/* 
 * AURA Navigation Components - Cleaned Version
 * Advanced User Repository & Archive - Navigation System
 * Version: 2.1.1 - Dropdown Conflicts Removed
 */

/* ========== MAIN AURA NAVBAR ========== */

.aura-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: 
        var(--gradient-header),
        rgba(7, 7, 18, 0.95);
    backdrop-filter: blur(25px);
    border-bottom: none;
    z-index: var(--z-navbar);
    transition: all var(--transition-normal);
}

.navbar-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

/* ========== NAVBAR BRAND ========== */

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    font-size: 1.2rem;
    box-shadow: 0 0 15px rgba(38, 198, 218, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.brand-primary {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-teal);
    line-height: 1;
}

.brand-secondary {
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1;
}

/* ========== MAIN NAVIGATION ========== */

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid transparent;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(38, 198, 218, 0.1), 
        transparent);
    transition: left var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-teal);
    border-color: rgba(38, 198, 218, 0.3);
    background: rgba(38, 198, 218, 0.05);
    box-shadow: 0 0 10px rgba(38, 198, 218, 0.2);
    transform: translateY(-2px);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link.active {
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.1);
    border-color: rgba(38, 198, 218, 0.4);
    box-shadow: 0 0 15px rgba(38, 198, 218, 0.3);
}

.nav-icon {
    font-size: 0.9rem;
    transition: transform var(--transition-fast);
}

.nav-link:hover .nav-icon {
    transform: scale(1.1);
}

.nav-text {
    font-family: var(--font-body);
}

/* ========== NAVBAR STATUS ========== */

.navbar-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(165, 214, 167, 0.1);
    border: 1px solid rgba(165, 214, 167, 0.3);
    border-radius: var(--border-radius-sm);
}

.status-text {
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: var(--color-mint);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timestamp-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
}

/* ========== MOBILE MENU TOGGLE ========== */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
    border-color: var(--color-teal);
    background: rgba(38, 198, 218, 0.05);
}

.menu-line {
    width: 20px;
    height: 2px;
    background: var(--color-text-secondary);
    margin: 2px 0;
    transition: all var(--transition-fast);
    border-radius: 1px;
}

.mobile-menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: var(--color-teal);
}

.mobile-menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background: var(--color-teal);
}

/* ========== APP SUB-NAVIGATION SYSTEM ========== */

.app-subnav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    height: 70px; /* Increased from 60px for better proportions */
    background: 
        var(--gradient-glass),
        rgba(13, 13, 31, 0.4);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        0 0 15px rgba(179, 157, 219, 0.05);
    z-index: calc(var(--z-navbar) - 1);
    transition: all var(--transition-normal);
}

.app-subnav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 20%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.1) 80%, 
        transparent 100%);
}

.subnav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    max-width: 100%;
    overflow: hidden;
    padding: var(--spacing-sm);
}

/* ========== SUB-NAV LEFT SECTION ========== */

.subnav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    min-width: 0;
}

.subnav-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    min-width: 180px;
    flex-shrink: 0;
}

.subnav-title-icon {
    font-size: 1rem;
    color: var(--color-teal);
}

.subnav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    /* overflow-x: auto; */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.subnav-links::-webkit-scrollbar {
    display: none;
}

.subnav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg); /* Increased padding */
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem; /* Slightly larger font */
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    min-height: 44px; /* Ensure good touch targets */
}

.subnav-link::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-teal);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.subnav-link:hover {
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.05);
    border-color: rgba(38, 198, 218, 0.2);
    transform: translateY(-1px);
}

.subnav-link:hover::before {
    width: 80%;
}

.subnav-link.active {
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.1);
    border-color: rgba(38, 198, 218, 0.3);
    box-shadow: 0 0 10px rgba(38, 198, 218, 0.2);
}

.subnav-link.active::before {
    width: 100%;
    background: var(--color-teal);
}

.subnav-icon {
    font-size: 0.9rem; /* Larger icons */
    transition: transform var(--transition-fast);
}

.subnav-link:hover .subnav-icon {
    transform: scale(1.1);
}

/* ========== CATEGORY NAVIGATION STYLES ========== */

.category-nav-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    max-width: 400px;
}

.category-scroll-btn {
    width: 32px;
    height: 32px;
    background: rgba(179, 157, 219, 0.1);
    border: 1px solid rgba(179, 157, 219, 0.3);
    border-radius: 50%;
    color: var(--color-lavender);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.category-scroll-btn:hover {
    background: rgba(179, 157, 219, 0.2);
    transform: scale(1.05);
}

.category-scroll-btn:active {
    transform: scale(0.95);
}

.category-nav-scroll {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-behavior: smooth;
    padding: var(--spacing-xs) 0;
    flex: 1;
}

.category-nav-scroll::-webkit-scrollbar {
    display: none;
}

.category-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    position: relative;
    min-width: 70px;
    flex-shrink: 0;
    cursor: pointer;
}

.category-nav-item:hover {
    background: rgba(179, 157, 219, 0.05);
    transform: translateY(-2px);
}

.category-nav-item.active {
    background: rgba(179, 157, 219, 0.1);
    border: 1px solid rgba(179, 157, 219, 0.3);
}

.category-nav-item.active::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: var(--color-lavender);
    border-radius: 1px;
}

.category-hexagon {
    width: 28px;
    height: 28px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-hexagon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 26px;
    height: 26px;
    background: var(--hex-color, var(--color-lavender));
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.category-nav-item:hover .category-hexagon::before {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.category-nav-item.active .category-hexagon::before {
    opacity: 1;
    box-shadow: 0 0 15px var(--hex-color, var(--color-lavender));
}

.hexagon-text {
    position: relative;
    z-index: 1;
    font-family: var(--font-code);
    font-size: 0.6rem;
    color: var(--color-text);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1;
}

.category-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-align: center;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 65px;
    transition: color var(--transition-fast);
}

.category-nav-item:hover .category-label {
    color: var(--color-lavender);
}

.category-nav-item.active .category-label {
    color: var(--color-lavender);
    font-weight: 600;
}

/* Category hover effects */
.category-nav-item:hover .hexagon-text {
    animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Scanning effect for active category */
.category-nav-item.active {
    position: relative;
    overflow: hidden;
}

.category-nav-item.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(179, 157, 219, 0.2) 50%, 
        transparent 100%);
    animation: categoryScan 3s linear infinite;
    pointer-events: none;
}

@keyframes categoryScan {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ========== SUB-NAV RIGHT SECTION ========== */

.subnav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    max-width: 50%;
}

.subnav-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    flex-shrink: 1;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    padding: 0 var(--spacing-sm);
}

/* .stat {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
} */



.stat-item i {
    font-size: 0.7rem;
    color: var(--color-teal);
}

.stat-value {
    color: var(--color-teal);
    font-weight: 600;
    font-size: 0.9rem; /* Slightly larger */
}

.stat-label {
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
}

.stat-separator {
    color: var(--color-text-tertiary);
    opacity: 0.5;
    margin: 0 var(--spacing-xs);
}

.subnav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.subnav-action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(38, 198, 218, 0.08);
    border: 1px solid rgba(38, 198, 218, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--color-teal);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    cursor: pointer;
    min-height: 36px; /* Better touch targets */
}

.subnav-action-btn:hover {
    background: rgba(38, 198, 218, 0.15);
    color: var(--color-teal);
    transform: translateY(-1px);
    box-shadow: 0 0 8px rgba(38, 198, 218, 0.3);
}

.subnav-action-btn.active {
    background: rgba(38, 198, 218, 0.2);
    box-shadow: 0 0 12px rgba(38, 198, 218, 0.4);
}

.subnav-action-btn i {
    font-size: 0.8rem;
}

/* ========== APP-SPECIFIC SUB-NAV VARIANTS ========== */

/* Core Sub-Nav (Home/Dashboard) */
.core-subnav .subnav-title,
.core-subnav .subnav-title-icon {
    color: var(--color-teal);
}

.core-subnav .subnav-link::before {
    background: var(--color-teal);
}

.core-subnav .subnav-link:hover {
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.05);
    border-color: rgba(38, 198, 218, 0.2);
}

.core-subnav .subnav-link.active {
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.1);
    border-color: rgba(38, 198, 218, 0.3);
}

.core-subnav .stat-value,
.core-subnav .stat-item i {
    color: var(--color-teal);
}

.core-subnav .subnav-action-btn {
    background: rgba(38, 198, 218, 0.08);
    border-color: rgba(38, 198, 218, 0.2);
    color: var(--color-teal);
}

.core-subnav .subnav-action-btn:hover {
    background: rgba(38, 198, 218, 0.15);
    box-shadow: 0 0 8px rgba(38, 198, 218, 0.3);
}

/* DataLogs Sub-Nav */
.datalogs-subnav .subnav-title,
.datalogs-subnav .subnav-title-icon {
    color: var(--color-lavender);
}

.datalogs-subnav .subnav-link::before {
    background: var(--color-lavender);
}

.datalogs-subnav .subnav-link:hover {
    color: var(--color-lavender);
    background: rgba(179, 157, 219, 0.05);
    border-color: rgba(179, 157, 219, 0.2);
}

.datalogs-subnav .subnav-link.active {
    color: var(--color-lavender);
    background: rgba(179, 157, 219, 0.1);
    border-color: rgba(179, 157, 219, 0.3);
}

.datalogs-subnav .stat-value,
.datalogs-subnav .stat-item i {
    color: var(--color-lavender);
}

.datalogs-subnav .subnav-action-btn {
    background: rgba(179, 157, 219, 0.08);
    border-color: rgba(179, 157, 219, 0.2);
    color: var(--color-lavender);
}

.datalogs-subnav .subnav-action-btn:hover {
    background: rgba(179, 157, 219, 0.15);
    box-shadow: 0 0 8px rgba(179, 157, 219, 0.3);
}

/* Systems Sub-Nav */
.systems-subnav .subnav-title,
.systems-subnav .subnav-title-icon {
    color: var(--color-coral);
}

.systems-subnav .subnav-link::before {
    background: var(--color-coral);
}

.systems-subnav .subnav-link:hover {
    color: var(--color-coral);
    background: rgba(255, 138, 128, 0.05);
    border-color: rgba(255, 138, 128, 0.2);
}

.systems-subnav .subnav-link.active {
    color: var(--color-coral);
    background: rgba(255, 138, 128, 0.1);
    border-color: rgba(255, 138, 128, 0.3);
}

.systems-subnav .stat-value,
.systems-subnav .stat-item i {
    color: var(--color-coral);
}

.systems-subnav .subnav-action-btn {
    background: rgba(255, 138, 128, 0.08);
    border-color: rgba(255, 138, 128, 0.2);
    color: var(--color-coral);
}

.systems-subnav .subnav-action-btn:hover {
    background: rgba(255, 138, 128, 0.15);
    box-shadow: 0 0 8px rgba(255, 138, 128, 0.3);
}

/* ========== SCANNING LINE EFFECT ========== */

.subnav-scanning-line {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(38, 198, 218, 0.1) 50%, 
        transparent 100%);
    animation: scanHorizontal 4s linear infinite;
    pointer-events: none;
    opacity: 0.6;
}

.datalogs-subnav .subnav-scanning-line {
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(179, 157, 219, 0.1) 50%, 
        transparent 100%);
}

.systems-subnav .subnav-scanning-line {
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 138, 128, 0.1) 50%, 
        transparent 100%);
}

/* ========== BREADCRUMB NAVIGATION ========== */

.core-breadcrumbs,
.datalogs-breadcrumbs,
.systems-breadcrumbs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    /* margin-top: 140px; Account for both navs - 70px + 70px */
    font-family: var(--font-code);
    font-size: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.breadcrumb-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb-item {
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    white-space: nowrap;
}

.breadcrumb-item:hover {
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.05);
}

.breadcrumb-item.active {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.breadcrumb-separator {
    color: var(--color-text-tertiary);
    opacity: 0.5;
    margin: 0 var(--spacing-xs);
    font-size: 0.7rem;
}

.breadcrumb-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

.system-id,
.category-code,
.type-code {
    font-family: var(--font-code);
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    margin-left: var(--spacing-xs);
}

/* Breadcrumb Actions */
.breadcrumb-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-md);
}

.breadcrumb-nav-btn {
    width: 28px;
    height: 28px;
    background: rgba(179, 157, 219, 0.1);
    border: 1px solid rgba(179, 157, 219, 0.3);
    border-radius: 50%;
    color: var(--color-lavender);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all var(--transition-fast);
}

.breadcrumb-nav-btn:hover {
    background: rgba(179, 157, 219, 0.2);
    transform: scale(1.1);
    color: var(--color-lavender);
}

/* ========== CONTENT AREA ADJUSTMENTS ========== */

.core-interface-container,
.datalogs-interface-container,
.systems-interface-container {
    min-height: calc(100vh - 140px);
}

/* ========== MOBILE RESPONSIVE ========== */

@media (max-width: 1200px) {
    .category-nav-container {
        max-width: 300px;
    }
    
    .category-nav-item {
        min-width: 60px;
    }
    
    .category-hexagon {
        width: 24px;
        height: 24px;
    }
    
    .category-hexagon::before {
        width: 22px;
        height: 22px;
    }
    
    .hexagon-text {
        font-size: 0.55rem;
    }
    
    .category-label {
        font-size: 0.7rem;
        max-width: 55px;
    }
    
    .subnav-stats {
        gap: var(--spacing-xs);
    }
    
    .subnav-actions {
        gap: 0.25rem;
    }
    
    .subnav-action-btn {
        padding: 0.2rem 0.4rem;
        font-size: 0.7rem;
    }
    
    .subnav-action-btn span {
        display: none; /* Hide text, show only icons */
    }
}

@media (max-width: 991px) {
    .aura-navbar {
        height: 60px;
    }
    
    .app-subnav {
        top: 60px;
        height: auto;
        min-height: 80px; /* Allow for wrapping */
    }
    
    .subnav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
        padding: var(--spacing-md) 0;
    }
    
    .subnav-left {
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .subnav-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .category-nav-container {
        max-width: 100%;
        order: 3; /* Move categories to bottom */
    }
    
    .subnav-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .subnav-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .subnav-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .core-breadcrumbs,
    .datalogs-breadcrumbs,
    .systems-breadcrumbs {
        margin-top: 160px; /* Account for taller mobile nav */
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    main {
        padding-top: calc(160px + var(--spacing-lg));
    }
}

@media (max-width: 767px) {
    .category-scroll-btn {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }
    
    .category-nav-item {
        min-width: 50px;
        padding: var(--spacing-xs);
    }
    
    .category-hexagon {
        width: 20px;
        height: 20px;
    }
    
    .category-hexagon::before {
        width: 18px;
        height: 18px;
    }
    
    .hexagon-text {
        font-size: 0.5rem;
    }
    
    .category-label {
        font-size: 0.65rem;
        max-width: 45px;
    }
    
    .subnav-title {
        font-size: 0.9rem;
        text-align: center;
    }
    
    .subnav-link {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .subnav-stats {
        font-size: 0.7rem;
        gap: var(--spacing-xs);
    }
    
    .stat-separator {
        display: none;
    }
    
    .subnav-action-btn {
        min-height: 32px;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    .subnav-action-btn span {
        display: inline; /* Show text again on mobile */
    }
    
    .breadcrumb-status {
        width: 100%;
        justify-content: space-between;
    }
    
    /* Show only essential stats on mobile */
    .stat-item:nth-child(n+5) {
        display: none;
    }
}

@media (max-width: 576px) {
    .category-nav-container {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .category-nav-scroll {
        padding: var(--spacing-xs);
        justify-content: flex-start;
    }
    
    .category-scroll-btn {
        display: none; /* Hide scroll buttons on very small screens */
    }
    
    .subnav-left {
        align-items: center;
    }
    
    .subnav-right {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .subnav-stats {
        order: 2;
        justify-content: center;
    }
    
    .subnav-actions {
        order: 1;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .stat-separator {
        display: none;
    }
    
    /* Show only 2 stats on very small screens */
    .stat-item:nth-child(n+3) {
        display: none;
    }
}

/* ========== ANIMATIONS ========== */

@keyframes scanHorizontal {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ========== ACCESSIBILITY ENHANCEMENTS ========== */

.category-nav-item:focus {
    outline: 2px solid var(--color-lavender);
    outline-offset: 2px;
    background: rgba(179, 157, 219, 0.1);
}

.category-scroll-btn:focus {
    outline: 2px solid var(--color-lavender);
    outline-offset: 2px;
}

.nav-link:focus,
.subnav-link:focus,
.subnav-action-btn:focus,
.mobile-menu-toggle:focus {
    outline: 2px solid var(--color-teal);
    outline-offset: 2px;
}

/* ========== HIGH CONTRAST MODE ========== */

@media (prefers-contrast: high) {
    .aura-navbar,
    .app-subnav {
        border-width: 2px;
        backdrop-filter: none;
        background: rgba(7, 7, 18, 0.95);
    }
    
    .nav-link,
    .subnav-link {
        border-width: 2px;
    }
    
    .category-hexagon::before {
        border: 2px solid var(--color-text);
    }
    
    .category-nav-item {
        border: 1px solid transparent;
    }
    
    .category-nav-item:hover,
    .category-nav-item.active {
        border-color: var(--color-lavender);
    }
}

/* ========== REDUCED MOTION ========== */

@media (prefers-reduced-motion: reduce) {
    .nav-link,
    .subnav-link,
    .mobile-menu-toggle .menu-line,
    .category-nav-item,
    .category-hexagon::before,
    .category-scroll-btn {
        transition: none;
        animation: none;
    }
    
    .category-nav-item:hover .category-hexagon::before {
        transform: translate(-50%, -50%);
    }
    
    .category-nav-item:hover .hexagon-text {
        animation: none;
    }
    
    .category-nav-item.active::after {
        animation: none;
    }
    
    .subnav-scanning-line {
        animation: none;
    }
}

/* ========== LOADING STATES ========== */

.category-nav-loading {
    pointer-events: none;
    opacity: 0.6;
}

.category-nav-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(179, 157, 219, 0.3);
    border-top: 2px solid var(--color-lavender);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

.subnav-loading {
    pointer-events: none;
    opacity: 0.6;
}

.subnav-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top: 2px solid var(--color-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translateY(-50%);
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}