yomichan/ext/mixed/css/material.css

/*
 * Copyright (C) 2020-2021  Yomichan Authors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

/* Variables */
:root {
    --font-size-no-units: 14;
    --font-size: calc(1px * var(--font-size-no-units));

    --animation-duration: 0.125s;
    --animation-duration2: calc(var(--animation-duration) * 2);

    --checkbox-size: calc(16em / var(--font-size-no-units));
    --icon-button-size: calc(36em / var(--font-size-no-units));
    --radio-size: calc(20em / var(--font-size-no-units));
    --toggle-size: calc(16em / var(--font-size-no-units));

    --input-font-size-no-units: 1;
    --input-font-size: calc(1em * var(--input-font-size-no-units));
    --input-width: calc(100em / (var(--font-size-no-units) * var(--input-font-size-no-units)));
    --input-width-large: calc(200em / (var(--font-size-no-units) * var(--input-font-size-no-units)));
    --input-height: calc(32em / (var(--font-size-no-units) * var(--input-font-size-no-units)));
    --input-border-radius: 0.25em;
    --textarea-line-height: 1.25em;
    --textarea-padding: 0.5em;

    --material-arrow-dimension1: calc(5em / var(--font-size-no-units));
    --material-arrow-dimension2: calc(10em / var(--font-size-no-units));

    --button-shadow-params: 0 0.0625em 0.125em 0;

    --thin-border-size: calc(1em / var(--font-size-no-units));

    --text-color: #222222;
    --background-color: #f8f9fa;
    --background-color-light: #ffffff;

    --shadow-color: rgba(0, 0, 0, 0.185);
    --shadow-color-off: rgba(0, 0, 0, 0);
    --shadow-color-light: rgba(0, 0, 0, 0.085);

    --accent-color: #1a73e8;
    --accent-color-light: #4a91ed;
    --accent-color-lighter: #8db9f4;
    --accent-color-lightest: #a7c9f6;
    --accent-color-dark: #1060c0;
    --accent-color-transparent0: rgba(28, 116, 233, 0);
    --accent-color-transparent5: rgba(28, 116, 233, 0.05);
    --accent-color-transparent25: rgba(28, 116, 233, 0.25);

    --danger-color: #c83c28;
    --danger-color-light: #dd6755;
    --danger-color-lighter: #e68d7f;
    --danger-color-lightest: #eeb3aa;
    --danger-color-transparent0: rgba(200, 60, 40, 0);
    --danger-color-transparent5: rgba(200, 60, 40, 0.05);
    --danger-color-transparent25: rgba(200, 60, 40, 0.25);

    --disabled-color: #aaaaaa;
    --disabled-color-light: #dddddd;
    --disabled-color-lighter: #eeeeee;

    --input-background-color: #f2f2f2;
    --input-background-color-dark: #dddddd;
    --input-background-color-darker: #cccccc;
    --input-outline-color: var(--text-color);

    --button-text-color: #ffffff;
    --button-border-color: #cccccc;
    --button-icon-color: #333333;
    --button-icon-color-light: #666666;

    --checkbox-checked-color: var(--accent-color);
    --checkbox-unchecked-color: #666666;
    --checkbox-check-color: var(--background-color-light);
    --checkbox-disabled-color: var(--disabled-color);

    --toggle-track-color: #cccccc;
    --toggle-knob-color: var(--background-color-light);

    --selectable-indicator-color: rgba(160, 160, 160, 0.25);
}
:root[data-theme=dark] {
    --text-color: #d4d4d4;
    --background-color: #1e1e1e;
    --background-color-light: #0a0a0a;

    --shadow-color: rgba(255, 255, 255, 0.185);
    --shadow-color-off: rgba(255, 255, 255, 0);
    --shadow-color-light: rgba(255, 255, 255, 0.085);

    --accent-color: #4a91ed;
    --accent-color-light: #1a73e8;
    --accent-color-lighter: #135dbe;
    --accent-color-lightest: #0e4690;
    --accent-color-transparent0: rgb(78, 172, 253, 0);
    --accent-color-transparent5: rgb(78, 172, 253, 0.05);
    --accent-color-transparent25: rgb(78, 172, 253, 0.25);

    --danger-color: #dd6755;
    --danger-color-light: #c83c28;
    --danger-color-lighter: #9e301f;
    --danger-color-lightest: #732317;
    --danger-color-transparent0: rgba(221, 103, 85, 0);
    --danger-color-transparent5: rgba(221, 103, 85, 0.05);
    --danger-color-transparent25: rgba(221, 103, 85, 0.25);

    --disabled-color: #444444;
    --disabled-color-light: #585858;
    --disabled-color-lighter: #777777;

    --input-background-color: #2f2f2f;
    --input-background-color-dark: #383838;
    --input-background-color-darker: #484848;
    --input-outline-color: var(--text-color);

    --button-text-color: #000000;
    --button-border-color: #333333;
    --button-icon-color: #cccccc;
    --button-icon-color-light: #999999;

    --checkbox-unchecked-color: #999999;

    --toggle-track-color: #cccccc;
    --toggle-knob-color: #ffffff;

    --selectable-indicator-color: rgba(100, 100, 100, 0.25);
}


/* Icons */
.icon {
    --icon-image: none;
    --icon-size: contain;

    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center center;
    -webkit-mask-mode: alpha;
    -webkit-mask-size: var(--icon-size);
    -webkit-mask-image: var(--icon-image);
    mask-repeat: no-repeat;
    mask-position: center center;
    mask-mode: alpha;
    mask-size: var(--icon-size);
    mask-image: var(--icon-image);
}
.icon[data-icon=profile]                 { --icon-image: url(/mixed/img/profile.svg); }
.icon[data-icon=cog]                     { --icon-image: url(/mixed/img/cog.svg); }
.icon[data-icon=palette]                 { --icon-image: url(/mixed/img/palette.svg); }
.icon[data-icon=popup]                   { --icon-image: url(/mixed/img/popup.svg); }
.icon[data-icon=speaker]                 { --icon-image: url(/mixed/img/speaker.svg); }
.icon[data-icon=scanning]                { --icon-image: url(/mixed/img/scanning.svg); }
.icon[data-icon=text-parsing]            { --icon-image: url(/mixed/img/text-parsing.svg); }
.icon[data-icon=translation]             { --icon-image: url(/mixed/img/translation.svg); }
.icon[data-icon=book]                    { --icon-image: url(/mixed/img/book.svg); }
.icon[data-icon=note-card]               { --icon-image: url(/mixed/img/note-card.svg); }
.icon[data-icon=keyboard]                { --icon-image: url(/mixed/img/keyboard.svg); }
.icon[data-icon=backup]                  { --icon-image: url(/mixed/img/backup.svg); }
.icon[data-icon=lock]                    { --icon-image: url(/mixed/img/lock.svg); }
.icon[data-icon=question-mark]           { --icon-image: url(/mixed/img/question-mark.svg); }
.icon[data-icon=popup-size]              { --icon-image: url(/mixed/img/popup-size.svg); }
.icon[data-icon=hamburger-menu]          { --icon-image: url(/mixed/img/hamburger-menu.svg); }
.icon[data-icon=kebab-menu]              { --icon-image: url(/mixed/img/kebab-menu.svg); }
.icon[data-icon=mouse]                   { --icon-image: url(/mixed/img/mouse.svg); }
.icon[data-icon=exclamation-point-short] { --icon-image: url(/mixed/img/exclamation-point-short.svg); }
.icon[data-icon=magnifying-glass]        { --icon-image: url(/mixed/img/magnifying-glass.svg); }
.icon[data-icon=collapse]                { --icon-image: url(/mixed/img/collapse.svg); }
.icon[data-icon=expand]                  { --icon-image: url(/mixed/img/expand.svg); }
.icon[data-icon=window]                  { --icon-image: url(/mixed/img/window.svg); }
.icon[data-icon=cross]                   { --icon-image: url(/mixed/img/cross.svg); }
.icon[data-icon=sentence-parsing]        { --icon-image: url(/mixed/img/sentence-parsing.svg); }
.icon[data-icon=material-down-arrow] {
    --icon-image: url(/mixed/img/material-down-arrow.svg);
    --icon-size: var(--material-arrow-dimension2) var(--material-arrow-dimension1);
}
.icon[data-icon=material-right-arrow] {
    --icon-image: url(/mixed/img/material-right-arrow.svg);
    --icon-size: var(--material-arrow-dimension1) var(--material-arrow-dimension2);
}


/* Checkbox */
label.checkbox {
    cursor: default;
}
.checkbox {
    font-size: var(--checkbox-size);
    display: inline-block;
}
.checkbox>input[type=checkbox] {
    opacity: 0;
    width: 0;
    height: 0;
    display: block;
    margin: 0;
    padding: 0;
    border: none;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}
.checkbox-body {
    display: block;
    cursor: pointer;
    width: 1em;
    height: 1em;
    position: relative;
}
.checkbox>input[type=checkbox]:disabled+.checkbox-body {
    cursor: default;
}
.checkbox-fill,
.checkbox-border,
.checkbox-check {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    mask-repeat: no-repeat;
    mask-position: center center;
    mask-mode: alpha;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center center;
    -webkit-mask-mode: alpha;
    -webkit-mask-size: contain;
    transition: opacity var(--animation-duration) linear, background-color var(--animation-duration) linear;
}
.checkbox-fill {
    mask-image: url(/mixed/img/checkbox-fill.svg);
    -webkit-mask-image: url(/mixed/img/checkbox-fill.svg);
    background-color: var(--checkbox-unchecked-color);
    opacity: 0;
}
.checkbox-border {
    mask-image: url(/mixed/img/checkbox-border.svg);
    -webkit-mask-image: url(/mixed/img/checkbox-border.svg);
    background-color: var(--checkbox-unchecked-color);
    opacity: 1;
}
.checkbox-check {
    mask-image: url(/mixed/img/checkbox-check.svg);
    -webkit-mask-image: url(/mixed/img/checkbox-check.svg);
    background-color: var(--checkbox-check-color);
    opacity: 0;
}
.checkbox>input[type=checkbox]:checked+.checkbox-body>.checkbox-fill {
    background-color: var(--checkbox-checked-color);
    opacity: 1;
}
.checkbox>input[type=checkbox]:checked+.checkbox-body>.checkbox-border {
    background-color: var(--checkbox-checked-color);
    opacity: 1;
}
.checkbox>input[type=checkbox]:checked+.checkbox-body>.checkbox-check {
    background-color: var(--checkbox-check-color);
    opacity: 1;
}
.checkbox>input[type=checkbox]:disabled+.checkbox-body>.checkbox-fill {
    opacity: 0;
}
.checkbox>input[type=checkbox]:disabled+.checkbox-body>.checkbox-border {
    background-color: var(--checkbox-disabled-color);
    opacity: 1;
}
.checkbox>input[type=checkbox]:disabled+.checkbox-body>.checkbox-check {
    background-color: var(--checkbox-disabled-color);
}


/* Toggle switch */
label.toggle {
    cursor: default;
}
.toggle {
    font-size: var(--toggle-size);
    display: inline-block;
}
.toggle>input[type=checkbox] {
    opacity: 0;
    width: 0;
    height: 0;
    display: block;
    margin: 0;
    padding: 0;
    border: none;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}
.toggle-body {
    display: block;
    cursor: pointer;
    width: 2em;
    height: 1em;
    position: relative;
}
.toggle-track {
    display: block;
    position: absolute;
    left: 0.125em;
    right: 0.125em;
    top: 0.125em;
    bottom: 0.125em;
    background-color: var(--toggle-track-color);
    border-radius: 0.4375em;
    transition: background-color var(--animation-duration) ease-in-out;
}
.toggle-knob {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 1em;
    height: 1em;
    background-color: var(--toggle-knob-color);
    border-radius: 0.5em;
    box-shadow:
        0 0.0625em 0.25em 0 var(--shadow-color),
        0 0.125em 0.125em 0 var(--shadow-color);
    transition:
        transform var(--animation-duration) ease-in-out,
        background-color var(--animation-duration) ease-in-out;
}
.toggle-body>.toggle-knob::after {
    position: absolute;
    display: block;
    content: '';
    left: -0.75em;
    top: -0.75em;
    right: -0.75em;
    bottom: -0.75em;
    border-radius: 2.5em;
    background-color: var(--selectable-indicator-color);
    pointer-events: none;
    transform: scale(0);
    opacity: 0;
    visibility: hidden;
    transition:
        transform 0s ease-in-out var(--animation-duration2),
        background-color var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility 0s ease-in-out var(--animation-duration2);
}
.toggle>input[type=checkbox]:focus:not(:disabled)+.toggle-body>.toggle-knob::after,
.toggle:active>input[type=checkbox]:not(:disabled)+.toggle-body>.toggle-knob::after {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
    transition:
        transform var(--animation-duration2) ease-in-out,
        background-color var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility var(--animation-duration2) ease-in-out;
}
.toggle>input[type=checkbox]:focus+.toggle-body>.toggle-knob::after {
    opacity: 0.5;
}
.toggle:active>input[type=checkbox]:focus+.toggle-body>.toggle-knob::after {
    opacity: 1;
}
.toggle>input[type=checkbox]:checked+.toggle-body>.toggle-knob {
    transform: translateX(1em);
}
.toggle>input[type=checkbox]:checked:not(:disabled)+.toggle-body>.toggle-track {
    background-color: var(--accent-color-lighter);
}
.toggle>input[type=checkbox]:checked:not(:disabled)+.toggle-body>.toggle-knob {
    background-color: var(--accent-color);
}
.toggle>input[type=checkbox]:focus:checked:not(:disabled)+.toggle-body>.toggle-knob::after,
.toggle:active>input[type=checkbox]:checked:not(:disabled)+.toggle-body>.toggle-knob::after {
    background-color: var(--accent-color-transparent25);
}
.toggle>input[type=checkbox]:disabled+.toggle-body {
    cursor: default;
}
.toggle>input[type=checkbox]:disabled+.toggle-body>.toggle-track {
    background-color: var(--disabled-color-light);
}
.toggle>input[type=checkbox]:disabled+.toggle-body>.toggle-knob {
    background-color: var(--disabled-color-lighter);
}


/* Radio button */
label.radio {
    cursor: default;
}
.radio {
    display: inline-block;
    vertical-align: middle;
}
.radio>input[type=radio] {
    opacity: 0;
    width: 0;
    height: 0;
    display: block;
    margin: 0;
    padding: 0;
    border: none;
    cursor: default;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}
.radio>input[type=radio]:not(:disabled)+.radio-body {
    cursor: pointer;
}
.radio-body {
    display: block;
    position: relative;
    width: var(--radio-size);
    height: var(--radio-size);
}
.radio-border,
.radio-dot {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-color: var(--accent-color);
    mask-repeat: no-repeat;
    mask-position: center center;
    mask-mode: alpha;
    mask-size: var(--radio-size) var(--radio-size);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center center;
    -webkit-mask-mode: alpha;
    -webkit-mask-size: var(--radio-size) var(--radio-size);
}
.radio-border {
    mask-image: url(/mixed/img/radio-button.svg);
    -webkit-mask-image: url(/mixed/img/radio-button.svg);
}
.radio-dot {
    mask-image: url(/mixed/img/radio-button-dot.svg);
    -webkit-mask-image: url(/mixed/img/radio-button-dot.svg);
    opacity: 1;
    transform: none;
    transition:
        transform var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility var(--animation-duration2) ease-in-out;
}
.radio>input[type=radio]:disabled+.radio-body>.radio-border,
.radio>input[type=radio]:disabled+.radio-body>.radio-dot {
    background-color: var(--disabled-color);
}
.radio>input[type=radio]:not(:checked)+.radio-body>.radio-dot {
    opacity: 0;
    transform: scale(0);
    transition:
        transform 0s ease-in-out var(--animation-duration2),
        opacity var(--animation-duration2) ease-in-out,
        visibility 0s ease-in-out var(--animation-duration2);
}
.radio-body::after {
    position: absolute;
    display: block;
    content: '';
    left: -0.75em;
    top: -0.75em;
    right: -0.75em;
    bottom: -0.75em;
    border-radius: 2.5em;
    background-color: var(--selectable-indicator-color);
    pointer-events: none;
    transform: scale(0);
    opacity: 0;
    visibility: hidden;
    transition:
        transform 0s ease-in-out var(--animation-duration2),
        background-color var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility 0s ease-in-out var(--animation-duration2);
}
.radio>input[type=radio]:focus:not(:disabled)+.radio-body::after,
.radio:active>input[type=radio]:not(:disabled)+.radio-body::after {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
    transition:
        transform var(--animation-duration2) ease-in-out,
        background-color var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility var(--animation-duration2) ease-in-out;
}
.radio>input[type=radio]:focus+.radio-body::after {
    opacity: 0.5;
}
.radio:active>input[type=radio]:focus+.radio-body::after {
    opacity: 1;
}
.radio-label {
    cursor: pointer;
    white-space: nowrap;
}
.radio-label>.radio {
    vertical-align: middle;
}
.radio-label>.radio-label-text {
    display: inline-block;
    margin-left: 0.5em;
    vertical-align: middle;
    white-space: normal;
}


/* Material design select */
select {
    width: var(--input-width-large);
    height: var(--input-height);
    line-height: var(--input-height);
    border: 0;
    border-radius: var(--input-border-radius);
    box-sizing: border-box;
    padding: 0 0.5em;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    background-image: url(/mixed/img/material-down-arrow.svg);
    background-repeat: no-repeat;
    background-position: right calc(10em / var(--font-size-no-units)) center;
    background-color: var(--input-background-color);
    background-size: var(--material-arrow-dimension2) var(--material-arrow-dimension1);
    cursor: pointer;
    color: var(--text-color);
    font-size: var(--input-font-size);
}
select::-ms-expand {
    display: none;
}


/* Material design inputs */
input[type=text],
input[type=number] {
    width: var(--input-width);
    height: var(--input-height);
    line-height: var(--input-height);
    color: var(--text-color);
    font-size: var(--input-font-size);
    background-color: var(--input-background-color);
    border: none;
    border-radius: var(--input-border-radius);
    box-sizing: border-box;
    padding: 0 0.5em;
    appearance: textfield;
    -moz-appearance: textfield;
    -webkit-appearance: textfield;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    margin: 0;
}
input[type=text] {
    width: var(--input-width-large);
}
textarea {
    box-sizing: border-box;
    padding: var(--textarea-padding);
    font-family: 'Courier New', Courier, monospace;
    color: var(--text-color);
    font-size: var(--input-font-size);
    background-color: var(--input-background-color);
    border-radius: var(--input-border-radius);
    line-height: var(--textarea-line-height);
    border: var(--thin-border-size) solid var(--input-background-color);
}
select:invalid,
textarea:invalid,
input[type=text]:invalid,
input[type=number]:invalid,
select[data-invalid=true],
textarea[data-invalid=true],
input[type=text][data-invalid=true],
input[type=number][data-invalid=true] {
    border: var(--thin-border-size) solid var(--danger-color);
}
select,
textarea,
input[type=text],
input[type=number] {
    box-shadow: none;
    transition: box-shadow calc(var(--animation-duration) / 2) linear;
}
select:focus,
textarea:focus,
input[type=text]:focus,
input[type=number]:focus {
    box-shadow: 0 0 0 calc(2em / var(--font-size-no-units)) var(--input-outline-color);
    outline: none;
}
select:invalid:focus,
textarea:invalid:focus,
input[type=text]:invalid:focus,
input[type=number]:invalid:focus,
select[data-invalid=true]:focus,
textarea[data-invalid=true]:focus,
input[type=text][data-invalid=true]:focus,
input[type=number][data-invalid=true]:focus {
    box-shadow: 0 0 0 calc(2em / var(--font-size-no-units)) var(--danger-color);
    outline: none;
}
input[type=text].input-with-suffix-button,
input[type=number].input-with-suffix-button {
    flex: 1 1 auto;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right-style: none;
    z-index: 1;
}
input[type=text].code,
input[type=number].code {
    font-family: 'Courier New', Courier, monospace;
}


/* Material design button */
button {
    border: var(--thin-border-size) solid transparent;
    border-radius: 0.3em;
    padding: 0.5em 1em;
    font-weight: bold;
    font-size: inherit;
    font-family: inherit;
    cursor: pointer;
    background-color: transparent;
    box-shadow: var(--button-shadow-params) var(--shadow-color-off);
    transition: background-color var(--animation-duration) ease-in, box-shadow var(--animation-duration) ease-in, border-color var(--animation-duration) ease-in;
    -webkit-tap-highlight-color: transparent;
}
button:focus {
    outline: none;
}
button:hover {
    transition: background-color var(--animation-duration) ease-out, box-shadow var(--animation-duration) ease-out, border-color var(--animation-duration) ease-out;
}
button:hover:not(:disabled) {
    box-shadow: var(--button-shadow-params) var(--shadow-color-light);
}
button:active:not(:disabled) {
    box-shadow: var(--button-shadow-params) var(--shadow-color);
}

/* Standard button */
button:not(:disabled) {
    color: var(--button-text-color);
    border-color: var(--accent-color);
    background-color: var(--accent-color);
}
button:hover:not(:disabled) {
    background-color: var(--accent-color-light);
    border-color: var(--accent-color-light);
}
button:focus:not(:disabled) {
    background-color: var(--accent-color-light);
}
button:active:not(:disabled) {
    border-color: var(--accent-color-lighter);
    background-color: var(--accent-color-lighter);
}

/* Standard danger button */
button.danger:not(:disabled) {
    color: var(--button-text-color);
    border-color: var(--danger-color);
    background-color: var(--danger-color);
}
button.danger:hover:not(:disabled) {
    background-color: var(--danger-color-light);
    border-color: var(--danger-color-light);
}
button.danger:focus:not(:disabled) {
    background-color: var(--danger-color-light);
}
button.danger:active:not(:disabled) {
    border-color: var(--danger-color-lighter);
    background-color: var(--danger-color-lighter);
}

/* Low emphasis button */
button.low-emphasis:not(:disabled) {
    color: var(--accent-color);
    border-color: var(--button-border-color);
    background-color: var(--accent-color-transparent0);
}
button.low-emphasis:hover:not(:disabled) {
    background-color: var(--accent-color-transparent5);
    border-color: var(--accent-color-light);
}
button.low-emphasis:focus:not(:disabled) {
    border-color: var(--accent-color);
}
button.low-emphasis:active:not(:disabled) {
    border-color: var(--accent-color);
    background-color: var(--accent-color-transparent25);
}

/* Low emphasis danger button */
button.low-emphasis.danger:not(:disabled) {
    color: var(--danger-color);
    border-color: var(--button-border-color);
    background-color: var(--danger-color-transparent0);
}
button.low-emphasis.danger:hover:not(:disabled) {
    border-color: var(--danger-color-light);
    background-color: var(--danger-color-transparent5);
}
button.low-emphasis.danger:focus:not(:disabled) {
    border-color: var(--danger-color);
}
button.low-emphasis.danger:active:not(:disabled) {
    border-color: var(--danger-color);
    background-color: var(--danger-color-transparent25);
}

/* Disabled buttons */
button:disabled {
    color: var(--button-text-color);
    border-color: var(--disabled-color);
    background-color: var(--disabled-color);
    cursor: default;
}
button.low-emphasis:disabled {
    color: var(--disabled-color);
    border-color: var(--disabled-color);
    background-color: transparent;
}

/* Input suffix button */
button.input-suffix-button {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border: none;
    height: var(--input-height);
    line-height: var(--input-height);
    background-color: var(--input-background-color);
    box-sizing: border-box;
    padding: 0 0.5em;
    border-color: transparent;
}
button.input-suffix-button.input-suffix-icon-button {
    width: 2.125em;
    position: relative;
}
button.input-suffix-button.input-suffix-icon-button:hover,
button.input-suffix-button.input-suffix-icon-button:focus {
    background-color: var(--input-background-color-dark);
}
button.input-suffix-button.input-suffix-icon-button:active {
    background-color: var(--input-background-color-darker);
}
button.input-suffix-button.input-suffix-icon-button>.icon {
    display: block;
    width: 100%;
    height: 100%;
    background-color: var(--button-icon-color);
}
input[type=text]:invalid+button.input-suffix-button,
input[type=number]:invalid+button.input-suffix-button,
input[type=text][data-invalid=true]+button.input-suffix-button,
input[type=number][data-invalid=true]+button.input-suffix-button {
    border: var(--thin-border-size) solid var(--danger-color);
    border-left-style: none;
}


/* Material design icon button */
button.icon-button {
    display: inline-block;
    vertical-align: middle;
    border: none;
    margin: 0;
    padding: 0;
    box-sizing: content-box;
    font-size: inherit;
    cursor: pointer;
    background-color: transparent;
}
button.icon-button>.icon-button-inner {
    display: block;
    width: var(--icon-button-size);
    height: var(--icon-button-size);
    position: relative;
}
button.icon-button:focus {
    outline: none;
}
button.icon-button,
button.icon-button:hover,
button.icon-button:focus,
button.icon-button:active {
    background-color: transparent;
    box-shadow: none;
}
.icon-button>.icon-button-inner::after {
    position: absolute;
    display: block;
    content: '';
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background-color: var(--selectable-indicator-color);
    pointer-events: none;
    transform: scale(0);
    opacity: 0;
    visibility: hidden;
    transition:
        transform 0s ease-in-out var(--animation-duration2),
        background-color var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility 0s ease-in-out var(--animation-duration2);
}
.icon-button:focus>.icon-button-inner::after {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
    transition:
        transform var(--animation-duration2) ease-in-out,
        background-color var(--animation-duration2) ease-in-out,
        opacity var(--animation-duration2) ease-in-out,
        visibility var(--animation-duration2) ease-in-out;
}
.icon-button>.icon-button-inner>.icon {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-color: var(--button-icon-color);
    --icon-size: calc(16em / var(--font-size-no-units)) calc(16em / var(--font-size-no-units));
}
.icon-button>.icon-button-inner>.icon.icon-button-icon-light {
    background-color: var(--button-icon-color-light);
}
.icon-button>.icon-button-inner>.icon[data-icon=material-right-arrow] { --icon-size: var(--material-arrow-dimension1) var(--material-arrow-dimension2); }
.icon-button>.icon-button-inner>.icon[data-icon=material-down-arrow] { --icon-size: var(--material-arrow-dimension2) var(--material-arrow-dimension1); }

.input-height-icon-button-container {
    height: var(--input-height);
    box-sizing: border-box;
}
.input-height-icon-button-container>.icon-button {
    position: relative;
    top: calc((var(--input-height) - var(--icon-button-size)) * 0.5);
}