.login-page,.auth-callback-page{background:linear-gradient(#fff 0%,#fff7f9 42%,#fff 100%);min-height:100vh}.auth-shell{min-height:calc(100vh - var(--header-h));align-items:center;padding-block:clamp(3rem,2rem + 4vw,6rem);display:grid}.auth-single{justify-items:center;display:grid}.auth-panel{border-radius:var(--radius-md);background:#fffffff2;border:1px solid #d9002b2e;width:min(100%,440px);padding:clamp(1.2rem,.9rem + 1.3vw,1.7rem);box-shadow:0 18px 46px #0f0f0f1f}.auth-form{display:grid}.auth-form[hidden]{display:none}.auth-panel__kicker{margin-bottom:var(--space-3);border-radius:var(--radius-pill);background:var(--yt-red-soft);color:var(--yt-red);font-size:var(--fs-small);font-weight:var(--fw-bold);padding:.34rem .62rem;display:inline-flex}.auth-panel h2{font-size:clamp(1.45rem,1.18rem + 1vw,1.9rem)}.auth-panel__copy{margin-top:var(--space-2);color:var(--text-secondary)}.google-auth-button{width:100%;min-height:3.3rem;margin-top:var(--space-5);border:1.5px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--ink);font-weight:var(--fw-bold);transition:border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);background:#fff;grid-template-columns:1.5rem minmax(0,1fr);align-items:center;gap:.75rem;padding:.8rem 1rem;display:grid}.google-auth-button:hover,.google-auth-button:focus-visible{border-color:#d9002b6b;transform:translateY(-1px);box-shadow:0 8px 24px #0f0f0f17}.google-auth-button:disabled{cursor:wait;opacity:.72;transform:none}.google-auth-button svg{width:1.35rem;height:1.35rem}.auth-terms{margin-top:var(--space-4);color:var(--text-secondary);font-size:var(--fs-small);grid-template-columns:1.1rem minmax(0,1fr);align-items:start;gap:.72rem;line-height:1.45;display:grid}.auth-terms input{width:1.05rem;height:1.05rem;accent-color:var(--yt-red);margin-top:.15rem}.auth-terms a,.auth-status a{color:var(--yt-red);font-weight:var(--fw-bold)}.auth-status{min-height:1.35rem;margin-top:var(--space-3);color:var(--yt-red);font-size:var(--fs-small);font-weight:var(--fw-medium)}.auth-status.is-success{color:#127a3a}.auth-mode-switch{margin-top:var(--space-3);color:var(--text-secondary);font-size:var(--fs-small)}.auth-mode-switch a{text-underline-offset:.12em;text-decoration:underline}.auth-callback{min-height:calc(100vh - var(--header-h));place-items:center;padding-block:clamp(3rem,2rem + 5vw,6rem);display:grid}.auth-callback__panel{border-radius:var(--radius-md);width:min(100%,520px);box-shadow:var(--shadow-md);text-align:center;background:#fffffff5;border:1px solid #d9002b29;padding:clamp(1.4rem,1rem + 2vw,2rem)}.auth-callback__panel h1{font-size:clamp(1.75rem,1.35rem + 1.4vw,2.4rem)}.auth-callback__actions{justify-content:center;gap:var(--space-3);margin-top:var(--space-4);flex-wrap:wrap;display:flex}.auth-callback__actions[hidden]{display:none}.auth-callback__terms-form{gap:var(--space-4);text-align:left;width:100%;display:grid}.auth-callback__buttons{justify-content:center;gap:var(--space-3);flex-wrap:wrap;display:flex}@media (width<=620px){.auth-shell{padding-block-start:clamp(2.4rem,1.6rem + 5vw,4rem)}}