/* Nabu site — restrained academic design, hand-rolled, no external fonts. */

:root {
  --paper: #faf8f3;
  --ink: #2b2620;
  --muted: #6f6656;
  --rule: #d9d2c2;
  --accent: #7c3626;      /* muted oxblood for links */
  --accent-dark: #5c2419;
  --code-bg: #f1ede3;
  --aside-bg: #f4f1e8;
}

html {
  background: var(--paper);
}

body {
  margin: 0 auto;
  padding: 0 1.5rem;
  max-width: 47rem;
  font-family: Charter, "Bitstream Charter", "Iowan Old Style",
    "Palatino Linotype", Palatino, Georgia, Cambria, serif;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  text-rendering: optimizeLegibility;
}

/* ---- Header ---- */

.site-header {
  margin: 2.5rem 0 2rem;
}

.masthead {
  text-align: center;
  margin-bottom: 1.25rem;
}

.site-title {
  font-size: 2.1rem;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
}

.site-title:hover {
  color: var(--accent-dark);
}

.cuneiform {
  /* Renders where a cuneiform-capable font exists (Segoe UI Historic,
     Noto Sans Cuneiform); degrades to the serif stack elsewhere. */
  font-family: "Segoe UI Historic", "Noto Sans Cuneiform", inherit;
  font-size: 0.85em;
  color: var(--muted);
  margin-right: 0.15em;
}

.site-tagline {
  margin: 0.35rem 0 0;
  font-style: italic;
  color: var(--muted);
  font-size: 1rem;
}

/* ---- Navigation tabs ---- */

.site-nav {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.45rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 0.35rem;
}

/* Tabs are normalized to one even width (owner, 2026-08-23: natural
   text widths read ragged in the top bar) — one-word titles fit the
   column; the min-width, not the gap, carries the spacing rhythm. */
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  display: inline-block;
  min-width: 5.4rem;
  text-align: center;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav a.active {
  color: var(--accent-dark);
  border-bottom: 2px solid var(--accent-dark);
  padding-bottom: 0.1rem;
}

/* The repository link: part of the nav bar on every page, set off in the
   accent color so it reads as the one external item. */
.site-nav .nav-github a {
  color: var(--accent);
  font-weight: 600;
}

.site-nav .nav-github a:hover {
  color: var(--accent-dark);
}

/* ---- Content ---- */

.content {
  margin-bottom: 3rem;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
  margin: 2rem 0 0.75rem;
}

h1 { font-size: 1.65rem; }
h2 { font-size: 1.3rem; border-bottom: 1px solid var(--rule); padding-bottom: 0.25rem; }
h3 { font-size: 1.1rem; }

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2rem auto;
  width: 60%;
}

blockquote {
  margin: 1.25rem 0;
  padding: 0.1rem 1.25rem;
  border-left: 3px solid var(--rule);
  color: var(--muted);
  font-style: italic;
}

/* Footnote-style asides */
.aside, .content em.note {
  display: block;
  background: var(--aside-bg);
  border-left: 3px solid var(--rule);
  padding: 0.6rem 1rem;
  margin: 1.25rem 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---- News (posts) ---- */

.post-date, .news-list .entry-date {
  color: var(--muted);
  font-size: 0.85rem;
}

.post-date {
  margin: -0.5rem 0 1.25rem;
}

.news-list {
  list-style: none;
  padding-left: 0;
}

.news-list li {
  margin-bottom: 1.1rem;
}

.news-list .entry-date {
  display: block;
}

/* ---- Code ---- */

pre, code {
  font-family: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
}

code {
  background: var(--code-bg);
  padding: 0.1em 0.3em;
  border-radius: 2px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.8rem 1rem;
  overflow-x: auto;
  line-height: 1.45;
}

pre code {
  background: none;
  padding: 0;
}

/* ---- Tables ---- */

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.25rem 0;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.4rem 0.7rem;
  border-bottom: 1px solid var(--rule);
}

th {
  border-bottom: 2px solid var(--muted);
  font-weight: 600;
}

tbody tr:nth-child(even) {
  background: rgba(217, 210, 194, 0.15);
}

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--rule);
  margin: 3rem 0 2rem;
  padding-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Small screens ---- */

@media (max-width: 40rem) {
  body { font-size: 1rem; padding: 0 1rem; }
  .site-nav ul { gap: 0.2rem 0.9rem; }
  table { font-size: 0.8rem; }
  th, td { padding: 0.3rem 0.4rem; }
}