:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:rgba(30,41,59,0.7);--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#10b981;--accent-hover:#059669;--accent-gradient:linear-gradient(135deg,#10b981,#06b6d4);--border:rgba(148,163,184,0.15);--radius:12px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;min-height:100vh}a{color:inherit;text-decoration:none}