/* Shared research-library pane. Drop into any cockpit with:
     <section class="library" data-library-scope="targets/<ticker>"></section>
   library.js fills in the head + list markup and wires up filtering. */

.library {
  margin-top: 32px;
}
.library-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 2px 10px;
}
.library-head .section-label {
  margin: 0;
  font-size: 11px;
  color: var(--muted, #6a6a66);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.library-head input.library-filter {
  border: 1px solid var(--line, #e6e4dc);
  border-radius: 4px;
  padding: 4px 8px;
  font: inherit;
  font-size: 12px;
  background: var(--panel, #ffffff);
  color: var(--ink, #1d1d1b);
  width: 200px;
}
.library-head input.library-filter:focus {
  outline: none;
  border-color: var(--accent, #1f6f4a);
}

.library-list {
  background: var(--panel, #ffffff);
  border: 1px solid var(--line, #e6e4dc);
  border-radius: 6px;
  padding: 8px 0;
  max-height: 360px;
  overflow-y: auto;
}
.library-list details.folder {
  border-top: 1px solid var(--line, #e6e4dc);
}
.library-list details.folder:first-child {
  border-top: 0;
}
.library-list details.folder > summary {
  list-style: none;
  cursor: pointer;
  padding: 6px 16px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
  color: var(--ink, #1d1d1b);
  user-select: none;
}
.library-list details.folder > summary::-webkit-details-marker { display: none; }
.library-list details.folder > summary::before {
  content: "▸";
  color: var(--muted, #6a6a66);
  font-size: 10px;
  width: 10px;
  display: inline-block;
  transition: transform 0.1s;
}
.library-list details.folder[open] > summary::before {
  transform: rotate(90deg);
}
.library-list details.folder > summary:hover {
  background: var(--soft, #f3f1e8);
}
.library-list details.folder > summary .folder-name {
  font-weight: 500;
}
.library-list details.folder > summary .folder-count {
  color: var(--muted, #6a6a66);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.library-list details.folder > .folder-body {
  padding-left: 14px;
  border-left: 1px dotted var(--line, #e6e4dc);
  margin-left: 20px;
}
.library-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 4px 16px;
  text-decoration: none;
  color: var(--ink, #1d1d1b);
  font-size: 12px;
}
.library-list a:hover {
  background: var(--soft, #f3f1e8);
  color: var(--accent, #1f6f4a);
}
.library-list .file-name { font-weight: 500; }
.library-list .file-path {
  color: var(--muted, #6a6a66);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-empty {
  padding: 20px;
  color: var(--muted, #6a6a66);
  font-size: 12px;
  text-align: center;
}