.app-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-2) 0;
    mask-image: linear-gradient(to left, transparent, #000 12px, #000 calc(100% - 12px), transparent);
}

.app-nav::-webkit-scrollbar {
    display: none;
}

.app-nav__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--touch-min);
    padding: 0 var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
    text-decoration: none;
    color: var(--color-text-muted);
    border: 1px solid transparent;
    transition: color var(--transition-fast), background var(--transition-fast),
        border-color var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
    flex-shrink: 0;
}

.app-nav__link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.06);
}

.app-nav__link.is-active {
    color: #042f2e;
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow-primary);
}

/* Page-specific active navigation gradients to match page themes */
.page-tool--base .app-nav__link.is-active {
    background: linear-gradient(135deg, #ca8a04, #facc15);
    color: var(--color-bg);
    box-shadow: 0 0 15px rgba(250, 204, 21, 0.4);
}

.page-tool--attack .app-nav__link.is-active {
    background: linear-gradient(135deg, #af5f30, #e88d59);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(232, 141, 89, 0.4);
}

.page-tool--trending .app-nav__link.is-active {
    background: linear-gradient(135deg, #ea580c, #fb923c);
    color: #4c1d05;
    box-shadow: 0 0 15px rgba(234, 88, 12, 0.4);
}

.page-tool--armies .app-nav__link.is-active {
    background: linear-gradient(135deg, #2e92ab, #4bc3df);
    color: #04242e;
    box-shadow: 0 0 15px rgba(46, 146, 171, 0.4);
}

.app-nav__link:focus-visible {
    outline-offset: 3px;
}

@media (min-width: 768px) {
    .app-nav {
        justify-content: center;
        flex-wrap: wrap;
        overflow: visible;
        mask-image: none;
    }

    .app-nav__link {
        font-size: 0.875rem;
    }
}