:root{--bg:#0d1117;--card:#161b22;--line:#233043;--fg:#e6edf3;--dim:#8b98a9;--acc:#3fb950}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font:15px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
header{border-bottom:1px solid var(--line);background:#0b0f14}
nav{max-width:960px;margin:0 auto;padding:1rem 1.2rem;display:flex;gap:1.4rem;align-items:center;flex-wrap:wrap}
.logo{font-weight:700;letter-spacing:.3px}
.logo span{color:var(--acc)}
nav a{color:var(--dim);font-size:14px}
main{max-width:960px;margin:0 auto;padding:2.4rem 1.2rem}
h1{font-size:1.7rem;margin-bottom:.7rem}
h2{font-size:1.1rem;margin:1.8rem 0 .6rem}
p{color:var(--dim);margin-bottom:.8rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.4rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem}
.card b{color:var(--fg)}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
pre{background:#0b0f14;border:1px solid var(--line);border-radius:8px;padding:1rem;overflow:auto;color:#c9d1d9}
table{width:100%;border-collapse:collapse;margin:.6rem 0}
th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);font-size:14px}
th{color:var(--dim);font-weight:600}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--acc);margin-right:.45rem}
footer{border-top:1px solid var(--line);color:var(--dim);font-size:13px}
footer div{max-width:960px;margin:0 auto;padding:1.2rem}