#nm-referral-panel {position:fixed;inset:0;margin:auto;width:min(540px,calc(100% - 40px));box-sizing:border-box;max-height:calc(100dvh - 40px);overflow-y:auto;padding:32px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);box-shadow:0 16px 60px #0003}
#nm-referral-panel::backdrop {background:rgb(0 0 0 / 45%)}
#nm-referral-panel[hidden],#nm-referral-panel [hidden] {display:none!important}
#nm-referral-panel h2 {font-size:24px;line-height:1.25;margin:0 0 18px}
#nm-referral-title:focus {outline:none}
#nm-referral-panel p {font-size:14px;line-height:1.6;margin:0 0 12px}
#nm-referral-panel .nm-referral-benefit {font-size:18px;font-weight:650;line-height:1.4;margin-bottom:16px}
#nm-referral-panel .nm-referral-optional {font-size:12px;color:var(--ink-mute);margin:16px 0 0}
#nm-referral-panel a {font-size:14px;text-decoration:underline}
.nm-referral-actions {display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.nm-referral-actions .btn {white-space:normal;min-height:44px}
@media(max-width:575px){#nm-referral-panel{width:calc(100% - 24px);max-height:calc(100dvh - 24px);padding:24px}.nm-referral-actions .btn{flex:1 1 100%}}