perspective-viewer 4.4.1

A data visualization and analytics component, especially well-suited for large and/or streaming datasets.
Documentation 
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/* ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
 * ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
 * ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
 * ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
 * ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
 * ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
 * ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
 * ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
 * ┃ This file is part of the Perspective library, distributed under the terms ┃
 * ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
 * ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
 */

:host {
    #editor-container {
        display: flex;
        flex-direction: column;
        min-width: 0px;
        border: 1px solid var(--psp-inactive--color);
        background-color: var(--psp--background-color);
        border-radius: 3px;
        overflow: hidden;

        .error {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            min-height: 1.5em;
            color: var(--psp-error--color);
            top: 0.5em;
            left: 0.5em;
            position: absolute;
            font-size: 10px;
            width: calc(100% - 24px);
        }

        &.disabled {
            #textarea_editable,
            #line_numbers,
            #editor {
                background-color: var(--psp-inactive--border-color);
            }
        }
    }

    #attributes-expr {
        flex: 1 1 auto;
        margin-top: 1px;
        display: flex;
        flex-direction: column;
    }

    #attribtues-tab .split-panel-child {
        max-height: 400px;
        flex-direction: column;
    }

    #expression-editor {
        display: flex;
        flex-direction: column;
    }

    #editor-alias-container {
        flex: 0 0 auto;
        margin-bottom: 2px;
    }

    .item_title {
        margin-bottom: 3px;
        margin-top: 4px;
    }

    input#expression-name {
        padding-left: 8px;
        color: inherit;

        &:placeholder-shown {
            background-color: transparent;
        }
    }

    .split-panel.orient-vertical > .split-panel-child #editor-container {
        height: calc(100% - 15px);
    }

    #horizontal-resize {
        position: absolute;
        top: 0;
        bottom: 0;
        right: 0;
        width: 8px;

        &:hover {
            cursor: ew-resize;
            background: rgba(0, 0, 0, 0.05);
        }
    }

    #psp-expression-editor-actions {
        display: flex;
        gap: 0.333333em;
        justify-content: flex-end;
        align-items: center;
    }

    #psp-expression-editor-meta {
        display: flex;
        flex: 0 0 24px;
        flex-direction: column;
        padding: 0.5em;
        gap: 0.25em;
        height: 24px;
        position: relative;
    }

    #save-settings,
    #danger-zone {
        display: flex;
        gap: 0.333333em;
    }
    #save-settings-wrapper {
        display: flex;
        flex-direction: column;
        gap: 0.333333em;
    }

    .psp-expression-editor__button {
        flex: 1;
        justify-content: center;
        font-family: inherit;
        font-size: 0.8333em;
        text-transform: uppercase;
        border: 1px solid var(--psp--color);
        border-radius: 2px;
        height: 24px;
        padding: 2px 12px;
        display: flex;
        align-items: center;
        background: none;
        color: inherit;

        &:not([disabled]):hover {
            cursor: pointer;
            background-color: var(--psp--color);
            color: var(--psp--background-color);
        }

        &[disabled] {
            cursor: not-allowed;
            opacity: 0.2;
        }
    }
}