.auth-shell{background:var(--color-bg);grid-template-columns:minmax(320px,1fr) minmax(380px,460px);min-height:100vh;display:grid}.auth-brand{padding:clamp(var(--space-8), 6vw, var(--space-16));background:var(--color-accent-100);flex-direction:column;justify-content:space-between;display:flex}.auth-brand-mark{width:220px;max-width:60%;height:auto;display:block}.auth-brand-copy{max-width:30rem;padding-bottom:clamp(var(--space-2), 6vh, var(--space-12))}.auth-eyebrow{margin:0 0 var(--space-4);color:var(--color-accent);font-size:var(--text-base);letter-spacing:.02em;text-transform:uppercase;font-weight:700}.auth-brand-message{color:var(--color-accent);font-family:var(--font-heading);font-size:clamp(var(--text-2xl), 3.4vw, var(--text-3xl));letter-spacing:var(--tracking-tight);font-weight:700;line-height:var(--leading-tight);margin:0}.auth-brand-support{max-width:26rem;margin:var(--space-3) 0 0;color:var(--text-primary);font-size:var(--text-lg);line-height:var(--leading-normal)}.auth-panel{padding:var(--space-6);border-left:1px solid var(--border-subtle);background:var(--color-bg);justify-content:center;align-items:center;display:flex}.auth-card{gap:var(--space-4);width:min(100%,400px);padding:clamp(var(--space-6), 5vw, var(--space-8));border-radius:var(--radius-xl);background:var(--surface-raised);box-shadow:var(--shadow-lg);flex-direction:column;display:flex}.auth-card-head{gap:var(--space-1);flex-direction:column;display:flex}.auth-title{color:var(--color-accent);font-family:var(--font-heading);font-size:var(--text-2xl);letter-spacing:var(--tracking-tight);margin:0;font-weight:700}.auth-lede{color:var(--text-secondary);font-size:var(--text-md);line-height:var(--leading-normal);margin:0}@media (width<=900px){.auth-shell{min-height:0;display:block}.auth-brand{padding:var(--space-6) var(--space-4)}.auth-brand-copy{display:none}.auth-brand-mark{width:180px;max-width:none}.auth-panel{border-top:1px solid var(--border-subtle);min-height:calc(100vh - 92px);padding:var(--space-6) var(--space-4);border-left:0}}@media (width<=480px){.auth-card{padding:var(--space-5)}}.auth-callback{justify-content:center;align-items:center;gap:var(--space-4);min-height:100vh;padding:var(--space-6);background:var(--color-bg);text-align:center;flex-direction:column;display:flex}.auth-callback-mark{width:48px;height:48px}.auth-callback-lines{align-items:center}.auth-noaccess{justify-content:center;align-items:center;gap:var(--space-4);max-width:32rem;min-height:min(64vh,520px);padding:var(--space-8) var(--space-4);text-align:center;flex-direction:column;margin:0 auto;display:flex}.auth-noaccess-detail{text-align:left;width:100%}.auth-noaccess-help{color:var(--text-secondary);font-size:var(--text-base);margin:0}