@import "reset.css";
@import url("http://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800&subset=latin,latin-ext");

// Mixins
.gradient(@color: #F5F5F5, @start: #EEE, @stop: #FFF) {
    background: @color;
    background: -webkit-gradient(linear,
				 left bottom,
				 left top,
				 color-stop(0, @start),
				 color-stop(1, @stop));
    background: -ms-linear-gradient(bottom,
				    @start,
				    @stop);
    background: -moz-linear-gradient(center bottom,
				     @start 0%,
				     @stop 100%);
    background: -o-linear-gradient(@stop,
				   @start);
    background: linear-gradient(@stop,
				@start);
}
.vertical-gradient(@color: #F5F5F5, @start: #EEE, @stop: #FFF) {
    background: @color;
    background: -webkit-gradient(linear,
				 left top,
				 right top,
				 color-stop(0, @start),
				 color-stop(1, @stop));
    background: -ms-linear-gradient(left,
				    @start,
				    @stop);
    background: -moz-linear-gradient(right,
				     @start 0%,
				     @stop 100%);
    background: -o-linear-gradient(right,
				   @start 0%,
				   @stop 100%);
    background: linear-gradient(right,
				@start 0%,
				@stop 100%);
}
.linear-gradient(@arguments) {
    background: -webkit-linear-gradient(@arguments);
    background: -moz-linear-gradient(@arguments);
    background: -ms-linear-gradient(@arguments);
    background: -o-linear-gradient(@arguments);
    background: linear-gradient(@arguments);
}
.bordered(@top-color: #EEE, @right-color: #EEE, @bottom-color: #EEE, @left-color: #EEE) {
    border-top: solid 1px @top-color;
    border-left: solid 1px @left-color;
    border-right: solid 1px @right-color;
    border-bottom: solid 1px @bottom-color;
}
.drop-shadow(@x-axis: 0, @y-axis: 1px, @blur: 2px, @alpha: 0.1) {
    -webkit-box-shadow: @x-axis @y-axis @blur rgba(0, 0, 0, @alpha);
    -moz-box-shadow: @x-axis @y-axis @blur rgba(0, 0, 0, @alpha);
    box-shadow: @x-axis @y-axis @blur rgba(0, 0, 0, @alpha);
}
.rounded(@radius: 3px) {
    -webkit-border-radius: @radius;
    -moz-border-radius: @radius;
    border-radius: @radius;
}
.inner-shadow(@horizontal:0, @vertical:1px, @blur:2px, @alpha: 0.4) {
    -webkit-box-shadow: inset @horizontal @vertical @blur rgba(0, 0, 0, @alpha);
    -moz-box-shadow: inset @horizontal @vertical @blur rgba(0, 0, 0, @alpha);
    box-shadow: inset @horizontal @vertical @blur rgba(0, 0, 0, @alpha);
}
.box-shadow(@arguments) {
    -webkit-box-shadow: @arguments;
    -moz-box-shadow: @arguments;
    box-shadow: @arguments;
}
.transition(@property: all, @duration:0.2s, @ease:ease-out) {
    -webkit-transition: @property @duration @ease;
    -moz-transition: @property @duration @ease;
    -o-transition: @property @duration @ease;
    transition: @property @duration @ease;
}
.no-select {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

// Moka definitions

// Variables

@blue: #4a90d9;
@lightblue: #E9ECFA;
@lighter: #f1f1f1;
@light: #eee;
@grey: #aaa;
@dark: #888;
@darker: #444;
@verydark: #333;


// mixins

.mk_default {
    // Generic fonts
    font-size: 12px;
    font-family: "Open Sans", helvetica, arial, sans;
    line-height: 1.5em;
    color: @darker;
    text-shadow: 0 1px 0 white;
    
    // no padding or margin
    padding: 0;
    margin: 0;
}

.mk_absolute {
    position: absolute;
    display: block;
    overflow: hidden;
}

.mk_overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: transparent;
}

.moka_view {    
    .mk_absolute;

    // Labels & headings

    &.mk_label {
	.mk_default;
	color: @verydark;
	padding: 4px;

	&.mk_heading {
	    font-weight: bold;

	    &.level1 {
		font-size: 2em;
	    }
	    &.level2 {
		font-size: 1.8em;
	    }
	    &.level3 {
		font-size: 1.6em;
	    }
	    &.level4 {
		font-size: 1.4em;
	    }
	    &.level5 {
		font-size: 1.2em;
	    }
	}
    }

    // Panes
    
    &.mk_pane {

	&.mk_panel {
	    background: @light;
	    border-color: @dark;
	    border-style: solid;
	}
    }

    &.mk_modal {
	z-index: 1001;
	background: transparent;
	border: 0 none;

	&:focus {
	    outline: 0 none;
	}
    }

    // Scrollbars

    &.mk_scroll {

	.mk_scroll_rail {
	    position: absolute;
	    z-index: 1;

	    .mk_scrollbar {
		position: absolute;
		.rounded(8px);
		.transition(background, 0.2s);
		opacity: 0.6;

		&:hover, &.ui-draggable-dragging {
		    background: @verydark;
		}
	    }

	    &.vertical {
		top: 0;
		right: 0;
		bottom: 0;
		width: 10px;

		.mk_scrollbar {
		    width: 8px;
		}
	    }

	    &.horizontal {
		bottom: 0;
		left: 0;
		right: 0;
		height: 10px;

		.mk_scrollbar {
		    height: 8px;
		}
	    }
	}

	&:hover {
	    .mk_scrollbar {
		background: rgba(0,0,0,0.4);
	    }
	}
    }

    // Controls
    
    .mk_control, .mk_control:active, .mk_control:focus {
	.mk_default;
	.mk_absolute;
	.rounded();
	border: 1px solid darken(@grey, 10%);
	.box-shadow(inset 0 0 3px 0 lighten(@grey, 10%));
	background-color: white;
	// see http://stackoverflow.com/questions/14768780/how-can-i-pass-mixin-arguments-along-literally-in-less-css
	.linear-gradient(~"top, #eee 0%, white 6px");

	&:focus {
	    outline: 0;
	}

	&::-moz-focus-inner {
	    border: 0;
	}
    }

    &.mk_button {
	.mk_control;
	.no-select;
	.box-shadow(0 1px 1px 0 lighten(@grey, 18%));
	.gradient(#fafafa, #dedede, white);

	&.default {
	    .gradient(lighten(@blue, 20%), lighten(@blue, 20%), lighten(@blue, 35%));
	    text-shadow: 0 1px 0 @light;

	    &:active {
	    	background: lighten(@blue, 20%);
	    	border-color: @blue;
	    }
	}

	&:focus {
	    border-color: @blue;
	    box-shadow: 0 0 5px @blue;
	}

	&:active {
	    background: lighten(@grey, 20%);
	    .box-shadow(inset 0 0 3px 0 @dark);
	    border-color: saturate(@dark, 10%);
	}
    }
    
    &.mk_input, &.mk_textarea {
	.mk_control;
	resize: none;
	padding: 0 4px;
	text-shadow: 0 0 0;

	&:focus {
	    .box-shadow(inset 0 0 3px 0 @dark);
	    border-color: @blue;
	}
    }

    &.mk_checkbox {
	.no-select;
	background: url('../images/moka/check.png') 50% 50% no-repeat;
	height: 16px;
	width: 16px;

	&:focus {
	    outline: 0;
	}

	&.checked {
	    background-image: url('../images/moka/check-active.png');
	}
    }

    &.mk_switch {
	.no-select;
	.mk_button;
	.rounded(20px);
	vertical-align: middle;
	display: inline-block;
	height: 20px;
	width: 39px;
	background: url('../images/moka/switch.png') 100% 50% no-repeat;
	.transition(background, .2s);
	border-color: darken(@dark, 10%);

	&:active {
	    background: url('../images/moka/switch.png') 100% 50% no-repeat;
	}

	&.checked {
	    background: url('../images/moka/switch.png') 0% 50% no-repeat;
	}
    }


    // Lists
    
    &.mk_list {
	cursor: default;
	.mk_default;
	.no-select;
	.mk_control;
	padding: 0;
	background: white;

	&:focus {
	    outline: 0;
	    border-color: @blue;

	    li.selected {
		background: lighten(@blue, 10%);
		color: white;
	    }
	}

	li {
	    line-height: 2em;
	    padding: 0 4px;
	    text-shadow: 0 0 0;
	    
	    &.selected {
		background: lighten(@grey, 20%);
	    }
	}

	&.mk_sourcelist {
	    background: transparent;
	    border: 0;
	    .rounded(0);
	    .box-shadow(0 0 0);

	    li {
		border-top: 1px solid transparent;
		border-bottom: 1px solid transparent;
		padding: 0 14px;
	    }

	    &:focus li.selected, li.selected {
		text-shadow: 0 1px 0 @verydark;
		.gradient(lighten(@blue, 10%), lighten(@blue, 10%), lighten(@blue, 20%));
		border-top: 1px solid @blue;
		border-bottom: 1px solid @blue;
		color: white;
		font-weight: bold;
	    }
	}
    }

    // Icons embedded in other views
    .mk_icon {
	vertical-align: middle;
	margin: -100px 2px;
	position: relative;
	top: -1px;
    }

    // Dropdowns

    &.mk_dropdown {
	.mk_button;
	text-align: left;
	padding: 0 8px;

	.mk_dropdown_arrows {
	    position: absolute;
	    right: 0;
	    height: 100%;
	    width: 24px;
	    top: 0;
	    background-image: url(/images/moka/dropdown_arrows.png);
	    background-position: center;
	    background-repeat: no-repeat;
	    border-left: 1px solid darken(@grey, 10%);
	}
    }

    &.mk_dropdown_pane {
	padding: 6px;
	margin-left: -6px;
	margin-top: -6px;

	.mk_dropdown_list {
	    position: relative;
	    display: inline-block;
	    border: 0;
	    background: white;
	    .box-shadow(0 0 6px darken(@dark, 20%));
	    .rounded(0);
	    min-width: 120px;
	    max-height: 400px;

	    li {
		padding: 0 6px;

		&.selected {
		    background: @blue;
		    color: white;
		};
	    }
	    
	    &:focus {
		border: 0;
	    }
	}
    }


    // Split views

    &.mk_split_view {

	.mk_splitter {
	    position: absolute;
	    border-width: 0;
	    z-index: 10;
	}

	&.horizontal>.mk_splitter {
	    height: 100%;
	    width: 5px;
	    cursor: ew-resize;
	    float: left;
	    margin-left: -1px;
	    border-left: 1px solid @grey;

	}

	&.vertical>.mk_splitter {
	    height: 5px;
	    margin-top: -1px;
	    width: 100%;
	    border-top: 1px solid @grey;
	    cursor: ns-resize;
	}
    }
}