.pwa-install-banner[hidden] {
  display: none !important;
}

.pwa-install-banner {
  position: fixed;
  z-index: 180;
  right: 22px;
  bottom: calc(22px + env(safe-area-inset-bottom));
  width: min(430px, calc(100vw - 32px));
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto 30px;
  gap: 11px;
  align-items: center;
  padding: 11px;
  border: 1px solid rgba(128, 213, 206, .3);
  border-radius: 19px;
  background: rgba(13, 34, 43, .96);
  color: #fff;
  box-shadow: 0 22px 55px rgba(4, 25, 31, .28);
  backdrop-filter: blur(18px);
  animation: pwa-banner-in .35s cubic-bezier(.2, .8, .2, 1) both;
}

.pwa-install-banner > img {
  width: 48px;
  height: 48px;
  display: block;
  border-radius: 14px;
  object-fit: cover;
}

.pwa-install-copy {
  min-width: 0;
}

.pwa-install-copy b,
.pwa-install-copy span {
  display: block;
}

.pwa-install-copy b {
  font: 800 12px Manrope, system-ui, sans-serif;
  letter-spacing: -.02em;
}

.pwa-install-copy span {
  margin-top: 3px;
  color: rgba(229, 247, 245, .65);
  font: 500 8px Manrope, system-ui, sans-serif;
  line-height: 1.45;
}

.pwa-install-action,
.pwa-install-close {
  border: 0;
  color: #fff;
  cursor: pointer;
}

.pwa-install-action {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 12px;
  background: #09aaa3;
  font: 800 9px Manrope, system-ui, sans-serif;
}

.pwa-install-close {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 9px;
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .7);
  font: 400 20px/1 system-ui, sans-serif;
}

.pwa-install-action:focus-visible,
.pwa-install-close:focus-visible {
  outline: 3px solid rgba(76, 229, 219, .35);
  outline-offset: 2px;
}

.offline-page {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 20%, #e2faf7 0, #f6fbfb 42%, #eef5f5 100%);
  color: #102b33;
  font-family: Manrope, system-ui, sans-serif;
}

.offline-card {
  width: min(460px, 100%);
  padding: 34px;
  border: 1px solid #d4e8e5;
  border-radius: 28px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 28px 70px rgba(10, 62, 67, .12);
  text-align: center;
}

.offline-card img {
  width: 82px;
  height: 82px;
  border-radius: 23px;
}

.offline-card h1 {
  margin: 22px 0 10px;
  font-size: clamp(28px, 7vw, 42px);
  letter-spacing: -.055em;
}

.offline-card p {
  margin: 0 auto 24px;
  max-width: 34ch;
  color: #647b80;
  font-size: 13px;
  line-height: 1.7;
}

.offline-card button {
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: 14px;
  background: #0b9f99;
  color: #fff;
  font: 800 11px Manrope, system-ui, sans-serif;
  cursor: pointer;
}

@keyframes pwa-banner-in {
  from { opacity: 0; transform: translateY(16px) scale(.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 620px) {
  .pwa-install-banner {
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    width: calc(100vw - 24px);
    grid-template-columns: 43px minmax(0, 1fr) auto 28px;
    gap: 8px;
    padding: 9px;
    border-radius: 17px;
  }

  .pwa-install-banner > img {
    width: 43px;
    height: 43px;
    border-radius: 12px;
  }

  .pwa-install-copy b {
    font-size: 10px;
  }

  .pwa-install-copy span {
    font-size: 7px;
  }

  .pwa-install-action {
    min-height: 36px;
    padding-inline: 11px;
    font-size: 8px;
  }
}

@media (max-width: 390px) {
  .pwa-install-banner {
    grid-template-columns: 40px minmax(0, 1fr) 28px;
  }

  .pwa-install-banner > img {
    width: 40px;
    height: 40px;
  }

  .pwa-install-action {
    grid-column: 2;
    justify-self: start;
    min-height: 32px;
  }

  .pwa-install-close {
    grid-column: 3;
    grid-row: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-banner { animation: none; }
}