opencode/packages/ui/src/components/image-preview.css

[data-component="image-preview"] {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;

  [data-slot="image-preview-container"] {
    position: relative;
    z-index: 50;
    width: min(calc(100vw - 32px), 90vw);
    max-width: 1200px;
    height: min(calc(100vh - 32px), 90vh);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    [data-slot="image-preview-content"] {
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
      max-height: 100%;
      border-radius: var(--radius-lg);
      background: var(--surface-raised-stronger-non-alpha);
      box-shadow:
        0 15px 45px 0 rgba(19, 16, 16, 0.35),
        0 3.35px 10.051px 0 rgba(19, 16, 16, 0.25),
        0 0.998px 2.993px 0 rgba(19, 16, 16, 0.2);
      overflow: hidden;

      &:focus-visible {
        outline: none;
      }

      [data-slot="image-preview-header"] {
        display: flex;
        padding: 8px 8px 0;
        justify-content: flex-end;
        align-items: center;
        align-self: stretch;
      }

      [data-slot="image-preview-body"] {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 16px;
        overflow: auto;
      }

      [data-slot="image-preview-image"] {
        max-width: 100%;
        max-height: calc(90vh - 100px);
        object-fit: contain;
        border-radius: var(--radius-md);
      }
    }
  }
}