:root { --bg:#0b0b0b; --fg:#dfe; --accent:#00ff66; }
body.dark { background: var(--bg); color: var(--fg); font-family: Inter, Arial, sans-serif; margin:0; }
.site-header { display:flex; align-items:center; justify-content:space-between; padding:12px 20px; background:#060606; border-bottom:1px solid rgba(0,255,102,0.06); }
.brand a { color: var(--accent); text-decoration:none; font-weight:700; font-size:18px; }
.main-nav a { margin:0 8px; color:var(--fg); text-decoration:none; }
.container { padding:20px; }
.page-content a { color:var(--accent); }