//
// Metronic Grid System
//

// Generate the extra small columns
@mixin make-xs-column($columns) {
    width: percentage(($columns / $m-grid-columns));
}

// Generate the small columns
@mixin make-sm-column($columns) {
    @media (min-width: map-get($m-layout-breakpoints, md) - 1) {
        width: percentage(($columns / $m-grid-columns));
    }
}

// Generate the medium columns
@mixin make-md-column($columns) {
    @media (min-width: map-get($m-layout-breakpoints, lg) - 1) {
        width: percentage(($columns / $m-grid-columns));
    }
}

// Generate the large columns
@mixin make-lg-column($columns) {
    @media (min-width: map-get($m-layout-breakpoints, xl) - 1) {
        width: percentage(($columns));
    }
}

// Generate grid columns
@mixin make-grid-columns($i: 1, $list: ".m-grid-col-xs-#{$i}, .m-grid-col-sm-#{$i}, .m-grid-col-md-#{$i}, .m-grid-col-lg-#{$i}") {
    @for $i from (1 + 1) through $m-grid-columns {
        $list: "#{$list}, .m-grid-col-xs-#{$i}, .m-grid-col-sm-#{$i}, .m-grid-col-md-#{$i}, .m-grid-col-lg-#{$i}";
    }
}

@mixin calc-grid-column($index, $class, $type) {
    @if ($type == width) and ($index > 0) {
        .m-grid-col-#{$class}-#{$index} {
            width: percentage(($index / $m-grid-columns));
        }

        .m-grid-col-#{$class}-offset-#{$index} {
            margin-left: percentage(($index / $m-grid-columns));
        }
    }
}

@mixin loop-grid-columns($columns, $class, $type) {
    @for $i from 0 through $columns {
        @include calc-grid-column($i, $class, $type);
    }
}

// Create grid for specific class
@mixin make-grid($class) {
    @include loop-grid-columns($m-grid-columns, $class, width);
}

// table based grid

.m-grid {
    display: table;
    width: 100%;
    table-layout: fixed;

    &.m-grid-auto {  
	    width: auto;
	}

	&.m-grid-full-height {
	    height: 100%; 

	    > .m-grid-row {
	    	height: 100%;
			position: static;

			> .m-grid-col {
				height: 100%;
			}
	    }

	    > .m-grid-col {
			height: 100%;
		}
	}

	// grid row
	.m-grid-row {
    	display: table-row;

    	&.m-grid-row-full-height {
		    height: 100%;
			position: static;
		}

		&.m-grid-row-auto-height {
		    height: auto;

		    > .m-grid-col {
				height: auto;
			}
		}
	}

	// grid column
	.m-grid-col {
	    display: table-cell;
	    text-align: left;
	    vertical-align: top;
	    
	    // col options
	    &.m-grid-col-full-width {
		    width: 100%;
		}

		&.m-grid-col-full-height {
		    height: 100%;
		}

		&.m-grid-col-auto-height {
		    height: auto;
		}

		&.m-grid-col-top {
		    vertical-align: top;
		}

		&.m-grid-col-middle {
		    vertical-align: middle;
		}

		&.m-grid-col-bottom {
		    vertical-align: bottom;
		}

		&.m-grid-col-left {
		    text-align: left;
		}

		&.m-grid-col-center {
		    text-align: center;
		}

		&.m-grid-col-right {
		    text-align: right;
		}

      	&:not(.m-grid-col-middle):not(.m-grid-col-bottom) {
			vertical-align: top;
		}

	    // col sizes
	    &.m-grid-col-xs,
	    &.m-grid-col-sm,
	    &.m-grid-col-md,
	    &.m-grid-col-lg {
	        width: 100%;
	        display: block;
	    }
	}
}

// Demo grid

.m-grid.m-grid-demo {

	.m-grid-col {
		border: 1px solid #ddd;
		background: #fafafa;
		height: 100px;
	}
}

// Extra small grid
@include make-grid(xs);

// Small grid
@media (min-width: map-get($m-layout-breakpoints, sm) - 1px) {
    @include make-grid(sm);
}

// Medium grid
@media (min-width: map-get($m-layout-breakpoints, md) - 1px) {
    @include make-grid(md);
}

// Large grid
@media (min-width: map-get($m-layout-breakpoints, lg) - 1px) {
    @include make-grid(lg);
}

// Responsive grids 

//== convert to block below LG resolution
@each $breakpoint, $breakpoint-width in $m-layout-breakpoints {
	@media (max-width: $breakpoint-width - 1px) {
	    .m-grid.m-grid-responsive-#{$breakpoint} {
	        display: block;
	        width: auto;
	        
	        > .m-grid-row,
	        > .m-grid-row > .m-grid-col,
	        > .m-grid-col {
	            display: block;
	            width: auto;
	            height: auto;
	        }

	        > .m-grid-row {
	        	display:flex;
		        flex-flow: column;
	        }

	        // flex grid mode
	        &.m-grid-flex {
		        display:flex;
		        flex-flow: column;

		        @for $i from (1 + 1) through $m-grid-columns {
		            > .m-grid-row > .m-grid-col-order-#{$i},
		            > .m-grid-col-order-#{$i} {
		                order: #{$i};
		            }
		        }
		    }
	    }
	}
}