/* Lesson V2 is scoped to the active continuous Lesson Engine. */
#page-lesson.learning-v2-page {
  color: var(--academy-text);
  background: var(--academy-page);
}

.lesson-engine.lesson-v2 {
  width: min(930px, calc(100% - 48px));
  margin: 0 auto;
  padding: 16px 0 56px;
  color: var(--academy-text);
  font-family: var(--academy-font-sans);
}

.lesson-v2 :is(h1, h2, h3) {
  color: var(--academy-text);
  font-family: inherit;
  letter-spacing: -0.025em;
}

.lesson-v2 :is(a, button, input, textarea, [tabindex="0"]):focus-visible {
  outline: 3px solid rgba(104, 101, 216, 0.3);
  outline-offset: 2px;
}

.lesson-v2-breadcrumbs {
  margin: 0 0 12px;
}

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

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

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

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

.lesson-v2-breadcrumbs a {
  color: var(--academy-secondary);
}

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

.lesson-v2 .lesson-preview-indicator {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin: 0 0 12px;
  padding: 7px 11px;
  color: #655329;
  background: #fbf6ea;
  border: 1px solid #ead9b5;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 750;
}

.lesson-v2 .lesson-preview-indicator strong {
  color: #8a692b;
}

.lesson-v2 .lesson-engine-hero {
  padding: clamp(28px, 3.2vw, 34px);
  background: linear-gradient(115deg, #fff 0%, #fff 68%, #f5f4fd 100%);
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-hero);
  box-shadow: var(--academy-shadow-subtle);
}

.lesson-v2-context,
.lesson-practice-kicker {
  margin: 0;
  color: var(--academy-primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lesson-v2 .lesson-engine-hero h1 {
  max-width: 780px;
  margin: 7px 0 20px;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.08;
}

.lesson-v2 .lesson-can-do {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  max-width: 780px;
  padding: 15px 17px;
  color: var(--academy-text);
  background: #f5f4fd;
  border: 1px solid #e2e0f3;
  border-radius: var(--academy-radius-control);
}

.lesson-v2 .lesson-can-do strong {
  color: var(--academy-primary-hover);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.lesson-v2 .lesson-can-do p {
  margin: 0;
  color: var(--academy-text);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.55;
}

.lesson-v2 .lesson-engine-flow {
  width: min(var(--academy-content-reading), 100%);
  min-width: 0;
  display: grid;
  margin-inline: auto;
}

.lesson-v2 .lesson-content-block {
  min-width: 0;
  padding: clamp(32px, 4.2vw, 42px) 0;
  border-bottom: 1px solid var(--academy-border);
}

.lesson-v2 .lesson-content-block > h2,
.lesson-v2 .lesson-practice-heading h2 {
  margin: 0 0 17px;
  font-size: clamp(1.55rem, 2.5vw, 1.85rem);
  line-height: 1.2;
}

.lesson-v2 .lesson-prose {
  display: grid;
  gap: 13px;
  max-width: 760px;
}

.lesson-v2 .lesson-prose p,
.lesson-v2 .lesson-content-block > p {
  margin: 0;
  color: #3e404a;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.72;
}

.lesson-v2 .lesson-key-idea,
.lesson-v2 .lesson-tip {
  display: grid;
  gap: 5px;
  max-width: 760px;
  margin: 22px 0 0;
  padding: 15px 17px;
  border-radius: 10px;
}

.lesson-v2 .lesson-key-idea {
  color: #353453;
  background: #f5f4fd;
  border: 1px solid #deddf3;
}

.lesson-v2 .lesson-tip {
  color: #304b6b;
  background: #eef3f8;
  border: 1px solid #d8e4ef;
}

.lesson-v2 :is(.lesson-key-idea, .lesson-tip) strong {
  color: inherit;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.lesson-v2 :is(.lesson-key-idea, .lesson-tip) span {
  font-size: 0.96rem;
  font-weight: 550;
  line-height: 1.58;
}

.lesson-v2 .lesson-terminology {
  display: grid;
  grid-template-columns: minmax(110px, 0.25fr) minmax(0, 1fr);
  gap: 16px;
  max-width: 760px;
  margin: 20px 0 0;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--academy-border);
  border-radius: 10px;
}

.lesson-v2 .lesson-terminology :is(dt, dd) {
  margin: 0;
}

.lesson-v2 .lesson-terminology dt {
  color: var(--academy-primary-hover);
  font-weight: 800;
}

.lesson-v2 .lesson-terminology dd {
  color: var(--academy-secondary);
  font-weight: 500;
  line-height: 1.6;
}

.lesson-v2 :is(.lesson-inline-examples, .lesson-example-list, .lesson-mistake-list) {
  display: grid;
  gap: 12px;
  margin-top: 21px;
}

.lesson-v2 .lesson-example {
  padding: 10px 0 10px 18px;
  background: transparent;
  border: 0;
  border-left: 3px solid #8a87df;
  border-radius: 0;
}

.lesson-v2 .lesson-example p {
  margin: 0;
  color: var(--academy-text);
  font-size: 1.04rem;
  font-weight: 650;
  line-height: 1.58;
}

.lesson-v2 .lesson-example .eyebrow {
  margin-bottom: 5px;
  color: var(--academy-primary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.lesson-v2 .lesson-example mark {
  padding: 1px 3px;
  color: var(--academy-primary-hover);
  background: var(--academy-primary-soft);
  border: 0;
  border-radius: 4px;
}

.lesson-v2 .lesson-example :is(.lesson-translation, .lesson-example-explanation) {
  margin-top: 6px;
  color: var(--academy-secondary);
  font-size: 0.92rem;
  font-weight: 500;
}

.lesson-v2 :is(.lesson-memory-tool, .lesson-note, .lesson-summary) {
  margin: 30px 0;
  padding: 22px;
  border-radius: var(--academy-radius-card);
}

.lesson-v2 .lesson-memory-tool {
  color: #453b27;
  background: #fbf6ea;
  border: 1px solid #ead9b5;
}

.lesson-v2 .lesson-memory-tool .lesson-mnemonic {
  margin: 0 0 10px;
  color: #74591f;
  font-size: 1.25rem;
  font-weight: 800;
}

.lesson-v2 :is(.lesson-memory-tool, .lesson-summary) li {
  margin-top: 7px;
  color: inherit;
  font-weight: 500;
  line-height: 1.58;
}

.lesson-v2 .lesson-note {
  color: #334a64;
  background: #eef3f8;
  border: 1px solid #d8e4ef;
}

.lesson-v2 .lesson-note.is-important {
  color: #594923;
  background: #fbf6ea;
  border-color: #ead9b5;
}

.lesson-v2 .lesson-note.is-exception {
  color: #793f3f;
  background: #fbefef;
  border-color: #eccdcd;
}

.lesson-v2 .lesson-note :is(h2, p) {
  color: inherit;
}

.lesson-v2 .lesson-summary {
  color: #353453;
  background: #f5f4fd;
  border: 1px solid #deddf3;
}

.lesson-v2 .lesson-summary h2 {
  color: #353453;
}

.lesson-v2 .lesson-table-block > p {
  margin-bottom: 16px;
}

.lesson-v2 .lesson-table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
}

.lesson-v2 .lesson-table-scroll:focus-visible {
  outline-color: rgba(104, 101, 216, 0.35);
}

.lesson-v2 .lesson-table-block table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: #fff;
}

.lesson-v2 .lesson-table-block :is(th, td) {
  padding: 12px 15px;
  color: #3e404a;
  border-bottom: 1px solid var(--academy-border);
  text-align: left;
  vertical-align: top;
}

.lesson-v2 .lesson-table-block thead th {
  color: var(--academy-text);
  background: #f5f4fd;
  font-weight: 750;
}

.lesson-v2 .lesson-table-block tbody th {
  color: var(--academy-text);
  font-weight: 700;
}

.lesson-v2 .lesson-table-block td {
  font-weight: 500;
}

.lesson-v2 .lesson-table-block tbody tr:last-child :is(th, td) {
  border-bottom: 0;
}

.lesson-v2 .lesson-contrast-list {
  display: grid;
  gap: 18px;
}

.lesson-v2 .lesson-contrast-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.lesson-v2 .lesson-contrast-pair > p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--academy-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.62;
}

.lesson-v2 .lesson-mistake-list article {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--academy-border);
  border-radius: 10px;
}

.lesson-v2 :is(.lesson-incorrect, .lesson-correct) {
  display: grid;
  grid-template-columns: minmax(82px, auto) 1fr;
  gap: 10px;
  align-items: baseline;
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 600;
}

.lesson-v2 :is(.lesson-incorrect, .lesson-correct) strong {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.lesson-v2 .lesson-incorrect {
  color: #8e4545;
  background: #fbefef;
  text-decoration: none;
}

.lesson-v2 .lesson-incorrect > span {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.lesson-v2 .lesson-correct {
  color: #376e53;
  background: #edf7f1;
}

.lesson-v2 .lesson-mistake-list article > p:last-child:not(.lesson-correct) {
  margin: 3px 2px 0;
  color: var(--academy-secondary);
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.58;
}

.lesson-v2 .lesson-practice {
  width: min(var(--academy-content-reading), 100%);
  margin-top: 8px;
  margin-inline: auto;
  padding: clamp(38px, 5vw, 50px) 0;
}

.lesson-v2 .lesson-practice-heading {
  padding: 22px 0;
  border-bottom: 1px solid #deddf3;
}

.lesson-v2 .lesson-practice-heading h2 {
  margin: 5px 0 7px;
}

.lesson-v2 .lesson-practice-heading > p:last-child {
  max-width: 680px;
  margin: 0;
  color: var(--academy-secondary);
  font-size: 0.96rem;
  font-weight: 500;
}

.lesson-v2 .lesson-practice-list {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.lesson-v2 .lesson-practice-item {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--academy-border);
  border-radius: var(--academy-radius-card);
  box-shadow: var(--academy-shadow-subtle);
}

.lesson-v2 .lesson-practice-item.is-mastered {
  border-color: #b9ddc8;
  box-shadow: 0 7px 18px rgba(55, 110, 83, 0.08);
}

.lesson-v2 .lesson-practice-item :is(h3, p) {
  margin: 0;
}

.lesson-v2 .lesson-practice-item h3 {
  font-size: 1.08rem;
  line-height: 1.45;
}

.lesson-v2 .lesson-practice-item > p:not(.lesson-practice-number) {
  color: var(--academy-secondary);
  font-size: 0.93rem;
  font-weight: 500;
  line-height: 1.55;
}

.lesson-v2 .lesson-practice-number {
  width: fit-content;
  padding: 4px 7px;
  color: var(--academy-primary-hover) !important;
  background: var(--academy-primary-soft);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 800 !important;
  letter-spacing: 0.06em;
}

.lesson-v2 .lesson-practice-item fieldset {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.lesson-v2 .lesson-practice-item fieldset label {
  min-height: 44px;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 13px;
  color: var(--academy-text);
  background: #fff;
  border: 1px solid var(--academy-border);
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.lesson-v2 .lesson-practice-item fieldset label:hover {
  background: #f5f4fd;
  border-color: #d8d6f0;
}

.lesson-v2 .lesson-practice-item fieldset label:has(input:checked) {
  background: var(--academy-primary-soft);
  border-color: #8a87df;
}

.lesson-v2 .lesson-practice-item :is(input[type="radio"], input[type="checkbox"]) {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  accent-color: var(--academy-primary);
}

.lesson-v2 .lesson-practice-item :is(input[type="text"], textarea) {
  width: 100%;
  min-height: 44px;
  padding: 11px 13px;
  color: var(--academy-text);
  background: #fff;
  border: 1px solid #d7d8df;
  border-radius: 10px;
  font: inherit;
}

.lesson-v2 .lesson-practice-item textarea {
  min-height: 118px;
  resize: vertical;
}

.lesson-v2 .lesson-practice-item .primary-button {
  min-height: 44px;
  justify-self: start;
  padding: 0 18px;
  color: #fff;
  background: var(--academy-primary);
  border: 1px solid var(--academy-primary);
  border-radius: 10px;
  font: inherit;
  font-weight: 750;
}

.lesson-v2 .lesson-practice-item .primary-button:hover:not(:disabled) {
  background: var(--academy-primary-hover);
  border-color: var(--academy-primary-hover);
}

.lesson-v2 .lesson-practice-feedback {
  min-height: 0;
  color: var(--academy-secondary);
  font-size: 0.94rem;
  font-weight: 600;
}

.lesson-v2 .lesson-practice-feedback:not(:empty) {
  padding: 13px 15px;
  border: 1px solid #deddf3;
  border-radius: 10px;
}

.lesson-v2 .lesson-practice-feedback.is-correct {
  color: #376e53;
  background: #edf7f1;
  border-color: #cce7d6;
}

.lesson-v2 .lesson-practice-feedback.is-incorrect {
  color: #8e4545;
  background: #fbefef;
  border-color: #eccdcd;
}

.lesson-v2 .lesson-practice-feedback.is-self-review {
  color: #353453;
  background: #f5f4fd;
  border-color: #deddf3;
}

.lesson-v2 .lesson-practice-feedback p {
  margin: 0;
}

.lesson-v2 .lesson-practice-feedback p + p,
.lesson-v2 .lesson-practice-feedback ul {
  margin-top: 7px;
}

.lesson-v2 .lesson-practice-feedback li {
  margin-top: 5px;
  color: inherit;
  font-weight: 500;
  line-height: 1.55;
}

.lesson-v2 .spanish-character-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lesson-v2 .spanish-character-bar button {
  min-width: 44px;
  min-height: 44px;
  color: var(--academy-primary-hover);
  background: #f5f4fd;
  border: 1px solid #deddf3;
  border-radius: 8px;
}

.lesson-v2 .lesson-completion {
  width: min(var(--academy-content-reading), 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 10px auto 34px;
  padding: 24px;
  color: var(--academy-text);
  background: #f7f7fb;
  border: 1px solid #deddf3;
  border-radius: var(--academy-radius-card);
}

.lesson-v2 .lesson-completion h2,
.lesson-v2 .lesson-completion p {
  margin: 0;
}

.lesson-v2 .lesson-completion h2 {
  margin: 4px 0 7px;
}

.lesson-v2 .lesson-completion.is-ready {
  background: #f0effd;
  border-color: var(--academy-primary);
  box-shadow: var(--academy-shadow-subtle);
}

.lesson-v2 .lesson-completion.is-complete {
  justify-content: flex-start;
  color: #285b42;
  background: #edf7f1;
  border-color: #b9ddc8;
}

.lesson-v2 .lesson-completion-check {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: #376e53;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 800;
}

.lesson-v2 .lesson-performance-score {
  margin-top: 7px !important;
  color: var(--academy-secondary);
  font-size: 0.9rem;
}

.lesson-v2 .lesson-complete-button {
  min-height: 44px;
  flex: 0 0 auto;
}

.lesson-v2 .lesson-complete-button:disabled {
  color: var(--academy-muted);
  background: var(--academy-surface);
  border-color: var(--academy-border);
  opacity: 1;
}

.lesson-v2 .lesson-engine-footer {
  width: min(var(--academy-content-reading), 100%);
  margin-inline: auto;
  padding-top: 24px;
  border-top: 1px solid var(--academy-border);
}

.lesson-v2 .lesson-v2-return {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  color: var(--academy-primary-hover);
  background: #fff;
  border: 1px solid var(--academy-border);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 750;
}

.lesson-v2 .lesson-v2-return:hover {
  color: #fff;
  background: var(--academy-primary);
  border-color: var(--academy-primary);
}

@media (max-width: 700px) {
  .lesson-engine.lesson-v2 {
    width: calc(100% - 32px);
    padding-top: 12px;
  }

  .lesson-v2 .lesson-can-do,
  .lesson-v2 .lesson-terminology,
  .lesson-v2 .lesson-contrast-pair {
    grid-template-columns: 1fr;
  }

  .lesson-v2 .lesson-completion {
    align-items: stretch;
    flex-direction: column;
  }

  .lesson-v2 .lesson-contrast-pair > p {
    grid-column: auto;
  }

  .lesson-v2 .lesson-content-block {
    padding-block: 28px;
  }
}

@media (max-width: 480px) {
  .lesson-engine.lesson-v2 {
    width: calc(100% - 24px);
  }

  .lesson-v2 .lesson-engine-hero {
    padding: 24px 20px;
  }

  .lesson-v2 .lesson-engine-hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.15rem);
  }

  .lesson-v2 :is(.lesson-memory-tool, .lesson-note, .lesson-summary, .lesson-practice-item) {
    padding: 18px;
  }

  .lesson-v2 :is(.lesson-incorrect, .lesson-correct) {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .lesson-v2 .lesson-practice-item .primary-button,
  .lesson-v2 .lesson-v2-return {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-v2 *,
  .lesson-v2 *::before,
  .lesson-v2 *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}