excalidraw/packages/excalidraw/components/Sidebar/Sidebar.scss

@import "open-color/open-color";
@import "../../css/variables.module.scss";

.excalidraw {
  .sidebar {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: var(--zIndex-ui-library);
    margin: 0;
    padding: 0;
    box-sizing: border-box;

    background-color: var(--sidebar-bg-color);
    box-shadow: var(--sidebar-shadow);

    pointer-events: var(--ui-pointerEvents);

    :root[dir="rtl"] & {
      left: 0;
      right: auto;
    }

    &--docked {
      box-shadow: none;
    }

    overflow: hidden;
    border-radius: 0;
    width: calc(var(--right-sidebar-width) - var(--space-factor) * 2);

    border-left: 1px solid var(--sidebar-border-color);

    :root[dir="rtl"] & {
      border-right: 1px solid var(--sidebar-border-color);
      border-left: 0;
    }
  }

  // ---------------------------- sidebar header ------------------------------

  .sidebar__header {
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1rem 0.75rem;
    position: relative;

    &::after {
      content: "";
      width: calc(100% - 1.5rem);
      height: 1px;
      background: var(--sidebar-border-color);
      position: absolute;
      bottom: -1px;
    }
  }

  .sidebar__header__buttons {
    gap: 0;
    display: flex;
    align-items: center;
    margin-left: auto;

    button {
      @include outlineButtonStyles;
      --button-bg: transparent;
      border: 0 !important;

      width: var(--lg-button-size);
      height: var(--lg-button-size);
      padding: 0;

      svg {
        width: var(--lg-icon-size);
        height: var(--lg-icon-size);
      }

      &:hover {
        background: var(--button-hover-bg, var(--island-bg-color));
      }
    }

    .sidebar__dock.selected {
      svg {
        stroke: var(--color-primary);
        fill: var(--color-primary);
      }
    }
  }

  // ---------------------------- sidebar tabs ------------------------------

  .sidebar-tabs-root {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 1rem 0;

    [role="tabpanel"] {
      flex: 1;
      outline: none;

      flex: 1 1 auto;
      display: flex;
      flex-direction: column;
      outline: none;
    }

    [role="tabpanel"][data-state="inactive"] {
      display: none !important;
    }

    [role="tablist"] {
      display: grid;
      gap: 1rem;
      grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    }
  }

  .sidebar-tabs-root > .sidebar__header {
    padding-top: 0;
    padding-bottom: 1rem;
  }

  .sidebar-tab-trigger {
    --button-width: auto;
    --button-bg: transparent;
    --button-hover-bg: transparent;
    --button-active-bg: var(--color-primary);
    --button-hover-color: var(--color-primary);
    --button-hover-border: var(--color-primary);

    &[data-state="active"] {
      --button-bg: var(--color-primary);
      --button-hover-bg: var(--color-primary-darker);
      --button-hover-color: var(--color-icon-white);
      --button-border: var(--color-primary);
      color: var(--color-icon-white);
    }
  }

  // ---------------------------- default sidebar ------------------------------

  .default-sidebar {
    display: flex;
    flex-direction: column;

    .sidebar-triggers {
      $padding: 2px;
      $border: 1px;
      display: flex;
      gap: 0;
      padding: $padding;
      // offset by padding + border to vertically center the list with sibling
      // buttons (both from top and bototm, due to flex layout)
      margin-top: -#{$padding + $border};
      margin-bottom: -#{$padding + $border};
      border: $border solid var(--sidebar-border-color);
      background: var(--default-bg-color);
      border-radius: 0.625rem;

      .sidebar-tab-trigger {
        height: var(--lg-button-size);
        width: var(--lg-button-size);

        border: none;
      }
    }
  }
}