.auth-page{min-height:var(--app-height);display:grid;grid-template-rows:1fr auto;padding:max(var(--chat-space-4),env(safe-area-inset-top)) max(var(--chat-space-3),env(safe-area-inset-right)) max(var(--chat-space-3),env(safe-area-inset-bottom)) max(var(--chat-space-3),env(safe-area-inset-left));background:radial-gradient(60rem 30rem at 50% -10%,color-mix(in srgb,var(--chat-accent) 8%,transparent),transparent 70%),var(--chat-bg)}.auth-main{display:grid;place-items:center}.auth-card{width:100%;max-width:24rem;padding:clamp(1.25rem,5vw,2rem);background:var(--chat-surface);border:1px solid var(--chat-border);border-radius:16px;box-shadow:0 18px 48px #00000059}.auth-mark{display:flex;justify-content:center;margin-bottom:var(--chat-space-2)}.auth-title{margin:0;text-align:center;font-size:clamp(1.5rem,6vw,1.75rem);font-weight:700;letter-spacing:-.01em}.auth-sub{margin:.35rem 0 var(--chat-space-4);text-align:center;color:var(--chat-muted);font-size:.95rem}.auth-form{display:grid;gap:var(--chat-space-1)}.auth-form label{font-size:.85rem;color:var(--chat-muted);margin-top:var(--chat-space-1)}.auth-form input{width:100%;min-height:44px;padding:.65em .85em;font-size:16px;background:var(--chat-bg);border:1px solid var(--chat-border);border-radius:var(--chat-radius-sm);color:var(--chat-text)}.auth-form input:focus-visible{outline:2px solid var(--chat-accent);outline-offset:1px;border-color:transparent}.auth-primary,.auth-secondary{width:100%;min-height:44px;margin-top:var(--chat-space-3);padding:.7em 1em;border-radius:var(--chat-radius-sm);font-size:1rem;font-weight:600;cursor:pointer}.auth-primary{border:1px solid var(--chat-accent);background:var(--chat-accent);color:var(--chat-on-accent)}.auth-secondary{margin-top:0;border:1px solid var(--chat-accent);background:transparent;color:var(--chat-accent)}.auth-secondary:disabled{opacity:.55;cursor:default}.auth-primary:focus-visible,.auth-secondary:focus-visible{outline:2px solid var(--chat-text);outline-offset:2px}.auth-divider{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:var(--chat-space-2);margin:var(--chat-space-3) 0;color:var(--chat-muted);font-size:.85rem}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--chat-border)}.auth-status{margin:var(--chat-space-2) 0 0;color:var(--chat-muted);font-size:.9rem;text-align:center}.auth-page .chat-footer,.auth-page footer{text-align:center;padding-top:var(--chat-space-3)}@media(prefers-reduced-motion:no-preference){.auth-primary,.auth-secondary{transition:filter .12s ease,opacity .12s ease}.auth-primary:hover{filter:brightness(1.05)}}