/* BioStudio AI — Design Studio.
   Layout and controls shared by the Protein, Panel and Stability designers.
   Everything is scoped under .design-studio-root so the embedded Assay
   Designer keeps its own styling untouched. */

.design-studio-root {
  --ds-gap: 14px;
  --ds-radius: 10px;
  --ds-border: var(--st-border, rgba(128, 145, 165, 0.28));
  --ds-muted: var(--st-muted, #69788a);
  --ds-error: #f0506e;
  --ds-warn: #f0b429;
  --ds-ok: #36d39a;
  --ds-note: #8899a6;
}

/* --- Section frame ------------------------------------------------------ */
.design-studio-root .ds-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ds-gap);
  margin-bottom: 12px;
}
.design-studio-root .ds-heading-title { font-size: 17px; font-weight: 650; }
.design-studio-root .ds-heading-sub {
  font-size: 12.5px;
  color: var(--ds-muted);
  margin-top: 3px;
  max-width: 78ch;
  line-height: 1.5;
}
.design-studio-root .ds-heading-actions { display: flex; gap: 8px; flex: 0 0 auto; }

.design-studio-root .ds-subtabs,
.design-studio-root .ds-tabs-inline {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--ds-border);
  margin-bottom: var(--ds-gap);
}
.design-studio-root .ds-subtab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--ds-muted);
  font: inherit;
  font-size: 12.5px;
  padding: 7px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.design-studio-root .ds-subtab:hover { color: inherit; }
.design-studio-root .ds-subtab.active {
  color: inherit;
  font-weight: 600;
  border-bottom-color: var(--st-accent, #2f6bd4);
}
.design-studio-root .ds-subtab-badge {
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 8px;
  color: #fff;
  background: var(--ds-note);
}
.design-studio-root .ds-subtab-badge.error { background: var(--ds-error); }
.design-studio-root .ds-subtab-badge.warning { background: var(--ds-warn); color: #3a2a00; }

.design-studio-root .ds-section-body { display: flex; flex-direction: column; gap: var(--ds-gap); }

.design-studio-root .ds-split {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 1fr);
  gap: var(--ds-gap);
  align-items: start;
}
.design-studio-root .ds-split-main,
.design-studio-root .ds-split-rail { display: flex; flex-direction: column; gap: var(--ds-gap); min-width: 0; }
@media (max-width: 1100px) {
  .design-studio-root .ds-split { grid-template-columns: minmax(0, 1fr); }
}

.design-studio-root .ds-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}
.design-studio-root .ds-two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--ds-gap);
}

/* --- Metrics ------------------------------------------------------------ */
.design-studio-root .ds-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  gap: 8px;
  margin: 4px 0 10px;
}
.design-studio-root .ds-metric {
  background: var(--st-panel-2, rgba(128, 145, 165, 0.08));
  border: 1px solid var(--ds-border);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 0;
}
.design-studio-root .ds-metric-value {
  font-size: 15px;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.design-studio-root .ds-metric-label { font-size: 10.5px; color: var(--ds-muted); margin-top: 2px; }

/* --- Findings ----------------------------------------------------------- */
.design-studio-root .ds-findings { display: flex; flex-direction: column; gap: 6px; }
.design-studio-root .ds-findings-empty { font-size: 12.5px; color: var(--ds-muted); padding: 10px 2px; }
.design-studio-root .ds-finding {
  border: 1px solid var(--ds-border);
  border-left-width: 3px;
  border-radius: 7px;
  padding: 8px 10px;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.06));
}
.design-studio-root .ds-finding.error { border-left-color: var(--ds-error); }
.design-studio-root .ds-finding.warning { border-left-color: var(--ds-warn); }
.design-studio-root .ds-finding.note { border-left-color: var(--ds-note); }
.design-studio-root .ds-finding.clickable { cursor: pointer; }
.design-studio-root .ds-finding-head { display: flex; align-items: baseline; gap: 8px; }
.design-studio-root .ds-finding-level {
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  flex: 0 0 auto;
}
.design-studio-root .ds-finding-level.error { color: var(--ds-error); }
.design-studio-root .ds-finding-level.warning { color: #b07800; }
.design-studio-root .ds-finding-level.note { color: var(--ds-note); }
.design-studio-root .ds-finding-title { font-size: 12.5px; font-weight: 600; }
.design-studio-root .ds-finding-detail {
  font-size: 12px;
  color: var(--ds-muted);
  margin-top: 4px;
  line-height: 1.5;
}

.design-studio-root .ds-ok { font-size: 12.5px; color: #0f8a63; font-weight: 550; }
.design-studio-root .ds-warn { font-size: 12.5px; color: #b07800; font-weight: 550; }
.design-studio-root .ds-error { font-size: 12.5px; color: var(--ds-error); font-weight: 600; }

.design-studio-root .ds-caveat {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--ds-muted);
  background: rgba(240, 180, 41, 0.09);
  border: 1px solid rgba(240, 180, 41, 0.3);
  border-radius: 7px;
  padding: 8px 10px;
  margin-top: 10px;
}
.design-studio-root .ds-caveat-mark {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--ds-warn);
  color: #3a2a00;
  font-size: 10px;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.design-studio-root .ds-import-hint {
  font-size: 11.5px;
  color: var(--ds-muted);
  line-height: 1.5;
  margin: 6px 0;
}
.design-studio-root .ds-inspector-note { font-size: 12px; color: var(--ds-muted); line-height: 1.5; margin: 0 0 8px; }

/* --- Parts palette ------------------------------------------------------ */
.design-studio-root .ds-palette-controls { display: flex; gap: 8px; margin-bottom: 10px; }
.design-studio-root .ds-palette-controls > * { flex: 1 1 auto; min-width: 0; }

.design-studio-root .ds-palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 6px;
  max-height: 340px;
  overflow-y: auto;
}
.design-studio-root .ds-part {
  appearance: none;
  text-align: left;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.07));
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 7px 9px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font: inherit;
  color: inherit;
  min-width: 0;
}
.design-studio-root .ds-part:hover { border-color: var(--st-accent, #2f6bd4); }
.design-studio-root .ds-part-dot { width: 8px; height: 8px; border-radius: 50%; }
.design-studio-root .ds-part-name { font-size: 12.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.design-studio-root .ds-part-meta { font-size: 10.5px; color: var(--ds-muted); }
.design-studio-root .ds-palette-foot { display: flex; gap: 8px; margin-top: 10px; }

.design-studio-root .ds-templates { display: flex; flex-direction: column; gap: 6px; }
.design-studio-root .ds-template {
  appearance: none;
  text-align: left;
  background: transparent;
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 9px 10px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.design-studio-root .ds-template:hover { border-color: var(--st-accent, #2f6bd4); background: var(--st-panel-2, rgba(128, 145, 165, 0.07)); }
.design-studio-root .ds-template span { font-size: 11.5px; color: var(--ds-muted); line-height: 1.45; }

/* --- Construct chain ---------------------------------------------------- */
.design-studio-root .ds-reorder { display: flex; flex-direction: column; gap: 8px; }
.design-studio-root .ds-reorder-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  border: 1px solid var(--ds-border);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.05));
}
.design-studio-root .ds-reorder-row.dragging { opacity: 0.45; }
.design-studio-root .ds-reorder-row.drop-target { border-color: var(--st-accent, #2f6bd4); border-style: dashed; }
.design-studio-root .ds-reorder-grip { cursor: grab; color: var(--ds-muted); font-size: 14px; line-height: 1.6; user-select: none; }

.design-studio-root .ds-element { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.design-studio-root .ds-element-main { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.design-studio-root .ds-element-dot { width: 9px; height: 9px; border-radius: 3px; flex: 0 0 auto; }
.design-studio-root .ds-element-name {
  flex: 1 1 150px;
  min-width: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  color: inherit;
  padding: 2px 0;
}
.design-studio-root .ds-element-name:focus { outline: none; border-bottom-color: var(--st-accent, #2f6bd4); }
.design-studio-root .ds-element-len { font-size: 11px; color: var(--ds-muted); }
.design-studio-root .ds-element-flag {
  font-size: 10px;
  font-weight: 650;
  color: #b07800;
  background: rgba(240, 180, 41, 0.16);
  border-radius: 4px;
  padding: 2px 5px;
}
.design-studio-root .ds-element-tools { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.design-studio-root .ds-element-tools .st-input { max-width: 190px; font-size: 11.5px; padding: 3px 6px; }
.design-studio-root .ds-element-seq {
  width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  resize: vertical;
  border: 1px solid var(--ds-border);
  border-radius: 6px;
  padding: 6px 8px;
  background: var(--st-panel, transparent);
  color: inherit;
}
.design-studio-root .ds-element-note { font-size: 11.5px; color: var(--ds-muted); line-height: 1.45; }
.design-studio-root .ds-element-warn {
  font-size: 11.5px;
  color: #b07800;
  line-height: 1.45;
  padding-left: 12px;
  position: relative;
}
.design-studio-root .ds-element-warn::before { content: "▸"; position: absolute; left: 0; }

.design-studio-root .ds-chain-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 11.5px;
  color: var(--ds-muted);
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--ds-border);
}

.design-studio-root .ds-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.design-studio-root .ds-checks { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 8px 0; }

.design-studio-root .ds-details { margin-top: 6px; }
.design-studio-root .ds-details > summary {
  cursor: pointer;
  font-size: 11.5px;
  color: var(--ds-muted);
  padding: 3px 0;
}
.design-studio-root .ds-textarea {
  width: 100%;
  font: inherit;
  font-size: 12px;
  line-height: 1.5;
  border: 1px solid var(--ds-border);
  border-radius: 6px;
  padding: 7px 9px;
  background: var(--st-panel, transparent);
  color: inherit;
  resize: vertical;
}

.design-studio-root .ds-host-facts { display: flex; flex-direction: column; gap: 4px; margin: 8px 0; }
.design-studio-root .ds-fact { display: flex; justify-content: space-between; gap: 10px; font-size: 11.5px; }
.design-studio-root .ds-fact span { color: var(--ds-muted); }

/* --- Figures ------------------------------------------------------------ */
.design-studio-root .ds-figure { width: 100%; overflow-x: auto; }
.design-studio-root .ds-figure svg { display: block; max-width: 100%; height: auto; }
.design-studio-root .ds-figure-tools { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.design-studio-root .ds-gc-track svg,
.design-studio-root .ds-cassette-map svg { width: 100%; }

.design-studio-root .ds-steps { margin: 0 0 12px; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.design-studio-root .ds-steps li { font-size: 12.5px; line-height: 1.5; }
.design-studio-root .ds-steps strong { display: block; }
.design-studio-root .ds-steps span { color: var(--ds-muted); font-size: 11.5px; }

.design-studio-root .ds-score-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.18));
  overflow: hidden;
  margin: 4px 0 12px;
}
.design-studio-root .ds-score-fill { height: 100%; border-radius: 4px; transition: width 0.2s ease; }

.design-studio-root .ds-composition {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 96px;
  padding-top: 6px;
}
.design-studio-root .ds-comp-bar {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  gap: 3px;
  min-width: 0;
}
.design-studio-root .ds-comp-fill {
  width: 100%;
  background: var(--st-accent, #2f6bd4);
  opacity: 0.75;
  border-radius: 2px 2px 0 0;
  min-height: 1px;
}
.design-studio-root .ds-comp-bar span { font-size: 9px; color: var(--ds-muted); font-family: ui-monospace, monospace; }

/* --- Sequence block ----------------------------------------------------- */
.design-studio-root .ds-seq-wrap { display: flex; flex-direction: column; gap: 6px; }
.design-studio-root .ds-seq-tools { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.design-studio-root .ds-seq-len { font-size: 11.5px; color: var(--ds-muted); }
.design-studio-root .ds-seq {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  line-height: 1.65;
  overflow-x: auto;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.07));
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 9px 11px;
  max-height: 320px;
  overflow-y: auto;
}
.design-studio-root .ds-seq-line { white-space: pre; }
.design-studio-root .ds-seq-num { color: var(--ds-muted); user-select: none; margin-right: 10px; }
.design-studio-root .ds-seq-chunk { margin-right: 7px; }
.design-studio-root .ds-seq-empty { font-size: 12.5px; color: var(--ds-muted); }

.design-studio-root .ds-seq-list { display: flex; flex-direction: column; gap: 6px; max-height: 380px; overflow-y: auto; }
.design-studio-root .ds-seq-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 7px 10px;
}
.design-studio-root .ds-seq-item strong { font-size: 12.5px; display: block; }
.design-studio-root .ds-seq-meta { font-size: 10.5px; color: var(--ds-muted); }

.design-studio-root .ds-import {
  border: 1px dashed var(--st-accent, #2f6bd4);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.design-studio-root .ds-import h4 { margin: 0; font-size: 13px; }
.design-studio-root .ds-import-options { display: flex; flex-direction: column; gap: 6px; }
.design-studio-root .ds-import-option {
  appearance: none;
  text-align: left;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.07));
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 7px 10px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.design-studio-root .ds-import-option:hover { border-color: var(--st-accent, #2f6bd4); }
.design-studio-root .ds-import-option span { font-size: 11px; color: var(--ds-muted); }
.design-studio-root .ds-import-option code { font-size: 10.5px; font-family: ui-monospace, monospace; color: var(--ds-muted); }

/* --- DNA controls ------------------------------------------------------- */
.design-studio-root .ds-enzymes { display: flex; flex-wrap: wrap; gap: 5px; margin: 6px 0; }
.design-studio-root .ds-enzyme {
  appearance: none;
  border: 1px solid var(--ds-border);
  border-radius: 999px;
  background: transparent;
  color: var(--ds-muted);
  font: inherit;
  font-size: 11px;
  padding: 3px 9px;
  cursor: pointer;
}
.design-studio-root .ds-enzyme.on {
  background: var(--st-accent, #2f6bd4);
  border-color: var(--st-accent, #2f6bd4);
  color: #fff;
  font-weight: 600;
}
.design-studio-root .ds-enzyme-more { font-size: 10.5px; color: var(--ds-muted); }

/* --- Export tiles ------------------------------------------------------- */
.design-studio-root .ds-export-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 8px;
}
.design-studio-root .ds-export {
  appearance: none;
  text-align: left;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.07));
  border: 1px solid var(--ds-border);
  border-radius: 8px;
  padding: 9px 11px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
}
.design-studio-root .ds-export:hover { border-color: var(--st-accent, #2f6bd4); }
.design-studio-root .ds-export strong { font-size: 12.5px; }
.design-studio-root .ds-export span { font-size: 11px; color: var(--ds-muted); line-height: 1.4; }

.design-studio-root .ds-preview {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-wrap;
  max-height: 420px;
  overflow-y: auto;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.07));
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 10px 12px;
  margin: 0;
}

/* --- Matrices ----------------------------------------------------------- */
.design-studio-root .ds-matrix-wrap { overflow-x: auto; max-width: 100%; }
.design-studio-root .ds-matrix { border-collapse: collapse; font-size: 11px; }
.design-studio-root .ds-matrix th,
.design-studio-root .ds-matrix td {
  border: 1px solid var(--ds-border);
  padding: 3px 6px;
  text-align: center;
  white-space: nowrap;
}
.design-studio-root .ds-matrix-corner { position: sticky; left: 0; z-index: 2; background: var(--st-panel, #fff); }
.design-studio-root .ds-matrix-row {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--st-panel, #fff);
  text-align: left;
  font-weight: 600;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.design-studio-root .ds-matrix-col { vertical-align: bottom; height: 118px; padding: 4px 2px; }
.design-studio-root .ds-matrix-col > span {
  display: inline-block;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  max-height: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}
.design-studio-root .ds-matrix-sub { display: block; font-size: 9.5px; font-weight: 400; color: var(--ds-muted); }

.design-studio-root .ds-study-matrix .ds-matrix-col { height: auto; }
.design-studio-root .ds-study-matrix .ds-matrix-col > span { writing-mode: horizontal-tb; transform: none; }
.design-studio-root .ds-cell { cursor: pointer; min-width: 34px; color: var(--ds-muted); }
.design-studio-root .ds-cell.on {
  background: rgba(47, 155, 240, 0.22);
  color: inherit;
  font-weight: 650;
}
.design-studio-root .ds-cell.total { background: transparent; cursor: default; font-weight: 650; }

.design-studio-root .ds-legend-row { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; }
.design-studio-root .ds-legend { display: inline-flex; align-items: center; gap: 5px; font-size: 10.5px; color: var(--ds-muted); }
.design-studio-root .ds-legend-dot { width: 9px; height: 9px; border-radius: 2px; }

/* --- Panel designer ----------------------------------------------------- */
.design-studio-root .ds-instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 8px;
}
.design-studio-root .ds-instrument {
  appearance: none;
  text-align: left;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.06));
  border: 1px solid var(--ds-border);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.design-studio-root .ds-instrument:hover { border-color: var(--st-accent, #2f6bd4); }
.design-studio-root .ds-instrument.active {
  border-color: var(--st-accent, #2f6bd4);
  box-shadow: inset 0 0 0 1px var(--st-accent, #2f6bd4);
}
.design-studio-root .ds-instrument-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.design-studio-root .ds-instrument-vendor,
.design-studio-root .ds-instrument-meta { font-size: 11px; color: var(--ds-muted); }
.design-studio-root .ds-instrument-note { font-size: 12px; color: var(--ds-muted); line-height: 1.5; margin-top: 10px; }

.design-studio-root .ds-badge {
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  border-radius: 4px;
  padding: 2px 5px;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.2));
  color: var(--ds-muted);
}
.design-studio-root .ds-badge.spectral { background: rgba(124, 92, 255, 0.18); color: #6a48e0; }
.design-studio-root .ds-badge.conventional { background: rgba(47, 155, 240, 0.18); color: #1f74b8; }
.design-studio-root .ds-badge.critical { background: rgba(240, 80, 110, 0.16); color: var(--ds-error); margin-left: 6px; }

.design-studio-root .ds-lasers { display: flex; flex-direction: column; gap: 10px; }
.design-studio-root .ds-laser-head { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.design-studio-root .ds-laser-head span:last-child { color: var(--ds-muted); font-size: 11px; }
.design-studio-root .ds-laser-dot { width: 10px; height: 10px; border-radius: 50%; }
.design-studio-root .ds-detectors { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; padding-left: 18px; }
.design-studio-root .ds-detector {
  font-size: 10.5px;
  font-family: ui-monospace, monospace;
  border: 1px solid var(--ds-border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--ds-muted);
}
.design-studio-root .ds-detector.editable { display: inline-flex; align-items: center; gap: 3px; padding: 2px 4px; }
.design-studio-root .ds-detector.editable .st-input { width: 54px; font-size: 10.5px; padding: 1px 4px; }

.design-studio-root .ds-markers,
.design-studio-root .ds-conditions { display: flex; flex-direction: column; gap: 8px; }
.design-studio-root .ds-marker,
.design-studio-root .ds-condition {
  border: 1px solid var(--ds-border);
  border-radius: 8px;
  padding: 9px 11px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.05));
}
.design-studio-root .ds-marker-main,
.design-studio-root .ds-condition-main { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.design-studio-root .ds-marker-main .st-input,
.design-studio-root .ds-condition-main .st-input { max-width: 200px; font-size: 11.5px; padding: 3px 6px; }
.design-studio-root .ds-marker-flags { display: flex; gap: 14px; flex-wrap: wrap; }
.design-studio-root .ds-coexpress { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 6px 0; }
.design-studio-root .ds-condition-env { display: flex; gap: 10px; flex-wrap: wrap; }
.design-studio-root .ds-condition-env .st-field { flex: 0 0 auto; }
.design-studio-root .ds-condition-env .st-input { width: 90px; }

.design-studio-root .ds-marker-ref {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 5px;
  max-height: 400px;
  overflow-y: auto;
}

.design-studio-root .ds-assign-table { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; }
.design-studio-root .ds-assign-head,
.design-studio-root .ds-assign-row {
  display: grid;
  grid-template-columns: minmax(120px, 1.4fr) minmax(90px, 1fr) minmax(170px, 1.6fr) 74px minmax(100px, 1fr) 44px;
  gap: 8px;
  align-items: center;
}
.design-studio-root .ds-assign-head {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ds-muted);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ds-border);
}
.design-studio-root .ds-assign-row { font-size: 12px; padding: 4px 0; border-bottom: 1px solid rgba(128, 145, 165, 0.14); }
.design-studio-root .ds-assign-row.viability { background: rgba(128, 145, 165, 0.07); }
.design-studio-root .ds-assign-row .st-input { font-size: 11.5px; padding: 3px 6px; }
.design-studio-root .ds-assign-marker { font-weight: 600; }
.design-studio-root .ds-assign-detector { font-family: ui-monospace, monospace; font-size: 10.5px; color: var(--ds-muted); }
@media (max-width: 900px) {
  .design-studio-root .ds-assign-head { display: none; }
  .design-studio-root .ds-assign-row { grid-template-columns: 1fr 1fr; }
}

.design-studio-root .ds-brightness { display: inline-flex; gap: 2px; }
.design-studio-root .ds-bright-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ds-border);
}
.design-studio-root .ds-bright-pip.on { background: var(--st-accent, #2f6bd4); }

.design-studio-root .ds-dye-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 5px;
  max-height: 320px;
  overflow-y: auto;
}
.design-studio-root .ds-dye {
  appearance: none;
  display: grid;
  grid-template-columns: 10px 1fr auto;
  grid-template-rows: auto auto;
  gap: 2px 6px;
  align-items: center;
  text-align: left;
  background: transparent;
  border: 1px solid var(--ds-border);
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
.design-studio-root .ds-dye.on { border-color: var(--st-accent, #2f6bd4); background: rgba(47, 107, 212, 0.09); }
.design-studio-root .ds-dye.unavailable { opacity: 0.4; }
.design-studio-root .ds-dye-dot { width: 8px; height: 8px; border-radius: 50%; grid-row: span 2; }
.design-studio-root .ds-dye-name { font-size: 11.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.design-studio-root .ds-dye-meta { font-size: 10px; color: var(--ds-muted); grid-column: 2; }
.design-studio-root .ds-dye-bright { font-size: 7px; color: var(--st-accent, #2f6bd4); letter-spacing: -1px; grid-column: 3; grid-row: 1 / span 2; }

.design-studio-root .ds-verdict {
  font-size: 12px;
  font-weight: 650;
  text-align: center;
  border-radius: 6px;
  padding: 6px;
  margin-top: 8px;
}
.design-studio-root .ds-verdict.blocked { background: rgba(240, 80, 110, 0.16); color: var(--ds-error); }
.design-studio-root .ds-verdict.workable-with-changes { background: rgba(240, 180, 41, 0.16); color: #a07000; }
.design-studio-root .ds-verdict.ready-to-order { background: rgba(54, 211, 154, 0.16); color: #0f8a63; }

.design-studio-root .ds-attr-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 5px 12px;
  max-height: 320px;
  overflow-y: auto;
}
.design-studio-root .ds-attr-picker .ds-check { white-space: normal; align-items: flex-start; }
.design-studio-root .ds-attr-meta { font-size: 10px; color: var(--ds-muted); margin-left: 4px; }

/* --- Home --------------------------------------------------------------- */
.design-studio-root .ds-home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 10px;
  margin-bottom: var(--ds-gap);
}
.design-studio-root .ds-home-card {
  appearance: none;
  text-align: left;
  background: var(--st-panel-2, rgba(128, 145, 165, 0.06));
  border: 1px solid var(--ds-border);
  border-left: 3px solid var(--accent, #2f6bd4);
  border-radius: 9px;
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.design-studio-root .ds-home-card:hover { border-color: var(--accent, #2f6bd4); }
.design-studio-root .ds-home-title { font-size: 14px; font-weight: 650; }
.design-studio-root .ds-home-blurb { font-size: 12px; color: var(--ds-muted); line-height: 1.5; }
.design-studio-root .ds-home-detail {
  font-size: 11px;
  color: var(--accent, #2f6bd4);
  font-weight: 600;
  margin-top: auto;
  padding-top: 6px;
}

.design-studio-root .ds-chain-diagram {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 0 10px;
}
.design-studio-root .ds-chain-step {
  border: 1px solid var(--ds-border);
  border-radius: 7px;
  padding: 7px 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.design-studio-root .ds-chain-step strong { font-size: 12px; }
.design-studio-root .ds-chain-step span { font-size: 10.5px; color: var(--ds-muted); }
.design-studio-root .ds-chain-arrow { color: var(--ds-muted); font-size: 15px; }

/* The embedded Assay Designer brings its own layout; give it room to fill. */
.design-studio-root .ds-assay-host {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 560px;
  width: 100%;
}
.design-studio-root .ds-assay-host > * { flex: 1 1 auto; min-height: 0; }

/* Dark theme: the sticky matrix headers need an opaque backing. */
:root[data-theme="dark"] .design-studio-root .ds-matrix-corner,
:root[data-theme="dark"] .design-studio-root .ds-matrix-row {
  background: var(--st-panel, #141b24);
}

/* =======================================================================
   Graph Studio look & feel
   -----------------------------------------------------------------------
   Design Studio uses the shared studio shell, but is skinned to match
   Graph Studio: the GraphPad-Prism palette (blue ribbon strip, teal
   accent, gray/white sheet), the toolbar rendered as a ribbon strip with
   the sections as ribbon tabs beneath it, and the same flat card, button
   and table treatment. Everything is scoped to .design-studio-root, so no
   other studio — nor the embedded Assay Designer's own chrome — changes.
   ======================================================================= */

.design-studio-root .studio {
  --pr-blue: #2f6bd4;
  --pr-blue-dk: #21508f;
  --pr-teal: #16a0a0;
  --pr-shadow: 0 1px 3px rgba(20, 40, 80, 0.12);

  --st-bg: #f4f6fa;
  --st-panel: #ffffff;
  --st-panel-2: #eef1f6;
  --st-line: #d7dce6;
  --st-line-soft: #e4ebf7;
  --st-ink: #1f2733;
  --st-ink-soft: #6c7686;
  --st-accent: var(--pr-blue);
  --accent: var(--pr-blue);

  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
}
.design-studio-root .studio,
.design-studio-root {
  --ds-border: var(--st-line, #d7dce6);
  --ds-muted: var(--st-ink-soft, #6c7686);
}

.dark .design-studio-root .studio,
:root[data-theme="dark"] .design-studio-root .studio {
  --st-bg: #1a1d24;
  --st-panel: #20242d;
  --st-panel-2: #181b21;
  --st-line: #333a47;
  --st-line-soft: #2a3140;
  --st-ink: #e8ecf3;
  --st-ink-soft: #9aa5b5;
  --pr-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* ---- Ribbon strip (the studio toolbar) --------------------------------- */
.design-studio-root .st-toolbar {
  background: linear-gradient(180deg, var(--pr-blue), var(--pr-blue-dk));
  color: #fff;
  border-bottom: 0;
  padding: 0 10px;
  min-height: 30px;
  gap: 10px;
}
.design-studio-root .st-brand {
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.design-studio-root .st-brand svg { color: #bfe0ff; }
.design-studio-root .st-tbtn {
  height: 21px;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}
.design-studio-root .st-tbtn:hover { background: rgba(255, 255, 255, 0.22); }
.design-studio-root .st-tbtn.ai {
  background: var(--pr-teal);
  border-color: rgba(255, 255, 255, 0.3);
}
.design-studio-root .st-tbtn.ai.on { background: #fff; color: var(--pr-teal); }
.design-studio-root .st-tbtn .st-ai-badge { background: rgba(255, 255, 255, 0.22); }
.design-studio-root .st-tbtn.ai.on .st-ai-badge { background: var(--pr-teal); }

/* Legacy createStudio layout restyles. Graph Studio chrome no longer uses
   .studio; keep these inert so they cannot collapse the navigator to a
   full-width tab strip (that left the canvas at 0px). */
.design-studio-root .studio .st-body { flex-direction: column; }
.design-studio-root .studio .st-sidebar-wrap {
  flex: 0 0 auto;
  width: 100%;
  min-height: 0;
}
.design-studio-root .studio .st-sidebar-wrap .st-sidebar,
.design-studio-root .studio .st-sidebar {
  flex: 0 0 auto;
  width: 100%;
  padding: 0 8px;
  overflow-x: auto;
  overflow-y: hidden;
  border-right: 0;
  border-bottom: 1px solid var(--st-line);
  background: var(--st-panel);
  box-shadow: var(--pr-shadow);
  z-index: 6;
}
.design-studio-root .studio .st-sidebar-resizer { display: none; }

.design-studio-root .studio .st-nav {
  flex-direction: row;
  align-items: stretch;
  gap: 2px;
  min-height: 30px;
}
.design-studio-root .studio .st-nav-item {
  width: auto;
  flex: 0 0 auto;
  gap: 6px;
  padding: 0 13px;
  line-height: 30px;
  border-radius: 6px 6px 0 0;
  border-bottom: 2px solid transparent;
  font-size: 12px;
  font-weight: 600;
  color: var(--st-ink-soft);
  white-space: nowrap;
}
.design-studio-root .studio .st-nav-item:hover { background: var(--st-line-soft); color: var(--st-ink); }
.design-studio-root .studio .st-nav-item.active {
  background: transparent;
  color: var(--pr-blue-dk);
  border-bottom-color: var(--pr-blue);
  font-weight: 700;
}
.dark .design-studio-root .studio .st-nav-item.active,
:root[data-theme="dark"] .design-studio-root .studio .st-nav-item.active { color: #8fb6f2; }
.design-studio-root .studio .st-nav-ico {
  width: auto;
  color: var(--pr-blue);
  font-size: 12px;
}
.design-studio-root .studio .st-nav-item.active .st-nav-ico { color: inherit; }

.design-studio-root .studio .st-center { flex: 1; min-height: 0; }
.design-studio-root .studio .st-workspace { background: var(--st-bg); padding: 14px; }
.design-studio-root .studio .st-inspector {
  background: var(--st-panel-2);
  border-left: 1px solid var(--st-line);
  padding: 12px;
}
.design-studio-root .studio .st-inspector:empty { display: none; }
.design-studio-root .studio .st-center:has(> .st-inspector:empty) > .st-inspector-resizer { display: none; }

/* ---- Cards, buttons, tables ------------------------------------------- */
.design-studio-root .st-card {
  border: 1px solid var(--st-line);
  border-radius: 8px;
  box-shadow: var(--pr-shadow);
  padding: 12px;
  margin-bottom: 10px;
}
.design-studio-root .st-card-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--st-ink-soft);
  margin-bottom: 8px;
}
.design-studio-root .st-btn {
  border: 1px solid var(--st-line);
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 10px;
}
.design-studio-root .st-btn:hover { background: var(--st-line-soft); border-color: var(--pr-blue); }
.design-studio-root .st-btn.primary {
  background: var(--pr-blue);
  border-color: var(--pr-blue);
  color: #fff;
}
.design-studio-root .st-btn.primary:hover { background: var(--pr-blue-dk); border-color: var(--pr-blue-dk); }
.design-studio-root .st-input,
.design-studio-root .st-select,
.design-studio-root .st-textarea { border-radius: 6px; border-color: var(--st-line); }
.design-studio-root .st-input:focus,
.design-studio-root .st-select:focus,
.design-studio-root .st-textarea:focus { border-color: var(--pr-blue); outline: none; }

/* ---- Design Studio primitives, re-tinted ------------------------------ */
.design-studio-root .ds-heading-title { font-size: 15px; font-weight: 700; }
.design-studio-root .ds-subtab.active { border-bottom-color: var(--pr-blue); color: var(--pr-blue-dk); }
.design-studio-root .ds-home-card {
  background: var(--st-panel);
  border: 1px solid var(--st-line);
  border-left: 3px solid var(--accent, var(--pr-blue));
  border-radius: 8px;
  box-shadow: var(--pr-shadow);
}
.design-studio-root .ds-home-card:hover { background: var(--st-line-soft); }
.design-studio-root .ds-export {
  border-radius: 6px;
  border-color: var(--st-line);
}
.design-studio-root .ds-export:hover { border-color: var(--pr-blue); background: var(--st-line-soft); }
.design-studio-root .ds-chain-step {
  background: var(--st-panel);
  border-color: var(--st-line);
  box-shadow: var(--pr-shadow);
}
.design-studio-root .ds-chain-arrow { color: var(--pr-blue); }

/* The OS themes (#os.theme-*) style the shared nav with an id-level selector;
   match that weight so the ribbon tabs keep their look under every theme. */
#os .design-studio-root .studio .st-nav-item {
  background: transparent;
  color: var(--st-ink-soft);
  border-radius: 6px 6px 0 0;
  border-bottom: 2px solid transparent;
  box-shadow: none;
}
#os .design-studio-root .studio .st-nav-item:hover { background: var(--st-line-soft); color: var(--st-ink); }
#os .design-studio-root .studio .st-nav-item.active {
  background: transparent;
  color: var(--pr-blue-dk, #21508f);
  border-bottom-color: var(--pr-blue, #2f6bd4);
  font-weight: 700;
  box-shadow: none;
}
#os.dark .design-studio-root .studio .st-nav-item.active,
#os .dark .design-studio-root .studio .st-nav-item.active { color: #8fb6f2; }

/* =======================================================================
   Graph Studio chrome (ribbon + navigator + canvas + sheet tabs + status)
   ======================================================================= */

.design-studio-root {
  --pr-blue: #2f6bd4;
  --pr-blue-dk: #21508f;
  --pr-teal: #16a0a0;
  --pr-bg: #f4f6fa;
  --pr-surface: #ffffff;
  --pr-nav-bg: #eef1f6;
  --pr-line: #d7dce6;
  --pr-ink: #1f2733;
  --pr-ink-soft: #6c7686;
  --pr-hover: #e4ebf7;
  --pr-active: #d6e4fb;
  --pr-shadow: 0 1px 3px rgba(20, 40, 80, 0.12);
  --ds-nav-w: 228px;
  --ds-inspector-w: 292px;
  --st-bg: var(--pr-bg);
  --st-panel: var(--pr-surface);
  --st-panel-2: var(--pr-nav-bg);
  --st-line: var(--pr-line);
  --st-ink: var(--pr-ink);
  --st-ink-soft: var(--pr-ink-soft);
  --st-accent: var(--pr-blue);
  color: var(--pr-ink);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
}
/* Fill the window. Tokens stay on .design-studio-root (the mount = window-body);
   layout lives on .ds-app so we do not fight the project-context bar flex. */
.window-body.has-project-context-bar > .ds-app {
  flex: 1 1 auto;
  min-height: 0;
  height: auto;
  overflow: hidden;
}
.window-body:not(.has-project-context-bar) > .ds-app {
  position: absolute;
  inset: 0;
}
.dark .design-studio-root,
:root[data-theme="dark"] .design-studio-root {
  --pr-bg: #1a1d24;
  --pr-surface: #20242d;
  --pr-nav-bg: #181b21;
  --pr-line: #333a47;
  --pr-ink: #e8ecf3;
  --pr-ink-soft: #9aa5b5;
  --pr-hover: #2a3140;
  --pr-active: #2f3e58;
  --pr-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.ds-app {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--pr-bg);
  color: var(--pr-ink);
  overflow: hidden;
  container-type: inline-size;
  container-name: ds-app;
}
.ds-chrome-body { flex: 1; display: flex; min-height: 0; }
.ds-chrome-center { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--pr-surface); }

.ds-chrome-ribbon { background: var(--pr-surface); border-bottom: 1px solid var(--pr-line); box-shadow: var(--pr-shadow); z-index: 6; flex: 0 0 auto; overflow: visible; }
.ds-ribbon-inner { display: flex; flex-direction: column; overflow: visible; }
.ds-ribbon-strip {
  display: flex; align-items: stretch; gap: 10px;
  background: linear-gradient(180deg, var(--pr-blue), var(--pr-blue-dk));
  color: #fff; padding: 0 10px; height: 30px;
  overflow: visible; min-width: 0;
}
.ds-ribbon-brand { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 12.5px; letter-spacing: .2px; padding-right: 6px; white-space: nowrap; }
.ds-ribbon-mark { display: inline-flex; color: #bfe0ff; }
.ds-ribbon-mark svg { width: 14px; height: 14px; }
.ds-ribbon-tabs { display: flex; align-items: stretch; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.ds-ribbon-tabs::-webkit-scrollbar { display: none; }
.ds-ribbon-tab {
  border: none; background: transparent; color: rgba(255,255,255,.78);
  padding: 0 13px; font-size: 12px; font-weight: 600; cursor: pointer;
  border-radius: 6px 6px 0 0; line-height: 30px;
}
.ds-ribbon-tab:hover { background: rgba(255,255,255,.12); color: #fff; }
.ds-ribbon-tab.active { color: var(--pr-blue-dk); background: var(--pr-surface); }
.ds-ribbon-strip-right {
  display: flex; align-items: center; gap: 7px;
  margin-left: auto; position: relative; z-index: 12;
  flex: none; min-width: 0; overflow: visible;
}

/* Frosted 22px chips on the blue strip — match search, not OS light pills. */
.design-studio-root .ds-ribbon-ruo,
.design-studio-root .ds-ribbon-state {
  display: inline-flex; align-items: center; justify-content: center;
  height: 22px; box-sizing: border-box; flex: none; white-space: nowrap;
  border: 1px solid rgba(255,255,255,.32);
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(min(8px, var(--bs-max-blur, 8px)));
  -webkit-backdrop-filter: blur(min(8px, var(--bs-max-blur, 8px)));
  line-height: 1; padding: 0 8px;
}
.design-studio-root .ds-ribbon-ruo {
  font-size: 10px; font-weight: 800; letter-spacing: .06em;
  border-radius: 999px; color: #ffe8c7;
}
.design-studio-root .ds-ribbon-state {
  font-size: 10px; font-weight: 650;
  border-radius: 999px; color: #eaf5ff;
}
.design-studio-root .ds-ribbon-ruo:hover,
.design-studio-root .ds-ribbon-state:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.5);
}
.ds-ribbon-body { display: flex; align-items: stretch; gap: 6px; padding: 5px 7px; overflow-x: auto; min-height: 0; }
.ds-ribbon-group {
  display: flex; flex-direction: column; gap: 3px;
  padding: 3px 9px; border-radius: 8px;
  background: color-mix(in srgb, var(--pr-ink) 2.5%, transparent);
  border: 1px solid color-mix(in srgb, var(--pr-ink) 6%, transparent);
  flex: 0 0 auto;
}
.ds-ribbon-grouplabel {
  font-size: 9.5px; font-weight: 700; color: var(--pr-ink-soft);
  text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; line-height: 1.2;
}
.ds-ribbon-items { display: flex; align-items: stretch; gap: 2px; }
.ds-ribbon-smallcol { display: flex; flex-direction: column; justify-content: center; gap: 1px; padding: 0 2px; }
.ds-ribbon-smallcol + .ds-ribbon-smallcol { border-left: 1px solid var(--pr-line); padding-left: 7px; }
.ds-rib-big {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; width: 64px; min-height: 46px; padding: 4px 2px;
  border: 1px solid transparent; border-radius: 7px; background: transparent;
  color: var(--pr-ink); cursor: pointer; font-size: 10.5px; text-align: center; line-height: 1.1;
}
.ds-rib-big:hover:not(:disabled) { background: var(--pr-hover); border-color: var(--pr-line); }
.ds-rib-big .ds-rib-icon { color: var(--pr-blue); display: inline-flex; }
.ds-rib-big.primary { background: var(--pr-blue); border-color: var(--pr-blue); color: #fff; font-weight: 700; }
.ds-rib-big.primary .ds-rib-icon { color: #fff; }
.ds-rib-big.primary:hover:not(:disabled) { background: var(--pr-blue-dk); }
.ds-rib-big.accent { background: color-mix(in srgb, var(--pr-teal) 10%, transparent); border-color: color-mix(in srgb, var(--pr-teal) 25%, transparent); font-weight: 600; }
.ds-rib-big.accent .ds-rib-icon { color: var(--pr-teal); }
.ds-rib-big:disabled, .ds-rib-small:disabled { opacity: .4; cursor: default; }
.ds-rib-label { white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.ds-rib-small {
  display: flex; align-items: center; gap: 5px;
  padding: 2px 7px 2px 4px; border: 1px solid transparent; border-radius: 5px;
  background: transparent; color: var(--pr-ink); cursor: pointer; font-size: 11px;
  text-align: left; min-height: 19px; white-space: nowrap;
}
.ds-rib-small:hover:not(:disabled) { background: var(--pr-hover); border-color: var(--pr-line); }
.ds-rib-small .ds-rib-icon-sm { color: var(--pr-blue); display: inline-flex; }
.ds-rib-icon svg, .ds-rib-icon-sm svg { display: block; }
.ds-rib-icon-sm svg { width: 13px; height: 13px; }

.ds-chrome-nav {
  width: var(--ds-nav-w); flex: 0 0 var(--ds-nav-w);
  background: var(--pr-nav-bg); border-right: 1px solid var(--pr-line);
  overflow: auto;
}
.ds-nav-resizer, .ds-inspector-resizer { flex: 0 0 6px; cursor: col-resize; background: transparent; z-index: 2; }
.ds-nav-resizer:hover, .ds-nav-resizer.is-dragging,
.ds-inspector-resizer:hover, .ds-inspector-resizer.is-dragging {
  background: color-mix(in srgb, var(--pr-blue) 35%, transparent);
}
.ds-nav-searchwrap { padding: 6px 8px; position: sticky; top: 0; background: var(--pr-nav-bg); z-index: 2; }
.ds-nav-search {
  width: 100%; padding: 5px 9px; border: 1px solid var(--pr-line); border-radius: 6px;
  background: var(--pr-surface); color: var(--pr-ink); font-size: 12px;
}
.ds-nav-search:focus { outline: none; border-color: var(--pr-blue); }
.ds-nav-tree { display: flex; flex-direction: column; padding-bottom: 8px; }
.ds-nav-section {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px 4px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--pr-ink-soft);
}
.ds-nav-item {
  display: flex; align-items: center; gap: 6px; width: 100%;
  padding: 5px 8px 5px 10px; border: 0; border-left: 3px solid transparent;
  background: transparent; color: var(--pr-ink); cursor: pointer; text-align: left; font-size: 12.5px;
  flex: 0 0 auto; line-height: 1.3; border-radius: 0; white-space: nowrap;
}
.ds-nav-item:hover { background: var(--pr-hover); }
.ds-nav-item.active { background: var(--pr-active); border-left-color: var(--ds-tint, var(--pr-blue)); font-weight: 650; }
.ds-nav-swatch {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  background: var(--ds-tint, var(--pr-blue));
}
.ds-nav-glyph { width: 28px; flex: none; font-size: 10px; font-weight: 800; color: var(--ds-tint, var(--pr-blue)); }
.ds-nav-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-nav-meta { color: var(--pr-ink-soft); font-size: 10px; font-variant-numeric: tabular-nums; max-width: 42%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.ds-chrome-canvas {
  flex: 1; min-width: 0; min-height: 0; overflow: auto;
  padding: 14px 18px 28px; background: var(--pr-surface);
}
.ds-chrome-canvas:has(.ds-assay-host) { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.ds-chrome-inspector {
  width: var(--ds-inspector-w); flex: 0 0 var(--ds-inspector-w);
  background: var(--pr-nav-bg); border-left: 1px solid var(--pr-line);
  overflow: auto; padding: 10px;
}
.ds-chrome-inspector:empty { display: none; }
.ds-chrome-center:has(> .ds-chrome-inspector:empty) + .ds-inspector-resizer,
.ds-app:has(.ds-chrome-inspector:empty) .ds-inspector-resizer { display: none; }

.ds-chrome-sheet-tabs {
  flex: 0 0 auto; display: flex; align-items: stretch;
  background: var(--pr-nav-bg); border-top: 1px solid var(--pr-line); min-height: 28px; padding: 0 8px;
}
.ds-tabs-bar, .ds-tabs-scroll { display: flex; flex: 1; min-width: 0; align-items: flex-end; gap: 2px; overflow-x: auto; }
.ds-tab {
  flex: 0 0 auto; display: inline-flex; align-items: center;
  border: 1px solid var(--pr-line); border-bottom: none;
  background: var(--pr-bg); color: var(--pr-ink-soft);
  padding: 5px 12px; border-radius: 6px 6px 0 0; font-size: 12px;
  cursor: pointer; white-space: nowrap; border-top: 3px solid transparent;
}
.ds-tab:hover { background: var(--pr-hover); }
.ds-tab.active { background: var(--pr-surface); color: var(--pr-ink); font-weight: 700; border-top-color: var(--ds-tint, var(--pr-blue)); }
.ds-chrome-statusbar {
  display: flex; align-items: center; gap: 10px; flex: 0 0 auto;
  padding: 3px 14px; min-height: 22px;
  background: var(--pr-blue-dk); color: rgba(255,255,255,.9); font-size: 11px;
}
.ds-status-message { flex: 0 1 auto; }
.ds-status-section, .ds-status-counts { color: #cfe4ff; }
.ds-status-spacer { flex: 1; }
.ds-ruo { font-weight: 700; color: #ffe8c7; }

.ds-app.ds-hide-nav .ds-chrome-nav,
.ds-app.ds-hide-nav .ds-nav-resizer { display: none; }
.ds-app.ds-hide-inspector .ds-chrome-inspector,
.ds-app.ds-hide-inspector .ds-inspector-resizer { display: none; }
.ds-app.ds-hide-tabs .ds-chrome-sheet-tabs { display: none; }

.design-studio-root .ds-dual {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 1fr);
  gap: var(--ds-gap, 14px);
  align-items: start;
}
@media (max-width: 1100px) {
  .design-studio-root .ds-dual { grid-template-columns: minmax(0, 1fr); }
}
.design-studio-root .ds-dual-graph,
.design-studio-root .ds-dual-table { min-width: 0; }

.design-studio-root .ds-assay-host {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
}
.design-studio-root .st-card { background: var(--pr-surface); }
.design-studio-root .st-input,
.design-studio-root textarea.st-input,
.design-studio-root select.st-input {
  background: var(--pr-surface); color: var(--pr-ink); border-color: var(--pr-line);
}

/* ---- Function / concept search (Design Studio ribbon top-right) ---- */
.design-studio-root .ds-fnsearch {
  position: relative; z-index: 12; flex: none; flex-shrink: 0; align-self: center;
}
.design-studio-root .ds-fnsearch-field {
  display: flex; align-items: center; gap: 6px;
  height: 22px; width: 178px; padding: 0 10px 0 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.38);
  color: #fff;
  box-sizing: border-box;
  backdrop-filter: blur(min(8px, var(--bs-max-blur, 8px)));
  -webkit-backdrop-filter: blur(min(8px, var(--bs-max-blur, 8px)));
  transition: background .14s ease, border-color .14s ease, box-shadow .14s ease, width .18s ease, color .14s ease;
}
.design-studio-root .ds-fnsearch-field:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.5);
}
.design-studio-root .ds-fnsearch.open .ds-fnsearch-field,
.design-studio-root .ds-fnsearch-field.on,
.design-studio-root .ds-fnsearch-field:focus-within {
  background: #fff;
  border-color: #fff;
  color: #1f2733;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow:
    0 0 0 2px rgba(255,255,255,.42),
    0 8px 22px rgba(10, 24, 56, .28);
}
.design-studio-root .ds-fnsearch-ic {
  display: inline-flex; align-items: center; justify-content: center;
  color: inherit; opacity: .92; flex: none;
}
.design-studio-root .ds-fnsearch-ic svg {
  width: 14px; height: 14px; display: block; overflow: visible; stroke-width: 2;
}
.design-studio-root .ds-fnsearch-input {
  flex: 1; min-width: 0; height: 100%;
  border: 0; background: transparent; color: inherit;
  font: inherit; font-size: 12px; font-weight: 500; outline: none;
  padding: 0; line-height: 1;
}
.design-studio-root .ds-fnsearch-input::-webkit-search-decoration,
.design-studio-root .ds-fnsearch-input::-webkit-search-cancel-button { display: none; }
.design-studio-root .ds-fnsearch-input::placeholder { color: rgba(255,255,255,.78); font-weight: 500; }
.design-studio-root .ds-fnsearch.open .ds-fnsearch-input::placeholder,
.design-studio-root .ds-fnsearch-field.on .ds-fnsearch-input::placeholder,
.design-studio-root .ds-fnsearch-field:focus-within .ds-fnsearch-input::placeholder {
  color: #6c7686;
}

.design-studio-root .ds-fnsearch-pop {
  /* Search-local tokens — OS --pr-* / --win-bg must not wash the panel. */
  --fn-pop-bg: #ffffff;
  --fn-pop-ink: #1f2733;
  --fn-pop-muted: #5c6573;
  --fn-pop-line: #d7dce6;
  --fn-pop-accent: #2f6bd4;
  --fn-pop-shadow: 0 22px 56px rgba(16, 32, 72, .28), 0 2px 8px rgba(16, 32, 72, .08);
  display: flex;
  position: absolute; top: calc(100% + 7px); right: 0;
  width: 540px;
  max-width: 540px;
  width: min(540px, calc(100cqi - 24px));
  max-width: min(540px, calc(100cqi - 24px));
  max-height: min(420px, 72vh);
  isolation: isolate;
  color-scheme: light;
  background-color: #ffffff;
  background-image: linear-gradient(180deg, color-mix(in srgb, var(--fn-pop-accent) 9%, transparent), transparent 2.4rem);
  color: #1f2733;
  border: 1px solid var(--fn-pop-line);
  border-radius: 14px;
  box-shadow: var(--fn-pop-shadow);
  z-index: 60;
  overflow: hidden;
  flex-direction: column;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-6px) scale(.985);
  transform-origin: top right;
  transition: opacity .14s ease, transform .16s ease, visibility 0s linear .16s;
}
.design-studio-root .ds-fnsearch-pop.on {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(0) scale(1);
  transition: opacity .14s ease, transform .16s ease, visibility 0s;
}
.design-studio-root .ds-fnsearch-head {
  display: flex; align-items: baseline; gap: 8px; flex: none;
  padding: 10px 14px 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--fn-pop-line) 85%, transparent);
}
.design-studio-root .ds-fnsearch-title {
  font-size: 10.5px; font-weight: 800; letter-spacing: .72px;
  text-transform: uppercase; color: var(--fn-pop-muted);
}
.design-studio-root .ds-fnsearch-count {
  margin-left: auto; font-size: 11px; color: var(--fn-pop-muted);
  font-variant-numeric: tabular-nums; font-weight: 600;
}
.design-studio-root .ds-fnsearch-pop.is-suggest .ds-fnsearch-count { display: none; }
.design-studio-root .ds-fnsearch-list {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px 6px;
  padding: 8px; overflow: auto; min-height: 0; flex: 1 1 auto;
  scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--fn-pop-muted) 45%, transparent) transparent;
}
.design-studio-root .ds-fnsearch-list::-webkit-scrollbar { width: 8px; height: 8px; }
.design-studio-root .ds-fnsearch-list::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--fn-pop-muted) 40%, transparent);
  border-radius: 99px; border: 2px solid transparent; background-clip: padding-box;
}
.design-studio-root .ds-fnsearch-list.cols-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.design-studio-root .ds-fnsearch-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; min-width: 0; text-align: left;
  border: 1px solid transparent; background: transparent;
  color: var(--fn-pop-ink); border-radius: 10px;
  padding: 6px 8px; cursor: pointer; min-height: 40px;
  box-sizing: border-box; overflow: hidden;
  font: inherit; appearance: none; -webkit-appearance: none;
  transition: background .08s ease, border-color .08s ease, color .08s ease, box-shadow .08s ease;
}
.design-studio-root .ds-fnsearch-item:hover {
  background: color-mix(in srgb, var(--fn-pop-accent) 8%, transparent);
  border-color: color-mix(in srgb, var(--fn-pop-accent) 18%, transparent);
}
.design-studio-root .ds-fnsearch-item.is-active,
.design-studio-root .ds-fnsearch-item:hover.is-active {
  background: var(--fn-pop-accent);
  border-color: var(--fn-pop-accent);
  color: #fff;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--fn-pop-accent) 38%, transparent);
}
.design-studio-root .ds-fnsearch-item:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--fn-pop-accent) 65%, #fff);
  outline-offset: -2px;
}
.design-studio-root .ds-fnsearch-item.is-active:focus-visible {
  outline-color: rgba(255,255,255,.72);
}
.design-studio-root .ds-fnsearch-item-ic {
  flex: none; width: 28px; height: 28px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--fn-pop-accent) 12%, transparent);
  color: var(--fn-pop-accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--fn-pop-accent) 14%, transparent);
}
.design-studio-root .ds-fnsearch-item:hover:not(.is-active) .ds-fnsearch-item-ic {
  background: color-mix(in srgb, var(--fn-pop-accent) 18%, transparent);
}
.design-studio-root .ds-fnsearch-item.is-active .ds-fnsearch-item-ic {
  background: rgba(255,255,255,.18); color: #fff; box-shadow: none;
}
.design-studio-root .ds-fnsearch-item-ic svg { width: 15px; height: 15px; display: block; overflow: visible; }
.design-studio-root .ds-fnsearch-item-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; flex: 1; }
.design-studio-root .ds-fnsearch-item-name {
  font-size: 12.5px; font-weight: 600; line-height: 1.2;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.design-studio-root .ds-fnsearch-item-hint {
  font-size: 10.5px; color: var(--fn-pop-muted); line-height: 1.25;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.design-studio-root .ds-fnsearch-item.is-active .ds-fnsearch-item-hint { color: rgba(255,255,255,.82); }
.design-studio-root .ds-fnsearch-pop.is-empty .ds-fnsearch-list {
  grid-template-columns: minmax(0, 1fr);
  min-height: 168px;
}
.design-studio-root .ds-fnsearch-empty {
  grid-column: 1 / -1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: 8px; padding: 32px 28px 28px; color: var(--fn-pop-muted);
  min-height: 168px;
}
.design-studio-root .ds-fnsearch-empty-ic {
  width: 40px; height: 40px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fn-pop-accent);
  background: color-mix(in srgb, var(--fn-pop-accent) 12%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--fn-pop-accent) 16%, transparent);
}
.design-studio-root .ds-fnsearch-empty-ic svg { width: 18px; height: 18px; overflow: visible; }
.design-studio-root .ds-fnsearch-empty strong {
  color: var(--fn-pop-ink); font-size: 13px; font-weight: 700;
  max-width: 100%; overflow-wrap: anywhere;
}
.design-studio-root .ds-fnsearch-empty p { margin: 0; font-size: 12px; line-height: 1.45; max-width: 320px; }
.design-studio-root .ds-fnsearch-foot {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; flex: none;
  padding: 7px 12px 8px;
  border-top: 1px solid var(--fn-pop-line);
  background: color-mix(in srgb, var(--fn-pop-ink) 2.5%, var(--fn-pop-bg));
  font-size: 10.5px; color: var(--fn-pop-muted);
}
.design-studio-root .ds-fnsearch-k { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.design-studio-root .ds-fnsearch-k kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 16px; padding: 0 5px;
  border-radius: 4px; font: 600 10px/1 ui-sans-serif, system-ui, sans-serif;
  color: var(--fn-pop-ink);
  background: color-mix(in srgb, var(--fn-pop-ink) 6%, var(--fn-pop-bg));
  box-shadow: inset 0 0 0 1px var(--fn-pop-line);
}
.design-studio-root .ds-fnsearch-pop:not(.cols-2) .ds-fnsearch-k-cols,
.design-studio-root .ds-fnsearch-pop.is-empty .ds-fnsearch-k-move,
.design-studio-root .ds-fnsearch-pop.is-empty .ds-fnsearch-k-cols,
.design-studio-root .ds-fnsearch-pop.is-empty .ds-fnsearch-k-open { display: none; }

.dark .design-studio-root .ds-fnsearch-pop,
.design-studio-root.dark .ds-fnsearch-pop,
#os.dark .design-studio-root .ds-fnsearch-pop,
.window[data-app-color-tone="dark"] .design-studio-root .ds-fnsearch-pop {
  --fn-pop-bg: #1c212b;
  --fn-pop-ink: #e8ecf3;
  --fn-pop-muted: #9aa5b5;
  --fn-pop-line: #3a4252;
  --fn-pop-accent: #5b8def;
  --fn-pop-shadow: 0 28px 64px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06);
  color-scheme: dark;
  background-color: #1c212b;
  color: #e8ecf3;
  border-color: #3a4252;
}
.dark .design-studio-root .ds-fnsearch.open .ds-fnsearch-field,
.dark .design-studio-root .ds-fnsearch-field.on,
.dark .design-studio-root .ds-fnsearch-field:focus-within,
#os.dark .design-studio-root .ds-fnsearch.open .ds-fnsearch-field,
.window[data-app-color-tone="dark"] .design-studio-root .ds-fnsearch.open .ds-fnsearch-field {
  color: #1f2733;
  box-shadow:
    0 0 0 2px rgba(91, 141, 239, .45),
    0 10px 24px rgba(0, 0, 0, .45);
}
.dark .design-studio-root .ds-fnsearch-item:hover:not(.is-active) {
  background: rgba(91, 141, 239, .14);
  border-color: rgba(91, 141, 239, .28);
}
.dark .design-studio-root .ds-fnsearch-item-ic {
  background: rgba(91, 141, 239, .16);
  color: #9cbcff;
  box-shadow: inset 0 0 0 1px rgba(91, 141, 239, .22);
}
.dark .design-studio-root .ds-fnsearch-empty strong {
  color: #e8ecf3;
}

@media (prefers-reduced-motion: reduce) {
  .design-studio-root .ds-fnsearch-field,
  .design-studio-root .ds-fnsearch-pop,
  .design-studio-root .ds-fnsearch-pop.on,
  .design-studio-root .ds-fnsearch-item { transition: none; transform: none; }
}

@container ds-app (max-width: 1080px) {
  .design-studio-root .ds-fnsearch-field { width: 156px; }
}
@container ds-app (max-width: 920px) {
  .design-studio-root .ds-ribbon-state { display: none; }
  .design-studio-root .ds-fnsearch-field { width: 138px; padding: 0 8px 0 7px; }
  .design-studio-root .ds-fnsearch-input { font-size: 11.5px; }
}
@container ds-app (max-width: 760px) {
  .design-studio-root .ds-ribbon-brand { padding-right: 0; font-size: 0; gap: 0; }
  .design-studio-root .ds-ribbon-ruo { display: none; }
  .design-studio-root .ds-fnsearch-field { width: 32px; padding: 0 8px; gap: 0; }
  .design-studio-root .ds-fnsearch-input {
    width: 0; min-width: 0; padding: 0; opacity: 0;
  }
  .design-studio-root .ds-fnsearch.open .ds-fnsearch-field,
  .design-studio-root .ds-fnsearch-field.on,
  .design-studio-root .ds-fnsearch-field:focus-within {
    width: 158px; gap: 6px;
  }
  .design-studio-root .ds-fnsearch.open .ds-fnsearch-input,
  .design-studio-root .ds-fnsearch-field.on .ds-fnsearch-input,
  .design-studio-root .ds-fnsearch-field:focus-within .ds-fnsearch-input {
    width: auto; opacity: 1; pointer-events: auto; flex: 1;
  }
}

/* Beat OS per-window color-theme input/surface !important.
   Mount node is window-body.design-studio-root — not a nested descendant. */
#os .window[data-app-color-theme] .window-body.design-studio-root .ds-fnsearch-field input.ds-fnsearch-input:not([type="color"]):not([type="range"]):not([type="file"]):not([type="checkbox"]):not([type="radio"]),
body .window[data-app-color-theme] .window-body.design-studio-root .ds-fnsearch-field input.ds-fnsearch-input:not([type="color"]):not([type="range"]):not([type="file"]):not([type="checkbox"]):not([type="radio"]),
#os .window[data-app-color-theme] .window-body.design-studio-root input.ds-fnsearch-input:not([type="color"]):not([type="range"]):not([type="file"]):not([type="checkbox"]):not([type="radio"]),
body .window[data-app-color-theme] .window-body.design-studio-root input.ds-fnsearch-input:not([type="color"]):not([type="range"]):not([type="file"]):not([type="checkbox"]):not([type="radio"]),
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-input,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-input {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  color: inherit !important;
  border: 0 !important;
  border-color: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
  min-height: 0 !important;
  height: 100% !important;
  line-height: 1 !important;
  outline: none !important;
  appearance: none !important;
  -webkit-appearance: none !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-input::placeholder,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-input::placeholder {
  color: rgba(255,255,255,.78) !important;
  opacity: 1;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch.open .ds-fnsearch-input::placeholder,
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-field.on .ds-fnsearch-input::placeholder,
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-field:focus-within .ds-fnsearch-input::placeholder,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch.open .ds-fnsearch-input::placeholder,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-field.on .ds-fnsearch-input::placeholder,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-field:focus-within .ds-fnsearch-input::placeholder {
  color: #6c7686 !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-pop,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-pop {
  background-color: var(--fn-pop-bg, #fff) !important;
  color: var(--fn-pop-ink, #1f2733) !important;
  border-color: var(--fn-pop-line, #d7dce6) !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-head,
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-list,
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-empty,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-head,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-list,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-empty {
  background-color: transparent !important;
  color: inherit;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-empty strong,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-empty strong {
  color: var(--fn-pop-ink, #1f2733) !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-foot,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-foot {
  background: color-mix(in srgb, var(--fn-pop-ink) 2.5%, var(--fn-pop-bg)) !important;
  color: var(--fn-pop-muted) !important;
  border-top-color: var(--fn-pop-line) !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item {
  background: transparent !important;
  color: var(--fn-pop-ink) !important;
  border-color: transparent !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item:hover,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item:hover {
  background: color-mix(in srgb, var(--fn-pop-accent) 8%, transparent) !important;
  border-color: color-mix(in srgb, var(--fn-pop-accent) 18%, transparent) !important;
  color: var(--fn-pop-ink) !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item.is-active,
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item:hover.is-active,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item.is-active,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item:hover.is-active {
  background: var(--fn-pop-accent) !important;
  border-color: var(--fn-pop-accent) !important;
  color: #fff !important;
}
#os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item.is-active .ds-fnsearch-item-hint,
body .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item.is-active .ds-fnsearch-item-hint {
  color: rgba(255,255,255,.82) !important;
}
#os.dark .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item:hover:not(.is-active),
.dark #os .window[data-app-color-theme] .design-studio-root .ds-fnsearch-item:hover:not(.is-active) {
  background: rgba(91, 141, 239, .14) !important;
  border-color: rgba(91, 141, 239, .28) !important;
  color: #e8ecf3 !important;
}


/* ---- BioAI tab (js/lib/ai/design-chat) --------------------------------------
   The chat has its own chat list on the left and a live rail on the right, so
   the hub's navigator and inspector step aside while it is open; the ribbon
   and the sheet tabs stay, so every designer is still one click away. */
.design-studio-root .ds-ribbon-aibtn {
  display: inline-flex; align-items: center; height: 22px; box-sizing: border-box; flex: none;
  padding: 0 10px; border: 1px solid rgba(255,255,255,.32); border-radius: 999px;
  background: rgba(255,255,255,.14); color: #fff; font-size: 11px; font-weight: 700; line-height: 1;
  white-space: nowrap; cursor: pointer;
}
.design-studio-root .ds-ribbon-aibtn:hover { background: rgba(255,255,255,.24); border-color: rgba(255,255,255,.55); }
.design-studio-root .ds-ribbon-aibtn.on { background: #fff; border-color: #fff; color: var(--pr-blue-dk, #1d4ed8); }
.ds-app.ds-ai-mode .ds-chrome-nav,
.ds-app.ds-ai-mode .ds-nav-resizer,
.ds-app.ds-ai-mode .ds-chrome-inspector,
.ds-app.ds-ai-mode .ds-inspector-resizer { display: none; }
.ds-app.ds-ai-mode .ds-chrome-canvas { display: flex; padding: 0; overflow: hidden; }
.design-studio-root .ds-ai-host { display: flex; flex: 1; min-width: 0; min-height: 0; }
.design-studio-root .ds-ai-host > .dchat { flex: 1; }
.design-studio-root .ds-tab.kind-ai .ds-tab-label::before { content: "\2726  "; color: #7c5cff; }
.design-studio-root .ds-tab.kind-ai.active .ds-tab-label::before { color: inherit; }
.dchat .dchat-live-group.is-current { border-color: color-mix(in srgb, var(--dc-accent) 55%, var(--dc-line)); }