:root{--color-primary:#111827;--color-primary-contrast:#fff;--color-accent:#059669;--color-surface:#fff;--color-text:#111827;--color-muted:#6b7280;--radius:.9rem;--font-sans:"Instrument Sans", system-ui, sans-serif}.auth-shell{min-height:100vh;font-family:var(--font-sans);color:var(--color-text);background:#f3f4f6;justify-content:center;align-items:center;padding:1rem;display:flex}.auth-card{background:var(--color-surface);border-radius:var(--radius);border:1px solid #e5e7eb;width:100%;max-width:28rem;padding:2rem;box-shadow:0 1px 3px #00000014}.auth-brand{font-size:1.5rem;font-weight:600}.auth-sub{color:var(--color-muted);margin-top:.25rem;font-size:.875rem}.auth-field{margin-top:1rem}.auth-label{font-size:.875rem;font-weight:500;display:block}.auth-input{width:100%;font:inherit;border:1px solid #d1d5db;border-radius:.5rem;margin-top:.25rem;padding:.5rem .75rem}.auth-btn{cursor:pointer;background:var(--color-primary);width:100%;color:var(--color-primary-contrast);border:none;border-radius:.5rem;margin-top:1.25rem;padding:.55rem 1rem;font-weight:500}.auth-btn:disabled{opacity:.5;cursor:not-allowed}.auth-ghost{cursor:pointer;color:var(--color-muted);background:0 0;border:none;margin-top:.75rem;padding:0;font-size:.875rem}.auth-error{color:#dc2626;margin-top:.75rem;font-size:.875rem}.auth-note{color:var(--color-accent);margin-top:.75rem;font-size:.875rem}.auth-tabs{gap:.5rem;margin-top:1rem;display:flex}.auth-tab{cursor:pointer;font:inherit;background:0 0;border:1px solid #d1d5db;border-radius:.5rem;flex:1;padding:.45rem;font-size:.85rem}.auth-tab[aria-selected=true]{background:var(--color-primary);color:var(--color-primary-contrast);border-color:var(--color-primary)}.auth-events{margin-top:1.5rem}.auth-event{color:#065f46;background:#ecfdf5;border-radius:.5rem;margin-top:.35rem;padding:.4rem .75rem;font-size:.85rem}