main h1 {
    color: var(--gold);
}

#event-list {
    max-height: 60vh;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: black #ddd;
}

#event-list::-webkit-scrollbar {
    width: 0.25em;
    height: 0.25em;
}

#event-list::-webkit-scrollbar-track {
    background: #ddd;
}

#event-list::-webkit-scrollbar-thumb {
    background: black;
}

.events {
    display: grid;
    grid-gap: 0.8em;
}

.events.next {
    grid-template-columns: repeat(auto-fit, minmax(var(--cell-width), 1fr));
}

.events.past {
    grid-template-columns: repeat(auto-fit, minmax(var(--cell-width), 0.5fr));
}

.event {
    position: relative;
}

a.thumbnail {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: var(--cell-height);
    text-decoration: none;
}

.thumbnail img {
    object-position: center;
    object-fit: cover;
    height: 100%;
    width: 100%;
    /* Make sure summary is visible when photo is not available. */
    background: black;
    color: white;
}

.thumbnail .summary {
    position: absolute;
    font-weight: bold;
    color: white;
    text-align: center;
}

.credits::before {
    content: '© ';
}

.event.canceled {
    opacity: 50%;
    transition: 0.5s;
}
.summary .canceled {
    display: block;
    color: red;
}
.event.canceled:hover,
.event.canceled:focus-within,
.event.canceled.active {
    opacity: 1;
}

.details > .detail {
    display: grid;
    grid-template-columns: 2em 1fr;
}

.detail.date::before {
    content: "📅";
}
.detail.time::before {
    content: "🕗";
}
.detail.place::before {
    content: "📌";
}
.detail.program::before {
    content: "🎼";
}

.details > .detail::before {
    grid-column: 1;
}
.details > .detail > * {
    grid-column: 2;
}

.detail.program {
    padding-left: 0;
    list-style: none;
}

.details.canceled > .canceled {
    color: red;
}
.details.canceled > :not(.canceled) {
    /* Make everything less opaque, except the "canceled" marker. */
    opacity: 50%;
}

@media (min-width: 50em) {
    main {
        /* Define thumbnail dimension here so that we can align stuff in
         * #event-details. */
        --cell-width: 14em;
        --cell-height: 12em;

        display: grid;
        grid-template-columns: 60% 40%;
    }

    main > div {
        padding-left: 1em;
        padding-right: 1em;
    }

    .thumbnail .summary {
        opacity: 0;
        transition: 0.5s;
    }

    .thumbnail img {
        transition: 0.5s;
    }

    .credits {
        position: absolute;
        bottom: 0;
        right: 0;
        font-size: small;
        color: white;
        background: #0008;
        padding: 0 0.2em;
        border-top-left-radius: 0.5em;
    }

    .event:hover img,
    .event:focus-within img,
    .event.active img {
        filter: grayscale(0.8) brightness(0.4);
    }

    .event:hover .summary,
    .event:focus-within .summary,
    .event.active .summary {
        opacity: 1;
    }

    .credits:not(:hover) > span:only-child {
        display: none;
    }

    /* Try to align with center of thumbnails. */
    #event-details > p.hint {
        margin-top: calc(
            /* h1: 1.4em (commun.css) with 2*.67em margins (default) */
            1.4 * (1em + 2*.67em)
            /* Half of grid height */
            + var(--cell-height) / 2
        );
    }
}

@media not all and (min-width: 50em) {
    .events {
        --cell-width: 10em;
        --cell-height: 8em;
    }

    .event {
        display: grid;
    }

    .thumbnail {
        position: relative;
    }

    .thumbnail .summary {
        bottom: 0;
        display: flex;
        /* Make sure "canceled" marker goes above summary. */
        flex-direction: column;
        width: 100%;
        margin: 0;
        background: #0008;
    }
    .event.active > a.thumbnail .summary {
        /* No idea why "100%" does not work here: */
        height: var(--cell-height);
        justify-content: center;
    }

    .credits {
        justify-self: end;
        font-size: x-small;
    }
}