*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:#0a0a0a;color:#e5e5e5;line-height:1.6}a{color:inherit}h1,h2,h3,h4,h5,h6{margin-top:0;line-height:1.2}p{margin-top:0}code{font-family:JetBrains Mono,Fira Code,Menlo,monospace}:root{--header-height:56px;--agent-panel-width:384px;--background:#0a0a0a;--foreground:#e5e5e5;--surface:#111;--surface-2:#1a1a1a;--border:#222;--muted:#666;--subtle:#a3a3a3;--accent:#3b82f6;--accent-hover:#2563eb;--success:#22c55e}