#pwa-update-banner{inset-inline:1rem;z-index:1200;color:#ecfeff;background:#0f766e;border-radius:.9rem;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1rem;display:none;position:fixed;bottom:1rem;box-shadow:0 12px 32px #0f766e59}#pwa-update-banner.is-visible{display:flex}#pwa-update-banner__text{font-size:.92rem;line-height:1.6}#pwa-update-banner__actions{flex-shrink:0;gap:.5rem;display:flex}.pwa-update-btn{cursor:pointer;border:0;border-radius:.65rem;padding:.45rem .85rem;font-size:.85rem}.pwa-update-btn--primary{color:#115e59;background:#ecfeff;font-weight:700}.pwa-update-btn--ghost{color:#ecfeff;background:0 0;border:1px solid #ecfeff73}[data-theme=dark] #pwa-update-banner{color:#ccfbf1;background:#134e4a}[data-theme=dark] .pwa-update-btn--primary{color:#134e4a;background:#ccfbf1}.offline-shell{place-items:center;min-height:70vh;padding:2rem 1rem;display:grid}.offline-card{text-align:center;background:var(--tb-surface,#fff);border:1px solid #0f172a14;border-radius:1rem;max-width:28rem;padding:2rem;box-shadow:0 10px 30px #0f172a14}.offline-card h1{margin-bottom:.75rem;font-size:1.35rem}.offline-card p{color:#475569;margin-bottom:1.25rem;line-height:1.8}