step.is-current::before {
  border-color: var(--le-signal);
  box-shadow: inset 0 0 0 4px var(--le-ink), 0 0 0 5px rgba(215, 251, 50, 0.58);
  background: var(--le-signal);
}

.le-preview-step.is-complete::before {
  border-color: var(--le-signal);
  background: var(--le-signal);
}

.le-competency-map {
  position: relative;
  min-height: 360px;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  background-color: var(--le-paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 23px, rgba(77, 91, 105, 0.1) 23px 24px);
  color: var(--le-text);
}

.le-paper-note {
  padding: 54px 28px;
  border-right: 1px solid rgba(240, 90, 64, 0.55);
  color: #2d4964;
  font: italic 0.86rem/1.65 var(--le-mono);
}

.le-paper-note strong {
  display: block;
  margin-bottom: 10px;
  color: var(--le-coral);
  font-style: normal;
}

.le-map-content {
  padding: 46px clamp(32px, 5vw, 76px) 64px;
}

.le-map-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 22px;
  align-items: start;
}

.le-map-heading .le-section-number {
  color: var(--le-coral);
  font-size: 0.95rem;
}

.le-map-heading h2 {
  margin: -5px 0 8px;
  font: 600 clamp(1.8rem, 2.5vw, 2.7rem)/1.08 var(--le-display);
  letter-spacing: -0.03em;
}

.le-map-heading p {
  max-width: 720px;
  margin: 0;
  color: #405064;
  font: 0.8rem/1.55 var(--le-mono);
}

.le-map-legend {
  display: flex;
  gap: 18px;
  color: #526174;
  font: 0.67rem/1.4 var(--le-mono);
}

.le-map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.le-map-legend i {
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--le-signal-deep);
  border-radius: 50%;
}

.le-map-legend .is-finish i {
  border-radius: 0;
  border-color: var(--le-coral);
}

.le-map-flow {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr 1.1fr 1fr 1.1fr;
  align-items: center;
  gap: 24px;
  margin-top: 46px;
}

.le-map-cluster {
  display: grid;
  gap: 24px;
}

.le-map-node {
  position: relative;
  min-height: 66px;
  display: grid;
  place-items: center;
  padding: 13px 12px;
  border: 1px solid #233b56;
  border-radius: 7px;
  background: rgba(251, 250, 246, 0.62);
  color: #263f59;
  font: 0.72rem/1.4 var(--le-mono);
  text-align: center;
}

.le-map-node::after {
  position: absolute;
  top: 50%;
  left: 100%;
  width: 25px;
  height: 1px;
  background: #31506f;
  content: "";
}

.le-map-node.is-focus {
  border-color: var(--le-signal-deep);
}

.le-map-node.is-finish {
  border-color: var(--le-coral);
}

.le-map-flow > :last-child::after,
.le-map-cluster:last-child .le-map-node::after {
  display: none;
}

.le-path-page {
  padding: clamp(42px, 5vw, 72px) clamp(28px, 5vw, 78px) 80px;
}

.le-page-intro h1,
.le-glossary-intro h1,
.le-sources-head h1,
.le-capstone-head h1 {
  margin: 0;
  font: 700 clamp(2.8rem, 5vw, 4.8rem)/1 var(--le-display);
  letter-spacing: -0.055em;
}

.le-page-intro > p,
.le-sources-head > p,
.le-capstone-head > p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--le-text-on-ink);
  font-size: 1.15rem;
}

.le-stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  border: 1px solid var(--le-rule-on-ink);
  border-radius: 7px;
}

.le-stat-item {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  color: var(--le-text-on-ink);
  font: 400 0.88rem/1.4 var(--le-mono);
}

.le-stat-item + .le-stat-item {
  border-left: 1px solid var(--le-rule-on-ink);
}

.le-stat-item svg {
  width: 22px;
  height: 22px;
  color: var(--le-coral);
}

.le-path-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 30px 0 22px;
}

.le-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.le-filter-button {
  padding: 11px 18px;
  border-right: 1px solid var(--le-rule-on-ink);
  background: transparent;
  color: var(--le-text-on-ink);
  font: 400 0.78rem/1 var(--le-mono);
  cursor: pointer;
}

.le-filter-button.is-active {
  border-radius: 5px;
  background: var(--le-signal);
  color: var(--le-text);
}

.le-status-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  color: var(--le-muted-on-ink);
  font: 0.67rem/1.4 var(--le-mono);
}

.le-status-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.le-status-dot {
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--le-paper);
  border-radius: 50%;
}

.le-status-dot.is-current {
  border-style: dashed;
  border-color: var(--le-signal);
}

.le-status-dot.is-complete {
  border-color: var(--le-signal);
  background: var(--le-signal);
}

.le-path-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 44px;
}

.le-timeline {
  position: relative;
  margin-left: 10px;
}

.le-timeline::before {
  position: absolute;
  top: 14px;
  bottom: 24px;
  left: 14px;
  width: 1px;
  background: var(--le-muted-on-ink);
  content: "";
}

.le-stage {
  position: relative;
  margin-left: 28px;
  border-bottom: 1px solid var(--le-rule-on-ink);
}

.le-stage::before {
  position: absolute;
  top: 20px;
  left: -29px;
  width: 29px;
  height: 29px;
  border: 1.5px solid var(--le-paper);
  border-radius: 50%;
  background: var(--le-ink);
  content: "";
  transform: translateX(-50%);
}

.le-stage.is-current::before {
  border: 6px solid var(--le-ink);
  background: var(--le-signal);
  box-shadow: 0 0 0 2px var(--le-signal);
}

.le-stage.is-complete::before {
  border-color: var(--le-signal);
  background: var(--le-signal);
}

.le-stage-head {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 20px 18px 20px 34px;
  background: transparent;
  color: var(--le-text-on-ink);
  text-align: left;
  cursor: pointer;
}

.le-stage-head strong {
  display: block;
  font: 500 1rem/1.4 var(--le-mono);
}

.le-stage-head small {
  display: block;
  margin-top: 6px;
  color: var(--le-muted-on-ink);
  font-size: 0.83rem;
}

.le-stage.is-current .le-stage-head strong,
.le-stage.is-open .le-stage-head strong {
  color: var(--le-signal);
}

.le-stage-chevron {
  align-self: center;
  transition: transform 160ms ease;
}

.le-stage.is-open .le-stage-chevron {
  transform: rotate(180deg);
}

.le-stage-body {
  display: none;
  margin-bottom: 18px;
  border: 1px solid var(--le-signal);
  border-radius: 7px;
  overflow: hidden;
}

.le-stage.is-open .le-stage-body {
  display: block;
}

.le-module-row {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) 86px minmax(150px, 0.9fr) 148px;
  gap: 20px;
  align-items: center;
  padding: 20px 24px;
  color: var(--le-text-on-ink);
}

.le-module-row + .le-module-row {
  border-top: 1px solid var(--le-rule-on-ink);
}

.le-module-row h3 {
  margin: 0;
  font: 500 0.88rem/1.4 var(--le-mono);
}

.le-module-row h3 span {
  margin-right: 12px;
  color: var(--le-signal);
}

.le-module-row p {
  margin: 7px 0 0 40px;
  color: var(--le-muted-on-ink);
  font-size: 0.8rem;
}

.le-module-row time,
.le-module-artifact {
  color: var(--le-muted-on-ink);
  font: 0.73rem/1.45 var(--le-mono);
}

.le-module-artifact {
  color: var(--le-signal);
}

.le-module-row .le-button {
  min-height: 44px;
  padding: 10px 14px;
  font-size: 0.75rem;
}

.le-path-paper {
  align-self: start;
  min-height: 620px;
  padding: 42px 26px 32px 42px;
  border-left: 1px solid rgba(240, 90, 64, 0.54);
  background-color: var(--le-paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 23px, rgba(77, 91, 105, 0.1) 23px 24px);
  color: #26415e;
}

.le-path-paper section + section {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px dashed #9ba6b1;
}

.le-path-paper h2 {
  margin: 0 0 18px;
  color: #2c4b69;
  font: 500 0.76rem/1.3 var(--le-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.le-prereq-list,
.le-artifact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.le-prereq-list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  font: 0.72rem/1.45 var(--le-mono);
}

.le-prereq-list li::before {
  width: 10px;
  height: 10px;
  margin-top: 3px;
  border: 1px solid #496582;
  border-radius: 50%;
  content: "";
}

.le-artifact-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  font: 0.72rem/1.45 var(--le-mono);
}

.le-artifact-list span {
  color: var(--le-coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.le-path-note {
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px dashed #9ba6b1;
  font: 0.72rem/1.6 var(--le-mono);
}

.le-module-workbench {
  min-height: calc(100vh - var(--le-header-height));
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 340px;
}

.le-lesson-rail,
.le-evidence-rail {
  background: var(--le-ink);
}

.le-lesson-rail {
  padding: 30px 18px 40px 30px;
  border-right: 1px solid var(--le-rule-on-ink);
}

.le-lesson-stage {
  color: var(--le-signal);
  font: 500 0.8rem/1.5 var(--le-mono);
}

.le-lesson-count {
  margin-top: 28px;
  color: var(--le-text-on-ink);
  font: 400 0.8rem/1.4 var(--le-mono);
}

.le-module-percent {
  margin-top: 8px;
  color: var(--le-text-on-ink);
  font: 400 1.4rem/1 var(--le-mono);
}

.le-mini-progress {
  width: 100%;
  height: 2px;
  margin-top: 14px;
  background: var(--le-rule-on-ink);
}

.le-mini-progress span {
  display: block;
  height: 100%;
  background: var(--le-signal);
  transition: width 420ms ease;
}

.le-lesson-nav {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.le-lesson-nav::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 9px;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--le-muted-on-ink) 0 4px, transparent 4px 8px);
  content: "";
}

.le-lesson-step {
  position: relative;
  min-height: 62px;
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 14px 10px 14px 0;
  border-radius: 5px;
  color: var(--le-text-on-ink);
  font: 400 0.76rem/1.6 var(--le-mono);
  text-decoration: none;
}

.le-lesson-step::before {
  z-index: 1;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--le-paper);
  border-radius: 50%;
  background: var(--le-ink);
  content: "";
}

.le-lesson-step.is-active {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(215, 251, 50, 0.13), rgba(215, 251, 50, 0.04));
  color: var(--le-signal);
}

.le-lesson-step.is-active::before,
.le-lesson-step.is-done::before {
  border-color: var(--le-signal);
  background: var(--le-signal);
  box-shadow: inset 0 0 0 4px var(--le-ink);
}

.le-reader {
  position: relative;
  min-width: 0;
  background-color: var(--le-paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 25px, rgba(77, 91, 105, 0.08) 25px 26px);
  color: var(--le-text);
}

.le-reader::before {
  position: absolute;
  inset: 0 auto 0 150px;
  width: 1px;
  background: rgba(240, 90, 64, 0.48);
  content: "";
  pointer-events: none;
}

.le-reader-inner {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 52px 36px 190px;
}

.le-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #273c53;
  font: 0.74rem/1.5 var(--le-mono);
}

.le-breadcrumb span:first-child,
.le-breadcrumb span:last-child {
  color: var(--le-coral);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.le-reader h1 {
  margin: 30px 0 28px;
  padding-bottom: 28px;
  border-bottom: 1px dashed #9aa5af;
  font: 700 clamp(2.5rem, 4.3vw, 4.4rem)/1.02 var(--le-display);
  letter-spacing: -0.05em;
}

.le-reader-copy {
  margin-top: 30px;
}

.le-reader-copy p {
  margin: 0 0 22px;
  font-size: clamp(1.02rem, 1.3vw, 1.2rem);
  line-height: 1.62;
}

.le-zero-start {
  margin: 30px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--le-signal-deep);
  background: rgba(215, 251, 50, 0.11);
}

.le-zero-start span,
.le-zero-start strong,
.le-mental-model span,
.le-remember strong {
  display: block;
  font: 600 0.7rem/1.4 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-zero-start span {
  margin-bottom: 15px;
  color: #50667c;
}

.le-zero-start strong {
  color: var(--le-text);
}

.le-zero-start p,
.le-mental-model p {
  margin: 8px 0 0;
  font-size: 1rem;
  line-height: 1.62;
}

.le-mental-model {
  margin: 34px 0;
  padding: 24px 26px;
  border: 1px dashed #738393;
  background: rgba(255, 255, 255, 0.38);
}

.le-mental-model span {
  color: var(--le-coral);
}

.le-walkthrough,
.le-example-block,
.le-pitfalls {
  margin: 34px 0;
}

.le-walkthrough h2,
.le-example-block h2,
.le-pitfalls h2 {
  margin: 0 0 18px;
  color: #314b65;
  font: 600 0.74rem/1.4 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-walkthrough ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.le-walkthrough li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid rgba(80, 102, 124, 0.28);
}

.le-walkthrough li > span {
  color: var(--le-coral);
  font: 600 0.74rem/1.6 var(--le-mono);
}

.le-walkthrough li p,
.le-example-block > p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.62;
}

.le-example-block {
  border: 1px solid #aeb7bd;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.48);
}

.le-example-block h2,
.le-example-block > p {
  padding-inline: 20px;
}

.le-example-block h2 {
  margin: 0;
  padding-block: 13px;
  border-bottom: 1px solid #b9c0c4;
}

.le-example-block > p {
  padding-block: 18px;
}

.le-example-block pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  border-top: 1px solid #b9c0c4;
  background: rgba(6, 20, 38, 0.04);
  font: 0.78rem/1.65 var(--le-mono);
  white-space: pre-wrap;
}

.le-pitfalls ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.le-pitfalls li {
  position: relative;
  padding: 13px 16px 13px 38px;
  border-left: 2px solid var(--le-coral);
  background: rgba(240, 90, 64, 0.07);
  line-height: 1.55;
}

.le-pitfalls li::before {
  position: absolute;
  left: 16px;
  color: var(--le-coral);
  content: "×";
}

.le-remember {
  margin: 36px 0;
  padding: 22px 24px;
  border-block: 1px solid var(--le-signal-deep);
  color: var(--le-text);
  font-size: 1.08rem;
  line-height: 1.62;
}

.le-remember strong {
  margin-bottom: 8px;
  color: var(--le-signal-deep);
}

.le-self-check {
  margin: 32px 0;
  border: 1px solid #8795a1;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.45);
}

.le-self-check summary {
  padding: 17px 20px;
  font: 600 0.83rem/1.5 var(--le-mono);
  cursor: pointer;
}

.le-self-check p {
  margin: 0;
  padding: 0 20px 20px;
  line-height: 1.6;
}

.le-term-link {
  display: inline;
  padding: 0;
  border-bottom: 1px dashed var(--le-coral);
  background: transparent;
  color: var(--le-coral);
  cursor: pointer;
}

.le-term-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 34px 0;
  padding: 18px 0;
  border-block: 1px dashed #9aa5af;
}

.le-term-strip::before {
  width: 100%;
  color: #34516d;
  font: 500 0.7rem/1 var(--le-mono);
  letter-spacing: 0.08em;
  content: "BEGRIFFE IN DIESEM MODUL";
}

.le-code-example {
  margin: 30px 0;
  border: 1px solid #bdc4c7;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(251, 250, 246, 0.68);
}

.le-code-example h2,
.le-lab-block h2,
.le-quiz-block h2 {
  margin: 0;
  padding: 12px 16px;
  border-bottom: 1px solid #bdc4c7;
  color: #314b65;
  font: 500 0.72rem/1.4 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-code-example pre {
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  color: #13263b;
  font: 0.78rem/1.65 var(--le-mono);
  white-space: pre-wrap;
}

.le-inline-sources {
  display: grid;
  gap: 10px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px dashed #9aa5af;
}

.le-inline-source {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  color: #293f56;
  font: 0.7rem/1.5 var(--le-mono);
  text-decoration: none;
}

.le-inline-source span:first-child {
  color: var(--le-coral);
}

.le-inline-source:hover strong {
  text-decoration: underline;
}

.le-lab-block,
.le-quiz-block {
  margin-top: 30px;
  border: 1px solid #9da8b0;
  border-radius: 6px;
  background: rgba(251, 250, 246, 0.74);
}

.le-lab-content,
.le-quiz-content {
  padding: 26px;
}

.le-lab-content > p,
.le-quiz-content > p {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.6;
}

.le-lab-steps {
  display: grid;
  gap: 14px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.le-lab-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
}

.le-lab-steps span {
  color: var(--le-coral);
  font: 500 0.75rem/1.6 var(--le-mono);
}

.le-deliverable {
  padding: 18px;
  border-left: 3px solid var(--le-signal-deep);
  background: rgba(215, 251, 50, 0.12);
}

.le-deliverable strong {
  display: block;
  margin-bottom: 6px;
  font: 500 0.72rem/1.4 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-lab-notes {
  width: 100%;
  min-height: 130px;
  margin-top: 22px;
  padding: 16px;
  border: 1px solid #8795a1;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--le-text);
  font: 0.9rem/1.55 var(--le-mono);
  resize: vertical;
}

.le-quiz-options {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.le-quiz-option {
  width: 100%;
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid #8c98a2;
  border-radius: 5px;
  background: transparent;
  color: var(--le-text);
  text-align: left;
  cursor: pointer;
}

.le-quiz-option span {
  width: 18px;
  height: 18px;
  border: 1.5px solid #50667c;
  border-radius: 50%;
}

.le-quiz-option.is-selected {
  border-color: var(--le-signal-deep);
  background: rgba(215, 251, 50, 0.12);
}

.le-quiz-option.is-selected span {
  border: 5px solid var(--le-signal-deep);
}

.le-quiz-option.is-correct {
  border-color: var(--le-success);
  background: rgba(183, 217, 0, 0.14);
}

.le-quiz-option.is-incorrect {
  border-color: var(--le-danger);
  background: rgba(239, 88, 63, 0.11);
}

.le-quiz-feedback {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid var(--le-warning);
  background: rgba(242, 185, 28, 0.1);
}

.le-quiz-feedback.is-correct {
  border-color: var(--le-success);
  background: rgba(183, 217, 0, 0.11);
}

.le-complete-button {
  margin-top: 18px;
}

.le-reader-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 46px;
  padding-top: 24px;
  border-top: 1px solid #a5adb1;
}

.le-reader-footer .le-button:last-child {
  justify-self: end;
}

.le-evidence-rail {
  padding: 40px 28px;
  border-left: 1px solid var(--le-rule-on-ink);
}

.le-evidence-section + .le-evidence-section {
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px dashed var(--le-rule-on-ink);
}

.le-evidence-section h2 {
  margin: 0 0 18px;
  color: var(--le-signal);
  font: 500 0.74rem/1.3 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-definition-card h3 {
  margin: 0;
  color: var(--le-signal);
  font: 500 0.9rem/1.4 var(--le-mono);
}

.le-definition-card p,
.le-evidence-section > p {
  margin: 12px 0 0;
  color: var(--le-text-on-ink);
  font-size: 0.84rem;
  line-height: 1.62;
}

.le-source-stack {
  display: grid;
  gap: 22px;
}

.le-source-evidence {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  color: var(--le-text-on-ink);
  font: 0.73rem/1.55 var(--le-mono);
  text-decoration: none;
}

.le-source-evidence span {
  color: var(--le-coral);
}

.le-source-evidence small {
  display: block;
  margin-top: 6px;
  color: var(--le-muted-on-ink);
}

.le-workbench-status {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  color: var(--le-muted-on-ink);
  font: 0.68rem/1.4 var(--le-mono);
}

.le-workbench-status span {
  display: flex;
  align-items: center;
  gap: 9px;
}

.le-workbench-status i {
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.le-workbench-status .is-complete i {
  background: var(--le-success);
  color: var(--le-success);
}

.le-glossary-page {
  min-height: calc(100vh - var(--le-header-height));
  display: grid;
  grid-template-columns: 315px minmax(360px, 0.95fr) minmax(430px, 1.05fr);
}

.le-glossary-index {
  padding: 38px 26px 32px;
  border-right: 1px solid var(--le-rule-on-ink);
  background: var(--le-ink);
}

.le-glossary-intro h1 {
  font-size: 2rem;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.le-glossary-intro p {
  margin: 16px 0 0;
  color: var(--le-text-on-ink);
  font-size: 0.89rem;
  line-height: 1.65;
}

.le-search-box {
  position: relative;
  margin-top: 24px;
}

.le-search-box svg {
  position: absolute;
  top: 50%;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--le-text-on-ink);
  transform: translateY(-50%);
  pointer-events: none;
}

.le-search-input {
  width: 100%;
  height: 46px;
  padding: 10px 14px 10px 44px;
  border: 1px solid var(--le-signal);
  border-radius: 5px;
  background: transparent;
  color: var(--le-text-on-ink);
  font: 0.76rem/1 var(--le-mono);
}

.le-search-input::placeholder {
  color: var(--le-muted-on-ink);
}

.le-alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 11px;
  margin-top: 22px;
  color: var(--le-text-on-ink);
  font: 0.67rem/1 var(--le-mono);
}

.le-alpha-nav button {
  padding: 2px;
  background: transparent;
  cursor: pointer;
}

.le-alpha-nav button.is-active {
  color: var(--le-signal);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.le-term-index-list {
  max-height: 520px;
  margin-top: 22px;
  padding-right: 4px;
  overflow-y: auto;
  scrollbar-color: var(--le-rule-on-ink) transparent;
}

.le-term-index-list button {
  width: 100%;
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 4px;
  background: transparent;
  color: var(--le-text-on-ink);
  font: 0.72rem/1.3 var(--le-mono);
  text-align: left;
  cursor: pointer;
}

.le-term-index-list button::before {
  width: 8px;
  height: 8px;
  border: 1px solid var(--le-muted-on-ink);
  border-radius: 50%;
  content: "";
}

.le-term-index-list button.is-active {
  background: linear-gradient(90deg, rgba(215, 251, 50, 0.15), rgba(215, 251, 50, 0.04));
  color: var(--le-signal);
}

.le-term-index-list button.is-active::before {
  border: 4px solid var(--le-signal);
}

.le-term-index-meta {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--le-rule-on-ink);
  color: var(--le-muted-on-ink);
  font: 0.68rem/1.5 var(--le-mono);
}

.le-glossary-definition,
.le-glossary-sources {
  min-width: 0;
  background-color: var(--le-paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 25px, rgba(77, 91, 105, 0.08) 25px 26px);
  color: var(--le-text);
}

.le-glossary-definition {
  position: relative;
  padding: 70px 50px 48px 110px;
  border-right: 1px solid var(--le-paper-line);
}

.le-glossary-definition::before {
  position: absolute;
  inset: 0 auto 0 78px;
  width: 1px;
  background: rgba(240, 90, 64, 0.48);
  content: "";
}

.le-glossary-definition h2 {
  margin: 0;
  padding-bottom: 26px;
  border-bottom: 1px dashed #9aa5af;
  font: 700 clamp(2.6rem, 4vw, 4.3rem)/1 var(--le-display);
  letter-spacing: -0.05em;
}

.le-definition-block {
  margin-top: 34px;
}

.le-definition-block h3,
.le-glossary-sources h2 {
  margin: 0 0 16px;
  color: #35526f;
  font: 500 0.72rem/1.3 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-definition-block > p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.65;
}

.le-related-terms,
.le-used-in {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.le-related-terms button,
.le-used-in a {
  padding: 0;
  border-bottom: 1px dashed #526e8a;
  background: transparent;
  color: #355675;
  font: 0.78rem/1.5 var(--le-mono);
  text-decoration: none;
  cursor: pointer;
}

.le-used-in a {
  color: var(--le-coral);
  border-color: var(--le-coral);
}

.le-primary-note {
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px dashed #9aa5af;
  color: #4e5c69;
  font: 0.68rem/1.55 var(--le-mono);
}

.le-glossary-sources {
  padding: 48px 34px;
}

.le-source-list {
  display: grid;
}

.le-source-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 14px;
  padding: 26px 0;
  border-top: 1px dashed #9aa5af;
}

.le-source-item-number {
  color: var(--le-coral);
  font: 500 0.72rem/1.5 var(--le-mono);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.le-source-item h3 {
  margin: 0;
  font: 500 0.9rem/1.45 var(--le-mono);
}

.le-source-item p {
  margin: 8px 0 0;
  color: #526070;
  font: 0.69rem/1.45 var(--le-mono);
}

.le-source-item .le-button {
  align-self: center;
  min-height: 40px;
  padding: 9px 12px;
  font-size: 0.7rem;
}

.le-source-open-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 9px;
  color: #6e8100;
  font: 0.63rem/1.3 var(--le-mono);
}

.le-source-open-state::before {
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--le-signal-deep);
  border-radius: 50%;
  content: "";
}

.le-sources-page {
  padding: 54px clamp(28px, 6vw, 88px) 80px;
}

.le-sources-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 60px;
  align-items: end;
}

.le-source-controls {
  display: grid;
  gap: 14px;
}

.le-source-controls .le-search-box {
  margin-top: 0;
}

.le-source-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.le-source-filter-row button {
  padding: 8px 12px;
  border: 1px solid var(--le-rule-on-ink);
  border-radius: 4px;
  background: transparent;
  color: var(--le-muted-on-ink);
  font: 0.68rem/1 var(--le-mono);
  cursor: pointer;
}

.le-source-filter-row button.is-active {
  border-color: var(--le-signal);
  color: var(--le-signal);
}

.le-source-library {
  margin-top: 42px;
  background-color: var(--le-paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 25px, rgba(77, 91, 105, 0.08) 25px 26px);
  color: var(--le-text);
}

.le-library-head,
.le-library-row {
  display: grid;
  grid-template-columns: 50px minmax(260px, 1.7fr) 160px 100px minmax(180px, 1fr) 130px;
  gap: 18px;
  align-items: center;
}

.le-library-head {
  padding: 14px 24px;
  border-bottom: 1px solid #9aa5af;
  color: #4d5c6b;
  font: 500 0.65rem/1.3 var(--le-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.le-library-row {
  min-height: 94px;
  padding: 18px 24px;
  border-bottom: 1px dashed #adb5bb;
}

.le-library-row > span:first-child {
  color: var(--le-coral);
  font: 0.72rem/1 var(--le-mono);
}

.le-library-row h2 {
  margin: 0;
  font: 500 0.88rem/1.4 var(--le-mono);
}

.le-library-row p,
.le-library-row time,
.le-library-row .le-library-tags {
  margin: 0;
  color: #566472;
  font: 0.68rem/1.5 var(--le-mono);
}

.le-library-row .le-button {
  min-height: 38px;
  padding: 8px 10px;
  font-size: 0.68rem;
}

.le-capstone-page {
  min-height: calc(100vh - var(--le-header-height));
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(500px, 1.2fr);
}

.le-capstone-head {
  padding: clamp(54px, 7vw, 100px) clamp(34px, 6vw, 90px);
}

.le-capstone-head .le-button {
  margin-top: 34px;
}

.le-capstone-dossier {
  padding: 56px clamp(32px, 5vw, 72px);
  background-color: var(--le-paper);
  background-image: repeating-linear-gradient(to bottom, transparent 0 25px, rgba(77, 91, 105, 0.08) 25px 26px);
  color: var(--le-text);
}

.le-capstone-dossier h2 {
  margin: 0 0 22px;
  font: 600 2rem/1.15 var(--le-display);
}

.le-capstone-deliverables {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.le-capstone-deliverables li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px dashed #a2abb2;
}

.le-capstone-deliverables span {
  color: var(--le-coral);
  font: 0.72rem/1.5 var(--le-mono);
}

.le-rubric {
  margin-top: 40px;
}

.le-rubric-row {
  display: grid;
  grid-template-columns: 160px 1fr 48px;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid #c0c4c4;
}

.le-rubric-row strong,
.le-rubric-row span {
  font: 500 0.75rem/1.4 var(--le-mono);
}

.le-rubric-row p {
  margin: 0;
  color: #536171;
  font-size: 0.8rem;
}

.le-footer {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 30px;
  padding: 42px clamp(24px, 5vw, 70px);
  border-top: 1px solid var(--le-rule-on-ink);
  background: var(--le-ink);
  color: var(--le-muted-on-ink);
}

.le-footer-brand strong {
  color: var(--le-text-on-ink);
  font: 600 0.86rem/1.3 var(--le-display);
  letter-spacing: 0.08em;
}

.le-footer-brand p {
  max-width: 460px;
  margin: 10px 0 0;
  font-size: 0.8rem;
}

.le-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 22px;
  font: 0.7rem/1.4 var(--le-mono);
}

.le-footer-links a:hover {
  color: var(--le-signal);
}

.le-legal-details {
  grid-column: 1 / -1;
  padding-top: 22px;
  border-top: 1px solid var(--le-rule-on-ink);
}

.le-legal-details summary {
  width: fit-content;
  color: var(--le-text-on-ink);
  font: 0.7rem/1.4 var(--le-mono);
  cursor: pointer;
}

.le-legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.le-legal-grid h2 {
  color: var(--le-text-on-ink);
  font: 600 1rem/1.3 var(--le-display);
}

.le-legal-grid p {
  font-size: 0.78rem;
}

.le-term-dialog {
  width: min(620px, calc(100vw - 34px));
  padding: 0;
  border: 1px solid var(--le-signal);
  border-radius: 7px;
  background: var(--le-ink);
  color: var(--le-text-on-ink);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
}

.le-term-dialog::backdrop {
  background: rgba(2, 8, 16, 0.72);
  backdrop-filter: blur(4px);
}

.le-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--le-rule-on-ink);
  border-radius: 50%;
  background: transparent;
  color: var(--le-text-on-ink);
  font: 1.3rem/1 var(--le-mono);
  cursor: pointer;
}

.le-dialog-content {
  padding: 42px;
}

.le-dialog-content .le-kbd-label {
  color: var(--le-signal);
}

.le-dialog-content h2 {
  margin: 18px 0;
  font: 700 2.6rem/1 var(--le-display);
  letter-spacing: -0.04em;
}

.le-dialog-content > p {
  color: var(--le-text-on-ink);
  font-size: 1rem;
  line-height: 1.7;
}

.le-dialog-source {
  display: block;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--le-rule-on-ink);
  color: var(--le-coral);
  font: 0.72rem/1.5 var(--le-mono);
}

.le-toast {
  position: fixed;
  z-index: 100;
  right: 24px;
  bottom: 24px;
  max-width: 360px;
  padding: 14px 18px;
  border: 1px solid var(--le-signal);
  border-radius: 5px;
  background: var(--le-ink-raised);
  color: var(--le-text-on-ink);
  font: 0.75rem/1.5 var(--le-mono);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.le-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.le-empty-state,
.le-error-state {
  min-height: 50vh;
  display: grid;
  place-items: center;
  padding: 40px;
  text-align: center;
}

.le-empty-state p,
.le-error-state p {
  max-width: 620px;
  color: var(--le-muted-on-ink);
}

@media (max-width: 1260px) {
  :root {
    --le-edge-width: 82px;
  }

  .le-header {
    grid-template-columns: minmax(220px, 1fr) auto 42px;
    padding-inline: 28px;
  }

  .le-home-hero {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.82fr);
  }

  .le-hero-copy {
    padding-inline: 50px;
  }

  .le-map-flow {
    grid-template-columns: repeat(3, 1fr);
  }

  .le-map-node::after {
    display: none;
  }

  .le-module-workbench {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .le-evidence-rail {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    border-top: 1px solid var(--le-rule-on-ink);
    border-left: 0;
  }

  .le-evidence-section + .le-evidence-section {
    margin-top: 0;
    padding-top: 0;
    padding-left: 28px;
    border-top: 0;
    border-left: 1px dashed var(--le-rule-on-ink);
  }

  .le-glossary-page {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .le-glossary-sources {
    grid-column: 1 / -1;
  }

  .le-library-head,
  .le-library-row {
    grid-template-columns: 44px minmax(230px, 1.5fr) 130px 80px minmax(130px, 0.8fr) 110px;
  }
}

@media (max-width: 980px) {
  :root {
    --le-edge-width: 0px;
  }

  .le-edge-rail {
    display: none;
  }

  .le-app-shell {
    margin-left: 0;
  }

  .le-header {
    grid-template-columns: 1fr auto auto;
  }

  .le-nav {
    position: fixed;
    top: var(--le-header-height);
    right: 0;
    left: 0;
    height: auto;
    display: none;
    align-items: stretch;
    padding: 14px 24px 22px;
    border-bottom: 1px solid var(--le-rule-on-ink);
    background: var(--le-ink);
  }

  .le-nav.is-open {
    display: grid;
  }

  .le-nav a {
    min-height: 48px;
    border-bottom: 1px solid var(--le-rule-on-ink);
  }

  .le-nav a::after {
    display: none;
  }

  .le-menu-button {
    display: block;
  }

  .le-home-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .le-path-preview {
    border-top: 1px solid var(--le-rule-on-ink);
    border-left: 0;
  }

  .le-competency-map {
    grid-template-columns: 1fr;
  }

  .le-paper-note {
    display: none;
  }

  .le-map-heading {
    grid-template-columns: auto 1fr;
  }

  .le-map-legend {
    grid-column: 2;
    margin-top: 14px;
  }

  .le-path-layout {
    grid-template-columns: 1fr;
  }

  .le-path-paper {
    min-height: 0;
  }

  .le-module-row {
    grid-template-columns: minmax(0, 1fr) 76px 130px;
  }

  .le-module-row .le-button {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .le-module-workbench {
    grid-template-columns: minmax(0, 1fr);
  }

  .le-lesson-rail {
    min-width: 0;
    overflow: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--le-rule-on-ink);
  }

  .le-lesson-nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .le-lesson-nav::before {
    display: none;
  }

  .le-reader::before {
    left: 54px;
  }

  .le-reader-inner {
    padding-left: 82px;
  }

  .le-evidence-rail {
    grid-column: auto;
  }

  .le-glossary-page {
    grid-template-columns: 270px minmax(0, 1fr);
  }

  .le-glossary-definition {
    padding-left: 88px;
  }

  .le-glossary-definition::before {
    left: 58px;
  }

  .le-sources-head,
  .le-capstone-page {
    grid-template-columns: 1fr;
  }

  .le-source-controls {
    margin-top: 10px;
  }

  .le-library-head {
    display: none;
  }

  .le-library-row {
    grid-template-columns: 38px 1fr 100px;
    gap: 12px;
  }

  .le-library-row > :nth-child(3),
  .le-library-row > :nth-child(4),
  .le-library-row > :nth-child(5) {
    grid-column: 2;
  }

  .le-library-row .le-button {
    grid-column: 3;
    grid-row: 1 / 3;
  }
}

@media (max-width: 720px) {
  :root {
    --le-header-height: 66px;
  }

  .le-header {
    padding-inline: 18px;
  }

  .le-brand {
    font-size: 0.82rem;
  }

  .le-profile-link {
    display: none;
  }

  .le-header {
    grid-template-columns: 1fr auto;
  }

  .le-hero-copy {
    padding: 58px 22px 54px;
  }

  .le-hero-copy h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .le-hero-copy h1 span {
    white-space: normal;
  }

  .le-hero-actions,
  .le-hero-actions .le-button {
    width: 100%;
  }

  .le-path-preview {
    padding: 32px 22px 40px;
  }

  .le-map-content {
    padding: 36px 22px 48px;
  }

  .le-map-heading {
    grid-template-columns: 1fr;
  }

  .le-map-heading .le-section-number,
  .le-map-legend {
    grid-column: 1;
  }

  .le-map-flow {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .le-map-cluster {
    gap: 12px;
  }

  .le-path-page {
    padding: 40px 18px 60px;
  }

  .le-page-intro h1,
  .le-sources-head h1,
  .le-capstone-head h1 {
    font-size: clamp(2.7rem, 13vw, 4rem);
  }

  .le-stats-strip {
    grid-template-columns: 1fr;
  }

  .le-stat-item + .le-stat-item {
    border-top: 1px solid var(--le-rule-on-ink);
    border-left: 0;
  }

  .le-path-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .le-stage-head {
    padding-left: 20px;
  }

  .le-module-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .le-module-row p {
    margin-left: 0;
  }

  .le-module-row .le-button {
    grid-column: 1;
  }

  .le-path-paper {
    padding-left: 32px;
  }

  .le-lesson-rail {
    padding: 26px 18px;
  }

  .le-lesson-nav {
    display: flex;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    padding-bottom: 8px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline proximity;
  }

  .le-lesson-step {
    flex: 0 0 238px;
    min-height: 76px;
    scroll-snap-align: start;
  }

  .le-reader::before {
    left: 24px;
  }

  .le-reader-inner {
    padding: 38px 20px 32px 46px;
  }

  .le-reader h1 {
    font-size: clamp(2.5rem, 12vw, 3.8rem);
  }

  .le-reader-footer {
    grid-template-columns: 1fr;
  }

  .le-reader-footer .le-button,
  .le-reader-footer .le-button:last-child {
    width: 100%;
    justify-self: stretch;
  }

  .le-evidence-rail {
    grid-template-columns: 1fr;
    padding: 32px 22px;
  }

  .le-evidence-section + .le-evidence-section {
    margin-top: 12px;
    padding-top: 26px;
    padding-left: 0;
    border-top: 1px dashed var(--le-rule-on-ink);
    border-left: 0;
  }

  .le-glossary-page {
    grid-template-columns: 1fr;
  }

  .le-glossary-index {
    border-right: 0;
    border-bottom: 1px solid var(--le-rule-on-ink);
  }

  .le-term-index-list {
    max-height: 280px;
  }

  .le-glossary-definition {
    padding: 48px 22px 46px 48px;
    border-right: 0;
  }

  .le-glossary-definition::before {
    left: 26px;
  }

  .le-glossary-sources {
    grid-column: 1;
    padding: 40px 22px;
  }

  .le-source-item {
    grid-template-columns: 30px 1fr;
  }

  .le-source-item .le-button {
    grid-column: 2;
    justify-self: start;
  }

  .le-sources-page {
    padding: 44px 18px 60px;
  }

  .le-source-library {
    margin-inline: -18px;
  }

  .le-library-row {
    grid-template-columns: 34px 1fr;
    padding: 18px;
  }

  .le-library-row > :nth-child(n) {
    grid-column: 2;
  }

  .le-library-row > span:first-child {
    grid-column: 1;
    grid-row: 1 / 6;
  }

  .le-library-row .le-button {
    grid-column: 2;
    grid-row: auto;
    justify-self: start;
  }

  .le-capstone-head,
  .le-capstone-dossier {
    padding: 48px 22px;
  }

  .le-rubric-row {
    grid-template-columns: 1fr 42px;
  }

  .le-rubric-row p {
    grid-column: 1 / -1;
  }

  .le-footer {
    grid-template-columns: 1fr;
    padding: 36px 22px;
  }

  .le-footer-links {
    justify-content: flex-start;
  }

  .le-legal-grid {
    grid-template-columns: 1fr;
  }

  .le-dialog-content {
    padding: 42px 24px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}