/* Havelin design system, matching the portal. Source of truth: DESIGN.md in havelin-labs/chakshu. */
@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --havelin-teal: #00C7B0;
  --md-text-font: "Inter";
}

[data-md-color-scheme="default"] {
  --md-default-bg-color: #F4F5F6;
  --md-default-fg-color: #0A0A0A;
  --md-default-fg-color--light: #5E6773;
  --md-primary-fg-color: #F4F5F6;
  --md-primary-fg-color--light: #FFFFFF;
  --md-primary-fg-color--dark: #E7E9EB;
  --md-primary-bg-color: #0A0A0A;
  --md-primary-bg-color--light: #5E6773;
  --md-accent-fg-color: #00C7B0;
  --md-typeset-a-color: #00806F; /* teal dark enough for text */
  --md-code-bg-color: #FFFFFF;
}

[data-md-color-scheme="slate"] {
  --md-hue: 210;
  --md-default-bg-color: #0B0C0E;
  --md-default-fg-color--light: #9AA3AE;
  --md-primary-fg-color: #0B0C0E;
  --md-primary-fg-color--light: #131518;
  --md-primary-fg-color--dark: #000000;
  --md-primary-bg-color: #F4F5F6;
  --md-accent-fg-color: #00C7B0;
  --md-typeset-a-color: #2EE0CA;
  --md-code-bg-color: #131518;
}

/* Headings in Space Grotesk, as on havelin.in. */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-header__topic {
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.md-typeset h1 {
  color: var(--md-default-fg-color);
}

/* Sticky header with a hairline border instead of a shadow. */
.md-header {
  border-bottom: 1px solid rgba(204, 207, 209, 0.5);
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-header {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* 4px radius everywhere. */
.md-typeset .admonition,
.md-typeset details,
.md-typeset pre > code,
.md-search__form {
  border-radius: 4px;
}

.md-header__button.md-logo img {
  height: 1.7rem;
}

/* Tabs under the header: one per section, so the sidebar only lists that section's pages. */
.md-tabs {
  background-color: var(--md-default-bg-color);
  color: var(--md-default-fg-color--light);
  border-bottom: 1px solid rgba(204, 207, 209, 0.5);
}

[data-md-color-scheme="slate"] .md-tabs {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.md-tabs__link {
  font-weight: 500;
  opacity: 1;
}

.md-tabs__item--active .md-tabs__link {
  color: var(--md-default-fg-color);
  font-weight: 600;
}

/* Sidebar: more air between items, a clear active page. */
.md-nav__item {
  padding: 0.1rem 0;
}

.md-nav__link {
  margin-top: 0.35em;
  margin-bottom: 0.35em;
}

.md-nav__link .md-icon,
.md-nav__link svg {
  color: var(--md-default-fg-color--light);
}

.md-nav__link--active,
.md-nav__link--active svg {
  color: var(--md-typeset-a-color);
  font-weight: 600;
}

/* Cards: teal icons, 4px corners, a calm hover. */
.md-typeset .grid.cards > ul > li {
  border-radius: 6px;
  border-color: rgba(204, 207, 209, 0.6);
  background: var(--md-code-bg-color);
}

.md-typeset .grid.cards > ul > li:hover {
  border-color: var(--havelin-teal);
  box-shadow: none;
}

.md-typeset .grid.cards .lg {
  width: 1.6em;
  height: 1.6em;
  color: var(--havelin-teal);
  vertical-align: middle;
  margin-right: 0.25em;
}

/* Diagrams sit on their own light panel, so they read the same in both themes. */
.md-typeset img.diagram {
  display: block;
  width: 100%;
  height: auto;
  margin: 1.25em 0;
  border: 1px solid rgba(204, 207, 209, 0.7);
  border-radius: 10px;
  background: #FFFFFF;
}

[data-md-color-scheme="slate"] .md-typeset img.diagram {
  border-color: rgba(255, 255, 255, 0.12);
}
/* Search: a quiet field in the header, the same card language as the rest of the site. */
@media screen and (min-width: 60em) {
  .md-search__form {
    height: 2.1rem;
    border: 1px solid rgba(204, 207, 209, 0.9);
    border-radius: 8px;
    background-color: #FFFFFF;
    transition: border-color 150ms, box-shadow 150ms;
  }

  .md-search__form:hover {
    background-color: #FFFFFF;
    border-color: #B5BABF;
  }

  .md-search__input {
    font-size: 0.75rem;
    color: var(--md-default-fg-color);
  }

  .md-search__input::placeholder {
    color: var(--md-default-fg-color--light);
  }

  .md-search__input + .md-search__icon {
    color: var(--md-default-fg-color--light);
  }

  /* The "/" shortcut, shown until the field is in use. */
  .md-search__form::after {
    content: "/";
    position: absolute;
    top: 50%;
    right: 0.6rem;
    transform: translateY(-50%);
    padding: 0 0.35rem;
    border: 1px solid rgba(204, 207, 209, 0.9);
    border-radius: 4px;
    font: 600 0.6rem/1.5 "JetBrains Mono", ui-monospace, monospace;
    color: var(--md-default-fg-color--light);
    pointer-events: none;
  }

  [data-md-toggle="search"]:checked ~ .md-header .md-search__form::after {
    display: none;
  }

  /* Open: a teal ring, and the results attached underneath as one card. */
  [data-md-toggle="search"]:checked ~ .md-header .md-search__form {
    border-color: var(--havelin-teal);
    box-shadow: 0 0 0 3px rgba(0, 199, 176, 0.18);
    border-radius: 8px 8px 0 0;
    background-color: #FFFFFF;
  }

  [data-md-toggle="search"]:checked ~ .md-header .md-search__output {
    border: 1px solid var(--havelin-teal);
    border-top: 0;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 12px 28px rgba(10, 10, 10, 0.12);
  }

  [data-md-color-scheme="slate"] .md-search__form,
  [data-md-color-scheme="slate"] .md-search__form:hover {
    background-color: #131518;
    border-color: rgba(255, 255, 255, 0.12);
  }

  [data-md-color-scheme="slate"] .md-search__form::after {
    border-color: rgba(255, 255, 255, 0.16);
  }
}

[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  border-color: var(--havelin-teal);
}

[data-md-color-scheme="slate"] [data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  border-color: var(--havelin-teal);
  background-color: #131518;
}

/* Results: roomy rows, teal match highlight, a clear hover. */
.md-search-result__meta {
  background-color: var(--md-default-bg-color);
  color: var(--md-default-fg-color--light);
  font-size: 0.64rem;
  letter-spacing: 0.02em;
}

.md-search-result__link:hover,
.md-search-result__link:focus,
.md-search-result__more > summary:hover {
  background-color: rgba(0, 199, 176, 0.08);
}

.md-search-result__article {
  padding: 0.5rem 0.8rem 0.6rem 2.6rem;
}

.md-search-result__article h1 {
  font-size: 0.82rem;
  font-weight: 600;
}

.md-search-result mark {
  color: inherit;
  background-color: rgba(0, 199, 176, 0.22);
  border-radius: 2px;
  padding: 0 1px;
}

.md-search-result__icon {
  color: var(--havelin-teal);
}