:root {
  --drc-brand: #4d8687;
  --drc-interactive-brand: #4d8687;
  --drc-brand-gradient: linear-gradient(90deg, var(--drc-brand), var(--drc-brand));
}

html[data-theme="light"] {
  --pst-color-background: #f6f8fb;
  --pst-color-on-background: #ffffff;
  --pst-color-surface: #ffffff;
  --pst-color-border: #d6dee8;
  --pst-color-text-base: #18212b;
  --pst-color-text-muted: #5a6674;
  --drc-brand-strong: color-mix(in srgb, var(--drc-interactive-brand) 82%, black);
  --drc-brand-soft: color-mix(in srgb, var(--drc-brand) 10%, white);
  --drc-brand-muted: color-mix(in srgb, var(--drc-brand) 18%, white);
  --drc-brand-border: color-mix(in srgb, var(--drc-brand) 42%, var(--pst-color-border));
  --drc-link: color-mix(in srgb, var(--drc-interactive-brand) 82%, black);
  --drc-link-hover: color-mix(in srgb, var(--drc-interactive-brand) 68%, black);
  --drc-panel-bg: #ffffff;
  --drc-panel-elevated: color-mix(in srgb, var(--drc-brand) 4%, #ffffff);
  --pst-color-primary: var(--drc-interactive-brand);
  --pst-color-accent: var(--drc-interactive-brand);
  --pst-color-link: var(--drc-link);
  --pst-color-link-hover: var(--drc-link-hover);
}

html[data-theme="dark"] {
  --pst-color-secondary: #a5afb8;
  --pst-color-background: #111318;
  --pst-color-on-background: #171b21;
  --pst-color-surface: #1d222a;
  --pst-color-border: #353d48;
  --pst-color-text-base: #e6ebef;
  --pst-color-text-muted: #acb5be;
  --drc-brand-strong: color-mix(in srgb, var(--drc-interactive-brand) 78%, white);
  --drc-brand-soft: color-mix(in srgb, var(--drc-brand) 10%, var(--pst-color-on-background));
  --drc-brand-muted: color-mix(in srgb, var(--drc-brand) 18%, var(--pst-color-surface));
  --drc-brand-border: color-mix(in srgb, var(--drc-brand) 46%, var(--pst-color-border));
  --drc-link: color-mix(in srgb, var(--drc-interactive-brand) 78%, white);
  --drc-link-hover: color-mix(in srgb, var(--drc-interactive-brand) 58%, white);
  --drc-panel-bg: var(--pst-color-surface);
  --drc-panel-elevated: color-mix(in srgb, var(--drc-brand) 6%, var(--pst-color-surface));
  --pst-color-primary: var(--drc-brand-strong);
  --pst-color-accent: var(--drc-brand-strong);
  --pst-color-link: var(--drc-link);
  --pst-color-link-hover: var(--drc-link-hover);
}

.bd-header {
  position: relative;
  border-bottom: 1px solid color-mix(in srgb, var(--drc-brand) 14%, var(--pst-color-border));
}

.bd-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background-image: var(--drc-brand-gradient);
}

.navbar-brand img {
  max-height: 2.7rem;
  border-radius: 0.9rem;
  border: 1px solid var(--drc-brand-border);
  background: var(--drc-panel-bg);
}

a:hover {
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.12em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--drc-brand-strong);
  outline-offset: 3px;
  border-radius: 0.45rem;
}

.bd-sidebar-primary .nav-link,
.bd-sidebar-primary a.reference.internal,
.bd-toc-nav a,
nav.bd-toc-nav a {
  border: 1px solid transparent;
  border-radius: 0.75rem;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease;
}

.bd-sidebar-primary .nav-link:hover,
.bd-sidebar-primary a.reference.internal:hover,
.bd-toc-nav a:hover,
nav.bd-toc-nav a:hover {
  background: var(--drc-brand-soft);
}

.bd-sidebar-primary .nav-link.current,
.bd-sidebar-primary .nav-link.active,
.bd-sidebar-primary .current > .nav-link,
.bd-sidebar-primary a.reference.internal.current,
.bd-sidebar-primary .current > a.reference.internal,
.bd-toc-nav a.active,
nav.bd-toc-nav .active > a {
  background: var(--drc-brand-muted);
  border-color: var(--drc-brand-border);
}

.search-button__button,
button.search-button-field,
.bd-search input.form-control {
  border: 1px solid var(--drc-brand-border);
  background: color-mix(in srgb, var(--drc-brand) 5%, var(--drc-panel-bg));
}

.search-button__button:hover,
button.search-button-field:hover {
  background: var(--drc-brand-soft);
}

.bd-search input.form-control:focus {
  border-color: var(--drc-brand-strong);
  box-shadow: none;
  outline: 2px solid var(--drc-brand-border);
  outline-offset: 2px;
}

button.copybtn {
  border-radius: 999px;
  border: 1px solid var(--drc-brand-border);
  background: color-mix(in srgb, var(--drc-brand) 5%, var(--drc-panel-bg));
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease;
}

button.copybtn:hover {
  background: var(--drc-brand-soft);
  border-color: var(--drc-brand-strong);
}

.drc-home-badges {
  margin: 1.25rem 0 1rem;
  padding: 1rem;
  border: 1px solid transparent;
  border-radius: 1.15rem;
  background:
    linear-gradient(180deg, var(--drc-panel-bg), var(--drc-panel-elevated)) padding-box,
    var(--drc-brand-gradient) border-box;
}

.drc-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.drc-badge-link {
  line-height: 0;
  display: inline-flex;
  padding: 0.15rem;
  border-radius: 999px;
  transition: background-color 0.18s ease;
}

.drc-badge-link:hover {
  background: var(--drc-brand-soft);
}

.drc-badge-row img {
  height: 20px;
  vertical-align: middle;
}

.drc-home-callout {
  margin: 1.25rem 0 1.5rem;
}

.drc-home-callout .admonition {
  margin-bottom: 0;
  border: 1px solid var(--drc-brand-border);
  border-left: 4px solid var(--drc-brand-strong);
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--drc-panel-elevated), var(--drc-panel-bg));
}

.drc-home-callout .admonition-title {
  color: var(--drc-link);
  font-weight: 700;
}

.drc-home-ecosystem {
  margin: 1.75rem 0 2rem;
  padding: 1rem;
  border: 1px solid transparent;
  border-radius: 1.25rem;
  background:
    linear-gradient(180deg, var(--drc-panel-bg), var(--drc-panel-elevated)) padding-box,
    var(--drc-brand-gradient) border-box;
}

.drc-home-ecosystem .drc-ecosystem-figure {
  display: block;
  width: 100%;
  border-radius: 0.9rem;
  background: transparent !important;
  filter: none !important;
}

html[data-theme="dark"] .bd-content img.drc-ecosystem-figure {
  background: transparent !important;
  filter: none !important;
}

@media (max-width: 768px) {
  .navbar-brand img {
    max-height: 2.45rem;
  }

  .drc-home-badges,
  .drc-home-ecosystem {
    padding: 0.85rem;
  }
}