/* Polished document reading experience */

.content-area.document-reading-mode {
  max-width: 1180px;
  padding-top: 28px;
  padding-bottom: 72px;
}

.doc-layout-v3 {
  width: 100%;
  max-width: 940px;
  margin: 0 auto;
}

.doc-panel-v3 {
  overflow: hidden;
  padding: 0;
  border-radius: 22px;
  box-shadow: 0 18px 48px rgba(23, 32, 51, 0.07);
}

.document-article-header {
  max-width: 800px;
  margin: 0 auto;
  padding: 42px 44px 30px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 92% 0%, rgba(244, 122, 32, 0.11), transparent 33%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
}

.document-kicker-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
}

.document-category,
.document-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.document-category {
  background: #fff0e4;
  color: #a4440a;
}

.document-status {
  max-width: 230px;
  overflow: hidden;
  background: #eef3f8;
  color: #64748b;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-status.warning {
  background: #fff3d8;
  color: #946006;
}

.document-status.success {
  background: #e7f6ef;
  color: #147454;
}

.document-article-header h1 {
  max-width: 760px;
  margin: 0;
  color: var(--text);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.doc-panel-v3 .markdown {
  max-width: 800px;
  padding: 32px 44px 44px;
  color: #344156;
  font-size: 15.5px;
  line-height: 1.78;
}

.doc-panel-v3 .markdown > * {
  min-width: 0;
}

.doc-panel-v3 .markdown p,
.doc-panel-v3 .markdown li,
.doc-panel-v3 .markdown td,
.doc-panel-v3 .markdown th,
.doc-panel-v3 .markdown blockquote {
  overflow-wrap: anywhere;
  word-break: normal;
}

.doc-panel-v3 .markdown h2 {
  margin-top: 38px;
  padding-bottom: 10px;
  font-size: 23px;
}

.doc-panel-v3 .markdown h3 {
  margin-top: 28px;
  font-size: 18px;
}

.document-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 0 30px !important;
  padding: 0 !important;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
  list-style: none;
}

.document-facts > li {
  margin: 0 !important;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: #536075;
  font-size: 13px;
  line-height: 1.55;
}

.document-facts > li:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.document-facts > li:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.document-facts strong {
  color: var(--text);
}

.document-provenance {
  max-width: 800px;
  margin: 0 auto 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fafbfd;
}

.document-provenance summary {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 16px;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.document-provenance summary::-webkit-details-marker {
  display: none;
}

.document-provenance summary > span:nth-child(2) {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.document-provenance summary strong {
  font-size: 12px;
}

.document-provenance summary small {
  color: var(--muted);
  font-size: 10.5px;
}

.provenance-icon {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 9px;
  background: #fff0e4;
  color: var(--primary-dark);
  font-weight: 800;
}

.provenance-chevron {
  margin-left: auto;
  color: #8190a5;
  transition: transform .18s ease;
}

.document-provenance[open] .provenance-chevron {
  transform: rotate(180deg);
}

.provenance-body {
  display: grid;
  gap: 9px;
  padding: 0 16px 15px 55px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.55;
}

.provenance-body p {
  margin: 0;
}

.provenance-body code {
  display: block;
  padding: 9px 10px;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--primary-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px;
}

@media (max-width: 780px) {
  .content-area.document-reading-mode {
    padding: 14px 12px 42px;
  }

  .doc-panel-v3 {
    border-radius: 16px;
  }

  .document-article-header {
    padding: 28px 20px 23px;
  }

  .document-article-header h1 {
    font-size: 29px;
    line-height: 1.16;
  }

  .doc-panel-v3 .markdown {
    padding: 24px 20px 34px;
    font-size: 14.5px;
  }

  .document-facts {
    grid-template-columns: 1fr;
  }

  .document-facts > li,
  .document-facts > li:nth-child(odd),
  .document-facts > li:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .document-facts > li:last-child {
    border-bottom: 0;
  }

  .document-provenance {
    margin: 0 20px 24px;
  }

  .provenance-body {
    padding-left: 16px;
  }
}