$tree-outline: 1px solid var(--light-gray-color-40);

.studip-tree {
    &.studip-tree-navigatable {
        > header {
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;

            h1 {
                display: inline-block;
                width: calc(100% - 28px);
            }
        }

        .contentbar {
            display: relative;

            .contentbar-wrapper-right {
                display: inherit;

                .action-menu {
                    button {
                        top: -2px;
                    }
                }
            }
        }

        .studip-tree-navigation-wrapper {
            margin-right: 15px;
            text-indent: 0;

            .studip-tree-navigation {
                background-color: var(--white);
                border: 1px solid var(--content-color-40);
                box-shadow: 2px 2px mix($base-gray, $white, 20%);
                right: -20px;
                padding: 10px;
                position: absolute;
                top: -15px;
                width: 400px;
                z-index: 3;

                > header {
                    border-bottom: 1px solid var(--content-color-40);
                    display: flex;
                    height: 60px;
                    margin-bottom: 15px;
                    margin-top: -15px;
                    padding: 2px 0;

                    h1 {
                        line-height:60px;
                        margin-bottom: 0;
                        width: calc(100% - 40px);
                    }

                    button {
                        flex: 0;
                        padding-top: 10px;
                    }
                }

                .studip-tree-node {
                    width: 100%;
                }
            }
        }
    }

    section {
        margin-left: 0;
        margin-right: 0;
    }

    button {
        background: transparent;
        border: 0;
        color: var(--base-color);
        cursor: pointer;
        padding: 0;

        &:hover {
            .studip-tree-child-title {
                text-decoration: underline;
            }
        }
    }

    .studip-tree-course {
        .course-dates {
            color: var(--dark-gray-color-80);
            font-size: $font-size-small;
            padding-left: 35px;
        }

        .course-details {
            color: var(--dark-gray-color-80);
            font-size: $font-size-small;
            text-align: right;

            .admission-state {
                height: 18px;
            }

            .course-lecturers {
                list-style: none;
                padding-left: 0;
            }
        }
    }

    /* Display as foldable tree */
    .studip-tree-node {

        width: 100%;

        a {
            cursor: pointer;
            display: flex;

            img {
                vertical-align: bottom;
            }
        }

        .studip-tree-node-content {

            display: flex;

            &.studip-tree-node-active {
                background-color: var(--light-gray-color-20);
                margin: -5px;
                padding: 5px;
            }

            .studip-tree-node-toggle {
                margin-left: -2px;
                margin-right: 5px;
            }

            .tooltip {
                line-height: 24px;
                margin-left: 5px;
            }

            .studip-tree-node-assignment-state {
                margin-right: 10px;

                img, svg {
                    vertical-align: text-bottom;
                }
            }

            a.studip-tree-node-edit-link {
                opacity: 0;
                visibility: hidden;

            }

            &:hover {
                background-color: var(--light-gray-color-20);

                a.studip-tree-node-edit-link {
                    opacity: 1;
                    visibility: visible;
                }
            }
        }

        .studip-tree-children {
            list-style: none;
            padding-left: 38px;

            li {
                border-left: $tree-outline;
                display: flex;
                margin-left: -31px;
                padding: 5px 0 5px 5px;

                &:before {
                    border-bottom: $tree-outline;
                    content: "";
                    display: inline-block;
                    height: 1em;
                    left: -5px;
                    position: relative;
                    top: -5px;
                    vertical-align: top;
                    width: 10px;
                }

                &:last-child {
                    border-left: none;

                    &:before {
                        border-left: $tree-outline;
                    }
                }
            }
        }
    }

    > .studip-tree-node {
        width: calc(100% - 25px);
    }

    /* Top breadcrumb */
    .studip-tree-breadcrumb {
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        max-width: 100%;
        padding: 1em;
        top: 2px;

        .contentbar-wrapper-left {
            max-width: calc(100% - 25px);

            &.with-navigation {
                max-width: calc(100% - 50px);
            }

            &.editable {
                max-width: calc(100% - 50px);
            }

            &.with-navigation-and-editable {
                max-width: calc(100% - 75px);
            }

            img {
                vertical-align: text-bottom;
            }

            .studip-tree-breadcrumb-list {
                display: inline-block;
                flex: 1;
                line-height: 24px;
                margin-left: 15px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
        }

        .action-menu {
            position: relative;
            top: 5px;
            width: 30px;
        }

    }

    /* Display as tiled list */
    .studip-tree-list {
        section, nav:not(.contentbar-nav) {
            padding: 15px;
        }

        .studip-tree-children {
            display: grid;
            grid-gap: 15px;
            grid-template-columns: repeat(auto-fit, $sidebar-width);
            list-style: none;
            overflow-wrap: break-word;
            padding-left: 0;

            .studip-tree-child {
                background: var(--dark-gray-color-5);
                border: solid thin var(--light-gray-color-40);
                display: flex;
                min-height: 130px;
                padding: 5px 10px;

                /* Handle for drag&drop */
                .drag-handle {
                    background-position-y: 8px;
                }

                a {
                    display: flex;
                    flex-direction: column;
                    padding: 10px;
                    text-align: left;
                    width: 100%;

                    .studip-tree-child-title {
                        font-size: 1.1em;
                        font-weight: bold;
                    }

                    .studip-tree-child-description {
                        color: var(--black);
                        font-size: 0.9em;
                    }
                }

                &:hover {
                    background: var(--white);

                    button {
                        .studip-tree-child-title {
                            color: var(--red);
                        }
                    }
                }
            }
        }

        table {
            tr {
                td {
                    line-height: 24px;
                    padding: 10px;
                    vertical-align: top;

                    a {
                        img {
                            margin-right: 5px;
                            vertical-align: bottom;
                        }
                    }
                }
            }
        }
    }

    /* Display as table */
    .studip-tree-table {
        table {
            .studip-tree-node-info {
                font-size: 0.9em;
                padding: 15px;
            }

            tbody {
                tr {

                    &.studip-tree-course {
                        .course-dates {
                            padding-left: 0;
                        }
                    }

                    td {
                        line-height: 28px;
                        padding: 5px;
                        vertical-align: top;

                        /* Handle for drag&drop */
                        .drag-handle {
                            background-position-y: -5px;
                            padding-right: 10px;
                        }

                        button {
                            background: transparent;
                            border: 0;
                            color: var(--base-color);
                            cursor: pointer;

                            &:hover {
                                text-decoration: underline;
                            }
                        }
                    }
                }
            }
        }
    }

    .studip-tree-course-path {
        font-size: 0.9em;
        list-style: none;
        padding: 5px;

        button {
            padding: 0;
        }
    }
}

form.default {
    .studip-tree-node {
        padding-top: unset !important;
    }
}