.pwa-install-button{position:fixed;right:18px;bottom:18px;z-index:9999;display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;background:var(--navy,#173f6d);color:#fff;font:700 14px/1.2 Arial,sans-serif;box-shadow:0 12px 28px rgba(23,63,109,.28);cursor:pointer}
.pwa-install-button:hover{background:var(--navy-dark,#0f3157)}
.pwa-install-button[hidden]{display:none!important}
@media(max-width:640px){.pwa-install-button{right:12px;bottom:12px;padding:11px 15px}}
@media(display-mode:standalone){.pwa-install-button{display:none!important}}

.pwa-install-help{position:fixed;inset:0;z-index:10000;background:rgba(15,30,50,.55);display:none;align-items:center;justify-content:center;padding:20px}
.pwa-install-help.show{display:flex}
.pwa-install-help-card{position:relative;background:#fff;border-radius:16px;max-width:360px;width:100%;padding:28px 24px 24px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.25)}
.pwa-install-help-icon{font-size:36px;margin-bottom:8px}
.pwa-install-help-card h2{margin:0 0 12px;font-size:1.25rem;color:var(--navy,#173f6d)}
.pwa-install-help-copy{text-align:left;color:var(--text,#263548);font-size:.95rem;line-height:1.6}
.pwa-install-help-copy ol{padding-left:20px;margin:8px 0}
.pwa-install-help-close{position:absolute;top:10px;right:14px;border:0;background:none;font-size:22px;line-height:1;cursor:pointer;color:var(--muted,#667487)}
.pwa-install-help-done{margin-top:16px;width:100%}

.pwa-standalone body{padding-bottom:0}