:root {
  --lnc-bg: #f7f8fa;
  --lnc-surface: #ffffff;
  --lnc-surface-soft: #eef2f7;
  --lnc-ink: #1f2328;
  --lnc-ink-soft: #4b5563;
  --lnc-brand: #0b6e99;
  --lnc-brand-strong: #0d4f73;
  --lnc-accent: #e39b26;
  --lnc-border: #dbe3ed;
}

body {
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fc 100%);
  color: var(--lnc-ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.navbar {
  background: linear-gradient(100deg, #102a43 0%, #163f63 55%, #0b6e99 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* Keep header single-level and prevent stacked fixed bars from overlapping content. */
.subnav {
  display: none !important;
}

.body-content {
  padding-top: 24px;
}

.container,
.container-fluid,
.content.wrap,
.article,
.article.grid-right {
  max-width: none;
}

.container,
.container-fluid {
  width: 100%;
}

.navbar .navbar-brand,
.navbar .navbar-nav > li > a,
.navbar .navbar-text,
.navbar .navbar-link {
  color: #f6fbff !important;
}

.navbar .navbar-nav > li > a:hover,
.navbar .navbar-nav > li > a:focus {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.12) !important;
}

.navbar-form .form-control {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.95);
}

.subnav,
.sidetoc,
.toc {
  background-color: var(--lnc-surface) !important;
}

.sidetoc {
  border-right: 1px solid var(--lnc-border);
}

.sidetoc .toc .level1 > li > a,
.sidetoc .toc .level2 > li > a {
  border-radius: 8px;
  margin: 2px 6px;
}

.sidetoc .toc .level1 > li.active > a,
.sidetoc .toc .level2 > li.active > a,
.sidetoc .toc .level1 > li > a:hover,
.sidetoc .toc .level2 > li > a:hover {
  background: #e7f4fb;
  color: var(--lnc-brand-strong);
}

.article.grid-right {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 20px 28px;
  margin-top: 0;
  margin-bottom: 10px;
}

h1,
h2,
h3 {
  color: #0e3555;
}

h1 {
  font-weight: 700;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--lnc-border);
  padding-bottom: 12px;
}

a {
  color: var(--lnc-brand);
}

a:hover,
a:focus {
  color: var(--lnc-brand-strong);
}

blockquote {
  border-left: 4px solid var(--lnc-accent);
  background: #fffaf0;
}

table {
  border: 1px solid var(--lnc-border);
}

thead {
  background: #e9f0f8;
}

.footer {
  background: #102a43;
  color: #c8d9ea;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

@media (max-width: 991px) {
  .article.grid-right {
    padding: 16px;
  }
}