.pwa-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 1200;
  display: none;
  justify-content: center;
  padding: 0 14px;
  pointer-events: none;
}

.pwa-banner.is-visible { display: flex; }

.pwa-banner.is-hidden { display: none; }

.pwa-banner__panel {
  width: min(100%, 760px);
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(145deg, rgba(18, 10, 14, 0.97), rgba(10, 11, 15, 0.94));
  box-shadow: 0 22px 45px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  color: var(--txt, #f3e5e8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  pointer-events: auto;
  position: relative;
  overflow: hidden;
}

.pwa-banner__panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(255, 58, 80, 0.12), transparent 18%, transparent 82%, rgba(181, 16, 28, 0.08));
  pointer-events: none;
}

.pwa-banner__panel::after {
  content: '';
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 86, 108, 0.65), transparent);
  pointer-events: none;
}

.pwa-banner__body,
.pwa-banner__content,
.pwa-banner__actions {
  position: relative;
  z-index: 1;
}

.pwa-banner__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pwa-banner__content {
  min-width: 0;
}

.pwa-banner__title {
  font-family: var(--apple-font, inherit);
  display: block;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 5px;
  color: #fff;
}

.pwa-banner__text {
  display: block;
  font-size: 13px;
  line-height: 1.55;
  color: var(--txt-2, #f3e5e8cc);
  max-width: 54ch;
}

.pwa-banner__logo {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.12), transparent 45%),
    linear-gradient(145deg, rgba(255, 58, 80, 0.18), rgba(181, 16, 28, 0.12));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 10px 30px rgba(232, 25, 44, 0.18);
  flex-shrink: 0;
  padding: 10px;
}

.pwa-banner__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.28));
}

.pwa-banner__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
  width: 100%;
  margin-top: 2px;
}

.pwa-banner__actions button {
  border-radius: 11px;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 14px;
}

.pwa-banner__actions button#pwa-banner-action {
  min-width: 124px;
}

.pwa-banner__actions button#pwa-banner-dismiss {
  min-width: 88px;
}

#pwa-banner-action.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--txt, #f3e5e8);
}

#pwa-banner-action.btn-primary {
  box-shadow: 0 10px 24px rgba(232, 25, 44, 0.28);
}

.pwa-banner.is-offline .pwa-banner__panel {
  background: linear-gradient(145deg, rgba(27, 14, 18, 0.98), rgba(15, 12, 14, 0.94));
  border-color: rgba(255, 120, 140, 0.2);
}

.pwa-banner.is-install .pwa-banner__panel {
  background: linear-gradient(145deg, rgba(18, 12, 18, 0.98), rgba(16, 11, 30, 0.95));
  border-color: rgba(255, 58, 80, 0.35);
}

.pwa-banner.is-update .pwa-banner__panel {
  background: linear-gradient(145deg, rgba(13, 22, 12, 0.98), rgba(13, 26, 14, 0.94));
  border-color: rgba(76, 175, 80, 0.35);
}

.pwa-banner.is-update #pwa-banner-action.btn-primary,
.pwa-banner.is-install #pwa-banner-action.btn-primary,
.pwa-banner.is-offline #pwa-banner-action.btn-primary {
  background: linear-gradient(135deg, #ff3a50 0%, #b5101c 100%);
}

.pwa-banner .btn {
  width: auto;
}

.pwa-action-disabled {
  opacity: 0.45;
  pointer-events: none;
}

@media (max-width: 560px) {
  .pwa-banner {
    bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    padding: 0 10px;
  }

  .pwa-banner__panel {
    width: 100%;
    grid-template-columns: 48px minmax(0, 1fr);
    padding: 12px;
    gap: 10px;
  }

  .pwa-banner__logo {
    width: 48px;
    height: 48px;
    padding: 8px;
    border-radius: 14px;
  }

  .pwa-banner__title {
    font-size: 15px;
  }

  .pwa-banner__text {
    font-size: 12px;
    max-width: none;
  }

  .pwa-banner__actions {
    width: 100%;
    justify-content: flex-end;
  }

  .pwa-banner__actions button#pwa-banner-action,
  .pwa-banner__actions button#pwa-banner-dismiss {
    min-width: 0;
  }
}