:root {
  color-scheme: light dark;
  --bg: #f4f4f5;
  --surface: #ffffff;
  --text: #18181b;
  --muted: #52525b;
  --accent: #e11d48;
  --border: #e4e4e7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b;
    --surface: #121214;
    --text: #f4f4f5;
    --muted: #a1a1aa;
    --border: #2a2a30;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header {
  margin-bottom: 28px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
  text-decoration: none;
}

nav {
  margin-top: 12px;
  font-size: 0.9rem;
}

nav a {
  color: var(--muted);
  margin-right: 16px;
}

main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px 36px;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 8px;
  line-height: 1.2;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 24px;
}

h2 {
  font-size: 1.1rem;
  margin: 28px 0 10px;
}

p,
li {
  color: var(--text);
}

p {
  margin: 0 0 12px;
}

ul {
  margin: 0 0 12px;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 6px;
}

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

footer {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--muted);
}