.pwa-install {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 2140;
  width: min(540px, calc(100vw - 24px));
}

.pwa-install-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 24px;
  border: 1px solid rgba(214, 224, 236, 0.92);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 255, 0.96));
  box-shadow: 0 26px 56px rgba(15, 23, 42, 0.18);
  backdrop-filter: blur(22px);
}

.pwa-install-card img {
  flex: 0 0 auto;
  border-radius: 16px;
  box-shadow: 0 14px 28px rgba(33, 90, 230, 0.2);
}

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

.pwa-install-copy strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: #10213f;
}

.pwa-install-copy span {
  display: block;
  margin-top: 5px;
  color: #52627d;
  font-size: 12px;
  line-height: 1.65;
}

.pwa-install-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pwa-install-steps span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(33, 90, 230, 0.08);
  color: #215ae6;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.pwa-install-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pwa-install-actions .btn {
  white-space: nowrap;
}

[data-theme="dark"] .pwa-install-card {
  border-color: rgba(71, 85, 105, 0.7);
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(12, 22, 38, 0.92));
  box-shadow: 0 26px 56px rgba(2, 8, 23, 0.44);
}

[data-theme="dark"] .pwa-install-copy strong {
  color: #e6edf6;
}

[data-theme="dark"] .pwa-install-copy span {
  color: #9fb1c9;
}

[data-theme="dark"] .pwa-install-steps span {
  background: rgba(59, 130, 246, 0.16);
  color: #bfdbfe;
}

@media (max-width: 640px) {
  .pwa-install {
    width: calc(100vw - 16px);
    bottom: calc(10px + env(safe-area-inset-bottom));
  }

  .pwa-install-card {
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: 18px;
  }

  .pwa-install-card img {
    width: 48px;
    height: 48px;
  }

  .pwa-install-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .pwa-install-actions .btn-close {
    align-self: flex-end;
  }

  .pwa-install-steps {
    gap: 6px;
  }
}