/**
 * All BezierCurveEditor selectors descend from .bezier-curve-editor to constrain styles to this extension
 */
@cubic-bezier: url(grid.png);

.bezier-curve-editor * {
    margin: 0;
}

.bezier-curve-editor {
    position: relative;
    height: 300px;
    margin: 0 25px;
}

.bezier-curve-editor:focus {
    outline: none;
}

.bezier-curve-editor .cubic-bezier {
    background: @cubic-bezier 0px -75px repeat-x;
    background-size: 15px 450px;
    height: 300px;
    width: 149px;
    margin: 0 0 0 25px;
    position: absolute;
    top: 0;
    z-index: 2;
}

.bezier-curve-editor:after {
    content: "";
    display: block;
    height: 300px;
    width: 149px;
    margin: 0 0 0 25px;
    background: -webkit-linear-gradient(270deg, rgba(255, 255, 255, 0) 0%, #fff 30%, #fff 70%, rgba(255, 255, 255, 0) 100%);
    background-position: 2px 0;
    position: absolute;
    top: 0;
    z-index: 1;
}

.bezier-curve-editor .coordinate-plane {
    position: relative;
    left: 0;
    line-height: 0;
    top: 75px;
    width: 149px;
    height: 149px;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}

.bezier-curve-editor .coordinate-plane:before,
.bezier-curve-editor .coordinate-plane:after {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: .3em .5em;
    
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    
    color: #454545;
    font-size: 11px;
    line-height: 1;
}

.bezier-curve-editor .coordinate-plane:before {
    border-bottom: 1px solid transparent;
       -moz-transform: rotate(-90deg);
        -ms-transform: rotate(-90deg);
         -o-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
            transform: rotate(-90deg);
       -moz-transform-origin: bottom left;
        -ms-transform-origin: bottom left;
         -o-transform-origin: bottom left;
    -webkit-transform-origin: bottom left;
            transform-origin: bottom left;
    white-space: nowrap;
}

.bezier-curve-editor .coordinate-plane:after {
    margin-bottom: -1.5em;
    white-space: nowrap;
}

.bezier-curve-editor .control-point {
    background: #e5e9e9;
    position: absolute;
    z-index: 2;
    height: 16px;
    width: 16px;
    border: 1px solid #b2b5b5;
    margin: -8px 0 0 -8px;
    outline: none;
    padding: 0 !important;
    box-sizing: border-box;
    border-radius: 8px;
}

.bezier-curve-editor .control-point:focus {
    border: 1px solid #2893ef !important;
    box-shadow: 0 0 0 2px #94ceff;
}

.bezier-curve-editor .P0, .bezier-curve-editor .P3 {
    background: #2893ef;
    border-radius: 0;
    border: none;
    height: 12px;
    width: 12px;
    z-index: 1;
}

.bezier-curve-editor .P1, .bezier-curve-editor .P2 {
    cursor: pointer;
    z-index: 100;
}

.bezier-curve-editor .P0 {
    left: 2px;
    top: 151px;
}

.bezier-curve-editor .P3 {
    right: -7px;
    top: 1px;
}

.bezier-curve-editor canvas.curve {
    position: absolute;
    z-index: 1;
    top: -75px;
    left: 0;

    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}


/**
 * All StepEditor selectors descend from .step-editor to constrain styles to this extension
 */
.step-editor * {
    margin: 0;
}

.step-editor {
    position: relative;
    height: 190px;
    margin: 0 25px;
}

.step-editor:focus, .step-editor canvas.steps:focus {
    outline: none;
}

.step-editor .steps-func {
    height: 179px;
    width: 179px;
    margin: 0 0 0 17px;
    position: absolute;
    top: 0;
    z-index: 2;
}

.step-editor:after {
    content: "";
    display: block;
    height: 179px;
    width: 179px;
    margin: 0 0 0 25px;
    background-position: 2px 0;
    position: absolute;
    top: 0;
    z-index: 1;
}

.step-editor .coordinate-plane {
    background: #fff;
    position: relative;
    left: 0;
    line-height: 0;
    top: 0;
    width: 179px;
    height: 190px;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}

.step-editor .coordinate-plane:before,
.step-editor .coordinate-plane:after {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    
    color: #454545;
    font-size: 11px;
    line-height: 1;
}

.step-editor .coordinate-plane:before {
    border-bottom: 1px solid transparent;
       -moz-transform: rotate(-90deg);
        -ms-transform: rotate(-90deg);
         -o-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
            transform: rotate(-90deg);
       -moz-transform-origin: top left;
        -ms-transform-origin: top left;
         -o-transform-origin: top left;
    -webkit-transform-origin: top left;
            transform-origin: top left;
    white-space: nowrap;
    
    padding: .3em .5em 0 1.3em;
}

.step-editor .coordinate-plane:after {
    margin-left: 15px;
    white-space: nowrap;
    
    bottom: 0.9em;
    padding: 0 .5em 0 0.2em;
}

.step-editor canvas.steps {
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;

    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}

.bezier-curve-editor .info,
.step-editor .info {
    position: absolute;
    z-index: 1;
    top: 20px;
    left: 170px;
    width: 400px;

    font-family: SourceSansPro;
    font-size: 11px;
    line-height: 2.2 !important;
}

.step-editor .info {
    left: 205px;
}

.bezier-curve-editor kbd,
.step-editor kbd {
    font-size: 15px;
    font-weight: bold;
    color: #454545;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: inline-block;
    margin: 0 2px 2px 0;
    padding: 0 3px 2px;
    border-radius: 2px;
    vertical-align: top;
    line-height: 1;
}

.bezier-curve-editor kbd.text,
.step-editor kbd.text {
    font-size: 10px;
    font-family: SourceSansPro;
    font-weight: normal;
    padding: 4px 4px;
}

.bezier-curve-editor .info .hint,
.step-editor .info .hint {
    margin-top: 25px;
    font-size: 13px;
    display: none;
    opacity: 1;
    line-height: 1.5 !important;
}

.bezier-curve-editor .info .hint.fadeout,
.step-editor .info .hint.fadeout {
    transition: opacity 0.6s ease-in 0.1s;
    opacity: 0;
}

/* Dark UI theme */

@dark-bc-bg-highlight: #2a3b50;
@dark-bc-highlight: rgba(255, 255, 255, 0.06);
@dark-bc-text: #ccc;
@dark-bc-text-alt: #fff;
@dark-bc-btn-bg: #3f3f3f;
@dark-bc-btn-border: #202020;
@dark-bc-btn-border-focused: #2893ef;
@dark-bc-btn-border-focused-glow: transparent;
@dark-bc-shadow: rgba(0, 0, 0, 0.24);
@dark-bc-shadow-small: rgba(0, 0, 0, 0.06);
@dark-bc-shadow-medium: rgba(0, 0, 0, 0.12);
@dark-bc-input-bg: #555;

@dark-cubic-bezier: url("grid-dark.png");

.dark {
    .bezier-curve-editor {
        color: @dark-bc-text;

        .cubic-bezier {
            background: @dark-cubic-bezier 0px -75px repeat-x;
            background-size: 15px 450px;
        }

        .control-point {
            background: @dark-bc-btn-bg;
            border: 1px solid @dark-bc-btn-border;
        }

        .control-point:focus {
            border: 1px solid @dark-bc-btn-border-focused !important;
            box-shadow: 0 0 0 2px @dark-bc-btn-border-focused-glow;
        }

        .P0, .P3 {
            background: @dark-bc-btn-border-focused;
        }

        .coordinate-plane:before,
        .coordinate-plane:after {
            color: @dark-bc-text;
        }

        kbd {
            background: #3D3D3D;
            color: white;
        }
    }

    .bezier-curve-editor:after {
        background: -webkit-linear-gradient(270deg, rgba(255, 255, 255, 0) 0%, @dark-bc-input-bg 30%, @dark-bc-input-bg 70%, rgba(255, 255, 255, 0) 100%);
    }

    .step-editor {
        color: @dark-bc-text;

        kbd {
            background: #3D3D3D;
            color: white;
        }
        
        .coordinate-plane {
            background: #2c2c2c;
        }

        .coordinate-plane:before,
        .coordinate-plane:after {
            color: @dark-bc-text;
        }
    }
    
    .bezier-curve-editor,
    .step-editor {
        code {
            color: @dark-bc-text-alt;
        }        
    }
}