.fb-auth{min-height:calc(100svh - var(--promo-h) - var(--header-h-mobile));background:var(--paper);padding:var(--space-8) var(--gutter);justify-content:center;align-items:center;display:flex}@media (min-width:768px){.fb-auth{min-height:calc(100svh - var(--promo-h) - var(--header-h))}}.fb-auth__col{width:100%;max-width:400px}.fb-auth__panel{display:none}@media (min-width:900px){.fb-auth--split{min-height:calc(100svh - var(--promo-h) - var(--header-h));grid-template-columns:minmax(0,1.15fr) minmax(400px,540px);justify-content:stretch;align-items:stretch;padding:0;display:grid}.fb-auth--split .fb-auth__panel{background:var(--ink);display:block;position:relative;overflow:hidden}.fb-auth--split .fb-auth__col{padding:var(--space-8) var(--space-4);flex-direction:column;justify-content:center;margin:0 auto;display:flex}}.fb-auth__slide{opacity:0;transition:opacity var(--dur-crossfade) var(--ease-signature);position:absolute;inset:0}.fb-auth__slide.is-active{opacity:1}.fb-auth__slide-img{object-fit:cover}@keyframes fbAuthKenBurns{0%{transform:scale(1)}to{transform:scale(1.08)}}.fb-auth__slide.is-kenburns .fb-auth__slide-img{animation:6s linear infinite alternate fbAuthKenBurns}.fb-auth__panel-scrim{z-index:1;pointer-events:none;background:linear-gradient(#0b1a2100 42%,#0b1a21eb 100%);position:absolute;inset:0}.fb-auth__caption{z-index:2;max-width:38ch;padding:var(--space-6) var(--space-6) var(--space-5);font:400 var(--text-lead)/1.5 var(--sans);color:var(--on-photo);opacity:0;transition:opacity var(--dur-crossfade) var(--ease-signature);margin:0;position:absolute;bottom:0;left:0;right:0}.fb-auth__caption.is-active{opacity:1}.fb-auth__caption strong{font-family:var(--display);font-weight:800}.fb-auth__card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:var(--space-4);box-shadow:var(--shadow-sm)}.fb-auth__card h1{font-family:var(--display);font-weight:800;font-size:var(--text-h3);letter-spacing:-.01em;color:var(--ink)}.fb-auth__sub{font-size:var(--text-small);color:var(--muted);margin-top:6px;line-height:1.5}.fb-auth__form{gap:var(--space-2);margin-top:var(--space-3);flex-direction:column;display:flex}.fb-auth__field label{font:600 var(--text-label)/1.3 var(--sans);letter-spacing:.01em;color:var(--body);margin-bottom:6px;display:block}.fb-auth__field input{width:100%;height:var(--control-h);border:1px solid var(--border-2);border-radius:var(--r-ctl);background:var(--surface);color:var(--ink);font:400 16px/1 var(--sans);transition:border-color var(--dur-ui) var(--ease-signature),box-shadow var(--dur-ui) var(--ease-signature);padding:0 14px}.fb-auth__field input::placeholder{color:var(--muted)}.fb-auth__field input:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);outline:none}.fb-auth__hint{font-size:var(--text-micro);color:var(--muted);margin-top:6px}.fb-auth__error{font-size:var(--text-small);color:var(--warn-ink);background:var(--warn-bg);border-radius:var(--r-ctl);padding:10px 12px;line-height:1.4}.fb-auth__success{text-align:center}.fb-auth__success-icon{border-radius:var(--r-pill);background:var(--ok-bg);width:52px;height:52px;color:var(--ok-ink);margin:0 auto var(--space-2);justify-content:center;align-items:center;display:flex}.fb-auth__continue{margin-top:var(--space-3)}.fb-auth__divider{margin:var(--space-2) 0;font:600 11px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);align-items:center;gap:12px;display:flex}.fb-auth__divider:before,.fb-auth__divider:after{content:"";background:var(--border);flex:1;height:1px}.fb-auth__google{justify-content:center;align-items:center;gap:10px;display:inline-flex}.fb-auth__foot{margin-top:var(--space-3);text-align:center;font-size:var(--text-small);color:var(--muted)}.fb-auth__foot a{color:var(--accent-2);font-weight:600}.fb-auth__foot a:hover{text-decoration:underline}.fb-auth__foot-links{margin-top:var(--space-2);font-size:var(--text-micro);color:var(--muted);justify-content:center;gap:12px;display:flex}.fb-auth__foot-links a:hover{color:var(--ink)}.fb-guard-state{min-height:60vh;padding:var(--space-4) var(--gutter);justify-content:center;align-items:center;display:flex}.fb-guard-card{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);max-width:360px;padding:var(--space-4)}.fb-guard-card h1{font-family:var(--display);color:var(--ink);font-size:18px;font-weight:800}.fb-guard-card p{font-size:var(--text-small);color:var(--muted);margin-top:8px;line-height:1.5}.fb-guard-card .btn{margin-top:var(--space-2)}.fb-guard-spinner{font-size:var(--text-small);color:var(--muted);align-items:center;gap:10px;display:flex}.fb-guard-spinner__dot{background:var(--accent);width:8px;height:8px;animation:fb-guard-pulse 1s var(--ease-signature) infinite;border-radius:50%}@keyframes fb-guard-pulse{0%,to{opacity:.35}50%{opacity:1}}@media (prefers-reduced-motion:reduce){.fb-guard-spinner__dot{opacity:1;animation:none}}