.pwa-install-button{position:fixed;left:18px;bottom:18px;z-index:80;min-height:44px;padding:10px 15px;border:0;border-radius:12px;background:#17171b;color:#fff;box-shadow:0 9px 30px #0003;font:700 13px/1.2 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}.pwa-install-button[hidden]{display:none}.pwa-install-button svg{width:18px;height:18px}.pwa-install-sheet{position:fixed;inset:0;z-index:120;display:grid;place-items:end center;padding:18px;background:#1c1c1e55;backdrop-filter:blur(8px)}.pwa-install-sheet[hidden]{display:none}.pwa-install-sheet>div{position:relative;width:min(420px,100%);padding:28px 24px 24px;border-radius:18px;background:#fff;color:#1c1c1e;box-shadow:0 25px 80px #0004;text-align:center}.pwa-install-sheet img{width:76px;height:76px;border-radius:17px;object-fit:contain}.pwa-install-sheet h2{margin:15px 0 8px;font-size:21px}.pwa-install-sheet p{margin:0;color:#686870;font-size:15px;line-height:1.55}.pwa-install-close{position:absolute;right:12px;top:12px;width:36px;height:36px;min-height:36px;padding:8px;border:0;border-radius:50%;background:#eeeef2;color:#555}.pwa-install-done{width:100%;margin-top:20px;min-height:46px;border:0;border-radius:12px;background:#007aff;color:#fff;font-weight:700}@media(max-width:760px){.pwa-install-button{left:12px;bottom:calc(82px + env(safe-area-inset-bottom))}.pwa-install-sheet{padding:12px 12px calc(12px + env(safe-area-inset-bottom))}}