:root {
  --bg: #0f1115;
  --fg: #e6e6e6;
  --muted: #9aa0a6;
  --accent: #6ea8fe;
  --card: #171a21;
  --border: #262b33;
  --maxw: 720px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.site {
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

header.site h1 {
  margin: 0 0 .25rem;
  font-size: 1.6rem;
}

header.site p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

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

.post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }

.post-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
}

.post-card h2 { margin: 0 0 .35rem; font-size: 1.15rem; }
.post-card time { color: var(--muted); font-size: .85rem; }
.post-card p { margin: .5rem 0 0; color: var(--muted); }

article.post h1 { font-size: 1.7rem; margin-bottom: .25rem; }
article.post .meta { color: var(--muted); font-size: .9rem; margin-bottom: 2rem; }
article.post p { margin: 0 0 1.1rem; }

.back { display: inline-block; margin-bottom: 2rem; color: var(--muted); }

footer.site {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
}

.error-page { text-align: center; padding-top: 4rem; }
.error-page .code { font-size: 4rem; font-weight: 700; color: var(--accent); }