opencode/packages/web/src/components/share/content-diff.module.css

.root {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sl-color-divider);
  background-color: var(--sl-color-bg-surface);
  border-radius: 0.25rem;

  [data-component="desktop"] {
    display: block;
  }

  [data-component="mobile"] {
    display: none;
  }

  [data-component="diff-block"] {
    display: flex;
    flex-direction: column;
  }

  [data-component="diff-row"] {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;

    &:first-child {
      [data-slot="before"],
      [data-slot="after"] {
        padding-top: 0.25rem;
      }
    }

    &:last-child {
      [data-slot="before"],
      [data-slot="after"] {
        padding-bottom: 0.25rem;
      }
    }

    [data-slot="before"],
    [data-slot="after"] {
      position: relative;
      display: flex;
      flex-direction: column;
      overflow-x: visible;
      min-width: 0;
      align-items: stretch;
      padding: 0 1rem 0 2.2ch;

      &[data-diff-type="removed"] {
        background-color: var(--sl-color-red-low);

        pre {
          --shiki-dark-bg: var(--sl-color-red-low) !important;
          background-color: var(--sl-color-red-low) !important;
        }

        &::before {
          content: "-";
          position: absolute;
          left: 0.6ch;
          top: 1px;
          user-select: none;
          color: var(--sl-color-red-high);
        }
      }

      &[data-diff-type="added"] {
        background-color: var(--sl-color-green-low);

        pre {
          --shiki-dark-bg: var(--sl-color-green-low) !important;
          background-color: var(--sl-color-green-low) !important;
        }

        &::before {
          content: "+";
          position: absolute;
          user-select: none;
          color: var(--sl-color-green-high);
          left: 0.6ch;
          top: 1px;
        }
      }
    }

    [data-slot="before"] {
      border-right: 1px solid var(--sl-color-divider);
    }
  }

  [data-component="mobile"] {
    & > [data-component="diff-block"]:first-child > div {
      padding-top: 0.25rem;
    }

    & > [data-component="diff-block"]:last-child > div {
      padding-bottom: 0.25rem;
    }

    & > [data-component="diff-block"] > div {
      padding: 0 1rem 0 2.2ch;

      &[data-diff-type="removed"] {
        position: relative;
        background-color: var(--sl-color-red-low);

        pre {
          --shiki-dark-bg: var(--sl-color-red-low) !important;
          background-color: var(--sl-color-red-low) !important;
        }

        &::before {
          content: "-";
          position: absolute;
          left: 0.6ch;
          top: 1px;
          user-select: none;
          color: var(--sl-color-red-high);
        }
      }

      &[data-diff-type="added"] {
        position: relative;
        background-color: var(--sl-color-green-low);

        pre {
          --shiki-dark-bg: var(--sl-color-green-low) !important;
          background-color: var(--sl-color-green-low) !important;
        }

        &::before {
          content: "+";
          position: absolute;
          left: 0.6ch;
          top: 1px;
          user-select: none;
          color: var(--sl-color-green-high);
        }
      }
    }
  }

  @media (max-width: 40rem) {
    [data-component="desktop"] {
      display: none;
    }

    [data-component="mobile"] {
      display: block;
    }
  }
}