/* Dark theme for the nanday.dev blog, same palette as the homepage. */
:root {
  --bg: #141518;
  --surface: #1c1e22;
  --text: #e9e8e4;
  --muted: #a2a4aa;
  --line: #2c2f35;
  --accent: #f2b544;
  --accent-soft: #2b2416;
  --chip: #25282d;
  --maxw: 720px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.75 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
header.top {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 16px; text-decoration: none; letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; display: block; flex: none; }
.brand .tile { fill: var(--text); }
.brand .glyph { stroke: var(--bg); }
.brand .dot { fill: var(--accent); }
.brand-sub { color: var(--muted); font-weight: 500; }
header nav ul { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; font-size: 15px; }
header nav a { text-decoration: none; color: var(--muted); }
header nav a:hover { color: var(--text); }

main.wrap { padding-top: 56px; padding-bottom: 64px; }

/* Typography */
h1, h2, h3, h4, h5, h6 { line-height: 1.25; letter-spacing: -0.015em; margin: 2em 0 0.6em; }
h1 { font-size: clamp(32px, 6vw, 44px); letter-spacing: -0.03em; font-weight: 750; margin-top: 0; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }
h4 { font-size: 19px; }
p, ul, ol, blockquote, pre, table, figure { margin: 0 0 1.2em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: 0.35em; }
li::marker { color: var(--accent); }
strong { font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
img { max-width: 100%; height: auto; border-radius: 12px; display: block; margin: 1.5em auto; border: 1px solid var(--line); }

blockquote {
  margin-left: 0; padding: 14px 20px; border-left: 3px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 10px 10px 0; color: var(--text);
}
blockquote > :last-child { margin-bottom: 0; }

code, pre, kbd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88em; }
:not(pre) > code { background: var(--chip); padding: 2px 6px; border-radius: 5px; }
pre { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; overflow-x: auto; line-height: 1.55; }
pre code { background: none; padding: 0; }
.highlight { background: none; }

table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: 16px; }
th, td { border-bottom: 1px solid var(--line); padding: 8px 12px; text-align: left; }
th { color: var(--muted); font-weight: 600; }

/* Blog home */
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 12px; }
.lead { font-size: 20px; color: var(--muted); }
.intro { padding-bottom: 12px; }
.archive { border-top: 1px solid var(--line); padding-top: 36px; margin-top: 36px; }
.archive h2 { font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin: 0 0 8px; }
.hint { color: var(--muted); font-size: 16px; }
.categories { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 28px; }
.categories li { margin: 0; }
.categories a { display: inline-block; text-decoration: none; background: var(--chip); border-radius: 999px; padding: 4px 14px; font-size: 15px; }
.categories a span { color: var(--muted); margin-left: 4px; font-size: 13px; }
.categories a:hover { background: var(--accent-soft); }
.archive-group { margin-bottom: 26px; scroll-margin-top: 80px; }
.category-head { font-size: 18px; margin: 0 0 10px; color: var(--accent); }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { margin: 0; border-bottom: 1px solid var(--line); }
.post-list li:last-child { border-bottom: 0; }
.post-list a { display: block; padding: 9px 0; text-decoration: none; font-weight: 550; }
.post-list.dated li { display: flex; gap: 16px; align-items: baseline; }
.post-list.dated time { flex: none; width: 56px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }

/* Posts */
.back { font-size: 15px; margin-bottom: 28px; }
.back a { text-decoration: none; color: var(--muted); }
.back a:hover { color: var(--accent); }
.post-header { margin-bottom: 24px; }
.post-title { margin-bottom: 12px; }
.post-meta { color: var(--muted); font-size: 15px; margin: 0; }
.post-categories { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 28px; }
.post-categories li { margin: 0; }
.post-categories a { display: inline-block; text-decoration: none; background: var(--chip); border-radius: 999px; padding: 2px 12px; font-size: 14px; color: var(--muted); }
.post-categories a:hover { color: var(--accent); }

.toc { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px 6px; margin-bottom: 36px; font-size: 15.5px; }
.toc::before { content: "Contents"; display: block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.toc ul { list-style: none; padding-left: 0; margin: 0 0 10px; }
.toc ul ul { padding-left: 16px; margin: 4px 0 0; }
.toc li { margin-bottom: 4px; }
.toc a { text-decoration: none; color: var(--muted); }
.toc a:hover { color: var(--accent); }
.post-content h1, .post-content h2, .post-content h3, .post-content h4 { scroll-margin-top: 80px; }
.post-content > :first-child { margin-top: 0; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; }
footer ul { display: flex; flex-wrap: wrap; gap: 18px; list-style: none; margin: 0; padding: 0; }
footer li { margin: 0; }

@media (max-width: 600px) {
  body { font-size: 17px; }
  main.wrap { padding-top: 36px; }
  .brand-sub { display: none; }
  header nav ul { gap: 14px; }
}