/* AdminLTE Navigation Menu Styling - Shared Library */
/* Beautiful active states with distinction between parent and children items */

/* Parent Menu Items - Level 1 */
.nav-sidebar > .nav-item > .nav-link {
    position: relative;
    transition: all 0.3s ease;
    border-radius: 0.25rem;
    margin: 0.125rem 0.5rem;
    padding: 0.6rem 1rem;
}

/* Parent Active State - Bold với border trái */
.nav-sidebar > .nav-item > .nav-link.active {
    background-color: rgba(var(--bs-primary-rgb), 0.08) !important;
    color: var(--color-primary) !important;
    font-weight: 600 !important;
    border-left: 4px solid var(--color-primary) !important;
    box-shadow: none;
}

.nav-sidebar > .nav-item > .nav-link.active .nav-icon {
    color: var(--color-primary) !important;
    transform: scale(1.1);
}

/* Parent Hover */
.nav-sidebar > .nav-item > .nav-link:hover:not(.active) {
    background-color: rgba(var(--bs-primary-rgb), 0.08) !important;
    transform: translateX(4px);
}

/* Parent with Children (has submenu) */
.nav-sidebar > .nav-item.has-treeview > .nav-link {
    font-weight: 500;
}

.nav-sidebar > .nav-item.has-treeview.menu-open > .nav-link {
    background-color: rgba(var(--bs-primary-rgb), 0.1) !important;
    color: var(--color-primary) !important;
}

/* Children Menu Items - Level 2 */
.nav-sidebar .nav-treeview {
    padding-left: 0;
    background-color: rgba(0,0,0,0.02);
    border-radius: 0.25rem;
    margin: 0.25rem 0.5rem 0.5rem 0.5rem;
}

.nav-sidebar .nav-treeview > .nav-item > .nav-link {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    margin: 0.1rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    position: relative;
}

/* Children - Dot indicator */
.nav-sidebar .nav-treeview > .nav-item > .nav-link::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-text-muted);
    transition: all 0.2s ease;
}

/* Children Active State - Gradient background với dot nổi bật */
.nav-sidebar .nav-treeview > .nav-item > .nav-link.active {
    background: linear-gradient(90deg, 
        rgba(var(--bs-primary-rgb), 0.2) 0%, 
        rgba(var(--bs-primary-rgb), 0.05) 100%) !important;
    color: var(--color-primary) !important;
    font-weight: 600 !important;
    border-left: 3px solid var(--color-primary) !important;
}

.nav-sidebar .nav-treeview > .nav-item > .nav-link.active::before {
    background-color: var(--color-primary);
    width: 8px;
    height: 8px;
    box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.3);
}

.nav-sidebar .nav-treeview > .nav-item > .nav-link.active .nav-icon {
    color: var(--color-primary) !important;
}

/* Children Hover */
.nav-sidebar .nav-treeview > .nav-item > .nav-link:hover:not(.active) {
    background-color: rgba(var(--bs-primary-rgb), 0.05) !important;
    transform: translateX(4px);
    padding-left: calc(2.5rem + 4px);
}

.nav-sidebar .nav-treeview > .nav-item > .nav-link:hover:not(.active)::before {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
}

/* Chevron/Arrow for parent items with children */
.nav-sidebar > .nav-item.has-treeview > .nav-link .right {
    transition: transform 0.3s ease;
}

.nav-sidebar > .nav-item.has-treeview.menu-open > .nav-link .right {
    transform: rotate(90deg);
}

/* Icon consistency */
.nav-sidebar .nav-icon {
    transition: all 0.2s ease;
    width: 1.6rem;
    text-align: center;
}

/* Responsive adjustments for active states */
@media (max-width: 768px) {
    .nav-sidebar > .nav-item > .nav-link.active {
        margin: 0.125rem 0.25rem;
    }
    
    .nav-sidebar .nav-treeview > .nav-item > .nav-link {
        padding-left: 2rem;
        font-size: 0.85rem;
    }
    
    .nav-sidebar .nav-treeview > .nav-item > .nav-link::before {
        left: 1rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .nav-sidebar .nav-treeview {
        background-color: rgba(255,255,255,0.02);
    }
    
    .nav-sidebar > .nav-item > .nav-link.active {
        background-color: rgba(var(--bs-primary-rgb), 0.15) !important;
    }
    
    .nav-sidebar .nav-treeview > .nav-item > .nav-link.active {
        background: linear-gradient(90deg, 
            rgba(var(--bs-primary-rgb), 0.3) 0%, 
            rgba(var(--bs-primary-rgb), 0.08) 100%) !important;
    }
}