.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px}.auth-card{width:min(920px,100%);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:var(--panel);border:1px solid var(--line);border-radius:8px;display:grid;grid-template-columns:minmax(320px,.92fr) minmax(360px,1.08fr);min-height:540px;overflow:hidden}.auth-intro{background:linear-gradient(145deg,rgba(124,109,255,.22),rgba(47,210,255,.08)),rgba(255,255,255,.045);border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end;padding:34px}.auth-intro h1{font-size:clamp(2.8rem,8vw,5.2rem);line-height:.95;margin-bottom:18px}.auth-brand-logo{border-radius:8px;display:block;height:96px;margin:4px 0 22px;object-fit:contain;object-position:left center;width:320px}.auth-intro p:last-child{color:var(--ink-soft);line-height:1.5;margin-bottom:0;max-width:320px}.auth-form{align-self:center;display:grid;grid-gap:16px;gap:16px;padding:42px}.auth-form label{color:var(--muted);display:grid;font-size:.9rem;grid-gap:6px;gap:6px}.auth-form h2{color:var(--foreground);font-size:1.4rem;margin:0 0 6px}.auth-form-note{color:var(--muted);margin:0}.auth-form small{color:var(--muted);font-size:.78rem;font-weight:700;line-height:1.35}.auth-form button,.auth-form input{min-height:46px}.auth-loading{align-self:center;display:grid;min-height:92px;margin:42px;place-items:center;border-radius:8px;background:var(--accent-soft);color:var(--accent-strong);font-weight:800}.auth-button-progress{display:inline-flex;align-items:center;gap:8px}.auth-button-progress:before{width:14px;height:14px;content:"";border:2px solid rgba(255,255,255,.45);border-top-color:#ffffff;border-radius:999px;animation:auth-spin .8s linear infinite}.auth-inline-link{color:var(--accent-strong);display:inline-flex;font-size:.9rem;font-weight:700;justify-self:center;margin-top:-4px;text-decoration:none}.form-error{background:var(--danger-bg);border:1px solid color-mix(in srgb,var(--danger) 34%,transparent);border-radius:6px;color:var(--danger);margin:0;padding:10px}.form-success{background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:6px;color:var(--accent-strong);margin:0;padding:10px}.auth-links a{color:var(--accent-strong);font-weight:700;text-decoration:none}@media (max-width:680px){.auth-card{grid-template-columns:1fr;min-height:auto}.auth-intro{border-right:0;border-bottom:1px solid var(--line);padding:26px}.auth-form{padding:26px 26px 16px}.auth-loading{margin:26px}.auth-links{justify-content:flex-start;padding:0 26px 26px}}@keyframes auth-spin{to{transform:rotate(1turn)}}