/* Minimal black & white — plain essay layout (Paul Graham–style readability) */

:root {
  --essay-max: 40rem;
  --essay-text: #111;
  --essay-muted: #444;
  --essay-border: #ddd;
  --essay-bg: #fff;
  --md-typeset-font-size: 0.95rem;
  --md-typeset-line-height: 1.65;
}

[data-md-color-scheme="default"] {
  --md-default-fg-color: var(--essay-text);
  --md-default-fg-color--light: var(--essay-muted);
  --md-default-fg-color--lighter: #666;
  --md-default-fg-color--lightest: #888;
  --md-default-bg-color: var(--essay-bg);
  --md-primary-fg-color: #000;
  --md-primary-bg-color: #000;
  --md-accent-fg-color: #000;
  --md-accent-bg-color: #e8e8e8;
  --md-typeset-a-color: #000;
}

[data-md-color-scheme="slate"] {
  --md-default-fg-color: #eaeaea;
  --md-default-fg-color--light: #ccc;
  --md-default-bg-color: #111;
  --md-primary-fg-color: #fff;
  --md-primary-bg-color: #fff;
  --md-accent-fg-color: #fff;
  --md-typeset-a-color: #fff;
  --essay-text: #eaeaea;
  --essay-muted: #aaa;
  --essay-border: #333;
  --essay-bg: #111;
}

body {
  font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
}

/* Flatten colorful badge images to match monochrome aesthetic */
.md-typeset img[src*="img.shields.io"],
.md-typeset img[src*="shields.io"] {
  filter: grayscale(1);
  opacity: 0.92;
}

.md-typeset,
.md-typeset table:not([class]) {
  font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
}

.md-typeset code,
.md-typeset pre,
.md-typeset kbd {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
}

/* Flat chrome. No rule, no shadow — the header carries only the palette toggle. */
.md-header {
  box-shadow: none !important;
  background-color: var(--essay-bg) !important;
  border-bottom: none;
}

.md-header--lifted::after {
  display: none;
}

/* No branding in the header: the book mark and the site name both go.
   Navigation lives in the footer (see overrides/partials/copyright.html). */
.md-logo,
.md-header__title {
  display: none !important;
}

.md-sidebar--primary,
.md-sidebar--secondary {
  display: none !important;
}

/* Hamburger (drawer) — sidebar nav is hidden; icon follows the logo in Material */
.md-header__inner > a.md-logo + label {
  display: none !important;
}

.md-main__inner.md-grid {
  grid-template-columns: minmax(0, 1fr) !important;
}

/* Hide the duplicate current-page label in the header (site name stays in the first line). */
.md-header__topic[data-md-component="header-topic"] {
  display: none !important;
}

/* Home: hide auto-generated “Posts” h1 when the page is only a list */
article.md-content__inner.md-typeset:has(> h1:first-child + ul) > h1:first-child {
  display: none !important;
}

/* Essay column: narrow readable measure */
.md-content__inner.md-typeset {
  max-width: var(--essay-max);
}

/* Links: understated */
.md-typeset a {
  color: var(--md-typeset-a-color);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.md-typeset a:hover,
.md-typeset a:focus {
  opacity: 0.75;
}

.md-typeset a.headerlink {
  text-decoration: none;
  opacity: 0.35;
}

/* CTA classes from markdown — text links, not pills */
.md-typeset a.primary-button,
.md-typeset a.secondary-button {
  display: inline;
  padding: 0;
  margin: 0;
  background: none !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--md-typeset-a-color) !important;
  font-weight: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

/* Footer */
.md-footer {
  background-color: var(--essay-bg) !important;
  border-top: 1px solid var(--essay-border);
}

.md-footer-meta {
  background-color: transparent !important;
  color: var(--essay-muted);
  font-size: 0.8rem;
}

.md-copyright {
  color: var(--essay-muted);
}

/* Footer nav — the site's only navigation now that the header is bare. */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-bottom: 0.4rem;
}

.site-nav a {
  color: var(--essay-muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--md-typeset-color);
}

.md-social__link {
  opacity: 0.7;
}

.md-social__link:hover {
  opacity: 1;
}

/* Code: minimal */
.md-typeset .highlight pre,
.md-typeset pre {
  border: 1px solid var(--essay-border);
}

[data-md-color-scheme="slate"] .md-typeset .highlight pre,
[data-md-color-scheme="slate"] .md-typeset pre {
  border-color: var(--essay-border);
}

/* Search / overlay */
.md-search__input {
  border: 1px solid var(--essay-border);
}