.auth-shell{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 16px;background:transparent;color:var(--color-black);font-family:var(--font-main);font-size:clamp(.7rem,1.8vw,.85rem);line-height:1.2;letter-spacing:.02em;text-transform:uppercase}.auth-shell__inner{width:100%;max-width:460px;display:flex;flex-direction:column;align-items:stretch;gap:28px}.auth-logo{align-self:flex-start;display:inline-flex;width:44px;height:44px;color:var(--color-black);text-decoration:none;transition:color .18s ease}.auth-logo img,.auth-logo svg{width:100%;height:100%;display:block;transition:filter .18s ease}.auth-logo:focus-visible,.auth-logo:hover{color:var(--color-blue)}.auth-logo:focus-visible img,.auth-logo:hover img{filter:invert(20%) sepia(94%) saturate(2103%) hue-rotate(218deg) brightness(86%) contrast(94%)}.auth-h1{font-size:clamp(1.7rem,4.5vw,2.6rem);font-weight:500;line-height:.95;letter-spacing:-.01em;color:var(--color-black);margin:0 0 6px}.auth-h1,.auth-sub{font-family:var(--font-main);text-transform:uppercase}.auth-sub{font-size:clamp(.7rem,1.6vw,.78rem);letter-spacing:.04em;color:var(--color-grey);margin:0 0 4px}.auth-field{width:100%;padding:12px 14px;border:1px solid var(--color-black);border-radius:0;background:var(--color-white);color:var(--color-black);font-family:var(--font-mono);font-size:.9rem;letter-spacing:.02em;text-transform:none;margin-bottom:10px;box-sizing:border-box;transition:border-color .15s ease,color .15s ease}.auth-field::placeholder{color:var(--color-grey);text-transform:uppercase;letter-spacing:.06em;font-size:.78rem}.auth-field:focus{outline:none;border-color:var(--color-blue);color:var(--color-blue)}.auth-field:disabled{opacity:.6}.auth-btn{width:100%;padding:13px 16px;border:1px solid var(--color-black);border-radius:0;background:var(--color-white);color:var(--color-black);font-family:var(--font-main);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;margin-bottom:10px;display:inline-flex;align-items:center;justify-content:center;gap:12px;transition:background-color .18s ease,color .18s ease,border-color .18s ease}.auth-btn:focus-visible:not(:disabled),.auth-btn:hover:not(:disabled){background:var(--color-blue);color:var(--color-white);border-color:var(--color-blue)}.auth-btn:disabled{opacity:.5;cursor:not-allowed}.auth-btn--primary{background:var(--color-black);color:var(--color-white)}.auth-btn--primary:focus-visible:not(:disabled),.auth-btn--primary:hover:not(:disabled){background:var(--color-blue);color:var(--color-white);border-color:var(--color-blue)}.auth-btn--github{background:var(--color-black);color:var(--color-white);border-color:var(--color-black)}.auth-btn--github:focus-visible:not(:disabled),.auth-btn--github:hover:not(:disabled){background:var(--color-blue);color:var(--color-white);border-color:var(--color-blue)}.auth-mark{width:18px;height:18px;flex:0 0 auto}.auth-divider{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;grid-gap:10px;gap:10px;margin:8px 0 10px;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-grey)}.auth-divider:after,.auth-divider:before{content:"";height:1px;background:var(--color-dark-grey)}.auth-error{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.02em;text-transform:none;color:#a4262c;margin:0 0 10px}.auth-foot{font-family:var(--font-main);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;margin-top:18px;text-align:center}.auth-foot,.auth-foot a{color:var(--color-black)}.auth-foot a{text-decoration:underline;text-underline-offset:3px;transition:color .15s ease}.auth-foot a:focus-visible,.auth-foot a:hover{color:var(--color-blue)}