.pwa-install{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);z-index:9999}.pwa-install.show{display:flex;animation:.28s ease-in both pwa-fade-bg}@keyframes pwa-fade-bg{from{opacity:0}to{opacity:1}}.pwa-install__panel{width:min(92vw,440px);background:var(--panel);color:var(--txt);border:1px solid color-mix(in lab,var(--panel-2) 70%,transparent);border-radius:16px;box-shadow:var(--shadow);padding:22px 20px 18px;position:relative;opacity:0;transform:translateY(14px) scale(.985);animation:.28s ease-out .06s both pwa-pop}@keyframes pwa-pop{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.pwa-install__title{margin:6px 0;font-size:1.15rem;font-weight:700;letter-spacing:.2px}.pwa-install__desc{margin:0 0 16px;color:var(--muted);line-height:1.5;font-size:.95rem}.pwa-install__actions{display:flex;gap:10px;justify-content:flex-end}.btn{appearance:none;border:1px solid transparent;border-radius:12px;padding:10px 14px;font-weight:600;cursor:pointer;transition:transform .06s,background .2s,border-color .2s,opacity .2s;box-shadow:0 2px 10px rgba(0,0,0,.12)}.btn:active{transform:translateY(1px)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{opacity:.95}.btn-ghost{background:var(--panel-2);color:var(--txt);border-color:color-mix(in lab,var(--muted) 30%,transparent)}.btn-ghost:hover{opacity:.9}.pwa-install__close{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:10px;border:1px solid color-mix(in lab,var(--panel-2) 70%,transparent);background:var(--panel-2);color:var(--muted);font-size:20px;line-height:1;cursor:pointer}.pwa-install__close:hover{opacity:.85}