#ior-inactivity-overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.65);z-index:999999;padding:24px}
#ior-inactivity-overlay .ior-box{max-width:640px;width:100%;background:#fff;border-radius:16px;padding:24px;box-shadow:0 10px 40px rgba(0,0,0,.25);text-align:center;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
#ior-inactivity-overlay .ior-title{font-size:22px;font-weight:700;margin:0 0 8px}
#ior-inactivity-overlay .ior-text{font-size:16px;margin:0 0 16px;line-height:1.4}
#ior-inactivity-overlay .ior-countdown{font-size:18px;font-weight:700;margin:0 0 10px}
#ior-inactivity-overlay .ior-btn{margin-top:10px;border:0;border-radius:12px;padding:12px 16px;font-size:16px;font-weight:700;cursor:pointer}
#ior-inactivity-overlay .ior-btn:focus{outline:3px solid rgba(0,0,0,.25);outline-offset:2px}