@font-face {
  font-family: "JetBrains NFM Brand";
  src: url("fonts/JetBrainsMonoNerdFontMono-brand.woff") format("woff");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains NFM Text";
  src: url("fonts/JetBrainsMonoNerdFontMono-latin.woff") format("woff");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --ink: #222629;
  --muted: #697075;
  --accent: #3b4145;
  --accent-dark: #15191c;
  --line: #e1e4e3;
  --paper: #fbfbfa;
  --site-font: "JetBrains NFM Text", "JetBrainsMono NFM", "PingFang SC", "Hiragino Sans GB", "STHeiti", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--site-font);
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6, code, pre, kbd { font-family: var(--site-font); }

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
::selection { background: #cfd3d1; color: var(--ink); }

.navbar {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 250, .96) !important;
  box-shadow: none;
}

.navbar-brand {
  color: var(--ink) !important;
  font-family: "JetBrains NFM Brand", "JetBrainsMono NFM", monospace;
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: -.045em;
}

.navbar .nav-link { color: var(--muted); }
.navbar .nav-link:hover { color: var(--accent-dark); }

#quarto-document-content { max-width: 1100px; margin-inline: auto; }

#title-block-header { margin: 2.5rem 0 1.25rem; }
#title-block-header .title {
  color: var(--ink);
  font-family: var(--site-font);
  font-weight: 400;
  letter-spacing: -.055em;
}

body:has(.intro) #title-block-header { margin-top: clamp(3rem, 7vw, 6rem); }
body:has(.intro) #title-block-header .title {
  font-family: "JetBrains NFM Brand", "JetBrainsMono NFM", monospace;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 400;
  letter-spacing: -.06em;
  line-height: 1.05;
}

.intro {
  margin: 0 0 4rem;
  padding: 1rem 0 1.75rem;
  border-bottom: 1px solid var(--line);
}

.intro .eyebrow {
  margin-bottom: .75rem;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.intro > p:last-child {
  max-width: 60ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

#recent-notes { margin: 0 0 1.25rem; color: var(--ink); font-weight: 600; }
.quarto-listing .quarto-post .thumbnail { display: none; }
.quarto-listing .quarto-post .body { width: 100%; }
.quarto-listing .listing-title a { color: var(--ink); text-decoration: none; }
.quarto-listing .listing-title a:hover { color: var(--accent); }
.quarto-listing .listing-description, .quarto-listing .listing-date { color: var(--muted); }
.quarto-listing .quarto-post { border-bottom-color: var(--line); }

.quarto-listing-category-title {
  color: var(--muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.quarto-listing-category .category {
  margin: .35rem .35rem .35rem 0;
  padding: .35rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
}

.quarto-listing-category .category.active,
.quarto-listing-category .category:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: #eceeed;
}

body:has(.blog-activity) #quarto-margin-sidebar {
  width: 320px;
  max-width: 320px;
  overflow: visible;
}

.blog-activity {
  --cell-size: 5px;
  --cell-gap: 1px;
  width: max-content;
  max-width: 100%;
  margin-top: clamp(8rem, 20vh, 12rem);
  color: var(--ink);
}

.blog-activity h3 {
  margin: 0 0 .35rem;
  font-size: .95rem;
  font-weight: 600;
}

.activity-summary {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: .7rem;
}

.activity-months {
  display: grid;
  grid-template-columns: repeat(52, var(--cell-size));
  gap: var(--cell-gap);
  height: 1.25rem;
  color: var(--muted);
  font-size: .58rem;
  line-height: 1;
}

.activity-grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, var(--cell-size));
  grid-auto-columns: var(--cell-size);
  gap: var(--cell-gap);
  width: max-content;
}

.activity-cell {
  display: inline-block;
  width: var(--cell-size);
  height: var(--cell-size);
  border-radius: 1px;
  background: #ebedec;
}

.activity-cell[data-level="1"] { background: #cbd0cd; }
.activity-cell[data-level="2"] { background: #a5aba8; }
.activity-cell[data-level="3"] { background: #69716d; }
.activity-cell[data-level="4"] { background: #252b28; }
.activity-cell[data-level="future"] { background: transparent; }

.activity-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-top: .75rem;
  color: var(--muted);
  font-size: .6rem;
}

.activity-legend span:first-child { margin-right: 3px; }
.activity-legend span:last-child { margin-left: 3px; }

main.content { padding-bottom: 4rem; }
footer.footer { border-top: 1px solid var(--line); color: var(--muted); }
footer.footer .nav-footer-right { gap: 1rem; }

@media (max-width: 600px) {
  #title-block-header { margin-top: 2rem; }
  body:has(.intro) #title-block-header .title { font-size: clamp(2rem, 8.8vw, 4.5rem); }
  .intro { margin-bottom: 3rem; }
  .blog-activity { --cell-size: 4px; margin-top: 3rem; }
}