:root{--bg-page:#f7f7f5;--bg-surface:#fff;--text-primary:#1a1a1a;--text-secondary:#6b7280;--text-muted:#9ca3af;--border:#e5e5e5;--hover:#f4f4f5;--radius:8px;--radius-lg:12px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}