:root {
  --bg: #ffffff;
  --bg-light: #f8f9fa;
  --card: #ffffff;
  --text: #2c4154;
  --text-light: #6c757d;
  --muted: #6c757d;
  --link: #2e91ca;
  --link-hover: #1e6b9a;
  --border: #e9ecef;
  --primary: #2c4154;
  --secondary: #2e91ca;
}
*{ box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, 'Noto Sans', 'Helvetica Neue', Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
  line-height: 1.65;
  background: var(--bg);
  color: var(--text);
}
.wrap { max-width: 820px; margin: 0 auto; padding: 1.25rem; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.site-footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}
.brand {
  font-weight: 700;
  margin-right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand img {
  width: 256px;
  height: auto;
}
nav a { margin-right: .75rem; color: var(--muted); }
nav a:hover { color: var(--text); }
h1,h2,h3 { line-height: 1.25; color: var(--primary); }
h1 { color: var(--primary); }
h2 { color: var(--primary); }
h3 { color: var(--secondary); }
.post-list { list-style: none; padding: 0; }
.post-list li {
  padding: .75rem 0;
  border-bottom: 1px dashed var(--border);
}
.post-title { margin-bottom: .25rem; }
.post-meta { color: var(--muted); margin-top: 0; }
.excerpt { color: var(--muted); }
pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: var(--bg-light);
  border: 1px solid var(--border);
}
blockquote {
  border-left: 4px solid var(--secondary);
  background: var(--bg-light);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 4px 4px 0;
}
strong {
  color: var(--primary);
}
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}