/* ══════════════════════════════════════════════════════════════════
   No.JS Design System — 100% from design.pen
   Fonts: Space Grotesk (headings), Inter (body), JetBrains Mono (code)
   ══════════════════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --white: #FFFFFF;
  --surface: #F8FAFC;
  --surface-alt: #F1F5F9;
  --text: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-dim: #94A3B8;
  --primary: #0EA5E9;
  --primary-dark: #0284C7;
  --primary-light: #38BDF8;
  --primary-surface: #F0F9FF;
  --border: #E2E8F0;
  --code-bg: #0F172A;
  --code-surface: #1E293B;
  --error: #EF4444;
  --success: #22C55E;
  --warning: #F59E0B;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --header-h: 70px;
  --sidebar-w: 240px;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; cursor: pointer; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* ══════════════════════════════════════════════════════════════════
   LAYOUT — PageHeader / Sidebar / Content / Footer
   ══════════════════════════════════════════════════════════════════ */

/* ── PageHeader: 70px, white, border-bottom #E2E8F0, padding 0 80px ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 80px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img {
  height: 32px;
  width: auto;
}
.logo-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.logo-dot {
  color: var(--primary);
}
.header-version {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-bg, #F0F9FF);
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.3px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.header-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.header-nav a:hover,
.header-nav a.active {
  color: var(--text);
}
.header-nav .nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.header-nav .nav-cta:hover {
  background: var(--primary-dark);
}
.github-link {
  display: flex;
  align-items: center;
}
.github-link svg {
  width: 22px;
  height: 22px;
  color: var(--text-muted);
  transition: color 0.2s;
}
.github-link:hover svg {
  color: var(--text);
}
.sidebar-toggle {
  display: none;
  font-size: 24px;
  color: var(--text);
}

/* ── Sidebar: 240px, white bg, #E2E8F0 border-right ── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 24px 0;
  align-self: flex-start;
  position: sticky;
  top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 16px;
}
.sidebar-group {
  margin-bottom: 16px;
}
.sidebar-group-title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: bold;
  color: var(--text);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 8px 12px;
}
.sidebar-link {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: normal;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.sidebar-link:hover {
  color: var(--primary);
  background: var(--primary-surface);
}
.sidebar-link.active {
  color: var(--primary);
  font-weight: 500;
}
.sidebar-overlay {
  display: none;
}

/* ── Content area ── */
.content {
  padding-top: var(--header-h);
  min-height: 100vh;
}

/* ── Doc with sidebar layout (docs page) ── */
.doc-with-sidebar {
  display: flex;
  min-height: calc(100vh - var(--header-h));
}
.doc-with-sidebar .doc-main {
  flex: 1;
  min-width: 0;
}
.doc-with-sidebar .doc-main > [id] {
  animation: doc-section-fade ease both;
  animation-timeline: view();
}
@keyframes doc-section-fade {
  0%, 100% { opacity: 0; }
  15%, 85% { opacity: 1; }
}
.doc-with-sidebar .doc-main > [id],
.doc-with-sidebar .doc-main [id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* ── Footer (PageFooter: #0F172A bg) ── */
.footer {
  background: var(--code-bg);
  border-top: 1px solid var(--code-surface);
}
.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 80px;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}
.footer-brand {}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.footer-logo-img {
  height: 28px;
  filter: brightness(0) invert(1);
}
.footer-logo .logo-title {
  color: #F1F5F9;
}
.footer-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dim);
  max-width: 300px;
  line-height: 1.6;
}
.footer-cols {
  display: flex;
  gap: 64px;
}
.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--white);
}
.footer-divider {
  height: 1px;
  background: var(--code-surface);
  margin: 32px 0;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════════
   REUSABLE COMPONENTS (from design.pen Component Library)
   ══════════════════════════════════════════════════════════════════ */

/* ── Badge: rounded 100, #F0F9FF bg, Inter 13px 500, #0EA5E9 text ── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--primary-surface);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
}

/* ── HeroSection: #F8FAFC bg, center-aligned, padding 60/80, gap 20 ── */
.hero-section {
  background: var(--surface);
  padding: 60px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: bold;
  color: var(--text);
  text-align: center;
}
.hero-subtitle {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
}

/* ── SectionHeader: center-aligned, gap 16 ── */
.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
  text-align: center;
}
.section-title {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: bold;
  color: var(--text);
  text-align: center;
}
.section-subtitle {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--text-muted);
  text-align: center;
}

/* ── FeatureCard: #F8FAFC bg, gap 16, padding 32, border #E2E8F0 ── */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-surface);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 24px;
}
.feature-card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}
.feature-card-desc {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── CodeBlock: #0F172A bg, padding 24/28, JetBrains Mono 14px ── */
.code-block {
  background: var(--code-bg);
  border-radius: var(--radius);
  padding: 24px 28px;
  overflow-x: auto;
}
.code-block code,
.code-block pre {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: #E2E8F0;
  background: none;
  margin: 0;
  padding: 0;
}
.code-block .code-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
  display: block;
}
.code-block .code-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  margin-top: 16px;
}

/* Code inline */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary-dark);
}

/* ── HighlightItem: gap 10, center-aligned, icon + text ── */
.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.highlight-dot {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
}
.highlight-text {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
}

/* ── CTASection: #0F172A bg, padding 80, center, gap 20 ── */
.cta-section {
  background: var(--code-bg);
  padding: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.cta-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: bold;
  color: var(--white);
  text-align: center;
}
.cta-subtitle {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--text-dim);
  text-align: center;
}
.cta-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ── InfoCallout: #F0F9FF bg, left border 3px #0EA5E9 ── */
.callout {
  background: var(--primary-surface);
  border-left: 3px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.callout p {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── DocConceptCard: gap 8, padding 20/24, border #E2E8F0 ── */
.concept-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.concept-card-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.concept-card-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  padding: 14px 32px;
  font-size: 16px;
}
.btn-primary:hover {
  background: var(--primary-dark);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--text-dim);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid #334155;
}
.btn-ghost:hover {
  border-color: var(--text-dim);
}
.btn-cta-primary {
  background: var(--primary);
  color: var(--white);
  padding: 16px 36px;
  font-size: 16px;
}
.btn-cta-primary:hover {
  background: var(--primary-dark);
}
.btn-cta-secondary {
  background: transparent;
  color: var(--white);
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 500;
  border: 1px solid #334155;
}
.btn-cta-secondary:hover {
  border-color: var(--text-dim);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ══════════════════════════════════════════════════════════════════
   LANDING PAGE (from design.pen "Landing Page" AD7cM)
   ══════════════════════════════════════════════════════════════════ */

/* Hero: padding 100/80/80/80, gap 32 */
.landing-hero {
  padding: 100px 80px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
  padding-top: calc(100px + var(--header-h));
}
.landing-headline {
  font-family: var(--font-heading);
  font-size: 72px;
  font-weight: bold;
  color: var(--text);
  line-height: 1.1;
}
.landing-headline-accent {
  color: var(--primary);
}
.landing-subline {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--text-muted);
  max-width: 700px;
  text-align: center;
  line-height: 1.5;
}
.landing-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
/* Install tabs — 3-option install widget (CDN / npm / ESM) */
.install-tabs {
  background: var(--code-bg);
  border: 1px solid var(--code-surface);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 480px;
  max-width: 660px;
}
.install-tabs-nav {
  display: flex;
  background: var(--code-surface);
  border-bottom: 1px solid #334155;
}
.install-tab-btn {
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
  border-right: 1px solid #334155;
  transition: color 0.15s, background 0.15s;
}
.install-tab-btn:last-child {
  border-right: none;
}
.install-tab-btn:hover {
  color: #CBD5E1;
}
.install-tab-btn.active {
  color: var(--primary);
  background: var(--code-bg);
}
.install-tab-panel {
  padding: 14px 20px;
}
.install-tab-panel pre {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #E2E8F0;
  margin: 0;
  white-space: pre;
  overflow-x: auto;
}

/* Code Example Section: #F8FAFC bg, padding 80, gap 16 */
.landing-code-section {
  background: var(--surface);
  padding: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.landing-panels {
  display: flex;
  gap: 0;
  width: 100%;
  margin-top: 44px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.landing-code-panel {
  flex: 1;
  background: var(--code-bg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.landing-code-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
}
.landing-code-dots {
  font-size: 12px;
  color: var(--text-muted);
}
.landing-code-filename {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.landing-code-panel pre {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: #E2E8F0;
  margin: 0;
}
.landing-preview-panel {
  flex: 1;
  background: var(--white);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.landing-preview-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.landing-preview-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}
.landing-live-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--success);
}
.preview-user {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.preview-user-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.preview-user-email {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
}
.preview-divider {
  height: 1px;
  background: var(--border);
}

/* Features Section: white bg, padding 100/80, gap 60 */
.landing-features {
  padding: 100px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
}

/* Final CTA: #0F172A bg, padding 100/80, gap 24 */
.landing-cta {
  background: var(--code-bg);
  padding: 100px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.landing-cta-headline {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: bold;
  color: var(--white);
}
.landing-cta-sub {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--text-dim);
}
/* .landing-cta-install replaced by .install-tabs */

/* ── V7 Landing Sections ── */

/* Code Comparison */
.v7-code-compare {
  background: var(--surface);
  padding: 80px;
  padding-top: calc(80px + var(--header-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.v7-code-compare-title {
  font-family: var(--font-heading);
  font-size: 80px;
  font-weight: bold;
  color: var(--text);
  text-align: center;
  letter-spacing: -1px;
  line-height: 1.1;
}
.v7-code-compare-sub {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-muted);
  text-align: center;
}
.v7-panels {
  display: flex;
  gap: 24px;
  width: 100%;
}
.v7-panel {
  flex: 1;
  background: var(--code-bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.v7-panel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.v7-panel-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
}
.v7-panel-label--react { color: #F87171; }
.v7-panel-label--nojs { color: var(--primary); }
.v7-panel-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.v7-panel-code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #E2E8F0;
  margin: 0;
  white-space: pre;
  overflow-x: auto;
}
.v7-panel-code--nojs { color: #A5F3FC; }
.v7-ln {
  display: inline-block;
  width: 2.5ch;
  text-align: right;
  margin-right: 1.5ch;
  color: #475569;
  user-select: none;
  pointer-events: none;
  opacity: .45;
}
.v7-panel-note {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
}

/* Bundle Stats */
.v7-bundle {
  background: var(--white);
  padding: 100px 80px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.v7-bundle-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--primary-surface);
  border: 1px solid #BAE6FD;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
}
.v7-bundle-h1 {
  font-family: var(--font-heading);
  font-size: 64px;
  font-weight: bold;
  color: var(--text);
  letter-spacing: -2px;
}
.v7-bundle-h2 {
  font-family: var(--font-heading);
  font-size: 64px;
  font-weight: bold;
  color: var(--primary);
  letter-spacing: -2px;
}
.v7-bundle-sub {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--text-dim);
  max-width: 520px;
}
.v7-bundle-btns {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Philosophy Hero / Manifesto */
.v7-manifesto {
  background: var(--code-bg);
  padding: 120px 80px 100px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.v7-kicker {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #475569;
  text-transform: uppercase;
}
.v7-manifesto-h1 {
  font-family: var(--font-heading);
  font-size: 64px;
  font-weight: bold;
  color: var(--white);
  letter-spacing: -3px;
  max-width: 900px;
  line-height: 1.1;
}
.v7-manifesto-h2 {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: normal;
  color: var(--primary);
  letter-spacing: -1px;
  max-width: 800px;
}
.v7-divider {
  width: 120px;
  height: 3px;
  background: var(--primary);
}

/* Problem Editorial */
.v7-problem {
  background: var(--code-bg);
  padding: 80px;
  display: flex;
  flex-direction: column;
  gap: 60px;
  border-top: 1px solid var(--code-surface);
}
.v7-columns {
  display: flex;
  gap: 48px;
  width: 100%;
}
.v7-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.2em;
}
.v7-column p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.8;
}

/* Principles */
.v7-principles {
  background: #0A1020;
  padding: 80px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.v7-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
}
.v7-principle-card {
  background: var(--code-bg);
  border: 1px solid var(--code-surface);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.v7-principle-num {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: bold;
  color: var(--primary);
}
.v7-principle-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
}
.v7-principle-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Pull Quote */
.v7-quote {
  background: var(--surface);
  padding: 80px 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.v7-quote-text {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: bold;
  color: var(--primary);
  text-align: center;
  letter-spacing: -2px;
  line-height: 1.3;
  max-width: 900px;
  margin: 0;
}

/* ══════════════════════════════════════════════════════════════════
   FEATURES PAGE (from design.pen "Features Page" wejNg)
   ══════════════════════════════════════════════════════════════════ */

/* Showcase sections: 2-column, padding 80, gap 60 */
.showcase-section {
  display: flex;
  align-items: flex-start;
  gap: 60px;
  padding: 80px;
}
.showcase-section.alt {
  background: var(--surface);
  flex-direction: row-reverse;
}
.showcase-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.showcase-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: bold;
  color: var(--text);
}
.showcase-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.showcase-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.showcase-code {
  width: 500px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Stats strip: #F8FAFC bg, borders top/bottom, padding 44/80 */
.stats-strip {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 44px 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-value {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: bold;
  color: var(--primary);
  letter-spacing: -1px;
}
.stat-label {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
}

/* Showcase preview panel (stacked above code block inside .showcase-code) */
.showcase-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.showcase-section.alt .showcase-preview {
  background: var(--white);
}
.showcase-preview-label {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}
.showcase-preview-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 0;
}
.showcase-preview-output {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: bold;
  color: var(--text);
  text-align: center;
}
.showcase-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text);
  padding: 4px 0;
}
.showcase-list-item.inactive {
  color: var(--text-dim);
}
.showcase-list-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}
.showcase-list-dot.active {
  background: var(--primary);
}
.showcase-counter {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: bold;
  color: var(--text);
  text-align: center;
  letter-spacing: -2px;
}

/* Feature Grid Section: #F8FAFC bg, padding 80, gap 40 */
.feature-grid-section {
  background: var(--surface);
  padding: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

/* ══════════════════════════════════════════════════════════════════
   EXAMPLES PAGE (from design.pen "Examples Page" s4Y82)
   ══════════════════════════════════════════════════════════════════ */

/* Example section: padding 60/80, gap 32 */
.example-section {
  padding: 60px 80px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.example-section.alt {
  background: var(--surface);
}
.example-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.example-title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: bold;
  color: var(--text);
}
.example-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-muted);
}
.example-panels {
  display: flex;
  gap: 24px;
  width: 100%;
}
.example-code-panel {
  flex: 1;
  background: var(--code-bg);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.example-code-panel .code-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.example-code-panel pre {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: #E2E8F0;
  margin: 0;
}
.example-preview-panel {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

/* Preview panel item styles */
.preview-counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  height: 100%;
}
.preview-counter-value {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: bold;
  color: var(--text);
}
.preview-todo-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.preview-input {
  flex: 1;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dim);
  outline: none;
}
.preview-input:focus {
  border-color: var(--primary);
}
.preview-btn-add {
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
}
.preview-todo-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
}
.preview-todo-item:last-child {
  border-bottom: none;
}
.preview-todo-check {
  color: var(--primary);
  font-size: 18px;
}
.preview-todo-check.unchecked {
  color: var(--border);
}
.preview-user-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
}
.preview-user-card + .preview-user-card {
  border-top: 1px solid var(--border);
}
.preview-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}
.preview-user-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.preview-user-info-name {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.preview-user-info-email {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--text-dim);
}
.preview-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}
.preview-nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
}
.preview-nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.preview-route-content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.preview-route-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: bold;
  color: var(--text);
}
.preview-route-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════════
   DOCUMENTATION PAGE (from design.pen "Documentation Page" 30Pep)
   ══════════════════════════════════════════════════════════════════ */

/* Doc content area: padding 40/80/60/80, gap 48 */
.doc-content {
  padding: 40px 80px 60px;
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 900px;
}

/* Doc section titles */
.doc-title {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: bold;
  color: var(--text);
}
.doc-subtitle {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-top: 32px;
}
.doc-text {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.doc-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.doc-section + .doc-section {
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.doc-section > .doc-subtitle:first-child {
  margin-top: 0;
}

/* Concepts grid */
.concepts-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Next steps buttons */
.next-steps {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.next-steps .btn {
  padding: 10px 20px;
  font-size: 14px;
}

/* ══════════════════════════════════════════════════════════════════
   DOC PAGE TABLES
   ══════════════════════════════════════════════════════════════════ */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 14px;
  margin: 16px 0;
}
.doc-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
}
.doc-table td {
  padding: 10px 16px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}
.doc-table code {
  font-size: 13px;
}

/* ══════════════════════════════════════════════════════════════════
   SYNTAX HIGHLIGHTING (inside code blocks)
   ══════════════════════════════════════════════════════════════════ */
.hl-tag { color: #7DD3FC; }
.hl-attr { color: #FDE68A; }
.hl-str { color: #86EFAC; }
.hl-cmt { color: #64748B; font-style: italic; }
.hl-kw { color: #C4B5FD; }
.hl-fn { color: #FCA5A5; }
.hl-num { color: #FDE68A; }
.hl-op { color: #94A3B8; }
.hl-line-highlight { color: var(--primary); }

/* ══════════════════════════════════════════════════════════════════
   FORMS (used in live demos)
   ══════════════════════════════════════════════════════════════════ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.form-error {
  font-size: 12px;
  color: var(--error);
}
.input {
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.input:focus {
  border-color: var(--primary);
}
.select {
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  outline: none;
  width: 100%;
}
.textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  outline: none;
  resize: vertical;
  min-height: 80px;
  width: 100%;
}

/* ══════════════════════════════════════════════════════════════════
   DEMO COMPONENTS (for live interactive demos in doc pages)
   ══════════════════════════════════════════════════════════════════ */
.demo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 16px 0;
}
.demo-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.demo-card-header h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.demo-tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: var(--primary-surface);
  padding: 4px 8px;
  border-radius: 4px;
}
.demo-card-body {
  padding: 20px;
}
.demo-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 12px 0;
}
.demo-code {
  background: var(--code-bg);
  padding: 20px;
  overflow-x: auto;
}
.demo-code pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #E2E8F0;
}
.demo-preview {
  padding: 20px;
  background: var(--white);
  border-left: 1px solid var(--border);
}
.demo-result-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.demo-note {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════════
   UTILITY CLASSES
   ══════════════════════════════════════════════════════════════════ */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-lg { font-size: 18px; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.font-bold { font-weight: bold; }
.font-mono { font-family: var(--font-mono); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rounded { border-radius: var(--radius); }
.border-t { border-top: 1px solid var(--border); }
.w-full { width: 100%; }
.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ══════════════════════════════════════════════════════════════════
   CHEATSHEET
   ══════════════════════════════════════════════════════════════════ */
.cheatsheet-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.cheatsheet-group-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
}

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .header { padding: 0 24px; }
  .landing-hero { padding: 60px 24px 40px; padding-top: calc(60px + var(--header-h)); }
  .landing-headline { font-size: 48px; }
  .landing-code-section { padding: 40px 24px; }
  .landing-features { padding: 60px 24px; }
  .landing-cta { padding: 60px 24px; }
  .landing-cta-headline { font-size: 36px; }
  .hero-section { padding: 40px 24px; }
  .hero-title { font-size: 36px; }
  .section-title { font-size: 36px; }
  .showcase-section { flex-direction: column; padding: 40px 24px; }
  .showcase-section.alt { flex-direction: column; }
  .showcase-code { width: 100%; }
  .feature-grid-section { padding: 40px 24px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .example-section { padding: 40px 24px; }
  .example-panels { flex-direction: column; }
  .cta-section { padding: 40px 24px; }
  .cta-title { font-size: 28px; }
  .doc-content { padding: 24px; }
  .footer-inner { padding: 32px 24px; }
  .footer-row { flex-direction: column; gap: 32px; }
  .footer-cols { gap: 32px; }
  .landing-panels { flex-direction: column; }
  .v7-code-compare { padding: 40px 24px; padding-top: calc(40px + var(--header-h)); }
  .v7-code-compare-title { font-size: 48px; }
  .v7-panels { flex-direction: column; }
  .v7-bundle { padding: 60px 24px; }
  .v7-bundle-h1, .v7-bundle-h2 { font-size: 40px; }
  .v7-manifesto { padding: 60px 24px; }
  .v7-manifesto-h1 { font-size: 40px; }
  .v7-manifesto-h2 { font-size: 24px; }
  .v7-problem { padding: 40px 24px; }
  .v7-columns { flex-direction: column; gap: 32px; }
  .v7-principles { padding: 40px 24px; }
  .v7-principles-grid { grid-template-columns: repeat(2, 1fr); }
  .v7-quote { padding: 40px 24px; }
  .v7-quote-text { font-size: 32px; }
}

@media (max-width: 768px) {
  .doc-with-sidebar { flex-direction: column; }
  .sidebar { width: 100%; min-width: 100%; position: static; max-height: none; border-right: none; border-bottom: 1px solid var(--border); padding: 16px 0; }
  .content { margin-left: 0; }
  .footer { margin-left: 0; }
  .header-nav { display: none; }
  .landing-headline { font-size: 36px; }
  .landing-subline { font-size: 16px; }
  .landing-cta-row { flex-direction: column; }
  .features-grid { grid-template-columns: 1fr; }
  .showcase-title { font-size: 28px; }
  .cta-buttons { flex-direction: column; }
  .demo-split { grid-template-columns: 1fr; }
  .demo-preview { border-left: none; border-top: 1px solid var(--border); }
  .v7-code-compare-title { font-size: 36px; }
  .v7-bundle-h1, .v7-bundle-h2 { font-size: 32px; }
  .v7-bundle-btns { flex-direction: column; }
  .v7-manifesto-h1 { font-size: 32px; }
  .v7-manifesto-h2 { font-size: 20px; }
  .v7-principles-grid { grid-template-columns: 1fr; }
  .v7-quote-text { font-size: 24px; }
  .v7-quote { padding: 40px 16px; }
}

/* ── Cheatsheet responsive ── */
@media (max-width: 768px) {
  .doc-table { font-size: 12px; }
  .doc-table th, .doc-table td { padding: 8px 10px; }
}

/* ══════════════════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
  animation: fadeInUp 0.4s ease forwards;
}

/* ── Progress bar (for demos) ── */
.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s;
}

/* ── Alerts (for demos) ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.alert-info {
  background: var(--primary-surface);
  color: var(--primary-dark);
  border: 1px solid var(--primary);
}
.alert-error {
  background: #FEF2F2;
  color: var(--error);
  border: 1px solid var(--error);
}
.alert-success {
  background: #F0FDF4;
  color: #16A34A;
  border: 1px solid var(--success);
}

/* ── Misc demo support ── */
.item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.item-row:hover {
  background: var(--surface);
}
.item-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  width: 24px;
}
.item-name {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
}
.item-meta {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
  margin-left: auto;
}
.animate-pulse {
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.badge-success { background: #F0FDF4; color: var(--success); }
.badge-warning { background: #FFFBEB; color: var(--warning); }
.badge-primary { background: var(--primary-surface); color: var(--primary); }

.table {
  width: 100%;
  border-collapse: collapse;
}
.table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.btn-primary.btn-sm { background: var(--primary); color: var(--white); }
.btn-danger { background: var(--error); color: var(--white); }
.btn-success { background: var(--success); color: var(--white); }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}
.user-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

/* ─── Doc Section Skeletons ─────────────────────────────────────── */
@keyframes skl-shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}
.doc-skeleton {
  padding: 48px 0 64px;
}
.doc-skeleton > * {
  background: linear-gradient(90deg, var(--border) 25%, var(--surface) 50%, var(--border) 75%);
  background-size: 600px 100%;
  animation: skl-shimmer 1.5s infinite linear;
  border-radius: 6px;
  display: block;
}
.skl-badge  { width: 72px;  height: 22px; margin-bottom: 20px; }
.skl-h1     { width: 52%;   height: 36px; margin-bottom: 14px; }
.skl-sub    { width: 70%;   height: 18px; margin-bottom: 40px; }
.skl-code   { width: 100%;  height: 120px; border-radius: 10px; margin-bottom: 32px; }
.skl-h2     { width: 36%;   height: 24px; margin-bottom: 14px; }
.skl-line   { width: 100%;  height: 15px; margin-bottom: 10px; }
.skl-line.w85 { width: 85%; }
.skl-line.w65 { width: 65%; }
.skl-line.w50 { width: 50%; }
.skl-code.sm  { height: 80px; margin-top: 4px; }

/* Hide skeleton once real content has arrived */
.doc-with-sidebar .doc-main > [id]:has(.doc-section) .doc-skeleton,
.doc-with-sidebar .doc-main > [id]:has(.hero-section) .doc-skeleton {
  display: none;
}

/* ── Sidebar skeleton ── */
.sidebar-skeleton {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  align-self: flex-start;
  position: sticky;
  top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow: hidden;
}
.sidebar-skeleton-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 16px;
}
.skl-sidebar-group {
  margin-bottom: 16px;
}
.skl-sidebar-title {
  width: 55%;
  height: 11px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--border) 25%, #f1f5f9 50%, var(--border) 75%);
  background-size: 600px 100%;
  animation: skl-shimmer 1.5s infinite linear;
  border-radius: 4px;
}
.skl-sidebar-link {
  width: 100%;
  height: 12px;
  margin-bottom: 6px;
  background: linear-gradient(90deg, var(--border) 25%, #f1f5f9 50%, var(--border) 75%);
  background-size: 600px 100%;
  animation: skl-shimmer 1.5s infinite linear;
  border-radius: 4px;
}
.skl-sidebar-link.w85 { width: 85%; }
.skl-sidebar-link.w75 { width: 75%; }
.skl-sidebar-link.w65 { width: 65%; }

/* Hide sidebar skeleton once the real sidebar arrives */
.doc-with-sidebar:has(.sidebar) .sidebar-skeleton {
  display: none;
}