:root {
  --bg: #fafaf9;
  --fg: #181818;
  --muted: #7a7a7a;
  --rule: #e2e0db;
  --hover: #f0eee7;
  --code-bg: #efeee8;
  --max: 720px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --fg: #e6e4de;
    --muted: #8a8a8a;
    --rule: #26282c;
    --hover: #1d1f23;
    --code-bg: #1d1f23;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  line-height: 1.65;
  font-variant-emoji: text;
}

.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.crumbs {
  font-size: 0.9rem;
  color: var(--muted);
}
.crumbs::before { content: "~/"; color: var(--muted); }
.crumbs a {
  color: var(--fg);
  text-decoration: none;
}
.crumbs a:hover { background: var(--hover); }
.crumbs .sep { color: var(--muted); margin: 0; }
.crumbs .current { color: var(--fg); }
.search-btn {
  font: inherit;
  font-size: 0.8rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--rule);
  padding: 0.25rem 0.55rem;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.search-btn:hover { color: var(--fg); border-color: var(--muted); }
.search-btn kbd {
  font: inherit;
  background: var(--code-bg);
  padding: 0 0.3rem;
  border-radius: 2px;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  margin: 2rem 0 0.6rem;
}
h1 { font-size: 1.5rem; margin-top: 0.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: 0.95rem; color: var(--muted); font-weight: 600; }

p { margin: 0.8rem 0; }

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--muted);
}
a:hover {
  background: var(--hover);
  text-decoration-color: var(--fg);
}
a.wikilink { text-decoration-style: dashed; }

ul, ol { padding-left: 1.4rem; }
li { margin: 0.2rem 0; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0.8rem 0;
  border-radius: 4px;
}

code {
  background: var(--code-bg);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
  font-size: 0.9em;
}
pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
}
pre code { background: transparent; padding: 0; }

blockquote {
  border-left: 3px solid var(--rule);
  margin: 1rem 0;
  padding: 0.2rem 1rem;
  color: var(--muted);
}

.backlinks {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--muted);
}
.backlinks h4 {
  font-size: 0.75rem;
  text-transform: lowercase;
  margin: 0 0 0.5rem;
  font-weight: 400;
  color: var(--muted);
}
.backlinks h4::before { content: "// "; }
.backlinks ul { list-style: none; padding: 0; margin: 0; }
.backlinks li { margin: 0.2rem 0; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--rule);
}

#search-overlay[hidden] { display: none; }
#search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  z-index: 100;
}
.search-box {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 6px;
  width: min(560px, 90vw);
  padding: 1rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
#search-input {
  width: 100%;
  font: inherit;
  font-size: 1.1rem;
  background: transparent;
  color: var(--fg);
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 0.5rem 0;
  outline: none;
}
#search-results { list-style: none; padding: 0; margin: 0.5rem 0 0; max-height: 50vh; overflow-y: auto; }
#search-results li { margin: 0; }
#search-results a {
  display: block;
  padding: 0.6rem 0.5rem;
  text-decoration: none;
  color: var(--fg);
  border-radius: 4px;
}
#search-results a:hover, #search-results a.active {
  background: var(--hover);
}
#search-results .hit-title { font-weight: 600; }
#search-results .hit-snippet { display: block; font-size: 0.85rem; color: var(--muted); margin-top: 0.15rem; }