:root{--bg-primary:#0a0a0a;--bg-secondary:#141414;--bg-card:#1a1a1a;--bg-hover:#222;--text-primary:#f5f5f5;--text-secondary:#999;--text-muted:#666;--border:#2a2a2a;--accent:#3b82f6;--accent-hover:#2563eb;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--radius:8px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"SF Mono","Fira Code",monospace}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}