:root {
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #0055aa;
  --bg: #fdfdfd;
  --rule: #e5e5e5;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
  line-height: 1.6;
}

a { color: var(--accent); }

.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 3rem 1rem;
  margin-bottom: 2rem;
  margin-left: -1rem;
  margin-right: -1rem;
  background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/static/pgh_steampunk_city.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  border-radius: 4px 4px 0 0;
}
.site-title { margin: 0; font-size: 2rem; }
.site-title a { color: #fff; text-decoration: none; text-shadow: 1px 1px 3px rgba(0,0,0,0.8); }
.site-description { color: #ddd; margin: 0.25rem 0 0; text-shadow: 1px 1px 2px rgba(0,0,0,0.8); }

.site-nav { margin-top: 1rem; font-size: 0.95rem; }
.site-nav a { margin-right: 0.25rem; color: #add8e6; }
.nav-tag { font-size: 0.85rem; color: #aaa; }

.copyright { color: var(--muted); font-size: 0.85rem; margin: 0.25rem 0 0; }

.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 3rem;
  padding-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-header h1, .page-header h1 { margin-bottom: 0.25rem; }
.meta { color: var(--muted); font-size: 0.9rem; margin-top: 0; }

.tags { list-style: none; padding: 0; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tags li {
  font-size: 0.8rem;
  background: #eef;
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
}

.post-list { list-style: none; padding: 0; }
.post-list-item { padding: 0.75rem 0; border-bottom: 1px solid var(--rule); }
.post-list-item time { color: var(--muted); font-size: 0.9rem; margin-right: 0.75rem; }
.post-list-desc { margin: 0.25rem 0 0; color: var(--muted); }

pre, code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}
pre {
  background: #f4f4f4;
  padding: 0.75rem;
  border-radius: 4px;
  overflow-x: auto;
}
code { background: #f4f4f4; padding: 0.1em 0.3em; border-radius: 3px; }
pre code { background: none; padding: 0; }

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