/* ============================================================================
   quiz.css — styling for the DOM quiz.js renders into #quiz. Owner: fullstack.
   Tokens only. Single column at every breakpoint (DESIGN § 3 07): a quiz in
   two columns is a quiz nobody finishes.
   ========================================================================== */

.quiz__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.quiz__item {
  background: var(--c-surface-raised);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--space-6);
}

.quiz__fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-inline-size: 0;
}

.quiz__legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: var(--space-4);
}

.quiz__num,
.quiz__axis {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-weight: var(--fw-medium);
}

.quiz__num {
  color: var(--c-accent);
  margin-right: var(--space-2);
}

.quiz__axis {
  color: var(--c-text-faint);
}

.quiz__question {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
  color: var(--c-text);
}

/* --------------------------------------------------------------------------
   Options — a real radio group. The input is visually hidden but stays in the
   tab order and keeps native arrow-key behaviour inside the group.
   -------------------------------------------------------------------------- */
.quiz__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.quiz__option {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--tap-min);
  padding: var(--space-3) var(--space-10) var(--space-3) var(--space-4);
  border: 1px solid var(--c-border-interactive);
  border-radius: var(--r-md);
  background: transparent;
  color: var(--c-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out-quart),
    border-color var(--dur-fast) var(--ease-out-quart),
    color var(--dur-fast) var(--ease-out-quart);
}

.quiz__option:hover {
  background: var(--c-hover-wash);
  color: var(--c-text);
}

.quiz__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  white-space: nowrap;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
}

.quiz__marker {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-label);
  color: var(--c-text-faint);
}

/* Checked: background, border, mono index colour AND a check glyph — the band
   of state is never carried by colour alone. The glyph lives on the marker's
   ::after, and the marker is aria-hidden, so it is not spoken twice. */
.quiz__option:has(.quiz__radio:checked) {
  background: var(--c-accent-wash);
  border-color: var(--c-accent);
  color: var(--c-text);
}

.quiz__radio:checked ~ .quiz__marker {
  color: var(--c-accent-ink);
}

.quiz__radio:checked ~ .quiz__marker::after {
  content: "\2713";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--fs-sm);
  color: var(--c-accent-ink);
}

/* Focus: :has() draws the ring on the label; :focus-within is the fallback. */
.quiz__option:focus-within,
.quiz__option:has(.quiz__radio:focus-visible) {
  outline: var(--focus-ring-w) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-off);
  box-shadow: var(--focus-ring-halo);
}

/* --------------------------------------------------------------------------
   Progress + actions
   -------------------------------------------------------------------------- */
.quiz__progress {
  margin: var(--space-4) 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-label);
  color: var(--c-text-faint);
}

.quiz__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.quiz__submit[disabled],
.quiz__submit[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
}

.quiz__reset[hidden] {
  display: none !important;
}

/* --------------------------------------------------------------------------
   21 + 22 — the result. Band is on data-band, set by quiz.js; the band word
   ships beside the number so the verdict never depends on colour.
   -------------------------------------------------------------------------- */
#quiz-result[hidden] {
  display: none !important;
}

#quiz-result {
  margin-top: var(--space-8);
  padding: var(--space-8);
  background: var(--c-surface-raised);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  scroll-margin-top: calc(var(--header-h-lg) + var(--space-6));
  transition:
    opacity var(--dur-slow) var(--ease-out-expo),
    transform var(--dur-slow) var(--ease-out-expo);
}

#quiz-result.is-enter {
  opacity: 0;
  transform: translate3d(0, 12px, 0);
  transition: none;
}

.quiz__result-heading {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-weight: var(--fw-medium);
  color: var(--c-text-faint);
}

#quiz-score {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.quiz__score-num {
  font-family: var(--font-mono);
  font-size: var(--fs-3xl);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-tight);
  font-variant-numeric: tabular-nums;
  color: var(--c-text);
}

.quiz__score-band {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-text-muted);
}

#quiz-verdict {
  margin: var(--space-4) 0 0;
  max-width: var(--measure-narrow);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: var(--c-text-muted);
}

.quiz__cta-line {
  margin: var(--space-6) 0 var(--space-4);
  font-size: var(--fs-sm);
  color: var(--c-text);
}

.quiz__privacy {
  margin: var(--space-4) 0 0;
  font-size: var(--fs-xs);
  color: var(--c-text-faint);
}

/* Band colours: border from the graphic token, digits from the ink token. */
#quiz-result[data-band="solid"] { border-color: var(--c-ok); }
#quiz-result[data-band="solid"] .quiz__score-num,
#quiz-result[data-band="solid"] .quiz__score-band { color: var(--c-ok-ink); }

#quiz-result[data-band="partial"] { border-color: var(--c-warn); }
#quiz-result[data-band="partial"] .quiz__score-num,
#quiz-result[data-band="partial"] .quiz__score-band { color: var(--c-warn-ink); }

#quiz-result[data-band="fragile"] { border-color: var(--c-err); }
#quiz-result[data-band="fragile"] .quiz__score-num,
#quiz-result[data-band="fragile"] .quiz__score-band { color: var(--c-err-ink); }

@media (prefers-reduced-motion: reduce) {
  .quiz__option,
  #quiz-result {
    transition: none !important;
  }

  #quiz-result.is-enter {
    opacity: 1 !important;
    transform: none !important;
  }
}