//
// Main Navigation
// --------------------------------------------------

.nav-main {
    @include list-unstyled;
}

// Headings
.nav-main-heading {
    padding-top: 1.75rem;
    padding-bottom: .25rem;
    padding-left: .625rem;
    font-size: .8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .075rem;
    color: lighten($body-color, 30%);
}

// Nav li items
.nav-main-item {
    // Fixing flexbox IE10-11 bug, so we can use min-height in links and align their content vertically
    display: flex;
    flex-direction: column;
}

// Default links
.nav-main-link {
    position: relative;
    display: flex;
    align-items: center;
    padding: .5rem .625rem;
    margin: 2px 0;
    min-height: 2.25rem;
    font-size: $font-size-sm;
    font-weight: 500;
    line-height: 1.25rem;
    letter-spacing: .0125em;
    color: lighten($body-color, 5%);
    border-radius: $border-radius-sm;

    .nav-main-link-icon {
        flex: 0 0 auto;
        display: inline-block;
        margin-right: .625rem;
        min-width: 1.25rem;
        font-size: 1rem;
        text-align: center;
        color: $main-nav-link-icon-color;
    }

    .nav-main-link-name {
        flex: 1 1 auto;
        display: inline-block;
        max-width: 100%;
    }

    .nav-main-link-badge {
        flex: 0 0 auto;
        display: inline-block;
        margin-left: .625rem;
        padding-right: .375rem;
        padding-left: .375rem;
        font-size: .75rem;
    }

    &:hover,
    &.active {
        color: $black;
        background-color: $main-nav-link-hover-bg;
    }

    &.nav-main-link-submenu {
        padding-right: 2rem;

        &::before,
        &::after {
            position: absolute;
            top: 50%;
            right: .625rem;
            display: block;
            margin-top: -.5rem;
            width: 1rem;
            height: 1rem;
            line-height: 1rem;
            text-align: center;
            font-family: 'Font Awesome 5 Free', 'Font Awesome 5 Pro';
            font-weight: 900;
            transition: opacity $main-nav-transition, transform $main-nav-transition;
        }

        &::before {
            content: '\f107';
            opacity: .4;
        }

        &::after {
            content: '\f106';
            opacity: 0;
            transform: translateY(-.625rem);
        }
    }
}

// Sub menus
.nav-main-submenu {
    padding-left: 2.5rem;
    list-style: none;
    height: 0;
    overflow: hidden;
    background-color: $main-nav-submenu-bg;
    @include border-bottom-radius($border-radius-sm);

    .nav-main-item {
        opacity: 0;
        transition: opacity $main-nav-transition, transform $main-nav-transition;
        transform: translateX(1rem);
    }

    .nav-main-heading {
        padding-top: 1.25rem;
        padding-bottom: .25rem;
    }

    .nav-main-link {
        margin: 0;
        padding-top: .375rem;
        padding-bottom: .375rem;
        padding-left: 0;
        font-size: .8125rem;
        min-height: 2rem;
        color: lighten($body-color, 20%);

        &:hover,
        &.active {
            color: darken($body-color, 7.5%);
            background-color: transparent;
        }
    }

    .nav-main-submenu {
        padding-left: .75rem;
    }
}

// Active sub menu
.nav-main-item.open {
    > .nav-main-link-submenu {
        color: $black;
        background-color: $main-nav-link-hover-bg;
        @include border-bottom-radius(0);

        &::before {
            opacity: 0;
            transform: translateY(.625rem);
        }

        &::after {
            opacity: .6;
            transform: translateY(0);
        }
    }

    > .nav-main-submenu {
        height: auto;
        margin-top: -2px;
        padding-top: .375rem;
        padding-bottom: .375rem;

        > .nav-main-item {
            opacity: 1;
            transform: translateX(0);
        }
    }
}

.nav-main-submenu .nav-main-item.open .nav-main-link {
    background-color: transparent;
}

// Nav Main Horizontal
@include media-breakpoint-up(lg) {
    .nav-main-horizontal {
        display: flex;
        flex-wrap: wrap;
        margin-bottom: 0;

        // Headings
        .nav-main-heading {
            display: none;
        }

        // Nav li items
        > .nav-main-item {
            position: relative;
            display: inline-block;

            &:not(:last-child) {
                margin-right: .25rem;
            }
        }

        // Sub menus
        .nav-main-submenu {
            position: absolute;
            left: 0;
            width: 220px;
            padding-left: 0;
            z-index: $zindex-dropdown - 5;
            box-shadow: 0 .25rem 2rem rgba(0,0,0,.08);

            &.nav-main-submenu-right {
                left: auto;
                right: 0;
            }

            .nav-main-link {
                &.nav-main-link-submenu {
                    &::before {
                        content: '\f105';
                    }

                    &::after {
                        content: '\f104';
                    }
                }
            }

            .nav-main-item {
                transform: translateY(-.5rem);
            }

            .nav-main-link {
                padding-left: 1rem;
            }
        }

        // Active sub menu
        .nav-main-item.open {
            > .nav-main-submenu {
                padding-top: .5rem;
                padding-bottom: .5rem;
                overflow: visible;

                > .nav-main-item {
                    transform: translateY(0);
                }
            }
        }

        // Sub menus - 2++ Level
        .nav-main-submenu .nav-main-submenu {
            top: -.5rem;
            left: auto;
            right: -100%;
            margin-top: 0;
        }

        // Menu variations
        &.nav-main-horizontal-center {
            justify-content: center;
        }

        &.nav-main-horizontal-justify {
            > .nav-main-item {
                flex: 1 1 auto;
            }
        }

        &.nav-main-hover {
            .nav-main-item:hover {
                > .nav-main-link-submenu {
                    color: $black;
                    background-color: $main-nav-link-hover-bg;
                    @include border-bottom-radius(0);

                    &::before {
                        opacity: 0;
                        transform: translateY(.625rem);
                    }

                    &::after {
                        opacity: .6;
                        transform: translateY(0);
                    }
                }

                > .nav-main-submenu {
                    height: auto;
                    margin-top: -2px;
                    padding-top: .5rem;
                    padding-bottom: .5rem;
                    overflow: visible;

                    .nav-main-submenu {
                        margin-top: 0;
                    }

                    > .nav-main-item {
                        opacity: 1;
                        transform: translateY(0);
                    }
                }
            }
        }
    }
}

// Dark Variation
.nav-main-dark,
.sidebar-dark #sidebar,
.page-header-dark #page-header {
    // Headings
    .nav-main-heading {
        color: lighten($sidebar-dark-bg, 30%);
    }

    // Default links
    .nav-main-link {
        font-weight: 400;
        color: lighten($sidebar-dark-bg, 55%);

        > .nav-main-link-icon {
            color: $main-nav-link-icon-dark-color;
        }

        &:hover,
        &.active {
            color: $white;
            background-color: $main-nav-link-dark-hover-bg;
        }
    }

    // Sub menus
    .nav-main-submenu {
        background-color: $main-nav-submenu-dark-bg;

        .nav-main-link {
            color: lighten($sidebar-dark-bg, 45%);        

            &:hover,
            &.active {
                color: $white;
                background-color: transparent;
            }
        }
    }

    // Active sub menu
    .nav-main-item.open {
        > .nav-main-link-submenu {
            color: $white;
            background-color: $main-nav-link-dark-hover-bg;
        }

        > .nav-main-submenu {
            background-color: $main-nav-submenu-dark-bg;
        }
    }

    .nav-main-submenu .nav-main-item.open .nav-main-link {
        background-color: transparent;
    }
}

@include media-breakpoint-up(lg) {
    .nav-main-dark.nav-main-horizontal.nav-main-hover,
    .sidebar-dark #sidebar .nav-main-horizontal.nav-main-hover,
    .page-header-dark #page-header .nav-main-horizontal.nav-main-hover {
        .nav-main-link {
            color: rgba($white, .75);

            > .nav-main-link-icon {
                color: rgba($white, .4);
            }

            &:hover,
            &.active {
                color: $white;
                background-color: darken($header-dark-bg, 5%);
            }
        }

        .nav-main-item:hover {
            > .nav-main-link-submenu {
                color: $white;
                background-color: darken($header-dark-bg, 5%);
            }

            > .nav-main-submenu {
                background-color: darken($header-dark-bg, 5%);
            }
        }

        .nav-main-submenu .nav-main-item:hover .nav-main-link {
            background-color: transparent;
        }
    }
}