/* === range theme and appearance === */
input[type="range"] {
    font-size: 1.5rem;
}

input[type="range"] {
    color: #D4AF37;
    --thumb-height: 0.9em;
    --track-height: 0.125em;
    --track-color: #DEDEDE;
    --brightness-hover: 105%;
    --brightness-down: 95%;
    --clip-edges: 0.125em;
}

[type=range]::-moz-range-progress {
    height: 0.25em;
    background: #151B23;
}
[type=range]::-ms-fill-lower {
    height: 0.25em;
    background: #151B23;
}

[type=range]::-webkit-slider-runnable-track {
    -webkit-appearance: none;
    background: linear-gradient(#151B23, #151B23) no-repeat #ccc;
    color: #D4AF37;
}

input[type="range"].win10-thumb {
    color: #151B23;
    --thumb-height: 0.5em;
    --thumb-width: 0.15em;
    --clip-edges: 0.0125em;
}

/* === range commons === */
input[type="range"] {
    position: relative;
    background: #fff0;
    overflow: hidden;
}

input[type="range"]:active:not(.cursor-no-drop) {
    cursor: grabbing;
}

/* === WebKit specific styles === */
input[type="range"],
input[type="range"]::-webkit-slider-runnable-track,
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    transition: all ease 100ms;
    height: var(--thumb-height);
}

input[type="range"]::-webkit-slider-runnable-track,
input[type="range"]::-webkit-slider-thumb {
    position: relative;
}

input[type="range"]::-webkit-slider-thumb {
    --thumb-radius: calc((var(--thumb-height) * 0.5) - 1px);
    --clip-top: calc((var(--thumb-height) - var(--track-height)) * 0.5 - 0.5px);
    --clip-bottom: calc(var(--thumb-height) - var(--clip-top));
    --clip-further: calc(100% + 1px);
    --box-fill: calc(-100vmax - var(--thumb-width, var(--thumb-height))) 0 0
    100vmax currentColor;

    width: var(--thumb-width, var(--thumb-height));
    background: #D4AF37 no-repeat scroll left center;
    box-shadow: var(--box-fill);
    border-radius: var(--thumb-width, var(--thumb-height));
    color: #151B23;
    /*filter: brightness(100%);*/
    clip-path: polygon(
            100% -1px,
            var(--clip-edges) -1px,
            0 var(--clip-top),
            -100vmax var(--clip-top),
            -100vmax var(--clip-bottom),
            0 var(--clip-bottom),
            var(--clip-edges) 100%,
            var(--clip-further) var(--clip-further)
    );
}

input[type="range"]:hover:not(.cursor-no-drop)::-webkit-slider-thumb {
    filter: brightness(var(--brightness-hover));
    cursor: grab;
}

input[type="range"]:active:not(.cursor-no-drop)::-webkit-slider-thumb {
    filter: brightness(var(--brightness-down));
    cursor: grabbing;
}

input[type="range"]::-webkit-slider-runnable-track {
    background: linear-gradient(var(--track-color) 0 0) scroll no-repeat center /
		100% calc(var(--track-height) + 1px);
}

/* === Firefox specific styles === */
input[type="range"],
input[type="range"]::-moz-range-track,
input[type="range"]::-moz-range-thumb {
    appearance: none;
    transition: all ease 100ms;
    height: var(--thumb-height);
}

input[type="range"]::-moz-range-track,
input[type="range"]::-moz-range-thumb,
input[type="range"]::-moz-range-progress {
    background: #fff0;
}

input[type="range"]::-moz-range-thumb {
    background: currentColor;
    border: 0;
    width: var(--thumb-width, var(--thumb-height));
    border-radius: var(--thumb-width, var(--thumb-height));
    cursor: grab;
}

input[type="range"]:active::-moz-range-thumb {
    cursor: grabbing;
}

input[type="range"]::-moz-range-track {
    width: 100%;
    background: var(--track-color);
}

input[type="range"]::-moz-range-progress {
    appearance: none;
    background: #151B23;
    transition-delay: 30ms;
}

input[type="range"]::-moz-range-track,
input[type="range"]::-moz-range-progress {
    height: calc(var(--track-height) + 1px);
    border-radius: var(--track-height);
}

input[type="range"]::-moz-range-thumb,
input[type="range"]::-moz-range-progress {
    filter: brightness(100%);
}

input[type="range"]:hover::-moz-range-thumb,
input[type="range"]:hover::-moz-range-progress {
    filter: brightness(var(--brightness-hover));
}

input[type="range"]:active::-moz-range-thumb,
input[type="range"]:active::-moz-range-progress {
    filter: brightness(var(--brightness-down));
}