/* CSS inspired by https://css-tricks.com/adaptive-photo-layout-with-flexbox/ */

/* Common */

body {
    font-family: sans-serif;
}

a {
    color: inherit; /* blue colors for links too */
    text-decoration: inherit; /* no underline */
}

html {
    height: 100%;
    width: 100%;
}

li img, li video {
    height: 100%;
    /* Safari prefers min-width rather than width. Firefox don't care. */
    min-width: 100%;
    object-fit: cover;
    vertical-align: bottom;
}

ul {
    padding: 0;
    margin: 0;
}

/* Album */

body.album {
    margin: 3vh;
}

body.album ul {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

body.album li {
    /*
     * Line height is expressed as a factor of the viewport width since
     * we want to fit roughly the same amount of photos per line,
     * independently of the user's device
     */
    height: 13vw;
    flex-grow: 0.5;
    list-style-type: none;
    padding: 1px;
}

body.album li:last-child {
    flex-grow: 10;
}

/* Media */

body.media {
    height: 100%;
    width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column-reverse;
    justify-content: space-between;
}

body.media h1 {
    background-color: #888888AA;
    padding: 1vh;
    margin-left: 3vh;
    margin-right: 3vh;
}

body.media img, body.media video {
    object-fit: contain;
    max-height: 80%;
    min-width: 100%;
    margin-top: 3vh;
    margin-left: 3vh;
    margin-right: 3vh;
}

/* Index */

body.index {
    margin: 3vw;
}

body.index h2 {
    margin-top: 2em;
}

body.index h1 {
    text-align: center;
}

body.index ul {
    display: grid;
    grid-gap: 3vw;
    grid-auto-flow: row;
    grid-template-columns: 20vw 20vw 20vw 20vw;
    /*
     * Line height is expressed as a factor of the viewport width since
     * we want to fit roughly the same amount of photos per line,
     * independently of the user's device
     */
     grid-auto-rows: 20vw;
}

body.index ul li {
    list-style-type: none;
}

body.index ul.album li {
    background-color: #CCC;
}

body.index ul li a {
    display: flex;
    text-align: center;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    width: 100%;
}

/* Album Name */
body.index ul.album div:last-child {
    /*font-size: re;*/
    height: 2vw;
    line-height: 2vw;
    flex-grow: 0;
    flex-shrink: 0;
    background-color: #999;
    /* Sigh! https://codepen.io/CrocoDillon/pen/jgmwt */
    font-size: calc(0.6vw + 0.6vh + 0.2vmin);
}

body.index ul.album img {
    height: 18vw;
    object-fit: cover;
}

body.index ul.media img {
    object-fit: contain;
}

body.index div.no-cover {
    font-size: 4em;
}

/* hide album titles on small screens */
@media (max-width: 640px) {
    body.index ul.album div {
        display: none;
    }
    body.index ul.album img {
        height: 20vw;
    }
}