.auth-main{max-width:none;padding:0}
.auth-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:max(680px,calc(100svh - 157px))}
.auth-left{display:flex;align-items:center;justify-content:center;min-width:0;padding:56px clamp(24px,5vw,72px)}
.auth-box{width:min(100%,420px)}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;margin-bottom:28px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}
.auth-tabs button{min-height:44px;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--muted);font-size:.94rem;font-weight:700}
.auth-tabs button[aria-selected=true]{border-color:var(--line);background:var(--bg);color:var(--text)}
.auth-box h1{margin:0 0 10px;font-size:clamp(2rem,3vw,2.65rem);line-height:1.12;letter-spacing:-.04em}
.auth-intro{margin:0 0 26px;color:var(--muted);line-height:1.55;font-size:.96rem}
.auth-socials{display:grid;gap:10px}
.auth-social{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:11px;padding:10px 18px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);font-weight:650}
.auth-social:hover,.auth-secondary:hover{border-color:var(--accent)}
.auth-social svg{display:block;width:20px;height:20px;flex:0 0 20px;overflow:visible}
.auth-social span{min-width:0}
.auth-divider{display:flex;align-items:center;gap:14px;margin:22px 0;color:var(--muted);font-size:.85rem;white-space:nowrap}
.auth-divider::before,.auth-divider::after{content:"";height:1px;flex:1;background:var(--line)}
.auth-field{margin-bottom:16px}
.auth-field label{display:block;margin-bottom:7px;font-size:.88rem;font-weight:700}
.auth-field input{display:block;width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);font-size:1rem}
.auth-field input:focus{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:0}
.auth-field input[aria-invalid=true]{border-color:#dc2626}
.auth-field small{display:block;margin-top:6px;color:var(--muted);font-size:.76rem}
#auth-username-status[data-kind=ok]{color:var(--accent)}
#auth-username-status[data-kind=error]{color:#dc2626}
.auth-strength{display:flex;gap:5px;margin-top:9px}
.auth-strength i{height:4px;flex:1;border-radius:999px;background:var(--line)}
.auth-strength[data-score="1"] i:nth-child(-n+1),.auth-strength[data-score="2"] i:nth-child(-n+2),.auth-strength[data-score="3"] i:nth-child(-n+3),.auth-strength[data-score="4"] i{background:var(--accent)}
.auth-password-wrap{position:relative}
.auth-password-wrap input{padding-right:52px}
.auth-eye{position:absolute;right:5px;top:5px;display:grid;place-items:center;width:38px;height:38px;padding:0;border:0;border-radius:8px;background:transparent;color:var(--muted)}
.auth-eye svg{width:20px;height:20px}
.auth-eye .lucide-eye-off,.auth-eye[aria-pressed=true] .lucide-eye{display:none}
.auth-eye[aria-pressed=true] .lucide-eye-off{display:block}
.auth-eye:hover{color:var(--accent);background:var(--panel)}
.auth-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:1px 0 20px;font-size:.86rem}
.auth-check{display:flex;align-items:center;gap:9px;font-size:.86rem;color:var(--muted);line-height:1.4}
.auth-check input{width:18px;height:18px;flex:none;accent-color:var(--accent)}
.auth-check a,.auth-link{color:var(--accent)}
.auth-check.auth-signup-only{margin:2px 0 21px}
.auth-link{padding:0;border:0;background:none;text-decoration:underline;text-underline-offset:3px;font-weight:650;font-size:inherit}
.auth-submit{display:flex;justify-content:center;align-items:center;width:100%;min-height:49px;margin-top:18px;padding:10px 18px;border:1px solid var(--accent);border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:750}
.auth-submit:hover{filter:brightness(.95)}
.auth-submit:disabled,.auth-secondary:disabled,.auth-social:disabled{opacity:.6;cursor:wait}
.auth-secondary{display:flex;justify-content:center;align-items:center;width:100%;min-height:46px;padding:10px 18px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text);font-weight:650}
.auth-code-help{margin:18px 0 12px;color:var(--muted);font-size:.85rem}
.auth-resend{display:block;margin:14px auto 0;font-size:.86rem}
.auth-resend:disabled{color:var(--muted);cursor:default;text-decoration:none}
.auth-captcha{display:flex;justify-content:center;min-height:12px;margin-top:18px}
.auth-feedback{margin:17px 0 0;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--panel);font-size:.87rem;line-height:1.5}
.auth-feedback[data-kind=error]{border-color:#dc2626;color:#b91c1c}
:root[data-theme=dark] .auth-feedback[data-kind=error]{color:#fca5a5}
.auth-bottom{text-align:center;color:var(--muted);font-size:.87rem}
.auth-bottom p{margin:21px 0 10px}
.auth-alternate{display:inline-block;margin-top:2px}
.auth-side{display:grid;place-items:center;min-width:0;overflow:hidden;border-left:1px solid var(--line);background:var(--panel)}
.auth-side-inner{width:min(100%,640px);padding:48px clamp(25px,4vw,64px)}
.auth-card-stack{position:relative;width:min(100%,490px);height:370px;margin:auto;perspective:1000px}
.auth-card{position:absolute;top:50%;left:50%;display:block;width:72%;height:auto;aspect-ratio:1712/1080;object-fit:cover;border-radius:18px;border:1px solid #fff5;box-shadow:0 22px 45px #0004;animation:auth-float 7s ease-in-out infinite}
.auth-card-one{transform:translate(-73%,-88%) rotate(-14deg);animation-delay:-1.5s}
.auth-card-two{transform:translate(-39%,-49%) rotate(8deg);animation-delay:-3.5s}
.auth-card-three{transform:translate(-56%,-13%) rotate(-3deg);animation-delay:-5.5s}
@keyframes auth-float{50%{translate:0 -9px}}
.auth-side-copy{max-width:470px;margin:12px auto 0;text-align:center}
.auth-side-copy strong{font-size:clamp(1.35rem,2vw,1.8rem);letter-spacing:-.03em}
.auth-side-copy p{margin:9px 0 0;color:var(--muted);line-height:1.55}
.auth-main [hidden]{display:none!important}
.auth-main :focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(max-width:900px){.auth-shell{grid-template-columns:1fr;min-height:calc(100svh - 160px)}.auth-left{padding:52px 24px 64px}.auth-side{display:none}}
@media(max-width:520px){.auth-left{padding:36px 20px 52px}.auth-tabs{margin-bottom:23px}.auth-box h1{font-size:2rem}}
@media(prefers-reduced-motion:reduce){.auth-card{animation:none}}