:root {
  --manual-primary: #0d9488;
  --manual-primary-dark: #0f766e;
  --manual-secondary: #0f172a;
  --manual-bg: #fafafa;
  --manual-card: #ffffff;
  --manual-text: #1a1a1a;
  --manual-muted: #5c5c5c;
  --manual-border: #e8e8e8;
  --manual-radius: 12px;
  --manual-max: 52rem;
  --manual-sidebar: 16rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, Cantarell, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--manual-text);
  background: var(--manual-bg);
}

.manual-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--manual-secondary);
  color: #fff;
  border-bottom: 3px solid var(--manual-primary);
  flex-wrap: wrap;
}

.manual-header-title {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  flex: 0 1 auto;
  min-width: 0;
}

.manual-header-title:hover {
  text-decoration: underline;
  color: #ffdcc4;
}

.manual-header-search-wrap {
  position: relative;
  flex: 1 1 14rem;
  max-width: 28rem;
  min-width: 10rem;
}

.manual-header-search {
  width: 100%;
  padding: 0.5rem 0.85rem;
  font-size: 0.92rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.manual-header-search::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

.manual-header-search:focus {
  outline: none;
  border-color: var(--manual-primary);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.35);
}

.manual-search-results {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  right: 0;
  z-index: 50;
  max-height: 18rem;
  overflow: auto;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--manual-border);
  box-shadow: 0 10px 28px rgba(30, 58, 95, 0.18);
}

.manual-search-hit {
  display: block;
  padding: 0.65rem 0.85rem;
  color: var(--manual-text);
  text-decoration: none;
  border-bottom: 1px solid var(--manual-border);
}

.manual-search-hit:last-child {
  border-bottom: none;
}

.manual-search-hit:hover,
.manual-search-hit:focus {
  background: #fff5f0;
  color: var(--manual-primary-dark);
  outline: none;
}

.manual-search-hit-label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
}

.manual-search-hit-path {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  color: var(--manual-muted);
}

.manual-search-empty {
  margin: 0;
  padding: 0.85rem;
  font-size: 0.88rem;
  color: var(--manual-muted);
}

.manual-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.manual-nav-toggle {
  display: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
}

.manual-nav-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.manual-layout {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100dvh - 8rem);
}

.manual-nav {
  width: var(--manual-sidebar);
  flex-shrink: 0;
  padding: 1.25rem 0 1.25rem 1rem;
  border-right: 1px solid var(--manual-border);
  background: var(--manual-card);
}

.manual-nav a {
  display: block;
  padding: 0.5rem 0.75rem;
  margin-bottom: 2px;
  border-radius: 8px;
  color: var(--manual-text);
  text-decoration: none;
  font-size: 0.92rem;
}

.manual-nav a:hover {
  background: #fff5f0;
  color: var(--manual-primary-dark);
}

.manual-nav a.is-active {
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.15), transparent);
  color: var(--manual-primary-dark);
  font-weight: 600;
  border-left: 3px solid var(--manual-primary);
  padding-left: calc(0.75rem - 3px);
}

.manual-nav-section {
  margin-top: 1rem;
  padding: 0 0.75rem 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--manual-muted);
}

.manual-nav-group {
  margin-bottom: 2px;
}

.manual-nav-group > a.manual-nav-link--module {
  font-weight: 600;
  color: var(--manual-secondary);
}

.manual-nav-sub {
  margin: 0 0 0.35rem 0.4rem;
  padding-left: 0.6rem;
  border-left: 1px solid var(--manual-border);
}

.manual-nav-link--sub {
  font-size: 0.86rem;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  color: var(--manual-muted);
}

.manual-nav-link--sub.is-active {
  color: var(--manual-primary-dark);
}

.manual-breadcrumb {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--manual-muted);
}

.manual-breadcrumb a {
  color: var(--manual-primary-dark);
  text-decoration: none;
}

.manual-breadcrumb a:hover {
  text-decoration: underline;
}

.manual-feature-grid {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .manual-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.manual-feature-grid a {
  display: block;
  padding: 0.7rem 0.9rem;
  border-radius: var(--manual-radius);
  background: var(--manual-card);
  border: 1px solid var(--manual-border);
  color: var(--manual-secondary);
  text-decoration: none;
  font-weight: 500;
}

.manual-feature-grid a:hover {
  border-color: var(--manual-primary);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.12);
}

.manual-feature-grid span {
  display: block;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--manual-muted);
}

.manual-main {
  flex: 1;
  min-width: 0;
  padding: 1.5rem 1.75rem 3rem;
  max-width: var(--manual-max);
}

.manual-main h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  line-height: 1.25;
  color: var(--manual-secondary);
}

.manual-lead {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  color: var(--manual-muted);
}

.manual-main h2 {
  margin: 2rem 0 0.75rem;
  padding-top: 0.5rem;
  font-size: 1.2rem;
  color: var(--manual-secondary);
  border-bottom: 2px solid var(--manual-primary);
  padding-bottom: 0.35rem;
}

.manual-main h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
  color: var(--manual-text);
}

.manual-main p,
.manual-main li {
  color: var(--manual-muted);
}

.manual-main ul,
.manual-main ol {
  margin: 0.5rem 0 1rem 1.25rem;
  padding: 0;
}

.manual-main li + li {
  margin-top: 0.35rem;
}

.manual-note {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border-radius: var(--manual-radius);
  background: #fff8f3;
  border: 1px solid #ffd4c0;
  font-size: 0.95rem;
  color: var(--manual-muted);
}

.manual-scenarios {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 0 0 1.5rem;
}

.manual-scenario {
  margin: 0;
  padding: 0.9rem 1rem 1rem;
  border-radius: var(--manual-radius);
  background: var(--manual-card);
  border: 1px solid var(--manual-border);
  border-left: 4px solid var(--manual-primary);
}

.manual-scenario-title {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--manual-secondary);
}

.manual-scenario-steps {
  margin: 0;
  display: grid;
  gap: 0.5rem 0.75rem;
}

@media (min-width: 520px) {
  .manual-scenario-steps {
    grid-template-columns: auto 1fr;
    align-items: baseline;
  }
}

.manual-scenario-steps dt {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--manual-primary-dark);
}

.manual-scenario-steps dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--manual-muted);
}

.manual-scenario-steps dt:nth-of-type(3) {
  color: #1a6b3a;
}

.manual-scenario-steps dd:nth-of-type(3) {
  color: var(--manual-text);
  font-weight: 500;
}

.manual-footer {
  margin-top: auto;
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--manual-muted);
  border-top: 1px solid var(--manual-border);
  background: var(--manual-card);
}

.manual-toc {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.manual-toc li {
  list-style: none;
  margin: 0;
}

@media (min-width: 640px) {
  .manual-toc {
    grid-template-columns: repeat(2, 1fr);
  }
}

.manual-toc a {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: var(--manual-radius);
  background: var(--manual-card);
  border: 1px solid var(--manual-border);
  color: var(--manual-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.manual-toc a:hover {
  border-color: var(--manual-primary);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.12);
}

.manual-main--wide {
  max-width: none;
}

.manual-map-meta {
  margin: 0 0 1.5rem;
  font-size: 0.88rem;
  color: var(--manual-muted);
}

.manual-map-meta code {
  font-size: 0.85em;
}

.manual-map-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--manual-card);
  border: 1px solid var(--manual-border);
  border-radius: var(--manual-radius);
}

.manual-map-summary li {
  margin: 0;
  color: var(--manual-muted);
}

.manual-map-container {
  margin-bottom: 2rem;
}

.manual-map-tree,
.manual-map-children {
  list-style: none;
  margin: 0;
  padding: 0;
}

.manual-map-tree {
  background: var(--manual-card);
  border: 1px solid var(--manual-border);
  border-radius: var(--manual-radius);
  padding: 0.75rem 0;
}

.manual-map-item {
  margin: 0;
}

.manual-map-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid #f0f0f0;
}

.manual-map-item:last-child > .manual-map-row {
  border-bottom: none;
}

.manual-map-children .manual-map-row {
  padding-left: calc(1rem + var(--depth, 0) * 1.25rem);
  background: #fafafa;
}

.manual-map-children .manual-map-children .manual-map-row {
  background: #f5f5f5;
}

.manual-map-item[data-depth='1'] > .manual-map-row { padding-left: 1.75rem; }
.manual-map-item[data-depth='2'] > .manual-map-row { padding-left: 2.5rem; }

.manual-map-name {
  font-weight: 600;
  color: var(--manual-secondary);
  min-width: 10rem;
}

.manual-map-route {
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
  color: var(--manual-muted);
  background: #f0f4f8;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
}

.manual-map-route--muted {
  background: transparent;
  font-family: inherit;
  font-style: italic;
}

.manual-map-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--manual-primary-dark);
  background: #fff5f0;
  border: 1px solid #ffd4c0;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.manual-map-manual {
  font-size: 0.85rem;
  color: var(--manual-primary-dark);
  text-decoration: none;
  margin-left: auto;
}

.manual-map-manual:hover {
  text-decoration: underline;
}

.manual-modules-grid {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .manual-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .manual-modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.manual-toc-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--manual-radius);
  background: var(--manual-card);
  border: 1px solid var(--manual-border);
  color: var(--manual-secondary);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.manual-toc-card span {
  font-size: 0.88rem;
  color: var(--manual-muted);
  font-weight: 400;
}

.manual-toc-card:hover {
  border-color: var(--manual-primary);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.12);
}

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

@media (max-width: 900px) {
  .manual-nav-toggle {
    display: inline-block;
  }

  .manual-header-search-wrap {
    order: 3;
    flex: 1 1 100%;
    max-width: none;
  }

  .manual-layout {
    flex-direction: column;
  }

  .manual-nav {
    display: none;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--manual-border);
    padding: 0.5rem 1rem 1rem;
  }

  .manual-nav.is-open {
    display: block;
  }

  .manual-main {
    padding: 1.25rem 1rem 2rem;
  }
}