/* Navigation Styling - Hp2Base Design System */

/* Navigation Header */
.um-nav-header {
    background: var(--um-gray-800) !important;
    border-bottom: 1px solid var(--um-gray-700);
    box-shadow: var(--um-shadow-md);
    position: relative;
    z-index: 10;
    width: 100%;
    overflow: visible;
}

.um-nav-header .um-container {
    overflow: visible;
}

.um-brand-logo {
    display: flex;
    align-items: center;
    gap: var(--um-space-3);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: visible;
    flex-shrink: 0;
}

.um-brand-logo:hover {
    transform: scale(1.02);
    color: var(--um-brand-light) !important;
}

.um-brand-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Navigation Toggle */
.um-nav-toggle {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.um-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.um-nav-toggler {
    display: none;
}

/* Navigation Menu */
.um-nav-scrollable {
    background: white;
    border-right: 1px solid var(--um-gray-200);
    box-shadow: var(--um-shadow-sm);
    height: calc(100vh - 80px); /* Account for header height */
    overflow-y: auto;
    padding: var(--um-space-4) 0;
    position: relative;
    z-index: 5;
}

.um-nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--um-space-1);
}

/* Navigation Items */
.um-nav-item {
    margin: 0 var(--um-space-3);
}

.um-nav-link {
    display: flex;
    align-items: center;
    gap: var(--um-space-3);
    padding: var(--um-space-3) var(--um-space-4);
    color: var(--um-gray-700);
    text-decoration: none;
    border-radius: var(--um-radius-md);
    transition: all 0.2s ease;
    position: relative;
    font-weight: var(--um-font-medium);
}

.um-nav-link:hover {
    background: var(--um-gray-100);
    color: var(--um-brand-primary);
    transform: translateX(4px);
    text-decoration: none;
}

.um-nav-link:focus {
    outline: 2px solid var(--um-brand-primary);
    outline-offset: 2px;
    background: var(--um-brand-50);
}

/* Active Navigation Links */
.um-nav-link.active {
    background: var(--um-brand-50);
    color: var(--um-brand-primary);
    border-left: 3px solid var(--um-brand-primary);
    font-weight: var(--um-font-semibold);
}

.um-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--um-brand-primary);
    border-radius: 0 2px 2px 0;
}

/* Navigation Icons */
.um-nav-icon {
    font-size: 1.125rem;
    width: 1.25rem;
    display: flex;
    justify-content: center;
}

/* Color-specific Navigation Links */
.um-nav-link-red:hover {
    background: var(--um-red-50);
    color: var(--um-red-600);
}

.um-nav-link-red.active {
    background: var(--um-red-50);
    color: var(--um-red-700);
    border-left-color: var(--um-red-500);
}

.um-nav-link-blue:hover {
    background: var(--um-blue-50);
    color: var(--um-blue-600);
}

.um-nav-link-blue.active {
    background: var(--um-blue-50);
    color: var(--um-blue-700);
    border-left-color: var(--um-blue-500);
}

.um-nav-link-green:hover {
    background: var(--um-green-50);
    color: var(--um-green-600);
}

.um-nav-link-green.active {
    background: var(--um-green-50);
    color: var(--um-green-700);
    border-left-color: var(--um-green-500);
}

.um-nav-link-teal:hover {
    background: var(--um-teal-50);
    color: var(--um-teal-600);
}

.um-nav-link-teal.active {
    background: var(--um-teal-50);
    color: var(--um-teal-700);
    border-left-color: var(--um-teal-500);
}

.um-nav-link-admin:hover {
    background: var(--um-amber-50);
    color: var(--um-amber-600);
}

.um-nav-link-admin.active {
    background: var(--um-amber-50);
    color: var(--um-amber-700);
    border-left-color: var(--um-amber-500);
}

/* Access Badges */
.um-nav-access-badge {
    margin-left: auto;
    font-size: var(--um-text-xs);
    padding: 2px 6px;
}

/* Navigation Divider */
.um-nav-divider {
    height: 1px;
    background: var(--um-gray-200);
    margin: var(--um-space-4) var(--um-space-6);
}

/* Navigation Info Item */
.um-nav-info-item {
    margin: 0 var(--um-space-3);
    padding: var(--um-space-3);
    border-radius: var(--um-radius-md);
    background: var(--um-blue-50);
    border: 1px solid var(--um-blue-200);
    color: var(--um-blue-700);
    font-size: var(--um-text-sm);
    display: flex;
    align-items: center;
    gap: var(--um-space-2);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .um-nav-toggle {
        display: flex;
    }
    
    .um-nav-scrollable {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        z-index: 1000;
        transition: transform 0.3s ease;
        background: white;
        box-shadow: var(--um-shadow-lg);
    }
    
    .um-nav-toggler:checked ~ .um-nav-scrollable {
        transform: translateX(280px);
    }
    
    /* Overlay when mobile nav is open */
    .um-nav-toggler:checked ~ .um-nav-scrollable::before {
        content: '';
        position: fixed;
        top: 0;
        right: -100vw;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }
    
    .um-nav-item {
        margin: 0 var(--um-space-2);
    }
    
    .um-nav-link {
        padding: var(--um-space-4) var(--um-space-3);
        font-size: var(--um-text-base);
    }
}

/* Keyboard Navigation Enhancement */
.um-nav-link:focus-visible {
    outline: 2px solid var(--um-brand-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(27, 110, 194, 0.1);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .um-nav-link {
        border: 1px solid transparent;
    }
    
    .um-nav-link:hover,
    .um-nav-link:focus {
        border-color: currentColor;
    }
    
    .um-nav-link.active {
        border: 2px solid currentColor;
        border-left-width: 4px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .um-nav-link {
        transition: none;
    }
    
    .um-nav-link:hover {
        transform: none;
    }
    
    .um-nav-scrollable {
        transition: none;
    }
}

/* Print Styles */
@media print {
    .um-nav-header,
    .um-nav-scrollable {
        display: none;
    }
}