:root {
  --bg: #0d0d12;
  --panel: #141419;
  --text: #e7e7ed;
  --muted: #8a8a94;
  --accent: #9b72cf;
  --border: rgba(155, 114, 207, 0.15);
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
header a.home {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
header a.home:hover { text-decoration: underline; }
h1 {
  font-size: 32px; font-weight: 700;
  margin: 16px 0 8px;
  letter-spacing: -0.5px;
}
h2 {
  font-size: 20px; font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text);
}
p, li { color: var(--text); }
.updated {
  color: var(--muted);
  font-size: 14px;
}
ul, ol { padding-left: 24px; }
li { margin-bottom: 8px; }
.operator {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 24px 0;
}
.operator strong { color: var(--accent); }
code {
  background: rgba(255,255,255,0.05);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}
a { color: var(--accent); }
footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }
