:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #17201b;
  --muted: #607066;
  --line: #d8ded6;
  --accent: #1f7a67;
  --accent-2: #9b5c2e;
  --blue: #315f9d;
  --shadow: 0 18px 45px rgba(28, 38, 32, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  width: 100vw;
  height: 100vh;
}

.control-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--panel);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 22px 18px;
  border-bottom: 1px solid var(--line);
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.1;
}

h2 {
  font-size: 13px;
  line-height: 1.2;
}

.model-badge {
  flex: 0 0 auto;
  max-width: 142px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.panel-section {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.panel-section[hidden],
.search-block[hidden],
.schema-choice[hidden],
[hidden] {
  display: none !important;
}

.search-block {
  display: grid;
  gap: 8px;
}

.schema-choice {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.text-button,
.preset-button,
.toolbar-button,
.icon-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.text-button {
  padding: 0;
  border: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  background: transparent;
}

.field-controls {
  display: grid;
  gap: 10px;
}

.layout-summary {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.layout-summary strong {
  font-size: 13px;
}

.layout-summary span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.field-row {
  display: grid;
  grid-template-columns: 22px minmax(112px, 1fr) 88px 38px;
  align-items: center;
  gap: 8px;
  min-height: 34px;
}

.field-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.field-row input[type="range"],
.range-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.field-name,
.range-row span {
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.field-value {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.preset-button,
.toolbar-button {
  min-height: 34px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
}

.preset-button:hover,
.toolbar-button:hover,
.icon-button:hover {
  border-color: var(--accent);
}

.toolbar-button.active,
.icon-button.active {
  border-color: var(--accent);
  background: #e8f2ee;
  color: var(--accent);
}

.search-input,
.select-input {
  width: 100%;
  min-height: 38px;
  margin-bottom: 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--ink);
}

.range-row {
  display: grid;
  grid-template-columns: 106px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat-grid > div {
  min-height: 60px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.stat-label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.stat-grid strong {
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

.projection-status {
  min-height: 18px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.cluster-status {
  min-height: 18px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.detail-section {
  flex: 1 0 auto;
}

.detail-panel {
  display: grid;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
}

.detail-panel.empty {
  color: var(--muted);
}

.detail-title {
  font-size: 16px;
  font-weight: 800;
}

.detail-meta {
  color: var(--muted);
  font-size: 12px;
}

.detail-field {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.detail-field strong {
  display: block;
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 11px;
  text-transform: uppercase;
}

.detail-field pre,
.tooltip pre {
  margin: 8px 0 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f6f7f4;
  color: #26322b;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.35;
  white-space: pre-wrap;
  overflow: auto;
}

.detail-field pre {
  max-height: 260px;
}

.map-panel {
  position: relative;
  min-width: 0;
  height: 100vh;
  background:
    linear-gradient(rgba(23, 32, 27, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 32, 27, 0.045) 1px, transparent 1px),
    #eef1ed;
  background-size: 44px 44px;
}

#mapCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

#mapCanvas.dragging {
  cursor: grabbing;
}

.map-toolbar {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 10;
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(216, 222, 214, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.variable-layout-control {
  top: 72px;
  right: auto;
  left: 18px;
  align-items: center;
  max-width: calc(100% - 36px);
}

.variable-layout-control label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.variable-layout-control select {
  max-width: min(320px, calc(100vw - 520px));
}

.assignment-coverage {
  display: inline-flex;
  gap: 5px;
  white-space: nowrap;
}

.coverage-count {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.coverage-count.assigned {
  border-color: rgba(31, 122, 103, 0.35);
  background: #edf7f4;
  color: var(--accent);
}

.icon-button {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.toolbar-button {
  padding: 0 12px;
}

.tooltip {
  position: absolute;
  z-index: 20;
  width: min(520px, calc(100% - 24px));
  max-height: min(72vh, 520px);
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: var(--shadow);
  overflow: auto;
  pointer-events: none;
}

.tooltip strong {
  display: block;
  margin-bottom: 4px;
}

.tooltip span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.tooltip-duplicate-heading {
  margin-top: 7px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.tooltip-duplicate-list {
  margin: 4px 0;
  padding-left: 8px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.tooltip pre {
  max-height: 310px;
}

.map-context-menu {
  position: absolute;
  z-index: 24;
  min-width: 240px;
  max-width: min(360px, calc(100% - 24px));
  max-height: min(72vh, calc(100% - 16px));
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.map-context-menu-title {
  margin: 0 0 6px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
}

.duplicate-details {
  margin: 6px 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f8f6;
}

.duplicate-details summary {
  padding: 7px 8px;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.duplicate-member-list {
  max-height: 180px;
  overflow: auto;
  border-top: 1px solid var(--line);
}

.duplicate-member {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 8px;
  border-bottom: 1px solid rgba(216, 222, 214, 0.7);
}

.duplicate-member:last-child {
  border-bottom: 0;
}

.duplicate-member strong,
.duplicate-member span {
  display: block;
}

.duplicate-member strong {
  color: var(--ink);
  font-size: 11px;
}

.duplicate-member span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.3;
}

.duplicate-member .duplicate-string-count {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.map-context-menu-subtitle {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 11px;
}

.map-context-menu-search {
  width: 100%;
  min-height: 34px;
  margin: 0 0 8px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--ink);
}

.map-context-menu-actions {
  display: grid;
  gap: 6px;
  margin: 0 0 8px;
}

.map-context-menu-list {
  display: grid;
  gap: 6px;
  max-height: min(38vh, 300px);
  overflow-y: auto;
  padding-right: 2px;
}

.map-context-menu-item {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.map-context-menu-item:hover {
  border-color: var(--accent);
  background: #f1f7f4;
}

.map-context-menu-item strong {
  display: block;
  font-size: 12px;
}

.map-context-menu-item span {
  color: var(--muted);
  font-size: 11px;
}

.small-link {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.dag-body {
  overflow: hidden;
  background: #eef1ed;
}

.dag-shell {
  display: grid;
  grid-template-columns: var(--left-w, 370px) 5px minmax(430px, 1fr) 5px var(--right-w, 440px);
  grid-template-rows: 1fr;
  width: 100vw;
  height: 100vh;
}

.panel-resizer {
  grid-row: 1;
  background: var(--line);
  cursor: col-resize;
  transition: background 0.15s;
  z-index: 20;
}
.panel-resizer:hover,
.panel-resizer.dragging {
  background: var(--accent);
}
#leftResizer  { grid-column: 2; }
#rightResizer { grid-column: 4; }

.dag-left-panel {
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--panel);
  grid-column: 1;
  grid-row: 1;
  border-right: none;
}

.dag-right-panel {
  min-width: 0;
  height: 100vh;
  background: var(--panel);
  grid-column: 5;
  grid-row: 1;
  border-left: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dag-map-panel {
  position: relative;
  grid-column: 3;
  grid-row: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(35, 43, 50, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 43, 50, 0.045) 1px, transparent 1px),
    #f0f2f3;
  background-size: 44px 44px;
}

/* DAG2 is a presentation profile of the same application. The variable-map
   DOM remains inert for shared controller compatibility but is not part of the
   interface; the existing DAG workspace becomes the primary working surface. */
.dag2-mode .dag-shell {
  grid-template-columns: 370px 5px minmax(0, 1fr);
}

.dag2-mode .dag-left-panel {
  grid-column: 1;
}

.dag2-mode #leftResizer {
  grid-column: 2;
}

.dag2-mode .dag-right-panel {
  grid-column: 3;
  display: flex;
}

.dag2-mode .dag-map-panel,
.dag2-mode #rightResizer,
.dag2-mode #modeSwitcher,
.dag2-mode #groupListPanel,
.dag2-mode #rejectedVariablesPanel,
.dag2-mode #groupEditorSection,
.dag2-mode #dvDefineNew,
.dag2-mode #ivDefineNew {
  display: none !important;
}

.dag2-mode #dagWorkspaceSection {
  display: flex;
}

.dag2-mode.defining-variable .dag-right-panel {
  display: none;
}

.dag2-mode.defining-variable .dag-map-panel {
  display: flex !important;
  grid-column: 3;
  grid-row: 1;
}

.definition-block {
  display: grid;
  gap: 12px;
}

.definition-heading,
.definition-source-row,
.definition-source-main {
  display: flex;
  gap: 8px;
  align-items: center;
}

.definition-heading,
.definition-source-main {
  justify-content: space-between;
}

.definition-source-row {
  padding: 8px;
  border-bottom: 1px solid var(--line);
}

.definition-source-row label {
  min-width: 0;
  flex: 1;
}

#definitionSourceList {
  max-height: min(52vh, 560px);
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.definition-residual-row,
.definition-manual-row {
  margin-top: 10px;
}

.definition-selected-variables {
  display: grid;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
}

.definition-review-variables {
  display: grid;
  gap: 4px;
  max-height: 150px;
  overflow-y: auto;
}

.definition-review-variable {
  padding: 6px 8px;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, white);
}

.definition-selected-variable {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 7px 9px;
  border: 1px solid color-mix(in srgb, var(--accent) 42%, var(--line));
  border-radius: 7px;
  background: color-mix(in srgb, var(--accent) 10%, white);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.definition-selected-variable b {
  color: var(--accent);
  font-size: 16px;
}

.dag2-mode .dag-left-panel .export-section {
  border-top: 1px solid var(--line);
}

.dag2-mode .uoa-chips {
  max-height: 280px;
  overflow-y: auto;
}

.dag2-history-controls {
  display: none;
}

.dag2-mode .dag2-history-controls {
  display: flex;
  margin-top: 8px;
}

/* Focus either visualization without leaving the current workflow. */
.dag-body.focus-variable-map .dag-shell,
.dag-body.focus-dag .dag-shell {
  display: block;
}

.dag-body.focus-variable-map .dag-left-panel,
.dag-body.focus-variable-map .dag-right-panel,
.dag-body.focus-variable-map .panel-resizer,
.dag-body.focus-dag .dag-left-panel,
.dag-body.focus-dag .dag-map-panel,
.dag-body.focus-dag .panel-resizer {
  display: none;
}

.dag-body.focus-variable-map .dag-map-panel,
.dag-body.focus-dag .dag-right-panel {
  position: fixed;
  inset: 0;
  z-index: 100;
  width: 100vw;
  height: 100vh;
}

.dag-body.focus-dag .dag-right-panel {
  display: flex;
}

.dag-body.focus-dag .export-section {
  display: none;
}

.fullscreen-toggle.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

#dagMapCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

#dagMapCanvas.brush-mode {
  cursor: crosshair;
}

#dagMapCanvas.dragging {
  cursor: grabbing;
}

.dag-map-labels {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.map-label {
  position: absolute;
  z-index: 1;
  max-width: 280px;
  padding: 3px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.86);
  color: #25312a;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.22;
  text-shadow: none;
  box-shadow: 0 2px 6px rgba(28, 38, 32, 0.1);
  transform: translate(9px, -50%);
  white-space: normal;
}

.map-label.seed,
.map-label.active,
.map-label.selected {
  max-width: 360px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  font-size: 13px;
  box-shadow: 0 3px 10px rgba(28, 38, 32, 0.14);
}

.map-label.search {
  color: #34443b;
}

.map-label.group-region-label {
  z-index: 3;
  font-size: 13px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.92);
  padding: 4px 10px;
  border-radius: 12px;
  border: 1.5px solid;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
  box-shadow: 0 3px 10px rgba(28, 38, 32, 0.16);
}

.dag-bottom-panel {
  grid-column: 2;
  grid-row: 2;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.dag-label {
  display: block;
  margin: 10px 0 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.primary-button {
  width: 100%;
  min-height: 38px;
  margin-top: 10px;
  border: 1px solid #1f6f5f;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.primary-button:disabled,
.toolbar-button:disabled,
.text-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border: 1px solid rgba(31, 122, 103, 0.35);
  border-radius: 999px;
  background: #edf7f4;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.status-pill.muted {
  border-color: var(--line);
  background: #f7f8f5;
  color: var(--muted);
}

.status-pill.warn {
  border-color: rgba(155, 92, 46, 0.38);
  background: #fff4ea;
  color: var(--accent-2);
}

.warning-note {
  margin-top: 10px;
  padding: 9px 10px;
  border: 1px solid rgba(155, 92, 46, 0.3);
  border-radius: 8px;
  background: #fff8ef;
  color: #70401c;
  font-size: 12px;
  line-height: 1.4;
}

.workflow-hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.seed-row,
.chip-list,
.mini-toolbar,
.bottom-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.seed-row {
  margin: 0 0 6px;
}

.chip-list {
  max-height: 150px;
  overflow: auto;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 26px;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.2;
}

.chip button {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #eef1ed;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
}

.search-results,
.candidate-queue,
.provenance-panel,
.group-list {
  display: grid;
  gap: 8px;
}

.search-results {
  max-height: 180px;
  overflow: auto;
}

.result-button,
.candidate-card,
.group-row,
.edge-inspector {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.result-button {
  display: grid;
  gap: 3px;
  padding: 8px 10px;
  cursor: pointer;
  text-align: left;
}

.result-button strong,
.group-row strong,
.candidate-card strong {
  font-size: 13px;
}

.result-button span,
.small-note,
.candidate-card span,
.group-row span,
.edge-inspector,
.provenance-panel {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.result-button:hover,
.candidate-card:hover,
.group-row:hover {
  border-color: var(--accent);
}

.group-editor-section {
  display: none;
}

.group-editor-section.active {
  display: block;
}

.dag-textarea {
  width: 100%;
  min-height: 68px;
  resize: vertical;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
}

.mini-toolbar {
  margin: 8px 0 10px;
}

.file-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  overflow: hidden;
  cursor: pointer;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.compact-title {
  margin-top: 12px;
}

.group-row {
  display: grid;
  gap: 4px;
  padding: 9px 10px;
}

.group-actions,
.candidate-actions,
.edge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.exclude-reason-row {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #fff8f0;
  border: 1px solid #d4915a;
  border-radius: 6px;
  padding: 8px 10px;
}
.exclude-reason-input {
  font-size: 12px;
  resize: vertical;
  min-height: 44px;
}
.exclude-reason-input.input-error {
  border-color: #b83b5e;
  outline: 2px solid rgba(184,59,94,0.25);
}
.exclude-reason-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.action-button {
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfa;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.action-button:hover {
  border-color: var(--accent);
}

/* ── UOA filter ── */
.uoa-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.uoa-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border: 1.5px solid var(--line);
  border-radius: 20px;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.uoa-chip:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.uoa-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.uoa-chip:disabled { opacity: 0.38; cursor: not-allowed; }
.uoa-chip:disabled:hover { background: transparent; color: var(--ink); border-color: var(--line); }
.uoa-chip-combined { border-style: dashed; font-weight: 700; }
.uoa-chip-combined.active { border-style: dashed; }
.uoa-count { font-size: 10px; opacity: 0.65; font-weight: 600; }
.uoa-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  background: var(--surface-2, #f0f3f1);
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 12px;
  flex-wrap: wrap;
  border: 1px solid var(--line);
}
.uoa-filter-label { flex: 1; color: var(--muted, #607066); }
.uoa-filter-label strong { color: var(--ink); }
.toggle-label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--ink);
}

.setup-group-picker {
  display: grid;
  gap: 6px;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.anchor-source-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.anchor-source-header .dag-label {
  margin-bottom: 0;
}

.setup-group-picker-title {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.setup-group-picker-list {
  display: grid;
  gap: 6px;
}

.setup-group-picker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.setup-group-picker-row strong {
  display: block;
  font-size: 12px;
}

.setup-group-picker-row span {
  color: var(--muted);
  font-size: 11px;
}

.setup-group-picker-row .setup-group-variable-match {
  display: block;
  max-width: 290px;
  margin-top: 2px;
  color: #315f9d;
}

/* ── DAG workspace (right panel) ── */
.dag-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  --dag-footer-height: 200px;
  padding: 0 !important;
  overflow: hidden;
}
.dag-ws-header {
  flex-shrink: 0;
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--line);
  margin: 0 !important;
}
.dag-ws-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 4px;
}
.path-length-control {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 30px;
  padding: 0 6px 0 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfa;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}
.path-length-control:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(31, 122, 103, 0.12);
}
.path-length-input {
  width: 46px;
  height: 24px;
  padding: 1px 3px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  text-align: center;
}
.path-length-input:disabled {
  opacity: 0.5;
}
.dag-svg-wrapper,
.dag-network-wrapper {
  flex: 1;
  min-height: 200px;
  overflow: hidden;
  position: relative;
}
.dag-workspace-resizer {
  flex: 0 0 8px;
  cursor: ns-resize;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(to bottom, transparent 0, transparent 2px, rgba(96,112,102,0.22) 2px, rgba(96,112,102,0.22) 3px, transparent 3px, transparent 5px),
    #f3f5f2;
}
.dag-workspace-resizer:hover,
.dag-workspace-resizer.dragging {
  background:
    linear-gradient(to bottom, transparent 0, transparent 2px, rgba(31,122,103,0.35) 2px, rgba(31,122,103,0.35) 3px, transparent 3px, transparent 5px),
    #eef4f1;
}
.dag-network {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 18% 18%, rgba(32, 129, 112, 0.075), transparent 30%),
    radial-gradient(circle at 86% 22%, rgba(49, 95, 157, 0.065), transparent 28%),
    linear-gradient(135deg, rgba(20, 36, 32, 0.035) 0 1px, transparent 1px 34px),
    #fbfcfa;
}
.dag-ws-footer {
  flex-shrink: 0;
  flex-basis: var(--dag-footer-height);
  min-height: 120px;
  max-height: 60%;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  padding: 0 14px 8px;
}

/* Group editor section also fills the panel when shown */
#groupEditorSection {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

/* Export section: collapsed by default, compact */
.export-section {
  flex-shrink: 0;
  border-top: 2px solid var(--line);
  overflow: hidden;
}
.export-toggle-header {
  cursor: pointer;
  user-select: none;
  padding: 8px 14px;
  margin: 0 !important;
}
.export-toggle-header:hover { background: var(--surface-2, #f0f3f1); }
.export-chevron { font-size: 10px; color: var(--muted); transition: transform 0.2s; }
.export-section.open .export-chevron { transform: rotate(180deg); }
.export-body {
  display: none;
  padding: 0 14px 10px;
}
.export-section.open .export-body { display: block; }

/* ── DAG working map SVG ── */
.dag-svg {
  width: 100%;
  height: 100%;
  display: block;
  background: #fbfcfa;
  overflow: visible;
  cursor: grab;
  user-select: none;
}

.dag-edge {
  fill: none;
  stroke: #7a9188;
  stroke-width: 2;
  cursor: pointer;
  transition: stroke 0.12s, stroke-width 0.12s;
}
.dag-edge:hover { stroke: #354f45; stroke-width: 2.8; }

.dag-edge.target {
  stroke: #315f9d;
  stroke-width: 2.8;
  stroke-dasharray: none;
}
.dag-edge.target:hover { stroke: #1d3d6b; stroke-width: 3.6; }

.dag-edge.manual {
  stroke: var(--accent-2);
  stroke-dasharray: 4 4;
}

.dag-edge.bidirectional { stroke-width: 2.4; }
.dag-edge.selected { stroke: #b83b5e !important; stroke-width: 3.5 !important; }

.dag-node { cursor: pointer; }
.dag-node rect { transition: filter 0.15s; }
.dag-node:hover rect { filter: brightness(1.10); }

.edge-inspector {
  margin-top: 10px;
  padding: 10px;
}

.edge-inspector.empty {
  color: var(--muted);
}

.bottom-tabs {
  padding: 10px 12px 0;
  border-bottom: 1px solid var(--line);
}

.tab-button {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: #f7f8f5;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.tab-button.active {
  background: #fff;
  color: var(--ink);
}

.candidate-queue,
.provenance-panel {
  height: calc(100% - 43px);
  padding: 12px;
  overflow: auto;
}

.candidate-card {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
}

.role-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.role-pill {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  padding: 3px 7px;
  border-radius: 999px;
  background: #eef3f6;
  color: #315f9d;
  font-size: 11px;
  font-weight: 800;
}

.provenance-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 12px;
}

.provenance-table th,
.provenance-table td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.provenance-table th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.provenance-table .provenance-concept {
  min-width: 220px;
  max-width: 360px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.provenance-table .provenance-classification {
  min-width: 150px;
  color: var(--blue);
  font-weight: 700;
  white-space: normal;
}

.brush-box {
  position: absolute;
  border: 1px dashed var(--accent);
  background: rgba(31, 122, 103, 0.08);
  pointer-events: none;
}

/* ── Mode switcher ── */

.mode-switcher {
  display: flex;
  gap: 0;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.anchor-bar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.anchor-bar[hidden] { display: none; }
.anchor-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.anchor-tag {
  flex: 0 0 auto;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 800;
  font-size: 10px;
  color: #fff;
}
.anchor-tag.anchor-dv { background: #9b5c2e; }
.anchor-tag.anchor-iv { background: #315f9d; }
.anchor-label {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.anchor-row .text-button { flex: 0 0 auto; }

.mode-tab {
  min-height: 38px;
  padding: 0 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: color 0.1s, border-color 0.1s;
}

.mode-tab:hover {
  color: var(--ink);
}

.mode-tab.active {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ── Group filter tabs ── */

/* ── Compact select ── */

.select-input-sm {
  height: 28px;
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfa;
  color: var(--ink);
  font: inherit;
  font-size: 11px;
}

/* ── Toolbar separator ── */

.toolbar-sep {
  width: 1px;
  height: 20px;
  margin: auto 2px;
  background: var(--line);
}

/* ── Group row enhancements ── */

.group-row-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.group-row-meta {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 11px;
}

.group-row-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}

.group-status-label,
.group-role-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.group-status-label.rejected {
  color: #b83b3b;
}

.group-row-rejected {
  opacity: 0.62;
  border-left: 3px solid #b83b3b;
}

.group-row-active {
  border-color: var(--accent);
  background: #f4fbf8;
}

.rejected-variable-row {
  display: grid;
  gap: 8px;
}

/* ── Action history overlay ── */

.action-history {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  width: 320px;
  max-height: 320px;
  overflow: auto;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
  font-size: 12px;
}

.ah-empty {
  color: var(--muted);
  font-style: italic;
}

.ah-entry {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 5px 0;
  border-bottom: 1px solid var(--line);
}

.ah-entry:last-child {
  border-bottom: 0;
}

.ah-desc {
  color: var(--ink);
  line-height: 1.35;
}

.ah-time {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

/* ── + Add edge collapsed bar + drawer ── */

.add-edge-bar {
  padding: 10px 0 2px;
}

.add-edge-toggle {
  width: 100%;
}

.add-edge-drawer {
  margin-top: 8px;
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafbf9;
}

.add-edge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

/* ── Edge inspector (now always in right panel) ── */

.edge-inspector {
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafbf9;
}

.edge-inspector.empty {
  color: var(--muted);
  font-style: italic;
}

/* ── Provenance panel (now in right panel, not bottom) ── */

.provenance-panel {
  margin-top: 10px;
  max-height: 380px;
  overflow: auto;
  font-size: 12px;
  color: var(--muted);
}

/* ── DAG edge: selected highlight ── */

.dag-edge.selected {
  stroke-width: 3;
  filter: drop-shadow(0 0 4px rgba(31, 95, 157, 0.45));
}

/* ── Group editor: status action row ── */

.group-status-actions {
  margin-bottom: 10px;
}

/* ── Responsive ── */

@media (max-width: 1120px) {
  .dag-shell {
    grid-template-columns: minmax(310px, 360px) minmax(0, 1fr);
    grid-template-rows: minmax(480px, 60vh) minmax(380px, auto);
    overflow: auto;
  }

  .dag-left-panel {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .dag-map-panel {
    grid-column: 2;
    grid-row: 1;
  }

  .dag-right-panel {
    grid-column: 2;
    grid-row: 2;
    height: auto;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 840px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(260px, 42vh) minmax(0, 1fr);
  }

  .control-panel {
    order: 2;
    height: 58vh;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .map-panel {
    order: 1;
    height: 42vh;
  }

  .dag-shell {
    display: block;
    height: auto;
    min-height: 100vh;
    overflow: auto;
  }

  .dag-left-panel,
  .dag-right-panel {
    height: auto;
    max-height: none;
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .dag-map-panel {
    height: 58vh;
  }
}

@media (min-width: 841px) and (max-width: 1120px) {
  .dag2-mode .dag-shell {
    grid-template-rows: 1fr;
    height: 100vh;
    overflow: hidden;
  }

  .dag2-mode .dag-left-panel,
  .dag2-mode .dag-right-panel {
    grid-row: 1;
    height: 100vh;
    border-top: 0;
  }
}

@media (max-width: 840px) {
  .dag2-mode .dag-shell {
    display: block;
    height: auto;
    overflow: auto;
  }

  .dag2-mode .dag-right-panel {
    min-height: 620px;
    height: 72vh;
  }
}
.dag-auth {
  display: grid;
  justify-items: end;
  gap: 4px;
  margin-left: auto;
}

.auth-identity {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 650;
}

.auth-status {
  max-width: 240px;
  color: var(--muted, #64748b);
  font-size: 11px;
  text-align: right;
}

.auth-status.auth-error { color: #b42318; }

.publication-status {
  overflow-wrap: anywhere;
  color: var(--muted, #64748b);
  font-size: 12px;
}

.publication-status:empty { display: none; }
.publication-status.publication-error { color: #b42318; }

.toolbar-button.share-copied,
.toolbar-button.share-copied:hover {
  border-color: #16856b;
  background: #16856b;
  color: #fff;
}

.published-schema-permalink {
  display: inline-block;
  margin-top: 6px;
  color: var(--accent, #3157a4);
  font-size: 12px;
  font-weight: 650;
}

.publication-dialog {
  width: min(520px, calc(100vw - 40px));
  padding: 24px;
  border: 1px solid #d8dde5;
  border-radius: 12px;
  color: #172033;
  box-shadow: 0 18px 60px rgb(15 23 42 / 24%);
}

.publication-dialog::backdrop { background: rgb(15 23 42 / 48%); }
.publication-dialog h2 { margin: 0 0 14px; font-size: 20px; }
.publication-dialog p { color: #475569; line-height: 1.5; }

.startup-loading {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgb(246 247 249 / 96%);
}

.password-locked .dag-shell,
.password-locked .startup-loading {
  visibility: hidden;
}

.password-gate {
  position: fixed;
  z-index: 20000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #f6f7f9;
}

.password-gate[hidden] { display: none; }

.password-gate-card {
  width: min(380px, calc(100vw - 48px));
  padding: 28px;
  border: 1px solid #d8dde5;
  border-radius: 12px;
  background: white;
  box-shadow: 0 12px 36px rgb(15 23 42 / 10%);
}

.password-gate-card h1 { margin: 4px 0 10px; font-size: 24px; }
.password-gate-card > p:not(.eyebrow) { color: #64748b; }
.password-gate-card .search-input { margin: 6px 0 14px; }
.password-gate-card .primary-button { width: 100%; }
.password-gate-error { margin: -6px 0 12px; color: #b42318 !important; font-size: 13px; }

.startup-loading[hidden] { display: none; }

.startup-loading-card {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: min(360px, calc(100vw - 48px));
  padding: 22px 24px;
  border: 1px solid #d8dde5;
  border-radius: 12px;
  background: white;
  box-shadow: 0 12px 36px rgb(15 23 42 / 10%);
}

.startup-loading-card strong { color: #172033; font-size: 17px; }
.startup-loading-card p { margin: 4px 0 0; color: #64748b; font-size: 13px; }

.startup-spinner {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border: 3px solid #dbe3ee;
  border-top-color: #3157a4;
  border-radius: 50%;
  animation: startup-spin 800ms linear infinite;
}

@keyframes startup-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .startup-spinner { animation: none; border-top-color: #dbe3ee; background: #3157a4; }
}

.publication-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

.auth-callback-body {
  display: grid;
  min-height: 100vh;
  margin: 0;
  place-items: center;
  background: #f6f7f9;
  font-family: system-ui, sans-serif;
}

.auth-callback-card {
  width: min(360px, calc(100vw - 48px));
  padding: 28px;
  border: 1px solid #d8dde5;
  border-radius: 12px;
  background: white;
  box-shadow: 0 12px 36px rgb(15 23 42 / 10%);
}

.auth-callback-card h1 { margin-top: 0; font-size: 20px; }