.registration-backdrop{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:-1;background:var(--rb-base,#0b1020);isolation:isolate}
body.has-registration-background{isolation:isolate}
.registration-backdrop-image{position:absolute;inset:-6%;background-size:cover;background-repeat:no-repeat;background-position:var(--rb-x,50%) var(--rb-y,50%);filter:blur(var(--rb-blur,0px));transform:translate3d(0,0,0);will-change:transform}
.registration-backdrop::after{content:'';position:absolute;inset:0;background:var(--rb-base,#0b1020);opacity:var(--rb-overlay,.45)}
.registration-backdrop[data-effect=drift] .registration-backdrop-image{animation:registration-drift 24s ease-in-out infinite alternate}
@keyframes registration-drift{from{transform:translate3d(calc(var(--rb-travel,12px) * -1),0,0) scale(1.01)}to{transform:translate3d(var(--rb-travel,12px),calc(var(--rb-travel,12px) * -.5),0) scale(1.04)}}
@media(prefers-reduced-motion:reduce),(pointer:coarse){.registration-backdrop-image{animation:none!important;transform:none!important;will-change:auto}}
@media print{.registration-backdrop{display:none!important}}
.registration-bg-dialog{color:var(--text,#e5efff);background:var(--bg2,#152034);border:1px solid #8498b855;border-radius:18px;padding:22px;width:min(850px,94vw);max-height:92dvh;overflow:auto;box-shadow:0 22px 90px #0007}
.registration-bg-dialog::backdrop{background:#050c1aba;backdrop-filter:blur(4px)}
.registration-bg-dialog h2{margin:0;font-size:22px}.registration-bg-dialog header,.registration-bg-dialog footer{display:flex;gap:10px;align-items:center;justify-content:space-between}.registration-bg-dialog header{margin-bottom:16px}.registration-bg-dialog footer{margin-top:18px;justify-content:flex-end;flex-wrap:wrap}
.registration-bg-controls{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}.registration-bg-controls label{display:grid;gap:6px;font-size:13px}.registration-bg-controls select,.registration-bg-controls input{width:100%;min-width:0}.registration-bg-controls input[type=range]{padding:0;accent-color:#38bdf8}
.registration-bg-preview{height:235px;position:relative;overflow:hidden;isolation:isolate;border-radius:12px;border:1px solid #8498b855;display:grid;place-items:center;background:#0b1020}
.registration-bg-preview .registration-backdrop{position:absolute}
.registration-bg-sample{position:relative;width:min(340px,75%);padding:20px;border:1px solid #8498b855;border-radius:12px;background:#142136f2;color:#edf5ff;box-shadow:0 8px 25px #0003}
.registration-bg-sample i{display:block;height:12px;margin-top:12px;width:85%;background:#ffffff1c;border-radius:4px}.registration-bg-sample i:last-child{width:55%}
.registration-bg-note{font-size:13px;color:var(--muted,#aec0d7);line-height:1.45}.registration-bg-status{font-size:13px;min-height:20px;white-space:pre-wrap}.registration-bg-status[data-error=true]{color:#ff9393}
.registration-bg-dialog footer{position:sticky;bottom:-22px;background:var(--bg2,#152034);border-top:1px solid #8498b855;padding:12px 0;margin-bottom:-10px;z-index:3}
@media(max-width:550px){.registration-bg-controls{grid-template-columns:1fr}.registration-bg-dialog{padding:16px}.registration-bg-preview{height:190px}.registration-bg-dialog footer{bottom:-16px}}