/* Shared: lesson list + lesson reader + embedded admin preview */

/* Match team / admin: wide shell + padded inner card (see .app-shell, .card in styles.css). */
main.app-shell.app-shell--lessons {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  background-color: var(--bg);
}

.app-shell--lessons {
  max-width: min(1200px, 100%);
}

.lessons-page.lessons-page--reader .lesson-view {
  max-width: none;
  width: 100%;
}

.lessons-back-wrap {
  margin: 0 0 0.75rem;
}

.lessons-back-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.lessons-back-link:hover {
  text-decoration: underline;
}

.lessons-page {
  position: relative;
}

.lessons-page__intro {
  margin: 0 0 1.5rem;
  padding: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: none;
}

/* Screen-reader-only anchors so Learn search can include courses/lessons not rendered in lists. */
.learn-search-virtual-host {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  border: 0;
}

.learn-search-virtual-host__anchor {
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
}

.lessons-cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 1.25rem 1.5rem;
  margin: 0;
}

.lessons-cert-block {
  min-width: 0;
}

.lessons-cert-block--soon {
  opacity: 0.55;
  pointer-events: none;
}

.lessons-cert-visual-wrap {
  position: relative;
}

.lessons-cert-visual__placement {
  position: absolute;
  top: 0.5rem;
  left: 0.55rem;
  z-index: 2;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.94);
  color: #213c55;
  box-shadow: 0 1px 4px rgba(33, 60, 85, 0.12);
  pointer-events: none;
}

.lessons-cert-visual {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 120, 200, 0.28);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

a.lessons-cert-visual:hover {
  border-color: var(--accent-fill);
  box-shadow: 0 4px 14px rgba(33, 59, 85, 0.1);
}

a.lessons-cert-visual:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.lessons-cert-visual__inner {
  display: grid;
  grid-template-columns: 1fr minmax(7.5rem, 38%);
  min-height: 9.5rem;
}

.lessons-cert-visual__left {
  padding: 1rem 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--surface);
}

.lessons-cert-visual__titles {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.lessons-cert-visual__line1 {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent-fill);
}

.lessons-cert-visual__line2 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.25;
  color: var(--text);
  max-width: 14rem;
}

.lessons-cert-visual__badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.lessons-cert-visual__badge-mark {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
  background: var(--text);
  color: var(--surface);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  font-size: 0.6rem;
}

.lessons-cert-visual__badge-text {
  color: var(--text);
  font-size: 0.62rem;
}

.lessons-cert-visual__right {
  position: relative;
  background: var(--accent-fill);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lessons-cert-visual__right::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.14) 1px,
    transparent 1px
  );
  background-size: 10px 10px;
  opacity: 0.55;
  pointer-events: none;
}

.lessons-cert-visual__art {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: 7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lessons-cert-visual__pie {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 50%;
  background: conic-gradient(
    #7fd4a8 0deg 115deg,
    #ffffff 115deg 245deg,
    #5eb3e8 245deg 360deg
  );
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.lessons-cert-visual__spark {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.lessons-cert-visual__spark--1 {
  width: 1.35rem;
  height: 1.35rem;
  top: 18%;
  right: 14%;
  opacity: 0.95;
}

.lessons-cert-visual__spark--2 {
  width: 0.65rem;
  height: 0.65rem;
  bottom: 22%;
  left: 18%;
  background: #ffd54a;
  opacity: 0.95;
}

.lessons-cert-visual__spark--3 {
  width: 0.5rem;
  height: 0.5rem;
  top: 28%;
  left: 22%;
  opacity: 0.75;
}

.lessons-cert-text {
  margin-top: 0.85rem;
  padding: 0 0.15rem;
}

.lessons-cert-text__headline {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.lessons-cert-text__body {
  margin: 0 0 0.85rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text);
}

.lessons-cert-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
}

.lessons-cert-actions__muted {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
}

.lessons-cert-actions__hint {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted);
  max-width: none;
}

.lessons-cert-actions__code {
  font-size: 0.8em;
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
}

a.lessons-cert-btn,
button.lessons-cert-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-control);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  font-family: inherit;
  cursor: pointer;
  box-sizing: border-box;
}

a.lessons-cert-btn:focus-visible,
button.lessons-cert-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

a.lessons-cert-btn--primary,
button.lessons-cert-btn--primary {
  border: none;
  background: var(--accent-fill);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow);
}

a.lessons-cert-btn--primary:hover,
button.lessons-cert-btn--primary:hover {
  background: var(--accent-fill-hover);
  color: var(--color-text-on-primary);
  text-decoration: none;
}

a.lessons-cert-btn--secondary,
button.lessons-cert-btn--secondary {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--border);
}

a.lessons-cert-btn--secondary:hover,
button.lessons-cert-btn--secondary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}

/* Locked L2/L3 assessments: real button, same chrome as secondary link (L1) */
button.lessons-cert-btn--secondary:disabled {
  opacity: 0.72;
  cursor: not-allowed;
  background: var(--surface);
  color: var(--muted);
  border-color: var(--border);
  box-shadow: none;
}

button.lessons-cert-btn--secondary:disabled:hover {
  border-color: var(--border);
  background: var(--surface);
  color: var(--muted);
}

.lessons-extra {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.lessons-extra__title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.lessons-extra__intro {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.lessons-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lessons-list__link {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.lessons-list__link:hover {
  background: var(--surface-muted, rgba(0, 0, 0, 0.04));
  border-color: var(--muted);
}

.lessons-list__meta {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--muted);
}

.lessons-list__excerpt {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.45;
}

.lessons-course-card__excerpt {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--muted);
}

.lesson-view {
  max-width: none;
  width: 100%;
  box-sizing: border-box;
}

.lesson-view-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(11rem, 15rem);
  gap: 1.5rem 2rem;
  align-items: start;
  width: 100%;
}

.lesson-view-layout__main {
  min-width: 0;
}

.lesson-view-layout__aside {
  position: sticky;
  top: 1rem;
  align-self: start;
}

.lesson-view-toc__title {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.lesson-view-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--border);
}

.lesson-view-toc__item {
  margin: 0;
}

.lesson-view-toc__link {
  display: block;
  padding: 0.35rem 0 0.35rem 0.75rem;
  margin-left: -2px;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  line-height: 1.35;
}

.lesson-view-toc__link:hover {
  color: var(--accent-fill, #0078c8);
  border-left-color: var(--accent-fill, #0078c8);
}

@media (max-width: 800px) {
  .lesson-view-layout {
    grid-template-columns: 1fr;
  }

  .lesson-view-layout__aside {
    position: static;
    order: -1;
    padding-bottom: 1rem;
    margin-bottom: 0.25rem;
    border-bottom: 1px solid var(--border);
  }

  .lesson-view-toc__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    border-left: none;
  }

  .lesson-view-toc__link {
    margin-left: 0;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
  }

  .lesson-view-toc__link:hover {
    border-left-color: var(--border);
    border-color: var(--accent-fill, #0078c8);
  }
}

.lesson-view--embedded {
  max-width: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
}

.lesson-view-block {
  margin-bottom: 1.5rem;
  scroll-margin-top: 1.25rem;
}

.lesson-view-block:last-child {
  margin-bottom: 0;
}

.lesson-view-block-intro {
  margin-bottom: 0.85rem;
}

.lesson-view-block-intro__title {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.lesson-view-block-intro__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Same horizontal padding as themed blocks; used when there is no colour theme but there is a block intro. */
.lesson-view-block-stack {
  box-sizing: border-box;
  padding: 1.25rem 1.35rem;
  border-radius: 10px;
}

.lesson-block-skin .lesson-view-block-intro,
.lesson-hero .lesson-view-block-intro {
  margin-bottom: 0.85rem;
}

.lesson-block-skin .lesson-view-block-intro__title,
.lesson-hero .lesson-view-block-intro__title {
  color: inherit;
}

.lesson-block-skin .lesson-view-block-intro__desc,
.lesson-hero .lesson-view-block-intro__desc {
  color: inherit;
  opacity: 0.9;
}

.lesson-block-skin--blue .lesson-view-block-intro__desc,
.lesson-hero--blue .lesson-view-block-intro__desc {
  opacity: 0.92;
}

.lesson-view-block-intro--hero {
  grid-column: 1 / -1;
  max-width: 100%;
}

.lesson-view-richtext {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
}

.lesson-view-richtext h2,
.lesson-view-richtext h3,
.lesson-view-richtext h4 {
  margin: 1.25rem 0 0.5rem;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lesson-view-richtext h2 {
  font-size: 1.35rem;
}

.lesson-view-richtext h3 {
  font-size: 1.15rem;
}

.lesson-view-richtext h4 {
  font-size: 1.05rem;
}

.lesson-view-richtext p {
  margin: 0 0 0.75rem;
}

.lesson-view-richtext ul,
.lesson-view-richtext ol {
  margin: 0 0 0.75rem;
  padding-left: 1.35rem;
}

.lesson-view-richtext blockquote {
  margin: 0 0 0.75rem;
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.lesson-view-richtext a {
  color: var(--link, #0d6efd);
  text-decoration: underline;
}

.lesson-view-figure {
  margin: 0;
}

.lesson-view-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.lesson-view-caption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.lesson-view-video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #111;
}

.lesson-view-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Arcade embed: aspect ratio + space for Arcade chrome (matches typical embed snippet). */
.lesson-view-arcade {
  position: relative;
  width: 100%;
  padding-bottom: calc(56.25% + 41px);
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}

.lesson-view-arcade__iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  color-scheme: light;
}

.lesson-view-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.lesson-view-details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0 0.75rem;
}

.lesson-view-summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.65rem 0;
  list-style: none;
}

.lesson-view-summary::-webkit-details-marker {
  display: none;
}

.lesson-view-details[open] .lesson-view-summary {
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.lesson-view-accordion-body {
  padding-bottom: 0.75rem;
}

/* Knowledge check (learner self-check; not stored or scored) */
.lesson-view-knowledge-check {
  margin-top: 0.15rem;
}

.lesson-view-knowledge-check__prompt {
  margin-bottom: 1rem;
}

.lesson-view-knowledge-check__prompt p:last-child {
  margin-bottom: 0;
}

.lesson-view-knowledge-check__fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 1rem 1rem;
  margin: 0 0 1rem;
  background: var(--surface);
}

.lesson-view-knowledge-check__legend {
  font-weight: 600;
  padding: 0 0.35rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.lesson-view-knowledge-check__option {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0.5rem 0 0;
  cursor: pointer;
  font-size: 0.9375rem;
  line-height: 1.45;
}

.lesson-view-knowledge-check__input {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.lesson-view-knowledge-check__actions {
  margin-bottom: 0.35rem;
}

.lesson-view-knowledge-check__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.lesson-view-knowledge-check__btn:hover {
  background: var(--bg);
  border-color: var(--muted);
}

.lesson-view-knowledge-check__feedback {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0;
  padding: 0.5rem 0 0;
}

.lesson-view-knowledge-check__feedback--ok {
  color: #0d7a4f;
}

.lesson-view-knowledge-check__feedback--bad {
  color: #b42318;
}

.lesson-view-knowledge-check__feedback.lesson-view-richtext {
  font-weight: 400;
}

.lesson-view-knowledge-check__feedback.lesson-view-richtext p {
  margin: 0 0 0.35rem;
}

.lesson-view-knowledge-check__feedback.lesson-view-richtext p:last-child {
  margin-bottom: 0;
}

.lesson-block-skin--blue .lesson-view-knowledge-check__fieldset {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
}

.lesson-block-skin--blue .lesson-view-knowledge-check__legend,
.lesson-block-skin--blue .lesson-view-knowledge-check__option {
  color: #ffffff;
}

.lesson-block-skin--blue .lesson-view-knowledge-check__btn {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

.lesson-block-skin--blue .lesson-view-knowledge-check__btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.55);
}

.lesson-block-skin--blue .lesson-view-knowledge-check__feedback--ok {
  color: #b8f5d9;
}

.lesson-block-skin--blue .lesson-view-knowledge-check__feedback--bad {
  color: #ffd4d1;
}

.lesson-block-skin--grey .lesson-view-knowledge-check__fieldset,
.lesson-block-skin--green .lesson-view-knowledge-check__fieldset,
.lesson-block-skin--white .lesson-view-knowledge-check__fieldset {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(33, 60, 85, 0.12);
}

.lesson-knowledge-check-editor__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
}

.lesson-knowledge-check-editor__row .admin-input {
  flex: 1 1 12rem;
  min-width: 0;
}

.lesson-knowledge-check-editor__correct {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* Themed hero band (lesson themes: blue, grey, green, white) */
/* Optional theme wrapper around rich text, image, video, accordion */
.lesson-block-skin {
  border-radius: 10px;
  padding: 1.25rem 1.35rem;
  margin: 0;
  box-sizing: border-box;
}

.lesson-block-skin--blue {
  background-color: #0078c8;
  color: #ffffff;
}

.lesson-block-skin--grey {
  background-color: #ecf2f6;
  color: #213c55;
}

.lesson-block-skin--green {
  background-color: #6eefc1;
  color: #213c55;
}

.lesson-block-skin--white {
  background-color: #ffffff;
  color: #213c55;
}

.lesson-block-extras {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(33, 60, 85, 0.12);
}

.lesson-block-skin--blue .lesson-block-extras {
  border-top-color: rgba(255, 255, 255, 0.28);
}

.lesson-block-extras__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  justify-content: flex-start;
}

.lesson-block-extras__cta {
  flex: 0 0 auto;
}

.lesson-block-extras__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.lesson-block-extras__btn--ghost-light {
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  color: #ffffff;
  background: transparent;
}

.lesson-block-extras__btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.lesson-block-extras__btn--outline-dark {
  border: 1.5px solid #213c55;
  color: #213c55;
  background: transparent;
}

.lesson-block-extras__btn--outline-dark:hover {
  background: rgba(33, 60, 85, 0.07);
  text-decoration: none;
}

.lesson-block-extras__btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.lesson-block-extras__media {
  flex: 0 0 auto;
}

.lesson-block-extras__circle {
  width: 6.5rem;
  height: 6.5rem;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(33, 60, 85, 0.18);
  background: rgba(255, 255, 255, 0.65);
}

.lesson-block-skin--blue .lesson-block-extras__circle {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.15);
}

.lesson-block-extras__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lesson-block-skin--blue .lesson-view-richtext,
.lesson-block-skin--blue .lesson-view-caption {
  color: rgba(255, 255, 255, 0.95);
}

.lesson-block-skin--blue .lesson-view-richtext a {
  color: #ffffff;
}

.lesson-block-skin--grey .lesson-view-richtext,
.lesson-block-skin--grey .lesson-view-caption,
.lesson-block-skin--green .lesson-view-richtext,
.lesson-block-skin--green .lesson-view-caption,
.lesson-block-skin--white .lesson-view-richtext,
.lesson-block-skin--white .lesson-view-caption {
  color: #213c55;
}

.lesson-block-skin--grey .lesson-view-richtext a,
.lesson-block-skin--green .lesson-view-richtext a,
.lesson-block-skin--white .lesson-view-richtext a {
  color: var(--accent-fill, #0078c8);
}

.lesson-block-skin--blue .lesson-view-details,
.lesson-block-skin--grey .lesson-view-details,
.lesson-block-skin--green .lesson-view-details,
.lesson-block-skin--white .lesson-view-details {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
}

.lesson-block-skin--grey .lesson-view-details,
.lesson-block-skin--green .lesson-view-details,
.lesson-block-skin--white .lesson-view-details {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(33, 60, 85, 0.12);
}

.lesson-view-block--hero {
  margin-bottom: 1.75rem;
}

.lesson-hero {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(33, 60, 85, 0.08);
}

.lesson-hero--blue {
  background-color: #0078c8;
  color: #ffffff;
}

.lesson-hero--grey {
  background-color: #ecf2f6;
  color: #213c55;
}

.lesson-hero--green {
  background-color: #6eefc1;
  color: #213c55;
}

.lesson-hero--white {
  background-color: #ffffff;
  color: #213c55;
  box-shadow: none;
}

.lesson-hero__inner {
  display: grid;
  grid-template-columns: 1fr minmax(8rem, 38%);
  gap: 1.25rem 1.5rem;
  align-items: center;
  padding: 1.65rem 1.35rem;
}

@media (max-width: 640px) {
  .lesson-hero__inner {
    grid-template-columns: 1fr;
  }

  .lesson-hero__media {
    order: -1;
    max-width: 12rem;
    margin: 0 auto;
  }
}

.lesson-hero__headline {
  margin: 0 0 0.6rem;
  font-size: clamp(1.35rem, 3.8vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.lesson-hero__sub {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  max-width: 38rem;
}

.lesson-hero__sub p {
  margin: 0 0 0.5rem;
}

.lesson-hero__sub p:last-child {
  margin-bottom: 0;
}

.lesson-hero--blue .lesson-hero__sub {
  color: rgba(255, 255, 255, 0.94);
}

.lesson-hero--blue .lesson-hero__sub a {
  color: #ffffff;
  text-decoration: underline;
}

.lesson-hero--grey .lesson-hero__sub a,
.lesson-hero--green .lesson-hero__sub a,
.lesson-hero--white .lesson-hero__sub a {
  color: var(--accent-fill, #0078c8);
  text-decoration: underline;
}

.lesson-hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.lesson-hero__btn--ghost-light {
  border: 1.5px solid rgba(255, 255, 255, 0.92);
  color: #ffffff;
  background: transparent;
}

.lesson-hero__btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.14);
  text-decoration: none;
}

.lesson-hero__btn--outline-dark {
  border: 1.5px solid #213c55;
  color: #213c55;
  background: transparent;
}

.lesson-hero__btn--outline-dark:hover {
  background: rgba(33, 60, 85, 0.08);
  text-decoration: none;
}

.lesson-hero__btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.lesson-hero__media {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 6.5rem;
}

.lesson-hero__circle {
  width: 100%;
  max-width: 11.5rem;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.2);
}

.lesson-hero--grey .lesson-hero__circle,
.lesson-hero--green .lesson-hero__circle,
.lesson-hero--white .lesson-hero__circle {
  border-color: rgba(33, 60, 85, 0.22);
  background: rgba(255, 255, 255, 0.72);
}

.lesson-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lesson-admin-subtabs {
  margin-bottom: 0.25rem;
}

.admin-toolbar--wrap {
  flex-wrap: wrap;
  gap: var(--admin-toolbar-gap-row, 0.5rem) var(--admin-toolbar-gap-col, 0.75rem);
  align-items: center;
}

.admin-check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.45;
  cursor: pointer;
}

.admin-check-input {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.course-lesson-order {
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.course-lesson-order__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--admin-btn-gap, 0.5rem) var(--admin-toolbar-gap-col, 0.75rem);
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.course-lesson-order__title {
  font-weight: 600;
  flex: 1 1 8rem;
}

.course-lesson-order__id {
  font-size: 0.8125rem;
  color: var(--muted);
}

.lessons-kind-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  line-height: 1.2;
  vertical-align: middle;
}

.lessons-kind-badge--course {
  background: var(--accent-soft, rgba(13, 112, 190, 0.12));
  color: var(--accent, #0d70be);
}

.lessons-kind-badge--lesson {
  background: var(--surface-muted, rgba(0, 0, 0, 0.06));
  color: var(--muted);
}

.lessons-kind-badge--member {
  background: rgba(100, 120, 140, 0.12);
  color: var(--text);
}

.lessons-cert-kind {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.lessons-cert-course-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.lessons-cert-course-link:hover {
  text-decoration: underline;
}

.lessons-cert-kind__hint {
  font-size: 0.8125rem;
  color: var(--muted);
}

.learn-section {
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.learn-section--certifications {
  margin-top: 1.5rem;
  padding-top: 0;
  border-top: none;
}

.learn-section__title {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.learn-section__intro {
  margin: 0 0 1.15rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
  max-width: none;
}

.learn-section__subhead {
  margin: 1.25rem 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.learn-section__subintro {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
  max-width: none;
}

.learn-cert-extra-list {
  margin-top: 0.25rem;
}

.learn-section__empty {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.learn-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14.5rem, 1fr));
  gap: 1rem;
}

.learn-badge-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.learn-badge-card--soon {
  opacity: 0.92;
}

/* Payroll: wide enough for Open course + Open lesson + Assessments on one row (cert tiles use ~320px min). */
@media (min-width: 540px) {
  .learn-badges-grid .learn-badge-card--payroll {
    grid-column: span 2;
  }
}

.learn-badge-card--payroll .lessons-cert-actions {
  flex-wrap: nowrap;
  margin-top: auto;
}

@media (max-width: 539.98px) {
  .learn-badge-card--payroll .lessons-cert-actions {
    flex-wrap: wrap;
  }
}

.learn-badge-card__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

.learn-badge-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  align-items: center;
  margin-top: auto;
}

.learn-badge-card__hint {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--muted);
  flex: 1 1 100%;
}

.learn-badge-card__muted {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
}

.lessons-kind-badge--specialist {
  background: rgba(45, 125, 70, 0.14);
  color: rgb(28, 95, 50);
}

.lessons-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
}

.lessons-course-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lessons-course-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.lessons-course-card__meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.lessons-page__course-label {
  margin: 0 0 0.25rem;
}

.course-view-lessons {
  margin: 0.75rem 0 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.course-view-lessons__item {
  padding-left: 0;
}

.course-view-lessons__index {
  flex-shrink: 0;
  min-width: 2.1rem;
  margin-top: 0.12rem;
  text-align: right;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--muted);
}

.course-view-lessons__link {
  font-weight: 600;
  color: var(--brand-navy, #213b55);
  text-decoration: none;
}

.course-view-lessons__link:hover {
  color: var(--accent-fill, #0078c8);
  text-decoration: underline;
}

.course-view-lessons__warn {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.lesson-view-course-progress {
  margin: 0 0 1.25rem;
}

.lesson-view-course-progress__hint {
  display: block;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--muted);
  max-width: 40rem;
}

.lesson-view-course-progress__next {
  display: block;
  margin-top: 0.55rem;
}

.lesson-view-course-progress__next:empty {
  display: none;
}

.lesson-view-course-progress__next-link {
  font-weight: 600;
}

.lesson-kc-completion-toast {
  position: fixed;
  bottom: max(1rem, calc(env(safe-area-inset-bottom, 0px) + 0.75rem));
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: min(26rem, calc(100vw - 2rem));
  padding: 1rem 1.1rem;
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow:
    0 -0.35rem 1.25rem rgba(15, 23, 42, 0.08),
    0 0.5rem 1.5rem rgba(15, 23, 42, 0.1);
}

.lesson-kc-completion-toast__title {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
}

.lesson-kc-completion-toast__body {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--muted);
}

.lesson-kc-completion-toast__dismiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}

.lesson-kc-completion-toast__dismiss:hover {
  border-color: var(--muted);
  background: var(--surface);
}

.lesson-kc-completion-toast__link {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Testing: mirror assessment #app.app--chooser + .cert-progress-clear narrow layout (styles.css). */
main.app-shell.app-shell--lessons.lesson-learn-with-clear-btn {
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 640px) {
  main.app-shell.app-shell--lessons.lesson-learn-with-clear-btn {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-sizing: border-box;
  }

  main.app-shell.app-shell--lessons.lesson-learn-with-clear-btn > .card {
    flex: 1 1 auto;
    min-height: 0;
  }

  main.app-shell.app-shell--lessons.lesson-learn-with-clear-btn > .cert-progress-clear {
    position: static;
    align-self: stretch;
    width: 100%;
    max-width: none;
    margin-top: 0;
    flex-shrink: 0;
    font-size: 0.875rem;
    padding: 0.65rem 1rem;
    margin-bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
  }
}

.course-view-intro {
  display: grid;
  gap: 1.25rem;
  align-items: start;
  margin: 0 0 1.25rem;
}

.course-view-intro__text {
  margin: 0;
  max-width: none;
}

.course-view-intro__video {
  width: 100%;
}

.course-view-intro__video wistia-player {
  display: block;
  width: 100%;
  max-width: 100%;
}

@media (min-width: 768px) {
  .course-view-intro--with-video.course-view-intro--has-text {
    grid-template-columns: 1fr minmax(260px, 40%);
  }

  .course-view-intro--with-video:not(.course-view-intro--has-text) {
    justify-items: center;
  }

  .course-view-intro--with-video:not(.course-view-intro--has-text) .course-view-intro__video {
    width: 100%;
    max-width: 42rem;
  }
}

.course-view-progress {
  margin: 0 0 1.5rem;
  max-width: none;
}

.course-view-progress__labels {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.course-view-progress__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.course-view-progress__count {
  font-size: 0.8125rem;
  color: var(--muted);
}

.course-view-progress__track {
  height: 0.45rem;
  border-radius: 999px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.08));
  overflow: hidden;
  border: 1px solid var(--border);
}

.course-view-progress__fill {
  height: 100%;
  border-radius: inherit;
  background: var(--accent-fill);
  transition: width 0.2s ease;
  min-width: 0;
}

.course-view-progress-hint {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
  max-width: none;
}

.course-view-section {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.course-view-section:first-of-type {
  margin-top: 0.5rem;
  padding-top: 0;
  border-top: none;
}

.course-view-section__title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
}

.course-view-section__desc {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: none;
}

.course-view-lessons__row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.course-view-lessons__status {
  flex-shrink: 0;
  padding-top: 0.12rem;
}

.course-view-lessons__toggle {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.course-view-lessons__toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.course-view-lessons__toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.course-view-lessons__marker {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: help;
}

.course-view-lessons__ring {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  border: 2px solid var(--muted);
  display: block;
}

.course-view-lessons__tick {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-fill);
  line-height: 1;
}

.course-view-lessons__item--done .course-view-lessons__link {
  color: var(--muted);
}

.course-view-lessons__item--done .course-view-lessons__link:hover {
  color: var(--muted);
}

.course-view-lessons__main {
  flex: 1;
  min-width: 0;
  padding-top: 0.12rem;
  line-height: 1.35;
}

.course-view-lessons__missing {
  font-weight: 600;
  color: var(--text);
}

.lessons-list__link .lessons-kind-badge {
  margin-right: 0.35rem;
}

/* —— Learn page: search, product filters, pills —— */
.learn-toolbar {
  margin: 1.25rem 0 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.learn-toolbar__search {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.learn-toolbar__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
}

.learn-toolbar__input {
  max-width: 32rem;
  width: 100%;
}

.learn-toolbar__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.learn-filter-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.learn-filter-toggle--pill {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.learn-filter-toggle--pill:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.learn-filter-toggle--pill[aria-pressed="true"] {
  border-color: var(--accent-fill);
  background: var(--accent-fill);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow);
}

.learn-search-panel {
  margin: 0 0 1.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.learn-search-panel--idle {
  display: none;
}

.learn-search-panel__title {
  margin: 0 0 0.65rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.learn-search-panel__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem 1.25rem;
  align-items: start;
}

@media (max-width: 720px) {
  .learn-search-panel__layout {
    grid-template-columns: 1fr;
  }
}

.learn-search-hits {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 18rem;
  overflow: auto;
}

.learn-search-hit {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-control);
  border: 1px solid var(--border);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.learn-search-hit:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.learn-search-hit--active {
  border-color: var(--accent-fill);
  background: var(--accent-soft);
  box-shadow: 0 0 0 1px var(--accent-fill);
}

.learn-search-hit__sub {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
}

.learn-search-meta__title {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.learn-search-meta__section {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.learn-search-meta__link {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.learn-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.45rem;
  align-items: center;
}

.learn-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-control);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  line-height: 1.3;
}

.learn-pill--meta {
  background: var(--surface);
  color: var(--text);
}

.learn-pill--product {
  border-color: rgba(13, 110, 253, 0.28);
  background: var(--accent-soft);
  color: var(--accent);
}

.learn-card-product-tags {
  margin-top: 0.45rem;
}

.learn-filterable--hidden {
  display: none !important;
}

.learn-section.learn-section--all-filtered {
  display: none;
}

a.lessons-cert-btn--disabled,
button.lessons-cert-btn--disabled,
span.lessons-cert-btn--disabled {
  opacity: 0.52;
  cursor: not-allowed;
  pointer-events: none;
  text-decoration: none;
}

.learn-badge-card__body {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text);
}

.learn-admin-product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}