:root {
  --ink: #101412;
  --paper: #f6f3ec;
  --mist: #e5ded0;
  --line: #cfc5b5;
  --route: #0f7b70;
  --amber: #b86f21;
  --blue: #2d6d9f;
  --muted: #5e665f;
  --dark: #121714;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--paper); }

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  line-height: 1.65;
}

a { color: var(--route); }
a:hover { color: var(--amber); }

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

header.site .brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

header.site nav { margin-left: auto; display: flex; gap: 1rem; font-size: 0.92rem; }
header.site nav a { text-decoration: none; color: var(--muted); }
header.site nav a:hover { color: var(--route); }

main { padding: 2.5rem 0 4rem; }

h1 { font-size: 2rem; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 0.6rem; }
h2 { font-size: 1.4rem; line-height: 1.3; margin: 2.4rem 0 0.7rem; letter-spacing: -0.01em; }
h3 { font-size: 1.12rem; margin: 1.8rem 0 0.5rem; }

.meta { color: var(--muted); font-size: 0.9rem; margin: 0 0 1.6rem; }
.excerpt { color: var(--muted); font-size: 1.05rem; margin: 0 0 1.8rem; }

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1.4rem; padding: 0; list-style: none; }
.tags li {
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  background: var(--mist);
}

article :is(p, ul, ol, table, pre, blockquote) { margin: 0 0 1.1rem; }
article ul, article ol { padding-left: 1.3rem; }
article li { margin: 0.3rem 0; }

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--mist);
  border-radius: 4px;
  padding: 0.12em 0.35em;
}

pre {
  background: var(--dark);
  color: #e8e6df;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  line-height: 1.5;
}

pre code { background: none; padding: 0; font-size: 0.86rem; color: inherit; }

table { border-collapse: collapse; width: 100%; font-size: 0.94rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 0.45rem 0.6rem; text-align: left; vertical-align: top; }
th { background: var(--mist); }

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* index */
.posts { list-style: none; padding: 0; margin: 0; }
.posts li { border-bottom: 1px solid var(--line); padding: 1.3rem 0; }
.posts li:last-child { border-bottom: 0; }
.posts h2 { margin: 0 0 0.3rem; font-size: 1.12rem; }
.posts h2 a { text-decoration: none; }
.posts p { margin: 0.3rem 0 0; color: var(--muted); font-size: 0.94rem; }
.posts .when { font-size: 0.82rem; color: var(--muted); }

footer.site {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  padding: 1.6rem 0 2.4rem;
}

footer.site .wrap { display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; }