.pwa-install-prompt {
  --pwa-accent: var(--track-primary, var(--primary, #2f6bff));
  --pwa-accent-dark: var(--track-primary-dark, var(--primary-dark, #1e54d6));
  --pwa-close-depth: color-mix(in srgb, #ffffff 48%, #64748b 52%);
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  /* Above application drawers/viewers, below the launch and consent guards. */
  z-index: 2147483644;
  width: min(390px, calc(100vw - 40px));
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--pwa-accent) 24%, #dce5f8);
  border-radius: 20px;
  background: color-mix(in srgb, #ffffff 97%, var(--pwa-accent) 3%);
  box-shadow: 0 20px 48px rgba(15, 31, 67, 0.2), 0 4px 12px rgba(15, 31, 67, 0.1);
  color: #17233a;
  font-family: inherit;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
  isolation: isolate;
  touch-action: manipulation;
}

.pwa-install-prompt.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto !important;
}

.pwa-install-prompt[aria-hidden="true"] {
  pointer-events: none !important;
}

.pwa-install-prompt__layout {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 32px;
  gap: 14px;
  align-items: start;
}

.pwa-install-prompt__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--pwa-accent);
  box-shadow: 0 4px 0 var(--pwa-accent-dark);
}

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

.pwa-install-prompt__title {
  margin: 1px 0 5px;
  color: #101a2d;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.25;
}

/* Keep public-page heading decorations out of the install prompt. */
.pwa-install-prompt__title::after {
  content: none;
  display: none;
}

.pwa-install-prompt__description,
.pwa-install-prompt__instructions {
  margin: 0;
  color: #536178;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.45;
}

.pwa-install-prompt__instructions {
  display: none;
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--pwa-accent) 20%, #dce5f8);
  border-radius: 12px;
  background: color-mix(in srgb, #ffffff 91%, var(--pwa-accent) 9%);
}

.pwa-install-prompt.is-showing-instructions .pwa-install-prompt__instructions {
  display: block;
}

.pwa-install-prompt__close {
  --pg-btn-depth: var(--pwa-close-depth);
  --public-button-local-depth: var(--pwa-close-depth);
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin: -4px -4px 0 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #65738a;
  cursor: pointer;
  font: inherit;
  font-size: 1.35rem;
  line-height: 1;
  position: relative;
  z-index: 1;
  pointer-events: auto !important;
  touch-action: manipulation;
}

.pwa-install-prompt__close:hover {
  background: color-mix(in srgb, #ffffff 84%, var(--pwa-accent) 16%);
  color: #263550;
}

.pwa-install-prompt__close:focus-visible,
.pwa-install-prompt__action:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--pwa-accent) 52%, transparent);
  outline-offset: 3px;
}

.pwa-install-prompt__actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.pwa-install-prompt__action {
  --pg-btn-depth: var(--pwa-accent-dark);
  --public-button-local-depth: var(--pwa-accent-dark);
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid color-mix(in srgb, var(--pwa-accent) 76%, #ffffff 24%);
  border-radius: 13px;
  background: var(--pwa-accent);
  box-shadow: 0 5px 0 var(--pwa-accent-dark);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1;
  transition: filter 120ms ease, transform 80ms ease, box-shadow 80ms ease;
  position: relative;
  z-index: 1;
  pointer-events: auto !important;
  touch-action: manipulation;
}

.pwa-install-prompt__action:hover {
  filter: brightness(1.05);
}

.pwa-install-prompt__action:active {
  transform: translateY(5px);
  box-shadow: 0 0 0 var(--pwa-accent-dark);
}

.pwa-install-prompt__action[disabled] {
  cursor: wait;
  filter: saturate(0.7);
  opacity: 0.72;
}

@media (prefers-color-scheme: dark) {
  .pwa-install-prompt {
    --pwa-close-depth: #07101f;
    border-color: color-mix(in srgb, var(--pwa-accent) 28%, #34445e);
    background: #111e32;
    box-shadow: 0 24px 56px rgba(0, 7, 20, 0.56), 0 5px 16px rgba(0, 7, 20, 0.38);
    color: #f5f8ff;
  }

  .pwa-install-prompt__title {
    color: #f7f9ff;
  }

  .pwa-install-prompt__description,
  .pwa-install-prompt__instructions {
    color: #c1ccdd;
  }

  .pwa-install-prompt__instructions {
    border-color: color-mix(in srgb, var(--pwa-accent) 24%, #34445e);
    background: color-mix(in srgb, #111e32 88%, var(--pwa-accent) 12%);
  }

  .pwa-install-prompt__close {
    color: #aebbd0;
  }

  .pwa-install-prompt__close:hover {
    background: color-mix(in srgb, #17263e 78%, var(--pwa-accent) 22%);
    color: #ffffff;
  }
}

@media (max-width: 600px) {
  .pwa-install-prompt {
    right: max(10px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    left: max(10px, env(safe-area-inset-left));
    width: auto;
    padding: 16px;
    border-radius: 18px;
  }

  .pwa-install-prompt__layout {
    grid-template-columns: 48px minmax(0, 1fr) 30px;
    gap: 12px;
  }

  .pwa-install-prompt__icon {
    width: 48px;
    height: 48px;
    border-radius: 13px;
  }

  .pwa-install-prompt__actions,
  .pwa-install-prompt__action {
    width: 100%;
  }

  .pwa-install-prompt__action {
    min-height: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-prompt,
  .pwa-install-prompt__action {
    transition: none;
  }
}

@media print {
  .pwa-install-prompt {
    display: none !important;
  }
}