/* ===== MODERN MOBILE-FIRST RESPONSIVE DESIGN ===== */
/* Comprehensive mobile optimization for Real Estate Management System */

/* ===== CSS CUSTOM PROPERTIES (VARIABLES) ===== */
:root {
    --mobile-primary: #6777ef;
    --mobile-primary-dark: #5a6fd8;
    --mobile-secondary: #6c757d;
    --mobile-success: #28a745;
    --mobile-danger: #dc3545;
    --mobile-warning: #ffc107;
    --mobile-info: #17a2b8;
    --mobile-light: #f8f9fa;
    --mobile-dark: #343a40;
    
    --mobile-border-radius: 12px;
    --mobile-border-radius-sm: 8px;
    --mobile-border-radius-lg: 16px;
    
    --mobile-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --mobile-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --mobile-shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    --mobile-spacing-xs: 4px;
    --mobile-spacing-sm: 8px;
    --mobile-spacing-md: 16px;
    --mobile-spacing-lg: 24px;
    --mobile-spacing-xl: 32px;
    
    --mobile-font-size-xs: 0.75rem;
    --mobile-font-size-sm: 0.875rem;
    --mobile-font-size-base: 1rem;
    --mobile-font-size-lg: 1.125rem;
    --mobile-font-size-xl: 1.25rem;
    --mobile-font-size-2xl: 1.5rem;
    
    --mobile-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --mobile-transition-fast: all 0.15s ease;
}

/* ===== MOBILE-FIRST BASE STYLES ===== */
* {
    box-sizing: border-box;
}

body {
    font-size: var(--mobile-font-size-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ===== ENHANCED MOBILE NAVIGATION ===== */
@media (max-width: 768px) {
    /* Main Navigation Bar */
    .main-navbar {
        height: 60px !important;
        padding: 0 var(--mobile-spacing-md);
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        box-shadow: var(--mobile-shadow);
        position: sticky;
        top: 0;
        z-index: 1030;
    }
    
    .navbar-nav .nav-link {
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-sm);
        border-radius: var(--mobile-border-radius-sm);
        transition: var(--mobile-transition);
    }
    
    .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
        transform: translateY(-1px);
    }
    
    /* Sidebar Toggle Button */
    .sidebar-toggle {
        background: rgba(255, 255, 255, 0.1) !important;
        border: none !important;
        border-radius: var(--mobile-border-radius-sm) !important;
        padding: var(--mobile-spacing-sm) !important;
        color: white !important;
        transition: var(--mobile-transition) !important;
        cursor: pointer !important;
        -webkit-tap-highlight-color: transparent !important;
        touch-action: manipulation !important;
        user-select: none !important;
        -webkit-user-select: none !important;
        z-index: 1031 !important;
        position: relative !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        min-width: 40px !important;
        min-height: 40px !important;
    }
    
    .sidebar-toggle:hover,
    .sidebar-toggle:focus {
        background: rgba(255, 255, 255, 0.2) !important;
        transform: scale(1.05) !important;
        outline: none !important;
    }
    
    .sidebar-toggle:active {
        background: rgba(255, 255, 255, 0.3) !important;
        transform: scale(0.95) !important;
    }
    
    .sidebar-toggle i {
        font-size: 1.2rem !important;
        pointer-events: none !important;
    }
    
    /* Mobile action button specific styles */
    .mobile-action-btn.sidebar-toggle {
        background: rgba(255, 255, 255, 0.1) !important;
        border: none !important;
        border-radius: 8px !important;
        color: white !important;
        width: 40px !important;
        height: 40px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        transition: all 0.3s ease !important;
        position: relative !important;
        cursor: pointer !important;
        -webkit-tap-highlight-color: transparent !important;
        touch-action: manipulation !important;
        user-select: none !important;
        -webkit-user-select: none !important;
        z-index: 1031 !important;
    }
    
    .mobile-action-btn.sidebar-toggle:hover,
    .mobile-action-btn.sidebar-toggle:focus {
        background: rgba(255, 255, 255, 0.2) !important;
        transform: scale(1.05) !important;
        outline: none !important;
    }
    
    .mobile-action-btn.sidebar-toggle:active {
        background: rgba(255, 255, 255, 0.3) !important;
        transform: scale(0.95) !important;
    }
    
    /* Enhanced Sidebar */
    .main-sidebar {
        width: 280px !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-shadow: var(--mobile-shadow-xl) !important;
        background: white !important;
        border-right: none !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        height: 100vh !important;
        overflow-y: auto !important;
        z-index: 1030 !important;
        display: block !important;
        visibility: visible !important;
    }
    
    .main-sidebar.show {
        transform: translateX(0) !important;
        display: block !important;
        visibility: visible !important;
    }
    
    /* Ensure sidebar wrapper and content are visible */
    .main-sidebar #sidebar-wrapper,
    .main-sidebar .sidebar-menu,
    .main-sidebar .sidebar-brand {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: var(--mobile-transition);
        z-index: 1029;
    }
    
    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }
    
    /* Ensure sidebar is above overlay */
    .main-sidebar {
        z-index: 1030 !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        height: 100vh !important;
        overflow-y: auto !important;
    }
    
    /* Sidebar Brand */
    .sidebar-brand {
        padding: var(--mobile-spacing-lg);
        text-align: center;
        border-bottom: 1px solid #e9ecef;
    }
    
    .sidebar-brand img {
        max-width: 120px;
        height: auto;
    }
    
    /* Sidebar Menu */
    .sidebar-menu {
        padding: var(--mobile-spacing-md) 0;
    }
    
    .sidebar-menu .menu-header {
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-lg);
        font-size: var(--mobile-font-size-xs);
        font-weight: 600;
        text-transform: uppercase;
        color: var(--mobile-secondary);
        letter-spacing: 0.5px;
    }
    
    .sidebar-menu .nav-item {
        margin: 2px var(--mobile-spacing-md);
    }
    
    .sidebar-menu .nav-link {
        padding: var(--mobile-spacing-md) var(--mobile-spacing-lg);
        border-radius: var(--mobile-border-radius);
        color: var(--mobile-dark);
        font-weight: 500;
        transition: var(--mobile-transition);
        display: flex;
        align-items: center;
    }
    
    .sidebar-menu .nav-link:hover {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
        transform: translateX(4px);
    }
    
    .sidebar-menu .nav-link.active {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
        box-shadow: var(--mobile-shadow);
    }
    
    .sidebar-menu .nav-link i {
        width: 20px;
        margin-right: var(--mobile-spacing-md);
        text-align: center;
    }
}

/* ===== ENHANCED MOBILE CONTENT AREA ===== */
@media (max-width: 768px) {
    .main-content {
        padding: var(--mobile-spacing-md);
        margin-top: 0;
        min-height: calc(100vh - 60px);
    }
    
    /* Page Headers */
    .section-header {
        margin-bottom: var(--mobile-spacing-lg);
        padding-bottom: var(--mobile-spacing-md);
        border-bottom: 2px solid #e9ecef;
        display: flex;
        flex-direction: column;
        gap: var(--mobile-spacing-md);
    }
    
    .section-header h1 {
        font-size: var(--mobile-font-size-xl) !important;
        font-weight: 700;
        color: var(--mobile-dark);
        margin-bottom: 0 !important;
        line-height: 1.3;
    }
    
    .section-header-breadcrumb {
        display: flex;
        flex-wrap: wrap;
        gap: var(--mobile-spacing-sm);
    }
    
    .section-header-breadcrumb .btn {
        font-size: var(--mobile-font-size-sm);
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md);
        white-space: nowrap;
    }
    
    .section-title {
        font-size: var(--mobile-font-size-2xl);
        font-weight: 700;
        color: var(--mobile-dark);
        margin-bottom: var(--mobile-spacing-sm);
    }
    
    .section-description {
        color: var(--mobile-secondary);
        font-size: var(--mobile-font-size-sm);
    }
    
    /* Section Body */
    .section-body {
        padding: 0;
    }
    
    .section-body .card {
        margin-bottom: 0;
    }
    
    .section-body .card-body {
        padding: var(--mobile-spacing-md);
    }
}

/* ===== ENHANCED MOBILE CARDS ===== */
@media (max-width: 768px) {
    .card {
        border: none;
        border-radius: var(--mobile-border-radius-lg);
        box-shadow: var(--mobile-shadow);
        margin-bottom: var(--mobile-spacing-lg);
        overflow: hidden;
        transition: var(--mobile-transition);
    }
    
    .card:hover {
        box-shadow: var(--mobile-shadow-lg);
        transform: translateY(-2px);
    }
    
    .card-header {
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        border-bottom: 1px solid #dee2e6;
        padding: var(--mobile-spacing-lg);
        font-weight: 600;
        font-size: var(--mobile-font-size-lg);
    }
    
    .card-body {
        padding: var(--mobile-spacing-lg);
    }
    
    .card-footer {
        background: #f8f9fa;
        border-top: 1px solid #dee2e6;
        padding: var(--mobile-spacing-md) var(--mobile-spacing-lg);
    }
}

/* ===== ENHANCED MOBILE FORMS ===== */
@media (max-width: 768px) {
    .form-group {
        margin-bottom: var(--mobile-spacing-lg);
    }
    
    .form-label {
        font-weight: 600;
        color: var(--mobile-dark);
        margin-bottom: var(--mobile-spacing-sm);
        font-size: var(--mobile-font-size-sm);
    }
    
    .form-control {
        padding: var(--mobile-spacing-md);
        border: 2px solid #e9ecef;
        border-radius: var(--mobile-border-radius);
        font-size: var(--mobile-font-size-base);
        transition: var(--mobile-transition);
        background: white;
    }
    
    .form-control:focus {
        border-color: var(--mobile-primary);
        box-shadow: 0 0 0 0.2rem rgba(103, 119, 239, 0.25);
        transform: translateY(-1px);
    }
    
    .form-control.is-invalid {
        border-color: var(--mobile-danger);
        box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    }
    
    .form-control.is-valid {
        border-color: var(--mobile-success);
        box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
    }
    
    .invalid-feedback {
        font-size: var(--mobile-font-size-sm);
        color: var(--mobile-danger);
        margin-top: var(--mobile-spacing-xs);
    }
    
    .valid-feedback {
        font-size: var(--mobile-font-size-sm);
        color: var(--mobile-success);
        margin-top: var(--mobile-spacing-xs);
    }
    
    /* Input Groups */
    .input-group {
        border-radius: var(--mobile-border-radius);
        overflow: hidden;
        box-shadow: var(--mobile-shadow);
    }
    
    .input-group .form-control {
        border: none;
        box-shadow: none;
    }
    
    .input-group .form-control:focus {
        transform: none;
    }
    
    .input-group-text {
        background: var(--mobile-light);
        border: none;
        color: var(--mobile-secondary);
        font-weight: 500;
    }
    
    /* Select2 Mobile Optimization */
    .select2-container {
        width: 100% !important;
    }
    
    .select2-container .select2-selection--single {
        height: 48px !important;
        border: 2px solid #e9ecef !important;
        border-radius: var(--mobile-border-radius) !important;
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md) !important;
    }
    
    .select2-container .select2-selection--single .select2-selection__rendered {
        line-height: 44px !important;
        padding-left: 0 !important;
    }
    
    .select2-container .select2-selection--single .select2-selection__arrow {
        height: 44px !important;
    }
}

/* ===== ENHANCED MOBILE BUTTONS ===== */
@media (max-width: 768px) {
    .btn {
        padding: var(--mobile-spacing-md) var(--mobile-spacing-lg);
        border-radius: var(--mobile-border-radius);
        font-weight: 600;
        font-size: var(--mobile-font-size-sm);
        transition: var(--mobile-transition);
        border: none;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--mobile-spacing-sm);
    }
    
    .btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--mobile-shadow-lg);
    }
    
    .btn:active {
        transform: translateY(0);
    }
    
    .btn-primary {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, var(--mobile-primary-dark) 0%, #4c63d2 100%);
    }
    
    .btn-success {
        background: linear-gradient(135deg, var(--mobile-success) 0%, #218838 100%);
        color: white;
    }
    
    .btn-danger {
        background: linear-gradient(135deg, var(--mobile-danger) 0%, #c82333 100%);
        color: white;
    }
    
    .btn-warning {
        background: linear-gradient(135deg, var(--mobile-warning) 0%, #e0a800 100%);
        color: var(--mobile-dark);
    }
    
    .btn-info {
        background: linear-gradient(135deg, var(--mobile-info) 0%, #138496 100%);
        color: white;
    }
    
    .btn-secondary {
        background: linear-gradient(135deg, var(--mobile-secondary) 0%, #5a6268 100%);
        color: white;
    }
    
    .btn-light {
        background: linear-gradient(135deg, var(--mobile-light) 0%, #e2e6ea 100%);
        color: var(--mobile-dark);
        border: 1px solid #dee2e6;
    }
    
    .btn-outline-primary {
        border: 2px solid var(--mobile-primary);
        color: var(--mobile-primary);
        background: transparent;
    }
    
    .btn-outline-primary:hover {
        background: var(--mobile-primary);
        color: white;
    }
    
    /* Button Groups */
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: var(--mobile-spacing-sm);
    }
    
    .btn-group .btn {
        flex: 1;
        min-width: 0;
    }
    
    /* Button Sizes */
    .btn-sm {
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-xs);
        min-height: 36px;
    }
    
    .btn-lg {
        padding: var(--mobile-spacing-lg) var(--mobile-spacing-xl);
        font-size: var(--mobile-font-size-lg);
        min-height: 56px;
    }
    
    .btn-block {
        width: 100%;
        display: flex;
    }
}

/* ===== ENHANCED MOBILE TABLES ===== */
@media (max-width: 768px) {
    .table-responsive {
        border: none;
        border-radius: var(--mobile-border-radius-lg);
        overflow-x: auto !important;
        overflow-y: visible !important;
        box-shadow: var(--mobile-shadow);
        margin-bottom: var(--mobile-spacing-lg);
        display: block !important;
        visibility: visible !important;
        width: 100% !important;
    }
    
    .table {
        margin-bottom: 0;
        font-size: var(--mobile-font-size-sm);
        display: table !important;
        visibility: visible !important;
        width: 100% !important;
        border-collapse: separate !important;
        border-spacing: 0 !important;
    }
    
    .table thead {
        display: table-header-group !important;
        visibility: visible !important;
    }
    
    .table thead th {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
        border: none;
        padding: var(--mobile-spacing-md);
        font-weight: 600;
        text-transform: uppercase;
        font-size: var(--mobile-font-size-xs);
        letter-spacing: 0.5px;
        display: table-cell !important;
        visibility: visible !important;
    }
    
    .table tbody {
        display: table-row-group !important;
        visibility: visible !important;
    }
    
    .table tbody tr {
        display: table-row !important;
        visibility: visible !important;
    }
    
    .table tbody td {
        padding: var(--mobile-spacing-md);
        border-bottom: 1px solid #e9ecef;
        vertical-align: middle;
        display: table-cell !important;
        visibility: visible !important;
    }
    
    .table tbody tr:hover {
        background-color: rgba(103, 119, 239, 0.05);
    }
    
    .table tbody tr:last-child td {
        border-bottom: none;
    }
    
    /* Ensure DataTables elements are visible */
    .dataTables_wrapper {
        display: block !important;
        visibility: visible !important;
        width: 100% !important;
    }
    
    .dataTables_wrapper .dataTables_scroll {
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper .dataTables_scrollHead {
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper .dataTables_scrollBody {
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper table.dataTable {
        display: table !important;
        visibility: visible !important;
        width: 100% !important;
    }
    
    .dataTables_wrapper table.dataTable thead {
        display: table-header-group !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper table.dataTable tbody {
        display: table-row-group !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper table.dataTable thead th,
    .dataTables_wrapper table.dataTable tbody td {
        display: table-cell !important;
        visibility: visible !important;
    }
    
    /* Mobile Card View for Tables */
    .mobile-card-view {
        display: none;
    }
    
    .mobile-card {
        background: white;
        border-radius: var(--mobile-border-radius-lg);
        box-shadow: var(--mobile-shadow);
        margin-bottom: var(--mobile-spacing-md);
        overflow: hidden;
        transition: var(--mobile-transition);
    }
    
    .mobile-card:hover {
        box-shadow: var(--mobile-shadow-lg);
        transform: translateY(-2px);
    }
    
    .mobile-card-header {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
        padding: var(--mobile-spacing-md);
        font-weight: 600;
        font-size: var(--mobile-font-size-base);
    }
    
    .mobile-card-body {
        padding: var(--mobile-spacing-md);
    }
    
    .mobile-card-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--mobile-spacing-sm) 0;
        border-bottom: 1px solid #f1f3f4;
    }
    
    .mobile-card-item:last-child {
        border-bottom: none;
    }
    
    .mobile-card-label {
        font-weight: 600;
        color: var(--mobile-secondary);
        font-size: var(--mobile-font-size-sm);
    }
    
    .mobile-card-value {
        color: var(--mobile-dark);
        font-size: var(--mobile-font-size-sm);
        text-align: right;
        flex: 1;
        margin-left: var(--mobile-spacing-md);
    }
    
    .mobile-card-actions {
        padding: var(--mobile-spacing-md);
        background: #f8f9fa;
        display: flex;
        gap: var(--mobile-spacing-sm);
        flex-wrap: wrap;
    }
    
    .mobile-card-actions .btn {
        flex: 1;
        min-width: 0;
    }
}

/* ===== ENHANCED MOBILE MODALS ===== */
@media (max-width: 768px) {
    .modal-dialog {
        margin: var(--mobile-spacing-md);
        max-width: calc(100% - 2rem);
        max-height: calc(100vh - 2rem);
    }
    
    .modal-content {
        border: none;
        border-radius: var(--mobile-border-radius-lg);
        box-shadow: var(--mobile-shadow-xl);
        overflow: hidden;
    }
    
    .modal-header {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
        border-bottom: none;
        padding: var(--mobile-spacing-lg);
    }
    
    .modal-title {
        font-weight: 600;
        font-size: var(--mobile-font-size-lg);
    }
    
    .modal-body {
        padding: var(--mobile-spacing-lg);
        max-height: calc(100vh - 200px);
        overflow-y: auto;
    }
    
    .modal-footer {
        background: #f8f9fa;
        border-top: 1px solid #dee2e6;
        padding: var(--mobile-spacing-md) var(--mobile-spacing-lg);
        display: flex;
        gap: var(--mobile-spacing-sm);
    }
    
    .modal-footer .btn {
        flex: 1;
    }
    
    .close {
        color: white;
        opacity: 0.8;
        font-size: 1.5rem;
        transition: var(--mobile-transition);
    }
    
    .close:hover {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* ===== ENHANCED MOBILE ALERTS ===== */
@media (max-width: 768px) {
    .alert {
        border: none;
        border-radius: var(--mobile-border-radius);
        padding: var(--mobile-spacing-md) var(--mobile-spacing-lg);
        margin-bottom: var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-sm);
        box-shadow: var(--mobile-shadow);
    }
    
    .alert-primary {
        background: linear-gradient(135deg, rgba(103, 119, 239, 0.1) 0%, rgba(103, 119, 239, 0.05) 100%);
        color: var(--mobile-primary);
        border-left: 4px solid var(--mobile-primary);
    }
    
    .alert-success {
        background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(40, 167, 69, 0.05) 100%);
        color: var(--mobile-success);
        border-left: 4px solid var(--mobile-success);
    }
    
    .alert-danger {
        background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(220, 53, 69, 0.05) 100%);
        color: var(--mobile-danger);
        border-left: 4px solid var(--mobile-danger);
    }
    
    .alert-warning {
        background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
        color: #856404;
        border-left: 4px solid var(--mobile-warning);
    }
    
    .alert-info {
        background: linear-gradient(135deg, rgba(23, 162, 184, 0.1) 0%, rgba(23, 162, 184, 0.05) 100%);
        color: var(--mobile-info);
        border-left: 4px solid var(--mobile-info);
    }
}

/* ===== ENHANCED MOBILE PAGINATION ===== */
@media (max-width: 768px) {
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--mobile-spacing-xs);
        margin: var(--mobile-spacing-lg) 0;
    }
    
    .page-link {
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md);
        border: 2px solid #e9ecef;
        border-radius: var(--mobile-border-radius);
        color: var(--mobile-primary);
        font-weight: 500;
        transition: var(--mobile-transition);
        min-width: 44px;
        text-align: center;
    }
    
    .page-link:hover {
        background: var(--mobile-primary);
        color: white;
        border-color: var(--mobile-primary);
        transform: translateY(-1px);
    }
    
    .page-item.active .page-link {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        border-color: var(--mobile-primary);
        color: white;
    }
    
    .page-item.disabled .page-link {
        color: var(--mobile-secondary);
        border-color: #e9ecef;
        background: #f8f9fa;
    }
}

/* ===== ENHANCED MOBILE BADGES ===== */
@media (max-width: 768px) {
    .badge {
        padding: var(--mobile-spacing-xs) var(--mobile-spacing-sm);
        border-radius: var(--mobile-border-radius-sm);
        font-size: var(--mobile-font-size-xs);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .badge-primary {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
    }
    
    .badge-success {
        background: linear-gradient(135deg, var(--mobile-success) 0%, #218838 100%);
        color: white;
    }
    
    .badge-danger {
        background: linear-gradient(135deg, var(--mobile-danger) 0%, #c82333 100%);
        color: white;
    }
    
    .badge-warning {
        background: linear-gradient(135deg, var(--mobile-warning) 0%, #e0a800 100%);
        color: var(--mobile-dark);
    }
    
    .badge-info {
        background: linear-gradient(135deg, var(--mobile-info) 0%, #138496 100%);
        color: white;
    }
}

/* ===== ENHANCED MOBILE DROPDOWNS ===== */
@media (max-width: 768px) {
    .dropdown-menu {
        border: none;
        border-radius: var(--mobile-border-radius-lg);
        box-shadow: var(--mobile-shadow-xl);
        padding: var(--mobile-spacing-sm);
        min-width: 200px;
    }
    
    .dropdown-item {
        padding: var(--mobile-spacing-md);
        border-radius: var(--mobile-border-radius);
        font-size: var(--mobile-font-size-sm);
        transition: var(--mobile-transition);
        display: flex;
        align-items: center;
        gap: var(--mobile-spacing-sm);
    }
    
    .dropdown-item:hover {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
        transform: translateX(4px);
    }
    
    .dropdown-item i {
        width: 16px;
        text-align: center;
    }
    
    .dropdown-divider {
        margin: var(--mobile-spacing-sm) 0;
        border-color: #e9ecef;
    }
}

/* ===== ENHANCED MOBILE PROGRESS BARS ===== */
@media (max-width: 768px) {
    .progress {
        height: 8px;
        border-radius: var(--mobile-border-radius-sm);
        background: #e9ecef;
        overflow: hidden;
        box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    }
    
    .progress-bar {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        border-radius: var(--mobile-border-radius-sm);
        transition: width 0.6s ease;
    }
    
    .progress-bar-striped {
        background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
        background-size: 1rem 1rem;
    }
    
    .progress-bar-animated {
        animation: progress-bar-stripes 1s linear infinite;
    }
}

/* ===== ENHANCED MOBILE LOADING STATES ===== */
@media (max-width: 768px) {
    .spinner-border {
        width: 1.5rem;
        height: 1.5rem;
        border-width: 2px;
    }
    
    .spinner-border-sm {
        width: 1rem;
        height: 1rem;
        border-width: 1px;
    }
    
    .spinner-border-lg {
        width: 2rem;
        height: 2rem;
        border-width: 3px;
    }
    
    /* Loading overlay */
    .loading-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(4px);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 9999;
    }
    
    .loading-spinner {
        text-align: center;
    }
    
    .loading-spinner .spinner-border {
        color: var(--mobile-primary);
        margin-bottom: var(--mobile-spacing-md);
    }
    
    .loading-text {
        color: var(--mobile-secondary);
        font-size: var(--mobile-font-size-sm);
        font-weight: 500;
    }
}

/* ===== ENHANCED MOBILE UTILITIES ===== */
@media (max-width: 768px) {
    /* Text utilities */
    .text-truncate-mobile {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 200px;
    }
    
    /* Display utilities */
    .d-mobile-none {
        display: none !important;
    }
    
    .d-mobile-block {
        display: block !important;
    }
    
    .d-mobile-flex {
        display: flex !important;
    }
    
    .d-mobile-inline {
        display: inline !important;
    }
    
    .d-mobile-inline-block {
        display: inline-block !important;
    }
    
    /* Spacing utilities */
    .p-mobile-0 { padding: 0 !important; }
    .p-mobile-1 { padding: var(--mobile-spacing-xs) !important; }
    .p-mobile-2 { padding: var(--mobile-spacing-sm) !important; }
    .p-mobile-3 { padding: var(--mobile-spacing-md) !important; }
    .p-mobile-4 { padding: var(--mobile-spacing-lg) !important; }
    .p-mobile-5 { padding: var(--mobile-spacing-xl) !important; }
    
    .m-mobile-0 { margin: 0 !important; }
    .m-mobile-1 { margin: var(--mobile-spacing-xs) !important; }
    .m-mobile-2 { margin: var(--mobile-spacing-sm) !important; }
    .m-mobile-3 { margin: var(--mobile-spacing-md) !important; }
    .m-mobile-4 { margin: var(--mobile-spacing-lg) !important; }
    .m-mobile-5 { margin: var(--mobile-spacing-xl) !important; }
    
    /* Flex utilities */
    .flex-mobile-column {
        flex-direction: column !important;
    }
    
    .flex-mobile-row {
        flex-direction: row !important;
    }
    
    .justify-mobile-center {
        justify-content: center !important;
    }
    
    .justify-mobile-between {
        justify-content: space-between !important;
    }
    
    .align-mobile-center {
        align-items: center !important;
    }
    
    .align-mobile-start {
        align-items: flex-start !important;
    }
    
    .align-mobile-end {
        align-items: flex-end !important;
    }
}

/* ===== ENHANCED MOBILE ANIMATIONS ===== */
@media (max-width: 768px) {
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes slideInLeft {
        from {
            opacity: 0;
            transform: translateX(-20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes slideInRight {
        from {
            opacity: 0;
            transform: translateX(20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes pulse {
        0% {
            transform: scale(1);
        }
        50% {
            transform: scale(1.05);
        }
        100% {
            transform: scale(1);
        }
    }
    
    .animate-fade-in-up {
        animation: fadeInUp 0.5s ease-out;
    }
    
    .animate-fade-in-down {
        animation: fadeInDown 0.5s ease-out;
    }
    
    .animate-slide-in-left {
        animation: slideInLeft 0.5s ease-out;
    }
    
    .animate-slide-in-right {
        animation: slideInRight 0.5s ease-out;
    }
    
    .animate-pulse {
        animation: pulse 2s infinite;
    }
}

/* ===== ENHANCED MOBILE TOUCH INTERACTIONS ===== */
@media (max-width: 768px) {
    /* Touch-friendly elements */
    .touch-target {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Hover effects for touch devices */
    .btn:hover,
    .card:hover,
    .nav-link:hover {
        transform: none;
    }
    
    .btn:active,
    .card:active,
    .nav-link:active {
        transform: scale(0.98);
    }
    
    /* Focus states for accessibility */
    .btn:focus,
    .form-control:focus,
    .nav-link:focus {
        outline: 2px solid var(--mobile-primary);
        outline-offset: 2px;
    }
    
    /* Smooth scrolling */
    html {
        scroll-behavior: smooth;
    }
    
    /* Prevent zoom on input focus */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    input[type="url"],
    input[type="search"],
    textarea,
    select {
        font-size: 16px;
    }
}

/* ===== ENHANCED MOBILE DARK MODE SUPPORT ===== */
@media (max-width: 768px) and (prefers-color-scheme: dark) {
    :root {
        --mobile-primary: #7c3aed;
        --mobile-primary-dark: #6d28d9;
        --mobile-secondary: #9ca3af;
        --mobile-light: #1f2937;
        --mobile-dark: #f9fafb;
    }
    
    body {
        background-color: #111827;
        color: #f9fafb;
    }
    
    .card {
        background-color: #1f2937;
        border-color: #374151;
    }
    
    .form-control {
        background-color: #1f2937;
        border-color: #374151;
        color: #f9fafb;
    }
    
    .form-control:focus {
        background-color: #1f2937;
        border-color: var(--mobile-primary);
        color: #f9fafb;
    }
    
    .table {
        color: #f9fafb;
    }
    
    .table tbody tr:hover {
        background-color: rgba(124, 58, 237, 0.1);
    }
}

/* ===== ENHANCED MOBILE PRINT STYLES ===== */
@media print and (max-width: 768px) {
    .main-navbar,
    .main-sidebar,
    .sidebar-overlay,
    .btn,
    .pagination,
    .dropdown-menu {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
    
    .table {
        font-size: 12px !important;
    }
    
    .table th,
    .table td {
        padding: 4px !important;
    }
}

/* ===== ENHANCED MOBILE ACCESSIBILITY ===== */
@media (max-width: 768px) {
    /* High contrast mode support */
    @media (prefers-contrast: high) {
        .btn {
            border: 2px solid currentColor;
        }
        
        .form-control {
            border: 2px solid currentColor;
        }
        
        .card {
            border: 2px solid currentColor;
        }
    }
    
    /* Reduced motion support */
    @media (prefers-reduced-motion: reduce) {
        * {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
    
    /* Focus visible for keyboard navigation */
    .btn:focus-visible,
    .form-control:focus-visible,
    .nav-link:focus-visible {
        outline: 2px solid var(--mobile-primary);
        outline-offset: 2px;
    }
}

/* ===== ENHANCED MOBILE PERFORMANCE OPTIMIZATIONS ===== */
@media (max-width: 768px) {
    /* GPU acceleration for smooth animations */
    .card,
    .btn,
    .nav-link,
    .modal-content,
    .dropdown-menu {
        will-change: transform;
        transform: translateZ(0);
    }
    
    /* Optimize repaints - but ensure visibility */
    .table-responsive {
        contain: layout style paint;
        display: block !important;
        visibility: visible !important;
    }
    
    /* Ensure all table containers are visible */
    .projects-table-wrapper,
    .table-responsive,
    .dataTables_wrapper {
        display: block !important;
        visibility: visible !important;
    }
    
    /* Optimize scrolling */
    .main-content {
        -webkit-overflow-scrolling: touch;
    }
}

/* ===== ENHANCED MOBILE RESPONSIVE BREAKPOINTS ===== */
/* Extra small devices (phones, 320px and up) */
@media (min-width: 320px) and (max-width: 575.98px) {
    .container {
        padding-left: var(--mobile-spacing-md);
        padding-right: var(--mobile-spacing-md);
    }
    
    .main-content {
        padding: var(--mobile-spacing-sm);
    }
    
    .card-body {
        padding: var(--mobile-spacing-md);
    }
    
    .btn {
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-xs);
    }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .container {
        padding-left: var(--mobile-spacing-lg);
        padding-right: var(--mobile-spacing-lg);
    }
    
    .main-content {
        padding: var(--mobile-spacing-md);
    }
    
    .card-body {
        padding: var(--mobile-spacing-lg);
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .main-sidebar {
        width: 250px;
    }
    
    .main-content {
        margin-left: 250px;
        padding: var(--mobile-spacing-lg);
    }
    
    .main-navbar {
        margin-left: 250px;
    }
}

/* ===== ENHANCED MOBILE COMPONENT SPECIFIC STYLES ===== */
@media (max-width: 768px) {
    /* DataTables mobile optimization */
    .dataTables_wrapper {
        overflow-x: auto !important;
        display: block !important;
        visibility: visible !important;
        width: 100% !important;
    }
    
    .dataTables_wrapper .dataTables_scroll {
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper .dataTables_scrollHead {
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper .dataTables_scrollBody {
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper table.dataTable {
        display: table !important;
        visibility: visible !important;
        width: 100% !important;
    }
    
    .dataTables_wrapper table.dataTable thead {
        display: table-header-group !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper table.dataTable tbody {
        display: table-row-group !important;
        visibility: visible !important;
    }
    
    .dataTables_wrapper table.dataTable thead th,
    .dataTables_wrapper table.dataTable tbody td {
        display: table-cell !important;
        visibility: visible !important;
    }
    
    .dataTables_length,
    .dataTables_filter {
        margin-bottom: var(--mobile-spacing-md);
        display: block !important;
        visibility: visible !important;
    }
    
    .dataTables_length select,
    .dataTables_filter input {
        min-height: 44px;
        font-size: var(--mobile-font-size-base);
    }
    
    .dt-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: var(--mobile-spacing-sm);
        margin-bottom: var(--mobile-spacing-md);
        visibility: visible !important;
    }
    
    .dt-buttons .btn {
        flex: 1;
        min-width: 0;
    }
    
    /* Ensure table info and pagination are visible */
    .dataTables_info,
    .dataTables_paginate {
        display: block !important;
        visibility: visible !important;
    }
    
    /* Select2 mobile optimization */
    .select2-dropdown {
        border-radius: var(--mobile-border-radius-lg);
        box-shadow: var(--mobile-shadow-xl);
    }
    
    .select2-results__option {
        padding: var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-sm);
    }
    
    .select2-results__option--highlighted {
        background: linear-gradient(135deg, var(--mobile-primary) 0%, var(--mobile-primary-dark) 100%);
        color: white;
    }
    
    /* Date picker mobile optimization */
    .datepicker {
        border-radius: var(--mobile-border-radius-lg);
        box-shadow: var(--mobile-shadow-xl);
    }
    
    .datepicker table tr td.day {
        padding: var(--mobile-spacing-sm);
        font-size: var(--mobile-font-size-sm);
    }
    
    .datepicker table tr td.day:hover {
        background: var(--mobile-primary);
        color: white;
        border-radius: var(--mobile-border-radius-sm);
    }
    
    /* File upload mobile optimization */
    .dropzone {
        border: 2px dashed #e9ecef;
        border-radius: var(--mobile-border-radius-lg);
        padding: var(--mobile-spacing-xl);
        text-align: center;
        transition: var(--mobile-transition);
    }
    
    .dropzone:hover {
        border-color: var(--mobile-primary);
        background: rgba(103, 119, 239, 0.05);
    }
    
    .dropzone.dz-drag-hover {
        border-color: var(--mobile-primary);
        background: rgba(103, 119, 239, 0.1);
    }
}

/* ===== ENHANCED MOBILE END ===== */