:root{--pwa-red:#e30613;--pwa-ink:#1f2328;--pwa-muted:#747c85}
#gbPwaInstall{position:fixed;left:12px;right:12px;bottom:calc(82px + env(safe-area-inset-bottom));z-index:145;display:none;align-items:center;gap:11px;background:rgba(255,255,255,.97);border:1px solid #e9ecef;border-radius:18px;padding:10px 10px 10px 11px;box-shadow:0 14px 38px rgba(20,24,28,.16);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);font-family:Inter,system-ui,sans-serif}
#gbPwaInstall.show{display:flex;animation:gbPwaUp .25s ease-out}
.gb-pwa-logo{width:42px;height:42px;border-radius:12px;object-fit:cover;flex:0 0 auto;box-shadow:0 5px 14px rgba(227,6,19,.17)}
.gb-pwa-copy{min-width:0;flex:1}.gb-pwa-copy b{display:block;color:var(--pwa-ink);font-size:10.5px}.gb-pwa-copy small{display:block;color:var(--pwa-muted);font-size:8px;line-height:1.35;margin-top:2px}
.gb-pwa-action{height:34px;border:0;border-radius:10px;background:var(--pwa-red);color:#fff;font-size:8.5px;font-weight:900;padding:0 12px;white-space:nowrap}.gb-pwa-close{width:28px;height:28px;border:0;border-radius:9px;background:#f4f5f6;color:#69717a;display:grid;place-items:center;padding:0}.gb-pwa-close svg{width:14px;height:14px}
.gb-pwa-overlay{position:fixed;inset:0;z-index:220;background:rgba(10,13,16,.45);display:flex;align-items:flex-end;justify-content:center;padding-top:20px}.gb-pwa-sheet{width:min(100%,480px);background:#fff;border-radius:24px 24px 0 0;padding:12px 18px calc(22px + env(safe-area-inset-bottom));box-shadow:0 -20px 60px rgba(0,0,0,.2);animation:gbPwaSheet .25s ease-out}.gb-pwa-handle{width:42px;height:4px;border-radius:99px;background:#d9dde1;margin:0 auto 16px}.gb-pwa-sheet-head{display:grid;grid-template-columns:50px 1fr 32px;gap:11px;align-items:center}.gb-pwa-sheet-head img{width:50px;height:50px;border-radius:14px}.gb-pwa-sheet-head h2{font-size:16px;margin:0;color:#202428}.gb-pwa-sheet-head p{font-size:9px;line-height:1.4;color:#7a828a;margin:4px 0 0}.gb-pwa-x{width:32px;height:32px;border:0;border-radius:10px;background:#f4f5f6;display:grid;place-items:center}.gb-pwa-steps{display:grid;gap:9px;margin:18px 0 15px}.gb-pwa-step{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;padding:10px;border:1px solid #eceef0;border-radius:14px}.gb-pwa-step-num{width:34px;height:34px;border-radius:10px;background:#fff0f1;color:var(--pwa-red);display:grid;place-items:center;font-weight:900;font-size:11px}.gb-pwa-step b{display:block;font-size:10px;color:#24292e}.gb-pwa-step small{display:block;font-size:8.2px;color:#7b838b;line-height:1.4;margin-top:2px}.gb-pwa-ok{width:100%;height:44px;border:0;border-radius:13px;background:var(--pwa-red);color:#fff;font-weight:900;font-size:10px}
@media(min-width:700px){#gbPwaInstall{left:50%;right:auto;width:406px;transform:translateX(-50%);bottom:104px}.gb-pwa-overlay{align-items:center}.gb-pwa-sheet{border-radius:24px;padding-bottom:22px}}
@keyframes gbPwaUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes gbPwaSheet{from{transform:translateY(24px);opacity:.7}to{transform:none;opacity:1}}