vb_book/public/assets/scss/custom/structure/_horizontal-nav.scss

// 
// _horizontal.scss
//

// Container width
body[data-layout-mode="horizontal"] {
    @include media-breakpoint-up(xl) {
        .container-fluid {
            max-width: $horizontal-layout-width;
        }
    }

    .navbar-custom {
        padding: 0 $grid-gutter-width;
        left: 0;
        right: 0;

        .logo-box {
            display: block;
            background-color: transparent;
        }
    }

    .content-page {
        margin-left: 0 !important;
    }
}

.topnav {
    background: $bg-topbar-light;
    box-shadow: $box-shadow;
    margin-top: $topbar-height;
    padding: 0 calc(#{$grid-gutter-width} / 2);
    position: fixed;
    left: 0;
    right: 0;
    z-index: 100;

    .topnav-menu {
        margin: 0;
        padding: 0;
    }

    .navbar-nav {

        .nav-link {
            font-size: $menu-item-size;
            position: relative;
            line-height: 22px;
            padding: calc(#{$topnav-height - 22px} / 2) 1.1rem;
            color: $hori-menu-item-color;
            font-family: $font-family-secondary;

            i {
                font-size: 15px;
                display: inline-block;
                vertical-align: middle;
            }

            &:focus,
            &:hover {
                color: $menu-item-hover;
                background-color: transparent;
            }
        }

        .nav-item {
            .dropdown.active {
                > a.dropdown-toggle {
                    color: $menu-item-active;
                }
            }
        }
    }
}

@include media-breakpoint-up(lg) {
    .topnav {
        height: $topnav-height;

        .navbar-nav {
            .nav-item {
                &:first-of-type {
                    .nav-link {
                        padding-left: 0;
                    }
                }
            }
        }

        .dropdown-item {
            padding: .5rem 1.25rem;
            min-width: 180px;
            margin: 0 .3rem;
            width: auto;

            &.active {
                background-color: transparent;
                color: $menu-item-active;
            }
        }

        .dropdown {
            &.mega-dropdown {

                // position: static;
                .mega-dropdown-menu {
                    left: 0px;
                    right: auto;
                }
            }

            .dropdown-menu {
                padding: 0.3rem 0;
                margin-top: 0;
                border-radius: 0 0 $dropdown-border-radius $dropdown-border-radius;

                .arrow-down {
                    &::after {
                        right: 20px;
                        transform: rotate(-135deg) translateY(-50%);
                        position: absolute;
                    }
                }

                .dropdown {
                    .dropdown-menu {
                        position: absolute;
                        top: 0 !important;
                        left: 100%;
                        display: none;
                    }
                }
            }

            &:hover {
                >.nav-link {
                    color: $menu-item-hover;
                }

                >.dropdown-menu {
                    display: block;

                    >.dropdown:hover {
                        >.dropdown-item {
                            color: $menu-item-active;
                        }

                        >.dropdown-menu {
                            display: block;
                        }
                    }
                }
            }
        }
    }

    .navbar-toggle {
        display: none;
    }

    body[data-layout-mode="horizontal"] {
        .content-page {
            padding: calc(#{$topbar-height} + #{$topnav-height}) 12px 65px 12px;
        }
    }
}

.arrow-down {
    display: inline-block;

    &:after {
        border-color: initial;
        border-style: solid;
        border-width: 0 0 1px 1px;
        content: "";
        height: .4em;
        display: inline-block;
        right: 5px;
        top: 50%;
        margin-left: 10px;
        transform: rotate(-45deg) translateY(-50%);
        transform-origin: top;
        transition: all .3s ease-out;
        width: .4em;
    }
}



@include media-breakpoint-down(lg) {
    .topnav-menu {
        .navbar-nav {
            li {
                &:last-of-type {
                    .dropdown {
                        .dropdown-menu {
                            right: 100%;
                            left: auto;
                        }
                    }
                }
            }
        }
    }
}

@include media-breakpoint-down(md) {

    .topnav {
        max-height: 360px;
        overflow-y: auto;
        padding: 0;

        .navbar-nav {
            .nav-link {
                padding: 0.75rem 1.1rem;
            }
        }

        .dropdown {
            .dropdown-menu {
                background-color: transparent;
                border: none;
                box-shadow: none;
                padding-left: 15px;
            }

            .dropdown-item {
                position: relative;
                background-color: transparent;

                &.active,
                &:active {
                    color: $menu-item-active;
                }
            }
        }

        .arrow-down {
            &::after {
                right: 15px;
                position: absolute;
            }
        }
    }
}


@include media-breakpoint-up(lg) {

    body[data-layout-mode="horizontal"][data-topbar-color="light"] {
        .topnav {
            background-color: $bg-topbar-dark;

            .navbar-nav {

                .nav-link {
                    color: rgba($white, 0.7);

                    &:focus,
                    &:hover {
                        color: rgba($white, 0.9);
                    }

                    &.active {
                        color: $white;
                    }
                }

                .nav-item {
                    &:hover {
                        .nav-link {
                            color: $white;
                        }
                    }
                }

                >.dropdown {
                    &.active {
                        >a {
                            color: rgba($white, 0.9) !important;
                        }
                    }
                }
            }
        }
    }
}

body[data-layout-mode="horizontal"][data-layout-width="boxed"] {
    .topnav {
        max-width: $boxed-layout-width;
        margin: $topbar-height auto 0;
    }
}