/* Shared by the chapter course and QCM readers. */
:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar {
  --reader-toolbar-surface: var(--course-surface, #fff);
  --reader-toolbar-ink: var(--course-ink, #202b3d);
  --reader-toolbar-muted: var(--course-muted, #586477);
  --reader-toolbar-border: var(--course-border, #dfe4ec);
  --reader-toolbar-accent: var(--course-accent, #2d68a4);
  --reader-toolbar-heading: var(--course-heading, #245b94);

  box-sizing: border-box;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--reader-toolbar-border);
  background: var(--reader-toolbar-surface);
  color: var(--reader-toolbar-ink);
  font:
    16px/1.7 Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
)[data-theme="dark"] .course-toolbar {
  --reader-toolbar-surface: var(--course-surface, #1b2230);
  --reader-toolbar-ink: var(--course-ink, #e8edf6);
  --reader-toolbar-muted: var(--course-muted, #a8b3c6);
  --reader-toolbar-border: var(--course-border, #323e52);
  --reader-toolbar-accent: var(--course-accent, #91bcff);
  --reader-toolbar-heading: var(--course-heading, #91bcff);
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-header-context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  min-width: 0;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar .course-context {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 7px;
  color: var(--reader-toolbar-muted);
  font-size: 0.85rem;
  line-height: 1.4;
  margin: 0;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar .course-context > :first-child {
  color: var(--reader-toolbar-heading);
  font-weight: 650;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar :is(.course-back-link, button) {
  box-sizing: border-box;
  border: 1px solid var(--reader-toolbar-border);
  border-radius: 9px;
  background: var(--reader-toolbar-surface);
  color: inherit;
  padding: 7px 13px;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-back-link {
  text-decoration: none;
  font-size: 0.82rem;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar > .theme-toggle {
  flex-shrink: 0;
  font: inherit;
  cursor: pointer;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar .theme-toggle {
  width: auto;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar .theme-toggle__icon {
  width: 16px;
  height: 16px;
}

:where(
body[data-page="cours"],
body[data-page="chapter-qcm"],
body[data-page="chapter-activities"]
) .course-toolbar :is(a, button):focus-visible {
  outline: 3px solid var(--reader-toolbar-accent);
  outline-offset: 4px;
}

@media (max-width: 799px) {
  :where(
  body[data-page="cours"],
  body[data-page="chapter-qcm"],
  body[data-page="chapter-activities"]
) .course-toolbar {
    padding: 10px 18px;
    gap: 10px;
  }

  :where(
  body[data-page="cours"],
  body[data-page="chapter-qcm"],
  body[data-page="chapter-activities"]
) .course-header-context {
    align-items: flex-start;
    flex-direction: column;
  }

  :where(
  body[data-page="cours"],
  body[data-page="chapter-qcm"],
  body[data-page="chapter-activities"]
) .course-toolbar .course-context {
    font-size: 0.78rem;
    gap: 4px;
  }

  :where(
  body[data-page="cours"],
  body[data-page="chapter-qcm"],
  body[data-page="chapter-activities"]
) .course-toolbar > .theme-toggle {
    font-size: 0.8rem;
  }
}