
.keyframes(passing-through) {

    0% {
        opacity: 0;
        .transform(translateY(40px));
    }

    30%, 70% {
        opacity: 1;
        .transform(translateY(0px));
    }

    100% {
        opacity: 0;
        .transform(translateY(-40px));
    }
}


.keyframes(slide-in) {

    0% {
        opacity: 0;
        .transform(translateY(40px));
    }

    30% {
        opacity: 1;
        .transform(translateY(0px));
    }
}



.keyframes(pulse) {

    0% {
        .transform(scale(1));
    }

    10% {
        .transform(scale(1.1));
    }

    20% {
        .transform(scale(1));
    }
}



.dropzone, .dropzone * {
    box-sizing: border-box;
}

.dropzone {

    @image-size: 120px;

    @image-border-radius: 0;

    &.dz-clickable {
        cursor: pointer;

        * {
            cursor: default;
        }

        .dz-message {
            &, * {
                cursor: pointer;
            }
        }
    }

    min-height: 200px;
    border: 2px dashed @themeprimary;
    .border-radius(@image-border-radius);
    background: white;
    padding: 20px 20px;

    &.dz-started {
        .dz-message {
            display: none;
        }
    }

    &.dz-drag-hover {
        border-style: solid;

        .dz-message {
            opacity: 0.5;
        }
    }

    .dz-message {
        text-align: center;
        margin: 2.1em 0;
        font-size:32px;
    }



    .dz-preview {
        position: relative;
        display: inline-block;
        vertical-align: top;
        margin: 16px;
        min-height: 100px;

        &:hover {
            // Making sure that always the hovered preview element is on top
            z-index: 1000;

            .dz-details {
                opacity: 1;
            }
        }

        &.dz-file-preview {

            .dz-image {
                border-radius: @image-border-radius;
                background: #999;
                background: linear-gradient(to bottom, #eee, #ddd);
            }

            .dz-details {
                opacity: 1;
            }
        }

        &.dz-image-preview {
            background: white;

            .dz-details {
                .transition(opacity 0.2s linear);
            }
        }

        .dz-remove {
            font-size: 14px;
            text-align: center;
            display: block;
            cursor: pointer;
            border: none;

            &:hover {
                text-decoration: underline;
            }
        }

        &:hover .dz-details {
            opacity: 1;
        }

        .dz-details {
            @background-color: #444;

            z-index: 20;
            position: absolute;
            top: 0;
            left: 0;
            opacity: 0;
            font-size: 13px;
            min-width: 100%;
            max-width: 100%;
            padding: 2em 1em;
            text-align: center;
            color: rgba(0, 0, 0, 0.9);

            @width: 120px;

            line-height: 150%;

            .dz-size {
                margin-bottom: 1em;
                font-size: 16px;
            }

            .dz-filename {
                white-space: nowrap;

                &:hover {
                    span {
                        border: 1px solid rgba(200, 200, 200, 0.8);
                        background-color: rgba(255, 255, 255, 0.8);
                    }
                }

                &:not(:hover) {
                    span {
                        border: 1px solid transparent;
                    }

                    overflow: hidden;
                    text-overflow: ellipsis;
                }
            }

            .dz-filename, .dz-size {
                span {
                    background-color: rgba(255, 255, 255, 0.4);
                    padding: 0 0.4em;
                    border-radius: 3px;
                }
            }
        }

        &:hover {
            .dz-image {
                // opacity: 0.8;
                img {
                    .transform(scale(1.05, 1.05)); // Getting rid of that white bleed-in
                    .filter(blur(8px), webkit); // Getting rid of that white bleed-in
                }
            }
        }

        .dz-image {
            border-radius: @image-border-radius;
            overflow: hidden;
            width: @image-size;
            height: @image-size;
            position: relative;
            display: block;
            z-index: 10;

            img {
                display: block;
            }
        }


        &.dz-success {
            .dz-success-mark {
                .animation(passing-through 3s cubic-bezier(0.770, 0.000, 0.175, 1.000));
            }
        }

        &.dz-error {
            .dz-error-mark {
                opacity: 1;
                .animation(slide-in 3s cubic-bezier(0.770, 0.000, 0.175, 1.000));
            }
        }


        .dz-success-mark, .dz-error-mark {

            @image-height: 54px;
            @image-width: 54px;

            pointer-events: none;
            opacity: 0;
            z-index: 500;
            position: absolute;
            display: block;
            top: 50%;
            left: 50%;
            margin-left: -(@image-width/2);
            margin-top: -(@image-height/2);

            svg {
                display: block;
                width: @image-width;
                height: @image-height;
            }
        }


        &.dz-processing .dz-progress {
            opacity: 1;
            .transition(all 0.2s linear);
        }

        &.dz-complete .dz-progress {
            opacity: 0;
            .transition(opacity 0.4s ease-in);
        }

        &:not(.dz-processing) {
            .dz-progress {
                .animation(pulse 6s ease infinite);
            }
        }

        .dz-progress {
            opacity: 1;
            z-index: 1000;
            pointer-events: none;
            position: absolute;
            height: 16px;
            left: 50%;
            top: 50%;
            margin-top: -8px;
            width: 80px;
            margin-left: -40px;
            // border: 2px solid #333;
            background: rgba(255, 255, 255, 0.9);
            // Fix for chrome bug: https://code.google.com/p/chromium/issues/detail?id=157218
            -webkit-transform: scale(1);
            border-radius: 8px;
            overflow: hidden;

            .dz-upload {
                background: #333;
                background: linear-gradient(to bottom, #666, #444);
                position: absolute;
                top: 0;
                left: 0;
                bottom: 0;
                width: 0;
                .transition(width 300ms ease-in-out);
            }
        }

        &.dz-error {
            .dz-error-message {
                display: block;
            }

            &:hover .dz-error-message {
                opacity: 1;
                pointer-events: auto;
            }
        }

        .dz-error-message {
            @width: @image-size + 20px;
            @color: @danger;

            pointer-events: none;
            z-index: 1000;
            position: absolute;
            display: block;
            display: none;
            opacity: 0;
            .transition(opacity 0.3s ease);
            border-radius: 8px;
            font-size: 13px;
            top: @image-size + 10px;
            left: -10px;
            width: @width;
            background: @color;
            background: linear-gradient(to bottom, @color, darken(@color, 5%));
            padding: 0.5em 1.2em;
            color: white;
            // The triangle pointing up
            &:after {
                content: '';
                position: absolute;
                top: -6px;
                left: @width / 2 - 6px;
                width: 0;
                height: 0;
                border-left: 6px solid transparent;
                border-right: 6px solid transparent;
                border-bottom: 6px solid @color;
            }
        }
    }
}
