.install-prompt {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 400px;
  margin: 0 auto;
  background: white;
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.install-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.install-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.install-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.install-text strong {
  color: #1e293b;
  font-size: 1rem;
}

.install-text span {
  color: #64748b;
  font-size: 0.85rem;
}

.install-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.install-dismiss {
  background: transparent;
  border: none;
  color: #64748b;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.install-dismiss:hover {
  background: #f1f5f9;
  color: #1e293b;
}

.install-button {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  border: none;
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.install-button:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Adjust for safe area on mobile */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .install-prompt {
    bottom: calc(1rem + env(safe-area-inset-bottom));
  }
}

/* Touch-friendly styles */
@media (hover: none), (pointer: coarse) {
  .install-dismiss {
    min-height: 44px;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
  }

  .install-button {
    min-height: 44px;
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
  }

  .install-actions {
    gap: 0.75rem;
  }
}

/* Active states for touch devices */
@media (hover: none) {
  .install-dismiss:active {
    background: #e2e8f0;
    transform: scale(0.98);
  }

  .install-button:active {
    transform: scale(0.98);
    opacity: 0.9;
  }

  /* Disable iOS tap highlight */
  .install-dismiss,
  .install-button {
    -webkit-tap-highlight-color: transparent;
  }
}

/* Hover-only styles for desktop */
@media (hover: hover) {
  .install-dismiss:hover {
    background: #f1f5f9;
    color: #1e293b;
  }

  .install-button:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  }
}

/* Focus states for accessibility */
.install-dismiss:focus-visible,
.install-button:focus-visible {
  outline: 3px solid #6366f1;
  outline-offset: 2px;
}