/* Research desk and notebook. Color and type follow the host's light/dark tokens.
   All component rules are scoped; article-save buttons also appear in the grid. */
.research-ui {
  --rd-soft: var(--chipbg, #ece7dc);
  --rd-muted: var(--muted, #5a5750);
  --rd-warn: var(--warn, #a81817);
  color: var(--fg);
  min-width: 0;
  font-size: 14px;
  line-height: 1.6;
  padding: 8px 0 28px;
  overflow-wrap: anywhere;
}
.research-ui *,
.research-save { box-sizing: border-box; }
.research-ui [hidden] { display: none !important; }
.research-ui :is(h2, h3, h4, p, ul, dl, dd, fieldset) { margin: 0; }
.research-ui :is(input, select, textarea, button) { font: inherit; }
.research-ui :is(input, select, textarea) {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 9px 10px;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
.research-ui :is(input, textarea)::placeholder { color: var(--rd-muted); opacity: .85; }
.research-ui :is(input, select, textarea):disabled { opacity: .6; cursor: not-allowed; }
.research-ui select { padding-right: 26px; cursor: pointer; }
.research-ui textarea { resize: vertical; min-height: 142px; tab-size: 2; }
.research-ui label { display: block; font-size: 12px; font-weight: 650; margin-bottom: 6px; }
.research-ui button,
button.research-save {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--fg);
  padding: 7px 12px;
  min-height: 36px;
  line-height: 1.45;
  font-size: 12px;
  font-weight: 550;
  cursor: pointer;
  transition: background-color .12s ease, border-color .12s ease, color .12s ease;
}
.research-ui button:hover:not(:disabled),
button.research-save:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.research-ui button:disabled,
button.research-save:disabled { cursor: not-allowed; opacity: .48; }
.research-ui button.rd-primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.research-ui button.rd-primary:hover:not(:disabled) { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.research-ui button.rd-danger { color: var(--rd-warn); }
.research-ui :is(a, button, input, select, textarea, summary, [tabindex]):focus-visible,
button.research-save:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.research-ui a { color: var(--accent); text-underline-offset: 3px; }
.research-ui a:hover { text-decoration: underline; }
.research-ui fieldset { min-width: 0; padding: 0; border: 0; }
.research-ui .rd-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.research-ui .rd-muted,
.research-ui .rd-help { color: var(--rd-muted); font-size: 11.5px; line-height: 1.75; }
.research-ui .rd-help b { color: var(--fg); font-weight: 600; }
.research-ui .rd-eyebrow {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 1.8px;
  color: var(--accent);
  margin-bottom: 6px;
}
.research-ui .rd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 7px 0 22px;
  border-bottom: 2px solid var(--ink);
}
.research-ui .rd-header h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.35;
  letter-spacing: -.65px;
}
.research-ui .rd-header > button { flex-shrink: 0; }
.research-ui .rd-header [data-notebook-total] {
  display: inline-block;
  margin-left: 7px;
  padding-left: 9px;
  border-left: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.research-ui .rd-intro { font-size: 12.5px; color: var(--rd-muted); margin-top: 7px; }
.research-ui .rd-scope-strip {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 13px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.research-ui .rd-scope-label { font-size: 10px; letter-spacing: .8px; color: var(--rd-muted); }
.research-ui #rd-scope { font-weight: 650; }
.research-ui .rd-scope-strip > .rd-muted { margin-left: auto; }
.research-ui .rd-workbench { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 30px; padding: 24px 0; }
.research-ui .rd-form { min-width: 0; }
.research-ui .rd-form .rd-label { font-size: 13px; margin-bottom: 8px; }
.research-ui .rd-query-line { display: flex; gap: 8px; }
.research-ui #rd-query { min-height: 45px; font-size: 16px; padding: 10px 12px; }
.research-ui #rd-submit { min-width: 98px; font-size: 13px; font-weight: 650; }
.research-ui #rd-query-help { margin: 9px 0 18px; max-width: 840px; }
.research-ui .rd-query-example { display: block; margin-top: 4px; }
.research-ui code { font-size: 11px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--fg); }
.research-ui .rd-fields { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.research-ui .rd-fields select { font-size: 12px; }
.research-ui #rd-hours-help { margin-top: 8px; }
.research-ui .rd-source-picker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 16px; }
.research-ui summary { cursor: pointer; padding: 11px 0; font-weight: 650; font-size: 12px; }
.research-ui summary::marker { color: var(--rd-muted); font-size: 11px; }
.research-ui #rd-source-selection { color: var(--accent); font-size: 10.5px; font-weight: 500; margin-left: 8px; }
.research-ui .rd-source-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(136px, 1fr)); gap: 5px 8px; padding: 0 0 8px; }
.research-ui label.rd-source-option {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin: 0;
  padding: 7px 8px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
}
.research-ui label.rd-source-option:hover { background: var(--rd-soft); }
.research-ui label.rd-source-option:has(input:checked) { border-color: var(--line); background: var(--rd-soft); }
.research-ui .rd-source-option input { width: 14px; height: 14px; margin-top: 3px; flex-shrink: 0; accent-color: var(--accent); }
.research-ui .rd-source-option small { font-size: 9px; font-weight: 400; color: var(--rd-muted); margin-left: 5px; }
.research-ui .rd-source-missing { color: var(--rd-warn); }
.research-ui .rd-source-tools { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding-bottom: 10px; }
.research-ui .rd-source-tools button { min-height: 28px; padding: 3px 7px; font-size: 10.5px; flex-shrink: 0; }
.research-ui .rd-form-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 14px; }
.research-ui #rd-reset { font-size: 11px; }
.research-ui .rd-saved-panel { border-left: 1px solid var(--line); padding-left: 24px; min-width: 0; }
.research-ui .rd-section-heading { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.research-ui .rd-section-heading h3 { font-family: var(--serif); font-size: 16px; font-weight: 700; }
.research-ui .rd-saved-panel > .rd-section-heading { justify-content: space-between; margin-bottom: 13px; }
.research-ui .rd-save-search-form { display: grid; gap: 8px; }
.research-ui .rd-save-search-form input { font-size: 12px; }
.research-ui .rd-save-search-form button { border-color: var(--accent); color: var(--accent); }
.research-ui .rd-saved-searches { list-style: none; padding: 0; margin: 14px 0; max-height: 335px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.research-ui .rd-saved-search { border-top: 1px solid var(--line); padding: 11px 0; }
.research-ui .rd-saved-search-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.research-ui button.rd-run-search {
  padding: 1px 0 4px;
  min-height: 28px;
  border: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  text-align: left;
  overflow-wrap: anywhere;
}
.research-ui button.rd-delete-search { padding: 2px 5px; min-height: 26px; flex-shrink: 0; font-size: 10px; border-color: transparent; color: var(--rd-muted); }
.research-ui .rd-saved-query { font-size: 11.5px; margin-bottom: 3px; overflow-wrap: anywhere; }
.research-ui .rd-search-observation { font-size: 11px; color: var(--accent); margin-top: 6px; }
.research-ui .rd-search-notice { font-size: 10.5px; color: var(--rd-warn); margin-top: 4px; }
.research-ui .rd-saved-empty { font-size: 12px; color: var(--rd-muted); padding: 12px 0; border-top: 1px solid var(--line); }
.research-ui .rd-statusbar { display: flex; align-items: center; gap: 12px; min-height: 47px; padding: 10px 13px; background: var(--rd-soft); border-left: 2px solid var(--accent); }
.research-ui #rd-status { font-size: 12px; flex: 1; }
.research-ui #rd-retry { flex-shrink: 0; background: var(--bg); }
.research-ui [data-tone="error"] { color: var(--rd-warn); }
.research-ui [data-tone="pending"] { color: var(--accent); }
.research-ui .rd-local-error,
.research-ui .rd-notice { margin: 14px 0; border: 1px solid var(--line); border-left: 3px solid var(--rd-warn); padding: 12px 14px; font-size: 12px; color: var(--rd-warn); }
.research-ui .rd-notice { display: flex; gap: 12px; align-items: center; justify-content: space-between; color: var(--fg); }
.research-ui .rd-notice button { flex-shrink: 0; }
.research-ui .rd-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 23px 0 17px; border-bottom: 1px solid var(--line); }
.research-ui .rd-metrics > div { padding: 0 20px; border-left: 1px solid var(--line); }
.research-ui .rd-metrics > div:first-child { padding-left: 0; border: 0; }
.research-ui .rd-metrics dt { color: var(--rd-muted); font-size: 11px; }
.research-ui .rd-metrics dd { font-family: var(--serif); font-weight: 700; font-size: clamp(23px, 2.7vw, 32px); line-height: 1.4; margin: 3px 0; font-variant-numeric: tabular-nums; }
.research-ui .rd-metric-main dd { color: var(--accent); }
.research-ui .rd-metrics span { color: var(--rd-muted); font-size: 10px; }
.research-ui .rd-observation { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 5px 16px; font-size: 10.5px; color: var(--rd-muted); padding: 10px 0 18px; }
.research-ui #rd-generated { font-variant-numeric: tabular-nums; }
.research-ui .rd-timeline-section { border-top: 2px solid var(--ink); padding: 11px 0 0; }
.research-ui .rd-timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(35px, 1fr);
  align-items: end;
  gap: 4px;
  max-width: 100%;
  margin-top: 16px;
  padding: 5px 4px 9px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}
.research-ui .rd-time-bucket { min-width: 0; text-align: center; padding: 0 2px; outline-offset: -1px; border-radius: 1px; }
.research-ui .rd-time-count { display: block; font-size: 10px; font-variant-numeric: tabular-nums; color: var(--rd-muted); height: 20px; }
.research-ui .rd-time-track {
  display: flex;
  height: 108px;
  align-items: flex-end;
  justify-content: center;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(to top, var(--line) 1px, transparent 1px);
  background-size: 100% 36px;
}
.research-ui .rd-time-bar { display: block; width: min(100%, 26px); background: var(--accent); opacity: .75; min-height: 0; }
.research-ui .rd-time-bucket:is(:hover, :focus-visible) .rd-time-bar { opacity: 1; background: var(--ink); }
.research-ui .rd-time-bucket:is(:hover, :focus-visible) .rd-time-count { color: var(--fg); font-weight: 750; }
.research-ui .rd-time-label { display: block; font-size: 9px; line-height: 1.5; font-variant-numeric: tabular-nums; color: var(--rd-muted); margin-top: 7px; }
.research-ui .rd-time-note { margin: 3px 0 17px; }
.research-ui .rd-coverage { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.research-ui .rd-coverage > summary { font-family: var(--serif); font-size: 14px; padding: 12px 0; }
.research-ui .rd-coverage > summary span { margin-left: 10px; font-family: system-ui, sans-serif; font-weight: 400; }
.research-ui .rd-table-scroll { width: 100%; max-width: 100%; overflow-x: auto; scrollbar-width: thin; margin-bottom: 12px; }
.research-ui .rd-source-table { width: 100%; border-collapse: collapse; font-size: 11px; text-align: left; }
.research-ui .rd-source-table thead th { color: var(--rd-muted); font-size: 10px; font-weight: 500; white-space: nowrap; border-bottom: 1px solid var(--ink); padding: 7px 10px; }
.research-ui .rd-source-table :is(td, tbody th) { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-weight: 400; }
.research-ui .rd-source-table :is(td, th):first-child { padding-left: 0; }
.research-ui .rd-source-table :is(td, th):last-child { padding-right: 0; }
.research-ui .rd-source-table tbody th { font-weight: 650; min-width: 125px; }
.research-ui .rd-source-table tbody th small { color: var(--rd-muted); font-size: 9px; font-weight: 400; }
.research-ui .rd-number { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; width: 70px; }
.research-ui .rd-source-table .rd-match-number { color: var(--accent); font-weight: 650; }
.research-ui .rd-source-latest { display: block; color: var(--rd-muted); font-size: 9px; font-weight: 400; margin-top: 3px; white-space: nowrap; }
.research-ui .rd-source-time { color: var(--rd-muted); font-size: 10px; min-width: 140px; }
.research-ui .rd-health { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; font-size: 10px; }
.research-ui .rd-health::before { content: ""; width: 5px; height: 5px; border-radius: 50%; border: 1px solid currentColor; flex-shrink: 0; }
.research-ui .rd-health-ok { color: var(--accent); }
.research-ui .rd-health-ok::before { background: currentColor; }
.research-ui .rd-health-error,
.research-ui .rd-health-stale { color: var(--rd-warn); }
.research-ui .rd-health-error::before { border-radius: 0; background: currentColor; }
.research-ui .rd-health-running { color: var(--accent); }
.research-ui .rd-health-running::before { background: currentColor; border-radius: 0; }
.research-ui .rd-health-pending,
.research-ui .rd-health-unavailable { color: var(--rd-muted); }
.research-ui .rd-source-error { display: block; font-size: 10px; color: var(--rd-warn); max-width: 320px; margin-top: 3px; overflow-wrap: anywhere; }
.research-ui .rd-warnings { border-left: 2px solid var(--line); padding: 1px 0 1px 13px; margin: 16px 0 24px; }
.research-ui .rd-warning-label { color: var(--rd-muted); font-size: 10px; font-weight: 700; margin-bottom: 4px; }
.research-ui .rd-warnings ul { color: var(--rd-muted); font-size: 11px; padding-left: 15px; }
.research-ui .rd-warnings li + li { margin-top: 3px; }
.research-ui .rd-results-section { margin-top: 8px; border-top: 2px solid var(--ink); }
.research-ui .rd-results-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.research-ui .rd-destination { display: flex; align-items: center; gap: 8px; min-width: 0; }
.research-ui .rd-destination label { font-size: 10.5px; margin: 0; flex-shrink: 0; color: var(--rd-muted); }
.research-ui #rd-notebook-select { width: 155px; font-size: 11px; padding: 7px 25px 7px 9px; text-overflow: ellipsis; }
.research-ui #rd-export { white-space: nowrap; }
.research-ui .rd-result { display: flex; gap: 17px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.research-ui .rd-result-number { width: 28px; flex-shrink: 0; font-family: var(--serif); font-variant-numeric: tabular-nums; font-size: 17px; color: var(--rd-muted); padding-top: 15px; }
.research-ui .rd-result-body { min-width: 0; flex: 1; }
.research-ui .rd-article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; color: var(--rd-muted); font-size: 10px; margin-bottom: 7px; }
.research-ui .rd-source-name { color: var(--fg); font-size: 10.5px; font-weight: 700; }
.research-ui .rd-provider { letter-spacing: .3px; font-size: 9px; }
.research-ui .rd-title-badge { border: 1px solid var(--line); padding: 0 4px; font-size: 9px; }
.research-ui :is(.rd-result, .nb-evidence) h4 { font-family: var(--serif); font-size: 18px; line-height: 1.65; font-weight: 700; letter-spacing: -.3px; }
.research-ui :is(.rd-result, .nb-evidence) h4 a { color: var(--fg); }
.research-ui :is(.rd-result, .nb-evidence) h4 a:hover { color: var(--accent); }
.research-ui .rd-article-summary { font-family: var(--bodyserif, var(--serif)); color: var(--rd-muted); font-size: 13px; line-height: 1.85; margin-top: 9px; white-space: pre-wrap; }
.research-ui .rd-result-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 12px; }
.research-ui .rd-origin { min-width: 0; font-size: 10.5px; overflow-wrap: anywhere; color: var(--rd-muted); }
button.research-save { min-height: 30px; padding: 4px 9px; font-family: inherit; font-size: 10.5px; white-space: nowrap; flex-shrink: 0; }
button.research-save[data-saved="true"] { color: var(--accent); border-color: var(--accent); }
.card button.research-save { margin-top: 8px; }
.hitrow button.research-save { margin-left: 8px; }
.research-ui[data-stale="true"] .rd-overview,
.research-ui[data-stale="true"] #rd-analysis,
.research-ui[data-stale="true"] #rd-results { opacity: .6; }
.research-ui .rd-empty { text-align: center; padding: 45px 22px; max-width: 630px; margin: 0 auto; }
.research-ui .rd-empty h4 { font-family: var(--serif); font-size: 20px; line-height: 1.5; }
.research-ui .rd-empty p { font-size: 12.5px; color: var(--rd-muted); line-height: 1.9; max-width: 470px; margin: 12px auto 0; }
.research-ui .rd-empty button { margin-top: 19px; }
.research-ui .rd-empty-number { font-family: var(--serif); font-size: 40px; line-height: 1; display: block; color: var(--line); margin-bottom: 15px; }
.research-ui .rd-paging { text-align: center; margin-top: 19px; }
.research-ui #rd-more { min-width: 220px; border-color: var(--ink); }
.research-ui .nb-local-explainer { font-size: 11.5px; color: var(--rd-muted); padding: 13px 0 21px; max-width: 980px; }
.research-ui .nb-workspace { display: grid; grid-template-columns: 254px minmax(0, 1fr); gap: 30px; align-items: start; }
.research-ui .nb-sidebar { min-width: 0; border-right: 1px solid var(--line); padding-right: 24px; }
.research-ui .nb-sidebar > .rd-label { font-size: 11.5px; }
.research-ui #nb-select { font-weight: 600; font-size: 13px; }
.research-ui #nb-capacity { margin-top: 7px; font-size: 10px; }
.research-ui .nb-name-form { margin-top: 24px; }
.research-ui #nb-name { font-size: 12px; }
.research-ui .nb-name-actions { display: flex; gap: 6px; margin-top: 8px; }
.research-ui .nb-name-actions button { flex: 1; padding: 7px 6px; font-size: 11px; }
.research-ui #nb-delete { border: 0; padding: 5px 0; min-height: 30px; font-size: 10.5px; margin-top: 9px; }
.research-ui .nb-export-tools,
.research-ui .nb-backup-tools { margin-top: 21px; padding-top: 17px; border-top: 1px solid var(--line); }
.research-ui :is(.nb-export-tools, .nb-backup-tools) h3 { font-size: 12px; font-weight: 700; margin-bottom: 6px; }
.research-ui :is(.nb-export-tools, .nb-backup-tools) .rd-help { font-size: 10.5px; }
.research-ui .nb-export-tools > div { display: flex; gap: 8px; margin-top: 10px; }
.research-ui #nb-backup { margin-top: 11px; width: 100%; }
.research-ui label.nb-import-label { font-size: 10.5px; font-weight: 500; color: var(--rd-muted); margin-top: 15px; }
.research-ui #nb-import { font-size: 10px; padding: 5px 0; border: 0; }
.research-ui #nb-import::file-selector-button {
  background: var(--rd-soft);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 7px 9px;
  margin-right: 7px;
  cursor: pointer;
  font: inherit;
}
.research-ui #nb-import-help { margin-top: 4px; }
.research-ui .nb-content { min-width: 0; }
.research-ui .nb-content-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; border-top: 2px solid var(--ink); padding: 13px 0 12px; }
.research-ui #nb-current-name { font-family: var(--serif); font-size: 22px; font-weight: 700; line-height: 1.5; }
.research-ui #nb-collection-meta { margin-top: 4px; font-size: 10.5px; }
.research-ui .nb-local-tag { flex-shrink: 0; color: var(--rd-muted); font-size: 9px; letter-spacing: .4px; border: 1px solid var(--line); padding: 2px 7px; }
.research-ui .nb-status { min-height: 22px; font-size: 11.5px; color: var(--rd-muted); margin-bottom: 10px; }
.research-ui .nb-status[data-tone="error"] { color: var(--rd-warn); }
.research-ui .nb-status:empty { min-height: 0; margin: 0; }
.research-ui .nb-entry { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(240px, 1fr); gap: 24px; border-top: 1px solid var(--line); padding: 24px 0; }
.research-ui .nb-evidence { min-width: 0; }
.research-ui .nb-evidence h4 { font-size: 17px; }
.research-ui .nb-source-link { display: block; overflow-wrap: anywhere; font-size: 10px; margin-top: 7px; }
.research-ui .nb-evidence-context { margin-top: 17px; padding-left: 10px; border-left: 2px solid var(--line); color: var(--rd-muted); font-size: 10px; line-height: 1.8; }
.research-ui .nb-note-editor { border-left: 1px solid var(--line); padding-left: 23px; min-width: 0; }
.research-ui .nb-note-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.research-ui .nb-note-heading label { font-size: 11.5px; }
.research-ui .nb-note-count { font-size: 9px; font-variant-numeric: tabular-nums; }
.research-ui .nb-note-editor textarea { font-size: 12px; line-height: 1.85; padding: 10px 12px; }
.research-ui .nb-entry[data-unsaved="true"] textarea { border-color: var(--accent); }
.research-ui .nb-note-footer { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0 2px; }
.research-ui .nb-note-state { font-size: 10px; color: var(--rd-muted); }
.research-ui .nb-note-state[data-tone="error"] { color: var(--rd-warn); }
.research-ui .nb-entry[data-unsaved="true"] .nb-note-state:not([data-tone="error"]) { color: var(--accent); }
.research-ui .nb-note-footer button { font-size: 11px; padding: 5px 9px; min-height: 30px; flex-shrink: 0; border-color: var(--accent); color: var(--accent); }
.research-ui button.nb-remove-article { border: 0; color: var(--rd-muted); padding: 4px 0; font-size: 10px; min-height: 26px; margin-top: 8px; }
.research-ui button.nb-remove-article:hover:not(:disabled) { color: var(--rd-warn); }
.research-ui .nb-empty { border-top: 1px solid var(--line); max-width: none; padding-top: 50px; }
.research-ui .nb-empty .rd-eyebrow { margin-bottom: 8px; font-size: 10px; color: var(--accent); }
[data-theme="dark"] .research-ui :is(input, select, textarea) { color-scheme: dark; }
[data-theme="light"] .research-ui :is(input, select, textarea) { color-scheme: light; }

@media (min-width: 1200px) {
  .research-ui .rd-result-body { max-width: 1120px; }
  .research-ui .rd-result h4 { max-width: 970px; }
  .research-ui .rd-article-summary { max-width: 990px; }
}
@media (max-width: 1050px) {
  .research-ui .rd-workbench { grid-template-columns: minmax(0, 1fr) 260px; gap: 22px; }
  .research-ui .rd-saved-panel { padding-left: 20px; }
  .research-ui .rd-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .research-ui .nb-workspace { grid-template-columns: 225px minmax(0, 1fr); gap: 22px; }
  .research-ui .nb-sidebar { padding-right: 20px; }
  .research-ui .nb-entry { grid-template-columns: 1fr; gap: 18px; }
  .research-ui .nb-note-editor { border-left: 0; padding-left: 0; }
}
@media (max-width: 740px) {
  .research-ui .rd-header { padding-bottom: 17px; gap: 14px; }
  .research-ui .rd-scope-strip > .rd-muted { width: 100%; margin-left: 0; }
  .research-ui .rd-workbench { grid-template-columns: 1fr; gap: 23px; padding: 20px 0; }
  .research-ui .rd-saved-panel { border-left: 0; border-top: 1px solid var(--line); padding: 17px 0 0; }
  .research-ui .rd-save-search-form { grid-template-columns: minmax(0, 1fr) auto; }
  .research-ui .rd-saved-searches { max-height: 230px; margin-bottom: 9px; }
  .research-ui .rd-metrics > div { padding: 0 12px; }
  .research-ui .rd-metrics dd { font-size: 24px; }
  .research-ui .rd-results-toolbar { align-items: flex-start; flex-direction: column; gap: 10px; }
  .research-ui .rd-destination { width: 100%; }
  .research-ui #rd-notebook-select { flex: 1; width: auto; }
  .research-ui .rd-source-table { min-width: 570px; }
  .research-ui .nb-workspace { grid-template-columns: 1fr; gap: 23px; }
  .research-ui .nb-sidebar { border-right: 0; padding-right: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 20px; }
  .research-ui .nb-sidebar > :is(label, select, #nb-capacity, .nb-name-form, #nb-delete) { grid-column: 1 / -1; }
  .research-ui .nb-name-form { margin-top: 17px; }
  .research-ui .nb-name-actions { justify-content: flex-start; }
  .research-ui .nb-name-actions button { flex: 0 1 auto; padding-left: 14px; padding-right: 14px; }
  .research-ui #nb-delete { justify-self: start; }
  .research-ui .nb-export-tools,
  .research-ui .nb-backup-tools { margin-top: 13px; }
  .research-ui .nb-content-heading { padding-top: 16px; }
  .research-ui .nb-entry { padding-top: 20px; }
  .research-ui .nb-note-editor textarea { min-height: 142px; }
}
@media (max-width: 450px) {
  .research-ui { padding-top: 3px; }
  .research-ui .rd-header { align-items: flex-start; }
  .research-ui .rd-header h2 { font-size: 27px; }
  .research-ui .rd-header > button { padding: 6px 8px; font-size: 10.5px; margin-top: 18px; }
  .research-ui .rd-intro { font-size: 11.5px; }
  .research-ui .rd-eyebrow { letter-spacing: 1.2px; font-size: 9px; }
  .research-ui #rd-query { padding-left: 9px; font-size: 16px; }
  .research-ui #rd-submit { min-width: 79px; padding: 8px 10px; font-size: 12px; }
  .research-ui .rd-fields { gap: 11px; }
  .research-ui .rd-source-options { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3px; }
  .research-ui .rd-source-option small { margin-left: 3px; }
  .research-ui .rd-source-tools { align-items: flex-start; }
  .research-ui .rd-form-foot .rd-help { font-size: 10px; text-align: right; }
  .research-ui .rd-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 0; padding: 20px 0; }
  .research-ui .rd-metrics > div { padding: 0 14px; }
  .research-ui .rd-metrics > div:nth-child(odd) { padding-left: 0; border-left: 0; }
  .research-ui .rd-metrics dd { font-size: 28px; }
  .research-ui .rd-statusbar { align-items: flex-start; padding: 10px; gap: 8px; }
  .research-ui #rd-status { font-size: 11px; }
  .research-ui #rd-retry { padding: 5px 8px; font-size: 10.5px; min-height: 30px; }
  .research-ui .rd-coverage > summary span { display: block; margin: 4px 0 0 15px; font-size: 10px; }
  .research-ui .rd-destination { flex-wrap: wrap; }
  .research-ui .rd-destination label { font-size: 10px; }
  .research-ui #rd-notebook-select { width: 116px; flex: 1; }
  .research-ui #rd-export { font-size: 10.5px; padding: 7px 8px; }
  .research-ui .rd-result { gap: 10px; padding: 18px 0; }
  .research-ui .rd-result-number { width: 20px; font-size: 14px; padding-top: 2px; }
  .research-ui .rd-result h4 { font-size: 16px; }
  .research-ui .rd-article-meta { gap: 3px 8px; font-size: 9px; }
  .research-ui .rd-article-summary { font-size: 12px; line-height: 1.9; }
  .research-ui .rd-result-footer { gap: 8px; }
  .research-ui .rd-origin { font-size: 9.5px; }
  .research-ui .rd-empty { padding: 34px 10px; }
  .research-ui .rd-empty h4 { font-size: 19px; }
  .research-ui .rd-empty p { font-size: 12px; }
  .research-ui .rd-notice { align-items: flex-start; flex-direction: column; }
  .research-ui .nb-sidebar { gap: 0 15px; }
  .research-ui :is(.nb-export-tools, .nb-backup-tools) h3 { font-size: 11px; }
  .research-ui #nb-current-name { font-size: 21px; }
  .research-ui .nb-local-tag { font-size: 8px; padding: 2px 5px; }
  .research-ui .nb-note-editor textarea { font-size: 16px; }
  .research-ui .nb-export-tools > div { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .research-ui *,
  button.research-save { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
@media print {
  .research-ui .nb-sidebar,
  .research-ui .nb-note-footer button,
  .research-ui .nb-remove-article,
  .research-ui .rd-header > button { display: none; }
  .research-ui .nb-workspace { display: block; }
  .research-ui .nb-entry { break-inside: avoid; grid-template-columns: 1fr 1fr; }
  .research-ui .nb-note-editor textarea { border-color: var(--line); }
}