/* Document library and source reader share the workspace palette. */
.library {
  max-width: 1440px;
  margin: auto;
  padding: 28px 32px;
}
.coverage {
  font-size: 12px;
  color: var(--muted);
}
.discovery-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
}
.families {
  border-right: 1px solid var(--line);
  padding-right: 20px;
}
.families h2 {
  font-size: 14px;
  margin: 0 0 12px;
}
.families nav {
  display: grid;
  gap: 4px;
}
.families button {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  white-space: normal;
  border-color: transparent;
  background: transparent;
  font-size: 12px;
  line-height: 1.5;
}
.families button[aria-pressed="true"] {
  background: #e5edfb;
  color: var(--blue);
  font-weight: 650;
}
.families .count {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.families details {
  margin-top: 24px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}
.collection-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}
.collection-heading .eyebrow {
  display: none;
}
.collection-heading h2 {
  font-size: 19px;
  margin: 0;
}
.collection-heading > span {
  font-size: 12px;
  color: var(--muted);
}
#discovery-search {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) 155px 185px auto;
  gap: 12px;
  align-items: end;
  background: #edf2f8;
  padding: 16px;
  border-radius: 6px;
}
#discovery-search label,
#find-source label,
#reference-panel label {
  display: grid;
  gap: 6px;
}
#discovery-search > button {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
  padding: 11px 16px;
}
#family-note {
  margin: 12px 0 16px;
  font-size: 12px;
  line-height: 1.6;
}
#search-status {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}
#search-status:empty {
  display: none;
}
#documents[aria-busy="true"] {
  opacity: .5;
}
.document-card {
  background: white;
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.document-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}
.document-top h3 {
  font-size: 16px;
  margin: 0;
  overflow-wrap: anywhere;
}
.document-top p {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--muted);
}
.form-badge {
  border: 1px solid #b9cbe5;
  background: #f3f6fc;
  padding: 3px 7px;
  border-radius: 3px;
  font-size: 11px;
  white-space: nowrap;
}
.document-sections {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}
.document-sections button {
  font-size: 11px;
  padding: 5px 8px;
  border-color: #d8e1ed;
  background: #f5f8fc;
  color: var(--blue);
}
.document-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
}
.document-actions button {
  font-size: 12px;
  padding: 7px 10px;
}
.passage-preview {
  margin: 14px 0 8px;
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
  border-left: 3px solid #b9cbe5;
  padding-left: 12px;
}
.passage-preview mark {
  background: #fff0ad;
  color: var(--navy);
}
.passage-count {
  font-size: 11px;
  color: var(--muted);
}
#more,
#search-pages {
  margin-top: 20px;
}
#search-pages {
  display: flex;
  justify-content: center;
  gap: 16px;
  align-items: center;
  font-size: 12px;
}
.empty {
  padding: 32px 0;
  color: var(--muted);
  line-height: 1.6;
}
#source-panel {
  max-width: 1440px;
  margin: 0 auto;
  background: white;
  border-top: 1px solid var(--line);
  scroll-margin-top: 80px;
}
.source-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
}
.source-heading h2 {
  font-size: 25px;
  margin: 6px 0;
}
.source-heading .eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  margin: 0;
}
.source-heading .muted {
  font-size: 12px;
  margin: 0;
}
.source-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
}
#source-outline-toggle {
  display: none;
}
.section-rail {
  padding: 20px;
  border-right: 1px solid var(--line);
  background: #f3f6fa;
  max-height: calc(100dvh - 220px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.section-rail h3 {
  font-size: 13px;
  margin: 0 0 12px;
}
.section-rail nav {
  display: grid;
  gap: 6px;
}
.section-rail nav button {
  text-align: left;
  white-space: normal;
  font-size: 12px;
  border-color: transparent;
  background: transparent;
}
.section-rail nav button[aria-pressed="true"] {
  background: #e5edfb;
  color: var(--blue);
}
#source-links,
#reference-panel,
#reference-context {
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding-top: 16px;
}
#source-links p,
#source-status,
#reference-count {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
}
#source-links button,
#references button,
#passage-references button {
  display: grid;
  gap: 3px;
  width: 100%;
  text-align: left;
  white-space: normal;
  font-size: 11px;
  line-height: 1.5;
  padding: 8px;
}
#source-links button {
  margin-top: 8px;
}
#reference-panel label {
  margin: 12px 0 8px;
}
#reference-panel input {
  font-size: 12px;
}
#reference-panel small {
  font-size: 10px;
  color: var(--muted);
}
#references,
#passage-references {
  display: grid;
  gap: 6px;
}
#passage-references button {
  background: #e5edfb;
  border-color: #b9cbe5;
}
#reference-more {
  margin-top: 8px;
  font-size: 11px;
}
.source-actions {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  font-size: 11px;
}
.reader {
  min-width: 0;
}
#find-source {
  display: flex;
  gap: 8px;
  align-items: end;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
#find-source label {
  flex: 1;
  max-width: 350px;
}
#find-source button {
  font-size: 12px;
}
#source-matches {
  font-size: 11px;
  align-self: center;
  color: var(--muted);
}
#source-frame {
  display: block;
  width: 100%;
  height: calc(100dvh - 260px);
  min-height: 480px;
  border: 0;
  background: white;
}
@media (max-width: 1100px) {
  #discovery-search {
    grid-template-columns: minmax(170px, 1fr) 170px;
  }
  #find-source {
    flex-wrap: wrap;
  }
  #find-source label {
    flex-basis: 100%;
    max-width: none;
  }
}
@media (max-width: 850px) {
  .discovery-layout {
    grid-template-columns: 185px minmax(0, 1fr);
    gap: 20px;
  }
  .families {
    padding-right: 12px;
  }
  .source-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }
}
@media (max-width: 600px) {
  .library {
    padding: 24px 16px;
  }
  .discovery-layout,
  .source-layout {
    display: block;
  }
  .families {
    border: 0;
    padding: 0;
    margin-bottom: 24px;
  }
  .families nav {
    display: flex;
    overflow: auto;
    padding-bottom: 8px;
  }
  .families button {
    flex-shrink: 0;
    white-space: nowrap;
    border-color: var(--line);
  }
  .families details {
    margin-top: 8px;
  }
  #discovery-search {
    grid-template-columns: 1fr 1fr;
    padding: 12px;
  }
  #discovery-search > label:first-child,
  #discovery-search > button {
    grid-column: 1 / -1;
  }
  .source-heading {
    align-items: start;
    padding: 16px;
  }
  .source-heading h2 {
    font-size: 22px;
  }
  .source-heading > div {
    min-width: 0;
  }
  #source-outline-toggle {
    display: block;
    font-size: 12px;
  }
  .outline-collapsed .section-rail {
    display: none;
  }
  .section-rail {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    max-height: 320px;
    padding: 16px;
    scroll-margin-top: 170px;
  }
  .section-rail nav {
    display: flex;
    flex-wrap: wrap;
  }
  .section-rail nav button {
    border-color: var(--line);
    padding: 6px 8px;
  }
  #references {
    grid-template-columns: 1fr 1fr;
  }
  #find-source {
    padding: 16px;
  }
  #source-frame {
    height: 65dvh;
    min-height: 380px;
  }
}