:root {
  --pst-color-primary: #db7a1c;
  --pst-color-link: #0d5e8a;
  --pst-color-link-hover: #094460;
  --swc-border: #e4e0d9;
  --swc-surface: #fffdf9;
  --swc-surface-soft: #f7f4ee;
}

html[data-theme="light"] body {
  background: linear-gradient(180deg, #fffefb 0%, #f9f6ef 100%);
}

.bd-header {
  background: rgba(255, 252, 247, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--swc-border);
  box-shadow: 0 12px 28px rgba(45, 34, 18, 0.06);
}

.navbar-brand.logo {
  gap: 0.85rem;
}

.navbar-brand.logo img.logo__image {
  max-height: 2.8rem;
  width: auto;
}

.navbar-brand.logo .logo__title {
  margin-bottom: 0;
  font-weight: 700;
}

.bd-header .navbar-nav > li > a,
.bd-header .navbar-nav .nav-link {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.bd-header .navbar-nav > .current > .nav-link,
.bd-header .navbar-nav > li.current > a,
.bd-header .navbar-nav > li > a:hover,
.bd-header .navbar-nav .nav-link:hover {
  color: var(--pst-color-primary);
}

.bd-header .navbar-nav > .current > .nav-link,
.bd-header .navbar-nav > li.current > a {
  border-bottom: 3px solid var(--pst-color-primary);
}

.bd-page-width {
  max-width: 1700px;
}

.bd-main .bd-content .bd-article-container {
  max-width: 920px;
}

.bd-sidebar-primary {
  background: var(--swc-surface-soft);
  border-right: 1px solid var(--swc-border);
}

.bd-sidebar-primary,
.bd-sidebar-secondary {
  top: 5rem;
}

.bd-links__title,
.page-toc.tocsection.onthispage {
  font-size: 1.55rem;
  font-weight: 800;
  color: #22252d;
}

.page-toc.tocsection.onthispage {
  font-size: 1.15rem;
}

.bd-sidebar-primary .nav-link,
.bd-toc-nav .nav-link {
  border-left: 3px solid transparent;
  color: #44516c;
  font-weight: 500;
}

.bd-sidebar-primary .nav-link:hover,
.bd-toc-nav .nav-link:hover {
  color: var(--pst-color-primary);
}

.bd-sidebar-primary .current > .nav-link,
.bd-sidebar-primary .active > .nav-link,
.bd-sidebar-primary .nav-link.active,
.bd-toc-nav .active > .nav-link,
.bd-toc-nav .nav-link.active {
  border-left-color: var(--pst-color-primary);
  color: var(--pst-color-primary);
  font-weight: 700;
}

.bd-sidebar-primary .toctree-checkbox ~ label i,
.bd-sidebar-primary label i {
  color: #4c5565;
}

.bd-article-container {
  padding-top: 2rem;
}

.bd-article-container h1 {
  font-size: clamp(2.7rem, 3.6vw, 4.1rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 1.4rem;
}

.bd-article-container h2 {
  font-size: clamp(1.8rem, 2.2vw, 2.7rem);
  font-weight: 760;
  letter-spacing: -0.03em;
  margin-top: 2.4rem;
}

.bd-article-container p,
.bd-article-container li {
  font-size: 1.05rem;
  line-height: 1.72;
}

.bd-article-container a,
.bd-article-container a.reference.internal,
.bd-article-container a.reference.external {
  color: var(--pst-color-link);
  text-decoration: underline;
  text-underline-offset: 0.12em;
  text-decoration-thickness: 0.08em;
}

.bd-article-container a:hover,
.bd-article-container a.reference.internal:hover,
.bd-article-container a.reference.external:hover {
  color: var(--pst-color-link-hover);
}

.bd-content .sd-card,
.bd-content .admonition,
.highlight {
  border-radius: 16px;
}

.highlight,
div.highlight {
  background: #fbfaf7;
  border: 1px solid var(--swc-border);
}

.bd-article-container img {
  border: 1px solid var(--swc-border);
  border-radius: 18px;
  box-shadow: 0 16px 38px rgba(50, 40, 24, 0.08);
  margin: 1rem 0 0.6rem;
}

#ethical-ad-placement {
  display: none !important;
}

@media (max-width: 991.98px) {
  .bd-sidebar-primary {
    border-right: 0;
  }

  .bd-sidebar-primary,
  .bd-sidebar-secondary {
    top: 0;
  }
}