.pwa-banner {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 5000;
  width: min(380px, calc(100vw - 24px));
  display: grid;
  gap: 10px;
  padding: 16px 18px 18px;
  border-radius: 22px;
  border: 1px solid rgba(139, 92, 246, 0.22);
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(22, 28, 46, 0.96), rgba(10, 15, 29, 0.98));
  box-shadow: 0 28px 56px rgba(2, 6, 23, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

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

.pwa-banner--update {
  border-color: rgba(59, 130, 246, 0.24);
}

.pwa-banner__eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  width: fit-content;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.22);
  background: rgba(124, 58, 237, 0.12);
  color: rgba(236, 240, 255, 0.82);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pwa-banner__title {
  margin: 0;
  color: #f8fbff;
  font-size: 1.05rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.pwa-banner__body {
  margin: 0;
  color: rgba(226, 232, 240, 0.82);
  font-size: 0.92rem;
  line-height: 1.55;
}

.pwa-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pwa-banner__button {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.035);
  color: #f8fbff;
  font-size: 0.88rem;
  font-weight: 700;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
}

.pwa-banner__button:hover {
  transform: translateY(-1px);
}

.pwa-banner__button--primary {
  border-color: rgba(196, 181, 253, 0.36);
  background: linear-gradient(135deg, #6d28d9 0%, #8b5cf6 100%);
  box-shadow: 0 18px 34px rgba(76, 29, 149, 0.24);
}

.pwa-banner__button--ghost:hover {
  border-color: rgba(167, 139, 250, 0.28);
  background: rgba(124, 58, 237, 0.14);
}

@media (max-width: 640px) {
  .pwa-banner {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    padding: 14px 14px 16px;
    border-radius: 20px;
  }

  .pwa-banner__actions,
  .pwa-banner__button {
    width: 100%;
  }

  .pwa-banner__actions {
    gap: 8px;
  }
}