.auth-surface{--auth-accent:var(--clr-primary);--auth-accent-hover:var(--clr-primary-dark);--auth-focus-ring:var(--clr-focus-ring);--auth-control-border:var(--clr-border);--auth-shadow-xs:0 1px 2px #1018280d;background:var(--clr-surface-muted);min-height:100dvh;color:var(--clr-text)}.auth-surface--teacher{--auth-accent:var(--clr-teacher-dark);--auth-accent-hover:var(--clr-teacher);--auth-focus-ring:color-mix(in srgb, var(--clr-teacher-dark) 20%, transparent)}.auth-surface--parent{--auth-accent:var(--clr-primary);--auth-accent-hover:var(--clr-primary-dark);--auth-focus-ring:var(--clr-focus-ring)}.auth-topbar{justify-content:space-between;align-items:center;gap:var(--sp-3);width:min(100% - 2rem,64rem);padding:var(--sp-3) 0;margin:0 auto;display:flex}.auth-topbar__brand{color:var(--clr-text);font-size:var(--font-size-lg);font-weight:700;text-decoration:none}.auth-topbar__back{border:1px solid var(--auth-control-border);background:var(--clr-surface);min-height:2.25rem;color:var(--clr-text);font-size:var(--font-size-sm);box-shadow:var(--auth-shadow-xs);border-radius:.5rem;justify-content:center;align-items:center;padding:.375rem .75rem;font-weight:600;text-decoration:none;display:inline-flex}.auth-topbar__back:hover{background:var(--clr-surface-muted)}.auth-main{width:min(100% - 2rem,64rem);padding:var(--sp-4) 0 var(--sp-6);margin:0 auto}.auth-layout{gap:var(--sp-8);grid-template-columns:minmax(0,27rem) minmax(0,1fr);align-items:start;display:grid}.auth-card{border:1px solid var(--clr-border);background:var(--clr-surface);width:100%;box-shadow:var(--auth-shadow-xs);border-radius:.75rem;overflow:hidden}.auth-card__header{padding:var(--sp-8) var(--sp-8) 0;color:var(--clr-text)}.auth-card__eyebrow{display:none}.auth-card__title{color:inherit;font-size:var(--font-size-2xl);letter-spacing:-.02em;margin:0 0 .375rem;font-weight:600;line-height:1.25}.auth-card__sub{color:var(--clr-text-muted);font-size:var(--font-size-sm);margin:0;line-height:1.5}.auth-card__body{padding:var(--sp-6) var(--sp-8) var(--sp-8)}.auth-fields{gap:var(--sp-4);margin-bottom:var(--sp-5);flex-direction:column;display:flex}.auth-field{flex-direction:column;gap:.375rem;display:flex}.auth-label{color:var(--clr-text);font-size:var(--font-size-sm);font-weight:500}.auth-input{width:100%;min-height:2.75rem;padding:var(--sp-2) .875rem;border:1px solid var(--auth-control-border);background:var(--clr-surface);color:var(--clr-text);font:inherit;box-shadow:var(--auth-shadow-xs);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);border-radius:.5rem}.auth-input:focus-visible{border-color:var(--auth-accent);box-shadow:0 0 0 2px #fff, 0 0 0 4px var(--auth-focus-ring);outline:none}.auth-privacy{margin:0 0 var(--sp-3);color:var(--clr-text-muted);font-size:var(--font-size-sm);line-height:1.5}.auth-turnstile{min-height:4.1rem;margin-bottom:var(--sp-2)}.auth-message{min-height:1.4em;margin:0 0 var(--sp-3);color:var(--fb-err-soft);font-size:var(--font-size-sm);font-weight:500}.auth-message:empty{min-height:0;margin:0}.auth-message--success{color:var(--fb-ok-soft)}.auth-button{justify-content:center;align-items:center;gap:var(--sp-2);width:100%;min-height:2.75rem;padding:var(--sp-2) var(--sp-5);font:inherit;font-size:var(--font-size-sm);box-shadow:var(--auth-shadow-xs);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);border:1px solid #0000;border-radius:.5rem;font-weight:600;display:inline-flex}.auth-button:focus-visible{box-shadow:0 0 0 2px #fff, 0 0 0 4px var(--auth-focus-ring);outline:none}.auth-button:disabled{cursor:wait;opacity:.65}.auth-button--primary{background:var(--auth-accent);color:var(--clr-text-inverse)}.auth-button--primary:hover:not(:disabled){background:var(--auth-accent-hover)}.auth-button--secondary{border-color:var(--auth-control-border);background:var(--clr-surface);color:var(--clr-text)}.auth-button--secondary:hover:not(:disabled){background:var(--clr-surface-muted)}.auth-button--google:before{content:"G";font-weight:700}.auth-divider{margin-top:var(--sp-4);text-align:center}.auth-divider__text{align-items:center;gap:var(--sp-3);margin:0 0 var(--sp-3);color:var(--clr-text-faint);font-size:var(--font-size-xs);display:flex}.auth-divider__text:before,.auth-divider__text:after{content:"";background:var(--clr-border);flex:1;height:1px}.auth-switch-group{justify-content:center;gap:var(--sp-2) var(--sp-4);margin-top:var(--sp-4);padding-top:var(--sp-4);border-top:1px solid var(--clr-border);text-align:center;flex-wrap:wrap;display:flex}.auth-switch{color:var(--clr-text-muted);font-size:var(--font-size-sm);margin:0}.auth-switch__link{color:var(--auth-accent);font:inherit;cursor:pointer;background:0 0;border:0;margin:0;padding:0;font-weight:600;text-decoration:none}.auth-switch__link:hover{color:var(--auth-accent-hover);text-underline-offset:2px;text-decoration:underline}.auth-aside{padding-top:var(--sp-8)}.auth-aside__eyebrow{display:none}.auth-aside__title{margin:0 0 var(--sp-2);color:var(--clr-text);font-size:var(--font-size-xl);letter-spacing:-.01em;font-weight:600;line-height:1.3}.auth-aside__lead{margin:0 0 var(--sp-7);max-width:34rem;color:var(--clr-text-muted);font-size:var(--font-size-sm);line-height:1.6}.auth-aside__list{gap:var(--sp-5);margin:0;padding:0;list-style:none;display:grid}.auth-aside__list li{gap:var(--sp-3);grid-template-columns:2.25rem minmax(0,1fr);align-items:start;display:grid}.auth-aside__icon{border:1px solid var(--clr-border);background:var(--clr-surface);width:2.25rem;height:2.25rem;color:var(--clr-text-muted);font-size:var(--font-size-sm);box-shadow:var(--auth-shadow-xs);border-radius:.5rem;place-items:center;line-height:1;display:grid}.auth-aside__list strong{color:var(--clr-text);font-size:var(--font-size-sm);font-weight:600;display:block}.auth-aside__list p{margin:var(--sp-1) 0 0;color:var(--clr-text-muted);font-size:var(--font-size-sm);line-height:1.55}.auth-aside__note{margin:var(--sp-6) 0 0;padding:var(--sp-4) var(--sp-5);border:1px solid var(--clr-border);background:var(--clr-surface);color:var(--clr-text-muted);font-size:var(--font-size-sm);border-radius:.75rem;line-height:1.55}.auth-aside__note a{color:var(--auth-accent);font-weight:600}.auth-footer{padding:var(--sp-6) 0 var(--sp-2);color:var(--clr-text-faint);font-size:var(--font-size-xs);text-align:center}.auth-footer__links{justify-content:center;gap:var(--sp-3);margin-bottom:var(--sp-2);flex-wrap:wrap;display:flex}.auth-footer__links a{color:inherit}.auth-footer__links a:hover{color:var(--auth-accent-hover)}@media (width<=900px){.auth-layout{gap:var(--sp-6);grid-template-columns:minmax(0,1fr);justify-items:center}.auth-card,.auth-aside{width:100%;max-width:32rem}.auth-aside{padding-top:0}}@media (width<=480px){.auth-topbar{align-items:flex-start}.auth-main{width:min(100% - 1.5rem,32rem);padding-top:var(--sp-3)}.auth-card__header{padding:var(--sp-6) var(--sp-5) 0}.auth-card__body{padding:var(--sp-5)}}@media (width>=901px) and (height<=840px){.auth-topbar{padding:var(--sp-2) 0}.auth-main{padding-bottom:0}.auth-card__header{padding:var(--sp-6) var(--sp-6) 0}.auth-card__body{padding:var(--sp-5) var(--sp-6) var(--sp-6)}.auth-fields{gap:var(--sp-3);margin-bottom:var(--sp-4)}.auth-divider,.auth-switch-group{margin-top:var(--sp-3)}.auth-switch-group{padding-top:var(--sp-3)}.auth-footer{padding:var(--sp-4) 0 var(--sp-2)}}