/* ==========================================================================
   Vintage editorial theme for www.forret.com
   Inspired by https://designmd.app/library/vintage-editorial
   - cream paper, near-black ink (never pure black), warm brown accents
   - Fraunces (serif, via theme.font.text) for reading and headings,
     Work Sans for UI chrome, JetBrains Mono (theme.font.code) for code
   - decoration only from simple CSS shapes: rules, dots, bordered boxes
   ========================================================================== */

@import url("../assets/external/fonts.googleapis.com/css2.b2affce3.css");

:root {
  --ed-cream: #f5f3ee;
  --ed-cream-light: #faf8f4;
  --ed-ink: #1a1a1a;
  --ed-ink-soft: #555555;
  --ed-warm: #e8d4c0;
  --ed-brown: #c4a882;
  --ed-brown-dark: #8a6d4b;
  --ed-ui-font: "Work Sans", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --ed-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- light: cream paper ------------------------------------------------- */
[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--ed-cream);
  --md-default-fg-color: var(--ed-ink);
  --md-default-fg-color--light: var(--ed-ink-soft);
  --md-default-fg-color--lighter: rgba(26, 26, 26, 0.32);
  --md-default-fg-color--lightest: rgba(26, 26, 26, 0.12);

  --md-primary-fg-color: var(--ed-cream);
  --md-primary-fg-color--light: var(--ed-cream-light);
  --md-primary-fg-color--dark: var(--ed-warm);
  --md-primary-bg-color: var(--ed-ink);
  --md-primary-bg-color--light: var(--ed-ink-soft);

  --md-accent-fg-color: var(--ed-brown-dark);
  --md-accent-fg-color--transparent: rgba(196, 168, 130, 0.18);
  --md-accent-bg-color: var(--ed-cream-light);

  --md-typeset-color: var(--ed-ink);
  --md-typeset-a-color: var(--ed-ink);
  --md-typeset-mark-color: rgba(232, 212, 192, 0.7);
  --md-code-bg-color: var(--ed-cream-light);
  --md-code-fg-color: var(--ed-ink);

  --md-footer-bg-color: var(--ed-ink);
  --md-footer-bg-color--dark: #111111;
  --md-footer-fg-color: var(--ed-cream);
  --md-footer-fg-color--light: rgba(245, 243, 238, 0.7);
  --md-footer-fg-color--lighter: rgba(245, 243, 238, 0.45);

  --ed-surface: var(--ed-cream-light);
  --ed-rule: var(--ed-ink);
  --ed-link-underline: var(--ed-brown);
}

/* ---- dark: ink paper, cream type (same palette, inverted) ------------- */
[data-md-color-scheme="slate"] {
  --md-hue: 35;
  --md-default-bg-color: #1a1a1a;
  --md-default-fg-color: var(--ed-cream);
  --md-default-fg-color--light: #c9c3b8;
  --md-default-fg-color--lighter: rgba(245, 243, 238, 0.32);
  --md-default-fg-color--lightest: rgba(245, 243, 238, 0.12);

  --md-primary-fg-color: #1a1a1a;
  --md-primary-fg-color--light: #242220;
  --md-primary-fg-color--dark: #111111;
  --md-primary-bg-color: var(--ed-cream);
  --md-primary-bg-color--light: #c9c3b8;

  --md-accent-fg-color: var(--ed-brown);
  --md-accent-fg-color--transparent: rgba(196, 168, 130, 0.16);
  --md-accent-bg-color: #1a1a1a;

  --md-typeset-color: var(--ed-cream);
  --md-typeset-a-color: var(--ed-cream);
  --md-typeset-mark-color: rgba(196, 168, 130, 0.35);
  --md-code-bg-color: #242220;
  --md-code-fg-color: var(--ed-cream);

  --md-footer-bg-color: #111111;
  --md-footer-bg-color--dark: #0b0b0b;

  --ed-surface: #22201d;
  --ed-rule: var(--ed-cream);
  --ed-link-underline: var(--ed-brown-dark);
}

/* ---- typography --------------------------------------------------------- */
.md-typeset {
  font-size: 0.85rem;
  line-height: 1.6;
  font-variation-settings: "opsz" 14;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  color: var(--md-default-fg-color);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-variation-settings: "opsz" 144;
}

.md-typeset h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  margin-bottom: 1.6rem;
}

/* signature rule under every page title: 80px x 2px */
.md-typeset h1::after {
  content: "";
  display: block;
  width: 80px;
  height: 2px;
  margin-top: 0.9rem;
  background: var(--ed-rule);
}

.md-typeset h2 {
  font-size: 1.45rem;
  margin-top: 2.4rem;
}

/* small dot before section headings (not when the heading already has an icon) */
.md-typeset h2::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 0.6rem;
  vertical-align: middle;
  border-radius: 50%;
  background: var(--ed-rule);
}

.md-typeset h2:has(.twemoji)::before {
  display: none;
}

/* keep reading lines comfortable */
.md-typeset > p,
.md-typeset > ul,
.md-typeset > ol,
.md-typeset > dl {
  max-width: 72ch;
}

/* links: ink text, warm underline */
.md-typeset a {
  text-decoration: underline;
  text-decoration-color: var(--ed-link-underline);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
  transition: color 200ms var(--ed-ease), text-decoration-color 200ms var(--ed-ease);
}

.md-typeset a:hover,
.md-typeset a:focus {
  color: var(--md-accent-fg-color);
  text-decoration-color: currentColor;
}

/* headerlinks and icons should not be underlined */
.md-typeset a.headerlink,
.md-typeset .md-button {
  text-decoration: none;
}

/* ---- UI chrome in Work Sans -------------------------------------------- */
.md-header,
.md-tabs,
.md-nav,
.md-footer,
.md-search,
.md-source,
.md-typeset .md-button,
.md-typeset .grid.cards > ul > li > p:first-child,
.md-typeset dt,
.md-typeset table:not([class]) th {
  font-family: var(--ed-ui-font);
}

/* header: paper, not a coloured bar; thin ink rule below */
.md-header {
  box-shadow: none;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.md-header__topic:first-child {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.md-tabs {
  border-bottom: 2px solid var(--ed-rule);
}

.md-tabs__link {
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.75;
}

.md-tabs__item--active .md-tabs__link {
  opacity: 1;
  font-weight: 600;
}

.md-nav__link--active,
.md-nav__item .md-nav__link--active {
  font-weight: 600;
  color: var(--md-default-fg-color);
}

/* ---- cards: light paper, 1px border, soft shadow ----------------------- */
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  background: var(--ed-surface);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 2px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 200ms var(--ed-ease), box-shadow 200ms var(--ed-ease), border-color 200ms var(--ed-ease);
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid > .card:hover {
  border-color: var(--ed-rule);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.md-typeset .grid.cards > ul > li > hr {
  border-bottom: 2px solid var(--ed-rule);
  width: 40px;
  margin: 0.6rem 0 0.8rem;
}

/* ---- buttons: the bordered CTA box ------------------------------------- */
.md-typeset .md-button {
  border: 3px solid var(--ed-rule);
  border-radius: 0;
  color: var(--md-default-fg-color);
  font-weight: 700;
  padding: 0.6em 1.6em;
  transition: transform 200ms var(--ed-ease), background-color 200ms var(--ed-ease);
}

.md-typeset .md-button:hover,
.md-typeset .md-button:focus {
  background-color: var(--ed-warm);
  border-color: var(--ed-rule);
  color: var(--ed-ink);
  transform: translateY(-1px);
}

.md-typeset .md-button:active {
  transform: translateY(1px);
}

.md-typeset .md-button--primary {
  background-color: var(--ed-warm);
  color: var(--ed-ink);
}

/* ---- images, code, admonitions, tables ---------------------------------- */
.md-typeset img {
  border: 1px solid var(--md-default-fg-color--lightest);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.md-typeset .twemoji svg,
.md-typeset img.twemoji {
  border: 0;
  box-shadow: none;
}

.md-typeset code {
  border-radius: 2px;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 2px;
  box-shadow: none;
  background: var(--ed-surface);
}

.md-typeset table:not([class]) {
  border-radius: 0;
  border: 1px solid var(--md-default-fg-color--lightest);
}

.md-typeset table:not([class]) th {
  background: var(--ed-surface);
  border-bottom: 2px solid var(--ed-rule);
}

.md-typeset .tabbed-labels > label {
  font-family: var(--ed-ui-font);
  font-weight: 500;
}

/* ---- footer: ink block ------------------------------------------------- */
/* set explicitly on the footer elements: the theme's palette CSS overrides
   --md-footer-* when they are only defined on the colour scheme */
.md-footer,
.md-footer-meta {
  --md-footer-fg-color: var(--ed-cream);
  --md-footer-fg-color--light: rgba(245, 243, 238, 0.75);
  --md-footer-fg-color--lighter: rgba(245, 243, 238, 0.6);
  --md-typeset-a-color: var(--ed-cream);
}

.md-footer-meta .md-copyright__highlight {
  color: rgba(245, 243, 238, 0.75);
}

html body .md-footer-meta .md-social .md-social__link,
html body .md-footer-meta.md-typeset a {
  color: rgba(245, 243, 238, 0.8);
  text-decoration: none;
}

html body .md-footer-meta .md-social .md-social__link:hover {
  color: var(--ed-brown);
}

.md-footer {
  background-color: var(--ed-ink);
  color: var(--ed-cream);
}

.md-footer-meta,
.md-footer-meta.md-typeset {
  background-color: #111111;
  color: rgba(245, 243, 238, 0.7);
  border-top: 1px solid rgba(245, 243, 238, 0.12);
}

.md-footer__link,
.md-footer__title,
.md-footer__direction,
.md-footer .md-social__link,
.md-copyright {
  color: var(--ed-cream);
}

.md-footer .md-social__link:hover {
  color: var(--ed-brown);
}

/* ---- motion: subtle fade-up of content on load ------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .md-content__inner {
    animation: ed-fade-up 420ms var(--ed-ease) both;
  }
}

@keyframes ed-fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---- timeline: Markdown list inside <div class="timeline" markdown> ---- */
.md-typeset .timeline > ul {
  list-style: none;
  margin: 2rem 0 0 0;
  padding: 0 0 0 1.6rem;
  border-left: 2px solid var(--ed-rule);
  max-width: 72ch;
}

.md-typeset .timeline > ul > li {
  position: relative;
  margin: 0 0 1.3rem 0;
  padding-left: 0.4rem;
  list-style: none;
}

/* a dot on the rule for every entry */
.md-typeset .timeline > ul > li::before {
  content: "";
  position: absolute;
  left: calc(-1.6rem - 6px);
  top: 0.45em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--md-default-bg-color);
  border: 2px solid var(--ed-rule);
}

.md-typeset .timeline > ul > li:first-child::before {
  background: var(--ed-brown);
  border-color: var(--ed-brown);
}

/* the year range reads as a small-caps label */
.md-typeset .timeline > ul > li > strong:first-child {
  display: block;
  font-family: var(--ed-ui-font);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-accent-fg-color);
}