opencode/packages/ui/src/components/popover.css

[data-slot="popover-trigger"] {
  display: inline-flex;
}

[data-component="popover-content"] {
  z-index: 50;
  min-width: 200px;
  max-width: 320px;
  border-radius: var(--radius-md);
  background-color: var(--surface-raised-stronger-non-alpha);

  border: 1px solid color-mix(in oklch, var(--border-base) 50%, transparent);
  background-clip: padding-box;
  box-shadow: var(--shadow-md);

  transform-origin: var(--kb-popover-content-transform-origin);

  &:focus-within {
    outline: none;
  }

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

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

  [data-slot="popover-header"] {
    display: flex;
    padding: 12px;
    padding-bottom: 0;
    justify-content: space-between;
    align-items: center;
    gap: 8px;

    [data-slot="popover-title"] {
      flex: 1;
      color: var(--text-strong);
      margin: 0;

      font-family: var(--font-family-sans);
      font-size: var(--font-size-base);
      font-style: normal;
      font-weight: var(--font-weight-medium);
      line-height: var(--line-height-large);
      letter-spacing: var(--letter-spacing-normal);
    }

    [data-slot="popover-close-button"] {
      flex-shrink: 0;
    }
  }

  [data-slot="popover-description"] {
    padding: 0 12px;
    margin: 0;
    color: var(--text-base);

    font-family: var(--font-family-sans);
    font-size: var(--font-size-small);
    font-style: normal;
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-large);
    letter-spacing: var(--letter-spacing-normal);
  }

  [data-slot="popover-body"] {
    padding: 12px;
  }

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

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

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