:root {
  --bg: #f6f6f8;
  --panel: #ffffff;
  --panel-alt: #f8fbfa;
  --line: rgba(15, 23, 42, 0.12);
  --text: #10212d;
  --muted: #5f6f7d;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.14);
  --danger: #991b1b;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  background: var(--bg);
}

.on-layout {
  height: 100vh;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  padding: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 0;
}

.on-sidebar {
  background: #f6f6f8;
  border-right: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
}

.on-brand {
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.on-brand-title {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.on-brand-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 1px;
}

.on-full { width: 100%; }

.on-nav {
  display: grid;
  gap: 8px;
}

.on-nav-section {
  display: grid;
  gap: 6px;
}

.on-nav-heading {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  padding: 0 6px;
}

.on-nav-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  padding: 8px;
  text-align: left;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 540;
}

.on-nav-item:hover {
  background: rgba(15, 23, 42, 0.06);
}

.on-nav-item.active {
  border-color: transparent;
  background: rgba(15, 23, 42, 0.08);
  color: #111827;
  font-weight: 600;
}

.on-side-note {
  margin-top: auto;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.on-main {
  min-width: 0;
  min-height: 0;
  display: grid;
}

.sources-view,
.chat-view,
.workspace-view,
.search-view,
.ingestion-view,
.settings-view,
.notebooks-view,
.models-view,
.transformations-view,
.advanced-view,
.podcasts-view,
.source-detail-view {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.sources-view {
  grid-template-rows: auto auto 1fr;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
}

.panel-title {
  font-weight: 700;
}

.panel-sub {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.panel-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.notebook-select {
  min-width: 180px;
}

.notebook-new {
  min-width: 190px;
}

.section {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 0;
  min-width: 0;
  padding: 10px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 13px;
  font-weight: 700;
}

.section-subtitle {
  margin-top: 10px;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.sources-layout {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(420px, 1.1fr);
  gap: 10px;
  min-height: 0;
  padding: 10px;
}

.sources-layout.single {
  grid-template-columns: 1fr;
}

.source-create-panel {
  margin: 10px;
  display: grid;
  grid-template-rows: auto auto auto;
}

.notebook-grid,
.models-layout,
.transformations-layout,
.advanced-layout,
.podcasts-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  min-height: 0;
  padding: 10px;
  overflow: auto;
}

.notebook-card {
  display: grid;
  gap: 8px;
}

.notebook-card.active {
  border-color: rgba(14, 165, 166, 0.5);
  background: rgba(15, 118, 110, 0.08);
}

.notebook-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.notebook-meta {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.source-detail-layout {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  gap: 10px;
  padding: 10px;
}

.source-detail-tabs {
  margin: 0;
}

.source-detail-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-alt);
  padding: 10px;
  min-height: 0;
  overflow: auto;
  display: grid;
  gap: 10px;
}

.source-content-scroll {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px;
  min-height: 280px;
  max-height: min(68vh, 900px);
  overflow: auto;
}

.source-content-body {
  font-size: 13px;
  line-height: 1.6;
}

.source-detail-meta {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
}

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

.source-chat-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 10px;
  min-height: 0;
}

.source-chat-sessions {
  grid-template-rows: auto auto auto 1fr;
}

.source-chat-main {
  grid-template-rows: auto auto 1fr auto auto;
}

.source-chat-model {
  min-width: 220px;
}

.source-chat-messages {
  min-height: 240px;
}

.source-chat-indicators {
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.on-source-list-page {
  grid-template-rows: auto auto 1fr;
  background: #f6f6f8;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.on-source-list-header {
  padding: 16px 18px;
}

.on-source-page-title {
  font-size: 40px;
  line-height: 1.05;
  font-weight: 760;
}

.on-source-list-actions {
  gap: 10px;
}

.on-source-search {
  min-width: 260px;
  max-width: 380px;
}

.on-source-create-panel {
  margin: 12px 14px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.on-source-page-notice {
  margin: 10px 14px 0;
}

.source-browser-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(440px, 1.28fr);
  gap: 14px;
  min-height: 0;
  padding: 14px;
}

.source-browser-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
  min-height: 0;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.source-browser-list-card {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.source-browser-preview-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.source-browser-toolbar,
.source-browser-list-head,
.source-browser-preview-head,
.source-browser-preview-footer {
  padding: 14px 16px;
}

.source-browser-toolbar,
.source-browser-list-head,
.source-browser-preview-head {
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.source-browser-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  background: #fbfcfd;
}

.source-browser-toolbar-main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}

.source-browser-scroll,
.source-browser-preview-body {
  min-height: 0;
  overflow: auto;
}

.source-browser-scroll {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 12px;
  background:
    linear-gradient(180deg, rgba(248, 251, 250, 0.75), rgba(255, 255, 255, 0.96)),
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.05), transparent 42%);
}

.source-browser-row {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: #ffffff;
  padding: 14px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease, transform 0.14s ease, box-shadow 0.14s ease;
  color: var(--text);
  font-family: var(--font-sans);
}

.source-browser-row:hover {
  border-color: rgba(15, 118, 110, 0.24);
  background: rgba(15, 118, 110, 0.04);
  transform: translateY(-1px);
}

.source-browser-row.active {
  border-color: rgba(15, 118, 110, 0.38);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.11), rgba(14, 165, 166, 0.07));
  box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.08);
}

.source-browser-row:focus-visible {
  outline: 2px solid rgba(37, 99, 235, 0.34);
  outline-offset: 2px;
}

.source-browser-row-head,
.source-browser-row-meta,
.source-browser-badges,
.source-browser-audit-meta,
.source-browser-audit-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.source-browser-row-head {
  justify-content: space-between;
}

.source-browser-row-title,
.source-browser-preview-title {
  font-family: var(--font-serif);
  font-weight: 650;
  line-height: 1.2;
}

.source-browser-row-title {
  font-size: 16px;
}

.source-browser-row-path,
.source-browser-preview-path {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  word-break: break-word;
}

.source-browser-row-meta {
  color: #4b5563;
  font-size: 12px;
}

.source-browser-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background:
    linear-gradient(180deg, rgba(248, 251, 250, 0.96), rgba(255, 255, 255, 0.98)),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 46%);
}

.source-browser-breadcrumb {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  margin-bottom: 8px;
}

.source-browser-preview-title {
  font-size: 28px;
  margin-bottom: 6px;
}

.source-browser-preview-body {
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.source-browser-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.source-browser-stat {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: #fbfcfd;
  padding: 12px;
}

.source-browser-stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.72px;
  color: var(--muted);
}

.source-browser-stat-value {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 640;
  color: var(--text);
}

.source-browser-audit {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.source-browser-audit-warning {
  background: rgba(251, 191, 36, 0.08);
}

.source-browser-audit-error {
  background: rgba(239, 68, 68, 0.08);
}

.source-browser-audit-ok {
  background: rgba(15, 118, 110, 0.06);
}

.source-browser-audit-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.source-browser-audit-title {
  font-size: 13px;
  font-weight: 700;
}

.source-browser-audit-badge {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  padding: 4px 9px;
  background: rgba(255, 255, 255, 0.82);
  font-size: 11px;
  font-weight: 600;
  color: #334155;
}

.source-browser-table-card,
.source-browser-excerpt-card {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: #ffffff;
  padding: 12px;
}

.source-browser-table-head {
  margin-bottom: 10px;
}

.source-browser-excerpt {
  margin: 10px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #163041;
  background: #f8fbfa;
  border-radius: 12px;
  padding: 12px;
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.source-browser-preview-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  background: #fbfcfd;
}

.source-browser-empty {
  margin: 0;
}

.on-source-nav-bar {
  margin: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.on-source-nav-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}

.on-source-focused-label {
  max-width: min(42vw, 440px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.on-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: #ffffff;
  color: #334155;
  font-size: 12px;
  font-weight: 650;
}

.on-status-chip.loading {
  border-color: rgba(37, 99, 235, 0.22);
  background: rgba(37, 99, 235, 0.08);
  color: #1d4ed8;
}

.on-inline-status {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(37, 99, 235, 0.05);
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 650;
}

.on-source-table-card {
  margin: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
}

.on-source-table-scroll {
  min-height: 0;
  overflow: auto;
  max-height: min(70vh, 980px);
}

.on-source-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.on-source-table thead th {
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  font-weight: 650;
  padding: 12px 12px;
  border-bottom: 1px solid var(--line);
  background: #fafafc;
  position: sticky;
  top: 0;
  z-index: 3;
}

.on-source-table tbody td {
  padding: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  vertical-align: top;
  font-size: 13px;
}

.on-source-table tbody tr {
  cursor: pointer;
}

.on-source-table tbody tr:hover {
  background: rgba(15, 23, 42, 0.03);
}

.on-source-table tbody tr.active {
  background: rgba(15, 118, 110, 0.08);
}

.on-source-table tbody tr:focus-visible {
  outline: 2px solid rgba(37, 99, 235, 0.38);
  outline-offset: -2px;
}

.on-type-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 620;
  color: #374151;
  padding: 2px 8px;
  background: #f5f6f8;
}

.on-source-title-btn {
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
}

.on-source-title-btn:hover {
  text-decoration: underline;
}

.on-source-path {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  max-width: 720px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.on-embed-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 620;
  padding: 2px 8px;
}

.on-embed-pill.yes {
  color: #0f766e;
  border: 1px solid rgba(15, 118, 110, 0.3);
  background: rgba(15, 118, 110, 0.12);
}

.on-embed-pill.no {
  color: #4b5563;
  border: 1px solid var(--line);
  background: #f3f4f6;
}

.on-source-row-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.on-source-table-empty {
  margin: 8px 0;
}

.on-source-list-pager {
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.on-source-detail-page {
  background: #f6f6f8;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.on-source-detail-grid {
  display: grid;
  grid-template-columns: minmax(640px, 1fr) minmax(360px, 420px);
  gap: 14px;
  min-height: 0;
  padding: 12px;
}

.on-source-detail-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 10px;
}

.on-source-back {
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  padding: 2px 0;
}

.on-source-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.on-source-title {
  font-size: 38px;
  line-height: 1.08;
  font-weight: 760;
  word-break: break-word;
}

.on-source-id {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.on-source-nav-caption {
  margin-top: 6px;
  color: #475569;
  font-size: 12px;
}

.on-source-head-actions {
  justify-content: flex-end;
  gap: 6px;
}

.on-source-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 3px;
  background: #ececf1;
}

.on-source-tab {
  border: 0;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 650;
  color: #6b7280;
  background: transparent;
  cursor: pointer;
}

.on-source-tab.active {
  background: #fff;
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.on-source-pane {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
  min-height: 0;
  display: grid;
  gap: 10px;
  overflow: auto;
}

.on-source-content-scroll {
  border-radius: 10px;
  max-height: min(72vh, 980px);
}

.on-source-pdf-content {
  display: grid;
  gap: 10px;
}

.on-source-pdf-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.on-source-pdf-hint {
  flex: 1 1 260px;
}

.on-source-pdf-overlay {
  position: fixed;
  inset: 0;
  z-index: 2200;
  background: rgba(15, 23, 42, 0.58);
  display: grid;
  place-items: center;
  padding: 20px;
}

.on-source-pdf-modal {
  width: min(96vw, 1280px);
  height: min(92vh, 960px);
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.28);
  border: 1px solid rgba(15, 23, 42, 0.12);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.on-source-pdf-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  background: #f8fafc;
}

.on-source-pdf-modal-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.on-source-extracted-fallback {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fafb;
  padding: 10px;
}

.on-source-extracted-fallback > summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
  color: #374151;
}

.on-insight-summary-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fafb;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.on-insight-summary-title {
  font-size: 13px;
  font-weight: 700;
}

.on-insight-summary-body {
  font-size: 13px;
  line-height: 1.55;
}

.on-insight-keypoints {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding-top: 8px;
  display: grid;
  gap: 6px;
}

.on-insight-keypoints-title {
  font-size: 12px;
  font-weight: 700;
  color: #4b5563;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.on-insight-keypoints-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
  font-size: 13px;
}

.on-tabular-preview-wrap {
  display: grid;
  gap: 10px;
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: 2px;
}

.on-tabular-sheet-title {
  font-size: 13px;
  font-weight: 650;
}

.on-tabular-preview-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  background: #fff;
}

.on-tabular-preview-table th,
.on-tabular-preview-table td {
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  min-width: 120px;
  max-width: 320px;
}

.on-tabular-preview-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f3f4f6;
  font-weight: 700;
}

.on-tabular-preview-table tbody tr:nth-child(even) td {
  background: rgba(15, 23, 42, 0.02);
}

.on-tabular-preview-note {
  margin-top: 2px;
}

.on-document-tables-wrap {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.on-document-tables-title {
  font-size: 13px;
  font-weight: 700;
}

.on-document-table-card {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 10px;
  background: #f9fafb;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.on-document-table-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.on-document-table-name {
  font-size: 13px;
  font-weight: 650;
}

.on-content-audit {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 12px;
  padding: 10px 12px;
  background: #f8fafc;
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.on-content-audit-warning {
  border-color: rgba(180, 83, 9, 0.28);
  background: #fffaf0;
}

.on-content-audit-error {
  border-color: rgba(185, 28, 28, 0.24);
  background: #fff5f5;
}

.on-content-audit-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.on-content-audit-title {
  font-size: 13px;
  font-weight: 700;
}

.on-content-audit-status {
  font-size: 12px;
  color: var(--muted);
}

.on-content-audit-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #475569;
}

.on-content-audit-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.on-content-audit-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.9);
  color: #334155;
}

.on-source-callout {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fafb;
  padding: 10px 12px;
  display: grid;
  gap: 6px;
}

.on-source-detail-section {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding-top: 10px;
}

.on-source-file-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.on-insight-count-pill {
  min-width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #374151;
  background: #f3f4f6;
}

.on-insight-create-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fafb;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.on-insight-create-title {
  font-size: 13px;
  font-weight: 650;
}

.on-insight-create-row {
  display: grid;
  grid-template-columns: 1fr 220px auto;
  gap: 8px;
  align-items: center;
}

.on-source-insight-list {
  max-height: 280px;
}

.on-source-chat-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-self: start;
  position: sticky;
  top: 16px;
  height: min(calc(100vh - 108px), 860px);
  overflow: hidden;
}

.on-source-chat-head {
  border-bottom: 1px solid var(--line);
  padding: 14px 14px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.on-source-chat-feed {
  margin: 0;
  min-height: 0;
  background: #f9fafb;
  padding: 12px;
  overflow: auto;
}

.on-source-chat-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  flex-wrap: wrap;
}

.on-source-chat-empty {
  height: 100%;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  gap: 6px;
  color: var(--muted);
  padding: 20px;
}

.on-source-chat-footer {
  border-top: 1px solid var(--line);
  padding: 10px;
  display: grid;
  gap: 8px;
  background: #fff;
}

.on-source-chat-model-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.on-source-chat-compose {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.on-source-send-btn {
  width: 42px;
  padding: 0;
}

.on-source-sessions-btn {
  min-width: 86px;
}

.on-source-session-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.12);
  display: grid;
  place-items: start end;
  z-index: 1200;
  padding: 84px 24px 24px;
}

.on-source-session-modal {
  width: min(420px, calc(100vw - 24px));
  max-height: calc(100vh - 128px);
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.22);
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
}

.on-source-session-head {
  border-bottom: 1px solid var(--line);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.on-source-session-head-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.on-source-session-head-btn {
  width: 30px;
  min-width: 30px;
  height: 30px;
  padding: 0;
}

.on-source-session-create {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
  display: grid;
  gap: 8px;
}

.on-source-session-create-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.on-source-session-list {
  overflow: auto;
  padding: 10px 12px 12px;
  display: grid;
  gap: 8px;
  min-height: 0;
}

.on-source-session-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 10px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
}

.on-source-session-row:hover {
  border-color: rgba(37, 99, 235, 0.38);
  background: #f8fbff;
}

.on-source-session-row.active {
  border-color: rgba(37, 99, 235, 0.65);
  background: rgba(37, 99, 235, 0.1);
}

.on-source-session-row-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.on-source-session-row-title {
  font-size: 14px;
  font-weight: 650;
  color: #0f172a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.on-source-session-row-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.on-source-session-empty {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #f8fafc;
}

.transformation-row {
  align-items: flex-start;
}

.form-grid {
  display: grid;
  gap: 8px;
}

.list-table {
  display: grid;
  gap: 6px;
  min-height: 0;
  overflow: auto;
}

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 8px 10px;
}

.empty-state {
  margin: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 16px;
  display: grid;
  gap: 6px;
}

.ask-search-layout {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 10px;
  min-height: 0;
  padding: 10px;
}

.ask-search-tabs {
  display: flex;
  gap: 8px;
}

.ask-panel,
.search-panel {
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  min-height: 0;
  display: grid;
  gap: 10px;
}

.ask-box {
  width: 100%;
  min-height: 110px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
  font-family: var(--font-sans);
  resize: vertical;
}

.ask-answer {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px;
  min-height: 120px;
  min-width: 0;
  overflow: auto;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-wrap;
}

.ask-panel .ask-answer {
  max-height: min(62vh, 720px);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1fr) minmax(520px, 1.45fr);
  gap: 10px;
  min-height: 0;
  padding: 10px;
}

.workspace-grid.focus-chat,
.workspace-grid.focus-sources,
.workspace-grid.focus-notes {
  grid-template-columns: minmax(0, 1fr);
}

.workspace-grid.focus-chat .workspace-sources,
.workspace-grid.focus-chat .workspace-notes {
  display: none;
}

.workspace-grid.focus-sources .workspace-notes,
.workspace-grid.focus-sources .workspace-chat {
  display: none;
}

.workspace-grid.focus-notes .workspace-sources,
.workspace-grid.focus-notes .workspace-chat {
  display: none;
}

.chat-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(460px, 1fr) minmax(280px, 340px);
  gap: 10px;
  min-height: 0;
  padding: 10px;
}

.workspace-col {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 0;
}

.workspace-sources {
  grid-template-rows: auto auto 1fr auto minmax(180px, 0.95fr);
}

.workspace-notes {
  grid-template-rows: auto auto auto auto auto 1fr;
}

.workspace-preview {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
  min-height: 0;
  overflow: auto;
}

.workspace-chat {
  grid-template-rows: auto auto 1fr auto auto;
}

.workspace-chat-head {
  margin-bottom: 0;
}

.workspace-chat-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.workspace-messages {
  margin-top: 8px;
}

.workspace-evidence {
  max-height: 200px;
}

.workspace-inline-hint {
  margin-top: 8px;
}

.workspace-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.workspace-session-strip {
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) minmax(220px, 1.1fr) auto;
  gap: 8px;
  margin-top: 8px;
}

.workspace-session-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.workspace-session-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.workspace-chat-empty {
  margin: 0;
}

.context-inline-error {
  margin-top: 6px;
  color: var(--danger);
}

.scope-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.workspace-focus-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.active-pill {
  border-color: rgba(15, 118, 110, 0.38) !important;
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
}

.session-toolbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 8px;
  margin-top: 8px;
}

.session-toolbar.session-toolbar-advanced {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.session-select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(15, 23, 42, 0.5) 50%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.5) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 30px;
}

.notes-list {
  overflow: auto;
  min-height: 0;
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.note-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.note-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  padding: 10px;
}

.note-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}

.note-title {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
}

.note-body {
  font-size: 12px;
  line-height: 1.48;
  color: var(--text);
  white-space: pre-wrap;
}

.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  background: #fff;
  font-size: 12px;
}

.detail-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.tab-btn {
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.04);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.tab-btn.active {
  border-color: rgba(15, 118, 110, 0.35);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.insights-panel {
  display: grid;
  gap: 8px;
}

.insight-lifecycle-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(0, 1fr);
  gap: 10px;
  min-height: 0;
}

.insight-summary {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  padding: 10px;
  font-size: 12px;
  line-height: 1.48;
}

.insight-list {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.45;
}

.ingestion-layout,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  min-height: 0;
  padding: 10px;
}

.input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  font-family: var(--font-sans);
}

textarea {
  min-height: 46px;
  max-height: 200px;
  resize: vertical;
}

.input:focus,
textarea:focus {
  border-color: rgba(15, 118, 110, 0.45);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.btn {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.04);
  color: var(--text);
  padding: 10px 12px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  font-family: var(--font-sans);
}

.btn:hover { transform: translateY(-1px); background: rgba(15, 23, 42, 0.08); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.96), rgba(14, 165, 166, 0.84));
  border-color: rgba(15, 118, 110, 0.5);
  color: #ffffff;
}

.btn-ghost { background: transparent; }
.btn-small { padding: 6px 8px; font-size: 12px; }
.btn.danger {
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.08);
}

.pill {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--accent);
  border: 1px solid rgba(15, 118, 110, 0.35);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 10px;
}

.doc-table,
.session-list,
.chunk-list,
.messages {
  overflow: auto;
  min-height: 0;
}

.doc-table {
  display: grid;
  gap: 6px;
}

.doc-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) minmax(120px, auto) auto;
  gap: 8px;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 8px;
  background: #fff;
}

.doc-row:hover {
  background: rgba(15, 118, 110, 0.08);
}

.doc-row.selected {
  border-color: rgba(15, 118, 110, 0.34);
  background: rgba(15, 118, 110, 0.12);
}

.doc-row.active {
  border-color: rgba(14, 165, 166, 0.56);
}

.doc-row.compact {
  grid-template-columns: 18px minmax(0, 1fr);
  padding: 7px;
}

.doc-main {
  border: 0;
  padding: 0;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.doc-name {
  font-size: 13px;
  font-weight: 640;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-path {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-status {
  font-size: 11px;
  color: var(--muted);
  text-transform: lowercase;
}

.source-mode-select {
  min-width: 90px;
  width: 90px;
  padding: 6px 22px 6px 8px;
  font-size: 11px;
  border-radius: 10px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  font-size: 12px;
}

.detail-path {
  margin-top: 8px;
  margin-bottom: 8px;
}

.notice {
  margin-top: 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f5f8f7;
  padding: 8px 10px;
  font-size: 12px;
}

.notice.error {
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.35);
  background: var(--danger-soft);
}

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

.chunk-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.9);
  text-align: left;
}

.chunk-card.compact { padding: 7px 8px; }

.chunk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 5px;
}

.chunk-text {
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.session-list {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.session-item {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 9px 10px;
  text-align: left;
  cursor: pointer;
  background: transparent;
  font-family: var(--font-sans);
}

.session-item:hover { background: rgba(15, 118, 110, 0.08); }
.session-item.active {
  background: var(--accent-soft);
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--accent);
  font-weight: 600;
}

.chat-main {
  grid-template-rows: auto 1fr auto;
}

.messages {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.05), #ffffff 140px);
}

.msg {
  display: flex;
  margin-bottom: 10px;
}

.msg.user { justify-content: flex-end; }
.msg.assistant { justify-content: flex-start; }

.msg-stack {
  display: grid;
  gap: 4px;
}

.bubble {
  max-width: 920px;
  min-width: 0;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  background: #fff;
  line-height: 1.5;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.msg.assistant .bubble { font-family: var(--font-serif); }
.msg.user .bubble {
  background: rgba(15, 118, 110, 0.14);
  border-color: rgba(15, 118, 110, 0.35);
  font-family: var(--font-sans);
}

.msg-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.msg.assistant .msg-actions { justify-content: flex-start; }
.msg.user .msg-actions { justify-content: flex-end; }

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 8px;
}

.row-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.9);
  margin-bottom: 6px;
  min-width: 0;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px dashed rgba(15, 23, 42, 0.08);
  font-size: 12px;
}

.json-block {
  white-space: pre-wrap;
  font-size: 12px;
  line-height: 1.4;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f9fbfa;
  padding: 8px;
  overflow: auto;
  max-height: 300px;
}

.markdown-body,
.source-full,
.cite-tooltip-body,
.chunk-text,
.note-body {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.markdown-body pre,
.bubble pre,
.source-full pre {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
  overflow: auto;
}

.markdown-body code,
.bubble code {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.markdown-table-wrap {
  max-width: 100%;
  overflow: auto;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: #fff;
  margin: 12px 0;
}

.markdown-body table {
  display: table;
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 7px 9px;
  text-align: left;
  vertical-align: top;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  min-width: 120px;
  max-width: 360px;
}

.markdown-body th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
}

.markdown-body tbody tr:nth-child(even) td {
  background: rgba(15, 23, 42, 0.02);
}

.markdown-body img {
  max-width: 100%;
  height: auto;
}

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

.structured h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--muted);
  margin: 8px 0 5px;
}

.structured p { margin: 0.25rem 0; }
.structured ul { margin: 0.25rem 0 0.25rem 1.1rem; }

.cite {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 999px;
  margin-left: 4px;
  vertical-align: super;
  color: #0b3b36;
  border: 1px solid rgba(15, 118, 110, 0.35);
  background: rgba(15, 118, 110, 0.16);
  cursor: help;
}

.cite-tooltip {
  position: fixed;
  transform: translate(-10px, -110%);
  width: min(540px, calc(100vw - 24px));
  max-height: 320px;
  overflow: auto;
  z-index: 9999;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.15);
}

.cite-tooltip-title {
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  font-size: 12px;
}

.cite-tooltip-body {
  font-size: 12px;
  color: var(--text);
  white-space: pre-wrap;
}

.source-drawer {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: min(560px, calc(100vw - 30px));
  max-height: 48vh;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto 1fr;
  z-index: 9998;
}

.source-drawer-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.source-drawer-title { font-weight: 700; }

.source-drawer-body {
  padding: 10px 12px;
  overflow: auto;
}

.source-full {
  margin-top: 8px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f8fbfa;
  padding: 10px;
  white-space: pre-wrap;
}

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

@media (max-width: 1280px) {
  .workspace-grid {
    grid-template-columns: minmax(260px, 1fr) minmax(300px, 1fr);
  }
  .workspace-grid > .workspace-chat {
    grid-column: 1 / -1;
    min-height: 360px;
  }
  .session-toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .session-toolbar.session-toolbar-advanced {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .chat-layout {
    grid-template-columns: minmax(220px, 250px) 1fr;
  }
  .chat-layout > .panel.section:last-child {
    grid-column: 1 / -1;
    min-height: 220px;
  }
  .ingestion-layout,
  .settings-grid,
  .sources-layout,
  .notebook-grid,
  .models-layout,
  .transformations-layout,
  .advanced-layout,
  .podcasts-layout {
    grid-template-columns: 1fr;
  }
  .insight-lifecycle-grid {
    grid-template-columns: 1fr;
  }
  .source-chat-layout {
    grid-template-columns: 1fr;
  }
  .on-source-detail-grid {
    grid-template-columns: 1fr;
  }
  .source-browser-layout {
    grid-template-columns: 1fr;
  }
  .source-browser-preview-card {
    min-height: 520px;
  }
  .source-browser-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .on-source-chat-card {
    position: static;
    top: auto;
    height: auto;
    min-height: 520px;
  }
  .on-source-chat-model-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  .on-source-pdf-overlay {
    padding: 12px;
  }
  .on-source-pdf-modal {
    width: min(100vw, 960px);
    height: min(88vh, 840px);
  }
  .on-source-session-overlay {
    place-items: center;
    padding: 16px;
    background: rgba(17, 24, 39, 0.24);
  }
  .on-source-session-modal {
    width: min(420px, calc(100vw - 24px));
    max-height: min(76vh, 720px);
  }
  .on-source-title {
    font-size: 30px;
  }
  .on-insight-create-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .on-layout {
    grid-template-columns: 1fr;
    padding: 10px;
  }
  .on-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }
  .on-brand {
    width: 100%;
    border-bottom: 0;
    padding-bottom: 0;
  }
  .on-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .on-side-note {
    width: 100%;
    margin-top: 4px;
    border-top: 0;
    padding-top: 0;
  }
  .chat-layout {
    grid-template-columns: 1fr;
  }
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  .source-detail-meta {
    grid-template-columns: 1fr;
  }
  .session-toolbar {
    grid-template-columns: 1fr;
  }
  .session-toolbar.session-toolbar-advanced,
  .workspace-session-strip,
  .source-browser-stat-grid {
    grid-template-columns: 1fr;
  }
  .source-drawer {
    right: 10px;
    bottom: 10px;
  }
  .on-source-page-title {
    font-size: 28px;
  }
  .on-source-title {
    font-size: 24px;
  }
  .on-source-list-actions {
    width: 100%;
    justify-content: flex-start;
  }
  .on-source-nav-bar {
    margin: 0 14px;
    align-items: flex-start;
  }
  .source-browser-toolbar,
  .source-browser-preview-head,
  .source-browser-preview-footer,
  .workspace-session-summary {
    align-items: flex-start;
  }
  .source-browser-preview-head,
  .source-browser-preview-footer {
    flex-direction: column;
  }
  .on-source-search {
    min-width: 0;
  }
  .on-source-table-card {
    overflow: hidden;
  }
  .on-source-table {
    min-width: 760px;
  }
  .on-source-table-scroll {
    overflow: auto;
  }
  .on-source-pdf-overlay {
    padding: 0;
  }
  .on-source-pdf-modal {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }
  .on-source-pdf-modal-head {
    align-items: flex-start;
  }
  .on-source-chat-statusbar,
  .workspace-status-row {
    align-items: flex-start;
  }
}