:root{--text:#1d1d1f;--text-muted:#6e6e73;--bg:#fff;--bg-soft:#f5f5f7;--bg-strong:#e8e8ed;--border:#d2d2d7;--accent:#0071e3;--danger:#c4122f;--success:#1a7f37;--q1:#ff3b30;--q2:#0071e3;--q3:#ff9f0a;--q4:#aeaeb2;--user-gustave:#5856d6;--user-nicolas:#248a3d}*,:before,:after{box-sizing:border-box}body{color:var(--text);background:var(--bg);margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}main{padding:1rem}button,input,select{font:inherit}