/* ============================================
   DHH - Navigation & Sidebar Styles
   ============================================ */

/* NAVBAR */
.navbar {
    position: sticky;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    z-index: var(--z-sticky);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-base);
}

.navbar-logo:hover {
    transform: scale(1.02);
}

.logo-box {
    width: 42px;
    height: 42px;
    background: var(--gradient-teal);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.3rem;
    color: var(--color-black);
    box-shadow: 0 0 20px var(--teal-glow);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    color: var(--color-gray-5);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-teal);
    transition: var(--transition-base);
    border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
    color: var(--teal-light);
    background: rgba(0, 128, 128, 0.1);
}

.nav-link.active::after {
    width: 80%;
}

.nav-link:hover::after {
    width: 80%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* MOBILE MENU */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: var(--z-dropdown);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    display: block;
    padding: 15px;
    color: var(--color-gray-5);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.mobile-menu a:hover {
    background: rgba(0, 128, 128, 0.1);
    color: var(--teal-light);
}

/* SIDEBAR DASHBOARD */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    padding-top: 70px;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 70px;
    width: 280px;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-xl);
    overflow-y: auto;
    transition: var(--transition-base);
    z-index: var(--z-sticky);
}

.sidebar-section {
    margin-bottom: var(--space-2xl);
}

.sidebar-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-4);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--color-gray-5);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-teal);
    transform: scaleY(0);
    transition: var(--transition-base);
    border-radius: var(--radius-full);
}

.sidebar-link:hover {
    background: rgba(0, 128, 128, 0.1);
    color: var(--teal-light);
    transform: translateX(5px);
}

.sidebar-link.active {
    background: rgba(0, 128, 128, 0.15);
    color: var(--teal-light);
}

.sidebar-link.active::before {
    transform: scaleY(1);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: var(--space-xl);
}

.sidebar-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--gradient-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-black);
}

.sidebar-user-info {
    flex: 1;
}

.sidebar-user-name {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 4px;
}

.sidebar-user-role {
    font-size: 0.85rem;
    color: var(--color-gray-5);
}

.sidebar-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: var(--space-lg) 0;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--space-2xl);
    min-height: calc(100vh - 70px);
}

/* MAIN CONTENT AREA */
.content-header {
    margin-bottom: var(--space-2xl);
}

.content-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.content-subtitle {
    color: var(--color-gray-5);
    font-size: 1.1rem;
    max-width: 600px;
}

/* STATS CARDS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--color-dark-2);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--teal-bg) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-base);
}

.stat-card:hover {
    border-color: var(--teal-border);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    background: var(--teal-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--teal-light);
    margin-bottom: var(--space-lg);
}

.stat-card-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--teal-light);
    margin-bottom: var(--space-xs);
}

.stat-card-label {
    color: var(--color-gray-5);
    font-size: 0.95rem;
}

.stat-card-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(0, 255, 128, 0.1);
    color: #00ff80;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: var(--space-md);
}

.stat-card-change.negative {
    background: rgba(255, 100, 100, 0.1);
    color: #ff6464;
}

/* SECTION STYLES */
.content-section {
    margin-bottom: var(--space-3xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 1.5rem;
}

.section-actions {
    display: flex;
    gap: var(--space-md);
}

/* ACTIVITY FEED */
.activity-feed {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.activity-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.activity-item:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(0, 128, 128, 0.2);
}

.activity-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.activity-description {
    color: var(--color-gray-5);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.activity-time {
    font-size: 0.85rem;
    color: var(--color-gray-4);
}

.activity-meta {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.activity-tag {
    padding: 4px 12px;
    background: rgba(0, 128, 128, 0.15);
    color: var(--teal-light);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .navbar-nav {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 5%;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .main-content {
        padding: var(--space-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
}

/* OVERLAY */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: calc(var(--z-sticky) - 1);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}