/* Learning V2 is deliberately scoped away from Practice and the active Lesson Engine. */
body[data-route="codex"] {
  color: var(--academy-text);
  background: var(--academy-page);
  font-family: var(--academy-font-sans);
}

body[data-route="codex"] #page-codex,
#page-lesson.learning-v2-page {
  width: 100%;
  max-width: none;
  min-height: calc(100vh - 70px);
  padding: 0 0 64px;
  color: var(--academy-text);
  background: var(--academy-page);
  font-family: var(--academy-font-sans);
}

.learning-v2,
.learning-v2-message {
  width: min(var(--academy-content-wide), calc(100% - (2 * var(--academy-gutter))));
  margin: 0 auto;
}

.learning-v2 {
  padding-top: 16px;
}

.learning-v2 h1,
.learning-v2 h2,
.learning-v2 h3,
.learning-v2-message h1 {
  color: var(--dashboard-text);
  font-family: inherit;
  letter-spacing: -0.025em;
}

.learning-v2-kicker,
.learning-v2-unit-number,
.learning-v2-level-code {
  margin: 0;
  color: var(--academy-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.learning-v2-breadcrumbs {
  margin-bottom: 12px;
}

.learning-v2-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learning-v2-breadcrumbs li {
  display: flex;
  align-items: center;
  color: var(--dashboard-secondary);
  font-size: 0.82rem;
  font-weight: 700;
}

.learning-v2-breadcrumbs li:not(:last-child)::after {
  margin-inline: 3px;
  color: var(--dashboard-muted);
  content: "›";
}

.learning-v2-breadcrumbs :is(a, span) {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding-inline: 7px;
  border-radius: 8px;
}

.learning-v2-breadcrumbs a:hover {
  color: var(--dashboard-primary-hover);
  background: var(--dashboard-primary-soft);
}

.learning-v2 :is(a, button):focus-visible,
.learning-v2-message :is(a, button):focus-visible {
  outline: 3px solid rgba(104, 101, 216, 0.3);
  outline-offset: 2px;
}

.learning-v2-hero {
  position: relative;
  height: clamp(190px, 15vw, 215px);
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 58%) minmax(320px, 42%);
  overflow: hidden;
  background: linear-gradient(110deg, #fff 0%, #fff 55%, #f2f1fb 100%);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-hero);
  box-shadow: var(--academy-shadow-elevated);
}

.learning-v2-hero-copy {
  z-index: 2;
  align-self: center;
  padding: 26px 30px;
}

.learning-v2-hero h1 {
  max-width: 700px;
  margin: 6px 0 10px;
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  line-height: 1;
}

.learning-v2-hero-copy > p:not(.learning-v2-kicker, .learning-v2-context) {
  max-width: 650px;
  margin-bottom: 9px;
  color: var(--dashboard-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

.learning-v2-context {
  margin: 0;
  color: var(--dashboard-primary-hover);
  font-size: 0.82rem;
  font-weight: 750;
}

.learning-v2-hero-art,
.learning-v2-level-art {
  position: relative;
  min-width: 0;
  overflow: hidden;
  pointer-events: none;
}

.learning-v2-hero-art::before,
.learning-v2-level-art::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, #fff 0%, rgba(255, 255, 255, 0.38) 30%, transparent 75%);
  content: "";
}

.learning-v2-hero-art img,
.learning-v2-level-art img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.78) brightness(1.08);
}

.learning-v2-section {
  margin-top: var(--academy-space-5);
}

.learning-v2-section-heading {
  margin-bottom: 12px;
}

.learning-v2-section-heading h2 {
  margin: 4px 0 0;
  font-size: clamp(1.45rem, 2vw, 1.8rem);
}

.learning-v2-section-heading-inline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.learning-v2-section-heading-inline > p {
  margin: 0 0 2px;
  color: var(--dashboard-secondary);
  font-size: 0.84rem;
  font-weight: 700;
}

.learning-v2-level-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--academy-space-4);
}

.learning-v2-level-card {
  position: relative;
  min-height: 210px;
  display: grid;
  grid-template-columns: minmax(0, 68%) minmax(140px, 32%);
  overflow: hidden;
  background: var(--academy-surface);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: var(--academy-shadow-subtle);
}

.learning-v2-level-card.is-available {
  background: linear-gradient(135deg, #fff 0%, #f5f4fd 100%);
  border-color: #dcd9f3;
  box-shadow: var(--academy-shadow-elevated);
}

.learning-v2-level-card:not(.is-available) {
  box-shadow: none;
}

.learning-v2-level-copy {
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px;
}

.learning-v2-level-card h2 {
  margin: 5px 0 7px;
  font-size: 1.45rem;
}

.learning-v2-level-card h2 + p {
  max-width: 470px;
  margin-bottom: 12px;
  color: var(--dashboard-secondary);
  font-size: 0.86rem;
  line-height: 1.45;
}

.learning-v2-level-card .learning-v2-card-meta {
  margin-bottom: 0;
}

.learning-v2-level-art img {
  object-position: center;
}

.learning-v2-card-meta,
.learning-v2-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: var(--dashboard-secondary);
  font-size: 0.78rem;
  font-weight: 700;
}

.learning-v2-card-meta {
  margin-bottom: 12px;
}

.learning-v2-status {
  min-height: 28px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--dashboard-border);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 780;
  white-space: nowrap;
}

.learning-v2-status.is-available {
  color: var(--dashboard-primary-hover);
  background: var(--dashboard-primary-soft);
  border-color: #dcd9f3;
}

.learning-v2-status.is-later {
  color: var(--dashboard-secondary);
  background: var(--academy-page);
}

.learning-v2-status.is-in-progress,
.learning-v2-status.is-ready {
  color: #5d4b18;
  background: #fff8df;
  border-color: #ead797;
}

.learning-v2-status.is-complete {
  color: #285b42;
  background: #edf7f1;
  border-color: #b9ddc8;
}

.learning-v2-action {
  min-height: 44px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin-top: auto;
  padding: 0 15px;
  color: #454752;
  background: #fff;
  border: 1px solid #e1e2e9;
  border-radius: var(--academy-radius-control);
  box-shadow: 0 2px 6px rgba(32, 33, 42, 0.04);
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
}

.learning-v2-action span {
  color: #7773cf;
  font-size: 1rem;
  line-height: 1;
}

.learning-v2-action:hover {
  color: var(--dashboard-primary-hover);
  background: #f5f4fd;
  border-color: #dcd9f3;
}

.learning-v2 :is(.learning-v2-level-card.is-available, .learning-v2-unit-card.is-available, .learning-v2-subunit-row.is-available) .learning-v2-action {
  color: var(--academy-primary-hover);
  background: var(--academy-primary-soft);
  border-color: #dcd9f3;
}

.learning-v2-subunit-row.is-complete .learning-v2-action {
  color: var(--academy-success);
  background: #edf7f1;
  border-color: #b9ddc8;
}

.learning-v2-action.is-secondary {
  color: var(--dashboard-secondary);
  background: #fafafd;
}

.learning-v2-page-header {
  min-height: 154px;
  display: flex;
  align-items: center;
  padding: 24px 28px;
  background: linear-gradient(115deg, #fff 0%, #fff 66%, #f2f1fb 100%);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: var(--academy-shadow-subtle);
}

.learning-v2-page-header h1 {
  margin: 5px 0 8px;
  font-size: clamp(2rem, 3vw, 2.75rem);
}

.learning-v2-page-header > div > p:not(.learning-v2-kicker, .learning-v2-unit-description, .learning-v2-summary) {
  margin-bottom: 12px;
  color: var(--dashboard-secondary);
}

.learning-v2-unit-description {
  margin: 0 0 10px;
  color: var(--dashboard-secondary);
  font-size: 0.9rem;
}

.learning-v2-unit-label {
  margin: 7px 0 -1px;
  color: var(--dashboard-secondary);
  font-size: 0.8rem;
  font-weight: 780;
  text-transform: uppercase;
}

.learning-v2-summary span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  background: #f5f4fd;
  border: 1px solid #e2e0f3;
  border-radius: 999px;
}

.learning-v2-level-switcher {
  width: fit-content;
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: #f5f5f8;
  border: 1px solid var(--dashboard-border);
  border-radius: 11px;
}

.learning-v2-level-switch {
  min-width: 54px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--dashboard-secondary);
  background: #fff;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 800;
}

.learning-v2-level-switch:hover,
.learning-v2-level-switch.is-current {
  color: var(--dashboard-primary-hover);
  background: var(--dashboard-primary-soft);
  border-color: #dcd9f3;
}

.learning-v2-unit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--academy-space-3);
}

.learning-v2-unit-card {
  position: relative;
  min-height: 184px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  overflow: hidden;
  padding: 18px;
  background: var(--academy-surface);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: none;
}

.learning-v2-unit-card::after {
  position: absolute;
  right: -24px;
  bottom: -30px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(104, 101, 216, 0.1), transparent 68%);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.learning-v2-unit-card.is-available {
  background: linear-gradient(145deg, #fff 0%, #f7f6fd 100%);
  border-color: #dcd9f3;
  box-shadow: var(--academy-shadow-subtle);
}

.learning-v2-unit-card > * {
  position: relative;
  z-index: 1;
}

.learning-v2-unit-card h3 {
  margin: 4px 0 7px;
  font-size: 1.08rem;
  line-height: 1.15;
}

.learning-v2-unit-card > div:first-child > p:last-child {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--dashboard-secondary);
  font-size: 0.78rem;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.learning-v2-unit-card .learning-v2-card-meta {
  display: grid;
  gap: 6px;
  margin-bottom: 0;
}

.learning-v2-unit-card .learning-v2-action {
  margin-top: auto;
}

.learning-v2-subunit-list {
  display: grid;
  gap: var(--academy-space-2);
}

.learning-v2-subunit-row {
  min-height: 96px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto 142px;
  align-items: center;
  gap: 18px;
  padding: 14px 16px;
  background: var(--academy-surface);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: none;
}

.learning-v2-subunit-row.is-available {
  background: linear-gradient(100deg, #fff 0%, #f7f6fd 100%);
  border-color: #dcd9f3;
  box-shadow: inset 3px 0 0 var(--academy-primary), var(--academy-shadow-subtle);
}

.learning-v2-subunit-row.is-complete {
  background: linear-gradient(100deg, #fff 0%, #f0f8f3 100%);
  border-color: #b9ddc8;
  box-shadow: inset 3px 0 0 #376e53, 0 5px 16px rgba(32, 33, 42, 0.035);
}

.learning-v2-subunit-row:is(.is-ready, .is-in-progress):not(.is-complete) {
  border-color: #ead797;
  box-shadow: inset 3px 0 0 var(--academy-gold), var(--academy-shadow-subtle);
}

.learning-v2-subunit-number {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--dashboard-primary-hover);
  background: var(--dashboard-primary-soft);
  border-radius: 10px;
  font-size: 0.78rem;
}

.learning-v2-subunit-copy h3 {
  margin: 0;
  font-size: 1.03rem;
}

.learning-v2-subunit-copy p {
  margin: 6px 0 0;
  color: var(--dashboard-secondary);
  font-size: 0.82rem;
  line-height: 1.4;
}

.learning-v2-subunit-row .learning-v2-action {
  width: 142px;
  margin: 0;
}

.learning-v2-message {
  min-height: 260px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 8px;
  margin-top: 28px;
  padding: 30px;
  color: var(--dashboard-text);
  background: linear-gradient(115deg, #fff 0%, #fff 70%, #f2f1fb 100%);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: var(--academy-shadow-subtle);
  font-size: 1rem;
  white-space: normal;
}

.learning-v2-message h1 {
  margin: 2px 0 4px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.learning-v2-message > p:not(.learning-v2-kicker) {
  margin-bottom: 8px;
  color: var(--dashboard-secondary);
}

.learning-v2-planned-page {
  padding-top: 22px;
}

.learning-v2-planned-card {
  min-height: 310px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 9px;
  padding: 34px;
  background: linear-gradient(115deg, #fff 0%, #fff 66%, #f2f1fb 100%);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: var(--academy-shadow-subtle);
}

.learning-v2-planned-card h1 {
  margin: 3px 0 4px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.learning-v2-planned-card > p:not(.learning-v2-kicker) {
  max-width: 620px;
  margin: 4px 0 10px;
  color: var(--dashboard-secondary);
}

@media (max-width: 1100px) {
  .learning-v2-unit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .learning-v2-subunit-row {
    grid-template-columns: 54px minmax(0, 1fr) auto;
  }

  .learning-v2-subunit-row .learning-v2-action {
    grid-column: 2;
    width: fit-content;
  }
}

@media (max-width: 860px) {
  .learning-v2,
  .learning-v2-message {
    width: min(100% - 32px, 720px);
  }

  .learning-v2-hero {
    height: 200px;
    min-height: 0;
    grid-template-columns: minmax(0, 62%) minmax(220px, 38%);
  }

  .learning-v2-level-grid {
    grid-template-columns: 1fr;
  }

  .learning-v2-unit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  body[data-route="codex"] #page-codex,
  #page-lesson.learning-v2-page {
    min-height: calc(100vh - 165px);
    padding-bottom: 48px;
  }

  .learning-v2,
  .learning-v2-message {
    width: min(100% - 24px, 560px);
  }

  .learning-v2 {
    padding-top: 10px;
  }

  .learning-v2-breadcrumbs {
    margin-bottom: 8px;
  }

  .learning-v2-hero {
    height: auto;
    min-height: 350px;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) 108px;
  }

  .learning-v2-hero-copy {
    padding: 24px 22px 18px;
  }

  .learning-v2-hero h1 {
    font-size: clamp(2.1rem, 12vw, 3rem);
  }

  .learning-v2-hero-art::before {
    background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.32) 38%, transparent 100%);
  }

  .learning-v2-section {
    margin-top: 20px;
  }

  .learning-v2-level-card {
    min-height: 278px;
    grid-template-columns: minmax(0, 72%) minmax(100px, 28%);
  }

  .learning-v2-level-copy {
    padding: 20px;
  }

  .learning-v2-page-header {
    min-height: 0;
    padding: 22px;
  }

  .learning-v2-page-header h1 {
    font-size: 2rem;
  }

  .learning-v2-unit-grid {
    grid-template-columns: 1fr;
  }

  .learning-v2-unit-card {
    min-height: 0;
    gap: 8px;
    padding: 16px;
  }

  .learning-v2-subunit-row {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 10px 13px;
    padding: 15px;
  }

  .learning-v2-subunit-number {
    width: 40px;
    height: 40px;
  }

  .learning-v2-subunit-copy {
    grid-column: 2 / -1;
  }

  .learning-v2-subunit-row .learning-v2-status {
    grid-column: 2;
  }

  .learning-v2-subunit-row .learning-v2-action {
    grid-column: 3;
    width: auto;
  }

  .learning-v2-section-heading-inline {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .learning-v2-planned-card {
    min-height: 300px;
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .learning-v2-action {
    transition: none;
  }
}