.pwa-install-banner {
  position: fixed;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(12px);
  z-index: 10050;
  display: flex;
  align-items: center;
  gap: 14px;
  width: calc(100% - 24px);
  max-width: 560px;
  padding: 12px 14px;
  background: #ffffff;
  border: 1px solid #c5d4e8;
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  font-family: Roboto, Arial, sans-serif;
  box-sizing: border-box;
}

.pwa-install-banner.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

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

.pwa-install-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: cover;
  background: #f3f5f8;
}

.pwa-install-text {
  flex: 1 1 auto;
  min-width: 0;
}

.pwa-install-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  color: #1a1a1a;
}

.pwa-install-subtitle {
  margin: 3px 0 0;
  font-size: 12px;
  line-height: 1.35;
  color: #6b7a88;
}

.pwa-install-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.pwa-install-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  background: #0f4c5c;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  padding: 10px 14px;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.15s ease;
}

.pwa-install-btn:hover {
  background: #0a3945;
}

.pwa-install-dismiss {
  appearance: none;
  border: 0;
  background: transparent;
  color: #8a97a5;
  cursor: pointer;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  padding: 0;
}

.pwa-install-dismiss:hover {
  background: #f0f3f6;
  color: #4a5560;
}

.pwa-ios-hint {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: calc(100% + 8px);
  padding: 10px 12px;
  background: #1a1a1a;
  color: #fff;
  font-size: 12px;
  line-height: 1.4;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

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

.pwa-ios-hint::after {
  content: '';
  position: absolute;
  left: 28px;
  bottom: -6px;
  width: 12px;
  height: 12px;
  background: #1a1a1a;
  transform: rotate(45deg);
}

@media (max-width: 520px) {
  .pwa-install-banner {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px;
  }

  .pwa-install-text {
    flex: 1 1 calc(100% - 62px);
  }

  .pwa-install-actions {
    width: 100%;
    justify-content: flex-end;
    padding-left: 62px;
  }
}