div.media-container {
    max-height: 80vh;
    margin: 1rem 2rem;
    background-color: var(--default-bg-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md-1);
    overflow: auto;
    transition: background .3s .15s,
                box-shadow .3s;
}

@media screen and (max-width: 767px) {
    /* Mobile phone style */
    div.media-container:not(blockquote div.media-container) {
        width: calc(100% + 3.2rem);
        margin-left: -1.6rem;
        margin-right: -1.6rem;
        border-radius: 0;
    }
    blockquote > div.media-container {
        margin-left: -1rem;
        margin-right: 0;
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
    }
}
@media screen and (min-width: 768px) {
    div.media-container.image {
        width: fit-content;
        max-width: 100%;
    }
}
@media screen and (min-width: 960px) {
    /* PC style */
    div.media-container:not(blockquote div.media-container) {
        margin-left: 4rem;
        margin-right: 4rem;
        border-radius: 16px;
    }
}

div.media-container:hover {
    box-shadow: var(--shadow-md-2);
}

div.media-container img {
    width: 100%;
    vertical-align: bottom;
    cursor: pointer;
}
div.media-container video,
div.media-container audio,
div.media-container iframe {
    width: 100%;
    vertical-align: bottom;
}

div.media-container img.drawio {
    margin: 1rem;
} 

/*
    Image load error solution reference:
    https://www.zhangxinxu.com/wordpress/2020/10/css-style-image-load-fail/
*/
div.media-container img.load-error {
    position: relative;
    display: inline-block;
    cursor: auto;
    width: 100%;
    height: 16rem;
    max-height: 40vh;
}
div.media-container img.load-error::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    color: transparent;
    background-color: #f5f5f5;
    background-image: url(./imgs/broken-image.svg);
    background-repeat: no-repeat;
    background-position: 50% calc(50% - 8px);
    background-size: 85% 85%;
    transition: filter .3s .15s,
                background .3s .15s;
}
div.media-container img.load-error::after {
    position: absolute;
    left: 0;
    bottom: 0;
    content: attr(alt);
    max-width: 100%;
    padding: 1px .6rem;
    line-height: 2;
    color: white;
    background-color: rgba(0,0,0,.65);
    border-top-right-radius: 6px;
    font-size: .875rem;
    text-align: start;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color .3s .15s,
                background .3s .15s;
}

.dark div.media-container img.load-error::before {
    background-color: #dfddda;
    filter: invert(1);
}
.dark div.media-container img.load-error::after {
    color: black;
    background-color: rgba(255, 255, 255, 0.85);
}

div.media-container iframe {
    border: none;
    height: 50vh;
    background-color: var(--default-bg-color);
}

/* Charts styles start */

div.media-container .echarts-container {
    width: 100%;
    height: 600px;
    max-height: 60vh;
}

div.media-container .flowchart-container,
div.media-container .sequencechart-container,
div.media-container .ganttchart-container {
    padding: 8px;
    background-color: var(--chart-bg-color);
    transition: background .3s .15s;
}

.flowchart-container svg,
.sequencechart-container svg {
    width: 100%;
}
.railroad-container svg {
    width: 100%;
    background-color: var(--chart-bg-color) !important;
    transition: background .3s .15s;
}
body.dark .flowchart-container svg,
body.dark .sequencechart-container svg {
    filter: invert(.85);
}

div.media-container .qrcode-container {
    margin: 0 auto;
}

/* Charts styles end */


/* Chrome/Edge `audio` element style start */
audio::-webkit-media-controls-panel {
    background-color: var(--default-bg-color);
}
audio::-webkit-media-controls-current-time-display,
audio::-webkit-media-controls-time-remaining-display {
    color: var(--default-tx-color);
}
@media (prefers-color-scheme: light) {
    /* dark mode style when the dark mode is disabled in OS */
    .dark audio::-webkit-media-controls-play-button,
    .dark audio::-webkit-media-controls-mute-button,
    .dark audio::-webkit-media-controls-volume-slider,
    .dark audio::-webkit-media-controls-timeline {
        filter: invert(.85);
    }
}
@media (prefers-color-scheme: dark) {
    /* light mode style when the dark mode is enabled in OS */
    body.light audio::-webkit-media-controls-current-time-display,
    body.light audio::-webkit-media-controls-time-remaining-display {
        text-shadow: 0 0 1px var(--default-tx-color);
    }

    body.light audio::-webkit-media-controls-play-button,
    body.light audio::-webkit-media-controls-mute-button,
    body.light audio::-webkit-media-controls-volume-slider,
    body.light audio::-webkit-media-controls-timeline {
        filter: invert(.85);
    }
}