:root {
  --companion-green: #0f5132;
  --companion-green-dark: #0b3d26;
  --companion-green-soft: #eaf4ef;
  --companion-line: #d8e2dd;
  --companion-ink: #1f2933;
  --companion-muted: #5f6b6d;
  --companion-card: #ffffff;
  --companion-focus: #f4c542;
}

html {
  scroll-padding-top: 18px;
}

body {
  overflow-wrap: anywhere;
}

.companion-skip {
  position: fixed;
  top: 8px;
  left: -9999px;
  z-index: 1000;
  border-radius: 10px;
  background: #ffffff;
  color: var(--companion-green-dark);
  padding: 10px 14px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(15, 81, 50, 0.18);
}

.companion-skip:focus {
  left: 8px;
}

.companion-topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--companion-line);
  color: var(--companion-ink);
}

.companion-topbar-inner {
  width: min(1040px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 0;
}

.companion-brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--companion-ink);
  text-decoration: none;
}

.companion-brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: var(--companion-green-soft);
  color: var(--companion-green-dark);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.companion-brand-copy {
  min-width: 0;
  display: grid;
  line-height: 1.2;
}

.companion-brand-copy strong {
  font-size: 0.98rem;
}

.companion-brand-copy span {
  margin-top: 3px;
  color: var(--companion-muted);
  font-size: 0.78rem;
}

.companion-context {
  flex: 0 0 auto;
  border: 1px solid #c9d6d0;
  border-radius: 999px;
  background: var(--companion-green-soft);
  color: var(--companion-green-dark);
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.companion-format-note {
  width: min(1040px, calc(100% - 32px));
  margin: 18px auto 0;
  border: 1px solid #c9d6d0;
  border-radius: 14px;
  background: var(--companion-green-soft);
  color: #173c2b;
  padding: 12px 14px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.answer-key-disclosure {
  width: min(100%, 720px);
  margin-top: 22px;
  border: 0;
  padding: 0;
  background: transparent;
  overflow: visible;
}

.answer-key-disclosure > summary,
.companion-answer-disclosure > summary,
.companion-section-disclosure > summary {
  list-style: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.answer-key-disclosure > summary::-webkit-details-marker,
.companion-answer-disclosure > summary::-webkit-details-marker,
.companion-section-disclosure > summary::-webkit-details-marker {
  display: none;
}

.answer-key-disclosure > summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff !important;
  padding: 11px 14px;
  font-size: 0.92rem;
  font-weight: 800;
}

.answer-key-disclosure > summary::after,
.companion-answer-disclosure > summary::after,
.companion-section-disclosure > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
}

.answer-key-disclosure[open] > summary::after,
.companion-answer-disclosure[open] > summary::after,
.companion-section-disclosure[open] > summary::after {
  content: "−";
}

.answer-key-disclosure .answer-strip,
.answer-key-disclosure .answer-key {
  margin-top: 12px !important;
}

/* Some generated pages give answer grids an explicit display value.
   Hide disclosure content explicitly so it cannot override the closed state. */
.answer-key-disclosure:not([open]) > :not(summary),
.companion-answer-disclosure:not([open]) > :not(summary),
.companion-section-disclosure:not([open]) > :not(summary) {
  display: none !important;
}

.companion-answer-disclosure {
  margin-top: 16px;
  border: 1px solid #c9d6d0;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
}

.companion-answer-disclosure > summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--companion-green-soft);
  color: var(--companion-green-dark) !important;
  padding: 11px 14px;
  font-weight: 800;
}

.companion-answer-content {
  padding: 0 14px 14px;
}

.companion-answer-content > :first-child {
  margin-top: 14px;
}

.question-card:not(.is-revealed) .choice.correct,
.question-card:not(.is-revealed) .choice.wrong {
  border-color: var(--companion-line) !important;
  background: #ffffff !important;
  color: var(--companion-ink) !important;
}

.question-card:not(.is-revealed) .choice.correct .letter,
.question-card:not(.is-revealed) .choice.wrong .letter,
.question-card:not(.is-revealed) .choice.correct .choice-label,
.question-card:not(.is-revealed) .choice.wrong .choice-label {
  background: #eef2f0 !important;
  color: #34413c !important;
}

.companion-collapsible {
  padding: 0 !important;
}

.companion-section-disclosure > summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--companion-green);
  color: #ffffff !important;
  padding: 12px 18px;
  font-size: 1rem;
  font-weight: 800;
}

.companion-section-disclosure > .card-body {
  border-top: 0 !important;
}

pre.is-scrollable-code {
  scrollbar-color: #98b4a8 transparent;
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

pre.is-scrollable-code:focus-visible {
  outline: 3px solid var(--companion-focus);
  outline-offset: 2px;
}

.companion-pagination {
  width: min(1040px, calc(100% - 32px));
  margin: 28px auto 56px;
  border: 1px solid var(--companion-line);
  border-radius: 18px;
  background: #ffffff;
  padding: 16px;
  box-shadow: 0 10px 28px rgba(15, 81, 50, 0.07);
}

.companion-pagination-title {
  margin: 0 0 12px;
  color: var(--companion-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.companion-pagination-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.companion-pagination a {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #c9d6d0;
  border-radius: 12px;
  background: var(--companion-green-soft);
  color: var(--companion-green-dark);
  padding: 10px 12px;
  text-align: center;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 800;
}

.companion-pagination a.companion-primary-link {
  border-color: var(--companion-green);
  background: var(--companion-green);
  color: #ffffff;
}

.companion-disclaimer {
  margin: 14px 0 0;
  color: var(--companion-muted);
  font-size: 0.75rem;
  line-height: 1.45;
  text-align: center;
}

.companion-topbar a:focus-visible,
.companion-pagination a:focus-visible,
.answer-key-disclosure > summary:focus-visible,
.companion-answer-disclosure > summary:focus-visible,
.companion-section-disclosure > summary:focus-visible {
  outline: 3px solid var(--companion-focus);
  outline-offset: 3px;
}

@media (max-width: 640px) {
  .companion-topbar-inner {
    width: min(100% - 24px, 1040px);
    min-height: 64px;
    gap: 10px;
  }

  .companion-brand {
    gap: 8px;
  }

  .companion-brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    border-radius: 11px;
  }

  .companion-brand-copy strong {
    font-size: 0.9rem;
  }

  .companion-brand-copy span {
    font-size: 0.7rem;
  }

  .companion-context {
    max-width: 122px;
    overflow: hidden;
    padding: 7px 9px;
    text-overflow: ellipsis;
  }

  .companion-format-note,
  .companion-pagination {
    width: min(100% - 24px, 1040px);
  }

  .companion-format-note {
    font-size: 0.84rem;
  }

  .companion-pagination-links {
    grid-template-columns: 1fr;
  }

  .companion-pagination a {
    justify-content: flex-start;
    text-align: left;
  }

  .answer-key-disclosure {
    width: 100%;
  }

  pre {
    max-width: 100%;
  }
}

@media print {
  .companion-skip,
  .companion-topbar,
  .companion-format-note,
  .companion-pagination,
  .answer-key-disclosure > summary,
  .companion-answer-disclosure > summary,
  .companion-section-disclosure > summary {
    display: none !important;
  }

  details:not([open]) > *:not(summary) {
    display: block !important;
  }

  .question-card .choice.correct,
  .question-card .choice.wrong {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}