.pwa-update-banner{position:fixed;left:50%;bottom:calc(18px + env(safe-area-inset-bottom,0px));transform:translate(-50%);z-index:10050;width:min(680px,calc(100% - 28px));background:var(--card, #ffffff);color:var(--text, #1f2937);border:1px solid rgba(0,128,153,.28);border-radius:16px;box-shadow:0 14px 38px #0f172a2e;padding:14px 16px}.pwa-update-banner[hidden]{display:none!important}.pwa-update-content{display:flex;align-items:center;justify-content:space-between;gap:16px}.pwa-update-text{display:flex;flex-direction:column;gap:3px;min-width:0}.pwa-update-text strong{color:var(--primary, #008099);font-size:.98rem}.pwa-update-text span{font-size:.86rem;line-height:1.35;opacity:.78}.pwa-update-actions{display:flex;flex:0 0 auto;gap:8px}.pwa-update-actions button{border-radius:10px;padding:9px 12px;font-weight:700;cursor:pointer;white-space:nowrap}.pwa-update-primary{border:1px solid var(--primary, #008099);background:var(--primary, #008099);color:#fff}.pwa-update-secondary{border:1px solid rgba(100,116,139,.35);background:transparent;color:inherit}.pwa-update-actions button:disabled{cursor:wait;opacity:.65}@media(max-width:640px){.pwa-update-content{align-items:stretch;flex-direction:column;gap:10px}.pwa-update-actions{justify-content:flex-end}.pwa-update-actions button{flex:1 1 0}}