:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #666666;
  --accent: #ff3d71;
  --line: #e5e5e5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --text: #f0f0f0;
    --muted: #a0a0a0;
    --line: #2c2c2c;
  }
}
* { 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: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.8rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
a { color: var(--accent); }
.lang { text-align: right; font-size: 0.9rem; margin: 0 0 16px; }
.fecha { color: var(--muted); margin: 0 0 20px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
ul { padding-left: 1.2rem; }
li { margin-bottom: 6px; }