:root{--bg:#f8f9fa;--bg-card:#fff;--bg-input:#fff;--border:#e2e8f0;--text:#111;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--success:#22c55e;--success-bg:#f0fdf4;--warning:#eab308;--warning-bg:#fefce8;--error:#ef4444;--error-bg:#fef2f2;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}input,select,button{font-family:inherit;font-size:inherit}