/* Skeleton styles: layout only. Restyle freely later. */
:root {
  --bg: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --line: #d9dde3;
  --accent: #1a5fb4;
  --max: 64rem;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171a; --text: #e6e8eb; --muted: #9aa3ad; --line: #2c3239; --accent: #7ab0ff; }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--bg); padding: .5rem; }

/* Header + navigation */
.site-header {
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.25rem .5rem;
  max-width: var(--max);
  margin: 0 auto;
}
.site-title { font-size: 1.25rem; font-weight: 700; text-decoration: none; color: var(--text); }
nav ul { list-style: none; margin: .75rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem .25rem; }
nav a {
  display: block; padding: .4rem .75rem; border-radius: 4px;
  text-decoration: none; color: var(--text);
}
nav a:hover { background: var(--line); }
nav a[aria-current="page"] { font-weight: 700; box-shadow: inset 0 -2px 0 var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Page content */
main { max-width: var(--max); margin: 0 auto; padding: 2rem 1.25rem 4rem; }
h1 { margin: 0 0 1rem; font-size: 2rem; line-height: 1.2; }
.authors { color: var(--muted); min-height: 1.6em; }
main section {
  min-height: 12rem;
  border: 2px dashed var(--line);   /* makes the empty content area visible; delete once real content exists */
  border-radius: 6px;
  padding: 1rem;
}

.site-footer { max-width: var(--max); margin: 0 auto; padding: 1rem 1.25rem; border-top: 1px solid var(--line); min-height: 3rem; }