/* Addon Tab Styling */
.nav-tab-addon {
    padding: 0.75rem 1.25rem;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-height: 44px;
}

.nav-tab-addon::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 3px 3px 0 0;
    transition: var(--transition);
}

.nav-tab-addon:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
    border-color: rgba(99, 102, 241, 0.2);
}

.nav-tab-addon.active {
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
    border-color: rgba(99, 102, 241, 0.3);
}

.nav-tab-addon.active::before {
    transform: translateX(-50%) scaleX(1);
}

/* Enhanced Mobile Responsive Tabs */
@media (max-width: 768px) {
    /* Remove sticky positioning on mobile */
    .wall-nav {
        position: relative;
        top: auto;
        padding: 0.5rem 0;
    }
    
    /* Stack navigation items vertically on mobile */
    .wall-nav .d-flex {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.5rem !important;
    }
    
    /* Horizontal Scrollable Tab Layout for Mobile */
    .nav-tabs {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap !important;
        gap: 0.375rem;
        padding-bottom: 0.25rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .nav-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .nav-tab, .nav-tab-addon {
        padding: 0.5rem 0.875rem !important;
        font-size: 0.75rem !important;
        flex-shrink: 0;
        min-height: 36px;
        letter-spacing: 0.3px;
    }
    
    /* Keep border indicator on mobile */
    .nav-tab::before, .nav-tab-addon::before {
        display: block;
        height: 2px;
    }
    
    .nav-tab.active, .nav-tab-addon.active {
        background: var(--primary-gradient) !important;
        color: white !important;
        border-color: transparent !important;
    }
    
    /* Keep active underline but make it white */
    .nav-tab.active::before, .nav-tab-addon.active::before {
        background: white;
    }
    
    /* Search and filter below tabs on mobile */
    .search-box {
        max-width: 100% !important;
        width: 100% !important;
        margin-top: 0 !important;
        margin-bottom: 0.5rem;
    }
    
    .search-box input {
        padding: 0.625rem 2.5rem 0.625rem 2.25rem;
        font-size: 0.875rem;
    }
    
    .device-filter {
        width: 100% !important;
        margin-top: 0 !important;
    }
    
    .device-filter select {
        width: 100%;
        padding: 0.625rem 2rem 0.625rem 0.75rem;
        font-size: 0.875rem;
    }
    
    /* Addon tabs section on mobile - also horizontal scroll */
    .nav-tabs-addons {
        display: flex;
        flex-direction: row;
        gap: 0.375rem;
        margin-top: 0.5rem;
        padding-top: 0.5rem;
        border-top: 1px solid var(--border-color);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }
    
    .nav-tabs-addons::-webkit-scrollbar {
        display: none;
    }
    
    .nav-tabs-addons .nav-tab-addon {
        flex-shrink: 0;
        font-size: 0.7rem !important;
        padding: 0.5rem 0.75rem !important;
        min-height: 32px;
    }
}