:root {
  --bg: #0F1222; --card: #1A1E33; --border: #2C3252; --text: #EEF0F7; --muted: #A9AFCB; --accent: #C6F432; --on-accent: #0F1222;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #F6F7FB; --card: #FFFFFF; --border: #DDE1EE; --text: #141833; --muted: #565C7A; --accent: #C6F432; --on-accent: #0F1222; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
header.site img { width: 48px; height: 48px; border-radius: 12px; }
header.site a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 22px; }
h1 { font-size: 34px; line-height: 1.15; margin: 8px 0 12px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
h3 { font-size: 18px; margin: 20px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--text); text-decoration-color: var(--accent); text-underline-offset: 3px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 20px; margin: 16px 0; }
.btn {
  display: inline-block; background: var(--accent); color: var(--on-accent); font-weight: 700; text-decoration: none;
  padding: 14px 22px; border-radius: 14px; margin: 6px 8px 6px 0;
}
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.code { font: 700 32px/1.2 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: 4px; color: var(--accent); }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); margin-right: 16px; }
.draft { border: 2px dashed var(--accent); border-radius: 14px; padding: 10px 14px; font-size: 14px; }