.pwa-install-action[hidden],
.pwa-install-notice[hidden],
.pwa-install-card[hidden],
.pwa-install-guidance[hidden] {
  display: none;
}

.pwa-install-notice {
  position: fixed;
  z-index: 140;
  top: max(10px, env(safe-area-inset-top));
  left: 50%;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto 32px;
  align-items: center;
  gap: 10px;
  width: min(calc(100% - 24px), 620px);
  padding: 10px;
  border: 1px solid rgba(101, 231, 255, .35);
  border-radius: 16px;
  color: #f7fbff;
  background: rgba(8, 17, 38, .96);
  box-shadow: 0 14px 46px rgba(0, 0, 0, .5), 0 0 28px rgba(101, 231, 255, .08);
  backdrop-filter: blur(16px);
  opacity: 0;
  transform: translate(-50%, calc(-100% - 30px));
  transition: transform .28s ease, opacity .24s ease;
}

.pwa-install-notice.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.pwa-install-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 18px rgba(101, 231, 255, .16);
}

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

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

.pwa-install-copy strong {
  color: #fff;
  font-size: 11px;
  line-height: 1.25;
}

.pwa-install-copy span {
  margin-top: 3px;
  color: #9cb0c6;
  font-size: 9px;
  line-height: 1.35;
}

.pwa-install-action {
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid rgba(124, 255, 178, .55);
  border-radius: 11px;
  color: #04130b;
  background: linear-gradient(135deg, #7cffb2, #36e98b);
  box-shadow: 0 0 18px rgba(124, 255, 178, .13);
  font: 800 10px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  letter-spacing: .08em;
  cursor: pointer;
}

.pwa-install-action:focus-visible,
.pwa-install-close:focus-visible {
  outline: 2px solid #65e7ff;
  outline-offset: 3px;
}

.pwa-install-close {
  width: 32px;
  height: 40px;
  padding: 0;
  border: 0;
  color: #8ba0b8;
  background: transparent;
  font: 400 25px/1 sans-serif;
  cursor: pointer;
}

.pwa-install-card {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px 14px;
  align-items: center;
  margin: 0 0 22px;
  padding: 17px;
  overflow: hidden;
  border: 1px solid rgba(101, 231, 255, .24);
  border-radius: 20px;
  background:
    radial-gradient(circle at 95% 10%, rgba(255, 94, 207, .13), transparent 13rem),
    linear-gradient(135deg, rgba(15, 25, 49, .98), rgba(7, 12, 27, .98));
  box-shadow: 0 18px 50px rgba(0, 0, 0, .24);
}

.pwa-install-card .pwa-install-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
}

.pwa-install-card h2 {
  margin: 0;
  color: #fff;
  font-size: 15px;
  line-height: 1.2;
}

.pwa-install-card p {
  margin: 5px 0 0;
  color: #9cb0c6;
  font-size: 10px;
  line-height: 1.5;
}

.pwa-install-card .pwa-install-action {
  grid-column: 1 / -1;
  width: 100%;
  min-height: 48px;
  font-size: 11px;
}

.pwa-install-guidance {
  grid-column: 1 / -1;
  margin: -2px 0 0;
  color: #bfffd8;
  font-size: 10px;
  line-height: 1.45;
  text-align: center;
}

@media (max-width: 380px) {
  .pwa-install-notice {
    grid-template-columns: 34px minmax(0, 1fr) 32px;
    gap: 8px;
    width: calc(100% - 16px);
    padding: 8px;
  }

  .pwa-install-notice .pwa-install-icon {
    width: 34px;
    height: 34px;
  }

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

  .pwa-install-notice .pwa-install-action {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 40px;
  }

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

@media (min-width: 620px) {
  .pwa-install-card {
    grid-template-columns: 52px minmax(0, 1fr) auto;
  }

  .pwa-install-card .pwa-install-action {
    grid-column: auto;
    width: auto;
    min-width: 180px;
  }

  .pwa-install-card .pwa-install-guidance {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-notice {
    transition: opacity .01ms linear;
  }
}