/* ------------------------------------------------------------------------------
*
*  # Buttons extension
*
*  The Buttons extension for DataTables provides a common set of options, API
*  methods and styling to display buttons that will interact with a DataTable
*
*  Version: 1.0
*  Latest update: Nov 10, 2015
*
* ---------------------------------------------------------------------------- */


// Buttons base
// ------------------------------

// Full width buttons
.dt-buttons-full {
    .dt-buttons {
        text-align: center;
        float: none;
        display: block;
        margin: 0;
        border-bottom: 1px solid @table-border-color;
        padding-top: @line-height-computed;
        padding-bottom: (@line-height-computed / 2);
        background-color: @table-bg-accent;

        > .btn {
            margin-bottom: (@line-height-computed / 2);
            float: none;
        }
    }
}

// Buttons. Default alignment is right
.dt-buttons {
    float: right;
    display: inline-block;
    margin: 0 0 @line-height-computed @content-padding-large;

    // Left display option
    .dt-buttons-left & {
        float: left;
    }

    // Mobile view
    @media screen and (max-width: 767px) {
        float: none;
        text-align: center;
        display: block;

        .btn {
            float: none;
        }
    }
}

// Basic button style
.dt-button {
    display: inline-block;
    border: 1px solid transparent;
    padding: @padding-base-vertical @padding-base-horizontal;
    outline: 0;

    + & {
        margin-left: (@grid-gutter-width / 2);
    }
}

// Dialog
.dt-button-info {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 400px;
    margin-top: -100px;
    margin-left: -200px;
    padding: @modal-inner-padding;
    background-color: #fff;
    border: 1px solid @dropdown-border;
    border-radius: @border-radius-base;
    text-align: center;
    z-index: @zindex-modal;
    .box-shadow(0 1px 3px rgba(0, 0, 0, 0.1));

    // Heading
    h2 {
        margin-top: 0;
        line-height: @modal-title-line-height;
        font-size: @font-size-h5;
    }
}

// Overlay
.dt-button-background {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: #333;
    z-index: @zindex-dropdown - 1;
    .opacity(0.25);
}


// Button collection
// ------------------------------

.dt-button-collection {
    &.dropdown-menu {
        display: block;
        z-index: @zindex-dropdown;
        padding: (@list-spacing - 2) 0;
        overflow: hidden;
        -webkit-column-gap: 2px;
        -moz-column-gap: 2px;
        -ms-column-gap: 2px;
        -o-column-gap: 2px;
        column-gap: 2px;

        // Menu item
        > li {
            padding: 0;
            padding-bottom: 1px;
            margin: 0;
            border: 0;
            display: block;
            position: relative;

            // Remove spacing in next items
            + li {
                margin-left: 0;
            }

            // Button
            > a {
                margin: 2px 2px 1px 2px;
                border-radius: @border-radius-base;
            }
        }

        // Fixed centered layout
        &.fixed {
            position: fixed;
            top: 50%;
            left: 50%;
            margin-left: -75px;
            padding-left: (@list-spacing - 2);
            padding-right: (@list-spacing - 2);

            // Two columns
            &.two-column {
                margin-left: -150px;
            }

            // Three columns
            &.three-column {
                margin-left: -225px;
            }

            // Four columns
            &.four-column {
                margin-left: -300px;
            }
        }

        // Inner content
        > * {
            -webkit-column-break-inside: avoid;
            break-inside: avoid;
        }

        // Two columns
        &.two-column {
            width: 300px;
            -webkit-column-count: 2;
            -moz-column-count: 2;
            -ms-column-count: 2;
            -o-column-count: 2;
            column-count: 2;
        }

        // Three columns
        &.three-column {
            width: 450px;
            -webkit-column-count: 3;
            -moz-column-count: 3;
            -ms-column-count: 3;
            -o-column-count: 3;
            column-count: 3;
        }

        // Four columns
        &.four-column {
            width: 600px;
            -webkit-column-count: 4;
            -moz-column-count: 4;
            -ms-column-count: 4;
            -o-column-count: 4;
            column-count: 4;
        }
    }
}