.auth-shell{width:100%}.auth-shell__tabs{border:1px solid var(--color-parchment);background:var(--color-offwhite);border-radius:999px;grid-template-columns:1fr 1fr;align-items:stretch;margin-bottom:28px;padding:5px;display:grid;position:relative}.auth-shell__tab{z-index:1;font-family:var(--font-mono);letter-spacing:.22em;text-transform:uppercase;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:11px 18px;font-size:11px;font-weight:700;transition:color .35s;position:relative}.auth-shell__tab:hover{color:var(--color-forest)}.auth-shell__tab.is-active{color:var(--color-parchment)}.auth-shell__tab:focus-visible{outline:2px solid var(--color-forest);outline-offset:2px}.auth-shell__tab-indicator{background:linear-gradient(180deg, var(--color-forest) 0%, var(--color-forest-deep) 100%);z-index:0;border-radius:999px;width:calc(50% - 5px);transition:transform .55s cubic-bezier(.16,1,.3,1);position:absolute;top:5px;bottom:5px;left:5px;box-shadow:0 1px 2px #0000002e,0 6px 16px #0f221938,inset 0 1px #ffffff1f}.auth-shell__tab-indicator.is-right{transform:translate(100%)}.auth-shell__card{perspective:1600px;transform-style:preserve-3d;grid-template-columns:1fr;width:100%;transition:transform .65s cubic-bezier(.16,1,.3,1);display:grid;position:relative;transform:rotateY(0)}.auth-shell__card.is-flipped{transform:rotateY(180deg)}.auth-shell__face{backface-visibility:hidden;transform-style:preserve-3d;grid-area:1/1}.auth-shell__face--back{transform:rotateY(180deg)}.auth-shell__face[aria-hidden=true]{pointer-events:none}@media (prefers-reduced-motion:reduce){.auth-shell__card,.auth-shell__tab-indicator{transition:none}}