/* Approved D3 answer-tile and transcript disclosure layer (ADR-0018). */

.answer-list {
  gap: 1.75rem;
}

.public-hall-answer-transitioning {
  overflow-anchor: none;
  scroll-behavior: auto;
}

.answer-tile {
  overflow: hidden;
  border: 0.0625rem solid var(--color-text-default);
  border-radius: var(--radius-xl);
  background: var(--surface-bg);
  box-shadow: var(--shadow-md);
}

.answer-tile .question-heading,
.answer-tile .answer-disclosure {
  display: grid;
  width: 100%;
  margin: 0;
  padding: var(--space-lg);
  grid-template-columns: minmax(0, 1fr) 1.5rem;
  column-gap: var(--space-md);
  color: var(--surface-ink-inverse);
  background: var(--brand-gold-800);
  text-align: left;
}

.answer-tile .question {
  grid-column: 1;
  margin: 0;
  color: inherit;
  font-family: var(--font-family-body);
  font-size: var(--font-size-heading-h4);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-heading-h4);
}

.answer-tile .similar-count {
  grid-column: 1;
  margin-top: var(--space-sm);
  color: inherit;
  font-size: var(--font-size-body-small);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-body-small);
}

.answer-indicator {
  width: 0.875rem;
  height: 0.7578rem;
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  justify-self: center;
  border: 0;
  background: var(--surface-ink-inverse);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform: translateX(-0.0625rem) rotate(180deg);
  transform-origin: center;
  transition: transform 160ms ease;
}

.public-hall-enhanced .answer-indicator {
  transform: translateX(-0.0625rem);
}

.answer-disclosure {
  appearance: none;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  font: inherit;
  grid-template-columns: minmax(0, 1fr) 5.5rem;
}

.public-hall-enhanced .answer-tile .question-heading {
  display: block;
  padding: 0;
  background: transparent;
}

.answer-disclosure:hover {
  background: color-mix(in srgb, var(--brand-gold-800) 85%, transparent);
}

.trail-item .question-heading,
.trail-item .answer-disclosure {
  color: var(--color-content-candidate);
  background: var(--surface-inverse);
}

.trail-item .answer-disclosure {
  position: relative;
}

.trail-item .answer-disclosure:hover {
  background: var(--surface-inverse);
}

.trail-item .answer-disclosure:hover::before {
  position: absolute;
  z-index: 0;
  background: var(--surface-bg);
  content: "";
  inset: 0;
  opacity: 0.15;
  pointer-events: none;
}

.trail-item .answer-disclosure > * {
  position: relative;
  z-index: 1;
}

.trail-item .answer-indicator {
  background: var(--color-content-candidate);
}

.answer-disclosure:focus-visible,
.answer-permalink:focus-visible,
.answer-close:focus-visible,
.transcript-toggle:focus-visible {
  outline: 0.1875rem solid var(--focus-ring);
  outline-offset: -0.1875rem;
}

.answer-tile.is-open .answer-indicator {
  transform: translateX(-0.0625rem) rotate(180deg);
}

.answer-tile .answer {
  width: 100%;
  background: var(--surface-bg);
}

.answer-utility {
  display: flex;
  min-height: 5rem;
  padding: var(--space-md) var(--space-lg);
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
  background: var(--surface-panel);
}

.answer-utility p {
  margin: 0;
}

.answer-utility .attribution {
  margin: 0;
}

.answer-actions {
  display: flex;
  margin-left: auto;
  gap: var(--space-md);
  align-items: center;
  flex: 0 0 auto;
}

.answer-permalink {
  display: inline-flex;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  align-items: center;
  color: var(--color-text-default);
  font-family: var(--font-family-body);
  font-size: var(--font-size-label-default);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label-default);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.answer-permalink:hover {
  text-decoration-thickness: 0.125rem;
}

@media (min-width: 47.5625rem) {
  .answer-permalink {
    padding-right: 1.25rem;
  }
}

.answer-close {
  min-height: 2.75rem;
  padding: var(--space-sm) var(--space-lg);
  flex: 0 0 auto;
  border: 0;
  border-radius: var(--radius-md);
  color: var(--surface-ink-inverse);
  background: var(--color-action-close);
  cursor: pointer;
  font-family: var(--font-family-body);
  font-size: var(--font-size-body-large);
  font-weight: var(--font-weight-bold);
  line-height: 1.5rem;
}

.answer-close:hover {
  filter: brightness(0.9);
}

.answer-tile .video {
  gap: 0;
}

.answer-tile .video-media {
  border: 0;
  border-radius: 0;
}

.answer-tile .transcript {
  margin: var(--space-xl) auto;
}

.transcript {
  border: 0.0625rem solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.transcript-heading {
  margin-bottom: var(--space-md);
  color: var(--color-text-default);
  font-family: var(--font-family-body);
  font-size: var(--font-size-label-default);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-label-default);
}

.transcript-copy {
  margin: 0;
  font-family: var(--font-family-reading);
  font-size: var(--font-size-reading-default);
  line-height: var(--line-height-reading-default);
  white-space: pre-line;
}

.transcript-copy__remainder--clipped {
  position: absolute;
  width: 0.0625rem;
  height: 0.0625rem;
  margin: -0.0625rem;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.transcript-toggle:not([hidden]) {
  display: flex;
  min-height: 2.75rem;
  margin-top: var(--space-md);
  padding: var(--space-sm) 0;
  align-items: center;
  border: 0;
  color: var(--color-text-default);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-family-body);
  font-size: var(--font-size-label-default);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-label-default);
  text-align: left;
}

.transcript-toggle:hover {
  text-decoration: underline;
  text-decoration-thickness: 0.125rem;
  text-underline-offset: 0.15em;
}

@media (max-width: 47.5rem) {
  .answer-tile .answer-disclosure {
    grid-template-columns: minmax(0, 1fr) 2.6875rem;
  }

  .answer-indicator {
    transform: translateX(0.34375rem) rotate(180deg);
  }

  .public-hall-enhanced .answer-indicator {
    transform: translateX(0.34375rem);
  }

  .answer-tile.is-open .answer-indicator {
    transform: translateX(0.34375rem) rotate(180deg);
  }

  .answer-tile .question {
    font-size: 1.125rem;
    line-height: 1.625rem;
  }

  .answer-tile .question-heading,
  .answer-tile .answer-disclosure {
    padding: var(--space-lg);
  }

  .answer-utility {
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    align-items: stretch;
  }

  .answer-actions {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
  }

  .answer-close {
    padding-inline: var(--space-md);
  }

  .answer-tile .transcript {
    width: calc(100% - 2rem);
    margin-block: var(--space-lg);
  }
}

.trail-divider {
  margin: 0 0 var(--layout-section-space);
  border: 0;
  border-top: 0.125rem solid var(--color-border-default);
}

.trail-section {
  padding-top: 0;
}

@media (min-width: 47.5625rem) {
  .trail-section #trail-heading {
    font-size: 1.75rem;
    line-height: 2.25rem;
  }
}

@media (max-width: 30rem) {
  .answer-actions {
    gap: var(--space-sm);
  }

  .answer-close {
    padding-inline: var(--space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .answer-indicator {
    transition: none;
  }
}