/*
 * Copyright (C) 2020-2022  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/>.
 */

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

    --line-height-no-units: 20;
    --line-height: calc(var(--line-height-no-units) / var(--font-size-no-units));

    --animation-duration: 0s;
}
:root[data-loaded=true] {
    --animation-duration: 0.25s;
}

html {
    transition: background-color var(--animation-duration) linear 0s, color var(--animation-duration) linear 0s;
    background-color: rgba(255, 255, 255, 0);
    color: #333333;
}
html.dark {
    color: #d4d4d4;
    background-color: #1e1e1e;
}
html,
body {
    margin: 0;
    padding: 0;
    border: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: var(--font-size);
    line-height: var(--line-height);
}

.content {
    display: flex;
    min-width: 100%;
    min-height: 100%;
    box-sizing: border-box;
    padding: 1em;
    flex-flow: column nowrap;
    align-items: center;
    justify-content: center;
}
.content-body {
    max-width: 100%;
    width: 400px;
}
.top-options {
    max-width: 100%;
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
}
.top-options-left {
    flex: 1 1 auto;
}
.top-options-right {
    flex: 0 0 auto;
}

.example-text-container {
    position: relative;
}
.example-text {
    display: block;
    width: 100%;
    font-size: 24px;
    line-height: 1.25em;
    height: 1.25em;
    box-sizing: border-box;
    border: 1px solid rgba(221, 221, 221, 0);
    margin: 0;
    padding: 0;
    outline: none;
    color: inherit;
    background-color: transparent;
    white-space: pre;
    transition: background-color var(--animation-duration) linear 0s, border-color var(--animation-duration) linear 0s;
}
.example-text:hover,
.example-text-input {
    border-color: #dddddd;
}
.example-text[hidden] {
    display: none;
}
.example-text-input {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
}
.example-text-input:not([hidden])+.example-text {
    visibility: hidden;
}

.popup-placeholder {
    display: flex;
    width: 100%;
    height: 250px;
    padding-top: 10px;
    border: 1px solid rgba(0, 0, 0, 0);
    flex-flow: column nowrap;
    justify-content: center;
}
.placeholder-info {
    flex: 0 1 auto;
    visibility: hidden;
    opacity: 0;
    transition: opacity var(--animation-duration) linear 0s, visibility 0s linear var(--animation-duration);
}
.placeholder-info.placeholder-info-visible {
    visibility: visible;
    opacity: 1;
    transition: opacity var(--animation-duration) linear 0s, visibility 0s linear 0s;
}

.theme-button {
    display: inline-block;
    margin-left: 0.5em;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    line-height: 0;
}
.theme-button>input {
    vertical-align: middle;
    margin: 0 0.25em 0 0;
    padding: 0;
}
.theme-button>span {
    vertical-align: middle;
}
.theme-button:hover>span {
    text-decoration: underline;
}