.auth-bg{isolation:isolate;background-color:var(--t-ground,#171717);background-image:var(--t-ground-image,none);position:relative}.auth-bg:before{content:"";z-index:-2;pointer-events:none;background-image:radial-gradient(46% 38% at 14% 2%, var(--t-aurora-1,#1a6ee057), transparent 68%), radial-gradient(42% 34% at 88% 8%, var(--t-aurora-2,#10acce42), transparent 66%), radial-gradient(58% 30% at 50% 0%, var(--t-aurora-3,#8660f233), transparent 72%);filter:blur(6px);position:absolute;inset:0}.auth-bg>.pg-field{z-index:-1;pointer-events:none;width:100%;height:100%;display:block;position:absolute;inset:0}.auth-bg>:not(.pg-field){position:relative}.auth-bg>.auth-backbtn,.auth-backbtn{z-index:2;border:1px solid var(--t-hair,#e4e9f1);border-radius:var(--ctl-radius);background:var(--t-surface,#fff);min-height:44px;color:var(--t-body,#454e5c);box-shadow:var(--ctl-shadow);align-items:center;gap:7px;padding:0 16px;font-family:Inter,sans-serif;font-size:14.5px;font-weight:600;text-decoration:none;transition:background-color .14s,border-color .14s,color .14s;display:inline-flex;position:absolute;top:clamp(14px,2.2vw,24px);right:clamp(14px,2.4vw,28px)}.auth-backbtn:hover{background:var(--t-surface-2,#f2f5fa);border-color:var(--t-hair-strong,#cfd8e6);color:var(--t-ink,#0f2143)}.auth-backbtn:focus-visible{outline:2px solid var(--t-accent,#125389);outline-offset:2px}