:root { --bg:#0d1117; --panel:#161b22; --border:#30363d; --fg:#e6edf3; --muted:#9da7b3; --accent:#58a6ff; --code:#1f2630; }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; }
a { color:var(--accent); text-decoration:none; } a:hover { text-decoration:underline; }
.wrap { max-width:760px; margin:0 auto; padding:0 20px; }
.nav { padding:20px 0; border-bottom:1px solid var(--border); font-size:.92rem; }
.nav a { color:var(--muted); } .nav a:hover { color:var(--accent); }
article { padding:8px 0 24px; }
article h1 { font-size:2rem; line-height:1.22; letter-spacing:-.01em; margin:32px 0 10px; }
article h2 { font-size:1.4rem; margin:40px 0 10px; }
article h3 { font-size:1.1rem; margin:28px 0 6px; }
.meta { color:var(--muted); font-size:.9rem; margin-bottom:8px; }
article p, article li { font-size:1.02rem; }
ul, ol { padding-left:22px; } li { margin:6px 0; }
pre { background:var(--code); border:1px solid var(--border); border-radius:8px; padding:14px 16px; overflow:auto; }
code { font:13.5px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }
p code, li code, td code { background:var(--code); padding:1px 6px; border-radius:5px; }
table { border-collapse:collapse; width:100%; margin:14px 0; font-size:.95rem; }
th, td { border:1px solid var(--border); padding:8px 12px; text-align:left; }
th { background:var(--panel); }
blockquote { margin:18px 0; padding:2px 16px; border-left:3px solid var(--accent); color:var(--muted); background:rgba(88,166,255,.05); border-radius:0 8px 8px 0; }
.callout { background:var(--panel); border:1px solid var(--border); border-left:3px solid var(--accent); border-radius:8px; padding:14px 18px; margin:22px 0; }
.cta { display:inline-block; margin:6px 8px 6px 0; padding:9px 16px; border:1px solid var(--border); border-radius:9px; background:var(--panel); font-size:.95rem; }
.cta.primary { background:var(--accent); color:#08111f; border-color:var(--accent); font-weight:600; }
.related { margin:36px 0 0; padding:18px; background:var(--panel); border:1px solid var(--border); border-radius:10px; }
.related h2 { font-size:1rem; margin:0 0 8px; text-transform:uppercase; letter-spacing:.05em; color:var(--muted); }
footer { margin:48px 0 40px; padding-top:22px; border-top:1px solid var(--border); color:var(--muted); font-size:.88rem; }