:root {
  color-scheme: light dark;
  --bg: #0f0f10;
  --surface: #1a1a1c;
  --text: #f2f2f3;
  --muted: #a1a1a6;
  --accent: #7c6cff;
  --border: #2c2c2e;
  --max-width: 42rem;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.6;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7f8;
    --surface: #ffffff;
    --text: #111114;
    --muted: #5c5c63;
    --border: #e4e4e8;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

header,
main,
footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem;
}

header {
  padding-top: 2rem;
}

.site-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.site-subtitle {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
}

main {
  padding-bottom: 2rem;
}

article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
}

h1 {
  margin-top: 0;
  font-size: 1.35rem;
}

h2 {
  margin-top: 1.5rem;
  font-size: 1.05rem;
}

p,
ul,
ol {
  margin: 0.75rem 0 0;
}

ul,
ol {
  padding-left: 1.25rem;
}

.meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.callout {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

footer {
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  padding-bottom: 2rem;
}