._css_vars {
  padding: 1rem;
  color: var(--fg);

  ._controls {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--s2-bg);
    border-radius: 4px;
  }

  ._checkbox_label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;

    input[type="checkbox"] {
      margin: 0;
    }
  }

  ._variables_list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  ._variable_item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 4px;
    gap: 8px;

    &._has_children {
      flex-direction: column;
      align-items: stretch;

      > ._variable_name, > ._variable_value {
        flex: none;
      }
    }

    &._child_item {
      background: var(--s2-bg, #f9f9f9);
      border-left: 3px solid var(--p1-fg);
      margin-top: 0.25rem;
    }
  }

  ._variable_name {
    flex: 0 0 200px;
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--fg);
    white-space: nowrap;

    ._child_item & {
      flex: 0 0 180px;
      font-size: 0.8rem;
    }
  }

  ._variable_value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;

    code {
      font-family: monospace;
      font-size: 0.875rem;
      // color: var(--s2-fg);
      background: var(--s2-bg);
      padding: 0.25rem 0.5rem;
      border-radius: 2px;
    }

    ._child_item & {
      code {
        font-size: 0.8rem;
      }
    }
  }

  ._children {
    margin-top: 0.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--color-border, #e0e0e0);
  }

  ._color_sample {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid var(--color-border, #e0e0e0);
    flex-shrink: 0;

    ._child_item & {
      width: 20px;
      height: 20px;
    }
  }

  ._no_variables {
    color: var(--color-text-secondary, #666);
    font-style: italic;
    text-align: center;
    padding: 2rem;
  }
}