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Edit File: _pickr.scss

// Constants
$box-shadow-app: 0px 20px 60px rgba(0, 0, 0, 0.2), 0px 5px 30px rgba(0, 0, 0, 0.4);
$color-input-fields: #f8f8f8;

// Colors
$color-blue-hover: #4370f4;

$color-red-active: #f44250;
$color-red-hover: #db3d49;

$color-gray-light: #c4c4c4;
$color-gray-default: #808080;

$color-rainbow: linear-gradient(to bottom,
    hsl(0, 100%, 50%),
    hsl(60, 100%, 50%),
    hsl(120, 100%, 50%),
    hsl(180, 100%, 50%),
    hsl(240, 100%, 50%),
    hsl(300, 100%, 50%),
    hsl(360, 100%, 50%));

// Box shadows
$box-shadow-small: 0 1px 2px 0 rgba(0, 0, 0, 0.2);

// Border radius

// Inline SVG muster
$icon-transparency: url('data:image/svg+xml;utf8, <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 2"><path fill="white" d="M1,0H2V1H1V0ZM0,1H1V2H0V1Z"/><path fill="gray" d="M0,0H1V1H0V0ZM1,1H2V2H1V1Z"/></svg>');
$icon-x: url('data:image/svg+xml;utf8, <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 50" stroke="%2342445A" stroke-width="5px" stroke-linecap="round"><path d="M45,45L5,5"></path><path d="M45,5L5,45"></path></svg>');

@mixin pseudo-reset {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
}

@mixin transparency-background {
    &::before {
        @include pseudo-reset;
        width: 100%;
        height: 100%;
        background: $icon-transparency;
        background-size: 0.5em;
        border-radius: $border-radius;
        z-index: -1;
    }
}

.pickr {
    position: relative;
    overflow: visible;
}

.pickr .pcr-button {
    position: relative;
    height: 18px;
    width: 18px;
    border-radius: 9px;
    cursor: pointer;
    background: transparent;
    transition: background-color 0.3s;
    @include transparency-background;

&::after {
        @include pseudo-reset;
        height: 100%;
        width: 100%;
        background: $icon-x no-repeat center;
        background-size: 70%;
        opacity: 0;
    }

&.clear::after {
        opacity: 1;
    }

&.disabled {
        cursor: not-allowed;
    }
}

.pcr-app {
    z-index: 999;
    position: absolute;
    display: flex;
    flex-direction: column;
    box-shadow: $box-shadow-app;
    top: 5px;
    height: 15em;
    width: 220px;
    max-width: 220px;
    padding: 15px;
    border-radius: $border-radius;
    background: #fff;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;

&.visible {
        visibility: visible;
        opacity: 1;
    }
}

.pcr-app .pcr-interaction {
    display: flex;
    align-items: center;

> * {
    }

input {
        padding: 10px;
        border: none;
        outline: none;
        font-size: $body-font-size-m;
        text-align: center;
        cursor: pointer;
        color: $color-gray-light;
        background: $color-input-fields;
        border-radius: $border-radius;

&:hover {
            color: $color-gray-default;
        }
    }

.pcr-result {
        color: $color-gray-default;
        text-align: left;
        flex-grow: 1;
        min-width: 1em;
        transition: all 0.2s;
        border-radius: $border-radius;
        background: $color-input-fields;
        cursor: text;
        padding-left: 0.8em;

&:focus {
            color: $brand-primary;
        }

&::selection {
            background: $brand-primary;
            color: #fff;
        }
    }

.pcr-type.active {
        color: #fff;
        background: $brand-primary;
    }

.pcr-clear,
    .pcr-save {
        color: #fff;
        width: 100%;
    }

.pcr-save {
        background: $brand-primary;
        display: none;

&:hover {
            background: $color-blue-hover;
            color: #fff;
        }
    }

.pcr-clear {
        background: $color-red-active;

&:hover {
            background: $color-red-hover;
            color: #fff;
        }
    }
}

.pcr-app .pcr-selection {
    display: flex;
    justify-content: space-between;
    flex-grow: 1;

.pcr-picker {
        position: absolute;
        height: 18px;
        width: 18px;
        border: 2px solid #fff;
        border-radius: 100%;
        user-select: none;
        cursor: -moz-grab;
        cursor: -webkit-grabbing;
    }

.pcr-color-preview {
        position: relative;
        z-index: 1;
        width: 2em;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        @include transparency-background;

.pcr-last-color {
            cursor: pointer;
            transition: background-color 0.3s;
            border-radius: $border-radius $border-radius 0 0;
        }

.pcr-current-color {
            border-radius: 0 0 $border-radius $border-radius;
        }

.pcr-last-color,
        .pcr-current-color {
            background: transparent;
            width: 100%;
            height: 50%;
        }
    }

.pcr-color-palette,
    .pcr-color-chooser,
    .pcr-color-opacity {
        position: relative;
        user-select: none;
    }

.pcr-color-palette {
        flex-grow: 0.9;
        z-index: 1;

.pcr-palette {
            height: 100%;
            border-radius: $border-radius;
            @include transparency-background;
        }
    }

.pcr-color-chooser,
    .pcr-color-opacity {

.pcr-picker {
            left: 50%;
            transform: translateX(-50%);
        }

.pcr-slider {
            width: 12px;
            height: 100%;
            border-radius: $border-radius;
        }
    }

.pcr-color-chooser .pcr-slider {
        background: $color-rainbow;
    }

.pcr-color-opacity .pcr-slider {
        background: linear-gradient(to bottom, transparent, black), $icon-transparency;
        background-size: 100%, 50%;
    }
}

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