/* ===== Palette =====
   Material's `primary: custom` / `accent: custom` leave these to us. Muted on purpose:
   a slate teal for the primary, a sage accent, near-neutral backgrounds. */

/* Light mode */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #4b6a72;
  --md-primary-fg-color--light: #6e8a91;
  --md-primary-fg-color--dark: #35505a;
  --md-accent-fg-color: #5f7d66;
  --md-accent-fg-color--transparent: rgba(95, 125, 102, 0.1);
  --md-default-bg-color: #f6f7f7;
  --md-default-bg-color--light: #f6f7f7;
  --md-default-bg-color--lighter: #ffffff;
  --md-default-bg-color--lightest: #ffffff;
  --md-typeset-a-color: #3f6169;
}

[data-md-color-scheme="default"] .md-header,
[data-md-color-scheme="default"] .md-tabs {
  background-color: #e6eaea;
  color: #1a1a1a;
}

/* Light mode: header text and icons dark */
[data-md-color-scheme="default"] .md-header__button,
[data-md-color-scheme="default"] .md-header__topic,
[data-md-color-scheme="default"] .md-header__title,
[data-md-color-scheme="default"] .md-header__source,
[data-md-color-scheme="default"] .md-tabs__link,
[data-md-color-scheme="default"] .md-tabs__link--active,
[data-md-color-scheme="default"] .header-nav a {
  color: #1a1a1a;
}

[data-md-color-scheme="default"] .md-header .md-header__button.md-icon,
[data-md-color-scheme="default"] .md-header .md-search__icon,
[data-md-color-scheme="default"] .md-header .md-source__icon,
[data-md-color-scheme="default"] .md-header .md-source__icon svg,
[data-md-color-scheme="default"] .md-header .md-source,
[data-md-color-scheme="default"] .md-header .md-source__repository,
[data-md-color-scheme="default"] .md-header .md-source__fact {
  color: #000000 !important;
  fill: #000000 !important;
  opacity: 1 !important;
}

/* Light mode footer */
[data-md-color-scheme="default"] .md-footer {
  background-color: #e6eaea !important;
  color: #1a1a1a !important;
}

[data-md-color-scheme="default"] .md-footer-meta {
  background-color: #dde2e2 !important;
  color: #1a1a1a !important;
}

[data-md-color-scheme="default"] .md-footer *,
[data-md-color-scheme="default"] .md-footer a,
[data-md-color-scheme="default"] .md-copyright,
[data-md-color-scheme="default"] .md-copyright *,
[data-md-color-scheme="default"] .md-social__link,
[data-md-color-scheme="default"] .md-social__link svg {
  color: #1a1a1a !important;
  fill: #1a1a1a !important;
}

/* Dark mode */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #8fb0b4;
  --md-primary-fg-color--light: #a9c3c6;
  --md-primary-fg-color--dark: #6e8f93;
  --md-accent-fg-color: #9db8a3;
  --md-accent-fg-color--transparent: rgba(157, 184, 163, 0.1);
  --md-default-bg-color: #121414;
  --md-default-bg-color--light: #121414;
  --md-default-bg-color--lighter: #1a1e1e;
  --md-default-bg-color--lightest: #242929;
  --md-typeset-a-color: #9cbcc0;
}

[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-tabs {
  background-color: #1a1e1e;
}

[data-md-color-scheme="slate"] .md-header .md-header__button.md-icon,
[data-md-color-scheme="slate"] .md-header .md-search__icon,
[data-md-color-scheme="slate"] .md-header .md-source__icon,
[data-md-color-scheme="slate"] .md-header .md-source__icon svg,
[data-md-color-scheme="slate"] .md-header .md-source,
[data-md-color-scheme="slate"] .md-header .md-source__repository,
[data-md-color-scheme="slate"] .md-header .md-source__fact {
  color: #ffffff !important;
  fill: #ffffff !important;
  opacity: 1 !important;
}

/* Footer sits above the fixed home-page background */
.md-footer {
  position: relative;
  z-index: 1;
}

/* ===== Single-row navbar =====
   The logo and the site name are the wordmark, and the section links sit beside them in
   the header (extra.js injects them). Material's own tabs bar is hidden. */

.md-header__button.md-logo {
  margin-right: 1rem;
}

/* The logo is the wordmark: no site name or page title in the header */
.md-header__title {
  display: none !important;
}

.md-tabs {
  display: none !important;
}

.md-header .md-header__inner {
  display: flex;
  align-items: center;
  gap: 0;
}

.md-header .md-header__inner > * {
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-left: 0.75rem;
}

.header-nav a {
  padding: 0.5rem 0.35rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  color: currentColor;
  opacity: 0.75;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.header-nav a:hover,
.header-nav a.active {
  opacity: 1;
}

/* Mobile: Material's drawer handles navigation */
@media (max-width: 960px) {
  .header-nav {
    display: none;
  }
}

.md-header__source {
  margin-left: 0 !important;
  width: 9.2rem;
}

/* Room for the marks after the repository link: a narrower search box until it is focused */
@media screen and (min-width: 60em) {
  .md-header .md-search__inner {
    width: 7.6rem;
  }
}

@media (max-width: 76.1875em) {
  .md-header__source {
    width: 2.4rem;
  }
  .md-source__repository {
    display: none;
  }
}

/* After the repository link: the nnsight and encyclopedia marks */
.nn-header-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 0.2rem;
}

.nn-header-links a {
  display: flex;
  align-items: center;
  padding: 0 0.3rem;
  opacity: 0.85;
  transition: opacity 0.25s;
}

.nn-header-links a:hover {
  opacity: 1;
}

.nn-header-links img {
  height: 1.1rem;
  width: auto;
}

.md-header__button.md-icon {
  color: currentColor;
  opacity: 0.7;
  transition: opacity 0.25s;
}

.md-header__button.md-icon:hover {
  opacity: 1;
}

/* The palette toggle, search and repo link sit together at the right */
.md-header__option {
  margin-left: auto;
}

.md-search__input {
  background: var(--md-default-bg-color);
  font-size: 0.8rem;
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: #1a1a1a !important;
  opacity: 0.85;
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: #ffffff !important;
  opacity: 0.85;
}

/* ===== Page actions: the page as Markdown ===== */
.nn-page-actions {
  float: right;
  display: flex;
  gap: 0.3rem;
  margin: 0.2rem 0 0.4rem 0.8rem;
}

.nn-page-actions button,
.nn-page-actions a {
  font: inherit;
  font-size: 0.62rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.35rem 0.55rem;
  border-radius: 1rem;
  border: 1px solid var(--md-default-fg-color--lighter);
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color--light);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.nn-page-actions button:hover,
.nn-page-actions a:hover {
  color: var(--md-accent-fg-color);
  border-color: var(--md-accent-fg-color);
}

@media (max-width: 44.9375em) {
  .nn-page-actions {
    float: none;
    margin: 0 0 0.6rem;
  }
}

/* ===== Announcement banner (home page): the encyclopedia's five colours ===== */
.nn-announcement {
  background: linear-gradient(90deg, #e4afab, #d2bc8d, #a5cba6, #84cbd3, #c2b7e5);
  padding: 6px 20px;
  text-align: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  color: #1f1f1f;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.3px;
  line-height: 1.4;
}

.nn-announcement a {
  color: #1f1f1f !important;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nn-announcement a:hover {
  transform: translateX(4px);
  opacity: 0.85;
}