/* CID Router documentation theme, following the computing.id look:
   white header with a hairline border, slate text, Computing ID blue,
   navy dark mode. */

:root,
[data-md-color-scheme="default"] {
  --cid-blue: #2563eb;
  --cid-blue-dark: #1548c4;
  --cid-ink: #0f172a;
  --cid-slate: #475569;
  --cid-line: #e2e8f0;
  --cid-soft: #f8fafc;
  --cid-header-bg: rgba(255, 255, 255, 0.92);
  --cid-header-fg: #475569;
  --cid-header-active: #0f172a;
  --cid-search-bg: #f1f5f9;

  --md-primary-fg-color: var(--cid-blue);
  --md-primary-fg-color--light: #3b82f6;
  --md-primary-fg-color--dark: var(--cid-blue-dark);
  --md-accent-fg-color: var(--cid-blue-dark);
  --md-accent-fg-color--transparent: rgba(37, 99, 235, 0.08);
  --md-typeset-a-color: var(--cid-blue);
}

[data-md-color-scheme="slate"] {
  --cid-blue: #3b82f6;
  --cid-blue-dark: #60a5fa;
  --cid-ink: #f1f5f9;
  --cid-slate: #94a3b8;
  --cid-line: #1e293b;
  --cid-soft: #0b1229;
  --cid-header-bg: rgba(1, 7, 33, 0.92);
  --cid-header-fg: #cbd5e1;
  --cid-header-active: #ffffff;
  --cid-search-bg: #111a33;

  --md-primary-fg-color: var(--cid-blue);
  --md-primary-fg-color--light: #60a5fa;
  --md-primary-fg-color--dark: #1d4ed8;
  --md-accent-fg-color: #60a5fa;
  --md-accent-fg-color--transparent: rgba(59, 130, 246, 0.12);
  --md-default-bg-color: #010721;
  --md-code-bg-color: #0b1229;
  --md-typeset-a-color: #60a5fa;
}

/* ---- Header: plain, white (navy in dark mode), hairline border ---- */
.md-header {
  background-color: var(--cid-header-bg);
  color: var(--cid-header-fg);
  backdrop-filter: saturate(180%) blur(8px);
  box-shadow: none;
  border-bottom: 1px solid var(--cid-line);
}

.md-header--shadow {
  box-shadow: none;
}

.md-tabs {
  background-color: var(--cid-header-bg);
  color: var(--cid-header-fg);
  border-bottom: 1px solid var(--cid-line);
}

.md-tabs__link {
  opacity: 1;
  font-weight: 500;
  color: var(--cid-header-fg);
}

.md-tabs__item--active .md-tabs__link,
.md-tabs__link:hover {
  color: var(--cid-header-active);
}

.md-tabs__item--active .md-tabs__link {
  box-shadow: inset 0 -2px 0 var(--cid-blue);
}

.md-header__title {
  font-weight: 700;
  color: var(--cid-header-active);
}

.md-header__button,
.md-header__option,
.md-source {
  color: var(--cid-header-fg);
}

/* Computing ID wordmark (light / dark variants from overrides/partials/logo.html) */
.md-header__button.md-logo {
  padding-right: 0.2rem;
}

.md-header__button.md-logo img.cid-logo,
.md-nav__button.md-logo img.cid-logo {
  height: 1.55rem;
  width: auto;
}

/* Material sets `.md-header__button.md-logo img { display: block }`, so these
   selectors must be at least as specific. */
.md-header__button.md-logo img.cid-logo--dark,
.md-nav__button.md-logo img.cid-logo--dark {
  display: none;
}

[data-md-color-scheme="slate"] .md-header__button.md-logo img.cid-logo--light,
[data-md-color-scheme="slate"] .md-nav__button.md-logo img.cid-logo--light {
  display: none;
}

[data-md-color-scheme="slate"] .md-header__button.md-logo img.cid-logo--dark,
[data-md-color-scheme="slate"] .md-nav__button.md-logo img.cid-logo--dark {
  display: block;
}

/* Search field on a light header */
.md-search__form {
  background-color: var(--cid-search-bg);
  border: 1px solid var(--cid-line);
  border-radius: 8px;
}

.md-search__form:hover {
  background-color: var(--cid-search-bg);
}

.md-search__input,
.md-search__input::placeholder,
.md-search__icon {
  color: var(--cid-header-fg);
}

[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  background-color: var(--md-default-bg-color);
}

/* ---- Type ---- */
.md-typeset h1 {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--cid-ink);
}

.md-typeset h2 {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cid-ink);
  border-bottom: 1px solid var(--cid-line);
  padding-bottom: 0.3em;
}

.md-typeset h3 {
  font-weight: 650;
  color: var(--cid-ink);
}

/* ---- Home hero ---- */
.cid-hero {
  border-radius: 16px;
  padding: 2.4rem 2rem;
  margin: 0 0 1.6rem;
  background-color: var(--cid-soft);
  background-image: radial-gradient(var(--cid-line) 1px, transparent 1px);
  background-size: 18px 18px;
  border: 1px solid var(--cid-line);
}

.md-typeset .cid-hero h1 {
  margin: 0 0 0.4rem;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--cid-ink);
}

.md-typeset .cid-hero h1 .cid-accent {
  color: var(--cid-blue);
}

.md-typeset .cid-hero .headerlink {
  display: none;
}

.cid-hero p {
  font-size: 0.95rem;
  max-width: 46rem;
  margin: 0.4rem 0 1.2rem;
  color: var(--cid-slate);
}

.cid-hero .md-button {
  margin: 0.2rem 0.4rem 0.2rem 0;
  border-radius: 10px;
  font-weight: 600;
}

.md-typeset .md-button--primary {
  background-color: var(--cid-blue);
  border-color: var(--cid-blue);
  color: #fff;
}

.md-typeset .md-button--primary:hover {
  background-color: var(--cid-blue-dark);
  border-color: var(--cid-blue-dark);
}

.cid-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}

.cid-badges span {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.18rem 0.65rem;
  border-radius: 999px;
  background: var(--md-default-bg-color);
  color: var(--cid-slate);
  border: 1px solid var(--cid-line);
}

.cid-badges span::before {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  margin-right: 0.35rem;
  background: #22c55e;
  vertical-align: middle;
}

/* ---- Cards ---- */
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  border-radius: 12px;
  border: 1px solid var(--cid-line);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid > .card:hover {
  border-color: var(--cid-blue);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}

/* ---- Diagrams and screenshots ---- */
.md-typeset img.diagram {
  display: block;
  margin: 1rem auto;
  max-width: 100%;
}

.md-typeset img.screenshot {
  display: block;
  margin: 1rem auto;
  border-radius: 10px;
  border: 1px solid var(--cid-line);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.18);
  max-width: 100%;
}

/* ---- Tables ---- */
.md-typeset table:not([class]) {
  border-radius: 10px;
  overflow: hidden;
  font-size: 0.74rem;
  border: 1px solid var(--cid-line);
}

.md-typeset table:not([class]) th {
  background: var(--cid-soft);
  color: var(--cid-ink);
}

/* ---- Numbered steps ---- */
.md-typeset .steps > ol {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.md-typeset .steps > ol > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.4rem;
  margin-bottom: 1rem;
}

.md-typeset .steps > ol > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.75rem;
  color: #fff;
  background: var(--cid-blue);
}

/* ---- Mobile drawer: same plain look as the header ---- */
.md-nav--primary .md-nav__title[for="__drawer"] {
  background-color: var(--md-default-bg-color);
  color: var(--cid-header-active);
  border-bottom: 1px solid var(--cid-line);
}

.md-nav__source {
  background-color: var(--cid-soft);
  color: var(--cid-header-fg);
  border-bottom: 1px solid var(--cid-line);
}