:root {
  --bg: #c8c8c8;
  --paper: #f2f2f2;
  --ink: #111;
  --ink-soft: #333;
  --line: #111;
  --menu-height: 34px;
  --shadow: #666;
  --focus: #e7e7e7;
  --window-min-height: 220px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.48) 1px, transparent 0),
    radial-gradient(circle at 2px 2px, rgba(255, 255, 255, 0.5) 1px, transparent 0);
  background-size: 6px 6px;
  background-position: 0 0, 3px 3px;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  line-height: 1.45;
  cursor: default;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: underline;
}

.menu-bar {
  height: var(--menu-height);
  border-bottom: 2px solid var(--line);
  background: #f7f7f7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 12px;
  position: sticky;
  top: 0;
  z-index: 200;
}

.menu-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 10px;
  font-size: 13px;
}

.menu-items a {
  border: 1px solid transparent;
  display: inline-block;
  padding: 1px 4px;
  text-decoration: none;
  white-space: nowrap;
}

.menu-items a[aria-current="page"],
.menu-items a:hover,
.menu-items a:focus-visible {
  border-color: var(--line);
  outline: none;
  background: #fff;
}

.menu-status {
  font-size: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
  white-space: nowrap;
}

.desktop {
  min-height: 0;
  padding: 20px;
  position: relative;
  flex: 1;
}

.window-stack {
  width: min(100%, 980px);
  max-width: 980px;
  min-width: 0;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.window {
  border: 2px solid var(--line);
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--shadow);
  min-height: var(--window-min-height);
  max-width: 100%;
  overflow: hidden;
}

.window.is-active {
  box-shadow: 6px 6px 0 var(--shadow);
}

.window-titlebar {
  min-height: 32px;
  border-bottom: 2px solid var(--line);
  background-image: repeating-linear-gradient(
    90deg,
    #222,
    #222 2px,
    #f1f1f1 2px,
    #f1f1f1 4px
  );
  display: grid;
  grid-template-columns: 22px 1fr 14px;
  align-items: center;
  gap: 8px;
  padding: 3px 8px;
}

.window-titlebar h1,
.window-titlebar h2 {
  margin: 0;
  justify-self: center;
  padding: 2px 8px;
  font-size: 13px;
  font-weight: 700;
  border: 2px solid var(--line);
  background: var(--paper);
  text-align: center;
}

.window-titlebar.no-controls {
  grid-template-columns: 1fr;
  justify-items: center;
}

.window-button,
.window-grow {
  width: 14px;
  height: 14px;
  border: 2px solid var(--line);
  background: #fff;
}

.window-button {
  appearance: none;
  padding: 0;
}

.window-button:hover,
.window-button:focus-visible {
  background: #dcdcdc;
  outline: none;
}

.window-body {
  padding: 16px;
  overflow-x: auto;
  overflow-y: visible;
}

.finder-table {
  border: 2px solid var(--line);
}

.finder-row {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 140px 90px;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 8px 10px;
  text-decoration: none;
  font-size: 13px;
}

.finder-row:first-child {
  border-top: 0;
}

.finder-header {
  background: #ddd;
  font-weight: 700;
}

a.finder-row:hover,
a.finder-row:focus-visible {
  background: var(--focus);
  outline: none;
}

.intro-copy {
  margin-bottom: 12px;
}

.prose img,
.prose video,
.prose iframe {
  max-width: 100%;
  height: auto;
  border: 2px solid var(--line);
}

.prose {
  overflow-wrap: anywhere;
}

.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  line-height: 1.2;
}

.prose code {
  border: 1px solid #444;
  padding: 1px 5px;
  background: #ececec;
  font-size: 0.93em;
}

.prose pre code {
  border: 0;
  padding: 0;
  background: transparent;
  font-size: 0.95em;
  line-height: 1.6;
  white-space: pre;
}

.prose div.highlighter-rouge,
.prose figure.highlight {
  margin: 1rem 0 1.25rem;
  border: 2px solid var(--line);
  background: #f7f7f7;
  box-shadow: inset 0 0 0 2px #d8d8d8, 3px 3px 0 #8a8a8a;
  overflow: hidden;
}

.prose div.highlighter-rouge pre,
.prose figure.highlight pre {
  margin: 0;
  padding: 12px 14px;
  overflow-x: auto;
  overflow-y: hidden;
  background:
    linear-gradient(#f7f7f7, #f1f1f1);
}

.prose div.highlighter-rouge::before,
.prose figure.highlight::before {
  content: attr(data-code-label);
  display: block;
  border-bottom: 2px solid var(--line);
  background: repeating-linear-gradient(
    90deg,
    #d6d6d6,
    #d6d6d6 2px,
    #f3f3f3 2px,
    #f3f3f3 5px
  );
  color: #000;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
}

.prose div.highlighter-rouge:not([data-code-label])::before,
.prose figure.highlight:not([data-code-label])::before {
  content: "CODE";
}

.prose .highlight .c,
.prose .highlight .c1,
.prose .highlight .cm {
  color: #6a6a6a;
  font-style: italic;
}

.prose .highlight .k,
.prose .highlight .kd,
.prose .highlight .kt,
.prose .highlight .kr,
.prose .highlight .ow {
  color: #1e4f9a;
  font-weight: 700;
}

.prose .highlight .s,
.prose .highlight .s1,
.prose .highlight .s2,
.prose .highlight .se {
  color: #7a3a00;
}

.prose .highlight .nf,
.prose .highlight .nc,
.prose .highlight .nl {
  color: #5e2b97;
  font-weight: 700;
}

.prose .highlight .mi,
.prose .highlight .mf,
.prose .highlight .mh {
  color: #8d1f3f;
}

.prose .highlight .o,
.prose .highlight .p {
  color: #333;
}

.prose .highlight .err {
  background: #ffd8d8;
  color: #7a0000;
}

.post-meta {
  margin-top: 0;
  font-size: 12px;
  text-transform: uppercase;
}

.site-footer {
  padding: 6px 20px 16px;
}

.site-footer-inner {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.site-footer-shell {
  width: min(100%, 980px);
  margin: 0 auto;
  border-top: 2px solid var(--line);
  background: var(--paper);
  padding: 10px 12px 0;
}

.site-footer h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
}

.site-footer p {
  margin: 0 0 6px;
  color: #333;
}

.site-footer a {
  color: #1a57b8;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .menu-bar {
    justify-content: flex-start;
    gap: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .menu-items {
    flex-wrap: nowrap;
    gap: 8px;
    padding-right: 8px;
    white-space: nowrap;
  }

  .menu-items li {
    flex: 0 0 auto;
  }
  .desktop {
    padding: 12px;
  }

  .finder-row {
    grid-template-columns: 1fr;
  }

  .menu-status {
    display: none;
  }

  .site-footer {
    padding: 12px;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}