.layout-topbar {
    background-color: var(--surface-a);
    padding: 0;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 997;
    box-shadow: 0 0 4px rgba(0,0,0,0.25);
    border-bottom: 1px solid var(--surface-d);

    .menu-button {
        display: none;
        color: var(--text-color);
        position: absolute;
        left: 0;
        top: 0;
        width: 70px;
        height: 70px;
        line-height: 70px;
        text-align: center;
        transition: background-color .2s;
        cursor: pointer;

        &:hover {
            background-color: var(--surface-c);
        }

        i {
            font-size: 24px;
            line-height: inherit;
        }
    }

    .logo {
        margin-left: 35px;
        margin-top: 8px;
        display: inline-block;

        img {
            width: 180px;
        }

        &:focus {
            outline: 0 none;
            transition: box-shadow .2s;
            box-shadow: 0 0 0 0.2em $focusBorderColor;
        }
    }

    .topbar-menu {
        list-style-type: none;
        float: right;
        margin: 0 60px 0 0;
        padding: 0;
        height: 100%;

        > li {
            display: inline-block;
            height: 70px;
            line-height: 70px;

            > a {
                text-decoration: none;
                color: var(--text-color);
                min-width: 120px;
                font-size: 16px;
                display: inline-block;
                text-align: center;
                user-select: none;
                line-height: inherit;
                transition: background-color .2s;
                cursor: pointer;

                &:hover {
                    background-color: var(--surface-c);
                }

                &:focus {
                    z-index: 1;
                    outline: 0 none;
                    transition: box-shadow .2s;
                    box-shadow: inset 0 0 0 0.2em $focusBorderColor;
                }
            }

            &.topbar-submenu {
                position: relative;

                > ul {
                    position: absolute;
                    top: 70px;
                    right: 0;
                    width: 275px;
                    max-height: 400px;
                    background-color: var(--surface-e);
                    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.3);
                    overflow: auto;
                    list-style-type: none;
                    padding: 1rem;
                    margin: 0;
                    border-radius: 3px;

                    > li {
                        line-height: 1;

                        &.topbar-submenu-header {
                            padding: .5rem;
                            font-weight: bold;
                            text-align: left;
                            margin-top: 1rem;

                            &:first-child {
                                margin-top: 0;
                            }
                        }
                    }

                    a {
                        text-decoration: none;
                        color: var(--text-color);
                        padding: .5rem;
                        display: block;
                        user-select: none;
                        transition: background-color .2s;
                        border-radius: 3px;
                        cursor: pointer;

                        &:hover {
                            background-color: var(--surface-c);
                            cursor: pointer;
                        }

                        span {
                            margin-left: .5rem;
                            vertical-align: middle;
                        }

                        i {
                            vertical-align: middle;
                            color: var(--text-color-secondary);
                            vertical-align: middle;
                        }

                        img {
                            width: 32px;
                            vertical-align: middle;
                            margin-right: .5rem;
                        }
                    }
                }
            }
        }

        .theme-badge {
            padding: 2px 4px;
            vertical-align: middle;
            border-radius: 3px;
            color: #ffffff;
            font-weight: bold;
            font-size: 11px;
            position: relative;
            top: -1px;
        }

        .theme-badge.material {
            background: linear-gradient(to bottom, #2196F3, #2196F3);
        }

        .theme-badge.bootstrap {
            background: linear-gradient(to bottom, #563D7C, #966BD8);
        }

        .theme-badge.darkmode {
            background: linear-gradient(to bottom, #141d26, #5a6067);
        }
    }
}