:root{--bg:#0a0a0f;--bg-card:#12121a;--bg-input:#1a1a24;--border:#2a2a3a;--border-focus:#4f6ef7;--text:#e4e4e7;--text-muted:#8888a0;--text-heading:#fff;--primary:#4f6ef7;--primary-hover:#3d5ce5;--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--radius:8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}button{cursor:pointer}button,input,select,textarea{font-family:inherit}