:root{--bg: #f8f9fa;--surface: #ffffff;--text: #1a1a2e;--accent: #2563eb;--accent-hover: #1d4ed8;--border: #e2e8f0;--muted: #64748b;--success: #22c55e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh}#root{display:flex;flex-direction:column;min-height:100vh}