body:not(.tfn-authenticated) > :not(script):not(style):not(link):not(#tfn-auth-screen) {visibility:hidden!important}
#tfn-auth-screen{position:fixed;z-index:99999;inset:0;display:flex;align-items:center;justify-content:center;background:#111;color:#f5f5f5;padding:18px;font:16px system-ui}
#tfn-auth-screen[hidden]{display:none!important}
#tfn-auth-card{background:#202020;width:min(430px,100%);padding:30px;border:1px solid #484848;border-radius:14px;box-shadow:0 10px 55px #0008}
#tfn-auth-card h2{margin:0 0 10px;font-size:24px}
#tfn-auth-card p{line-height:1.5;color:#c1c1c1}
#tfn-auth-card label{display:block;margin:16px 0 6px}
#tfn-auth-card input{display:block;width:100%;background:#fff;color:#111;border:1px solid #bbb;border-radius:6px;padding:12px}
#tfn-auth-card button{margin-top:20px;background:#f25826;border:0;border-radius:7px;color:white;width:100%;padding:12px;font-weight:700;cursor:pointer}
#tfn-auth-error{color:#ffb4a5!important;min-height:24px}
#tfn-logout{position:fixed;bottom:12px;right:12px;z-index:100;background:#222;color:white;border:1px solid #888;border-radius:7px;padding:7px 12px;cursor:pointer}