box-ui-elements/src/elements/content-sidebar/ContentSidebar.scss at c89d504fffda799c8bbb0027cc2cdf7c29777245 · box/box-ui-elements · GitHub

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@import '../common/variables';

$sidebarTabsWidth: 60px;
$sidebarWidth: $sidebarTabsWidth + $sidebarContentWidth;
$sidebarIncreasedWidth: $sidebarTabsWidth + $sidebarContentIncreasedWidth;
$sidebarDefaultErrorWidth: $sidebarContentWidth - 16px; // 16px is the compined 8px left and right margin on the .be-default-error
$sidebarDefaultErrorIncreasedWidth: $sidebarContentIncreasedWidth - 16px;

.be {
    &.bcs {
        position: relative;
        display: flex;
        width: auto;
        min-width: $sidebarTabsWidth;
        max-width: $sidebarWidth;
        background-color: $white;

        &.bcs-is-wider {
            max-width: $sidebarIncreasedWidth;
        }

        // When resizable, the default min-width is the un-resized sidebar width.
        // Inline style on the aside element overrides the default max-width to allow grow.
        &.bcs-is-resizable.bcs-is-open {
            min-width: $sidebarWidth;

            &.bcs-is-wider {
                min-width: $sidebarIncreasedWidth;
            }
        }
    }

    .bcs-loading {
        display: flex;
        flex: 1;
        align-items: center;
        width: 10px;
        margin: 0 auto;
        font-size: 0;
        white-space: nowrap;
    }

    .be-default-error {
        min-width: $sidebarDefaultErrorWidth;
    }

    &.bcs-is-open {
        .bcs-loading {
            width: $sidebarWidth;
        }
    }

    &.bcs-is-wider {
        .be-default-error {
            min-width: $sidebarDefaultErrorIncreasedWidth;
        }

        &.bcs-is-open {
            .bcs-loading {
                width: $sidebarIncreasedWidth;
            }
        }
    }
}

@include breakpoint($medium-screen) {
    .be {
        &.bcs {
            flex-basis: 100%;
            flex-direction: column;
            width: 100%;
            min-width: 0;
            max-width: none;
            max-height: 48px;
            transition: max-height 0.5s ease-in-out 0s;

            &.bcs-is-wider {
                max-width: none;
            }

            // Neutralize resizable overrides on small screens — sidebar is a bottom sheet here
            &.bcs-is-resizable.bcs-is-open {
                min-width: 0;

                &.bcs-is-wider {
                    min-width: 0;
                }
            }
        }

        &.bcs-is-open {
            position: absolute;
            bottom: 0;
            z-index: 5; // Stack sidebar above annotations. See z-index values https://github.com/box/box-annotations/blob/master/src/common/BaseAnnotator.scss
            max-height: 100%;
        }
    }
}