:root { color-scheme: dark; --bg: #05050a; --text: #f1efe8; --muted: #a9a8a3; --line: rgba(255,255,255,0.1); --warm: #ff7a3a; --cool: #4da3ff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 56px 20px 80px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 36px; }
header img { width: 64px; height: 64px; border-radius: 15px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0; }
header p { margin: 2px 0 0; color: var(--muted); }
h2 { font-size: 20px; margin: 36px 0 8px; }
p, li { color: var(--text); }
ul { padding-left: 22px; }
a { color: var(--cool); }
nav { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; display: flex; gap: 20px; flex-wrap: wrap; }
.note { color: var(--muted); font-size: 15px; }