.pwa-install-prompt{position:fixed;left:50%;bottom:max(18px,env(safe-area-inset-bottom));z-index:2147483000;width:min(430px,calc(100% - 28px));transform:translate(-50%,24px);opacity:0;visibility:hidden;transition:.28s ease;font-family:system-ui,-apple-system,"Noto Sans KR",sans-serif}.pwa-install-prompt.is-visible{transform:translate(-50%,0);opacity:1;visibility:visible}.pwa-install-card{position:relative;display:grid;grid-template-columns:56px 1fr;gap:12px;padding:16px;border:1px solid rgba(255,255,255,.6);border-radius:20px;background:rgba(255,255,255,.97);box-shadow:0 18px 55px rgba(0,0,0,.3);color:#20233a}.pwa-install-icon{width:56px;height:56px;border-radius:16px;object-fit:cover;background:#08111f}.pwa-install-copy strong{display:block;margin:1px 28px 4px 0;font-size:16px}.pwa-install-copy p{margin:0;color:#62677f;font-size:13px;line-height:1.45}.pwa-install-actions{grid-column:1/-1;display:flex;gap:8px}.pwa-install-actions button{min-height:42px;border:0;border-radius:12px;padding:0 15px;font-weight:800;cursor:pointer}.pwa-install-primary{flex:1;background:var(--pwa-color);color:#fff}.pwa-install-later{background:#eef0f7;color:#555c70}.pwa-install-close{position:absolute;right:10px;top:9px;width:32px;height:32px;border:0;background:transparent;color:#777;font-size:22px}.pwa-install-help{grid-column:1/-1;margin:0;padding:11px 13px;border-radius:12px;background:#e9fbf5;color:#37675a;font-size:12px;line-height:1.55}.pwa-install-help b{color:#174c3e}@media(display-mode:standalone){.pwa-install-prompt{display:none!important}}