/* Modern Gutenberg lessons: Connaissance du manche.
 * Common components intentionally share one definition between both lessons;
 * interval-only components remain scoped to .mhg-intervals-page. */
:where(.mhg-notes-page, .mhg-intervals-page) {
  --mhg-pedago-accent: #8c692a;
  --mhg-pedago-accent-hover: #6f521f;
  --mhg-pedago-paper: #faf8f3;
  --mhg-pedago-soft: #f3eee4;
  --mhg-pedago-ui: #f8f8f8;
  --mhg-pedago-text: #222;
  --mhg-pedago-muted: #444;
  --mhg-pedago-border: #ded8cc;
  color: var(--mhg-pedago-text);
}

:where(.mhg-notes-page, .mhg-intervals-page) > * {
  min-width: 0;
}

:where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-page-intro, .mhg-pedago-section) {
  margin-block: clamp(1.5rem, 4vw, 3rem);
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-page-intro {
  max-width: 780px;
  color: var(--mhg-pedago-muted);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.7;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-block: 1.5rem 2.5rem;
  padding: 0;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--mhg-pedago-accent);
  border-radius: 999px;
  color: var(--mhg-pedago-accent-hover);
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-nav a:hover,
:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-nav a:focus-visible {
  border-color: var(--mhg-pedago-accent-hover);
  background: var(--mhg-pedago-accent-hover);
  color: #fff;
}

:where(.mhg-notes-page, .mhg-intervals-page) a:focus-visible {
  outline: 3px solid var(--mhg-pedago-accent);
  outline-offset: 3px;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-section--soft {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 14px;
  background: var(--mhg-pedago-soft);
}

:where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-key-grid, .mhg-exercise-grid) {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

:where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-key-card, .mhg-exercise-card) {
  min-width: 0;
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border: 1px solid var(--mhg-pedago-border);
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(34, 34, 34, 0.055);
}

:where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-key-card__number, .mhg-exercise-card__label, .mhg-section-label) {
  display: inline-block;
  margin-bottom: 0.55rem;
  color: var(--mhg-pedago-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  line-height: 1.3;
  text-transform: uppercase;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-key-card__value {
  color: var(--mhg-pedago-text);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 700;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-steps {
  padding-left: 1.4rem;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-steps li {
  padding-left: 0.3rem;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-steps li + li {
  margin-top: 0.65rem;
}

:where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-pedago-summary, .mhg-pedago-next) {
  margin-block: 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 14px;
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-summary {
  border-left: 4px solid var(--mhg-pedago-accent);
  background: var(--mhg-pedago-paper);
}

:where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-next {
  border: 1px solid var(--mhg-pedago-border);
  background: var(--mhg-pedago-ui);
}

/* Interval reference table. Gutenberg may put the class on the figure or table. */
.mhg-intervals-page .mhg-interval-table {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--mhg-pedago-border);
  border-radius: 12px;
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.mhg-intervals-page :where(.mhg-interval-table, .mhg-interval-table table) {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.mhg-intervals-page .mhg-interval-table table {
  min-width: 520px;
  border: 0;
  margin: 0;
}

.mhg-intervals-page .mhg-interval-table :where(th, td) {
  padding: 0.8rem 1rem;
  border: 0;
  border-bottom: 1px solid #e9e4db;
  text-align: left;
  vertical-align: middle;
}

.mhg-intervals-page .mhg-interval-table th {
  background: var(--mhg-pedago-soft);
  color: var(--mhg-pedago-text);
  font-size: 0.85rem;
  font-weight: 700;
}

.mhg-intervals-page .mhg-interval-table :where(th, td):first-child {
  width: 7.5rem;
  color: var(--mhg-pedago-accent-hover);
  font-weight: 700;
  text-align: center;
}

.mhg-intervals-page .mhg-interval-table tbody tr:last-child {
  background: var(--mhg-pedago-paper);
  box-shadow: inset 3px 0 var(--mhg-pedago-accent);
}

.mhg-intervals-page .mhg-interval-table tbody tr:last-child td {
  border-bottom: 0;
}

.mhg-intervals-page .mhg-interval-warning {
  margin-block: 1.5rem;
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--mhg-pedago-accent);
  border-radius: 0 12px 12px 0;
  background: var(--mhg-pedago-paper);
  color: var(--mhg-pedago-muted);
}

.mhg-intervals-page .mhg-interval-warning :where(h2, h3, h4) {
  margin-top: 0;
  color: var(--mhg-pedago-text);
}

.mhg-intervals-page :where(.mhg-interval-function-grid, .mhg-interval-library) {
  display: grid;
  gap: 1.15rem;
}

.mhg-intervals-page .mhg-interval-function-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mhg-intervals-page .mhg-interval-function-card {
  min-width: 0;
  padding: 1.3rem;
  border: 1px solid var(--mhg-pedago-border);
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(34, 34, 34, 0.05);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .mhg-intervals-page .mhg-interval-function-card:hover {
    border-color: #c8b998;
    box-shadow: 0 8px 22px rgba(34, 34, 34, 0.08);
    transform: translateY(-2px);
  }
}

.mhg-intervals-page .mhg-interval-reference-section {
  margin-inline: clamp(-1.25rem, -2vw, -0.5rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid #e8e0d2;
  border-radius: 16px;
  background: var(--mhg-pedago-paper);
}

.mhg-intervals-page .mhg-interval-library {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.mhg-intervals-page .mhg-interval-card {
  min-width: 0;
  padding: clamp(1.15rem, 2.5vw, 1.6rem);
  border: 1px solid var(--mhg-pedago-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(34, 34, 34, 0.06);
}

.mhg-intervals-page .mhg-interval-card h3 {
  margin: 0 0 0.65rem;
  color: var(--mhg-pedago-text);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.25;
}

.mhg-intervals-page .mhg-interval-card__distance {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: var(--mhg-pedago-soft);
  color: var(--mhg-pedago-accent-hover);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  line-height: 1.3;
}

.mhg-intervals-page .mhg-interval-card--tension {
  border-color: #bda878;
  background: #fffdf8;
}

.mhg-intervals-page .mhg-interval-card--octave {
  border-color: var(--mhg-pedago-accent);
  background: var(--mhg-pedago-soft);
  box-shadow: 0 7px 22px rgba(111, 82, 31, 0.1);
}

.mhg-intervals-page .mhg-interval-diagrams {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  align-items: start;
  margin-top: 1rem;
}

.mhg-intervals-page .mhg-interval-diagrams :where(a, figure) {
  min-width: 0;
  margin: 0;
}

.mhg-intervals-page .mhg-interval-diagrams a {
  display: block;
}

.mhg-intervals-page .mhg-interval-diagrams :where(img, a:only-child, figure:only-child) {
  margin-inline: auto;
}

.mhg-intervals-page .mhg-interval-diagrams :where(a, figure):only-child {
  width: 100%;
  max-width: 300px;
  grid-column: 1 / -1;
}

.mhg-intervals-page .mhg-interval-diagrams img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid #e6e1d8;
  border-radius: 8px;
  background: #fff;
}

@media (max-width: 781px) {
  :where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-key-grid, .mhg-exercise-grid),
  .mhg-intervals-page :where(.mhg-interval-function-grid, .mhg-interval-library) {
    grid-template-columns: 1fr;
  }

  .mhg-intervals-page .mhg-interval-reference-section {
    margin-inline: 0;
  }
}

@media (max-width: 480px) {
  :where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-nav {
    gap: 0.5rem;
    margin-bottom: 1.75rem;
  }

  :where(.mhg-notes-page, .mhg-intervals-page) .mhg-pedago-nav a {
    flex: 1 1 auto;
    justify-content: center;
    padding-inline: 0.75rem;
    text-align: center;
  }

  :where(.mhg-notes-page, .mhg-intervals-page) :where(.mhg-pedago-section--soft, .mhg-pedago-summary, .mhg-pedago-next),
  .mhg-intervals-page :where(.mhg-interval-reference-section, .mhg-interval-card) {
    padding: 1rem;
  }

  .mhg-intervals-page .mhg-interval-diagrams {
    grid-template-columns: 1fr;
  }

  .mhg-intervals-page .mhg-interval-diagrams :where(a, figure):only-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  :where(.mhg-notes-page, .mhg-intervals-page) *,
  :where(.mhg-notes-page, .mhg-intervals-page) *::before,
  :where(.mhg-notes-page, .mhg-intervals-page) *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
  }

  .mhg-intervals-page .mhg-interval-function-card:hover {
    transform: none;
  }
}