/*
 * Wooshin AI answer document
 * Scope every rule to question detail so ordinary student answers keep their
 * existing appearance. This stylesheet is intended to load after ui-polish.css.
 */

.question-detail-page {
  --ai-ink: #17231f;
  --ai-muted: #68766f;
  --ai-green: #087454;
  --ai-green-deep: #075d45;
  --ai-green-soft: #eef7f2;
  --ai-line: #dbe5e0;
  --ai-line-soft: #e9efec;
  --ai-paper: #ffffff;
  --ai-paper-soft: #f8faf9;
}

.question-detail-page .answer-list,
.question-detail-page .ai-answer-card,
.question-detail-page .ai-answer-card > *,
.question-detail-page .ai-answer-card .answer-content,
.question-detail-page .ai-solution-column,
.question-detail-page .ai-solution-section,
.question-detail-page .ai-solution-copy,
.question-detail-page .ai-followup-guide,
.question-detail-page .question-followup-form {
  min-width: 0;
  max-width: 100%;
}

/* One document surface: author, conclusion, reasoning, feedback. */
.question-detail-page .ai-answer-card {
  display: grid;
  gap: 0 !important;
  overflow: hidden;
  border: 1px solid var(--ai-line) !important;
  border-left: 1px solid var(--ai-line) !important;
  border-radius: 12px !important;
  background: var(--ai-paper) !important;
  padding: 0 !important;
  box-shadow: 0 1px 2px rgba(20, 42, 33, 0.035) !important;
}

.question-detail-page .ai-answer-card::before,
.question-detail-page .ai-answer-card::after {
  display: none !important;
}

.question-detail-page .ai-answer-card > .card-head {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 0 !important;
  border-bottom: 1px solid var(--ai-line-soft) !important;
  padding: 13px 18px !important;
  background: var(--ai-paper);
}

.question-detail-page .ai-answer-card > .card-head > div {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
}

.question-detail-page .ai-answer-card > .card-head h3,
.question-detail-page .ai-answer-card > .card-head .badges {
  min-width: 0;
  margin: 0;
}

.question-detail-page .ai-answer-card .answer-author-link {
  min-width: 0;
  min-height: 36px;
  gap: 9px;
  border-radius: 8px;
  color: var(--ai-ink);
  padding: 2px 5px 2px 2px;
  font-size: 14px;
  font-weight: 720;
}

.question-detail-page .ai-answer-card .answer-author-link:hover {
  background: var(--ai-green-soft);
  color: var(--ai-green-deep);
}

.question-detail-page .ai-answer-card .answer-author-link > span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Product mascot only; the school crest is never replaced or modified. */
.question-detail-page .ai-answer-card .answer-author-link .mini-avatar {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid #cfe1d8;
  border-radius: 10px;
  background-color: var(--ai-green-soft);
  background-image: url("/assets/ai/wooshin-ai-tutor.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  box-shadow: none;
  color: transparent;
}

.question-detail-page .ai-answer-card .answer-author-link .mini-avatar img {
  opacity: 0;
}

.question-detail-page .ai-answer-badge {
  display: inline-flex;
  min-height: 26px;
  flex: 0 0 auto;
  align-items: center;
  gap: 4px;
  border: 1px solid #cfe1d8;
  border-radius: 999px;
  background: var(--ai-green-soft);
  color: var(--ai-green-deep);
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 720;
  line-height: 1.2;
  white-space: nowrap;
}

.question-detail-page .ai-answer-badge .icon {
  display: none;
}

.question-detail-page .ai-answer-card > .answer-content {
  overflow: visible !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--ai-paper) !important;
  padding: 0 !important;
  color: var(--ai-ink);
  white-space: normal;
}

.question-detail-page .ai-solution-column {
  display: grid;
  overflow: visible !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--ai-paper);
}

.question-detail-page .ai-solution-section {
  display: grid;
  gap: 9px;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--ai-paper);
  padding: 20px 18px;
}

.question-detail-page .ai-solution-final {
  grid-template-columns: minmax(52px, auto) minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  border: 0 !important;
  border-bottom: 1px solid #d5e5dc !important;
  background: var(--ai-green-soft) !important;
}

.question-detail-page .ai-solution-work {
  border: 0 !important;
  background: var(--ai-paper) !important;
}

.question-detail-page .ai-solution-label {
  color: var(--ai-green-deep);
  font-size: 12px;
  font-weight: 760;
  line-height: 1.5;
  letter-spacing: 0;
}

.question-detail-page .ai-solution-copy {
  min-width: 0;
  max-width: 76ch;
  color: var(--ai-ink);
  font-size: 15px;
  font-weight: 430;
  line-height: 1.72;
  overflow-wrap: anywhere;
  word-break: normal;
  white-space: pre-wrap;
}

.question-detail-page .ai-solution-final .ai-solution-copy {
  max-width: none;
  color: var(--ai-green-deep);
  font-size: 17px;
  font-weight: 680;
  line-height: 1.55;
}

.question-detail-page .ai-solution-legacy {
  max-width: none;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--ai-paper) !important;
  padding: 20px 18px;
}

/* KaTeX may be wider than the viewport. Only the equation scrolls. */
.question-detail-page .ai-answer-card [data-math-render],
.question-detail-page .ai-answer-card .math-content {
  min-width: 0;
  max-width: 100%;
}

.question-detail-page .ai-answer-card .katex-display,
.question-detail-page .ai-answer-card .math-block {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  margin: 15px 0;
  padding: 4px 1px 7px;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.question-detail-page .ai-answer-card .katex-display > .katex {
  min-width: max-content;
  font-size: 1.02em;
}

.question-detail-page .ai-answer-card .katex-error {
  color: #9f2d2d !important;
  font-family: inherit;
  font-size: 0.95em;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

/* Future rich answers remain inside the document surface. */
.question-detail-page .ai-answer-card :where(img, video, canvas, iframe, svg) {
  max-width: 100%;
  height: auto;
}

.question-detail-page .ai-answer-card :where(pre, .code-block) {
  max-width: 100%;
  overflow-x: auto;
  margin: 14px 0;
  border: 1px solid var(--ai-line);
  border-radius: 8px;
  background: #f5f7f6;
  padding: 12px;
  overscroll-behavior-inline: contain;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

.question-detail-page .ai-answer-card :where(code, a) {
  overflow-wrap: anywhere;
}

.question-detail-page .ai-answer-card table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.question-detail-page .ai-answer-card th,
.question-detail-page .ai-answer-card td {
  min-width: 96px;
  border-bottom: 1px solid var(--ai-line);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}

.question-detail-page .ai-answer-card th {
  background: var(--ai-paper-soft);
  font-size: 13px;
  font-weight: 700;
}

/* Generated graph is a figure inside the reasoning, not another card. */
.question-detail-page .ai-graph-card {
  display: grid;
  min-width: 0;
  gap: 10px;
  margin: 18px 0 0;
  border: 0;
  border-top: 1px solid var(--ai-line-soft);
  padding: 16px 0 0;
}

.question-detail-page .ai-graph-card figcaption {
  margin: 0;
  color: var(--ai-ink);
  font-size: 13px;
  font-weight: 700;
}

.question-detail-page .ai-graph-canvas {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--ai-line);
  border-radius: 9px;
  background: var(--ai-paper);
}

.question-detail-page .ai-graph-canvas svg {
  display: block;
  width: 100%;
  aspect-ratio: 680 / 390;
}

.question-detail-page .ai-graph-legend {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 6px 13px;
  color: var(--ai-muted);
  font-size: 12px;
}

.question-detail-page .ai-answer-card > .image-preview:empty {
  display: none;
}

.question-detail-page .ai-answer-card > .image-preview:not(:empty) {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  gap: 10px;
  padding: 0 18px 14px;
}

.question-detail-page .ai-answer-card > .image-preview img {
  width: 100%;
  max-height: 420px;
  border: 1px solid var(--ai-line);
  border-radius: 9px;
  object-fit: contain;
}

.question-detail-page .ai-answer-card > .meta {
  min-width: 0;
  margin: 0;
  border-top: 1px solid var(--ai-line-soft);
  padding: 9px 18px 0;
  color: var(--ai-muted);
  font-size: 11px;
}

/* Existing report action doubles as a restrained answer-quality feedback row. */
.question-detail-page .ai-answer-card > .chips {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin: 0;
  padding: 10px 18px 14px;
}

.question-detail-page .ai-answer-card > .chips::before {
  content: "풀이가 이상하거나 도움이 되지 않았나요?";
  min-width: 0;
  flex: 1 1 auto;
  color: var(--ai-muted);
  font-size: 12px;
  line-height: 1.45;
}

.question-detail-page .ai-answer-card > .chips .ghost {
  min-height: 34px;
  flex: 0 0 auto;
  border-color: var(--ai-line);
  border-radius: 8px;
  background: var(--ai-paper);
  color: #596760;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 650;
  box-shadow: none;
}

.question-detail-page .ai-answer-card > .chips .ghost:hover {
  border-color: #b9d4c8;
  background: var(--ai-green-soft);
  color: var(--ai-green-deep);
}

/* AI follow-up guidance is a quiet continuation of the answer document. */
.question-detail-page .ai-followup-guide {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 4px 12px;
  margin: 12px 0 0;
  border: 1px solid var(--ai-line) !important;
  border-radius: 10px !important;
  background: var(--ai-paper) !important;
  padding: 13px 15px !important;
  color: var(--ai-ink);
  box-shadow: none;
}

.question-detail-page .ai-followup-guide > div {
  grid-row: 1 / span 2;
  width: 42px;
  height: 42px;
  border: 1px solid #cfe1d8;
  border-radius: 12px;
  background-color: var(--ai-green-soft);
  background-image: url("/assets/ai/wooshin-ai-tutor.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  color: transparent;
}

.question-detail-page .ai-followup-guide > div .icon {
  display: none;
}

.question-detail-page .ai-followup-guide p {
  display: grid;
  min-width: 0;
  gap: 2px;
  margin: 0;
}

.question-detail-page .ai-followup-guide strong {
  color: var(--ai-ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.question-detail-page .ai-followup-guide span,
.question-detail-page .ai-followup-guide small {
  min-width: 0;
  color: var(--ai-muted);
  font-size: 11.5px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.question-detail-page .ai-followup-guide small {
  grid-column: 2;
}

/* Additional question input reads as the next step, not a detached large card. */
.question-detail-page .question-followup-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  border: 1px solid var(--ai-line) !important;
  border-top: 1px solid var(--ai-line) !important;
  border-radius: 12px !important;
  background: var(--ai-paper) !important;
  padding: 18px !important;
  box-shadow: none !important;
}

.question-detail-page .question-followup-head {
  min-width: 0;
}

.question-detail-page .question-followup-head h2 {
  margin: 0;
  color: var(--ai-ink);
  font-size: 17px;
  font-weight: 720;
  line-height: 1.35;
}

.question-detail-page .question-followup-head p {
  margin: 3px 0 0;
  color: var(--ai-muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.question-detail-page .question-followup-ai-hint {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 7px;
  margin: 0;
  border: 0;
  border-radius: 8px;
  background: var(--ai-green-soft);
  padding: 9px 11px;
  color: var(--ai-green-deep);
  font-size: 12px;
  line-height: 1.45;
}

.question-detail-page .question-followup-ai-hint .icon {
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  margin-top: 1px;
}

.question-detail-page .question-followup-form .textarea {
  width: 100%;
  min-height: 104px;
  resize: vertical;
  border: 1px solid var(--ai-line);
  border-radius: 9px;
  background: var(--ai-paper);
  padding: 12px 13px;
  color: var(--ai-ink);
  font-size: 14px;
  line-height: 1.6;
  box-shadow: none;
}

.question-detail-page .question-followup-form .textarea:focus {
  border-color: var(--ai-green);
  outline: 3px solid rgba(8, 116, 84, 0.12);
}

.question-detail-page .question-followup-actions {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.question-detail-page .question-followup-actions > span {
  min-width: 0;
  color: var(--ai-muted);
  font-size: 11.5px;
  line-height: 1.4;
}

.question-detail-page .question-followup-buttons {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.question-detail-page .question-followup-buttons > button {
  min-height: 40px;
  border-radius: 9px;
  padding: 0 14px;
  white-space: nowrap;
}

.question-detail-page .question-followup-buttons > .ghost {
  border: 1px solid var(--ai-line);
  background: var(--ai-paper);
  color: var(--ai-ink);
  box-shadow: none;
}

.question-detail-page .question-followup-actions .primary {
  min-width: 112px;
  min-height: 40px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: var(--ai-green);
  padding: 0 15px;
  box-shadow: none;
}

.question-detail-page .question-followup-actions .primary:hover {
  background: var(--ai-green-deep);
}

.question-detail-page :where(.ai-answer-card, .ai-followup-guide, .question-followup-form) :focus-visible {
  outline: 3px solid rgba(8, 116, 84, 0.18);
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .question-detail-page .ai-answer-card {
    border-radius: 10px !important;
  }

  .question-detail-page .ai-answer-card > .card-head {
    flex-direction: row !important;
    align-items: center !important;
    gap: 8px;
    padding: 11px 12px !important;
  }

  .question-detail-page .ai-answer-card > .card-head > div {
    gap: 6px;
    overflow: hidden;
  }

  .question-detail-page .ai-answer-card .answer-author-link {
    min-height: 32px;
    gap: 7px;
    overflow: hidden;
    font-size: 13px;
  }

  .question-detail-page .ai-answer-card .answer-author-link .mini-avatar {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    border-radius: 9px;
  }

  .question-detail-page .ai-answer-badge {
    min-height: 24px;
    padding-inline: 7px;
    font-size: 10px;
  }

  .question-detail-page .ai-solution-section,
  .question-detail-page .ai-solution-legacy {
    padding: 16px 13px;
  }

  .question-detail-page .ai-solution-final {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .question-detail-page .ai-solution-copy {
    max-width: none;
    font-size: 14px;
    line-height: 1.7;
  }

  .question-detail-page .ai-solution-final .ai-solution-copy {
    font-size: 16px;
    line-height: 1.5;
  }

  .question-detail-page .ai-answer-card .katex-display {
    margin-block: 12px;
    padding-bottom: 8px;
  }

  .question-detail-page .ai-answer-card .katex-display > .katex {
    font-size: 0.98em;
  }

  .question-detail-page .ai-answer-card > .meta {
    padding: 8px 13px 0;
  }

  .question-detail-page .ai-answer-card > .chips {
    align-items: flex-start;
    padding: 8px 13px 12px;
  }

  .question-detail-page .ai-answer-card > .chips::before {
    font-size: 11px;
  }

  .question-detail-page .ai-answer-card > .chips .ghost {
    min-height: 32px;
    padding-inline: 8px;
    font-size: 11px;
  }

  .question-detail-page .ai-followup-guide {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 3px 10px;
    padding: 11px 12px !important;
  }

  .question-detail-page .ai-followup-guide > div {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .question-detail-page .ai-followup-guide small {
    display: none;
  }

  .question-detail-page .question-followup-form {
    gap: 10px;
    border-radius: 10px !important;
    padding: 14px 13px !important;
  }

  .question-detail-page .question-followup-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
  }

  .question-detail-page .question-followup-buttons {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    width: 100%;
  }

  .question-detail-page .question-followup-actions .primary {
    width: 100% !important;
    min-width: 0;
  }
}

@media (max-width: 390px) {
  .question-detail-page .ai-answer-card > .chips::before {
    content: "풀이가 이상한가요?";
  }

  .question-detail-page .question-followup-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .question-detail-page .question-followup-actions .primary {
    width: 100% !important;
  }

  .question-detail-page .question-followup-buttons {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .question-detail-page .ai-answer-card *,
  .question-detail-page .ai-followup-guide *,
  .question-detail-page .question-followup-form * {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}