/**
 * @file
 * WL Education — hub, section + lesson layout, sidebar and prose. Uses the
 * darkblue design tokens when present, but each has a fallback so the module
 * stands on its own on a bare Drupal site (its own education website).
 */

.wl-edu {
  --edu-accent: var(--color-accent-primary, #003bff);
  --edu-accent-hover: var(--color-accent-hover, #194eff);
  --edu-bg: var(--color-bg-surface, #0b1020);
  --edu-border: var(--color-border-subtle, rgba(255, 255, 255, 0.1));
  --edu-text: var(--color-text-primary, #ffffff);
  --edu-muted: var(--color-text-secondary, rgba(255, 255, 255, 0.7));
  --edu-faint: var(--color-text-muted, rgba(255, 255, 255, 0.45));
  --edu-radius: var(--radius-lg, 12px);
  color: var(--edu-text);
}

/* ---- Hub -------------------------------------------------------------- */
.wl-edu-hub__hero {
  max-width: 46rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}
.wl-edu-hub__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--edu-accent);
}
.wl-edu-hub__title {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.1;
}
.wl-edu-hub__lead {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--edu-muted);
}
.wl-edu-hub__progress {
  margin: 0;
  font-size: 0.85rem;
  color: var(--edu-faint);
}

.wl-edu-hub__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: 1rem;
  max-width: 60rem;
  margin: 0 auto;
}
.wl-edu-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  background: var(--edu-bg);
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.wl-edu-card:hover {
  border-color: var(--edu-accent);
  transform: translateY(-2px);
}
.wl-edu-card__icon {
  flex: 0 0 auto;
  font-size: 1.9rem;
  line-height: 1;
}
.wl-edu-card__body { display: flex; flex-direction: column; gap: 0.2rem; flex: 1 1 auto; min-width: 0; }
.wl-edu-card__title { font-size: 1.15rem; font-weight: 700; }
.wl-edu-card__tagline { font-size: 0.9rem; color: var(--edu-muted); line-height: 1.4; }
.wl-edu-card__meta { margin-top: 0.35rem; font-size: 0.8rem; color: var(--edu-faint); display: flex; align-items: center; gap: 0.5rem; }
.wl-edu-card__badge {
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.72rem;
  background: rgba(0, 59, 255, 0.15);
  color: var(--edu-accent);
}
.wl-edu-card__badge--soon { background: rgba(255, 255, 255, 0.08); color: var(--edu-faint); }
.wl-edu-card__badge--done { background: rgba(16, 185, 129, 0.15); color: var(--color-success, #10b981); }
.wl-edu-card__chevron { flex: 0 0 auto; color: var(--edu-faint); font-size: 1.2rem; }

/* ---- Two-column layout (section + lesson) ----------------------------- */
.wl-edu-layout {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.wl-edu-sidebar {
  position: sticky;
  top: 1rem;
  align-self: start;
  font-size: 0.9rem;
}
/* Collapsible "Contents" toggle — hidden on desktop (the sidebar is always open). */
.wl-edu-sidebar__toggle { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.wl-edu-sidebar__summary { display: none; }
.wl-edu-sidebar__home {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--edu-muted);
  text-decoration: none;
  font-weight: 600;
}
.wl-edu-sidebar__home:hover { color: var(--edu-text); }
.wl-edu-sidebar__section { margin-bottom: 1rem; }
.wl-edu-sidebar__heading {
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 700;
  color: var(--edu-text);
  text-decoration: none;
}
.wl-edu-sidebar__section.is-active > .wl-edu-sidebar__heading { color: var(--edu-accent); }
.wl-edu-sidebar__list { list-style: none; margin: 0; padding: 0 0 0 1.4rem; }
.wl-edu-sidebar__link {
  display: block;
  position: relative;
  padding: 0.2rem 0;
  color: var(--edu-muted);
  text-decoration: none;
  line-height: 1.35;
}
.wl-edu-sidebar__link:hover { color: var(--edu-text); }
.wl-edu-sidebar__link.is-active { color: var(--edu-text); font-weight: 600; }
.wl-edu-sidebar__link.is-active::before {
  content: "";
  position: absolute;
  left: -1rem;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 3px;
  border-radius: 999px;
  background: var(--edu-accent);
}
.wl-edu-sidebar__link.is-soon { color: var(--edu-faint); }

/* ---- Section overview ------------------------------------------------- */
.wl-edu-section__header { margin-bottom: 1.75rem; }
.wl-edu-section__icon { font-size: 2.5rem; line-height: 1; display: block; margin-bottom: 0.4rem; }
.wl-edu-section__title { margin: 0 0 0.4rem; font-size: 2rem; }
.wl-edu-section__tagline { margin: 0; font-size: 1.05rem; color: var(--edu-muted); max-width: 40rem; }
.wl-edu-lessons { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; counter-reset: none; }
.wl-edu-lessons__link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--edu-bg);
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}
.wl-edu-lessons__link:hover { border-color: var(--edu-accent); }
.wl-edu-lessons__n {
  flex: 0 0 auto;
  width: 1.9rem; height: 1.9rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700; font-size: 0.85rem;
  color: var(--edu-muted);
}
.wl-edu-lessons__text { display: flex; flex-direction: column; gap: 0.15rem; flex: 1 1 auto; min-width: 0; }
.wl-edu-lessons__title { font-weight: 600; }
.wl-edu-lessons__blurb { font-size: 0.88rem; color: var(--edu-muted); }
.wl-edu-lessons__item.is-soon .wl-edu-lessons__link { opacity: 0.7; }

.wl-edu-tag {
  display: inline-block;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  vertical-align: middle;
}
.wl-edu-tag--interactive { background: rgba(0, 59, 255, 0.18); color: var(--edu-accent); }
.wl-edu-tag--soon { background: rgba(255, 255, 255, 0.08); color: var(--edu-faint); margin-left: auto; }

/* ---- Lesson ----------------------------------------------------------- */
.wl-edu-lesson__eyebrow { margin: 0 0 0.4rem; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.wl-edu-lesson__eyebrow a { color: var(--edu-accent); text-decoration: none; }
.wl-edu-lesson__title { margin: 0 0 1.5rem; font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.15; }

.wl-edu-prose { max-width: 44rem; font-size: 1.02rem; line-height: 1.7; color: var(--edu-muted); }
.wl-edu-prose h2 { margin: 2rem 0 0.75rem; font-size: 1.4rem; color: var(--edu-text); line-height: 1.25; }
.wl-edu-prose h3 { margin: 1.5rem 0 0.5rem; font-size: 1.1rem; color: var(--edu-text); }
.wl-edu-prose p { margin: 0 0 1rem; }
.wl-edu-prose strong { color: var(--edu-text); }
.wl-edu-prose .wl-edu-lead { font-size: 1.2rem; line-height: 1.6; color: var(--edu-text); margin-bottom: 1.5rem; }
.wl-edu-list, .wl-edu-steps { margin: 0 0 1.25rem; padding-left: 1.4rem; }
.wl-edu-list li, .wl-edu-steps li { margin-bottom: 0.5rem; }
.wl-edu-quote {
  margin: 1.5rem 0;
  padding: 0.5rem 0 0.5rem 1.25rem;
  border-left: 3px solid var(--edu-accent);
  font-style: italic;
  color: var(--edu-text);
}
.wl-edu-quote p { margin: 0; }
.wl-edu-callout {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: rgba(0, 59, 255, 0.08);
  border: 1px solid rgba(0, 59, 255, 0.25);
  border-radius: var(--edu-radius);
}
.wl-edu-callout p { margin: 0; color: var(--edu-text); }

/* Property grid on the Properties of Money lesson. */
.wl-edu-props {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0;
}
.wl-edu-prop {
  padding: 1rem 1.1rem;
  background: var(--edu-bg);
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
}
.wl-edu-prop__name { margin: 0 0 0.4rem; font-size: 1rem; color: var(--edu-text); display: flex; align-items: center; gap: 0.4rem; }
.wl-edu-prop p { margin: 0; font-size: 0.92rem; }

/* Prev/next. */
.wl-edu-lesson__nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--edu-border);
}
.wl-edu-lesson__navlink {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1.1rem;
  background: var(--edu-bg);
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  text-decoration: none;
  color: inherit;
  max-width: 48%;
  transition: border-color 0.15s ease;
}
.wl-edu-lesson__navlink:hover { border-color: var(--edu-accent); }
.wl-edu-lesson__navlink--next { text-align: right; margin-left: auto; }
.wl-edu-lesson__navdir { font-size: 0.75rem; color: var(--edu-accent); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.wl-edu-lesson__navtitle { font-weight: 600; }

/* Coming-soon body. */
.wl-edu-soon { text-align: center; padding: 3rem 1rem; color: var(--edu-muted); }
.wl-edu-soon__icon { font-size: 2.5rem; margin: 0 0 0.5rem; }
.wl-edu-soon__title { font-size: 1.3rem; font-weight: 700; color: var(--edu-text); margin: 0 0 0.5rem; }
.wl-edu-soon__blurb { max-width: 32rem; margin: 0 auto 0.75rem; }
.wl-edu-soon__note { font-size: 0.88rem; color: var(--edu-faint); }

@media (max-width: 48rem) {
  .wl-edu-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .wl-edu-sidebar { position: static; border-bottom: 1px solid var(--edu-border); padding-bottom: 0.5rem; }
  /* On phones the full TOC is collapsed behind a tappable "Contents" bar so
     the lesson content is visible immediately. */
  .wl-edu-sidebar__summary {
    display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
    margin: 0; padding: 0.6rem 0; cursor: pointer; user-select: none;
    font-weight: 700; color: var(--edu-text);
  }
  .wl-edu-sidebar__summary::after { content: "\25be"; color: var(--edu-faint); transition: transform 0.15s ease; }
  .wl-edu-sidebar__toggle:checked ~ .wl-edu-sidebar__summary::after { transform: rotate(180deg); }
  .wl-edu-sidebar__panel { display: none; }
  .wl-edu-sidebar__toggle:checked ~ .wl-edu-sidebar__panel { display: block; padding-top: 0.25rem; }
}