/* Shared editorial treatment. Loaded after component and responsive styles. */
.navbar-brand-logo {
  width: auto;
  max-height: none;
  margin-right: 0.8rem;
}

.navbar-logo {
  width: 8.8rem;
  height: auto;
  max-height: 1.6rem;
}

.navbar-title {
  border-left: 1px solid var(--fc-border-strong);
  padding-left: 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.quarto-dark .navbar-logo {
  filter: brightness(0) invert(1);
}

.fc-title-copy h1.title {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1.15;
  max-width: 26ch;
}

.fc-title-context {
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.fc-title-position {
  flex-wrap: wrap;
}

.fc-title-copy .description {
  max-width: 68ch;
}

.fc-title-actions {
  min-width: 10rem;
}

main.content > p,
main.content > ul,
main.content > ol,
.fc-lesson-page section > p {
  max-width: 70ch;
}

.fc-progress-track span,
.fc-card-progress span {
  background: var(--fc-brand);
}

.fc-course-facts-inline {
  color: var(--fc-muted);
  font-size: 0.9rem;
  margin-bottom: 1.4rem;
}

.fc-course-facts-inline p {
  margin-bottom: 0.4rem;
}

.fc-secondary-link {
  display: inline-block;
  margin: 0.65rem 1rem;
}

.course-foundations .fc-course-overview {
  background: transparent;
  border: 0;
  border-block: 1px solid var(--fc-border);
  border-radius: 0;
  box-shadow: none;
  padding: 1rem 0;
  gap: 0.6rem;
}

/* Keep one progress indicator; activity IDs and status hooks remain available. */
.course-foundations .fc-requirement-grid,
.course-foundations .fc-completion-status {
  display: none;
}

.fc-unit-list {
  margin-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--fc-border);
}

.fc-unit-row {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--fc-border);
  border-radius: 0;
  margin: 0;
  padding: 0;
}

.fc-unit-row > summary {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto 1rem;
  gap: 1rem;
  align-items: baseline;
  padding: 1.25rem 0;
  cursor: pointer;
  list-style: none;
  background: transparent;
}

.fc-unit-row > summary::-webkit-details-marker {
  display: none;
}

.fc-unit-row > summary::after {
  content: "+";
  color: var(--fc-brand-strong);
  font-size: 1.2rem;
  text-align: center;
}

.fc-unit-row[open] > summary::after {
  content: "−";
}

.fc-unit-number,
.fc-unit-count {
  color: var(--fc-muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.fc-unit-number {
  font-family: var(--bs-font-monospace);
}

.fc-unit-summary {
  display: grid;
  gap: 0.35rem;
}

.fc-unit-summary strong {
  color: var(--fc-heading);
  font-size: 1rem;
  line-height: 1.4;
}

.fc-unit-summary > span {
  color: var(--fc-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.fc-unit-row > p,
.fc-unit-row > ol {
  margin: 0 0 1.25rem 3rem;
  font-size: 0.9rem;
}

.fc-unit-row li {
  padding-block: 0.3rem;
}

.fc-unit-row > summary:hover .fc-unit-summary strong {
  color: var(--fc-brand-strong);
}

:where(a, button, summary, input):focus-visible {
  outline: 2px solid var(--fc-brand-strong);
  outline-offset: 4px;
}

.fc-lesson-footer {
  border-top: 1px solid var(--fc-border);
  margin-top: 3rem;
  padding-top: 1.5rem;
}

.fc-lesson-footer p {
  color: var(--fc-muted);
  font-size: 0.9rem;
}

.fc-lesson-footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.fc-lesson-page .nav-page-next {
  display: none;
}

.fc-complete-button,
.fc-title-colab,
.fc-lesson-footer .btn,
.fcpython-quiz-actions button {
  min-height: 44px;
}

/* Simplify the portfolio hero while keeping its runnable-code invitation. */
.landing-page .hero {
  background: var(--fc-surface);
  border: 1px solid var(--fc-border);
  border-radius: 1rem;
}

.landing-page .hero::after,
.hero-demo::before {
  display: none;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 4.3rem);
  letter-spacing: -0.055em;
  max-width: 14ch;
}

.fc-demo-window,
.fc-demo-loop {
  transform: none;
  box-shadow: none;
}

.fcpython-quiz {
  box-shadow: none;
  background: var(--fc-surface);
}

@media (max-width: 600px) {
  .navbar-logo {
    width: 7rem;
    max-height: 1.25rem;
  }

  .navbar-title {
    font-size: 0.8rem;
    padding-left: 0.5rem;
  }

  .fc-title-copy h1.title {
    font-size: clamp(1.9rem, 8vw, 2.5rem);
  }

  .fc-unit-row > summary {
    grid-template-columns: 1.6rem minmax(0, 1fr) 1rem;
    gap: 0.65rem;
  }

  .fc-unit-count {
    grid-column: 2;
    grid-row: 2;
  }

  .fc-unit-row > summary::after {
    grid-column: 3;
    grid-row: 1;
  }

  .fc-unit-row > p,
  .fc-unit-row > ol {
    margin-left: 2.25rem;
  }

  .fc-lesson-footer-actions > * {
    flex: 1 1 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

.fc-complete-button[hidden],
.fc-lesson-progress[hidden] {
  display: none;
}

.course-card,
.fc-catalog-card,
div.sourceCode {
  box-shadow: none;
}

.course-card:hover,
.fc-catalog-card:hover,
.hero-actions .btn:hover {
  box-shadow: none;
  transform: none;
}

.course-card::before {
  display: none;
}

/* PDF edition: a quiet book preview beside a clear download action. */
.fc-pdf-download {
  display: grid;
  grid-template-columns: minmax(140px, 220px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  border-block: 1px solid var(--fc-border);
  padding-block: 2rem;
  margin-block: 1.5rem 3rem;
}

.fc-pdf-cover {
  display: block;
  max-width: 220px;
}

.fc-pdf-cover img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--fc-border);
}

.fc-pdf-copy h3 {
  margin-top: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.3;
}

.fc-pdf-eyebrow,
.fc-pdf-metadata,
.fc-pdf-note {
  color: var(--fc-muted);
}

.fc-pdf-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.07em;
}

.fc-pdf-metadata {
  font-size: 0.83rem;
}

.fc-pdf-note {
  font-size: 0.8rem;
  margin-top: 1rem;
  max-width: 65ch;
}

@media (max-width: 600px) {
  .fc-pdf-download {
    grid-template-columns: 1fr;
  }

  .fc-pdf-cover {
    max-width: 160px;
  }
}