/* Openterface docs brand — aligned with openterface_en / openterface_news */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600;700&display=swap');
@import url('tokens.css');

:root {
  --md-primary-fg-color: var(--op-primary-dark);
  --md-primary-fg-color--light: var(--op-primary);
  --md-primary-fg-color--dark: var(--op-brand);
  --md-accent-fg-color: var(--op-brand);
  --md-header-height: 3.5rem;
  --md-tabs-height: 2.4rem;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--op-primary-dark);
  --md-accent-fg-color: var(--op-brand);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: var(--op-primary);
  --md-accent-fg-color: var(--op-primary-dark);
}

body {
  font-family: var(--op-font-sans);
}

/* ── Unified site header (matches marketing/news SiteHeader) ── */

.op-site-header {
  position: sticky;
  top: 0;
  z-index: 4;
  background-color: var(--op-primary-dark) !important;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.12);
}

.op-site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  width: 100%;
  box-sizing: border-box;
}

.op-site-header__bar.md-header__inner {
  max-width: 72rem;
}

.op-site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  padding: 0 !important;
  margin: 0;
}

.op-site-header__brand.md-logo {
  width: auto;
}

.op-site-header__logo {
  height: 2rem;
  width: auto;
  max-width: 180px;
  filter: brightness(0) invert(1);
}

.op-site-header__badge {
  display: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(255 255 255 / 0.9);
}

@media (min-width: 640px) {
  .op-site-header__badge {
    display: inline;
  }
}

/* Cross-site nav (desktop) */
.op-site-header__nav {
  display: none;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
  justify-content: center;
  min-width: 0;
}

@media (min-width: 1024px) {
  .op-site-header__nav {
    display: flex;
  }
}

.op-site-header__nav-link {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

a.op-site-header__nav-link:hover {
  background: rgb(255 255 255 / 0.15);
  color: #fff;
}

.op-site-header__nav-link.is-current,
.op-site-header__sites-menu-panel .is-current {
  font-weight: 600;
  color: #fff;
  cursor: default;
}

/* Mobile sites menu */
.op-site-header__sites-menu {
  position: relative;
  display: block;
}

@media (min-width: 1024px) {
  .op-site-header__sites-menu {
    display: none;
  }
}

.op-site-header__sites-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.375rem;
  border: 1px solid rgb(255 255 255 / 0.4);
  color: #fff;
  cursor: pointer;
  list-style: none;
}

.op-site-header__sites-menu-toggle::-webkit-details-marker {
  display: none;
}

.op-site-header__sites-menu-toggle:hover {
  background: rgb(255 255 255 / 0.1);
}

.op-site-header__sites-menu[open] .op-site-header__sites-menu-panel {
  display: block;
}

.op-site-header__sites-menu-panel {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 0.25rem);
  z-index: 50;
  min-width: 10rem;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

.op-site-header__sites-menu-panel a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--op-ink);
  text-decoration: none;
}

.op-site-header__sites-menu-panel a:hover {
  background: var(--op-brand-light);
  color: var(--op-primary-dark);
}

.op-site-header__sites-menu-panel .is-current {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--op-primary-dark);
}

/* Header utilities (search, lang, theme, drawer, github) */
.op-site-header__utils {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  flex-shrink: 0;
  margin-left: auto;
}

.op-site-header__utils .md-header__button {
  color: #fff;
}

.op-site-header__utils .md-header__button:hover {
  background: rgb(255 255 255 / 0.15);
}

.op-site-header__utils .md-header__option {
  margin: 0;
}

.op-site-header__utils .md-select__inner {
  top: calc(100% + 0.25rem);
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

.op-site-header__utils .md-select button.md-header__button {
  border: 1px solid rgb(255 255 255 / 0.4);
  border-radius: 0.375rem;
  width: auto;
  min-width: 2.75rem;
  height: 2.75rem;
}

/* Hide dual-line Material title */
.op-site-header .md-header__title {
  display: none;
}

/* Drawer toggle — visible on mobile/tablet only (Material sidebar) */
.op-site-header__drawer {
  display: flex;
}

@media (min-width: 76.25em) {
  .op-site-header__drawer {
    display: none;
  }
}

/* GitHub source — icon only */
.op-site-header__source .md-source {
  max-width: none;
}

.op-site-header__source .md-source__repository,
.op-site-header__source .md-source__facts {
  display: none;
}

.op-site-header__source .md-source__icon {
  color: #fff;
}

/* Section tabs (row 2) */
.op-site-header .md-tabs {
  background-color: #e85a32;
}

.op-site-header .md-tabs__link {
  color: #fff;
  opacity: 0.85;
}

.op-site-header .md-tabs__link--active {
  opacity: 1;
  font-weight: 600;
}

.op-site-header .md-header__button,
.op-site-header .md-tabs__link {
  color: #fff;
}

/* Override Material grid on header inner */
@media screen and (min-width: 60em) {
  .op-site-header__bar.md-header__inner {
    display: flex;
  }
}

/* Footer */
.op-docs-footer {
  background: var(--op-surface);
  border-top: 1px solid #e5e7eb;
  margin-top: 2rem;
  padding: 2rem 1rem;
  font-size: 0.875rem;
  color: var(--op-muted);
}

.op-docs-footer__grid {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.op-docs-footer h3 {
  color: var(--op-ink);
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.op-docs-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.op-docs-footer li {
  margin: 0.35rem 0;
}

.op-docs-footer a {
  color: var(--op-muted);
  text-decoration: none;
}

.op-docs-footer a:hover {
  color: var(--op-primary-dark);
}

.op-docs-footer__copy {
  max-width: 72rem;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  font-size: 0.75rem;
}