.auth-island{max-width:var(--measure)}.auth-island--fade{animation:auth-fade-in .2s ease-out both}@keyframes auth-fade-in{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.auth-island--fade{animation:none}}.auth-heading{font-size:1.25rem;font-weight:500;line-height:1.4;margin:0 0 .5rem;color:var(--foreground)}.auth-subtitle{font-family:var(--font-mono);font-size:.8125rem;font-weight:400;color:var(--muted-foreground);margin:0 0 var(--step)}.auth-form{display:flex;flex-direction:column;gap:calc(var(--step) * .75);margin-bottom:var(--step)}.auth-form-actions{display:flex;align-items:center;gap:1rem;padding-top:calc(var(--step) * .5)}.auth-btn{font-family:var(--font-mono);font-size:.875rem;font-weight:400;color:var(--foreground);background:transparent;border:0;padding:.125rem 0;cursor:pointer;user-select:none;transition:color .15s ease,transform .15s ease}.auth-btn:hover{color:var(--brand)}.auth-btn:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.auth-btn:active{transform:translateY(1px)}.auth-btn--loading,.auth-btn:disabled{color:var(--muted-foreground);cursor:not-allowed;pointer-events:none}.auth-link{font-family:var(--font-mono);font-size:.8125rem;font-weight:400;color:var(--muted-foreground);background:transparent;border:none;border-bottom:1px solid var(--border);padding:0;cursor:pointer;line-height:1.4;display:inline;transition:color .15s ease,border-bottom-color .15s ease}.auth-link:hover{color:var(--foreground);border-bottom-color:var(--muted-foreground)}.auth-link:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:1px}.auth-success{font-family:var(--font-mono);font-size:.875rem;font-weight:400;color:var(--muted-foreground);margin:0 0 var(--step);line-height:1.6}@media(prefers-reduced-motion:reduce){.auth-btn,.auth-link{transition:none}.auth-btn:active{transform:none}}