/* ==========================================================================
   Novel-Simple-KB — Frontend Stylesheet
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --ns-kb-bg: var(--wp--preset--color--background, #f3f6fb);
  --ns-kb-card: var(--wp--preset--color--base, #ffffff);
  --ns-kb-accent: var(--wp--preset--color--primary, #2563eb);
  --ns-kb-accent-soft: var(--wp--preset--color--secondary, #60a5fa);
  --ns-kb-accent-dark: #1d4ed8;
  --ns-kb-text: var(--wp--preset--color--foreground, #1f2a37);
  --ns-kb-muted: var(--wp--preset--color--tertiary, #6b7280);
  --ns-kb-border: var(--wp--preset--color--border, #e5e7eb);
  --ns-kb-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 12px rgba(0, 0, 0, .04);
  --ns-kb-shadow-hover: 0 4px 16px rgba(0, 0, 0, .1);
  --ns-kb-radius: 14px;
  --ns-kb-hero-from: var(--ns-kb-accent, #2563eb);
  --ns-kb-hero-to: #06b6d4;
  --ns-kb-transition: .22s ease;
}

/* ---------- Hero Section ---------- */
.ns-kb-hero {
  background: linear-gradient(135deg, var(--ns-kb-hero-from), var(--ns-kb-hero-to));
  padding: 3.5rem 1.2rem 3rem;
  text-align: center;
  color: #fff;
}

.ns-kb-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.ns-kb-hero-title {
  margin: 0 0 .5rem;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: #fff;
}

.ns-kb-hero-subtitle {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  opacity: .9;
  line-height: 1.5;
}

.ns-kb-hero-search {
  width: 100%;
  position: relative;
}

.ns-kb-hero-search-inner {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  padding: .35rem .35rem .35rem 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .15);
  gap: .6rem;
}

.ns-kb-hero-search-inner .ns-kb-search-icon {
  color: var(--ns-kb-muted);
  flex-shrink: 0;
}

.ns-kb-hero-search-inner .ns-kb-search-icon svg {
  width: 20px;
  height: 20px;
}

.ns-kb-hero-search-inner input {
  border: 0;
  width: 100%;
  background: transparent;
  font-size: 1rem;
  outline: none;
  color: var(--ns-kb-text);
}

.ns-kb-hero-search-btn {
  flex-shrink: 0;
  background: var(--ns-kb-accent);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: .6rem 1.4rem;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--ns-kb-transition);
}

.ns-kb-hero-search-btn:hover {
  background: var(--ns-kb-accent-dark);
}

.ns-kb-hero .ns-kb-search-results {
  margin-top: .6rem;
  border-radius: var(--ns-kb-radius);
  text-align: left;
}

/* ---------- Archive Main ---------- */
.ns-kb-archive-main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 1.2rem 3rem;
}

/* ---------- Single Doc Layout ---------- */
.ns-kb-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 1.2rem;
  display: grid;
  grid-template-columns: minmax(260px, 300px) 1fr;
  gap: 1.4rem;
  color: var(--ns-kb-text);
}

.ns-kb-no-sidebar {
  grid-template-columns: 1fr;
}

/* Three-column layout with right-side TOC */
.ns-kb-layout.ns-kb-has-right-toc {
  grid-template-columns: minmax(240px, 280px) 1fr minmax(200px, 240px);
}

/* ---------- Common Card/Surface Styles ---------- */
.ns-kb-sidebar,
.ns-kb-content,
.ns-kb-card,
.ns-kb-search-inner,
.ns-kb-helpful,
.ns-kb-toc,
.ns-kb-grid-item {
  background: var(--ns-kb-card);
  border: 1px solid var(--ns-kb-border);
  border-radius: var(--ns-kb-radius);
  box-shadow: var(--ns-kb-shadow);
}

.ns-kb-sticky {
  position: sticky;
  top: 1rem;
}

/* ---------- Sidebar Search ---------- */
.ns-kb-search-inner {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .7rem .85rem;
}

.ns-kb-search input {
  border: 0;
  width: 100%;
  background: transparent;
  font-size: .96rem;
  outline: none;
}

.ns-kb-search-category {
  width: 100%;
  margin-bottom: .5rem;
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  padding: .45rem .55rem;
  background: var(--ns-kb-card);
}

.ns-kb-search-results {
  margin-top: .6rem;
  background: var(--ns-kb-card);
  border-radius: 10px;
  overflow: hidden;
}

.ns-kb-search-item {
  display: block;
  padding: .6rem .75rem;
  text-decoration: none;
  border-bottom: 1px solid var(--ns-kb-border);
  color: var(--ns-kb-text);
  transition: background var(--ns-kb-transition);
}

.ns-kb-search-item:hover {
  background: var(--ns-kb-bg);
}

.ns-kb-search-thumb {
  width: 26px;
  height: 26px;
  object-fit: cover;
  border-radius: 6px;
  margin-right: .45rem;
  vertical-align: middle;
}

.ns-kb-search-item span {
  display: block;
  color: var(--ns-kb-muted);
  font-size: .82rem;
}

/* ---------- Sidebar Groups ---------- */
.ns-kb-sidebar-groups {
  margin-top: .9rem;
  display: grid;
  gap: .8rem;
}

.ns-kb-card {
  padding: .8rem;
}

.ns-kb-category-title {
  margin: 0 0 .4rem;
  font-size: 1rem;
  display: flex;
  gap: .4rem;
  align-items: center;
}

.ns-kb-tree,
.ns-kb-tree ul {
  margin: 0;
  padding-left: .95rem;
  list-style: none;
}

.ns-kb-tree-link {
  display: inline-flex;
  gap: .38rem;
  align-items: center;
  padding: .28rem 0;
  color: var(--ns-kb-text);
  text-decoration: none;
  font-size: .92rem;
  transition: color var(--ns-kb-transition);
}

.ns-kb-tree-link:hover {
  color: var(--ns-kb-accent);
}

.ns-kb-tree-link.is-active {
  color: var(--ns-kb-accent);
  font-weight: 600;
}

/* ---------- Content Area ---------- */
.ns-kb-content {
  padding: 1.4rem;
}

.ns-kb-page-header h1,
.ns-kb-title {
  margin: 0 0 .6rem;
  line-height: 1.25;
}

.ns-kb-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  color: var(--ns-kb-muted);
  font-size: .88rem;
  margin-bottom: .9rem;
}

.ns-kb-breadcrumbs a {
  text-decoration: none;
  color: var(--ns-kb-accent);
}

.ns-kb-breadcrumbs a:hover {
  text-decoration: underline;
}

/* ---------- Language Switcher ---------- */
.ns-kb-language-switcher {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  margin: .25rem 0 .75rem;
}

.ns-kb-language-link {
  border: 1px solid var(--ns-kb-border);
  border-radius: 999px;
  padding: .2rem .6rem;
  text-decoration: none;
  color: var(--ns-kb-muted);
  font-size: .82rem;
  background: var(--ns-kb-card);
  transition: all var(--ns-kb-transition);
}

.ns-kb-language-link.is-active {
  color: #fff;
  background: var(--ns-kb-accent);
  border-color: var(--ns-kb-accent);
}

/* ---------- Article Content ---------- */
.ns-kb-article-content {
  line-height: 1.75;
  font-size: 1.02rem;
  max-width: 820px;
}

.ns-kb-article-content h2,
.ns-kb-article-content h3 {
  margin-top: 1.6rem;
  scroll-margin-top: 90px;
}

/* ---------- Table of Contents ---------- */
.ns-kb-toc,
.ns-kb-helpful {
  padding: .9rem 1rem;
  margin: 1rem 0;
}

.ns-kb-toc-list {
  margin: 0;
  padding-left: 1rem;
}

.ns-kb-toc-list li {
  margin: .32rem 0;
}

.ns-kb-toc-list li.is-sub {
  margin-left: 1rem;
  font-size: .92rem;
}

.ns-kb-toc-list a {
  color: var(--ns-kb-accent);
  text-decoration: none;
  transition: color var(--ns-kb-transition);
}

.ns-kb-toc-list a:hover {
  text-decoration: underline;
}

.ns-kb-toc-list a.is-active {
  font-weight: 700;
  text-decoration: underline;
}

/* Right-side sticky TOC */
.ns-kb-right-toc {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

/* ---------- Helpful Voting ---------- */
.ns-kb-helpful-actions {
  display: flex;
  gap: .6rem;
}

.ns-kb-helpful-btn {
  border: 1px solid var(--ns-kb-border);
  background: var(--ns-kb-card);
  padding: .45rem .9rem;
  border-radius: 9px;
  cursor: pointer;
  transition: all var(--ns-kb-transition);
}

.ns-kb-helpful-btn:hover {
  border-color: var(--ns-kb-accent);
  color: var(--ns-kb-accent);
}

.ns-kb-helpful-btn:disabled {
  opacity: .65;
  cursor: default;
}

/* ---------- Category Grid (Archive/Home) ---------- */
.ns-kb-home-grid {
  display: grid;
  gap: 1.25rem;
}

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

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

.ns-kb-home-grid.columns-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ns-kb-home-grid.is-masonry {
  grid-auto-flow: dense;
}

.ns-kb-home-categories {
  display: contents;
}

/* ---------- Category Card ---------- */
.ns-kb-home-category-card {
  background: var(--ns-kb-card);
  border: 1px solid var(--ns-kb-border);
  border-radius: var(--ns-kb-radius);
  overflow: hidden;
  box-shadow: var(--ns-kb-shadow);
  transition: box-shadow var(--ns-kb-transition), transform var(--ns-kb-transition);
}

.ns-kb-home-category-card:hover {
  box-shadow: var(--ns-kb-shadow-hover);
  transform: translateY(-2px);
}

.ns-kb-category-card-header {
  padding: .85rem 1rem .65rem;
  background: linear-gradient(135deg, var(--ns-kb-cat-color, var(--ns-kb-accent)) 0%, color-mix(in srgb, var(--ns-kb-cat-color, var(--ns-kb-accent)) 75%, #fff) 100%);
  display: flex;
  align-items: center;
  gap: .6rem;
}

.ns-kb-category-card-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, .2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.ns-kb-category-card-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.ns-kb-category-card-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
}

.ns-kb-category-card-body {
  padding: .75rem 1rem;
}

.ns-kb-home-doc-list {
  margin: 0 0 .55rem;
  padding: 0;
  list-style: none;
}

.ns-kb-home-doc-list li {
  padding: .3rem 0;
  border-bottom: 1px solid var(--ns-kb-border);
}

.ns-kb-home-doc-list li:last-child {
  border-bottom: 0;
}

.ns-kb-home-doc-list a {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--ns-kb-text);
  text-decoration: none;
  font-size: .92rem;
  transition: color var(--ns-kb-transition);
}

.ns-kb-home-doc-list a:hover {
  color: var(--ns-kb-accent);
}

.ns-kb-home-doc-list .ns-kb-doc-icon {
  color: var(--ns-kb-muted);
  flex-shrink: 0;
}

.ns-kb-home-doc-list .ns-kb-doc-icon svg {
  width: 14px;
  height: 14px;
}

.ns-kb-category-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .35rem 1rem .75rem;
}

.ns-kb-category-count {
  font-size: .85rem;
  color: var(--ns-kb-muted);
}

.ns-kb-explore-more {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  color: var(--ns-kb-accent);
  transition: gap var(--ns-kb-transition);
}

.ns-kb-explore-more:hover {
  gap: .5rem;
}

/* ==========================================================================
   BOX LAYOUT — Centered icon, category title, count badge. No article list.
   ========================================================================== */
.ns-kb-home-layout-box .ns-kb-home-categories {
  display: grid;
  grid-template-columns: repeat(var(--ns-kb-home-columns, 3), minmax(0, 1fr));
  gap: var(--ns-kb-category-column-gap, 1.25rem);
}

.ns-kb-layout-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  border-radius: 16px;
  background: var(--ns-kb-card, #fff);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .06);
  transition: transform .2s ease, box-shadow .2s ease;
}

.ns-kb-layout-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
}

.ns-kb-box-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: inherit;
}

.ns-kb-box-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--ns-kb-accent, #2f6de1);
  color: #fff;
  font-size: 1.5rem;
}

.ns-kb-box-icon .dashicons {
  font-size: 28px;
  width: 28px;
  height: 28px;
  color: #fff;
}

.ns-kb-box-icon svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  color: #fff;
}

.ns-kb-box-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  color: var(--ns-kb-text, #1f2a37);
}

.ns-kb-box-count {
  display: inline-block;
  font-size: .8rem;
  font-weight: 500;
  color: var(--ns-kb-muted, #6b7280);
  background: rgba(0, 0, 0, .04);
  padding: .2rem .7rem;
  border-radius: 999px;
}

/* ==========================================================================
   CARD LAYOUT — Horizontal, icon left, title + count right. Compact.
   ========================================================================== */
.ns-kb-home-layout-card .ns-kb-home-categories {
  display: grid;
  grid-template-columns: repeat(var(--ns-kb-home-columns, 3), minmax(0, 1fr));
  gap: var(--ns-kb-category-column-gap, 1rem);
}

.ns-kb-layout-card {
  border-radius: 12px;
  background: var(--ns-kb-card, #fff);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
  transition: box-shadow .2s ease;
  overflow: hidden;
}

.ns-kb-layout-card:hover {
  box-shadow: 0 4px 14px rgba(0, 0, 0, .1);
}

.ns-kb-card-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: inherit;
}

.ns-kb-card-icon-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--ns-kb-accent, #2f6de1);
  color: #fff;
}

.ns-kb-card-icon-wrap .dashicons {
  font-size: 22px;
  width: 22px;
  height: 22px;
  color: #fff;
}

.ns-kb-card-icon-wrap svg {
  width: 20px;
  height: 20px;
  fill: #fff;
  color: #fff;
}

.ns-kb-card-info {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-width: 0;
}

.ns-kb-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--ns-kb-text, #1f2a37);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ns-kb-card-count {
  font-size: .8rem;
  color: var(--ns-kb-muted, #6b7280);
}

/* ==========================================================================
   HANDBOOK LAYOUT — Split card: colored icon block left, articles right
   ========================================================================== */
.ns-kb-home-layout-handbook .ns-kb-home-categories {
  display: grid;
  grid-template-columns: repeat(min(var(--ns-kb-home-columns, 2), 2), minmax(0, 1fr));
  gap: var(--ns-kb-category-column-gap, 1.5rem);
}

.ns-kb-layout-handbook {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-radius: 14px;
  background: var(--ns-kb-card, #fff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
  overflow: hidden;
  transition: box-shadow .2s ease;
}

.ns-kb-layout-handbook:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, .1);
}

.ns-kb-handbook-icon-block {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ns-kb-accent, #2f6de1);
  color: #fff;
  min-height: 120px;
}

.ns-kb-handbook-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ns-kb-handbook-icon .dashicons {
  font-size: 36px;
  width: 36px;
  height: 36px;
  color: #fff;
}

.ns-kb-handbook-icon svg {
  width: 32px;
  height: 32px;
  fill: #fff;
  color: #fff;
}

.ns-kb-handbook-content {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.ns-kb-handbook-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--ns-kb-text, #1f2a37);
}

.ns-kb-handbook-more {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--ns-kb-accent, #2f6de1);
  text-decoration: none;
  margin-top: auto;
}

.ns-kb-handbook-more:hover {
  text-decoration: underline;
}

/* ==========================================================================
   MODERN LAYOUT — Like Grid but with a prominent colored CTA button
   ========================================================================== */
.ns-kb-home-layout-modern .ns-kb-home-categories {
  display: grid;
  grid-template-columns: repeat(var(--ns-kb-home-columns, 3), minmax(0, 1fr));
  gap: var(--ns-kb-category-column-gap, 1.25rem);
}

.ns-kb-layout-modern .ns-kb-category-card-footer {
  flex-direction: column;
  align-items: stretch;
  gap: .75rem;
}

.ns-kb-modern-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .55rem 1.2rem;
  font-size: .85rem;
  font-weight: 600;
  color: #fff;
  background: var(--ns-kb-accent, #2f6de1);
  border-radius: 8px;
  text-decoration: none;
  transition: background .2s ease, transform .15s ease;
}

.ns-kb-modern-cta:hover {
  background: var(--ns-kb-accent-hover, #1d4ed8);
  transform: translateY(-1px);
}

/* ==========================================================================
   MASONRY LAYOUT — Same card style as Grid, CSS column-count stagger
   ========================================================================== */
.ns-kb-home-layout-masonry .ns-kb-home-categories {
  display: block;
  column-count: var(--ns-kb-home-columns, 3);
  column-gap: var(--ns-kb-category-column-gap, 1.25rem);
}

.ns-kb-home-layout-masonry .ns-kb-home-category-card {
  break-inside: avoid;
  margin-bottom: var(--ns-kb-category-column-gap, 1.25rem);
}

/* ---------- Generic Grid ---------- */
.ns-kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: .9rem;
}

.ns-kb-grid-item {
  padding: .9rem 1rem;
}

.ns-kb-grid-item a {
  color: var(--ns-kb-text);
  text-decoration: none;
  font-weight: 500;
}

.ns-kb-grid-item a:hover {
  color: var(--ns-kb-accent);
}

/* ---------- Miscellaneous ---------- */
.ns-kb-muted {
  color: var(--ns-kb-muted);
  margin: .25rem 0;
}

.ns-kb-reading-time {
  padding: .45rem .65rem;
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  background: var(--ns-kb-card);
  margin-bottom: .9rem;
  color: var(--ns-kb-muted);
  font-size: .9rem;
}

.ns-kb-attachments,
.ns-kb-related,
.ns-kb-faq {
  margin-top: 1.25rem;
  padding-top: .6rem;
  border-top: 1px solid var(--ns-kb-border);
}

.ns-kb-faq details,
.ns-kb-faq-list details {
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  padding: .6rem .75rem;
  margin: .45rem 0;
  transition: box-shadow var(--ns-kb-transition);
}

.ns-kb-faq details[open],
.ns-kb-faq-list details[open] {
  box-shadow: var(--ns-kb-shadow);
}

.ns-kb-glossary-term {
  text-decoration: underline dotted;
  cursor: help;
}

/* ---------- Code Snippets ---------- */
.ns-kb-copy-code {
  float: right;
  margin: .35rem;
  border: 1px solid rgba(255, 255, 255, .15);
  background: rgba(255, 255, 255, .08);
  color: #94a3b8;
  padding: .2rem .55rem;
  border-radius: 7px;
  cursor: pointer;
  font-size: .8rem;
  transition: all var(--ns-kb-transition);
}

.ns-kb-copy-code:hover {
  background: rgba(255, 255, 255, .15);
  color: #e2e8f0;
}

.ns-kb-code {
  position: relative;
  overflow: auto;
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  padding: .65rem;
  background: #0f172a;
  color: #e2e8f0;
}

.ns-kb-code code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .88rem;
}

/* ---------- Instant Answer Widget ---------- */
.ns-kb-instant-trigger {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 9998;
  border: 0;
  background: var(--ns-kb-accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, .35);
  border-radius: 999px;
  padding: .7rem 1.1rem;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--ns-kb-transition);
}

.ns-kb-instant-trigger:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(37, 99, 235, .45);
}

.ns-kb-instant-panel {
  position: fixed;
  right: 1.2rem;
  bottom: 4.2rem;
  width: min(420px, calc(100vw - 2rem));
  z-index: 9999;
}

.ns-kb-instant-left.ns-kb-instant-trigger,
.ns-kb-instant-left.ns-kb-instant-panel {
  left: 1.2rem;
  right: auto;
}

.ns-kb-instant-right.ns-kb-instant-trigger,
.ns-kb-instant-right.ns-kb-instant-panel {
  right: 1.2rem;
  left: auto;
}

.ns-kb-instant-inner {
  border: 1px solid var(--ns-kb-border);
  background: var(--ns-kb-card);
  border-radius: var(--ns-kb-radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, .12);
  padding: .8rem;
}

.ns-kb-instant-tabs {
  display: flex;
  gap: .4rem;
  margin-bottom: .55rem;
}

.ns-kb-instant-tabs img {
  vertical-align: middle;
  margin-right: .25rem;
}

.ns-kb-instant-tab {
  border: 1px solid var(--ns-kb-border);
  border-radius: 8px;
  background: var(--ns-kb-card);
  padding: .25rem .55rem;
  cursor: pointer;
  transition: all var(--ns-kb-transition);
}

.ns-kb-instant-tab.is-active {
  background: var(--ns-kb-accent);
  color: #fff;
  border-color: var(--ns-kb-accent);
}

.ns-kb-instant-subtitle {
  margin: 0 0 .55rem;
  font-size: .85rem;
  color: var(--ns-kb-muted);
}

.ns-kb-instant-ask-form {
  display: grid;
  gap: .45rem;
}

.ns-kb-instant-ask-form input,
.ns-kb-instant-ask-form textarea,
.ns-kb-email-feedback input,
.ns-kb-email-feedback textarea {
  border: 1px solid var(--ns-kb-border);
  border-radius: 8px;
  padding: .5rem .6rem;
  width: 100%;
}

.ns-kb-instant-ask-form button,
.ns-kb-email-feedback button,
.ns-kb-title-copy {
  border: 1px solid var(--ns-kb-border);
  background: var(--ns-kb-card);
  border-radius: 8px;
  padding: .35rem .65rem;
  cursor: pointer;
  transition: all var(--ns-kb-transition);
}

.ns-kb-instant-ask-form button:hover,
.ns-kb-email-feedback button:hover {
  border-color: var(--ns-kb-accent);
  color: var(--ns-kb-accent);
}

.ns-kb-title-copy {
  margin-left: .4rem;
  font-size: .85rem;
}

.ns-kb-instant-input {
  width: 100%;
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  padding: .55rem .65rem;
}

.ns-kb-instant-result ul {
  margin: .5rem 0;
  padding-left: 0;
  list-style: none;
}

.ns-kb-instant-result li {
  margin: .35rem 0;
  background: var(--ns-kb-instant-card-bg, transparent);
  border: 1px solid var(--ns-kb-border);
  border-radius: 8px;
  padding: .45rem .6rem;
  transition: border-color var(--ns-kb-transition);
}

.ns-kb-instant-result li:hover {
  border-color: var(--ns-kb-accent);
}

/* ---------- Doc Footer ---------- */
.ns-kb-doc-footer {
  margin-top: 1rem;
  padding-top: .85rem;
  border-top: 1px solid var(--ns-kb-border);
}

.ns-kb-share-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .7rem;
}

.ns-kb-share-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ns-kb-share-color, var(--ns-kb-accent));
  transition: opacity var(--ns-kb-transition);
}

.ns-kb-share-link:hover {
  opacity: .75;
}

.ns-kb-prev-next {
  display: flex;
  justify-content: space-between;
  gap: .8rem;
  margin-top: .7rem;
}

.ns-kb-prev-next a {
  display: flex;
  flex-direction: column;
  padding: .65rem .9rem;
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ns-kb-text);
  transition: all var(--ns-kb-transition);
  flex: 1;
}

.ns-kb-prev-next a:hover {
  border-color: var(--ns-kb-accent);
  box-shadow: var(--ns-kb-shadow);
}

.ns-kb-prev-next .ns-kb-prev-label,
.ns-kb-prev-next .ns-kb-next-label {
  font-size: .78rem;
  color: var(--ns-kb-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ---------- AI Widgets ---------- */
.ns-kb-ai-summary {
  border: 1px solid var(--ns-kb-border);
  background: color-mix(in srgb, var(--ns-kb-card) 85%, var(--ns-kb-accent) 15%);
  border-left: 4px solid var(--ns-kb-accent);
  border-radius: 10px;
  padding: .6rem .75rem;
  margin: 0 0 .9rem;
}

.ns-kb-ai-open {
  position: fixed;
  right: 1.2rem;
  bottom: 7rem;
  z-index: 9997;
  border: 0;
  background: var(--ns-kb-accent);
  color: #fff;
  border-radius: 999px;
  padding: .55rem .9rem;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(37, 99, 235, .3);
  transition: all var(--ns-kb-transition);
}

.ns-kb-ai-open:hover {
  transform: scale(1.05);
}

.ns-kb-ai-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .4);
  z-index: 10000;
  display: grid;
  place-items: center;
  backdrop-filter: blur(4px);
}

.ns-kb-ai-modal-inner {
  width: min(760px, calc(100vw - 2rem));
  max-height: 80vh;
  overflow: auto;
  background: var(--ns-kb-card);
  border: 1px solid var(--ns-kb-border);
  border-radius: 18px;
  padding: 1.2rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .2);
}

.ns-kb-ai-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .7rem;
}

.ns-kb-ai-search-input {
  width: 100%;
  border: 1px solid var(--ns-kb-border);
  border-radius: 10px;
  padding: .55rem .7rem;
}

.ns-kb-ai-search-result {
  margin-top: .7rem;
  line-height: 1.6;
}

/* ---------- Chatbot ---------- */
.ns-kb-ai-chatbot {
  position: fixed;
  right: 1.2rem;
  bottom: 10.5rem;
  z-index: 9996;
}

.ns-kb-ai-chatbot-toggle {
  border: 0;
  background: var(--ns-kb-accent);
  color: #fff;
  border-radius: 999px;
  padding: .55rem .85rem;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(37, 99, 235, .3);
  transition: all var(--ns-kb-transition);
}

.ns-kb-ai-chatbot-toggle:hover {
  transform: scale(1.05);
}

.ns-kb-ai-chatbot-panel {
  display: none;
  width: min(380px, calc(100vw - 2rem));
  margin-top: .5rem;
  border: 1px solid var(--ns-kb-border);
  background: var(--ns-kb-card);
  border-radius: 16px;
  padding: .8rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .12);
}

.ns-kb-ai-chatbot.is-open .ns-kb-ai-chatbot-panel {
  display: block;
}

.ns-kb-ai-chatbot-log {
  max-height: 280px;
  overflow: auto;
  display: grid;
  gap: .45rem;
  margin-bottom: .5rem;
}

.ns-kb-ai-msg {
  border-radius: 12px;
  padding: .5rem .7rem;
  font-size: .9rem;
}

.ns-kb-ai-msg-user {
  background: color-mix(in srgb, var(--ns-kb-card) 78%, var(--ns-kb-accent) 22%);
}

.ns-kb-ai-msg-bot {
  background: var(--ns-kb-bg);
}

.ns-kb-ai-chatbot-form {
  display: grid;
  gap: .4rem;
}

.ns-kb-ai-chatbot-form input {
  border: 1px solid var(--ns-kb-border);
  border-radius: 8px;
  padding: .45rem .55rem;
}

.ns-kb-ai-chatbot-form button {
  border: 0;
  background: var(--ns-kb-accent);
  color: #fff;
  border-radius: 8px;
  padding: .45rem .6rem;
  cursor: pointer;
  font-weight: 600;
  transition: background var(--ns-kb-transition);
}

.ns-kb-ai-chatbot-form button:hover {
  background: var(--ns-kb-accent-dark);
}

/* ---------- Template Variants ---------- */
.ns-kb-style-soft-card .ns-kb-content,
.ns-kb-style-soft-card .ns-kb-card,
.ns-kb-style-soft-card .ns-kb-grid-item {
  box-shadow: var(--ns-kb-shadow);
}

.ns-kb-template-modern {
  --ns-kb-radius: 18px;
}

.ns-kb-template-modern .ns-kb-content,
.ns-kb-template-modern .ns-kb-card,
.ns-kb-template-modern .ns-kb-grid-item,
.ns-kb-template-modern .ns-kb-toc,
.ns-kb-template-modern .ns-kb-helpful {
  border-radius: 18px;
}

.ns-kb-template-minimal {
  --ns-kb-shadow: none;
}

.ns-kb-template-minimal .ns-kb-card,
.ns-kb-template-minimal .ns-kb-content,
.ns-kb-template-minimal .ns-kb-grid-item,
.ns-kb-template-minimal .ns-kb-search-inner,
.ns-kb-template-minimal .ns-kb-helpful,
.ns-kb-template-minimal .ns-kb-toc {
  box-shadow: none;
}

/* ---------- Category Card Color Presets ---------- */
.ns-kb-home-category-card:nth-child(6n+1) {
  --ns-kb-cat-color: #2563eb;
}

.ns-kb-home-category-card:nth-child(6n+2) {
  --ns-kb-cat-color: #7c3aed;
}

.ns-kb-home-category-card:nth-child(6n+3) {
  --ns-kb-cat-color: #059669;
}

.ns-kb-home-category-card:nth-child(6n+4) {
  --ns-kb-cat-color: #d97706;
}

.ns-kb-home-category-card:nth-child(6n+5) {
  --ns-kb-cat-color: #dc2626;
}

.ns-kb-home-category-card:nth-child(6n+6) {
  --ns-kb-cat-color: #0891b2;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {

  .ns-kb-layout,
  .ns-kb-layout.ns-kb-has-right-toc {
    grid-template-columns: 1fr;
  }

  .ns-kb-sticky {
    position: static;
  }

  .ns-kb-home-grid.columns-3,
  .ns-kb-home-grid.columns-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ns-kb-home-layout-box .ns-kb-home-categories,
  .ns-kb-home-layout-card .ns-kb-home-categories,
  .ns-kb-home-layout-modern .ns-kb-home-categories {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ns-kb-home-layout-handbook .ns-kb-home-categories {
    grid-template-columns: 1fr;
  }

  .ns-kb-hero {
    padding: 2.5rem 1rem 2rem;
  }
}

@media (max-width: 600px) {

  .ns-kb-home-grid.columns-2,
  .ns-kb-home-grid.columns-3,
  .ns-kb-home-grid.columns-4 {
    grid-template-columns: 1fr;
  }

  .ns-kb-home-layout-box .ns-kb-home-categories,
  .ns-kb-home-layout-card .ns-kb-home-categories,
  .ns-kb-home-layout-modern .ns-kb-home-categories,
  .ns-kb-home-layout-handbook .ns-kb-home-categories {
    grid-template-columns: 1fr;
  }

  .ns-kb-home-layout-masonry .ns-kb-home-categories {
    column-count: 1;
  }

  .ns-kb-layout-handbook {
    grid-template-columns: 1fr;
  }

  .ns-kb-handbook-icon-block {
    min-height: 80px;
  }

  .ns-kb-prev-next {
    flex-direction: column;
  }
}