/* Выпадающее меню */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    padding: 10px 0;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-dropdown-toggle::after {
    content: '▼';
    font-size: 10px;
    transition: var(--transition-fast);
}

.nav-dropdown-toggle:hover,
.nav-dropdown.active .nav-dropdown-toggle {
    color: var(--text-primary);
}

.nav-dropdown.active .nav-dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    z-index: 1000;
    padding: 10px 0;
    margin-top: 10px;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.active .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-dropdown-item:hover {
    color: var(--text-primary);
    background: rgba(0, 255, 136, 0.1);
    border-left-color: var(--primary-color);
}

/* Хлебные крошки */
.nav-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    font-size: var(--font-size-small);
    color: var(--text-muted);
}

.nav-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-breadcrumb a:hover {
    color: var(--primary-color);
}

.nav-breadcrumb-separator {
    color: var(--text-muted);
    font-size: 12px;
}

.nav-breadcrumb-current {
    color: var(--primary-color);
    font-weight: 600;
}

/* Пагинация */
.nav-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 40px 0;
}

.nav-pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-small);
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
}

.nav-pagination-item:hover {
    background: var(--primary-color);
    color: var(--background-dark);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-pagination-item.active {
    background: var(--primary-color);
    color: var(--background-dark);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
}

.nav-pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Оверлей мобильного меню */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 999;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Боковая навигация */
.nav-sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background: var(--background-dark);
    border-right: 1px solid var(--border-color);
    transition: var(--transition-medium);
    z-index: 1001;
    overflow-y: auto;
}

.nav-sidebar.active {
    left: 0;
}

.nav-sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-sidebar-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition-fast);
}

.nav-sidebar-close:hover {
    color: var(--text-primary);
}

.nav-sidebar-menu {
    padding: 20px 0;
}

.nav-sidebar-item {
    display: block;
    padding: 15px 25px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-sidebar-item:hover,
.nav-sidebar-item.active {
    color: var(--text-primary);
    background: rgba(0, 255, 136, 0.1);
    border-left-color: var(--primary-color);
}

/* Вкладки */
.nav-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.nav-tab {
    padding: 15px 25px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
    position: relative;
}

.nav-tab:hover,
.nav-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--primary-color);
}

.nav-tab.active {
    color: var(--primary-color);
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav-dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.3);
        border: none;
        border-radius: 0;
        margin: 10px 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-fast);
    }
    
    .nav-dropdown.active .nav-dropdown-menu {
        max-height: 300px;
    }
    
    .nav-breadcrumb {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .nav-pagination {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .nav-pagination-item {
        width: 35px;
        height: 35px;
        font-size: 12px;
    }
    
    .nav-sidebar {
        width: 280px;
        left: -280px;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tab {
        padding: 12px 20px;
        font-size: var(--font-size-small);
    }
}

@media (max-width: 480px) {
    .nav-sidebar {
        width: 100%;
        left: -100%;
    }
    
    .nav-pagination-item {
        width: 30px;
        height: 30px;
        font-size: 11px;
    }
    
    .nav-tab {
        padding: 10px 15px;
        flex: 1;
        text-align: center;
    }
}