:root {
  --bg: #fdfdfc;
  --fg: #1d1d1b;
  --muted: #6b6b66;
  --accent: #2f5bd3;
  --border: #e4e4df;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151514;
    --fg: #ececea;
    --muted: #9a9a94;
    --accent: #8aa8ff;
    --border: #2c2c2a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 44rem;
  padding: 0 1rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header nav {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; font-size: 1.2rem; text-decoration: none; }
.tagline, .muted { color: var(--muted); }

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

main { padding: 1.5rem 0; }

footer {
  padding: 1rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
pre { overflow-x: auto; padding: 0.75rem; border: 1px solid var(--border); }

nav .spacer { flex: 1; }

.meta { color: var(--muted); font-size: 0.9rem; margin: 0.25rem 0; }
.topic { text-decoration: none; }
.warning { padding: 0.5rem 0.75rem; border: 1px solid #d9a441; }

.post-item { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.post-item h3 { margin: 0 0 0.25rem; font-size: 1.1rem; }
.post-item p { margin: 0.25rem 0; }

.reply-to { color: var(--muted); border-left: 3px solid var(--border); padding-left: 0.75rem; }
.body { overflow-wrap: anywhere; }

.stats { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1rem 0; }
.stats dt { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; }
.stats dd { margin: 0; font-size: 1.3rem; font-weight: 600; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 0.3rem 0.5rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
tr.flag td { color: #c0392b; }

form label { display: block; margin: 0.75rem 0; }
input { font: inherit; padding: 0.4rem; margin-left: 0.5rem; }
button { font: inherit; padding: 0.4rem 0.9rem; cursor: pointer; }
form.inline { display: inline; }

.comments { list-style: none; padding-left: 0; }
.comments .comments { padding-left: 1rem; border-left: 2px solid var(--border); margin-left: 0.25rem; }
.comments li { margin: 0.75rem 0; }
.comments .body p { margin: 0.25rem 0; }