/* ========================================
   MODERN DASHBOARD STYLES
   Clean, Responsive Dashboard Components
   ======================================== */

/* ========== DASHBOARD LAYOUT ========== */
.dashboard-layout {
    min-height: 100vh;
    background: var(--surface-variant);
}

.dashboard-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--surface);
    border-bottom: 1px solid var(--outline-variant);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.dashboard-main {
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

.dashboard-sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--outline-variant);
    overflow-y: auto;
    transition: transform var(--transition-normal);
}

.dashboard-content {
    flex: 1;
    overflow-y: auto;
    background: var(--surface-variant);
}

/* Mobile Sidebar */
@media (max-width: 1023px) {
    .dashboard-sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        height: calc(100vh - var(--header-height));
        z-index: 30;
        transform: translateX(-100%);
    }
    
    .dashboard-sidebar.open {
        transform: translateX(0);
    }
    
    .dashboard-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 25;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .dashboard-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ========== STATS GRID ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-card-info {
    flex: 1;
}

.stat-card-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface-variant);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--on-surface);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-1);
}

.stat-card-change {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.stat-card-change.positive {
    color: var(--success-600);
}

.stat-card-change.negative {
    color: var(--error-600);
}

.stat-card-change.neutral {
    color: var(--on-surface-variant);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

/* ========== MENU GRID ========== */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

@media (max-width: 640px) {
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
}

@media (max-width: 480px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }
}

.menu-card {
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-decoration: none;
    color: var(--on-surface);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 140px;
    position: relative;
    overflow: hidden;
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(14, 165, 233, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.menu-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.menu-card:hover::before {
    opacity: 1;
}

.menu-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-4);
    transition: transform var(--transition-normal);
}

.menu-card:hover .menu-card-icon {
    transform: scale(1.1);
}

.menu-card-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--on-surface);
    margin-bottom: var(--space-2);
}

.menu-card-description {
    font-size: var(--font-size-sm);
    color: var(--on-surface-variant);
    line-height: var(--line-height-relaxed);
}

/* ========== DASHBOARD PANELS ========== */
.dashboard-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
    .dashboard-panels {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

.panel {
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--outline-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--on-surface);
}

.panel-badge {
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

[data-theme="dark"] .panel-badge {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-400);
}

.panel-content {
    padding: var(--space-6);
    max-height: 400px;
    overflow-y: auto;
}

/* ========== ACTIVITY ITEMS ========== */
.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-fast);
    margin-bottom: var(--space-2);
}

.activity-item:hover {
    background: var(--surface-variant);
}

.activity-item:last-child {
    margin-bottom: 0;
}

.activity-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.activity-detail {
    flex: 1;
    min-width: 0;
}

.activity-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface);
    margin-bottom: var(--space-1);
    line-height: var(--line-height-tight);
}

.activity-subtitle {
    font-size: var(--font-size-xs);
    color: var(--on-surface-variant);
    line-height: var(--line-height-tight);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--on-surface-variant);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ========== ANNOUNCEMENT ITEMS ========== */
.announcement-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-fast);
    margin-bottom: var(--space-3);
}

.announcement-item:hover {
    background: var(--surface-variant);
}

.announcement-item:last-child {
    margin-bottom: 0;
}

.announcement-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    flex-shrink: 0;
    margin-top: var(--space-1);
}

[data-theme="dark"] .announcement-icon {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-400);
}

.announcement-content {
    flex: 1;
    min-width: 0;
}

.announcement-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface);
    margin-bottom: var(--space-2);
    line-height: var(--line-height-normal);
}

.announcement-meta {
    font-size: var(--font-size-xs);
    color: var(--on-surface-variant);
    line-height: var(--line-height-tight);
}

/* ========== QUICK ACTIONS ========== */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--outline-variant);
}

.quick-chip {
    background: var(--surface-variant);
    color: var(--on-surface-variant);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-chip:hover {
    background: var(--primary-100);
    color: var(--primary-700);
}

[data-theme="dark"] .quick-chip:hover {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-400);
}

/* ========== USER ONLINE ========== */
.user-online {
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.active-user-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    transition: background-color var(--transition-fast);
}

.active-user-item:hover {
    background: var(--surface-variant);
}

.active-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    flex-shrink: 0;
    position: relative;
}

.active-avatar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 12px;
    height: 12px;
    background: var(--success-500);
    border: 2px solid var(--surface);
    border-radius: var(--radius-full);
}

.active-detail {
    flex: 1;
    min-width: 0;
}

.active-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface);
    margin-bottom: var(--space-1);
    line-height: var(--line-height-tight);
}

.active-status {
    font-size: var(--font-size-xs);
    color: var(--success-600);
    line-height: var(--line-height-tight);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.active-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success-500);
    border-radius: var(--radius-full);
}

/* ========== VIEW ALL BUTTON ========== */
.btn-view-all {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--space-3);
    background: var(--surface-variant);
    color: var(--on-surface-variant);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.btn-view-all:hover {
    background: var(--primary-100);
    color: var(--primary-700);
}

[data-theme="dark"] .btn-view-all:hover {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-400);
}

/* ========== SECTION TITLES ========== */
.section-title {
    margin-bottom: var(--space-6);
}

.section-title h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--on-background);
    margin-bottom: var(--space-2);
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: var(--on-surface-variant);
    line-height: var(--line-height-relaxed);
}

/* ========== RESPONSIVE ADJUSTMENTS ========== */
@media (max-width: 640px) {
    .dashboard-content {
        padding: var(--space-4);
    }
    
    .stats-grid {
        margin-bottom: var(--space-6);
    }
    
    .stat-card {
        padding: var(--space-4);
    }
    
    .stat-card-value {
        font-size: var(--font-size-2xl);
    }
    
    .menu-card {
        padding: var(--space-4);
        min-height: 120px;
    }
    
    .menu-card-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-3);
    }
    
    .panel-header,
    .panel-content {
        padding: var(--space-4);
    }
    
    .activity-item,
    .announcement-item {
        padding: var(--space-3);
    }
    
    .section-title h2 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .dashboard-content {
        padding: var(--space-3);
    }
    
    .stat-card-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .stat-card-icon {
        order: -1;
    }
    
    .menu-card {
        min-height: 100px;
    }
    
    .activity-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
    
    .activity-time {
        justify-content: center;
    }
    
    .announcement-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
}

/* ========== LOADING STATES ========== */
.skeleton {
    background: linear-gradient(90deg, var(--surface-variant) 25%, var(--outline-variant) 50%, var(--surface-variant) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    border-radius: var(--radius-sm);
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.skeleton-card {
    height: 120px;
    border-radius: var(--radius-xl);
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus indicators */
.stat-card:focus-within,
.menu-card:focus,
.activity-item:focus-within,
.announcement-item:focus-within {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .stat-card,
    .menu-card,
    .panel {
        border-width: 2px;
    }
    
    .stat-card-icon,
    .menu-card-icon,
    .activity-avatar {
        border: 2px solid var(--on-surface);
    }
}
/* ========== LOGOUT BUTTON STYLES ========== */
.logout-sidebar-btn {
    border: none;
    background: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-sidebar-btn:hover {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: #dc2626 !important;
}

.logout-sidebar-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* User menu logout button improvements */
.user-menu-logout {
    transition: all 0.2s ease;
}

.user-menu-logout:hover {
    background-color: rgba(239, 68, 68, 0.1);
    transform: translateX(2px);
}

.user-menu-logout:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Sidebar logout section positioning */
.sidebar-nav .sidebar-section:last-child {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile logout button */
@media (max-width: 768px) {
    .logout-sidebar-btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}