/* Componentes compartidos por los mini tutoriales del Observatorio. */

.tutorial-identity__inner {
  display: flex;
  min-height: 6rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tutorial-identity__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tutorial-back-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-weight: 700;
}

.tutorial-progress {
  position: sticky;
  z-index: 15;
  top: 0;
  color: var(--white);
  background: var(--una-blue-dark);
}

.tutorial-progress__inner {
  display: grid;
  grid-template-columns: 1fr minmax(10rem, 22rem);
  align-items: center;
  gap: 1rem;
  min-height: 3.25rem;
  padding-block: 0.5rem;
  font-weight: 700;
}

.tutorial-progress progress {
  width: 100%;
  height: 1rem;
  accent-color: var(--focus);
}

.mobile-toc__toggle,
.mobile-toc__panel {
  display: none;
}

.tutorial-hero {
  padding-block: clamp(2.75rem, 5vw, 4.75rem);
  background: linear-gradient(120deg, #f8fafc, #ffffff 62%, #f3e8e8);
  border-bottom: 1px solid var(--border);
}

.tutorial-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.75fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 5rem);
}

.tutorial-hero__content {
  max-width: 52rem;
}

.tutorial-hero__lead {
  max-width: 52rem;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 700;
}

.tutorial-hero__summary,
.section-lead {
  max-width: 55rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.breadcrumbs ol,
.tutorial-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 0;
  margin: 0 0 2rem;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 0.75rem;
  content: "/";
}

.tutorial-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 50rem;
  margin: 2rem 0 0;
}

.tutorial-meta li {
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-top: 0.25rem solid var(--una-blue);
}

.tutorial-meta strong {
  display: block;
  margin-bottom: 0.15rem;
}

.tutorial-hero__start {
  margin-top: 1.5rem;
}

.tutorial-hero__outcomes {
  padding: clamp(1.35rem, 3vw, 2rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 0.45rem solid var(--una-red);
  border-radius: 0.25rem;
  box-shadow: 0 1rem 2.5rem rgba(28, 43, 68, 0.1);
}

.tutorial-hero__number {
  margin: 0 0 1rem;
  color: var(--una-blue);
  font: 900 clamp(2.4rem, 5vw, 4rem)/1 var(--serif);
}

.tutorial-hero__outcomes h2 {
  margin-top: 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

.tutorial-hero__outcomes ul {
  display: grid;
  gap: 0.8rem;
  padding-left: 1.25rem;
  margin-bottom: 0;
}

.tutorial-hero__outcomes li::marker {
  color: var(--una-red);
}

.tutorial-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(16rem, 0.8fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 5rem);
  padding-block: clamp(3rem, 7vw, 6rem);
}

/*
 * Permite que el contenido reduzca su ancho intrínseco dentro de Grid y
 * Flexbox. Sin estos límites defensivos, fragmentos de código, nombres largos
 * y controles pueden ensanchar la página a 320 px o con espaciado personalizado.
 */
.tutorial-layout > *,
.tutorial-hero__grid > *,
.tutorial-hero__content,
.tutorial-hero__outcomes,
.tutorial-content,
.tutorial-content > section,
.practice-section,
.practice-section > .activity,
.comparison-grid > *,
.modality-grid > *,
.scenario-grid > *,
.language-lab > *,
.control-intent-lab > *,
.alternative-classifier > * {
  min-inline-size: 0;
}

.tutorial-hero :where(h1, h2, p, li, strong),
.tutorial-content :where(h2, h3, h4, p, li, dt, dd, a, button, label, code) {
  overflow-wrap: anywhere;
}

.tutorial-content :where(button, input, select, textarea) {
  max-inline-size: 100%;
  min-inline-size: 0;
}

.tutorial-content > section + section {
  margin-top: clamp(4rem, 8vw, 7rem);
}

.tutorial-content section[id],
.tutorial-content h2[id] {
  scroll-margin-top: 10rem;
}

.step-label {
  margin-bottom: 0.5rem;
  color: var(--una-red);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.key-idea,
.practice-panel,
.question-card,
.checklist-card,
.completion-card,
.aside-card {
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.key-idea {
  margin-top: 2rem;
  border-left: 0.45rem solid var(--una-red);
}

.concept-pair,
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.concept-pair > div,
.modality-card,
.barrier-list article,
.comparison-card {
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.4rem;
}

.concept-pair p,
.modality-card p,
.barrier-list p,
.comparison-card li:last-child {
  margin-bottom: 0;
}

.modality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.modality-card {
  border-top: 0.3rem solid var(--una-blue);
}

.modality-card__symbol {
  display: grid;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  place-items: center;
  color: var(--white);
  background: var(--una-blue);
  border-radius: 50%;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  font-weight: 800;
}

.benefit-list {
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.benefit-list li {
  padding: 1rem 1rem 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  border-left: 0.25rem solid var(--una-red);
}

.barrier-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.barrier-list article {
  border-left: 0.35rem solid var(--una-red);
}

.explained-checklist {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
}

.explained-checklist article {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 1rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.explained-checklist__number {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  color: var(--white);
  background: var(--una-red);
  border-radius: 0.25rem;
  font-weight: 800;
}

.criterion-tag {
  margin-bottom: 0;
  color: var(--una-blue-dark);
  font-size: 0.9rem;
  font-weight: 800;
}

.comparison-card--problem {
  border-top: 0.45rem solid var(--una-red);
}

.comparison-card--solution {
  border-top: 0.45rem solid #18733c;
}

.comparison-card__label {
  margin-bottom: 0.35rem;
  color: var(--una-red);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comparison-card--solution .comparison-card__label {
  color: #146433;
}

.code-sample {
  overflow-x: auto;
  padding: 1rem;
  margin-block: 1.25rem;
  color: #ffffff;
  background: #182235;
  border-radius: 0.25rem;
  font-size: 0.9rem;
}

.code-sample code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.design-note {
  padding: 1.25rem;
  margin-top: 1.25rem;
  background: #e8f2fc;
  border-left: 0.35rem solid var(--una-blue);
}

.practice-section {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.practice-section > .activity {
  margin-top: 3rem;
}

.practice-section > .activity + .activity {
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.summary-sheet {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--ink);
  background: #f5f3ed;
  border: 1px solid #b9b6aa;
  box-shadow: inset 0 0 0 0.35rem rgba(185, 182, 170, 0.18);
}

.summary-sheet dl {
  margin: 2rem 0 0;
}

.summary-sheet dl > div {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) 1.2fr;
  gap: 1rem;
  padding-block: 0.9rem;
  border-top: 1px solid #b9b6aa;
}

.summary-sheet dt {
  font-weight: 800;
}

.summary-sheet dd {
  margin: 0;
}

.tutorial-pagination {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  font-weight: 700;
}

.tutorial-pagination span {
  color: var(--muted);
}

.practice-panel {
  margin-top: 1.5rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.classifier-card,
.reorder-card,
.landmark-explorer,
.rewrite-card,
.matcher-card,
.outline-quiz,
.semantic-builder,
.repair-lab,
.error-comparison,
.label-memory,
.review-flow,
.contrast-lab,
.signal-lab,
.zoom-lab,
.project-checklist {
  padding: clamp(1.25rem, 4vw, 2rem);
  margin-top: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.scenario-grid,
.rewrite-card {
  display: grid;
  gap: 1rem;
}

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

.scenario-grid label,
.rewrite-card label {
  font-weight: 700;
}

.scenario-grid select,
.rewrite-card input {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  margin-top: 0.55rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  font: inherit;
}

.rewrite-card input[aria-invalid="true"] {
  border-color: var(--una-red);
  box-shadow: 0 0 0 0.15rem rgba(177, 31, 48, 0.18);
}

.classifier-card > .button,
.reorder-card > .button,
.rewrite-card > .button,
.matcher-card > .button {
  margin-top: 1.5rem;
}

.reorder-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: reorder-step;
}

.reorder-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-left: 0.35rem solid var(--una-blue);
  border-radius: 0.25rem;
  counter-increment: reorder-step;
}

.reorder-list li > span:first-child::before {
  content: counter(reorder-step) ". ";
  font-weight: 800;
}

.reorder-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.reorder-controls button {
  min-width: 4.5rem;
  min-height: 2.75rem;
  padding: 0.45rem 0.7rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.2 var(--sans);
  cursor: pointer;
}

.reorder-controls button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.landmark-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.landmark-map button {
  display: grid;
  min-height: 5.5rem;
  align-content: center;
  gap: 0.25rem;
  padding: 1rem;
  color: var(--ink);
  background: #eef5fb;
  border: 2px solid var(--una-blue);
  border-radius: 0.3rem;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.landmark-map button[data-landmark="principal"] {
  grid-column: 1 / -1;
}

.landmark-map button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.landmark-map button span {
  font-size: 0.9rem;
}

.project-checklist {
  margin-top: 3rem;
  border-left: 0.45rem solid var(--una-red);
}

.project-checklist ul {
  margin-bottom: 0;
}

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

.outline-quiz {
  display: grid;
  gap: 0.75rem;
}

.outline-quiz legend {
  padding-inline: 0.35rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
}

.outline-quiz label {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  align-items: start;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  cursor: pointer;
}

.outline-quiz input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  accent-color: var(--una-blue);
}

.outline-quiz label strong,
.outline-quiz label code {
  display: block;
}

.outline-quiz label code {
  margin-top: 0.35rem;
  white-space: normal;
}

.outline-quiz > .button {
  justify-self: start;
  margin-top: 0.75rem;
}

.semantic-builder,
.repair-lab {
  display: grid;
  gap: 1rem;
}

.semantic-choice {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.semantic-choice p {
  margin-bottom: 0.75rem;
}

.semantic-choice [role="group"] {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.semantic-choice button,
.repair-lab button {
  min-height: 2.75rem;
  padding: 0.6rem 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.semantic-choice button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.semantic-builder > .button {
  justify-self: start;
  margin-top: 0.5rem;
}

.repair-lab article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.35rem 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-left: 0.35rem solid var(--una-red);
  border-radius: 0.3rem;
}

.repair-lab h4,
.repair-lab p {
  margin: 0;
}

.repair-lab h4,
.repair-lab p {
  grid-column: 1;
}

.repair-lab button {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.repair-lab button:disabled {
  color: #146433;
  background: #e9f7ef;
  border-color: #18733c;
  cursor: default;
}

.repair-lab [data-repair-after] span {
  display: block;
  margin-top: 0.35rem;
}

.error-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.error-comparison article {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.error-comparison h4,
.error-comparison p {
  margin: 0;
}

.error-comparison .mock-label {
  font-weight: 700;
}

.mock-input {
  min-height: 2.75rem;
  padding: 0.65rem 0.75rem;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 0.25rem;
}

.error-comparison article.is-tested .mock-input {
  border-color: var(--una-red);
  box-shadow: 0 0 0 0.15rem rgba(177, 31, 48, 0.18);
}

.error-comparison button,
.review-flow [data-edit-review] {
  min-height: 2.75rem;
  justify-self: start;
  padding: 0.6rem 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.error-comparison > .activity-feedback {
  grid-column: 1 / -1;
}

.label-memory__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.placeholder-demo,
.label-memory__fields > label {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.placeholder-demo p,
.label-memory__fields > label > strong,
.label-memory__fields > label > span {
  display: block;
  margin-bottom: 0.55rem;
}

.label-memory input,
.review-editor input {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  font: inherit;
}

.label-memory input[aria-invalid="true"],
.review-editor input[aria-invalid="true"] {
  border-color: var(--una-red);
  box-shadow: 0 0 0 0.15rem rgba(177, 31, 48, 0.18);
}

.label-memory > .button {
  margin-top: 1.5rem;
}

.review-flow h4 {
  margin-top: 0;
}

.review-flow dl {
  margin: 1rem 0 1.5rem;
  border-top: 1px solid var(--border);
}

.review-flow dl > div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.35fr) 1fr;
  gap: 1rem;
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.review-flow dt {
  font-weight: 800;
}

.review-flow dd {
  margin: 0;
}

.review-editor {
  max-width: 32rem;
  padding: 1rem;
  margin-top: 1rem;
  background: #eef5fb;
  border-left: 0.35rem solid var(--una-blue);
}

.review-editor label {
  font-weight: 700;
}

.review-editor input {
  margin-top: 0.55rem;
}

.review-flow > .button {
  margin-top: 1.5rem;
}

.status-example {
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  margin-block: 1.25rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
}

.status-dot,
.signal-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
}

.status-dot--green,
.signal-dot--green {
  background: #18733c;
}

.signal-dot--red {
  background: var(--una-red);
}

.contrast-controls,
.label-memory__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contrast-controls label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.3rem;
  font-weight: 700;
}

.contrast-controls input[type="color"] {
  width: 3.5rem;
  height: 3rem;
  padding: 0.15rem;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 0.25rem;
  cursor: pointer;
}

.contrast-presets,
.zoom-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.contrast-presets button,
.zoom-controls button {
  min-height: 2.75rem;
  padding: 0.6rem 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.contrast-sample {
  padding: 1.5rem;
  margin-block: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.3rem;
  font-size: 1rem;
  font-weight: 700;
}

.signal-demo {
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.signal-demo p {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.signal-demo .signal-link {
  color: var(--una-blue);
  text-decoration: none;
}

.signal-demo.is-enhanced .signal-link {
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
}

.signal-lab > .button:disabled {
  color: #146433;
  background: #e9f7ef;
  border-color: #18733c;
}

.zoom-controls {
  margin: 0 0 1rem;
}

.zoom-controls button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.zoom-demo {
  display: grid;
  gap: 0.75rem;
  max-width: 100%;
  padding: 1rem;
  overflow-wrap: anywhere;
  background: #eef5fb;
  border: 1px solid var(--border);
  border-left: 0.35rem solid var(--una-blue);
  border-radius: 0.3rem;
  transition: font-size 160ms ease;
}

.zoom-demo h4,
.zoom-demo p {
  margin: 0;
}

.zoom-demo[data-zoom-level="100"] {
  font-size: 1rem;
}

.zoom-demo[data-zoom-level="200"] {
  font-size: 1.5rem;
}

.zoom-demo[data-zoom-level="400"] {
  font-size: 2.1rem;
}

.plain-language-grid,
.language-lab {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.plain-language-grid article,
.language-lab > article {
  display: grid;
  align-content: start;
  gap: 0.8rem;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.plain-language-grid p,
.language-lab > article > p {
  margin: 0;
}

.plain-language-grid [data-plain-text] {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
}

.plain-language-grid button,
.scan-actions button,
.language-lab button {
  min-height: 2.75rem;
  padding: 0.6rem 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.plain-language-grid button:disabled {
  color: #146433;
  background: #e9f7ef;
  border-color: #18733c;
  cursor: default;
}

.plain-language-lab > .activity-feedback,
.language-lab > .activity-feedback {
  grid-column: 1 / -1;
}

.scan-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.scan-actions button[aria-pressed="true"],
.language-lab button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.scan-preview {
  padding: 1.25rem;
  background: #eef5fb;
  border: 1px solid var(--border);
  border-left: 0.35rem solid var(--una-blue);
  border-radius: 0.3rem;
}

.scan-preview h4 {
  margin: 0 0 0.75rem;
}

.scan-preview p {
  margin-block: 0;
}

.scan-preview ul {
  margin-bottom: 0;
}

.language-lab > article > div {
  display: flex;
  gap: 0.5rem;
}

.language-lab button {
  min-width: 3rem;
}

.language-lab [data-language-result] {
  min-height: 2.8rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.language-lab [data-language-result][data-result="correct"] {
  color: #146433;
}

.language-lab [data-language-result][data-result="incorrect"] {
  color: var(--una-red-dark);
}

.menu-comparison,
.control-intent-lab {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.menu-comparison > button,
.control-intent-lab > article {
  min-width: 0;
  padding: 1rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 0.3rem;
}

.menu-comparison > button {
  display: grid;
  gap: 0.75rem;
  text-align: left;
  cursor: pointer;
}

.menu-comparison > button:hover,
.menu-comparison > button:focus-visible {
  border-color: var(--una-blue);
}

.menu-comparison > button[aria-pressed="true"],
.menu-comparison > button.is-repaired {
  background: #e9f7ef;
  border-color: #18733c;
}

.menu-comparison span {
  overflow-wrap: anywhere;
  font-size: 0.9rem;
  line-height: 1.6;
}

.control-intent-lab > article {
  display: grid;
  align-content: start;
  gap: 0.75rem;
}

.control-intent-lab article p {
  margin: 0;
}

.control-intent-lab article > div {
  display: flex;
  gap: 0.5rem;
}

.control-intent-lab article button {
  flex: 1;
  min-height: 2.75rem;
  padding: 0.55rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.control-intent-lab article button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.control-intent-lab > .button,
.control-intent-lab > .answer-feedback {
  grid-column: 1 / -1;
  justify-self: start;
}

.status-lab {
  display: grid;
  gap: 1rem;
  max-width: 38rem;
}

.status-lab label {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.3rem;
  font-weight: 700;
}

.status-lab input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--una-blue);
}

.status-lab .button {
  justify-self: start;
}

.status-lab__message,
.focus-indicator {
  min-height: 1.75rem;
  margin: 0;
  font-weight: 700;
}

.focus-indicator {
  padding: 1rem;
  background: #eef5fb;
  border-left: 0.35rem solid var(--una-blue);
}

.session-warning,
.draft-recovery,
.feed-lab {
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.session-warning > p:first-child {
  margin-top: 0;
  font-family: var(--serif);
  font-size: 1.15rem;
}

.session-warning [data-time-value] {
  display: inline-block;
  min-width: 5rem;
  padding: 0.25rem 0.5rem;
  background: #eef5fb;
  border-radius: 0.2rem;
  font-weight: 800;
  text-align: center;
}

.session-warning > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.session-warning button {
  min-height: 2.75rem;
  padding: 0.6rem 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.session-warning button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.draft-recovery label {
  display: block;
  margin-bottom: 0.55rem;
  font-weight: 800;
}

.draft-recovery textarea {
  display: block;
  width: 100%;
  min-height: 7rem;
  padding: 0.75rem;
  margin-bottom: 1rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  font: inherit;
  resize: vertical;
}

.recovery-panel {
  padding: 1rem;
  background: #fff8e6;
  border-left: 0.35rem solid #b87300;
}

.recovery-panel p {
  margin-top: 0;
}

.feed-lab > .button {
  margin-bottom: 1rem;
}

.feed-lab ol {
  display: grid;
  gap: 0.5rem;
  max-height: 12rem;
  padding-left: 2.2rem;
  overflow: auto;
}

.feed-lab li {
  padding: 0.65rem;
  background: #eef5fb;
  border-left: 0.25rem solid var(--una-blue);
}

.flash-threshold > div,
.orientation-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.flash-threshold button,
.orientation-controls button {
  min-height: 2.75rem;
  padding: 0.6rem 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.95rem/1.3 var(--sans);
  cursor: pointer;
}

.flash-threshold button[aria-pressed="true"],
.orientation-controls button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.motion-control-lab,
.orientation-lab {
  display: grid;
  gap: 1rem;
}

.motion-track {
  position: relative;
  height: 4rem;
  overflow: hidden;
  background: #eef5fb;
  border: 1px solid var(--border);
  border-radius: 2rem;
}

.motion-dot {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--una-blue);
  border-radius: 50%;
}

.motion-track.is-running .motion-dot {
  animation: tutorial-motion 4s ease-in-out infinite alternate;
}

@keyframes tutorial-motion {
  from { transform: translateX(0); }
  to { transform: translateX(min(28rem, calc(100vw - 12rem))); }
}

.motion-control-lab > .button {
  justify-self: start;
}

.orientation-device {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  background: #eef5fb;
  border: 0.35rem solid var(--ink);
  border-radius: 1rem;
  transition: width 180ms ease, max-width 180ms ease;
}

.orientation-device[data-orientation="portrait"] {
  width: min(100%, 18rem);
}

.orientation-device[data-orientation="landscape"] {
  grid-template-columns: minmax(8rem, 0.7fr) 1fr;
  width: 100%;
  max-width: 38rem;
}

.orientation-device[data-orientation="landscape"] a {
  grid-column: 1 / -1;
}

.orientation-device h4,
.orientation-device p {
  margin: 0;
}

.alternative-classifier {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.alternative-classifier > article {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.3rem;
}

.alternative-classifier h4,
.alternative-classifier p {
  margin: 0;
}

.resource-sample {
  display: grid;
  min-height: 5rem;
  place-items: center;
  padding: 0.75rem;
  background: #eef5fb;
  border-radius: 0.25rem;
  color: var(--una-blue-dark);
  font: 800 1.3rem/1.2 var(--sans);
}

.resource-sample--stars {
  color: #8a5a00;
  letter-spacing: 0.35rem;
}

.resource-sample--search {
  font-size: 2.5rem;
}

.alternative-classifier article > div[role="group"] {
  display: grid;
  gap: 0.5rem;
}

.alternative-classifier article button,
.media-controls button {
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 0.92rem/1.3 var(--sans);
  cursor: pointer;
}

.alternative-classifier article button[aria-pressed="true"],
.media-controls button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue-dark);
}

.alternative-classifier > .button,
.alternative-classifier > .answer-feedback {
  grid-column: 1 / -1;
  justify-self: start;
}

.alt-choice .question-card {
  margin-top: 0;
}

.media-equivalence {
  display: grid;
  gap: 1rem;
}

.media-scene {
  display: grid;
  min-height: 13rem;
  align-content: center;
  gap: 0.75rem;
  padding: 1.25rem;
  color: var(--white);
  background: linear-gradient(135deg, #17365d, #0b5f72);
  border-radius: 0.3rem;
}

.media-scene > span {
  font-size: 2rem;
  text-align: center;
}

.media-scene p {
  padding: 0.65rem;
  margin: 0;
  color: var(--white);
  background: rgba(0, 0, 0, 0.72);
}

.media-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.media-transcript {
  padding: 1rem;
  background: #eef5fb;
  border-left: 0.35rem solid var(--una-blue);
}

.media-transcript h4 {
  margin-top: 0;
}

.practice-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.practice-actions a,
.practice-actions button {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--una-blue);
  border-radius: 0.25rem;
  font: 700 1rem/1.3 var(--sans);
  text-align: center;
  cursor: pointer;
}

.practice-actions button[aria-pressed="true"] {
  color: var(--white);
  background: var(--una-blue);
}

.practice-hint {
  padding: 1rem;
  background: #e8f2fc;
  border-left: 0.3rem solid var(--una-blue);
}

.activity-feedback,
.answer-feedback {
  min-height: 1.7rem;
  margin: 1.25rem 0 0;
  font-weight: 700;
}

.answer-feedback {
  padding: 1rem;
  background: #e9f7ef;
  border-left: 0.3rem solid #18733c;
}

.answer-feedback[data-result="incorrect"] {
  background: #fff1f0;
  border-left-color: var(--una-red);
}

.question-card,
.checklist-card {
  margin-top: 1.5rem;
}

.question-card legend {
  max-width: 54rem;
  margin-bottom: 1.25rem;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.45;
}

.answer-list,
.checklist-card {
  display: grid;
  gap: 0.75rem;
}

.answer-list label,
.checklist-card label {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.7rem;
  align-items: start;
  padding: 0.8rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  cursor: pointer;
}

.answer-list input,
.checklist-card input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0.15rem 0 0;
  accent-color: var(--una-blue);
}

.question-card .button {
  margin-top: 1.5rem;
}

.completion-card {
  border-top: 0.5rem solid var(--una-red);
}

.tutorial-aside {
  position: sticky;
  top: 5rem;
}

.tutorial-aside .aside-card + .aside-card {
  margin-top: 1rem;
}

.tutorial-toc ol {
  padding-left: 1.35rem;
}

.tutorial-toc a {
  display: block;
  padding: 0.15rem 0.5rem;
  border-left: 0.0625rem solid transparent;
  border-radius: 0.2rem;
}

.tutorial-toc a[aria-current="location"] {
  color: var(--una-blue-dark);
  background: #f3f7fb;
  border-left-color: var(--una-blue);
  font-weight: 700;
  text-decoration-thickness: 0.16em;
}

.reference-card {
  font-size: 0.92rem;
}

.reference-note {
  padding-top: 1rem;
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

/* Catálogo ampliable de tutoriales. */
.collection-hero {
  padding-block: clamp(3.5rem, 8vw, 7rem);
  background: linear-gradient(120deg, #f8fafc, #ffffff 58%, #f3e8e8);
  border-bottom: 1px solid var(--border);
}

.collection-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 0.7fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 6rem);
}

.collection-hero__lead {
  max-width: 50rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.collection-principle {
  padding: 1.5rem;
  background: var(--white);
  border-top: 0.45rem solid var(--una-red);
  box-shadow: var(--shadow);
}

.collection-principle p {
  margin: 0.5rem 0 0;
}

.collection-section {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.collection-heading {
  max-width: 52rem;
}

.tutorial-catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 3rem 0 0;
  list-style: none;
}

.tutorial-card {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.4rem;
}

.tutorial-card--available {
  background: var(--white);
  border: 2px solid var(--una-blue);
  box-shadow: var(--shadow);
}

.tutorial-card__number {
  color: var(--una-red);
  font: 900 1.3rem/1 var(--sans);
}

.tutorial-card__status {
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tutorial-card--available .tutorial-card__status {
  color: var(--una-blue-dark);
}

.tutorial-card h3 {
  margin-bottom: 0.75rem;
}

.tutorial-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 0;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  list-style: none;
}

.aside-card h2 {
  font-size: 1.35rem;
}

.aside-card h3 {
  margin-top: 2rem;
}

.aside-card li + li {
  margin-top: 0.6rem;
}

kbd {
  padding: 0.15em 0.4em;
  background: var(--white);
  border: 1px solid var(--border);
  border-bottom-width: 3px;
  border-radius: 0.2rem;
  font: 700 0.9em/1 var(--sans);
}

.tutorial-footer {
  padding-block: 2.5rem;
}

.tutorial-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.tutorial-footer__inner p {
  margin: 0;
}

.tutorial-footer__back {
  flex: 0 0 auto;
  font-weight: 800;
}

html[data-contrast="high"] .tutorial-hero,
html[data-contrast="high"] .tutorial-hero__outcomes,
html[data-contrast="high"] .tutorial-meta li,
html[data-contrast="high"] .collection-hero,
html[data-contrast="high"] .collection-principle,
html[data-contrast="high"] .tutorial-card,
html[data-contrast="high"] .key-idea,
html[data-contrast="high"] .concept-pair > div,
html[data-contrast="high"] .modality-card,
html[data-contrast="high"] .barrier-list article,
html[data-contrast="high"] .comparison-card,
html[data-contrast="high"] .practice-section,
html[data-contrast="high"] .summary-sheet,
html[data-contrast="high"] .practice-panel,
html[data-contrast="high"] .question-card,
html[data-contrast="high"] .checklist-card,
html[data-contrast="high"] .classifier-card,
html[data-contrast="high"] .reorder-card,
html[data-contrast="high"] .landmark-explorer,
html[data-contrast="high"] .rewrite-card,
html[data-contrast="high"] .matcher-card,
html[data-contrast="high"] .outline-quiz,
html[data-contrast="high"] .semantic-builder,
html[data-contrast="high"] .repair-lab,
html[data-contrast="high"] .error-comparison,
html[data-contrast="high"] .label-memory,
html[data-contrast="high"] .review-flow,
html[data-contrast="high"] .contrast-lab,
html[data-contrast="high"] .signal-lab,
html[data-contrast="high"] .zoom-lab,
html[data-contrast="high"] .outline-quiz label,
html[data-contrast="high"] .semantic-choice,
html[data-contrast="high"] .repair-lab article,
html[data-contrast="high"] .error-comparison article,
html[data-contrast="high"] .placeholder-demo,
html[data-contrast="high"] .label-memory__fields > label,
html[data-contrast="high"] .review-editor,
html[data-contrast="high"] .status-example,
html[data-contrast="high"] .contrast-controls label,
html[data-contrast="high"] .signal-demo,
html[data-contrast="high"] .zoom-demo,
html[data-contrast="high"] .plain-language-lab,
html[data-contrast="high"] .plain-language-grid article,
html[data-contrast="high"] .scan-builder,
html[data-contrast="high"] .scan-preview,
html[data-contrast="high"] .language-lab,
html[data-contrast="high"] .language-lab > article,
html[data-contrast="high"] .consistency-lab,
html[data-contrast="high"] .menu-comparison > button,
html[data-contrast="high"] .control-intent-lab,
html[data-contrast="high"] .control-intent-lab > article,
html[data-contrast="high"] .status-lab,
html[data-contrast="high"] .status-lab label,
html[data-contrast="high"] .focus-indicator,
html[data-contrast="high"] .time-control-lab,
html[data-contrast="high"] .session-warning,
html[data-contrast="high"] .session-warning [data-time-value],
html[data-contrast="high"] .draft-recovery,
html[data-contrast="high"] .draft-recovery textarea,
html[data-contrast="high"] .recovery-panel,
html[data-contrast="high"] .feed-lab,
html[data-contrast="high"] .feed-lab li,
html[data-contrast="high"] .flash-threshold,
html[data-contrast="high"] .motion-control-lab,
html[data-contrast="high"] .motion-track,
html[data-contrast="high"] .orientation-lab,
html[data-contrast="high"] .orientation-device,
html[data-contrast="high"] .alternative-classifier,
html[data-contrast="high"] .alternative-classifier > article,
html[data-contrast="high"] .resource-sample,
html[data-contrast="high"] .alt-choice,
html[data-contrast="high"] .media-equivalence,
html[data-contrast="high"] .media-scene,
html[data-contrast="high"] .media-transcript,
html[data-contrast="high"] .project-checklist,
html[data-contrast="high"] .reorder-list li,
html[data-contrast="high"] .completion-card,
html[data-contrast="high"] .aside-card,
html[data-contrast="high"] .mobile-toc__panel,
html[data-contrast="high"] .practice-hint,
html[data-contrast="high"] .answer-list label,
html[data-contrast="high"] .checklist-card label,
html[data-contrast="high"] .answer-feedback {
  color: #ffffff;
  background: #000000;
  border-color: #ffffff;
}

html[data-contrast="high"] .tutorial-hero__number,
html[data-contrast="high"] .tutorial-hero__outcomes li::marker {
  color: #ffdd00;
}

html[data-contrast="high"] .tutorial-hero__outcomes h2 {
  color: #ffffff;
}

html[data-contrast="high"] .tutorial-hero__summary,
html[data-contrast="high"] .section-lead,
html[data-contrast="high"] .criterion-tag,
html[data-contrast="high"] .reference-note,
html[data-contrast="high"] .tutorial-pagination span,
html[data-contrast="high"] .tutorial-card__status,
html[data-contrast="high"] .tutorial-card__meta {
  color: #ffffff;
}

html[data-contrast="high"] .language-lab [data-language-result][data-result] {
  color: #ffffff;
}

html[data-contrast="high"] .design-note,
html[data-contrast="high"] .code-sample {
  color: #ffffff;
  background: #000000;
  border-color: #ffffff;
}

html[data-contrast="high"] .modality-card__symbol,
html[data-contrast="high"] .explained-checklist__number {
  color: #000000;
  background: #ffdd00;
}

html[data-contrast="high"] .tutorial-progress,
html[data-contrast="high"] .practice-actions button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
}

html[data-contrast="high"] .mobile-toc__toggle {
  color: #ffffff;
  background: #000000;
  border-color: #ffffff;
}

html[data-contrast="high"] .practice-actions a,
html[data-contrast="high"] .practice-actions button,
html[data-contrast="high"] .reorder-controls button,
html[data-contrast="high"] .landmark-map button,
html[data-contrast="high"] .semantic-choice button,
html[data-contrast="high"] .repair-lab button,
html[data-contrast="high"] .error-comparison button,
html[data-contrast="high"] .review-flow [data-edit-review],
html[data-contrast="high"] .contrast-presets button,
html[data-contrast="high"] .zoom-controls button,
html[data-contrast="high"] .plain-language-grid button,
html[data-contrast="high"] .scan-actions button,
html[data-contrast="high"] .language-lab button,
html[data-contrast="high"] .control-intent-lab article button,
html[data-contrast="high"] .session-warning button,
html[data-contrast="high"] .flash-threshold button,
html[data-contrast="high"] .orientation-controls button,
html[data-contrast="high"] .alternative-classifier article button,
html[data-contrast="high"] .media-controls button,
html[data-contrast="high"] .scenario-grid select,
html[data-contrast="high"] .rewrite-card input,
html[data-contrast="high"] .label-memory input,
html[data-contrast="high"] .review-editor input,
html[data-contrast="high"] .mock-input,
html[data-contrast="high"] kbd {
  color: #ffffff;
  background: #000000;
  border-color: #ffffff;
}

html[data-contrast="high"] .landmark-map button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .semantic-choice button[aria-pressed="true"],
html[data-contrast="high"] .repair-lab button:disabled,
html[data-contrast="high"] .signal-lab > .button:disabled,
html[data-contrast="high"] .zoom-controls button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .plain-language-grid button:disabled,
html[data-contrast="high"] .scan-actions button[aria-pressed="true"],
html[data-contrast="high"] .language-lab button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .menu-comparison > button[aria-pressed="true"],
html[data-contrast="high"] .menu-comparison > button.is-repaired,
html[data-contrast="high"] .control-intent-lab article button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .session-warning button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .flash-threshold button[aria-pressed="true"],
html[data-contrast="high"] .orientation-controls button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .alternative-classifier article button[aria-pressed="true"],
html[data-contrast="high"] .media-controls button[aria-pressed="true"] {
  color: #000000;
  background: #ffdd00;
  border-color: #ffdd00;
}

html[data-contrast="high"] .motion-dot {
  background: #ffdd00;
}

html[data-contrast="high"] .contrast-sample {
  color: #ffffff !important;
  background: #000000 !important;
  border-color: #ffffff;
}

html[data-contrast="high"] .signal-demo .signal-link {
  color: #00ccff;
}

@media (min-width: 64.0625rem) and (min-height: 45rem) {
  .tutorial-progress {
    top: 6rem;
  }

  .tutorial-aside {
    top: 10rem;
  }
}

@media (max-width: 50rem) {
  .tutorial-identity__inner,
  .tutorial-hero__grid,
  .tutorial-layout,
  .tutorial-footer__inner,
  .collection-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .tutorial-identity__actions {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: space-between;
  }

  .tutorial-footer__back {
    justify-self: start;
  }

  .tutorial-progress__inner,
  .tutorial-meta,
  .practice-actions,
  .concept-pair,
  .comparison-grid,
  .modality-grid,
  .scenario-grid,
  .landmark-map,
  .structure-grid,
  .error-comparison,
  .label-memory__fields,
  .contrast-controls,
  .plain-language-grid,
  .language-lab,
  .menu-comparison,
  .control-intent-lab,
  .alternative-classifier,
  .tutorial-catalog {
    grid-template-columns: 1fr;
  }

  .tutorial-progress__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem 0.75rem;
  }

  .tutorial-progress progress {
    grid-column: 1 / -1;
  }

  .mobile-toc__toggle {
    display: inline-flex;
    min-width: 7rem;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.45rem 0.75rem;
    color: var(--white);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 0.25rem;
    font: 700 0.92rem/1.2 var(--sans);
    cursor: pointer;
  }

  .mobile-toc__toggle::after {
    content: "▾";
    font-size: 0.9em;
    transition: transform 160ms ease;
  }

  .mobile-toc__toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
  }

  .mobile-toc__panel:not([hidden]) {
    position: absolute;
    z-index: 2;
    top: 100%;
    right: 0;
    left: 0;
    display: block;
    max-height: 60vh;
    overflow-y: auto;
    padding: 1rem;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--border);
    border-top: 0;
    box-shadow: 0 1rem 2rem rgba(15, 23, 42, 0.18);
  }

  .mobile-toc__heading {
    margin-bottom: 0.65rem;
    color: var(--ink);
    font: 700 1rem/1.3 var(--serif);
  }

  .mobile-toc__panel ol {
    display: grid;
    gap: 0.2rem;
    max-width: 32rem;
    margin: 0;
  }

  .mobile-toc__panel a {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
  }

  .landmark-map button[data-landmark="principal"] {
    grid-column: auto;
  }

  .tutorial-aside {
    position: static;
  }

  .tutorial-aside > .tutorial-toc {
    display: none;
  }

  .summary-sheet dl > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .tutorial-pagination {
    flex-direction: column;
  }

  .reorder-list li {
    grid-template-columns: 1fr;
  }

  .repair-lab article {
    grid-template-columns: 1fr;
  }

  .repair-lab button {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
  }

  .review-flow dl > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 23rem) {
  .tutorial-identity__actions,
  .semantic-choice [role="group"],
  .language-lab > article > div,
  .control-intent-lab article > div,
  .session-warning > div,
  .flash-threshold > div,
  .orientation-controls,
  .media-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .tutorial-identity__actions {
    justify-content: start;
  }

  .semantic-choice button,
  .language-lab button,
  .control-intent-lab article button,
  .session-warning button,
  .flash-threshold button,
  .orientation-controls button,
  .media-controls button {
    width: 100%;
    min-width: 0;
  }
}

@media (forced-colors: active) {
  .key-idea,
  .practice-panel,
  .question-card,
  .checklist-card,
  .classifier-card,
  .reorder-card,
  .landmark-explorer,
  .rewrite-card,
  .matcher-card,
  .outline-quiz,
  .semantic-builder,
  .repair-lab,
  .error-comparison,
  .label-memory,
  .review-flow,
  .contrast-lab,
  .signal-lab,
  .zoom-lab,
  .plain-language-lab,
  .scan-builder,
  .language-lab,
  .consistency-lab,
  .control-intent-lab,
  .status-lab,
  .time-control-lab,
  .draft-recovery,
  .feed-lab,
  .flash-threshold,
  .motion-control-lab,
  .orientation-lab,
  .alternative-classifier,
  .alt-choice,
  .media-equivalence,
  .outline-quiz label,
  .semantic-choice,
  .repair-lab article,
  .error-comparison article,
  .placeholder-demo,
  .label-memory__fields > label,
  .review-editor,
  .status-example,
  .contrast-controls label,
  .signal-demo,
  .zoom-demo,
  .plain-language-grid article,
  .language-lab > article,
  .scan-preview,
  .menu-comparison > button,
  .control-intent-lab > article,
  .status-lab label,
  .focus-indicator,
  .session-warning,
  .draft-recovery textarea,
  .recovery-panel,
  .feed-lab li,
  .motion-track,
  .orientation-device,
  .alternative-classifier > article,
  .resource-sample,
  .media-scene,
  .media-transcript,
  .project-checklist,
  .reorder-list li,
  .completion-card,
  .aside-card,
  .concept-pair > div,
  .modality-card,
  .barrier-list article,
  .comparison-card,
  .summary-sheet,
  .tutorial-card,
  .practice-actions a,
  .practice-actions button,
  .reorder-controls button,
  .landmark-map button,
  .semantic-choice button,
  .repair-lab button,
  .error-comparison button,
  .review-flow [data-edit-review],
  .contrast-presets button,
  .zoom-controls button,
  .plain-language-grid button,
  .scan-actions button,
  .language-lab button,
  .control-intent-lab article button,
  .session-warning button,
  .flash-threshold button,
  .orientation-controls button,
  .alternative-classifier article button,
  .media-controls button,
  .scenario-grid select,
  .rewrite-card input,
  .label-memory input,
  .review-editor input,
  .mock-input {
    border: 2px solid CanvasText;
  }

  .mobile-toc__toggle,
  .mobile-toc__panel {
    border: 2px solid CanvasText;
  }

  .landmark-map button[aria-pressed="true"] {
    color: HighlightText;
    background: Highlight;
  }

  .tutorial-toc a[aria-current="location"] {
    color: LinkText;
    background: Canvas;
    border-left-color: Highlight;
    forced-color-adjust: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .motion-track.is-running .motion-dot {
    animation: none;
  }

  .orientation-device {
    transition: none;
  }

  .mobile-toc__toggle::after {
    transition: none;
  }
}