:root {
  --bg: #0e1116; --card: #161b22; --border: #262c36;
  --text: #e6edf3; --muted: #8b949e; --accent: #d2a8ff; --accent-hover: #e6ccff;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; justify-content: center;
  padding: 3rem 1.25rem; background: var(--bg); color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { width: 100%; max-width: 680px; }
.up { font-size: .9rem; margin: 0 0 1.75rem; }
.up a { color: var(--muted); text-decoration: none; }
.up a:hover { color: var(--accent); text-decoration: underline; }
h1 { font-size: 1.85rem; line-height: 1.25; margin: 0 0 .6rem; letter-spacing: -.01em; }
.lead { color: var(--muted); font-size: 1.05rem; margin: 0 0 2rem; }
h2 { font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
     color: var(--muted); margin: 2.25rem 0 .8rem; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin-bottom: .4rem; }
pre { background: var(--card); border: 1px solid var(--border); border-radius: 10px;
      padding: .9rem 1.1rem; overflow-x: auto; font-size: .9rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
p code, li code { background: var(--card); border: 1px solid var(--border);
                  border-radius: 5px; padding: .1rem .35rem; font-size: .88rem; }
.links { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: .95rem; margin-top: 2.5rem; }
.links a { color: var(--accent); text-decoration: none; }
.links a:hover { color: var(--accent-hover); text-decoration: underline; }
footer { margin-top: 2.5rem; color: var(--muted); font-size: .85rem; }