:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-selected: #edf4ff;
  --text: #1f2937;
  --text-soft: #4b5563;
  --muted: #6b7280;
  --line: #d9dee7;
  --line-strong: #b8c2d2;
  --accent: #185abd;
  --accent-dark: #174ea6;
  --accent-soft: #e8f0fe;
  --ok: #107c10;
  --warn: #9a6700;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 10px 28px rgba(16, 24, 40, 0.06);
  --radius: 6px;
  --rail-collapsed: 56px;
  --rail-expanded: 216px;
  --header: 48px;
  --sans: "Segoe UI", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: fixed;
  top: -4rem;
  left: 1rem;
  z-index: 200;
  padding: 0.65rem 0.9rem;
  color: white;
  background: var(--accent);
}

.skip-link:focus {
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.is-hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
}

/* Shell */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  height: var(--header);
  min-height: var(--header);
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 8px;
  color: var(--text);
  text-decoration: none;
}

.brand > span:last-child {
  min-width: 0;
}

.brand-mark,
.brand-mark.compact {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: white;
  background: #1f2937;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 13px;
  font-weight: 700;
}

.brand small {
  color: var(--muted);
  font-size: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 100%;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.top-nav::-webkit-scrollbar {
  display: none;
}

.nav-button,
.choice-button {
  border: 0;
  cursor: pointer;
}

.top-nav .nav-button {
  flex: 0 0 auto;
  align-self: stretch;
  min-height: var(--header);
  padding: 0 12px;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: #374151;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.top-nav .nav-button:hover {
  background: #f6f8fb;
}

.top-nav .nav-button.is-active {
  color: var(--accent-dark);
  background: transparent;
  border-bottom-color: var(--accent);
}

.topbar-status {
  display: none;
  justify-items: end;
  min-width: 120px;
  max-width: 170px;
  line-height: 1.1;
}

.topbar-status strong {
  font-size: 12px;
  font-weight: 650;
}

.topbar-status small {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
}

.app-rail {
  position: fixed;
  top: var(--header);
  bottom: 0;
  left: 0;
  z-index: 60;
  display: flex;
  flex-direction: column;
  width: var(--rail-collapsed);
  padding: 10px 6px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: var(--surface);
  transition: width 160ms ease;
}

.app-rail:hover,
.app-rail:focus-within {
  width: var(--rail-expanded);
}

.rail-button {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  width: 100%;
  min-height: 40px;
  gap: 10px;
  padding: 0 9px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 4px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.rail-button span {
  display: grid;
  width: 32px;
  height: 28px;
  place-items: center;
  color: var(--text-soft);
  background: transparent;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.rail-button strong {
  min-width: 0;
  color: var(--text);
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  transform: translateX(-6px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.app-rail:hover .rail-button strong,
.app-rail:focus-within .rail-button strong {
  opacity: 1;
  transform: translateX(0);
}

.rail-button:hover {
  background: #f3f4f6;
}

.rail-button.is-active {
  border-left-color: var(--accent);
  background: var(--surface-selected);
}

.rail-button.is-active span {
  color: var(--accent);
}

main {
  width: auto;
  max-width: none;
  margin: 0;
  padding: 14px 18px 40px calc(var(--rail-collapsed) + 14px);
}

.app-view {
  display: none;
}

.app-view.is-active {
  display: block;
}

/* Buttons */
.primary-button,
.secondary-button,
.choice-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}

.primary-button {
  color: white;
  background: var(--accent);
  border-color: var(--accent);
}

.primary-button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.secondary-button,
.choice-button,
.icon-button {
  color: var(--text);
  background: var(--surface);
  border-color: var(--line-strong);
}

.secondary-button:hover,
.choice-button:hover,
.icon-button:hover {
  background: #f3f4f6;
}

.choice-button.is-active {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-color: #b7cdfa;
}

.primary-button:disabled,
.secondary-button:disabled,
.choice-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.full-width {
  width: 100%;
}

.muted-action {
  color: var(--muted);
}

/* Page Headers */
.home-command,
.workspace-hero,
.compare-page-header,
.tool-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  gap: 14px;
  margin: 0 0 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.home-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.home-title .brand-mark.compact {
  display: none;
}

.home-actions,
.workspace-actions,
.pipeline-report-actions,
.pipeline-status-actions,
.run-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.workspace-actions {
  color: var(--text-soft);
  font-size: 12px;
}

.workspace-actions p {
  margin: 0;
  color: var(--muted);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.2;
  font-weight: 650;
}

h2 {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.25;
  font-weight: 650;
}

h3 {
  margin-bottom: 7px;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 650;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.workspace-copy,
.field-help,
.card-help,
.table-note {
  color: var(--muted);
  font-size: 12px;
}

/* Surfaces */
.panel,
.result-panel,
.simple-card,
.text-panel,
.metric-card,
.inline-explainer,
.pair-card,
.embedded-tool,
.tool-launcher,
.suite-kpis,
.workflow-card,
.legal-text-card,
.affinity-graph-shell {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.panel,
.result-panel,
.simple-card {
  padding: 14px;
}

.panel-heading,
.result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.result-heading p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 34px;
  margin: 0 0 6px;
  padding: 0 2px;
}

.section-title span {
  color: var(--muted);
  font-size: 12px;
}

.warning,
.result-note {
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid #f5d48d;
  background: #fff8e6;
  color: #5f3b00;
  border-radius: 4px;
  font-size: 12px;
}

.warning-list {
  display: grid;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  color: #374151;
  background: #f3f4f6;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
}

.badge.demo {
  color: #7c2d12;
  background: #ffedd5;
  border-color: #fed7aa;
}

.empty-state {
  display: grid;
  align-content: start;
  justify-items: start;
  min-height: 104px;
  gap: 4px;
  padding: 18px;
  color: var(--muted);
  text-align: left;
}

.empty-state h2 {
  color: var(--text);
}

.empty-glyph {
  display: none;
}

/* Home */
.home-overview,
.home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.suite-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.suite-kpis article,
.stat-card,
.metric-card {
  min-height: 58px;
  padding: 10px 12px;
  border-right: 1px solid var(--line);
}

.suite-kpis article:last-child {
  border-right: 0;
}

.suite-kpis strong,
.stat-card strong,
.metric-card strong {
  display: block;
  font-size: 18px;
  font-weight: 700;
}

.suite-kpis span,
.stat-card span,
.metric-card span {
  color: var(--muted);
  font-size: 12px;
}

.stat-grid,
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.analysis-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.tool-launcher {
  display: block;
  overflow: hidden;
}

.tool-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 260px) 86px;
  align-items: center;
  width: 100%;
  min-height: 48px;
  gap: 12px;
  padding: 9px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}

.tool-card:last-child {
  border-bottom: 0;
}

.tool-card:hover,
.tool-card.primary-tool {
  background: var(--surface-muted);
}

.tool-icon {
  display: none;
}

.tool-copy {
  min-width: 0;
}

.tool-card strong {
  display: block;
  font-size: 13px;
  font-weight: 650;
}

.tool-card small,
.tool-output,
.tool-meta b {
  color: var(--muted);
  font-size: 12px;
}

.tool-output {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-meta {
  justify-self: end;
}

/* Forms */
.field {
  display: grid;
  gap: 5px;
  margin-bottom: 10px;
}

.field > span,
.normalization-box legend {
  color: #374151;
  font-size: 12px;
  font-weight: 650;
}

.field input,
.field select,
.field textarea,
.search-box input {
  width: 100%;
  min-height: 34px;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  border-radius: 4px;
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.search-box input:focus {
  outline: 2px solid #c9ddff;
  border-color: var(--accent);
}

.search-box {
  display: block;
  min-width: min(360px, 100%);
}

.normalization-box {
  display: grid;
  gap: 8px;
  margin: 10px 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
}

.normalization-box label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
}

.span-2 {
  grid-column: span 2;
}

.form-status {
  margin: 0;
  color: var(--danger);
  font-size: 12px;
}

/* Dialogs */
dialog {
  width: min(780px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(15, 23, 42, 0.35);
}

dialog form {
  padding: 16px;
}

.dialog-heading,
.dialog-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.dialog-actions {
  align-items: center;
  justify-content: flex-end;
  margin-top: 12px;
}

.import-choice {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.drop-zone,
.import-backend-status {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px dashed var(--line-strong);
  background: var(--surface-muted);
  border-radius: 6px;
  color: var(--muted);
}

.import-backend-status {
  margin: 10px 0;
  border-style: solid;
  font-size: 12px;
}

/* Layouts */
.compare-layout,
.tool-workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 12px;
}

#view-pipeline .compare-layout {
  grid-template-columns: 360px minmax(0, 1fr);
  align-items: start;
}

#view-pipeline .compare-controls {
  position: static;
  max-height: none;
  overflow: visible;
}

#view-pipeline .compare-page-header {
  min-height: 54px;
}

.compare-controls,
.tool-controls {
  position: sticky;
  top: calc(var(--header) + 14px);
  align-self: start;
}

.compare-results,
.tool-results {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.compare-header-card {
  display: grid;
  gap: 2px;
  min-width: 170px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: var(--radius);
  font-size: 12px;
}

.check-list,
.module-choice-list {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.check-item,
.module-choice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  align-items: start;
  min-height: 42px;
  padding: 8px 9px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.check-item:last-child,
.module-choice:last-child {
  border-bottom: 0;
}

.check-item:has(input:checked),
.module-choice:has(input:checked) {
  background: var(--surface-selected);
}

.check-item strong,
.check-item small,
.module-choice strong,
.module-choice small,
.module-choice em {
  display: block;
}

.check-item small,
.module-choice small,
.module-choice em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.module-console,
.pipeline-module-picker {
  display: grid;
  gap: 10px;
}

.module-summary,
.module-paths,
.audit-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.module-summary span,
.module-paths code,
.audit-summary article {
  padding: 5px 8px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
  color: var(--text-soft);
  font-size: 12px;
}

.pipeline-advanced {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
}

.pipeline-advanced summary {
  cursor: pointer;
  font-weight: 650;
}

.pipeline-status-grid,
.lexicon-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
}

.pipeline-status-card,
.lexicon-summary-card,
.run-row {
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.pipeline-status-card > span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.pipeline-status-card.ok > span {
  color: var(--ok);
}

.pipeline-status-card.error > span {
  color: var(--danger);
}

.pipeline-status-card p,
.pipeline-status-card small {
  color: var(--muted);
}

.pipeline-status-card h3,
.lexicon-summary-card h3 {
  overflow-wrap: anywhere;
}

.empty-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.empty-flow span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* Tables */
.legal-table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.legal-table,
.token-table,
.contributor-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 12px;
}

.legal-table th,
.legal-table td,
.token-table th,
.token-table td,
.contributor-table th,
.contributor-table td {
  padding: 8px 9px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.legal-table th,
.token-table th,
.contributor-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-muted);
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 700;
}

.legal-term-table {
  min-width: 920px;
}

.module-table td small,
.legal-table small {
  display: block;
  color: var(--muted);
}

.runtime-ok {
  color: var(--ok);
}

.runtime-missing {
  color: var(--muted);
}

/* Library */
.corpus-panel {
  padding: 0;
  overflow: hidden;
}

.corpus-toolbar {
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.document-list {
  display: grid;
}

.document-row {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(3, minmax(120px, 1fr)) auto 24px;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 10px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}

.document-row:last-child {
  border-bottom: 0;
}

.document-row:hover {
  background: var(--surface-muted);
}

.document-title strong,
.document-title span,
.document-meta strong,
.document-meta span {
  display: block;
}

.document-title span,
.document-meta span {
  color: var(--muted);
  font-size: 12px;
}

.row-arrow {
  color: var(--muted);
  font-size: 18px;
}

/* Document modal */
.document-dialog {
  width: min(1180px, calc(100vw - 28px));
}

.document-dialog form {
  padding: 0;
}

.document-shell {
  display: grid;
  max-height: calc(100vh - 34px);
  grid-template-rows: auto auto minmax(0, 1fr);
}

.document-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.metadata-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.document-tabs {
  display: flex;
  gap: 2px;
  padding: 8px 12px 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.tab-button {
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  cursor: pointer;
  font-weight: 650;
}

.tab-button.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--surface);
}

.tab-panel {
  display: none;
  min-height: 0;
  overflow: auto;
  padding: 14px;
}

.tab-panel.is-active {
  display: block;
}

.reader-grid,
.analysis-columns,
.annotation-layout,
.syntax-layout,
.legal-layout,
.diff-grid,
.affinity-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.text-panel {
  overflow: hidden;
}

.text-panel header,
.legal-text-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.text-body,
.legal-text-card pre,
.diff-pane pre,
.editor-document-page {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.7;
}

.text-body,
.legal-text-card pre,
.diff-pane pre {
  margin: 0;
  padding: 14px;
  max-height: 560px;
  overflow: auto;
}

.bar-list {
  display: grid;
  gap: 7px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) minmax(80px, 2fr) auto;
  align-items: center;
  gap: 8px;
}

.bar-track {
  height: 7px;
  overflow: hidden;
  background: #e5e7eb;
  border-radius: 999px;
}

.bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
}

.feature-link {
  padding: 0;
  border: 0;
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.kwic-controls {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}

.kwic-controls input {
  flex: 1;
  min-height: 34px;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}

.kwic-list {
  display: grid;
  gap: 6px;
}

.kwic-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
}

.kwic-left {
  color: var(--muted);
  text-align: right;
}

.kwic-match {
  color: var(--accent);
}

.syntax-sentence {
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
  font-family: var(--serif);
}

.dependency-tree ul {
  margin: 0 0 0 1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.dependency-tree li {
  margin: 5px 0;
}

.dependency-tree em {
  color: var(--muted);
  font-size: 12px;
}

.syntax-empty,
.parser-runner {
  display: grid;
  gap: 10px;
}

.parser-status-list {
  display: grid;
  gap: 8px;
}

.parser-status {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.parser-status.ok {
  border-color: #b7e4b7;
  background: #f0fff0;
}

.parser-status.missing {
  border-color: #f5d48d;
  background: #fff8e6;
}

/* Editor */
body[data-current-view="editor"] main {
  padding: 14px 18px 40px calc(var(--rail-collapsed) + 14px);
}

.editor-ribbon {
  position: static;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(260px, 420px) auto minmax(160px, auto);
  align-items: center;
  gap: 8px;
  min-height: 56px;
  margin-bottom: 12px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.editor-ribbon-title {
  min-width: 0;
}

.editor-ribbon-title strong,
.editor-ribbon-title span {
  display: block;
}

.editor-ribbon-title strong {
  font-size: 13px;
}

.editor-ribbon-title span {
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor-document-field {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin: 0;
  min-width: 0;
}

.editor-document-field select {
  min-width: 0;
}

.editor-ribbon-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.editor-status-line {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
  white-space: nowrap;
}

.editor-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  height: calc(100vh - var(--header) - 96px);
  min-height: 620px;
  gap: 12px;
}

.editor-document-stage {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: start;
  min-width: 0;
  min-height: 0;
  padding: 10px;
  overflow: auto;
  border: 1px solid var(--line);
  background: #eef1f5;
  border-radius: var(--radius);
}

.editor-page-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  width: min(1080px, 100%);
  padding: 8px 12px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
  font-size: 12px;
}

.editor-page-toolbar strong {
  color: var(--text);
}

.editor-start {
  position: absolute;
  inset: 14px;
  display: grid;
  place-items: center;
  background: rgba(238, 241, 245, 0.92);
  text-align: center;
  z-index: 2;
}

.editor-start.is-hidden {
  display: none;
}

.editor-document-page {
  width: min(1080px, 100%);
  min-height: max(780px, calc(100vh - var(--header) - 170px));
  height: max-content;
  margin: 0 auto;
  padding: 32px 40px;
  border: 1px solid var(--line);
  background: var(--surface);
  outline: none;
  box-shadow: none;
}

.editor-document-page:empty::before {
  content: "Carica un documento per iniziare.";
  color: var(--muted);
}

.editor-annotation-list {
  min-height: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.editor-annotation-list.is-collapsed {
  display: none;
}

.editor-context-menu {
  position: fixed;
  z-index: 120;
  display: none;
  min-width: 190px;
  padding: 5px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.editor-context-menu.is-visible {
  display: grid;
}

.editor-context-menu button {
  padding: 8px 10px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.editor-context-menu button:hover {
  background: var(--surface-muted);
}

.editor-annotation-popover {
  position: fixed;
  right: 28px;
  top: 88px;
  z-index: 110;
  display: none;
  width: 320px;
  padding: 12px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.editor-annotation-popover.is-visible {
  display: grid;
  gap: 8px;
}

.popover-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.selection-preview {
  padding: 8px;
  color: var(--muted);
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
}

/* Annotations and legal highlighting */
.annotation-mark,
.legal-hit {
  padding: 0.05em 0.16em;
  border-radius: 3px;
}

.annotation-tone-note,
.annotation-mark.annotation-tone-note {
  background: #fff4bd;
}

.annotation-tone-person,
.annotation-mark.annotation-tone-person {
  background: #dbeafe;
}

.annotation-tone-place,
.annotation-mark.annotation-tone-place {
  background: #dcfce7;
}

.annotation-tone-asset,
.annotation-mark.annotation-tone-asset {
  background: #fef3c7;
}

.annotation-tone-legal,
.annotation-mark.annotation-tone-legal {
  background: #fce7f3;
}

.annotation-tone-variant,
.annotation-mark.annotation-tone-variant {
  background: #ede9fe;
}

.annotation-tone-uncertain,
.annotation-mark.annotation-tone-uncertain {
  background: #fee2e2;
}

.annotation-list {
  display: grid;
  gap: 8px;
}

.annotation-card {
  padding: 10px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  background: var(--surface);
  border-radius: 4px;
}

.annotation-card p {
  margin-bottom: 6px;
}

.annotation-card small {
  color: var(--muted);
}

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

.legal-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
}

.legal-legend-title {
  grid-column: 1 / -1;
  font-size: 12px;
}

.legal-legend-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 6px 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 4px;
  font-size: 12px;
}

.legal-legend-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.legal-legend-item b {
  color: var(--muted);
  font-weight: 650;
}

.legal-legend mark,
.legal-swatch {
  display: inline-block;
  width: 18px;
  height: 12px;
  border-radius: 3px;
}

.legal-text-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.legal-text-views {
  display: grid;
  grid-template-columns: 1fr;
}

.legal-text-views.has-lemmas {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.legal-text-views section {
  min-width: 0;
  border-right: 1px solid var(--line);
}

.legal-text-views section:last-child {
  border-right: 0;
}

.legal-text-views section > span {
  display: block;
  padding: 7px 12px;
  color: var(--muted);
  background: var(--surface-muted);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.legal-hit.legal-tone-0 { background: #fef3c7; }
.legal-hit.legal-tone-1 { background: #dbeafe; }
.legal-hit.legal-tone-2 { background: #dcfce7; }
.legal-hit.legal-tone-3 { background: #fce7f3; }
.legal-hit.legal-tone-4 { background: #ede9fe; }
.legal-hit.legal-tone-5 { background: #cffafe; }
.legal-hit.legal-tone-6 { background: #fee2e2; }
.legal-hit.legal-tone-7 { background: #e0f2fe; }

.legal-summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.legal-summary-strip article {
  padding: 12px;
  border-right: 1px solid var(--line);
}

.legal-summary-strip strong,
.legal-summary-strip span {
  display: block;
}

.legal-summary-strip strong {
  overflow-wrap: anywhere;
  font-size: 18px;
}

.legal-summary-strip span {
  color: var(--muted);
  font-size: 12px;
}

.legal-summary-strip article:last-child {
  border-right: 0;
}

.legal-doc-hits span,
.legal-aliases code {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

/* Stylometry and parallels */
.explanation-grid,
.parallel-list,
.run-list {
  display: grid;
  gap: 10px;
}

.pair-card.is-selected {
  border-color: var(--accent);
}

.pair-summary {
  display: flex;
  width: 100%;
  justify-content: space-between;
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.parallel-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.passage {
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
}

.similarity-chip {
  align-self: center;
  padding: 5px 8px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  font-weight: 700;
}

.parallel-card mark {
  background: #fff4bd;
}

/* Diff, integrations */
.diff-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.diff-summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.diff-summary-strip article {
  padding: 10px 12px;
  border-right: 1px solid var(--line);
}

.diff-summary-strip article:last-child {
  border-right: 0;
}

.diff-summary-strip strong,
.diff-summary-strip span {
  display: block;
}

.diff-summary-strip span {
  color: var(--muted);
  font-size: 12px;
}

.diff-legend span,
.diff-token {
  padding: 2px 5px;
  border-radius: 3px;
}

.diff-pane {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.diff-pane h3 {
  margin: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.diff-replace { background: #fef3c7; }
.diff-delete { background: #fee2e2; text-decoration: line-through; }
.diff-insert { background: #dcfce7; }

.voyant-frame,
.collatinus-frame,
.embedded-tool iframe {
  width: 100%;
  min-height: 620px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

/* Affinity */
.affinity-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 12px;
}

.pca-mode-box {
  background: var(--surface);
}

.pca-detail-panel {
  padding: 0;
  overflow: hidden;
}

.pca-detail-panel summary {
  padding: 12px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
  font-weight: 650;
}

.pca-detail-grid {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.pca-detail-grid h3 {
  margin-bottom: 10px;
}

.affinity-graph-shell {
  padding: 12px;
  overflow: auto;
}

.affinity-graph {
  width: 100%;
  min-height: 330px;
  display: block;
}

.affinity-graph-bg {
  fill: #f8fafc;
  stroke: var(--line);
}

.affinity-edge {
  stroke: #93a4bd;
}

.affinity-node rect {
  fill: var(--surface);
  stroke: var(--accent);
  stroke-width: 1.4;
}

.affinity-node text {
  text-anchor: middle;
}

.affinity-node-index {
  fill: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.affinity-node-label {
  fill: var(--text);
  font-size: 10.5px;
}

.affinity-readout {
  display: grid;
  gap: 8px;
}

.affinity-readout article,
.affinity-merges article,
.affinity-merge-card {
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 4px;
}

.affinity-readout strong,
.affinity-readout span,
.affinity-merges strong,
.affinity-merges span,
.affinity-merges small {
  display: block;
}

.affinity-readout span,
.affinity-merges span,
.affinity-merges small {
  color: var(--muted);
  font-size: 12px;
}

.affinity-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.affinity-feature-tags span {
  padding: 3px 7px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 999px;
  font-size: 12px;
}

.affinity-merge-card.is-linked {
  border-color: #b7cdfa;
  background: var(--accent-soft);
}

.pca-shell {
  min-width: 0;
  background: var(--surface);
}

.pca-plot {
  display: block;
  width: 100%;
  min-width: 620px;
  min-height: 360px;
}

.pca-bg {
  fill: #ffffff;
  stroke: var(--line);
}

.pca-axis {
  stroke: #b8c2d2;
  stroke-width: 1;
}

.pca-axis-label {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.pca-point circle {
  fill: var(--accent);
  stroke: #0f3f8d;
  stroke-width: 1;
}

.pca-point text {
  fill: white;
  font-size: 7px;
  font-weight: 750;
}

.pca-document-key {
  display: grid;
  gap: 6px;
}

.pca-document-key article {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 7px;
  padding: 7px 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 4px;
}

.pca-document-key b {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: white;
  background: var(--accent);
  border-radius: 50%;
  font-size: 11px;
}

.pca-document-key span,
.pca-document-key small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pca-document-key small {
  grid-column: 2;
  color: var(--muted);
  font-size: 11px;
}

.pca-variance-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.pca-variance-strip article {
  padding: 9px 10px;
  border-right: 1px solid var(--line);
}

.pca-variance-strip article:last-child {
  border-right: 0;
}

.pca-variance-strip strong,
.pca-variance-strip span {
  display: block;
}

.pca-variance-strip span {
  color: var(--muted);
  font-size: 11px;
}

.pca-feature-preview {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 4px;
  font-size: 12px;
}

.pca-feature-preview strong {
  color: var(--text);
}

.pca-feature-preview span {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.pca-loadings,
.profile-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
}

.pca-loadings article,
.profile-card {
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.pca-loading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.pca-loading-row:last-child {
  border-bottom: 0;
}

.pca-loading-row span,
.profile-feature-list span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.pca-loading-row b {
  color: var(--muted);
}

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

.profile-feature-list span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.profile-feature-list b {
  color: var(--text);
}

/* Reports */
.run-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.run-row strong,
.run-row small,
.run-row span {
  display: block;
}

.run-row small,
.run-row span {
  color: var(--muted);
  font-size: 12px;
}

/* Toast */
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 220;
  max-width: 380px;
  padding: 10px 12px;
  color: white;
  background: #1f2937;
  border-radius: 6px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 150px minmax(0, 1fr) auto;
  }

  .topbar-status {
    display: none;
  }

  .compare-layout,
  .tool-workspace,
  .reader-grid,
  .analysis-columns,
  .syntax-layout,
  .annotation-layout,
  .diff-grid,
  .affinity-layout,
  .legal-text-views.has-lemmas {
    grid-template-columns: 1fr;
  }

  .legal-text-views section {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .legal-text-views section:last-child {
    border-bottom: 0;
  }

  #view-pipeline .compare-layout {
    grid-template-columns: 1fr;
  }

  .compare-controls,
  .tool-controls {
    position: static;
  }
}

@media (max-width: 1320px) {
  .site-header {
    grid-template-columns: minmax(130px, 170px) minmax(0, 1fr) auto;
  }

  .topbar-status {
    display: none;
  }
}

@media (max-width: 1180px) {
  .editor-workspace {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
  }

  .editor-document-stage {
    min-height: calc(100vh - var(--header) - 150px);
  }

  .editor-annotation-list {
    max-height: 280px;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: auto minmax(0, 1fr) auto;
    height: var(--header);
    min-height: var(--header);
    padding: 0 8px;
    gap: 8px;
  }

  .brand {
    gap: 6px;
  }

  .brand small {
    display: none;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
  }

  .brand strong {
    font-size: 12px;
  }

  .top-nav {
    grid-column: auto;
    order: 0;
    width: 100%;
    padding: 2px;
  }

  .top-nav .nav-button {
    min-height: 28px;
    padding: 0 8px;
    font-size: 11px;
  }

  .header-actions .primary-button {
    min-height: 30px;
    padding: 5px 9px;
  }

  .app-rail {
    inset: auto 0 0 0;
    display: flex;
    flex-direction: row;
    width: auto;
    height: 58px;
    padding: 6px;
    overflow-x: auto;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .app-rail:hover,
  .app-rail:focus-within {
    width: auto;
  }

  .rail-button {
    grid-template-columns: 1fr;
    justify-items: center;
    min-width: 48px;
    width: 48px;
    min-height: 44px;
    padding: 0;
    border-left: 0;
    border-bottom: 3px solid transparent;
  }

  .rail-button strong {
    display: none;
  }

  .rail-button.is-active {
    border-bottom-color: var(--accent);
  }

  main,
  body[data-current-view="editor"] main {
    padding: 12px 12px 72px;
  }

  .suite-kpis,
  .stat-grid,
  .analysis-grid,
  .legal-summary-strip,
  .pca-variance-strip {
    grid-template-columns: 1fr 1fr;
  }

  .tool-card {
    grid-template-columns: 1fr;
  }

  .tool-output,
  .tool-meta {
    justify-self: start;
  }

  .document-row,
  .parallel-card,
  .affinity-dashboard,
  .editor-workspace {
    grid-template-columns: 1fr;
  }

  .editor-ribbon {
    grid-template-columns: 1fr;
    flex-wrap: wrap;
  }

  .editor-status-line {
    text-align: left;
  }

  .editor-workspace {
    height: auto;
  }

  .editor-document-stage {
    min-height: 70vh;
  }

  .editor-document-page {
    padding: 32px 24px;
    min-height: 720px;
  }

  .editor-annotation-list {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 560px) {
  .brand small {
    display: none;
  }

  .form-grid,
  .suite-kpis,
  .stat-grid,
  .analysis-grid,
  .legal-summary-strip,
  .pca-variance-strip {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: auto;
  }

  .home-command,
  .workspace-hero,
  .compare-page-header,
  .tool-page-header,
  .panel-heading,
  .result-heading,
  .run-row {
    display: grid;
  }
}