header > nav > ul > li > a,
header > nav > ul > li > form > button {
    position: relative;
    display: inline-block;
    color: var(--foreground-color);
    text-decoration: none;
}

header > nav > ul > li > a::after,
header > nav > ul > li > form > button::after {
    position: absolute;
    content: "";
    width: 0;
    bottom: 0;
    left: 50%;
    height: 0.025em;
    display: block;
    background: var(--foreground-color);
    transition: 150ms;
}

@media (hover: none) and (pointer: coarse) {
    header > nav > ul > li > a::after,
    header > nav > ul > li > form > button::after {
        display: none;
    }
}

header > nav > ul > li > a:hover::after,
header > nav > ul > li > form > button:hover::after {
    width: 100%;
    left: 0;
}

button {
    border: none;
    background-color: transparent;
    opacity: 1;
    transition: opacity var(--animation-time) ease-in-out;
    cursor: pointer;
    font-size: 1em;
}

button:disabled {
    opacity: 0.5;
}

.event-output > .remove,
.close,
header.opened > .header-toggle {
    background-color: var(--foreground-color);
    mask: url("../icons/error-cross-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/error-cross-svgrepo-com.svg") no-repeat center;
}

.dark-view-toggle {
    background-color: var(--foreground-color);
    mask: url("../icons/dark-mode-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/dark-mode-svgrepo-com.svg") no-repeat center;
}

.upload-btn {
    background-color: var(--foreground-color);
    mask: url("../icons/upload-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/upload-svgrepo-com.svg") no-repeat center;
}

.event-output {
    opacity: 0;
    transition: opacity var(--animation-time) ease-in-out;
    position: relative;
}

.event-output > .waiting, .in-progress {
    background-color: var(--foreground-color);
    mask: url("../icons/stopwatch-wait-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/stopwatch-wait-svgrepo-com.svg") no-repeat center;
}

.progress-bar {
    background-color: var(--foreground-color);
    mask: url("../icons/progress-0-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/progress-0-svgrepo-com.svg") no-repeat center;
    cursor: pointer;
}

.progress-bar-inner {
    position: absolute;
    cursor: pointer;
    pointer-events: none;
}

.progress-bar-inner-linear {
    background-color: var(--foreground-color);
    color: transparent;
    /* @formatter:off */
    width: calc(var(--progress-multiplier, 100) * var(--progress, 0) / 100 * 1%);
    /* @formatter:on */
    border-radius: 0.1em;
    height: 20%;
    top: 41%;
    left: 0.8em;
}

.progress-bar-inner-text {
    background-color: transparent;
    color: var(--foreground-color);
    font-size: 0.75em;
    height: 100%;
    top: 0;
    left: 0;
    width: 100%;
    font-weight: 700;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.is-done {
    background-color: var(--foreground-color);
    mask: url("../icons/round-done-button-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/round-done-button-svgrepo-com.svg") no-repeat center;
}

.event-output > .success {
    background-color: var(--success-foreground-color);
    mask: url("../icons/success-tick-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/success-tick-svgrepo-com.svg") no-repeat center;
}

.event-output > .error {
    background-color: var(--error-foreground-color);
    mask: url("../icons/error-cross-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/error-cross-svgrepo-com.svg") no-repeat center;
}

.parted {
    background-color: var(--foreground-color);
    mask: url("../icons/circular-cake-graphic-with-quarter-part-cutted-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/circular-cake-graphic-with-quarter-part-cutted-svgrepo-com.svg") no-repeat center;
}

.background-cover-toggle {
    background-color: var(--foreground-color);
    mask: url("../icons/background-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/background-svgrepo-com.svg") no-repeat center;
}

.event-output > .remove,
.close,
.event-output > .waiting,
.event-output > .success,
.event-output > .error,
.in-progress,
.is-done,
.upload-btn,
.dark-view-toggle,
.parted,
.progress-bar,
.header-toggle,
.background-cover-toggle {
    mask-size: cover !important;
    -webkit-mask-size: cover !important;
    height: 2em;
    width: 2em;
    background-repeat: no-repeat;
    background-size: cover;
    flex-shrink: 0;
}

details > summary > span {
    font-size: 1.2em;
    font-weight: 600;
}

.always-open-details {
    cursor: text;
}

a.btn,
button.btn {
    padding: 0.5em;
    background-color: var(--background-backdrop-color);
    box-shadow: 0 0 1em var(--drop-shadow-color);
    border-radius: 0.5em;
    text-decoration: none;
    color: var(--foreground-color);
}

select, input, textarea {
    border-radius: 0.5em;
    padding: 0.5em 0.5em;
    height: 2.2em;
    resize: none;
    font-size: 1em;
}

/*safari*/
input[type="datetime-local"] {
    -webkit-appearance: none;
    appearance: none;

    box-sizing: border-box;
    width: 100%;
    line-height: 1.4em;
}

/* Настройка встроенных индикаторов Safari */
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    display: block;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

input[type="text"],
input[type="password"],
textarea {
    cursor: text;
}

select,
input[type="range"] {
    cursor: pointer;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: transparent;
    cursor: pointer;
    font-size: 1em;
}

input[type="range"]:focus {
    outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
    width: 100%;
    height: 0.5em;
    background: radial-gradient(circle, var(--background-color) 50%, transparent 60%) no-repeat 0.625em center / 0.375em 0.375em,
    radial-gradient(circle, var(--background-color) 50%, transparent 60%) no-repeat 50.2% center / 0.375em 0.375em,
    radial-gradient(circle, var(--background-color) 50%, transparent 60%) no-repeat calc(100% - 0.625em) center / 0.375em 0.375em,
    var(--foreground-color);
    border-radius: 0.25em;
    transition: background var(--animation-time) ease;
}

input[type="range"]::-moz-range-track {
    width: 100%;
    height: 0.5em;
    background: radial-gradient(circle, var(--background-color) 50%, transparent 60%) no-repeat 0.625em center / 0.375em 0.375em,
    radial-gradient(circle, var(--background-color) 50%, transparent 60%) no-repeat 50.2% center / 0.375em 0.375em,
    radial-gradient(circle, var(--background-color) 50%, transparent 60%) no-repeat calc(100% - 0.625em) center / 0.375em 0.375em,
    var(--foreground-color);
    border-radius: 0.25em;
    transition: background var(--animation-time) ease;
}

input[type="range"]:hover::-webkit-slider-runnable-track {
    filter: brightness(1);
}

input[type="range"]:hover::-moz-range-track {
    filter: brightness(1);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    margin-top: -0.375em;
    height: 1.25em;
    width: 1.25em;
    border-radius: 50%;
    background: var(--foreground-color);
    border: 0.25em solid var(--background-color);
    box-shadow: 0 0 0.5em var(--drop-shadow-color);
    transition: transform var(--animation-time) ease-in-out;
}

input[type="range"]::-moz-range-thumb {
    height: 1.25em;
    width: 1.25em;
    border-radius: 50%;
    background: var(--foreground-color);
    border: 0.25em solid var(--background-color);
    box-shadow: 0 0 0.5em var(--drop-shadow-color);
    transition: transform var(--animation-time) ease-in-out;
}

input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.1);
}

input[type="range"]:active::-moz-range-thumb {
    transform: scale(1.1);
}

header:not(.opened) > .header-toggle {
    background-color: var(--foreground-color);
    mask: url("../icons/menu-01-svgrepo-com.svg") no-repeat center;
    -webkit-mask: url("../icons/menu-01-svgrepo-com.svg") no-repeat center;
}