opencode/packages/ui/src/components/dropdown-menu.css

[data-component="dropdown-menu-content"],
[data-component="dropdown-menu-sub-content"] {
  min-width: 8rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklch, var(--border-base) 50%, transparent);
  background-clip: padding-box;
  background-color: var(--surface-raised-stronger-non-alpha);
  padding: 4px;
  box-shadow: var(--shadow-md);
  z-index: 50;
  transform-origin: var(--kb-menu-content-transform-origin);

  &:focus,
  &:focus-visible {
    outline: none;
  }

  &[data-closed] {
    animation: dropdown-menu-close 0.15s ease-out;
  }

  &[data-expanded] {
    animation: dropdown-menu-open 0.15s ease-out;
  }
}

[data-component="dropdown-menu-content"],
[data-component="dropdown-menu-sub-content"] {
  [data-slot="dropdown-menu-item"],
  [data-slot="dropdown-menu-checkbox-item"],
  [data-slot="dropdown-menu-radio-item"],
  [data-slot="dropdown-menu-sub-trigger"] {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: default;
    user-select: none;
    outline: none;

    font-family: var(--font-family-sans);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-large);
    letter-spacing: var(--letter-spacing-normal);
    color: var(--text-strong);

    &[data-highlighted] {
      background: var(--surface-raised-base-hover);
    }

    &[data-disabled] {
      color: var(--text-weak);
      pointer-events: none;
    }
  }

  [data-slot="dropdown-menu-checkbox-item"],
  [data-slot="dropdown-menu-radio-item"] {
    padding-right: 28px;
  }

  [data-slot="dropdown-menu-sub-trigger"] {
    &[data-expanded] {
      background: var(--surface-raised-base-hover);
    }
  }

  [data-slot="dropdown-menu-item-indicator"] {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
  }

  [data-slot="dropdown-menu-item-label"] {
    flex: 1;
  }

  [data-slot="dropdown-menu-item-description"] {
    font-size: var(--font-size-x-small);
    color: var(--text-weak);
  }

  [data-slot="dropdown-menu-separator"] {
    height: 1px;
    margin: 4px -4px;
    border-top-color: var(--border-weak-base);
  }

  [data-slot="dropdown-menu-group-label"] {
    display: block;
    padding: 4px 8px;
    font-family: var(--font-family-sans);
    font-size: var(--font-size-x-small);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-large);
    letter-spacing: var(--letter-spacing-normal);
    color: var(--text-weak);
  }

  [data-slot="dropdown-menu-arrow"] {
    fill: var(--surface-raised-stronger-non-alpha);
  }
}

@keyframes dropdown-menu-open {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes dropdown-menu-close {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.96);
  }
}