.app-shell {
  width: min(920px, 92vw);
  margin: 2rem auto;
  display: grid;
  gap: 1rem;
}

.header-pwa-install {
  background: linear-gradient(140deg, #0b3557, #0f4a78);
  color: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
}

.eyebrow {
  margin: 0;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

.header-pwa-install h1,
.header-pwa-install p,
.section-pwa-install h2,
.section-pwa-install p {
  margin: 0;
}

.subtitle {
  margin-top: 0.6rem;
}

.section-pwa-install {
  background: #fff;
  border-radius: 0.8rem;
  padding: 1.2rem;
  box-shadow: 0 6px 20px rgb(28 39 51 / 8%);
  display: grid;
  gap: 0.7rem;
}

.muted {
  color: #536174;
  font-size: 0.95rem;
}

.pwa-floating-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: #0b3557 !important;
    color: white !important;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(11, 53, 87, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}
.pwa-floating-btn.pwa-btn-logged-in {
    bottom: 100px;
}
.pwa-floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(11, 53, 87, 0.6);
}
.pwa-floating-btn:active {
    transform: translateY(0);
}
@keyframes pwa-pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(11, 53, 87, 0.6); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(11, 53, 87, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(11, 53, 87, 0); }
}
.pwa-pulse-btn {
    animation: pwa-pulse 2s infinite;
}
#pwa-platform-tabs .nav-link {
    color: #2d3e50 !important;
    background: none;
}
#pwa-platform-tabs .nav-link.active {
    background-color: #2d3e50 !important;
    color: white !important;
}

/* ── Ocultar UI de instalación cuando la app ya está instalada (modo standalone) ── */
/* Método primario: CSS sin JS   */
@media (display-mode: standalone), (display-mode: minimal-ui) {
  .js_pwa_install_trigger,
  li:has(.js_pwa_install_trigger),
  #pwaInstallModal,
  .pwa-floating-btn {
    display: none !important;
  }
}

/* Método de respaldo: clase CSS aplicada por install_prompt.js (cubre iOS Safari) */
html.pwa-standalone .js_pwa_install_trigger,
html.pwa-standalone li:has(.js_pwa_install_trigger),
html.pwa-standalone #pwaInstallModal,
html.pwa-standalone .pwa-floating-btn {
  display: none !important;
}