:root{--bg-color:#f8fafc;--text-main:#0f172a;--primary:#3b82f6;--secondary:#64748b;--accent:#8b5cf6;--border-radius:8px;--font-family:"Inter",system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--bg-color:#0f172a;--text-main:#f8fafc;--primary:#60a5fa;--secondary:#94a3b8;--accent:#a78bfa}}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-family);-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:2rem}