.studip-selection {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;

    // General list item styles and placeholders
    ul, li {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    li {
        display: inline-block;
        vertical-align: top;
    }

    li:not(.empty-placeholder) {
        color: var(--color--highlight);
        cursor: pointer;
        margin: 1px 0;
        padding-right: 0.5em;
    }

    li.empty-placeholder {
        color: var(--color--font-secondary);

        &:not(:only-child) {
            display: none;
        }
    }

    .studip-selection-selectable li.empty-placeholder {
        color: var(--text-color);
        padding-left: 20px;
        position: relative;

        @include icon(before, info-circle, info);

        &::before {
            position: absolute;
            left: 0;
            top: 3px;
        }
    }

    // Selected and selectable lists
    .studip-selection-image {
        img {
            transition: opacity var(--transition-duration);
        }

        display: inline-block;
        vertical-align: top;
        width: $avatar-small;
    }

    .studip-selection-selected .studip-selection-label {
        @include icon(before, radiobutton-checked, $padding: 5px, $align: top);
    }

    .studip-selection-selectable .studip-selection-label {
        @include icon(before, radiobutton-unchecked, $padding: 5px, $align: top);
    }

    .studip-selection-image + .studip-selection-label {
        &::before {
            display: none;
        }
    }

    .studip-selection-selected li:hover {
        .studip-selection-label {
            @include icon(before, remove-circle-full, $padding: 5px, $align: top);
        }
    }

    .studip-selection-selectable li:hover {
        .studip-selection-label {
            @include icon(before, add-circle-full, $padding: 5px, $align: top);
        }
    }

    .studip-selection-selected,
    .studip-selection-selectable {
        flex: 1 1 300px;
        padding-top: 0;
        position: relative;

        h2 {
            margin-top: 0;
        }

        li:hover {
            .studip-selection-image {
                background-position: center;
                background-repeat: no-repeat;
                background-size: contain;
                position: absolute;

                img {
                    opacity: 0;
                }
            }

            .studip-selection-label {
                color: var(--color--highlight-hover);
            }
        }
    }
}