/*
 * Inspo QC dashboard — six-lane workstation styles.
 * Follows DESIGN.md: warm ink/bone, brick accent, hairline rules,
 * Geist for UI, Geist Mono for data, no purple gradients.
 */

#inspo-qc-root {
  --iqc-ink-1: #12100E;
  --iqc-ink-2: #1C1915;
  --iqc-ink-3: #28241E;
  --iqc-ink-4: #362F27;
  --iqc-rule: #3A342B;
  --iqc-rule-strong: #4D453A;
  --iqc-bone-0: #FBF8F0;
  --iqc-bone-1: #EDE6D7;
  --iqc-bone-2: #C4BAA3;
  --iqc-bone-3: #8F8670;
  --iqc-brick-0: #D45A52;
  --iqc-brick-1: #B8413A;
  --iqc-brick-wash: rgba(184, 65, 58, 0.10);
  --iqc-brick-rule: rgba(184, 65, 58, 0.32);
  --iqc-moss: #6B9460;
  --iqc-amber: #C8872E;
  --iqc-rust: #C85A3C;
  --iqc-slate: #7A8A9C;
  --iqc-mono: 'Geist Mono', ui-monospace, SFMono-Regular, monospace;
  --iqc-text: 'Geist', system-ui, sans-serif;
  --iqc-display: 'Fraunces', Georgia, serif;

  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--iqc-ink-1);
  color: var(--iqc-bone-1);
  font-family: var(--iqc-text);
  font-size: 13px;
  line-height: 1.45;
}

.iqc-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
}
.iqc-header h2 {
  font-family: var(--iqc-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--iqc-bone-0);
  margin: 0;
}
.iqc-header h2 em {
  color: var(--iqc-brick-1);
  font-style: italic;
}
.iqc-header .iqc-eyebrow {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-debug-version {
  margin-top: 6px;
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iqc-amber);
}
.iqc-header .iqc-spacer { flex: 1; }
.iqc-header .iqc-actions {
  display: flex;
  gap: 8px;
}

/* Top-level dashboard router — six dashboards in a horizontal menu.
 * Sits directly under the header; lane tabs (when applicable) sit below. */
.iqc-dashboards {
  display: flex;
  gap: 0;
  padding: 0 24px;
  background: var(--iqc-ink-1);
  border-bottom: 1px solid var(--iqc-rule);
}
.iqc-dash-tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: transparent;
  border: none;
  color: var(--iqc-bone-3);
  font-family: var(--iqc-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: color 80ms ease;
}
.iqc-dash-tab .iqc-dash-icon {
  font-family: var(--iqc-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--iqc-bone-3);
}
.iqc-dash-tab:hover { color: var(--iqc-bone-1); }
.iqc-dash-tab.active {
  color: var(--iqc-bone-0);
}
.iqc-dash-tab.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 2px;
  background: var(--iqc-brick-1);
}
.iqc-dash-tab.active .iqc-dash-icon { color: var(--iqc-brick-1); }

.iqc-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-3);
  color: var(--iqc-bone-1);
  font-family: var(--iqc-text);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 80ms ease, border-color 80ms ease;
}
.iqc-btn:hover { background: var(--iqc-ink-4); border-color: var(--iqc-rule-strong); }
.iqc-btn.iqc-primary {
  background: var(--iqc-brick-1);
  border-color: var(--iqc-brick-1);
  color: var(--iqc-bone-0);
}
.iqc-btn.iqc-primary:hover { background: var(--iqc-brick-0); border-color: var(--iqc-brick-0); }
.iqc-btn.iqc-ghost { background: transparent; }
.iqc-btn.iqc-danger { color: var(--iqc-rust); border-color: rgba(200, 90, 60, 0.32); }
.iqc-btn.iqc-danger:hover { background: rgba(200, 90, 60, 0.08); }
.iqc-btn[disabled] { opacity: 0.4; cursor: not-allowed; }

/* Lane tabs */
.iqc-lanes {
  display: flex;
  gap: 0;
  padding: 0 24px;
  border-bottom: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
}
.iqc-lane-tab {
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--iqc-bone-3);
  font-family: var(--iqc-text);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}
.iqc-lane-tab .iqc-lane-count {
  font-family: var(--iqc-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--iqc-bone-3);
  background: var(--iqc-ink-3);
  border-radius: 999px;
  padding: 1px 8px;
}
.iqc-lane-tab.active {
  color: var(--iqc-bone-0);
  border-bottom-color: var(--iqc-brick-1);
}
.iqc-lane-tab.active .iqc-lane-count {
  background: var(--iqc-brick-wash);
  color: var(--iqc-brick-0);
}

/* Filter bar */
.iqc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 10px 24px;
  border-bottom: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-1);
}
.iqc-filter-label {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-filter-select {
  background: var(--iqc-ink-2);
  border: 1px solid var(--iqc-rule);
  border-radius: 4px;
  color: var(--iqc-bone-1);
  font-family: var(--iqc-text);
  font-size: 12px;
  padding: 4px 8px;
  min-width: 120px;
}

/* Dashboard root — scrolls vertically by default so any dashboard whose
   content overflows (Definitions with sub-audiences, Insights, Sources,
   Performance, etc.) gets a proper scrollbar. The Six-Lane QC dashboard
   uses .iqc-body which sets `overflow:hidden` and lets its inner panes
   scroll on their own, so the .has-iqc-body modifier suppresses the
   outer scroll when it's present. */
.iqc-dashboard-root {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
}
.iqc-dashboard-root.has-iqc-body {
  overflow: hidden;
}
/* Themed scrollbar — matches the ink/bone palette so it doesn't read
   as a stock OS scrollbar against the dark background. */
.iqc-dashboard-root::-webkit-scrollbar { width: 10px; }
.iqc-dashboard-root::-webkit-scrollbar-track { background: var(--iqc-ink-2); }
.iqc-dashboard-root::-webkit-scrollbar-thumb {
  background: var(--iqc-ink-1);
  border: 2px solid var(--iqc-ink-2);
  border-radius: 6px;
}
.iqc-dashboard-root::-webkit-scrollbar-thumb:hover {
  background: var(--iqc-rule);
}
.iqc-dashboard-root { scrollbar-color: var(--iqc-ink-1) var(--iqc-ink-2); }

/* Main split — list + drawer */
.iqc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 480px;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}
.iqc-list {
  overflow: auto;
  border-right: 1px solid var(--iqc-rule);
  padding: 0;
}
.iqc-drawer {
  overflow: auto;
  background: var(--iqc-ink-2);
  padding: 20px 24px;
}

/* Ingot row */
.iqc-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 90px 110px 90px 70px;
  gap: 12px;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--iqc-rule);
  cursor: pointer;
  transition: background 60ms ease;
  min-width: 0;
}
.iqc-row:hover { background: var(--iqc-ink-2); }
.iqc-row.selected { background: var(--iqc-brick-wash); }
.iqc-definition-row {
  grid-template-columns: 46px minmax(320px, 1fr) repeat(5, minmax(54px, 68px)) 76px;
  align-items: start;
}
@media (max-width: 1200px) {
  .iqc-definition-row {
    grid-template-columns: 42px minmax(260px, 1fr) repeat(4, minmax(48px, 58px));
  }
  .iqc-definition-row .iqc-metric:nth-last-child(2) {
    display: none;
  }
  .iqc-definition-row .iqc-status {
    display: none;
  }
}
.iqc-row .iqc-arity-chip {
  font-family: var(--iqc-mono);
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  background: var(--iqc-ink-3);
  border: 1px solid var(--iqc-rule);
  border-radius: 4px;
  padding: 3px 0;
  color: var(--iqc-bone-2);
}
.iqc-row .iqc-arity-chip.iqc-arity-5 {
  background: var(--iqc-brick-wash);
  color: var(--iqc-brick-0);
  border-color: var(--iqc-brick-rule);
}
.iqc-row .iqc-row-name {
  font-weight: 500;
  color: var(--iqc-bone-0);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.iqc-row > div {
  min-width: 0;
}

.iqc-selected-depth {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.iqc-depth-kicker {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--iqc-brick-0);
}
.iqc-depth-value {
  color: var(--iqc-bone-0);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: normal;
}
.iqc-raw-examples {
  font-size: 10px;
  color: var(--iqc-bone-3);
  margin-top: 5px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.iqc-receipt-preview {
  font-size: 11px;
  color: var(--iqc-bone-2);
  margin-top: 6px;
  border-left: 2px solid var(--iqc-brick-rule);
  padding-left: 8px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.iqc-row .iqc-row-axes {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}
.iqc-axis-chip {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  background: var(--iqc-ink-3);
  border: 1px solid var(--iqc-rule);
  border-radius: 3px;
  padding: 1px 5px;
}
.iqc-axis-chip strong {
  color: var(--iqc-bone-1);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
}

/* Source-count chips — show how many evidence rows from each data source
 * fuel this Ingot, surfaced beneath the axis chips.  */
.iqc-source-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}
.iqc-source-chip {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--iqc-bone-3);
  background: var(--iqc-ink-1);
  border: 1px solid var(--iqc-rule);
  border-radius: 3px;
  padding: 1px 5px;
}
.iqc-source-chip b {
  color: var(--iqc-bone-1);
  font-weight: 600;
  margin-left: 3px;
}
.iqc-source-chip.iqc-source-strong {
  color: var(--iqc-bone-1);
  border-color: rgba(184, 65, 58, 0.40);
}
.iqc-source-chip.iqc-source-prior {
  color: var(--iqc-amber);
  border-color: rgba(200,135,46,0.40);
  background: rgba(200,135,46,0.05);
}
.iqc-source-chip.iqc-source-more {
  color: var(--iqc-bone-3);
  font-style: italic;
}

/* Breadcrumb chips: lane > family > canonical > cluster > variant */
.iqc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  margin-top: 4px;
  font-family: var(--iqc-text);
  font-size: 11px;
}
.iqc-breadcrumb-chip {
  background: var(--iqc-ink-1);
  border: 1px solid var(--iqc-rule);
  color: var(--iqc-bone-2);
  padding: 1px 8px;
  border-radius: 999px;
}
.iqc-breadcrumb-chip:first-child {
  background: var(--iqc-brick-wash);
  color: var(--iqc-brick-0);
  border-color: var(--iqc-brick-rule);
}
.iqc-breadcrumb-sep {
  color: var(--iqc-bone-4);
  font-size: 10px;
}
.iqc-domain-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 5px;
}
.iqc-domain-chip {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(122, 138, 156, 0.08);
  border: 1px solid rgba(122, 138, 156, 0.30);
  color: var(--iqc-slate);
  text-transform: uppercase;
}
.iqc-domain-chip.iqc-domain-bain {
  background: var(--iqc-brick-wash);
  border-color: var(--iqc-brick-rule);
  color: var(--iqc-brick-0);
}
.iqc-coverage-gap {
  font-family: var(--iqc-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--iqc-amber);
}
.iqc-coverage-gap.iqc-coverage-low { color: var(--iqc-bone-3); }
.iqc-coverage-gap.iqc-coverage-mid { color: var(--iqc-amber); }
.iqc-coverage-gap.iqc-coverage-high { color: var(--iqc-rust); }

/* Matrix v2 cell color states */
.iqc-matrix-cell.iqc-cell-validated      { background: rgba(107, 148, 96, 0.18); }
.iqc-matrix-cell.iqc-cell-untapped       { background: rgba(200, 135, 46, 0.18); }
.iqc-matrix-cell.iqc-cell-market_whitespace { background: var(--iqc-brick-wash); }
.iqc-matrix-cell.iqc-cell-low_signal     { background: var(--iqc-ink-1); }
.iqc-grade {
  font-family: var(--iqc-mono);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.iqc-grade-A { background: rgba(107, 148, 96, 0.15); color: var(--iqc-moss); border: 1px solid rgba(107,148,96,0.32); }
.iqc-grade-B { background: var(--iqc-brick-wash); color: var(--iqc-brick-0); border: 1px solid var(--iqc-brick-rule); }
.iqc-grade-C { background: rgba(200, 135, 46, 0.10); color: var(--iqc-amber); border: 1px solid rgba(200, 135, 46, 0.30); }
.iqc-grade-D { background: rgba(122, 138, 156, 0.10); color: var(--iqc-slate); border: 1px solid rgba(122, 138, 156, 0.30); }
.iqc-grade-F { background: rgba(200, 90, 60, 0.10); color: var(--iqc-rust); border: 1px solid rgba(200, 90, 60, 0.30); }
.iqc-grade-empty { color: var(--iqc-bone-3); border: 1px dashed var(--iqc-rule); background: transparent; font-size: 12px; }

.iqc-status {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--iqc-rule);
  color: var(--iqc-bone-3);
}
.iqc-status-approved { color: var(--iqc-moss); border-color: rgba(107,148,96,0.32); background: rgba(107, 148, 96, 0.08); }
.iqc-status-pending { color: var(--iqc-bone-2); }
.iqc-status-provisional { color: var(--iqc-amber); border-color: rgba(200,135,46,0.30); background: rgba(200, 135, 46, 0.06); }
.iqc-status-rejected { color: var(--iqc-rust); border-color: rgba(200,90,60,0.30); }
.iqc-status-tweaked { color: var(--iqc-slate); border-color: rgba(122,138,156,0.30); }

.iqc-metric {
  font-family: var(--iqc-mono);
  font-size: 12px;
  font-feature-settings: "tnum";
  text-align: right;
  color: var(--iqc-bone-1);
}
.iqc-metric-sub {
  font-size: 10px;
  color: var(--iqc-bone-3);
}

.iqc-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--iqc-rule);
  color: var(--iqc-bone-3);
  background: var(--iqc-ink-2);
  margin-right: 4px;
  margin-top: 4px;
}
.iqc-badge-whitespace { color: var(--iqc-amber); border-color: rgba(200,135,46,0.40); }
.iqc-badge-cross-aud { color: var(--iqc-slate); border-color: rgba(122,138,156,0.40); }
.iqc-badge-perf { color: var(--iqc-moss); border-color: rgba(107,148,96,0.40); }
.iqc-badge-provisional { color: var(--iqc-amber); border-color: rgba(200,135,46,0.40); }
.iqc-badge-experimental { color: var(--iqc-brick-1); border-color: var(--iqc-brick-rule); }

/* Drawer */
.iqc-drawer h3 {
  font-family: var(--iqc-display);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 6px 0;
  letter-spacing: -0.01em;
  color: var(--iqc-bone-0);
}
.iqc-drawer h4 {
  font-family: var(--iqc-mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  margin: 24px 0 10px 0;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--iqc-rule);
}
.iqc-drawer .iqc-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  font-size: 12px;
  margin-top: 12px;
}
.iqc-drawer .iqc-meta-item {
  background: var(--iqc-ink-1);
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  padding: 10px 12px;
}
.iqc-drawer .iqc-meta-item .iqc-meta-label {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  margin-bottom: 4px;
}
.iqc-drawer .iqc-meta-item .iqc-meta-value {
  font-size: 13px;
  color: var(--iqc-bone-0);
}

.iqc-evidence-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.iqc-evidence-card {
  border: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-1);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 12px;
}
.iqc-evidence-card .iqc-evidence-source {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  margin-bottom: 4px;
}
.iqc-evidence-card .iqc-evidence-excerpt {
  color: var(--iqc-bone-1);
  line-height: 1.5;
}
.iqc-evidence-card.role-context { border-left: 3px solid var(--iqc-slate); }
.iqc-evidence-card.role-direct  { border-left: 3px solid var(--iqc-brick-1); }
.iqc-evidence-card.role-conflict { border-left: 3px solid var(--iqc-rust); }

.iqc-whitespace-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.iqc-whitespace-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  background: var(--iqc-ink-1);
}
.iqc-whitespace-card .iqc-ws-strength {
  font-family: var(--iqc-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--iqc-amber);
  min-width: 50px;
}
.iqc-whitespace-card .iqc-ws-rationale {
  flex: 1;
  font-size: 12px;
  color: var(--iqc-bone-2);
}
.iqc-whitespace-card .iqc-ws-actions {
  display: flex;
  gap: 4px;
}

/* Empty / loading states */
.iqc-empty {
  padding: 60px 24px;
  text-align: center;
  color: var(--iqc-bone-3);
  font-size: 13px;
}
.iqc-empty .iqc-empty-title {
  font-family: var(--iqc-display);
  font-size: 22px;
  color: var(--iqc-bone-1);
  margin-bottom: 12px;
  font-weight: 500;
}
.iqc-loading {
  padding: 40px 24px;
  text-align: center;
  color: var(--iqc-bone-3);
  font-family: var(--iqc-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Calibration cards */
.iqc-cal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 20px 24px;
}
.iqc-cal-card {
  border: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
  border-radius: 8px;
  padding: 16px 18px;
}
.iqc-cal-card .iqc-cal-label {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  margin-bottom: 8px;
}
.iqc-cal-card .iqc-cal-value {
  font-family: var(--iqc-display);
  font-size: 32px;
  color: var(--iqc-bone-0);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.iqc-cal-card .iqc-cal-breakdown {
  font-family: var(--iqc-mono);
  font-size: 11px;
  color: var(--iqc-bone-2);
  margin-top: 6px;
  line-height: 1.6;
}

/* Mini grade pills inside calibration */
.iqc-pill {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 2px 8px;
  display: inline-block;
  margin-right: 4px;
  border: 1px solid var(--iqc-rule);
  color: var(--iqc-bone-2);
  background: var(--iqc-ink-3);
}

/* ─── Dashboard: Matrix (combo heatmap) ────────────────────────────── */
.iqc-matrix-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-1);
}
.iqc-matrix-wrap {
  padding: 20px 24px;
  overflow: auto;
  flex: 1;
}
.iqc-matrix-table {
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--iqc-mono);
  font-size: 11px;
  min-width: 100%;
}
.iqc-matrix-table th, .iqc-matrix-table td {
  border-right: 1px solid var(--iqc-rule);
  border-bottom: 1px solid var(--iqc-rule);
  padding: 8px 10px;
  vertical-align: middle;
  text-align: center;
  min-width: 96px;
  background: var(--iqc-ink-1);
}
.iqc-matrix-table th {
  background: var(--iqc-ink-2);
  color: var(--iqc-bone-2);
  text-align: left;
  font-weight: 500;
  letter-spacing: 0.04em;
  position: sticky;
  top: 0;
  z-index: 2;
}
.iqc-matrix-table th.iqc-matrix-rowhead {
  position: sticky;
  left: 0;
  z-index: 3;
  text-align: left;
  min-width: 200px;
  max-width: 240px;
  background: var(--iqc-ink-2);
  color: var(--iqc-bone-1);
}
.iqc-matrix-cell {
  cursor: pointer;
  transition: background 80ms ease;
}
.iqc-matrix-cell:hover {
  background: var(--iqc-ink-3) !important;
}
.iqc-matrix-cell-empty {
  color: var(--iqc-bone-4);
  font-style: italic;
}
.iqc-matrix-cell-grade {
  font-size: 13px;
  font-weight: 700;
  display: block;
}
.iqc-matrix-cell-meta {
  font-size: 9px;
  color: var(--iqc-bone-3);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.iqc-matrix-cell-meta.iqc-provenance-line {
  color: var(--iqc-bone-2);
  font-size: 8.5px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

/* ─── Dashboard: Whitespace queue ──────────────────────────────────── */
.iqc-ws-queue {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px;
  overflow: auto;
}
.iqc-ws-row {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) 200px 90px 70px 130px;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  background: var(--iqc-ink-2);
}
.iqc-ws-row .iqc-ws-strength {
  font-family: var(--iqc-mono);
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  color: var(--iqc-amber);
}
.iqc-ws-row .iqc-ws-name {
  font-weight: 500;
  color: var(--iqc-bone-0);
  font-size: 13px;
}
.iqc-ws-row .iqc-ws-rationale {
  font-size: 11px;
  color: var(--iqc-bone-3);
  margin-top: 2px;
  line-height: 1.5;
}
.iqc-ws-row .iqc-ws-mode {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  color: var(--iqc-bone-3);
}
.iqc-ws-row .iqc-ws-actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}

/* ─── Dashboard: Sources ───────────────────────────────────────────── */
.iqc-sources-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--iqc-text);
  font-size: 12px;
}
.iqc-sources-table th, .iqc-sources-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--iqc-rule);
  text-align: left;
}
.iqc-sources-table th {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  background: var(--iqc-ink-2);
}
.iqc-sources-table tbody tr:hover {
  background: var(--iqc-ink-2);
}
.iqc-sources-table .iqc-src-label {
  font-weight: 500;
  color: var(--iqc-bone-0);
}
.iqc-sources-table .iqc-src-id {
  font-family: var(--iqc-mono);
  font-size: 10px;
  color: var(--iqc-bone-3);
  margin-top: 2px;
}
.iqc-sources-table .iqc-src-disabled td {
  opacity: 0.5;
}
.iqc-source-toggle {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--iqc-rule);
  cursor: pointer;
  background: var(--iqc-ink-3);
  color: var(--iqc-bone-2);
}
.iqc-source-toggle.iqc-on {
  background: rgba(107,148,96,0.12);
  border-color: rgba(107,148,96,0.40);
  color: var(--iqc-moss);
}
.iqc-src-limit {
  width: 84px;
  font-family: var(--iqc-mono);
  font-size: 11px;
  padding: 4px 6px;
  background: var(--iqc-ink-3);
  color: var(--iqc-bone-1);
  border: 1px solid var(--iqc-rule);
  border-radius: 4px;
  text-align: right;
}
.iqc-src-limit:focus {
  outline: none;
  border-color: var(--iqc-brick-0);
}

/* ─── Background workers panel (Sources dashboard top) ─────────────── */
.iqc-workers-panel {
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 14px;
  background: var(--iqc-ink-3);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.iqc-workers-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-workers-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.iqc-worker-btn {
  font-family: var(--iqc-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid var(--iqc-rule);
  border-radius: 4px;
  background: var(--iqc-ink-2);
  color: var(--iqc-bone-1);
  cursor: pointer;
}
.iqc-worker-btn:hover { border-color: var(--iqc-brick-0); color: var(--iqc-bone-0); }
.iqc-worker-btn.iqc-worker-all {
  background: rgba(200, 90, 60, 0.12);
  border-color: rgba(200, 90, 60, 0.45);
  color: var(--iqc-brick-0);
}
.iqc-worker-flag {
  font-size: 11px;
  color: var(--iqc-bone-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.iqc-workers-jobs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
}
.iqc-workers-empty {
  font-size: 11px;
  color: var(--iqc-bone-3);
  text-align: center;
  padding: 12px;
  border: 1px dashed var(--iqc-rule);
  border-radius: 4px;
}
.iqc-worker-job {
  border: 1px solid var(--iqc-rule);
  border-radius: 4px;
  padding: 8px 10px;
}
.iqc-worker-job.iqc-worker-running { border-color: rgba(107,148,96,0.55); }
.iqc-worker-job.iqc-worker-done    { border-color: rgba(107,148,96,0.30); opacity: 0.85; }
.iqc-worker-job.iqc-worker-error   { border-color: rgba(200, 90, 60, 0.55); }
.iqc-worker-job-line {
  display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap;
  font-size: 11px; color: var(--iqc-bone-2);
}
.iqc-worker-job-kind { font-weight: 600; color: var(--iqc-bone-0); }
.iqc-worker-job-status {
  font-family: var(--iqc-mono); letter-spacing: 0.1em; text-transform: uppercase;
}
.iqc-worker-job-progress { font-family: var(--iqc-mono); color: var(--iqc-amber); }
.iqc-worker-job-tags { color: var(--iqc-bone-3); }
.iqc-worker-job-bar {
  margin-top: 4px;
  background: var(--iqc-ink-1);
  border-radius: 3px;
  height: 4px;
  overflow: hidden;
}
.iqc-worker-job-bar > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--iqc-brick-0), var(--iqc-amber));
}
.iqc-worker-job-errors {
  margin-top: 4px;
  font-family: var(--iqc-mono);
  font-size: 10px;
  color: var(--iqc-brick-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Sub-audiences (persona × niche) ──────────────────────────────── */
.iqc-subaud-panel {
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  padding: 14px 16px;
  margin: 12px 0;
  background: var(--iqc-ink-3);
}
.iqc-subaud-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.iqc-subaud-header > button { margin-left: auto; }
.iqc-subaud-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 10px;
}
.iqc-subaud-card {
  border: 1px solid var(--iqc-rule);
  border-radius: 4px;
  padding: 10px 12px;
  background: var(--iqc-ink-2);
}
.iqc-subaud-card-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.iqc-subaud-name {
  font-weight: 600; color: var(--iqc-bone-0);
}
.iqc-subaud-stats {
  display: flex; gap: 8px;
  font-family: var(--iqc-mono); font-size: 11px;
  color: var(--iqc-bone-3);
}
.iqc-subaud-actions {
  display: flex; gap: 6px; margin-bottom: 6px;
}
.iqc-subaud-list { display: flex; flex-direction: column; gap: 4px; }
.iqc-subaud-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 8px;
  border: 1px solid var(--iqc-rule);
  border-radius: 3px;
  background: var(--iqc-ink-1);
  font-size: 12px;
}
.iqc-subaud-row-left { display: flex; gap: 8px; align-items: center; }
.iqc-subaud-niche { color: var(--iqc-bone-1); }
.iqc-subaud-evcount {
  color: var(--iqc-moss);
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
}
.iqc-subaud-rationale {
  font-size: 11px;
  color: var(--iqc-bone-3);
  margin: 2px 0 6px 8px;
  font-style: italic;
}
.iqc-pill-ev { background: rgba(107,148,96,0.18); color: var(--iqc-moss); border-color: rgba(107,148,96,0.4); }
.iqc-pill-ws { background: rgba(238,196,118,0.14); color: var(--iqc-amber); border-color: rgba(238,196,118,0.4); }
.iqc-pill-promoted {
  background: rgba(200,90,60,0.16);
  color: var(--iqc-brick-0);
  border-color: rgba(200,90,60,0.4);
}

/* ─── Lane sub-nav, depth chips, persistent filters ───────────────── */
.iqc-lane-subnav {
  display: flex;
  gap: 6px;
  padding: 10px 0 6px;
  border-bottom: 1px solid var(--iqc-rule);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.iqc-lane-pill {
  font-family: var(--iqc-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 4px 4px 0 0;
  border: 1px solid var(--iqc-rule);
  border-bottom: none;
  background: var(--iqc-ink-3);
  color: var(--iqc-bone-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.iqc-lane-pill:hover {
  color: var(--iqc-bone-0);
  border-color: var(--iqc-brick-0);
}
.iqc-lane-pill.active {
  background: var(--iqc-bg);
  color: var(--iqc-brick-0);
  border-color: var(--iqc-brick-0);
}
.iqc-lane-pill-icon {
  font-family: var(--iqc-mono);
  color: var(--iqc-amber);
  opacity: 0.85;
}

.iqc-depth-chips {
  display: flex;
  gap: 6px;
  padding: 6px 0 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.iqc-chip {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 14px;
  border: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
  color: var(--iqc-bone-2);
  cursor: pointer;
}
.iqc-chip:hover {
  border-color: var(--iqc-brick-0);
  color: var(--iqc-bone-0);
}
.iqc-chip.active {
  background: rgba(200,90,60,0.12);
  border-color: rgba(200,90,60,0.55);
  color: var(--iqc-brick-0);
}

.iqc-persistent-filters {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--iqc-rule);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.iqc-persistent-filters .iqc-filter-label { color: var(--iqc-bone-3); }

/* ─── Definitions two-pane split: list + inline drawer ─────────────── */
.iqc-def-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
  flex: 1;
  min-height: 0;
  border-top: 1px solid var(--iqc-rule);
}
.iqc-def-list {
  overflow-y: auto;
  border-right: 1px solid var(--iqc-rule);
  min-height: 300px;
}
.iqc-def-drawer {
  overflow-y: auto;
  background: var(--iqc-ink-2);
  padding: 20px 22px;
  min-height: 300px;
}
.iqc-def-drawer h4 {
  margin: 18px 0 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-def-drawer-head {
  margin-bottom: 16px;
}
.iqc-def-drawer-title {
  font-size: 16px;
  line-height: 1.3;
  color: var(--iqc-bone-0);
  margin: 4px 0;
}
.iqc-def-drawer-desc {
  font-size: 12px;
  color: var(--iqc-bone-2);
  margin-top: 6px;
  line-height: 1.5;
}
.iqc-def-drawer-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 10px 0;
  border-bottom: 1px dashed var(--iqc-rule);
  margin-bottom: 12px;
}
.iqc-def-drawer-depth {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 8px 0;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.iqc-def-drawer-ws-notice {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--iqc-amber);
  background: rgba(200,135,46,0.08);
  border-radius: 6px;
  font-size: 12px;
  color: var(--iqc-amber);
}
.iqc-agg-instance-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.iqc-agg-instance {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 74px;
  gap: 10px;
  align-items: center;
  padding: 9px 10px;
  border: 1px solid var(--iqc-rule);
  border-radius: 5px;
  background: var(--iqc-ink-1);
}
.iqc-agg-instance-label {
  color: var(--iqc-bone-0);
  font-size: 12px;
  line-height: 1.35;
}
.iqc-agg-instance-sub {
  color: var(--iqc-bone-3);
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  margin-top: 3px;
}
/* Active row highlight */
.iqc-definition-row.active {
  background: rgba(200,90,60,0.08);
  border-left: 3px solid var(--iqc-brick-0);
}
/* Responsive: collapse drawer below 900px */
@media (max-width: 900px) {
  .iqc-def-split { grid-template-columns: 1fr; }
  .iqc-def-drawer { border-top: 1px solid var(--iqc-rule); max-height: 50vh; }
}

/* ─── Dashboard: Performance ───────────────────────────────────────── */
.iqc-perf-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px;
  overflow: auto;
}
.iqc-perf-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(5, 90px);
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  background: var(--iqc-ink-2);
}
.iqc-perf-card.iqc-perf-winner {
  border-left: 3px solid var(--iqc-moss);
}
.iqc-perf-card.iqc-perf-loser {
  border-left: 3px solid var(--iqc-rust);
}
.iqc-perf-uid {
  font-family: var(--iqc-mono);
  font-size: 11px;
  color: var(--iqc-bone-3);
}
.iqc-perf-ingot {
  font-weight: 500;
  color: var(--iqc-bone-0);
  font-size: 13px;
}
.iqc-perf-metric {
  text-align: right;
}
.iqc-perf-metric .iqc-perf-metric-label {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-perf-metric .iqc-perf-metric-value {
  font-family: var(--iqc-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--iqc-bone-0);
}

/* ─────────────────────────────────────────────────────────────────────────
 * QC v2 — Cell readout panel (12-grid: 4 metrics × 3 baselines)
 * Used inside the existing drawer + as the center pane in drill-down.
 * ───────────────────────────────────────────────────────────────────────── */

.iqc-drawer-cellreadout {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--iqc-rule);
}
.iqc-cell-loading,
.iqc-cell-error {
  font-family: var(--iqc-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--iqc-bone-3);
  padding: 12px 16px;
  background: var(--iqc-ink-2);
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
}
.iqc-cell-error { color: var(--iqc-rust); border-color: rgba(200, 90, 60, 0.3); }
.iqc-cellreadout {
  display: flex; flex-direction: column; gap: 16px;
}
.iqc-cellreadout-head {
  display: flex; justify-content: space-between; align-items: center;
}
.iqc-cellreadout-switchers {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--iqc-ink-2);
  border: 1px solid var(--iqc-rule);
  border-radius: 6px;
  padding: 12px;
}
.iqc-mb-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.iqc-mb-label {
  font-family: var(--iqc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
  min-width: 90px;
}
.iqc-mb-pills {
  display: inline-flex; flex-wrap: wrap; gap: 4px;
}
.iqc-mb-pill {
  background: transparent;
  border: 1px solid var(--iqc-rule);
  color: var(--iqc-bone-2);
  padding: 6px 10px;
  font-family: var(--iqc-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  border-radius: 9999px;
  cursor: pointer;
  transition: background 80ms ease, color 80ms ease, border-color 80ms ease;
}
.iqc-mb-pill:hover {
  background: var(--iqc-ink-3);
  color: var(--iqc-bone-1);
}
.iqc-mb-pill.active {
  background: var(--iqc-brick-wash);
  border-color: var(--iqc-brick-rule);
  color: var(--iqc-brick-0);
}
.iqc-cellreadout-body {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
.iqc-cell-lift {
  padding: 20px 24px;
  border-radius: 6px;
  border: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
}
.iqc-cell-lift-num {
  font-family: var(--iqc-display);
  font-size: 56px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--iqc-bone-0);
}
.iqc-cell-lift.iqc-lift-strong .iqc-cell-lift-num,
.iqc-cell-lift.iqc-lift-positive .iqc-cell-lift-num {
  color: var(--iqc-moss);
}
.iqc-cell-lift.iqc-lift-soft .iqc-cell-lift-num {
  color: var(--iqc-amber);
}
.iqc-cell-lift.iqc-lift-negative .iqc-cell-lift-num {
  color: var(--iqc-rust);
}
.iqc-cell-lift.iqc-lift-na .iqc-cell-lift-num {
  color: var(--iqc-bone-3);
}
.iqc-cell-lift-label {
  margin-top: 6px;
  font-family: var(--iqc-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-cell-lift-ci {
  margin-top: 8px;
  font-family: var(--iqc-mono);
  font-size: 11px;
  color: var(--iqc-bone-2);
}
.iqc-top3-block {
  border-top: 1px solid var(--iqc-rule);
  padding-top: 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.iqc-top3-row {
  display: grid;
  grid-template-columns: 24px 1fr 60px;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 80ms ease;
}
.iqc-top3-row:hover { background: var(--iqc-ink-3); }
.iqc-top3-rank {
  font-family: var(--iqc-mono);
  font-size: 10px;
  color: var(--iqc-bone-3);
  text-align: center;
}
.iqc-top3-combo {
  font-family: var(--iqc-mono);
  font-size: 12px;
  color: var(--iqc-bone-1);
}
.iqc-top3-lift {
  text-align: right;
  font-family: var(--iqc-mono);
  font-size: 13px;
  font-weight: 600;
}
.iqc-top3-lift.pos { color: var(--iqc-moss); }
.iqc-top3-lift.neg { color: var(--iqc-rust); }
.iqc-btn-tiny {
  padding: 4px 10px;
  font-size: 10px;
  letter-spacing: 0.06em;
}

/* ─────────────────────────────────────────────────────────────────────────
 * QC v2 — Audience view-kind switcher (Definitions tab)
 * ───────────────────────────────────────────────────────────────────────── */

.iqc-view-switcher {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--iqc-rule);
  flex-wrap: wrap;
}

/* ─────────────────────────────────────────────────────────────────────────
 * QC v2 — 5-pane drill-down dashboard
 * ───────────────────────────────────────────────────────────────────────── */

.iqc-drilldown {
  display: flex; flex-direction: column;
  height: 100%;
}
.iqc-drilldown-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--iqc-rule);
  flex-wrap: wrap;
}
.iqc-toolbar-controls {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}
.iqc-toolbar-field {
  display: inline-flex; flex-direction: column; gap: 4px;
}
.iqc-toolbar-field span {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-toolbar-field select {
  background: var(--iqc-ink-2);
  border: 1px solid var(--iqc-rule);
  color: var(--iqc-bone-1);
  font-family: var(--iqc-text);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 4px;
}
.iqc-drilldown-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(320px, 1fr);
  gap: 0;
  flex: 1;
  min-height: 0;
}
.iqc-drilldown-panes {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--iqc-rule);
  overflow: hidden;
}
.iqc-drilldown-pane {
  display: flex; flex-direction: column;
  background: var(--iqc-ink-1);
  min-height: 0;
}
.iqc-drilldown-pane-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
}
.iqc-drilldown-pane-icon {
  color: var(--iqc-brick-1);
  font-size: 14px;
  font-weight: 600;
}
.iqc-drilldown-pane-label {
  font-family: var(--iqc-text);
  font-size: 13px;
  font-weight: 500;
  color: var(--iqc-bone-0);
}
.iqc-drilldown-pane-count {
  margin-left: auto;
  font-family: var(--iqc-mono);
  font-size: 10px;
  color: var(--iqc-bone-3);
}
.iqc-drilldown-pane-body {
  flex: 1; overflow-y: auto;
  padding: 8px 4px;
}
.iqc-drilldown-side {
  display: flex; flex-direction: column;
  gap: 16px;
  padding: 16px;
  background: var(--iqc-ink-1);
  border-left: 1px solid var(--iqc-rule);
  overflow-y: auto;
  min-height: 0;
}
.iqc-drilldown-cell { min-height: 200px; }
.iqc-drilldown-whitespace {
  border-top: 1px solid var(--iqc-rule);
  padding-top: 12px;
}

/* Tree control inside drill-down panes */
.iqc-tree {
  list-style: none;
  margin: 0; padding: 0;
}
.iqc-tree .iqc-tree { padding-left: 16px; }
.iqc-tree-node > .iqc-tree { display: none; }
.iqc-tree-node.open > .iqc-tree { display: block; }
.iqc-tree-row {
  display: flex; align-items: center; gap: 4px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: default;
}
.iqc-tree-row:hover { background: var(--iqc-ink-2); }
.iqc-tree-toggle {
  background: transparent;
  border: 0;
  color: var(--iqc-bone-3);
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  width: 16px;
  text-align: center;
  transition: transform 80ms ease;
}
.iqc-tree-node.open > .iqc-tree-row > .iqc-tree-toggle {
  transform: rotate(90deg);
}
.iqc-tree-spacer { width: 16px; display: inline-block; }
.iqc-tree-label {
  flex: 1;
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
  font-family: var(--iqc-text);
  font-size: 12px;
  color: var(--iqc-bone-1);
}
.iqc-tree-label.selected {
  color: var(--iqc-brick-0);
  font-weight: 500;
}
.iqc-tree-layer {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--iqc-bone-3);
}
.iqc-tree-text { flex: 1; }
.iqc-tree-meta {
  font-family: var(--iqc-mono);
  font-size: 10px;
  color: var(--iqc-bone-3);
}
.iqc-avail {
  font-family: var(--iqc-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 9999px;
  border: 1px solid var(--iqc-rule);
}
.iqc-avail-available {
  color: var(--iqc-moss);
  border-color: rgba(107, 148, 96, 0.45);
  background: rgba(107, 148, 96, 0.10);
}
.iqc-avail-not_available {
  color: var(--iqc-bone-4);
  border-color: var(--iqc-rule);
}
.iqc-avail-hypothetical {
  color: var(--iqc-amber);
  border-color: rgba(200, 135, 46, 0.40);
  background: rgba(200, 135, 46, 0.08);
}
.iqc-empty-soft {
  font-family: var(--iqc-mono);
  font-size: 11px;
  color: var(--iqc-bone-3);
  padding: 16px;
  text-align: center;
}

/* Whitespace neighborhood list (drill-down side) */
.iqc-ws-list {
  list-style: none;
  margin: 8px 0 0 0;
  padding: 0;
  display: flex; flex-direction: column;
  gap: 8px;
}
.iqc-ws-item {
  border: 1px solid var(--iqc-rule);
  background: var(--iqc-ink-2);
  border-radius: 4px;
  padding: 8px 10px;
}
.iqc-ws-head {
  display: flex; gap: 8px; align-items: baseline;
}
.iqc-ws-strength {
  font-family: var(--iqc-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--iqc-brick-0);
}
.iqc-ws-axes {
  font-family: var(--iqc-mono);
  font-size: 10px;
  color: var(--iqc-bone-3);
  letter-spacing: 0.06em;
}
.iqc-ws-rationale {
  font-family: var(--iqc-text);
  font-size: 11px;
  color: var(--iqc-bone-2);
  line-height: 1.5;
  margin-top: 4px;
}