/* yokozunasan.com — one file, journal register. */

:root {
  --bg: #fffdf9;
  --fg: #1c1b18;
  --muted: #6b675e;
  --rule: #d9d4c8;
  --link: #245c8d;
  --code-bg: #f3f0e8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16151a;
    --fg: #d8d5cd;
    --muted: #8d897f;
    --rule: #35333c;
    --link: #7fb0d8;
    --code-bg: #211f27;
  }
}

* { box-sizing: border-box; }

html { font-size: 17px; }

body {
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  max-width: 42rem;
  background: var(--bg);
  color: var(--fg);
  font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  line-height: 1.6;
}

/* header */
header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.75rem;
  margin-bottom: 2.5rem;
}

.site-title {
  font-variant: small-caps;
  letter-spacing: 0.04em;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1.25rem;
}

nav a:hover { color: var(--link); }

/* type */
h1 { font-size: 1.5rem; line-height: 1.25; margin: 0 0 0.25rem; font-weight: 600; }
h2 { font-size: 1.15rem; margin: 2.25rem 0 0.75rem; font-weight: 600; }
h3 { font-size: 1rem; margin: 1.75rem 0 0.5rem; font-weight: 600; font-style: italic; }

a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.post-meta, .back { color: var(--muted); }
.post-meta { margin-top: 0; margin-bottom: 2rem; }

.intro { font-size: 1.05rem; }

/* post list on index */
ul.post-list { list-style: none; padding: 0; margin: 0; }
ul.post-list li {
  display: flex;
  gap: 1.25rem;
  align-items: baseline;
  padding: 0.35rem 0;
}
ul.post-list time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  font-size: 0.9rem;
}

/* content */
blockquote {
  margin: 1.25rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
  color: var(--muted);
  font-style: italic;
}

img { max-width: 100%; height: auto; }

figure { margin: 1.5rem 0; }
figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 0.4rem; }

hr { border: none; border-top: 1px solid var(--rule); margin: 2.5rem auto; width: 5rem; }

code, pre {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.86em;
  background: var(--code-bg);
}
code { padding: 0.1em 0.3em; border-radius: 3px; }
pre { padding: 0.85rem 1rem; border-radius: 4px; overflow-x: auto; line-height: 1.45; }
pre code { padding: 0; background: none; }

table { border-collapse: collapse; margin: 1.25rem 0; width: 100%; font-size: 0.95rem; }
th, td { border-bottom: 1px solid var(--rule); padding: 0.35rem 0.6rem; text-align: left; }
th { font-weight: 600; }

/* footnotes */
.footnotes {
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}
sup[role="doc-noteref"] a, a.footnote { text-decoration: none; }

/* footer */
footer {
  margin-top: 4rem;
  border-top: 1px solid var(--rule);
  padding-top: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}
footer a { color: var(--muted); }