.pwa-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 50px;
  padding: 0.7rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 6px 20px rgb(0, 0, 0, 0.25);
}

.pwa-fab.pwa-fab-show {
  display: inline-flex;
}

.pwa-fab svg {
  flex-shrink: 0;
  display: block;
}

@media (max-width: 640px) {
  .pwa-fab {
    padding: 0.7rem;
  }

  .pwa-fab-text {
    display: none;
  }
}

#pwaSheetOverlay {
  position: fixed;
  inset: 0;
  background: rgb(0, 0, 0, 0.6);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

#pwaSheetOverlay.open {
  opacity: 1;
  pointer-events: auto;
}

#pwaSheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--panel);
  border-radius: 20px 20px 0 0;
  padding: 2rem 1.5rem 2.5rem;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  z-index: 1001;
  max-width: 560px;
  margin: 0 auto;
}

#pwaSheet.open {
  transform: translateY(0);
}

.pwa-sheet-handle {
  width: 40px;
  height: 4px;
  border-radius: 2px;
  background: rgb(255, 255, 255, 0.2);
  margin: 0 auto 1.5rem;
}

.pwa-sheet-title {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  color: var(--text);
}

.pwa-step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: center;
}

.pwa-step-num {
  min-width: 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgb(var(--accent-rgb), 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.pwa-step-text {
  color: var(--text);
  padding-top: 0.3rem;
}

#pwaSheetClose {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.5rem;
}