:root {
  --bg: #f3f4f6;
  --bg-elevated: #f7f8fa;
  --sidebar-bg: #f6f7f9;
  --panel: #ffffff;
  --panel-muted: #f8f9fb;
  --panel-soft: #fcfcfd;
  --ink: #1f2937;
  --ink-soft: #4b5563;
  --ink-faint: #6b7280;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --brand: #111827;
  --brand-soft: #374151;
  --brand-contrast: #ffffff;
  --accent: #eef2f7;
  --success: #166534;
  --warning: #b45309;
  --danger: #b91c1c;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 18px 42px rgba(15, 23, 42, 0.08);
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #f8f9fb 0%, var(--bg) 100%);
}

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

button {
  cursor: pointer;
}

textarea {
  resize: vertical;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.admin-root {
  min-height: 100vh;
  overflow-x: auto;
}

.login-screen {
  padding: 24px;
}

.login-hero {
  min-height: calc(100vh - 48px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 440px);
  gap: 24px;
  align-items: stretch;
}

.login-copy,
.login-panel,
.surface-card,
.metric-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
}

.login-copy {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.login-copy h1,
.topbar h1,
.sidebar-brand h2,
.surface-card h2,
.login-panel h2 {
  margin: 0;
  font-weight: 600;
}

.login-copy h1 {
  margin-top: 16px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.04;
  max-width: 700px;
}

.login-copy p {
  margin: 18px 0 0;
  max-width: 680px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.login-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.point-card {
  padding: 16px;
  border-radius: 18px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.point-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

.point-card span {
  display: block;
  color: var(--ink-soft);
  line-height: 1.62;
  font-size: 13px;
}

.login-panel {
  padding: 28px;
  align-self: center;
}

.panel-badge {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: #eef2f7;
  color: var(--brand-soft);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.login-panel h2 {
  margin-top: 14px;
  font-size: 28px;
}

.panel-copy {
  margin: 10px 0 20px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.form-stack,
.form-grid {
  display: grid;
  gap: 12px;
}

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

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

label,
.block-label {
  display: grid;
  gap: 7px;
}

label span,
.block-label span {
  font-size: 12px;
  color: var(--ink-faint);
}

input,
textarea,
select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  padding: 11px 13px;
  min-height: 42px;
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--line-strong);
}

input:focus,
textarea:focus,
select:focus {
  border-color: #94a3b8;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.16);
}

textarea {
  min-height: 108px;
}

.primary-btn,
.ghost-btn,
.nav-item {
  border-radius: 12px;
  border: 1px solid transparent;
  min-height: 40px;
  padding: 0 14px;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.primary-btn:hover,
.ghost-btn:hover,
.nav-item:hover {
  transform: translateY(-1px);
}

.primary-btn {
  background: #0f172a;
  color: #fff;
  border-color: #0f172a;
  box-shadow: none;
}

.primary-btn:hover {
  background: #111827;
  border-color: #111827;
}

.ghost-btn {
  background: #fff;
  color: #0f172a;
  border-color: #d7dce4;
}

.ghost-btn:hover {
  background: #f8fafc;
  border-color: #c7ced9;
}

.wide {
  width: 100%;
}

.inline-message,
.page-banner {
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.5;
}

.inline-message,
.page-banner {
  background: #f5f7fb;
  color: #334155;
  border: 1px solid #e4e8ef;
}

.page-banner {
  margin-top: 10px;
}

.inline-message.warn,
.page-banner.warn {
  background: #fff7ed;
  color: var(--warning);
  border-color: #fed7aa;
}

.inline-message.danger,
.page-banner.danger {
  background: #fef2f2;
  color: var(--danger);
  border-color: #fecaca;
}

.inline-message.success,
.page-banner.success {
  background: #f0fdf4;
  color: var(--success);
  border-color: #bbf7d0;
}

.console-screen {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 100vh;
  min-width: 1120px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 42%),
    linear-gradient(180deg, #f6f7fa 0%, #eef2f6 100%);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 14px 12px 12px;
  border-right: 1px solid rgba(15, 23, 42, 0.05);
  background: linear-gradient(180deg, #fcfdff 0%, #f2f5f8 100%);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 12px;
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.75);
}

.sidebar-brand {
  position: relative;
  overflow: hidden;
  padding: 14px 14px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: none;
}

.sidebar-brand::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: rgba(148, 163, 184, 0.16);
}

.sidebar-brand .eyebrow {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: #7c8798;
}

.sidebar-brand h2 {
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.sidebar-brand p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 10px;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
  align-content: start;
  overflow: auto;
  padding-right: 4px;
  margin-right: -4px;
}

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

.nav-group {
  display: grid;
  gap: 3px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.nav-group:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.nav-group-children {
  display: none;
  gap: 4px;
  padding-left: 8px;
  margin-left: 8px;
  border-left: 1px solid rgba(148, 163, 184, 0.12);
}

.nav-group-children.is-open {
  display: grid;
}

.nav-item {
  position: relative;
  width: 100%;
  text-align: left;
  padding: 9px 10px;
  min-height: auto;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  display: grid;
  gap: 0;
  box-shadow: none;
  transition: background 120ms ease, border-color 120ms ease;
}

.nav-item strong {
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
  letter-spacing: -0.01em;
}

.nav-item span {
  display: none;
}

.nav-item:hover {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(100, 116, 139, 0.12);
  box-shadow: none;
  transform: none;
}

.nav-item--group {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
}

.nav-item--group strong {
  font-size: 13px;
}

.nav-item--group::before {
  content: none;
}

.nav-item--group strong,
.nav-item--group span,
.nav-item--group .nav-arrow {
  position: relative;
  z-index: 1;
}

.nav-item--child {
  padding: 8px 10px 8px 12px;
  background: transparent;
}

.nav-item--child strong {
  font-size: 12px;
}

.nav-item--child span {
  display: none;
}

.nav-item--child::before,
.nav-item--leaf::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
}

.nav-item--leaf {
  padding: 8px 10px 8px 12px;
  background: transparent;
}

.nav-item--leaf strong {
  font-size: 12px;
}

.nav-item--leaf span {
  display: none;
}

.nav-arrow {
  font-style: normal;
  color: #94a3b8;
  font-size: 12px;
  transition: transform 140ms ease, color 140ms ease;
}

.nav-group.is-open .nav-arrow {
  transform: rotate(180deg);
}

.nav-item.is-active {
  background: #0f172a;
  border-color: #0f172a;
  box-shadow: none;
  transform: none;
}

.nav-item.is-active strong,
.nav-item.is-active span,
.nav-item.is-active .nav-arrow {
  color: #f8fafc;
}

.nav-item.is-active::before {
  background: rgba(248, 250, 252, 0.45);
}

.nav-item--child.is-active,
.nav-item--leaf.is-active {
  box-shadow: none;
}

.sidebar-foot {
  display: grid;
  gap: 10px;
}

.sidebar-meta {
  display: grid;
  gap: 4px;
  padding: 11px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.sidebar-meta span:first-child {
  font-weight: 600;
  font-size: 13px;
}

.sidebar-meta span:last-child {
  color: var(--ink-faint);
  font-size: 12px;
}

.workspace {
  padding: 10px 14px 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 50px;
  padding: 8px 12px;
  border: 1px solid #e4e8ef;
  border-radius: 10px;
  background: #eef0f5;
  box-shadow: none;
}

.topbar-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.topbar-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.topbar h1 {
  font-size: 18px;
  line-height: 1.2;
}

.topbar-copy {
  margin: 0;
  max-width: 760px;
  color: #6b7280;
  line-height: 1.4;
  font-size: 11px;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.auth-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--panel-muted);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.workspace-main {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.workspace-main--ledger {
  padding: 0;
}

.documents-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.documents-rail {
  position: sticky;
  top: 16px;
}

.documents-rail-head {
  margin-bottom: 10px;
}

.doc-subnav {
  display: grid;
  gap: 8px;
}

.doc-subnav-item {
  text-align: left;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  display: grid;
  gap: 4px;
}

.doc-subnav-item strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.doc-subnav-item span {
  font-size: 11px;
  color: var(--ink-faint);
  line-height: 1.45;
}

.doc-subnav-item:hover {
  border-color: var(--line-strong);
  background: #fff;
}

.doc-subnav-item.is-active {
  border-color: #cbd5e1;
  background: #f8fafc;
  box-shadow: inset 0 0 0 1px rgba(203, 213, 225, 0.45);
}

.doc-subnav-item.is-active strong,
.doc-subnav-item.is-active span {
  color: var(--brand);
}

.doc-workspace {
  display: grid;
  gap: 14px;
}

.doc-view-section {
  display: none;
}

.doc-view-section.is-active {
  display: block;
}

.doc-stage-card {
  min-height: 100%;
}

.view-section {
  display: none;
}

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

.panel-stack {
  display: grid;
  gap: 10px;
}

.panel-stack--analytics {
  grid-template-columns: minmax(0, 1fr);
}

.panel-stack--config {
  grid-template-columns: minmax(0, 1fr);
}

.summary-grid,
.panel-grid,
.model-grid,
.info-grid {
  display: grid;
  gap: 10px;
}

.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 10px;
}

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

.panel-grid > .surface-card:only-child,
.panel-grid > .surface-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.panel-grid-overview {
  grid-template-columns: 1.2fr 0.8fr;
}

.panel-grid-overview .surface-card:first-child {
  grid-row: span 2;
}

.metric-card {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #e4e8ef;
  background: #fff;
  box-shadow: none;
}

.metric-label,
.metric-foot {
  display: block;
}

.metric-label {
  color: var(--ink-faint);
  font-size: 12px;
}

.metric-card strong {
  display: block;
  margin: 10px 0 6px;
  font-size: clamp(24px, 2.2vw, 32px);
  line-height: 1;
}

.metric-foot {
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.5;
}

.surface-card {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #e4e8ef;
  background: #fff;
  box-shadow: none;
}

.panda-toolbar-card {
  background: #f4f6fa;
  border-color: #dde3ec;
}

.panda-toolbar-card .section-head {
  align-items: center;
  margin-bottom: 0;
}

.panda-list-card,
.panda-config-card,
.panda-config-meta-card,
.qa-card--flat {
  border-color: #e5e9f0;
  background: #fbfcfe;
}

.panda-list-card .table-shell,
.panda-config-card .table-shell,
.qa-card--flat .qa-result {
  border-color: #e6ebf2;
  border-radius: 8px;
}

.panda-list-card--main .table-shell {
  min-height: 420px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 16px;
  line-height: 1.3;
}

.section-head p {
  margin: 4px 0 0;
  color: #6b7280;
  line-height: 1.45;
  font-size: 12px;
}

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

.inline-control {
  display: grid;
  gap: 6px;
  min-width: 150px;
  color: var(--ink-faint);
  font-size: 12px;
}

.panda-toolbar-card .inline-control {
  min-width: 180px;
}

.inline-control span {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.table-shell {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #e5e9f0;
  border-radius: 10px;
  background: #fff;
}

#analyticsView .table-shell {
  border-radius: 8px;
  border-color: #e4e8ef;
  background: #fff;
}

.table-shell > table {
  width: max-content;
  min-width: 100%;
}

#usersView .table-shell > table {
  min-width: 980px;
}

#analyticsView .table-shell > table {
  min-width: 1200px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid #edf1f6;
  text-align: left;
  vertical-align: top;
}

#analyticsView th,
#analyticsView td {
  padding: 10px 12px;
}

th {
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: #64748b;
  background: #f6f8fb;
}

#analyticsView th {
  background: #f4f6fb;
  color: #4b5563;
}

td {
  font-size: 13px;
  line-height: 1.5;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr.selectable {
  cursor: pointer;
}

tbody tr.selectable:hover {
  background: #f8fafc;
}

tbody tr.is-selected {
  background: #eef3f9;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: #e5e7eb;
  color: var(--ink);
}

.pill.pending,
.pill.draft,
.pill.warn {
  background: #fff7ed;
  color: var(--warning);
}

.pill.processing,
.pill.in_review,
.pill.info {
  background: #eef2ff;
  color: #4338ca;
}

.pill.done,
.pill.approved,
.pill.active,
.pill.success,
.pill.published,
.pill.resolved {
  background: #f0fdf4;
  color: var(--success);
}

.pill.failed,
.pill.disabled,
.pill.incorrect,
.pill.unhelpful,
.pill.danger,
.pill.ignored {
  background: #fef2f2;
  color: var(--danger);
}

.stack-list {
  display: grid;
  gap: 10px;
}

.stack-row,
.info-card,
.selected-panel {
  padding: 14px;
  border-radius: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.stack-row strong,
.info-card strong {
  display: block;
  margin-bottom: 6px;
}

.stack-row span,
.info-card span {
  display: block;
  color: var(--ink-faint);
  line-height: 1.55;
  font-size: 12px;
}

.doc-row-title,
.doc-row-meta {
  display: block;
}

.doc-row-meta {
  margin-top: 5px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.5;
}

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

.selected-panel {
  min-height: 128px;
}

.user-create-summary {
  min-height: 0;
}

.user-create-summary p {
  margin: 8px 0 0;
  color: var(--ink-faint);
  line-height: 1.65;
}

.doc-detail-grid {
  margin-top: 12px;
}

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

.doc-version-card {
  display: grid;
  gap: 5px;
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: left;
  font: inherit;
}

.doc-version-card strong,
.doc-preview-meta strong,
.citation-focus-card strong {
  display: block;
  margin-bottom: 6px;
}

.doc-version-card span,
.doc-preview-meta span,
.doc-detail-hint {
  display: block;
  color: var(--ink-faint);
  line-height: 1.55;
  font-size: 12px;
}

.doc-version-card.is-current {
  background: #f8fafc;
}

.doc-version-card.is-latest {
  background: #f9fafb;
}

.doc-version-card.is-active {
  border-color: #9ca3af;
  box-shadow: inset 0 0 0 1px rgba(156, 163, 175, 0.4);
}

.doc-editor {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.doc-editor-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.doc-editor-head strong {
  display: block;
}

.doc-editor-head span {
  color: var(--ink-faint);
  line-height: 1.55;
  font-size: 12px;
}

.doc-editor-head-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.doc-editor-head-actions .ghost-btn {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 10px;
}

.doc-editor-split {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(300px, 0.86fr);
  gap: 12px;
}

.doc-editor-column {
  min-width: 0;
}

.doc-editor-canvas,
.doc-editor-live-preview {
  min-height: 320px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: auto;
}

.doc-editor-canvas {
  line-height: 1.75;
  outline: none;
}

.doc-editor-canvas:focus {
  border-color: #94a3b8;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.16);
}

.doc-editor-canvas h1,
.doc-editor-canvas h2,
.doc-editor-canvas h3,
.doc-editor-live-preview h1,
.doc-editor-live-preview h2,
.doc-editor-live-preview h3 {
  margin: 0 0 12px;
}

.doc-editor-canvas p,
.doc-editor-canvas ul,
.doc-editor-canvas ol,
.doc-editor-canvas blockquote,
.doc-editor-live-preview p,
.doc-editor-live-preview ul,
.doc-editor-live-preview ol,
.doc-editor-live-preview blockquote {
  margin: 0 0 12px;
}

.doc-editor-canvas blockquote,
.doc-editor-live-preview blockquote {
  margin-left: 0;
  padding: 10px 12px;
  border-left: 3px solid #cbd5e1;
  background: #f8fafc;
  color: #475569;
}

.doc-editor-live-head {
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--ink-faint);
}

.doc-editor-tip {
  color: var(--ink-faint);
  font-size: 12px;
}

.doc-editor textarea {
  min-height: 220px;
}

.doc-preview-panel {
  min-height: 400px;
}

.doc-preview-meta {
  margin-bottom: 12px;
}

.citation-focus-card {
  display: grid;
  gap: 5px;
  margin-top: 10px;
  padding: 12px 13px;
  border-radius: 14px;
  border: 1px solid #fde68a;
  background: #fffbeb;
}

.doc-preview-frame {
  width: 100%;
  min-height: 720px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.doc-preview-html,
.doc-preview-text {
  min-height: 320px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  overflow: auto;
}

.doc-preview-html img,
.doc-preview-html video {
  max-width: 100%;
  height: auto;
}

.doc-preview-html video {
  display: block;
  margin: 14px auto;
  border-radius: 12px;
  background: #000;
}

.doc-preview-html .doc-video-label {
  margin-bottom: 8px;
  font-weight: 600;
}

.doc-preview-html .doc-video-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--brand);
}

.doc-preview-text {
  white-space: pre-wrap;
  line-height: 1.75;
}

.selected-panel.empty-state,
.qa-result.empty-state {
  display: grid;
  place-items: center;
  color: var(--ink-faint);
  text-align: center;
}

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

.qa-card--flat {
  grid-column: auto;
}

#analyticsView .qa-result {
  border-radius: 8px;
  background: #fff;
  border-color: #e6ebf2;
}

.qa-composer {
  display: grid;
  gap: 12px;
}

.qa-composer textarea {
  min-height: 110px;
}

.qa-result {
  margin-top: 12px;
  min-height: 200px;
  padding: 16px;
  border-radius: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.answer-card {
  display: grid;
  gap: 12px;
}

.answer-main {
  line-height: 1.76;
}

.answer-main.is-rich p,
.answer-main.is-rich ol,
.answer-main.is-rich ul,
.answer-main.is-rich h4,
.answer-main.is-rich .answer-media-block {
  margin: 0 0 12px;
}

.answer-main.is-rich > :last-child {
  margin-bottom: 0;
}

.answer-main.is-rich strong {
  color: var(--ink);
  font-weight: 700;
}

.answer-main.is-rich h4 {
  font-size: 17px;
  line-height: 1.45;
}

.answer-main.is-rich ol,
.answer-main.is-rich ul {
  padding-left: 1.5em;
}

.answer-main.is-rich li + li {
  margin-top: 8px;
}

.answer-inline-code {
  display: inline-block;
  padding: 0 6px;
  border-radius: 6px;
  background: #e5e7eb;
  font-size: 0.94em;
}

.answer-inline-link {
  color: #2563eb;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.answer-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.answer-image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  object-fit: cover;
  cursor: zoom-in;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
  z-index: 9999;
}

.image-lightbox.is-visible {
  opacity: 1;
  visibility: visible;
}

.image-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
}

.image-lightbox__panel {
  position: relative;
  z-index: 1;
  max-width: 92vw;
  max-height: 86vh;
  padding: 14px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-lightbox__img {
  max-width: 86vw;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.image-lightbox__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink-faint);
  font-size: 18px;
  line-height: 1;
  display: grid;
  place-items: center;
}

.image-lightbox__close:hover {
  color: var(--ink);
}

body.lightbox-open {
  overflow: hidden;
}

.answer-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--ink-faint);
  font-size: 12px;
}

.citation-grid {
  display: grid;
  gap: 10px;
}

.citation-card {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  text-align: left;
  font: inherit;
}

.citation-card--interactive {
  transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.citation-card--interactive:hover {
  transform: translateY(-1px);
  border-color: #cbd5e1;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.citation-card--compact {
  padding: 10px 11px;
  border-radius: 12px;
}

.citation-card strong {
  display: block;
}

.citation-card span {
  display: block;
  color: var(--ink-faint);
  line-height: 1.55;
  font-size: 12px;
}

.citation-card .citation-card__eyebrow {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #475569;
}

.citation-card .citation-card__title {
  margin: 0;
  color: var(--ink);
}

.citation-card .citation-card__snippet {
  color: var(--ink-soft);
}

.citation-card .citation-card__footer {
  display: flex !important;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.feedback-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.feedback-row textarea {
  min-height: 84px;
}

.feedback-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feedback-primary-cell strong {
  display: block;
  margin-bottom: 10px;
}

.feedback-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--ink-faint);
  font-size: 12px;
}

.feedback-answer-cell {
  min-width: 240px;
}

.feedback-citations-cell {
  min-width: 220px;
}

.feedback-citation {
  min-width: 100%;
}

.feedback-citation + .feedback-citation {
  margin-top: 8px;
}

.feedback-citation strong {
  font-size: 13px;
}

.feedback-citation span {
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.5;
}

.feedback-review-cell {
  min-width: 260px;
}

.feedback-review-stack {
  display: grid;
  gap: 10px;
}

.feedback-status-select,
.feedback-note-input {
  width: 100%;
}

.feedback-note-input {
  min-height: 92px;
}

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

.feedback-save-btn,
.feedback-detail-btn {
  white-space: nowrap;
}

.detail-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
  z-index: 9998;
}

.detail-modal.is-visible {
  opacity: 1;
  visibility: visible;
}

.detail-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(2px);
}

.detail-modal__panel {
  position: relative;
  z-index: 1;
  width: min(880px, 100%);
  max-height: min(88vh, 920px);
  overflow: auto;
  padding: 22px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.create-user-modal__panel {
  width: min(720px, 100%);
}

.detail-modal__header {
  padding-right: 44px;
  margin-bottom: 18px;
}

.detail-modal__header h3 {
  margin: 8px 0 8px;
  font-size: 24px;
}

.detail-modal__subtitle {
  margin: 0;
  color: var(--ink-faint);
  line-height: 1.65;
}

.detail-modal__body {
  display: grid;
  gap: 16px;
}

.detail-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink-faint);
  font-size: 20px;
  line-height: 1;
}

.detail-section {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.detail-section__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #475569;
}

.detail-question {
  white-space: pre-wrap;
  line-height: 1.7;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.detail-meta-card {
  display: grid;
  gap: 7px;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}

.detail-meta-card span {
  color: var(--ink-faint);
  font-size: 11px;
}

.detail-meta-card strong {
  font-size: 13px;
}

.detail-review-note {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}

.detail-review-note p {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.68;
  color: var(--ink-soft);
}

body.detail-modal-open {
  overflow: hidden;
}

.form-actions--modal {
  margin-top: 14px;
  justify-content: flex-end;
}

.feedback-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  background: #fff;
}

.feedback-chip[data-feedback-label="helpful"] {
  background: #f0fdf4;
  color: var(--success);
}

.feedback-chip[data-feedback-label="unhelpful"] {
  background: #fff7ed;
  color: var(--warning);
}

.feedback-chip[data-feedback-label="incorrect"] {
  background: #fef2f2;
  color: var(--danger);
}

.feedback-chip.is-active {
  box-shadow: inset 0 0 0 1px currentColor;
}

.model-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.model-card {
  padding: 16px;
  border-radius: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.model-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

.model-card span {
  display: block;
  color: var(--ink-faint);
  line-height: 1.55;
  font-size: 13px;
}

.debug-output {
  margin: 0;
  min-height: 260px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: auto;
  font-family: "SFMono-Regular", "Menlo", monospace;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-faint);
}

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

@media (max-width: 1240px) {
  .summary-grid,
  .panel-grid,
  .panel-grid-overview,
  .model-grid,
  .info-grid,
  .doc-version-grid,
  .login-points,
  .doc-editor-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panda-toolbar-card .section-head {
    align-items: flex-start;
  }

  .panel-grid-overview .surface-card:first-child,
  .qa-card {
    grid-row: auto;
    grid-column: auto;
  }

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

  .documents-rail {
    position: static;
  }

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

@media (max-width: 920px) {
  .login-screen,
  .workspace,
  .sidebar {
    padding: 16px;
  }

  .login-hero,
  .summary-grid,
  .panel-grid,
  .panel-grid-overview,
  .model-grid,
  .info-grid,
  .doc-version-grid,
  .login-points,
  .form-grid,
  .doc-editor-split {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: span 1;
  }

  .detail-modal {
    padding: 14px;
  }

  .detail-modal__panel {
    padding: 18px;
  }

  .detail-meta-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-head,
  .doc-editor-head {
    flex-direction: column;
  }

  .topbar-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .topbar-actions,
  .section-actions,
  .form-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .topbar h1 {
    font-size: 18px;
  }
}