/* PWA: ventana de instalación y pantalla sin conexión */
.pwa-ui{position:fixed;z-index:9999;background:#fff;color:#1b1b1f;border:1px solid #d5d8dd;box-shadow:0 8px 30px rgba(0,0,0,.28);display:flex;gap:14px;align-items:center;font-family:inherit;font-size:1rem;line-height:1.35}
.pwa-bar{left:0;right:0;bottom:0;padding:12px 16px;border-width:1px 0 0;flex-wrap:wrap}
.pwa-window{left:50%;top:50%;transform:translate(-50%,-50%);width:min(92vw,420px);padding:22px;border-radius:16px;flex-direction:column;text-align:center;gap:12px;box-shadow:0 0 0 100vmax rgba(0,0,0,.45),0 8px 30px rgba(0,0,0,.4)}

.pwa-ic{border-radius:12px;flex:none;object-fit:contain;background:#fff}
.pwa-tx{display:flex;flex-direction:column;gap:3px;flex:1;min-width:200px}
.pwa-tx strong{font-size:1.1rem}
.pwa-tx span{color:#4a4d55}
.pwa-ac{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center}
.pwa-btn{display:inline-block;font:inherit;font-weight:700;cursor:pointer;border:0;border-radius:999px;padding:11px 24px;background:var(--primary,#0b5fa5);color:#fff;text-decoration:none}
.pwa-no{font:inherit;cursor:pointer;background:none;border:0;color:#4a4d55;text-decoration:underline;padding:8px}
.pwa-btn:focus-visible,.pwa-no:focus-visible{outline:3px solid #1b1b1f;outline-offset:2px}
.pwa-off{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#f6f7f9;color:#1b1b1f;line-height:1.5}
.pwa-off main{max-width:560px;margin:0 auto;padding:48px 20px;text-align:center}
.pwa-off-ico img{border-radius:18px}
.pwa-off h1{margin:.4em 0 .2em}
.pwa-off section{text-align:left;margin-top:32px;border-top:1px solid #d5d8dd;padding-top:12px}
.pwa-off ul{list-style:none;margin:0;padding:0}
.pwa-off li{border-bottom:1px solid #e3e5e8}
.pwa-off li a{display:block;padding:12px 2px;color:#0b5fa5;font-size:1.1rem}
@media (prefers-color-scheme:dark){.pwa-ui{background:#1d1f24;color:#f1f2f4;border-color:#3a3d45}.pwa-tx span,.pwa-no{color:#b9bdc6}.pwa-off{background:#111317;color:#f1f2f4}.pwa-off li a{color:#7db7ee}}

/* Enlaces discretos del pie: App / Avisos */
.foot-app{margin:10px 0 0;display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:.92rem}
.foot-app a,.foot-app button{font:inherit;color:inherit;opacity:.82;background:none;border:0;padding:2px 0;cursor:pointer;text-decoration:none;border-bottom:1px dotted currentColor}
.foot-app a:hover,.foot-app button:hover{opacity:1}
.foot-app button.is-on{opacity:1;font-weight:700}
.foot-app button[hidden]{display:none}
@media (display-mode:standalone){.foot-app-i{display:none}}

/* Página «Instalar la app» */
.ap{max-width:760px;margin:0 auto;padding:8px 4px 40px}
.ap-hero{text-align:center;padding:28px 12px 8px}
.ap-ic{border-radius:24px;box-shadow:0 10px 30px rgba(0,0,0,.18);background:#fff;object-fit:contain}
.ap h1{margin:18px 0 8px;font-size:clamp(1.6rem,5vw,2.3rem);line-height:1.15;letter-spacing:-.02em}
.ap-lead{margin:0 auto;max-width:34em;color:var(--muted,#5f6368);font-size:1.12rem}
.ap-cta{margin:24px 0 6px;display:flex;flex-direction:column;align-items:center;gap:12px}
.ap .pwa-btn{font-size:1.1rem;padding:14px 34px}
.ap-msg{margin:0;padding:10px 16px;border-radius:12px;background:var(--soft,#f6f7f9);color:var(--text,#1b1b1f);max-width:30em}
.ap-feat{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.ap-feat li{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--border,#e3e5e8);border-radius:16px;background:var(--soft,#f6f7f9)}
.ap-fi{font-size:1.7rem;line-height:1}
.ap-feat span:last-child{color:var(--muted,#5f6368);font-size:.95rem}
.ap-guide{margin:24px 0 0;padding:20px 22px;border:2px solid var(--primary,#0b5fa5);border-radius:16px}
.ap-guide[hidden]{display:none}
.ap-guide h2{margin:0 0 8px;font-size:1.2rem}
.ap-guide ol{margin:0;padding-left:1.3em;display:grid;gap:8px}
.ap-small{margin:12px 0 0;color:var(--muted,#5f6368);font-size:.92rem}
.ap-push{margin:24px 0 0;padding:20px 22px;border-radius:16px;background:var(--soft,#f6f7f9);text-align:center}
.ap-push h2{margin:0 0 6px;font-size:1.2rem}
.ap-push p{margin:0 0 14px;color:var(--muted,#5f6368)}
.ap-push .pwa-btn[hidden]{display:none}
.ap-note{margin:26px auto 0;max-width:34em;text-align:center;color:var(--muted,#5f6368);font-size:.93rem}
.pwa-btn[hidden],.ap-open[hidden]{display:none}