:root {
  color-scheme: dark;
  --bg: #0f1217;
  --bg-sidebar: #0b0d12;
  --bg-elevated: #12161d;
  --bg-panel: #141922;
  --bg-soft: #171d27;
  --bg-soft-2: #1d2430;
  --bg-hover: rgba(148, 163, 184, 0.08);
  --bg-active: rgba(138, 160, 196, 0.12);
  --text: #ebeff6;
  --text-muted: #96a2b4;
  --text-soft: #6b778a;
  --line: rgba(148, 163, 184, 0.12);
  --line-strong: rgba(148, 163, 184, 0.22);
  --brand: #e9a23b;
  --brand-soft: rgba(233, 162, 59, 0.14);
  --brand-strong: #f4b45a;
  --radius-lg: 6px;
  --radius-md: 5px;
  --radius-sm: 4px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --text-xs: 0.76rem;
  --text-sm: 0.88rem;
  --text-md: 0.95rem;
  --text-lg: 1.05rem;
  --text-xl: 1.35rem;
  --text-2xl: 2.8rem;
  --sidebar-width: 272px;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f6f4ef;
    --bg-sidebar: #efede7;
    --bg-elevated: #fbfaf7;
    --bg-panel: #faf8f4;
    --bg-soft: #f2eee7;
    --bg-soft-2: #ebe6dc;
    --bg-hover: rgba(15, 23, 42, 0.04);
    --bg-active: rgba(37, 99, 235, 0.08);
    --text: #171b22;
    --text-muted: #596579;
    --text-soft: #7a8596;
    --line: rgba(15, 23, 42, 0.08);
    --line-strong: rgba(15, 23, 42, 0.16);
    --brand: #c97b21;
    --brand-soft: rgba(201, 123, 33, 0.12);
    --brand-strong: #b86718;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1217;
  --bg-sidebar: #0b0d12;
  --bg-elevated: #12161d;
  --bg-panel: #141922;
  --bg-soft: #171d27;
  --bg-soft-2: #1d2430;
  --bg-hover: rgba(148, 163, 184, 0.08);
  --bg-active: rgba(138, 160, 196, 0.12);
  --text: #ebeff6;
  --text-muted: #96a2b4;
  --text-soft: #6b778a;
  --line: rgba(148, 163, 184, 0.12);
  --line-strong: rgba(148, 163, 184, 0.22);
  --brand: #e9a23b;
  --brand-soft: rgba(233, 162, 59, 0.14);
  --brand-strong: #f4b45a;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f4ef;
  --bg-sidebar: #efede7;
  --bg-elevated: #fbfaf7;
  --bg-panel: #faf8f4;
  --bg-soft: #f2eee7;
  --bg-soft-2: #ebe6dc;
  --bg-hover: rgba(15, 23, 42, 0.04);
  --bg-active: rgba(37, 99, 235, 0.08);
  --text: #171b22;
  --text-muted: #596579;
  --text-soft: #7a8596;
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.16);
  --brand: #c97b21;
  --brand-soft: rgba(201, 123, 33, 0.12);
  --brand-strong: #b86718;
}

:root[data-sidebar-density="compact"] {
  --sidebar-width: 248px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-size: var(--text-md);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  border: 0;
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  padding: 0.72rem 0.82rem;
  transition: border-color 140ms ease, background 140ms ease;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus,
a:focus {
  outline: 2px solid rgba(242, 164, 58, 0.22);
  outline-offset: 2px;
}

.icon {
  width: 1.05rem;
  height: 1.05rem;
  flex: none;
}

.icon-sm {
  width: 0.9rem;
  height: 0.9rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-soft);
}

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

.lede {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-muted);
}

.button-ghost,
.button-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  justify-content: center;
  border-radius: var(--radius-sm);
  padding: 0.62rem 0.85rem;
  background: transparent;
  color: var(--text);
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.button-secondary {
  border: 1px solid var(--line);
  background: transparent;
}

.button-ghost:hover,
.button-secondary:hover {
  background: var(--bg-hover);
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.72rem;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
}

.button-primary:hover {
  background: var(--bg-hover);
  border-color: var(--line-strong);
}

button:not(.button-ghost):not(.button-secondary):not(.tree-toggle):not(.space-link):not(.collection-card):not(.search-launcher):not(.home-tab):not(.collection-group__header):not(.integration-card) {
  border-radius: var(--radius-sm);
  padding: 0.78rem 1rem;
  background: var(--brand);
  color: #111318;
  font-weight: 600;
}

.kb-app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
}

.kb-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-3) var(--space-4);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--line);
  overflow-y: auto;
}

.sidebar.is-compact {
  gap: var(--space-3);
  padding-top: var(--space-3);
}

.sidebar__top,
.panel__header,
.doc-card__header,
.app-header,
.feedback-item__header,
.doc-actions,
.app-header__left,
.app-header__right,
.app-header__center,
.manage-hero__meta,
.feedback-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sidebar__top,
.panel__header,
.doc-card__header,
.app-header,
.feedback-item__header {
  justify-content: space-between;
}

.sidebar__workspace {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar__brand-mark {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
  border: 1px solid var(--line);
  font-size: var(--text-sm);
  font-weight: 700;
}

.sidebar-nav,
.sidebar-list,
.sidebar-collections,
.collection-group__body,
.article-list,
.feedback-list,
.context-list,
.toc-rail,
.setup-points {
  display: grid;
  gap: 0.45rem;
}

.sidebar-nav {
  margin: 0;
}

.sidebar-nav__item,
.sidebar-doc,
.collection-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2.25rem;
  padding: 0.42rem 0.62rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: background 140ms ease, color 140ms ease;
}

.sidebar-nav__item.is-current,
.sidebar-doc.is-current,
.collection-link.is-current {
  background: var(--bg-active);
  color: var(--text);
}

.sidebar-nav__item:hover,
.sidebar-doc:hover,
.collection-link:hover,
.tree-link:hover,
.collection-group__header:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.sidebar-section {
  margin-top: 0;
}

.sidebar-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-list .muted {
  margin: 0;
  font-size: 0.88rem;
}

.collection-group {
  background: transparent;
  border: 0;
}

.collection-group__header,
.tree-item,
.search-result,
.collection-card,
.article-list__item,
.search-launcher {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.collection-group__header {
  width: 100%;
  justify-content: space-between;
  min-height: 2.3rem;
  padding: 0.38rem 0.55rem;
  background: transparent;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.collection-group__title {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.collection-group__header.is-current {
  color: var(--text);
  background: transparent;
  border-color: var(--line-strong);
}

.collection-group__body {
  padding: 0.1rem 0 0.45rem;
}

.tree-item {
  min-height: 2.35rem;
}

.tree-link {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.tree-item.is-active .tree-link {
  background: color-mix(in srgb, var(--bg-active) 55%, transparent);
  color: var(--text);
  box-shadow: inset 2px 0 0 0 var(--brand);
}

.tree-link__title {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.tree-toggle {
  width: 1.5rem;
  height: 1.5rem;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-soft);
}

.tree-spacer {
  width: 1.5rem;
  flex: none;
}

.badge,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: var(--radius-sm);
  padding: 0.12rem 0.34rem;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.badge-public {
  background: transparent;
  color: #7ee0a2;
  border-color: rgba(34, 197, 94, 0.18);
}

.badge-internal,
.badge-restricted {
  background: transparent;
  color: #c9a46a;
  border-color: rgba(233, 162, 59, 0.16);
}

.badge-muted,
.pill {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--line);
}

.app-header,
.app-content,
.app-footer {
  width: min(1220px, calc(100% - 2rem));
  margin: 0 auto;
}

.app-header {
  padding: 0.85rem 0 0.7rem;
  border-bottom: 1px solid var(--line);
}

.app-header__left {
  min-width: 0;
}

.app-header__center {
  flex: 1;
}

.app-header__right {
  gap: var(--space-2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.brand small {
  display: block;
  color: var(--text-muted);
  font-size: 0.74rem;
}

.brand-mark {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 2px;
}

.search-launcher {
  min-width: min(560px, 100%);
  justify-content: space-between;
  padding: 0.62rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--bg-soft);
  color: var(--text-muted);
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.search-launcher:hover {
  background: var(--bg-elevated);
  border-color: var(--line);
  color: var(--text);
}

.editor-modal {
  position: fixed;
  top: 5vh;
  left: 50%;
  width: min(820px, calc(100% - 2rem));
  max-height: 88vh;
  transform: translateX(-50%);
  z-index: 31;
  overflow: auto;
}

.editor-dialog {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  padding: 1.1rem 1.1rem 1rem;
}

.editor-textarea {
  min-height: 320px;
  margin-top: 0.25rem;
  font-family: ui-monospace, SFMono-Regular, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  line-height: 1.65;
  white-space: pre-wrap;
}

.editor-textarea-dialog {
  min-height: 420px;
}

.markdown-helper {
  display: grid;
  gap: 0.8rem;
  margin-top: 0.3rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 72%, transparent);
}

.markdown-helper__header {
  display: grid;
  gap: 0.2rem;
}

.markdown-helper__header .eyebrow {
  margin-bottom: 0;
}

.markdown-helper__header h4 {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
}

.markdown-helper__body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.55rem;
}

.markdown-helper__body code {
  display: block;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.markdown-helper__note {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.search-launcher kbd {
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0.18rem 0.45rem;
  font-size: 0.76rem;
  background: var(--bg-elevated);
}

.app-content {
  padding: var(--space-5) 0 var(--space-8);
}

.app-footer {
  padding: 0.95rem 0 1.4rem;
  color: var(--text-soft);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.overview-layout,
.manage-layout {
  display: grid;
  gap: 1.2rem;
}

.home-page {
  display: grid;
  gap: var(--space-4);
  max-width: 860px;
  margin: 0 auto;
}

.home-tabs {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  border-bottom: 1px solid var(--line);
}

.home-tab {
  padding: 0 0 var(--space-3);
  background: transparent;
  color: var(--text-soft);
  border-bottom: 2px solid transparent;
  font-weight: 500;
  border-radius: 0;
  font-size: var(--text-sm);
}

.home-tab.is-active {
  color: var(--text);
  border-bottom-color: var(--brand-strong);
}

.document-feed {
  display: grid;
}

.document-feed__item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--space-3);
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease;
}

.document-feed__item:hover {
  color: var(--text);
  border-bottom-color: var(--line-strong);
}

.document-feed__icon {
  width: 1.1rem;
  height: 1.1rem;
  display: grid;
  place-items: center;
  color: var(--text-soft);
  margin-top: 0.18rem;
}

.document-feed__body {
  display: grid;
  gap: 0.2rem;
}

.document-feed__title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.document-feed__meta,
.document-feed__excerpt {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.document-feed__excerpt {
  line-height: 1.55;
}

.home-collections {
  padding-top: var(--space-5);
}

.home-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.85fr);
  gap: 2.4rem;
  align-items: start;
}

.home-side-column {
  align-self: start;
}

.collection-list {
  display: grid;
}

.collection-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 140ms ease, border-color 140ms ease;
}

.collection-list__item:hover {
  color: var(--text);
  border-bottom-color: var(--line-strong);
  background: var(--bg-hover);
}

.collection-list__body strong {
  display: block;
  font-size: var(--text-md);
}

.collection-list__body p {
  margin: 0.25rem 0 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.panel-muted {
  background: transparent;
}

.panel,
.doc-card,
.rail-card {
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: var(--space-5) 0;
}

.overview-hero,
.auth-panel,
.auth-form,
.setup-form {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: transparent;
  padding: var(--space-5) var(--space-5);
}

.doc-card {
  background: transparent;
  border: 0;
  padding: 0;
}

.overview-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 1rem;
  align-items: end;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding-left: 0;
  padding-right: 0;
}

.overview-hero h1,
.doc-card h1,
.auth-panel h1,
.manage-hero h1 {
  margin: 0;
  font-size: clamp(1.85rem, 2.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.overview-grid,
.manage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.collection-cards,
.analytics-grid,
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.collection-card,
.article-list__item {
  width: 100%;
  justify-content: space-between;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-md);
  background: #11151b;
  border: 1px solid var(--line);
  color: inherit;
}

.collection-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 3px;
  background: var(--brand-soft);
  color: var(--brand);
}

.collection-card p,
.article-list__item p,
.search-result__body p {
  margin: 0.18rem 0 0;
  color: var(--text-muted);
}

.article-list__item {
  align-items: flex-start;
  flex-direction: column;
}

.article-list__meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
}

.document-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 2rem;
  align-items: start;
}

.doc-card__header-spread {
  align-items: flex-start;
}

.doc-badges,
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumbs {
  margin-bottom: 0.85rem;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.doc-meta,
.doc-summary {
  color: var(--text-muted);
}

.doc-summary {
  max-width: 70ch;
  font-size: 1.02rem;
  line-height: 1.7;
}

.doc-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.right-rail {
  position: sticky;
  top: 1rem;
  display: grid;
  gap: 0.75rem;
}

.rail-card {
  padding: 0.9rem 0 0.9rem 1rem;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
}

.toc-rail a {
  display: block;
  padding: 0.35rem 0;
  color: var(--text-muted);
}

.context-list div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.context-list span {
  color: var(--text-muted);
}

.markdown-prose {
  max-width: 74ch;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.02rem;
  line-height: 1.75;
  color: #d7dde7;
}

.markdown-prose :is(h1, h2, h3, h4) {
  margin-top: 2.1rem;
  margin-bottom: 0.8rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.markdown-prose p,
.markdown-prose ul,
.markdown-prose ol,
.markdown-prose blockquote,
.markdown-prose table,
.markdown-prose pre {
  margin: 1rem 0;
}

.markdown-prose ul,
.markdown-prose ol {
  padding-left: 1.25rem;
}

.markdown-prose a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.markdown-prose blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--line-strong);
  color: var(--text-muted);
}

.markdown-prose table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

.markdown-prose th,
.markdown-prose td {
  border: 1px solid var(--line);
  padding: 0.7rem;
  text-align: left;
}

.markdown-prose pre {
  position: relative;
  padding: 1rem;
  border-radius: var(--radius-md);
  overflow: auto;
  background: #10141a;
  color: #dfe7f2;
  border: 1px solid var(--line);
}

.markdown-prose code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.92em;
}

.markdown-prose :not(pre) > code {
  padding: 0.16rem 0.38rem;
  border-radius: 3px;
  background: var(--bg-soft-2);
  color: #cdd7e3;
}

.code-copy {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.7rem;
  background: rgba(15, 19, 25, 0.9);
  color: white;
}

.feedback-card {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.auth-layout,
.setup-screen {
  min-height: 100vh;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  align-items: center;
}

.setup-points {
  margin-top: 1.25rem;
}

.setup-points div {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.checkbox-row input {
  width: auto;
}

.checkbox-card {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}

.panel__footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.feedback-item {
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
  margin-top: 0.9rem;
}

.feedback-actions {
  margin-top: 0.85rem;
}

.command-palette__overlay,
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 12, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
  z-index: 20;
}

.command-palette__overlay.is-open,
.sidebar-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.command-palette {
  position: fixed;
  top: 8vh;
  left: 50%;
  width: min(760px, calc(100% - 2rem));
  transform: translateX(-50%) scale(0.98);
  opacity: 0;
  pointer-events: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-elevated);
  box-shadow: none;
  z-index: 30;
  overflow: hidden;
  transition: opacity 160ms ease, transform 160ms ease;
}

.command-palette.is-open {
  opacity: 1;
  transform: translateX(-50%) scale(1);
  pointer-events: auto;
}

.command-palette__input {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-panel);
}

.command-palette__input input {
  border: 0;
  padding: 0;
  background: transparent;
}

.command-palette__results {
  max-height: min(60vh, 560px);
  overflow: auto;
  padding: 0.8rem;
}

.search-group {
  margin-top: 0.35rem;
}

.search-group__label {
  padding: 0.55rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.search-result {
  padding: 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}

.search-result:hover {
  background: var(--bg-soft);
  border-color: var(--line);
}

.search-result__icon {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 3px;
  background: var(--brand-soft);
  color: var(--brand);
}

.search-result__body span {
  display: inline-block;
  margin-top: 0.3rem;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  transition: border-color 140ms ease, background 140ms ease;
}

.search-bar:focus-within {
  border-color: var(--line-strong);
  background: var(--bg-panel);
}

.search-bar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  color: var(--text-soft);
}

.search-bar input {
  border: 0;
  padding: 0;
  background: transparent;
}

.search-bar__submit {
  padding: 0.55rem 0.8rem;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--line);
}

.content-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 0;
}

.content-section-search {
  padding-bottom: var(--space-2);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-2);
}

.section-head--compact {
  margin-bottom: 0;
}

.empty-state {
  padding: var(--space-6) 0;
  max-width: 34rem;
}

.empty-state__title {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.empty-state__description {
  margin: 0.7rem 0 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.empty-state__action {
  margin-top: var(--space-4);
}

.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, #171c24 0%, #1e2430 50%, #171c24 100%);
  background-size: 240px 100%;
  animation: pulse 1.5s linear infinite;
}

.skeleton-group,
.skeleton-block {
  display: grid;
  gap: 0.75rem;
}

.skeleton-title { height: 1.3rem; width: 70%; margin-bottom: 1rem; }
.skeleton-line { height: 0.95rem; width: 100%; }
.skeleton-heading { height: 2.1rem; width: 60%; margin: 0.8rem 0; }
.skeleton-meta { height: 0.9rem; width: 35%; margin-bottom: 1rem; }
.skeleton-paragraph { height: 0.95rem; width: 100%; }
.skeleton-subheading { height: 1.2rem; width: 42%; }
.skeleton-chip { height: 1.6rem; width: 6rem; }
.skeleton.short { width: 55%; }

.loading-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.answer-card,
.subpanel,
.integration-card,
.preview-item,
.delivery-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  padding: 1rem 1.1rem;
}

.citation-list,
.delivery-list,
.preview-list,
.checkbox-list {
  display: grid;
  gap: 0.75rem;
}

.citation-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-soft-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.import-grid,
.integration-list {
  display: grid;
  gap: 1rem;
}

.import-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.integration-list {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.admin-content .integration-list {
  grid-template-columns: 1fr;
  max-width: 860px;
}

.field-note p {
  margin: 0;
}

.inline-button {
  display: inline-flex;
  justify-content: center;
  margin-top: 1rem;
}

.stack-page {
  display: grid;
  gap: 1rem;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0 0 var(--space-4);
  border-bottom: 1px solid var(--line);
}

.page-header h1 {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.page-header .lede {
  max-width: 640px;
  margin: 0.85rem 0 0;
}

.page-header__body {
  max-width: 760px;
}

.page-header__actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.admin-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  gap: 2.5rem;
}

.admin-sidebar {
  position: sticky;
  top: 1rem;
  align-self: start;
  background: transparent;
  padding: 0.9rem 0.75rem;
  border: 0;
}

.sidebar__footer {
  align-self: end;
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.sidebar__account {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-md);
  transition: background 140ms ease, color 140ms ease;
}

.sidebar__account:hover,
.sidebar__account.is-current {
  background: var(--bg-hover);
}

.sidebar__avatar {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 700;
}

.sidebar__account-body {
  display: grid;
  gap: 0.12rem;
}

.sidebar__account-body strong {
  font-size: var(--text-sm);
}

.sidebar__account-body span {
  color: var(--text-soft);
  font-size: var(--text-xs);
  text-transform: capitalize;
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text);
}

.admin-backlink {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0 1.2rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.admin-nav {
  display: grid;
  gap: 0.18rem;
}

.admin-nav-group {
  margin-bottom: 1rem;
}

.admin-nav-group__label {
  margin: 0 0 0.45rem;
  color: #6f89b2;
  font-size: 0.82rem;
  font-weight: 700;
}

.admin-nav__item {
  display: flex;
  align-items: center;
  min-height: 2.45rem;
  padding: 0.48rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: 0.92rem;
}

.admin-nav__item.is-current {
  background: #171b22;
  color: var(--text);
  box-shadow: inset 2px 0 0 0 var(--brand);
}

.admin-content,
.admin-grid,
.list-grid {
  display: grid;
  gap: 1rem;
}

.admin-content > .panel {
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  padding-left: 0;
  padding-right: 0;
}

.settings-section {
  display: grid;
  gap: 0;
  max-width: 840px;
}

.settings-section__title {
  margin: 1.2rem 0 0.75rem;
  font-size: 1.2rem;
}

.settings-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 260px);
  gap: 2rem;
  align-items: center;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.settings-row__content strong,
.settings-row__value {
  display: block;
  font-size: 0.98rem;
}

.settings-row__content p {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  line-height: 1.55;
}

.settings-row__control {
  width: 100%;
}

.settings-row__control :is(input, select) {
  max-width: 260px;
  margin-left: auto;
}

.settings-row__control-stack {
  display: grid;
  gap: 0.6rem;
  width: 100%;
}

.settings-inline-grid {
  display: grid;
  grid-template-columns: minmax(0, 140px) minmax(0, 1fr) auto;
  gap: 0.6rem;
  width: 100%;
}

.settings-row__value {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.settings-section-subtle {
  background: transparent;
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
}

.integration-section {
  padding: 1rem 1.1rem;
}

.panel__footer-start {
  justify-content: flex-start;
}

.settings-row__value {
  color: var(--text-muted);
  text-align: left;
}

.settings-actions {
  max-width: 840px;
  padding-top: 1rem;
}

.preferences-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 2.5rem;
}

.preferences-sidebar {
  position: sticky;
  top: 1rem;
  align-self: start;
  padding-top: 0.3rem;
}

.preferences-backlink {
  display: inline-flex;
  align-items: center;
  padding-bottom: 1rem;
  color: var(--text);
  font-weight: 600;
}

.preferences-nav-group {
  margin-bottom: 1rem;
}

.preferences-nav-group__label {
  margin: 0 0 0.45rem;
  color: #6f89b2;
  font-size: 0.82rem;
  font-weight: 700;
}

.preferences-nav {
  display: grid;
  gap: 0.18rem;
}

.preferences-nav__item {
  display: flex;
  align-items: center;
  min-height: 2.3rem;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.preferences-nav__item:hover,
.preferences-nav__item.is-current {
  background: var(--bg-hover);
  color: var(--text);
}

.preferences-content {
  display: grid;
  gap: var(--space-4);
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  justify-content: flex-end;
}

.toggle-switch.is-disabled {
  opacity: 0.55;
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-switch__track {
  width: 34px;
  height: 20px;
  display: inline-block;
  border-radius: 999px;
  background: #6f7c90;
  position: relative;
  transition: background 140ms ease;
}

.toggle-switch__track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: white;
  transition: transform 140ms ease;
}

.toggle-switch input:checked + .toggle-switch__track {
  background: var(--brand);
}

.toggle-switch input:checked + .toggle-switch__track::after {
  transform: translateX(14px);
}

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

.list-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #11151b;
}

.integration-card--selectable {
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.integration-card--selectable.is-selected {
  border-color: var(--brand);
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.24);
}

.settings-row--summary {
  padding-top: 0;
}

.composer-shell {
  display: grid;
  gap: 1.2rem;
}

.composer-header {
  align-items: center;
}

.composer-header__actions {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.composer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.9fr);
  gap: 1.4rem;
  align-items: start;
}

.composer-main,
.composer-sidebar {
  display: grid;
  gap: 1rem;
}

.composer-sidebar {
  padding: 1rem 1.1rem;
}

.composer-toolbar {
  display: grid;
  gap: 0.7rem;
}

.editor-textarea-page {
  min-height: 62vh;
}

.mobile-only {
  display: none;
}

@keyframes pulse {
  0% { background-position: 240px 0; }
  100% { background-position: -240px 0; }
}

@media (max-width: 1100px) {
  .document-layout,
  .overview-grid,
  .manage-grid,
  .auth-layout,
  .setup-screen,
  .admin-shell,
  .admin-grid,
  .preferences-shell {
    grid-template-columns: 1fr;
  }

  .right-rail {
    position: static;
  }

  .settings-row {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .preferences-sidebar {
    position: static;
  }
}

@media (max-width: 920px) {
  .kb-app {
    grid-template-columns: 1fr;
  }

  .mobile-only {
    display: inline-flex;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(88vw, 340px);
    transform: translateX(-100%);
    transition: transform 180ms ease;
    z-index: 25;
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .app-header {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    align-items: stretch;
  }

  .app-header,
  .app-content,
  .app-footer {
    width: min(1320px, calc(100% - 1.2rem));
  }

  .overview-hero,
  .field-grid,
  .collection-cards,
  .analytics-grid,
  .home-content-grid,
  .composer-layout,
  .settings-inline-grid {
    grid-template-columns: 1fr;
  }

  .app-header__center {
    order: 3;
  }
}