/* Agenda PWA v2.0.0 - instalación con recordatorio */
.pwa-install-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .52);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.pwa-install-backdrop.is-visible { display: flex; }
.pwa-install-card {
  width: min(420px, 100%);
  background: #fff;
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, .28);
  padding: 24px;
  text-align: center;
  border: 1px solid rgba(148, 163, 184, .35);
}
.pwa-install-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  font-size: 30px;
  box-shadow: 0 12px 28px rgba(37, 99, 235, .28);
}
.pwa-install-card h2 {
  margin: 0 0 8px;
  font-size: 22px;
  color: #0f172a;
}
.pwa-install-card p {
  margin: 0 0 18px;
  color: #475569;
  line-height: 1.45;
}
.pwa-install-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.pwa-install-btn {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 700;
  cursor: pointer;
}
.pwa-install-primary {
  background: #2563eb;
  color: #fff;
}
.pwa-install-secondary {
  background: #e2e8f0;
  color: #0f172a;
}
.pwa-install-help {
  display: none;
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  background: #f8fafc;
  color: #334155;
  font-size: 14px;
  text-align: left;
}
.pwa-install-help.is-visible { display: block; }
@media (max-width: 480px) {
  .pwa-install-card { padding: 20px; }
  .pwa-install-actions { flex-direction: column; }
  .pwa-install-btn { width: 100%; }
}