:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #5f6368;
  --border: #e3e3df;
  --accent: #2f6fde;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141517;
    --surface: #1c1d20;
    --text: #e8e8ea;
    --muted: #a0a3a8;
    --border: #2c2e33;
    --accent: #7aa7ff;
  }
}

* { box-sizing: border-box; }

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

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

header img { width: 44px; height: 44px; }
header a { color: inherit; text-decoration: none; }
header .name { font-size: 1.4rem; font-weight: 650; letter-spacing: -0.01em; }

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 12px; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; margin: 36px 0 8px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
code { font-size: 0.92em; }

.lede { font-size: 1.1rem; color: var(--muted); }
.updated { color: var(--muted); font-size: 0.9rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 24px 0;
}

.card p:last-child, .card ul:last-child { margin-bottom: 0; }

footer {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

footer a { color: var(--muted); }