:root {
        --sidebar-width: 250px;
        --sidebar-color-bg: #fff;
        --sidebar-collapsed-width: 80px;
        --topbar-height: 60px;
        --primary-color: #4fa2c3;
        --success-color: #1cc88a;
        --info-color: #5a36cc;
        --warning-color: #f6c23e;
        --danger-color: #e74a3b;
        --secondary-color: #4f46e5;
        --chat-bg: #f8fafc;
        --user-message: #dbeafe;
        --other-message: #ffffff;
        --input-bg: #ffffff;
        --sidebar-task-bg: #1e293b;
        }
        
        body {
            min-height: 100vh;
            overflow-x: hidden;
            background-color: #edf2fa;
        }
        a{
            text-decoration: none!important;
            color: initial;
        }
        
        /* Sidebar */
        .sidebar {
            width: var(--sidebar-width);
            background-color: var(--sidebar-color-bg);
            height: 100vh;
            position: fixed;
            color: white;
            transition: all 0.3s;
            z-index: 1000;
            box-shadow: 0 2px 4px 0 rgb(0 0 0 / 20%), 0 2px 8px 0 rgb(0 0 0 / 19%);
        }
        
        .sidebar.collapsed {
            width: var(--sidebar-collapsed-width);
            box-shadow: 0 2px 4px 0 rgb(0 0 0 / 20%), 0 2px 8px 0 rgb(0 0 0 / 19%);
        }
        
        .sidebar.collapsed .sidebar-text {
            display: none !important;
        }
        
        .sidebar.collapsed .nav-link {
            justify-content: center;
        }
        
        .sidebar-header {
            padding: 0 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            height: var(--topbar-height);
        }
        
        .nav-link {
            color: rgba(0, 0, 0, 0.885);
            border-radius: 0.25rem;
            margin: 0.25rem 0.5rem;
            padding: 0.75rem 1rem !important;
        }
        
        .nav-link:hover, .nav-link.active {
            color: white;
            background-color: rgba(29, 156, 224, 0.836);
            font-weight: bolder;
        }
        
        .nav-link i {
            margin-right: 0.5rem;
            font-size: 1.25rem;
        }
        
        .sidebar.collapsed .nav-link i {
            margin-right: 0;
            font-size: 1.5rem;
        }
        
        /* Topbar */
        .topbar {
            height: var(--topbar-height);
            position: fixed;
            top: 0;
            /*left: var(--sidebar-width);
            right: 0;*/
            background-color: var(--primary-color);
            color: white;
            transition: all 0.3s;
            z-index: 999;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
        }

        .bt-report{
            background-color: var(--primary-color);
        }
        .bt-report:hover{
            border: 2px solid #4fa2c3;
        }
        
        .dropdown-toggle::after {
            display: inline-block;
            margin-left: -1.745em !important;
            vertical-align: 0!important;
            content: "";
            border-top: 0em solid!important;
            border-right: 0em solid transparent!important;
            border-bottom: 0;
            border-left: 0em solid transparent!important;
        }
        
        /* Main content */
        .main-content {
            margin-left: var(--sidebar-width);
            margin-top: var(--topbar-height);
            padding: 20px;
            transition: all 0.3s;
            min-height: calc(100vh - var(--topbar-height));
        }
        
        .sidebar.collapsed ~ .main-content {
            margin-left: var(--sidebar-collapsed-width);
        }
        
        /* Cards */
        .card {
            border: none;
            border-radius: 0.35rem;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.1);
            margin-bottom: 1.5rem;
        }
        
        .card-header {
            background-color: #f8f9fc;
            border-bottom: 1px solid #e3e6f0;
            padding: 1rem 1.35rem;
            font-weight: 600;
        }
        
        /* Custom cards */
        .card-icon {
            font-size: 2rem;
            opacity: 0.3;
        }
        
        .card-primary {
            border-left: 0.25rem solid var(--primary-color);
        }
        
        .card-success {
            border-left: 0.25rem solid var(--success-color);
        }
        
        .card-info {
            border-left: 0.25rem solid var(--info-color);
        }
        
        .card-warning {
            border-left: 0.25rem solid var(--warning-color);
        }
        
        .card-danger {
            border-left: 0.25rem solid var(--danger-color);
        }
        
        /* Progress bars */
        .progress-sm {
            height: 0.5rem;
        }
        
        /* Task list */
        .task-item {
            border-left: 0.25rem solid transparent;
            transition: all 0.3s;
        }
        
        .task-item:hover {
            background-color: #f8f9fc;
        }
        
        .task-item.task-primary {
            border-left-color: var(--primary-color);
        }
        
        .task-item.task-success {
            border-left-color: var(--success-color);
        }
        
        .task-item.task-warning {
            border-left-color: var(--warning-color);
        }
        
        /* Stock alert */
        .stock-alert {
            position: relative;
            padding-left: 1.5rem;
        }
        
        .stock-alert::before {
            content: "";
            position: absolute;
            left: 0.5rem;
            top: 50%;
            transform: translateY(-50%);
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
        }
        
        .stock-alert.low::before {
            background-color: var(--danger-color);
        }
        
        .stock-alert.medium::before {
            background-color: var(--warning-color);
        }
        
        .stock-alert.good::before {
            background-color: var(--success-color);
        }


        /* Custom tabs */
        .nav-tabs-custom {
            border-bottom: 2px solid #dee2e6;
        }
        
        .nav-tabs-custom .nav-link {
            border: none;
            color: #6c757d;
            font-weight: 600;
            padding: 12px 20px;
            margin-right: 5px;
            border-radius: 0;
            position: relative;
        }
        
        .nav-tabs-custom .nav-link.active {
            color: var(--primary-color);
            background-color: transparent;
            border-bottom: 2px solid var(--primary-color);
            margin-bottom: -2px;
        }
        
        .nav-tabs-custom .nav-link:hover:not(.active) {
            border-bottom: 2px solid #dee2e6;
            margin-bottom: -2px;
        }
        
        /* Form styling */
        .form-section {
            background-color: white;
            border-radius: 5px;
            padding: 25px;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.1);
            margin-bottom: 30px;
        }
        
        .form-section h5 {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        
        .form-label {
            font-weight: 600;
            color: #495057;
        }
        
        /* Photo upload */
        .photo-upload {
            border: 2px dashed #dee2e6;
            border-radius: 5px;
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .photo-upload:hover {
            border-color: var(--primary-color);
        }
        
        .photo-preview {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 15px;
        }

/*compta*/

        .modern-tabs {
            border-radius: 1rem;
            background: white;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
        }

        .nav-tabs-modern {
            border-bottom: 2px solid #e2e8f0;
            padding: 0.5rem;
        }

        .nav-tabs-modern .nav-link {
            border: none;
            color: #64748b;
            font-weight: 500;
            padding: 1rem 2rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-tabs-modern .nav-link.active {
            color: var(--primary-color);
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(79, 70, 229, 0.05) 100%);
            border-radius: 0.75rem;
        }

        .nav-tabs-modern .nav-link.active:after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        .finance-card {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            transition: transform 0.3s ease;
            border: 1px solid #f1f5f9;
        }

        .finance-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .transaction-table {
            --bs-table-striped-bg: #f8fafc;
            border-radius: 1rem;
            overflow: hidden;
        }

        .chart-container {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            border: 1px solid #f1f5f9;
        }

        .floating-action-btn {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
            transition: all 0.3s ease;
        }

        .floating-action-btn:hover {
            transform: scale(1.1) rotate(90deg);
        }

        .invoice-status {
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.85rem;
        }

        .invoice-status.paid {
            background: rgba(34, 197, 94, 0.1);
            color: var(--success-color);
        }

        .invoice-status.pending {
            background: rgba(255, 159, 67, 0.1);
            color: #ff9f43;
        }

         /* Accounting specific styles */
        .accounting-card {
            border-left: 0.25rem solid;
            transition: transform 0.3s;
        }
        
        .accounting-card:hover {
            transform: translateY(-5px);
        }
        
        .income-card {
            border-left-color: var(--success-color);
        }
        
        .expense-card {
            border-left-color: var(--danger-color);
        }
        
        .balance-card {
            border-left-color: var(--primary-color);
        }
        
        .tax-card {
            border-left-color: var(--warning-color);
        }
        
        .amount-display {
            font-size: 1.75rem;
            font-weight: 700;
        }
        
        .income-amount {
            color: var(--success-color);
        }
        
        .expense-amount {
            color: var(--danger-color);
        }
        
        .balance-amount {
            color: var(--primary-color);
        }
        
        .transaction-table th {
            white-space: nowrap;
        }
        
        .transaction-table .income-row {
            background-color: rgba(28, 200, 138, 0.05);
        }
        
        .transaction-table .expense-row {
            background-color: rgba(231, 74, 59, 0.05);
        }
        
        .badge-income {
            background-color: var(--success-color);
        }
        
        .badge-expense {
            background-color: var(--danger-color);
        }
        
        .chart-container {
            position: relative;
            height: 300px;
        }
        

        /*stock*/

        .stock-card {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            transition: transform 0.3s ease;
            border: 1px solid #e2e8f0;
        }

        .stock-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .stock-table {
            --bs-table-striped-bg: #f8fafc;
            border-radius: 1rem;
            overflow: hidden;
        }

        .stock-table th {
            background-color: var(--primary-color);
            color: white;
        }

        .low-stock {
            background-color: rgba(245, 158, 11, 0.1) !important;
        }

        .critical-stock {
            background-color: rgba(239, 68, 68, 0.1) !important;
        }

        .stock-badge {
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.85rem;
        }

        .stock-badge.low {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
        }

        .stock-badge.critical {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
        }

        .stock-badge.good {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
        }

        .stock-chart {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            border: 1px solid #e2e8f0;
        }

        .floating-action-btn {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
            transition: all 0.3s ease;
        }

        .floating-action-btn:hover {
            transform: scale(1.1);
        }





         .modern-tabs {
            border-radius: 1rem;
            background: white;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
        }

        .nav-tabs-modern {
            border-bottom: 2px solid #e2e8f0;
            padding: 0.5rem 1rem;
        }

        .nav-tabs-modern .nav-link {
            border: none;
            color: #64748b;
            font-weight: 500;
            padding: 1rem 2rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-tabs-modern .nav-link.active {
            color: var(--primary-color);
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
            border-radius: 0.75rem;
        }

        .nav-tabs-modern .nav-link.active:after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        .stock-card {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            transition: transform 0.3s ease;
            border: 1px solid #f1f5f9;
        }

        .stock-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .stock-status {
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.85rem;
        }

        .stock-status.critical {
            background: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
        }

        .stock-status.low {
            background: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
        }

        .stock-status.good {
            background: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
        }

        .stock-table {
            --bs-table-striped-bg: #f8fafc;
            border-radius: 1rem;
            overflow: hidden;
        }

        .stock-table th {
            background-color: var(--primary-color);
            color: white;
            border: none;
        }

        .stock-movement-timeline {
            position: relative;
            padding-left: 2rem;
        }

        .stock-movement-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: #e2e8f0;
        }

        .movement-item {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 2rem;
        }

        .movement-item::before {
            content: '';
            position: absolute;
            left: -9px;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
        }

        /*TASK*/

         .task-form-container {
            max-width: 900px;
            margin: 2rem auto;
            background: white;
            border-radius: 1.5rem;
            box-shadow: 0 10px 50px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }

        .task-form-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 2rem;
            text-align: center;
        }

        .task-form-body {
            padding: 2.5rem;
        }

        .form-section {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e2e8f0;
        }

        .form-section-title {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
        }

        .form-section-title i {
            margin-right: 10px;
            font-size: 1.2rem;
        }

        .priority-selector .btn {
            border-radius: 0.5rem;
            margin-right: 0.5rem;
            transition: all 0.2s ease;
        }

        .priority-selector .btn:hover {
            transform: translateY(-2px);
        }

        .priority-selector .btn.active {
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .priority-low {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .priority-medium {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }

        .priority-high {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            background-color: rgba(99, 102, 241, 0.1);
            color: var(--primary-color);
            padding: 0.3rem 0.8rem;
            border-radius: 1rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .tag-item .bi-x {
            margin-left: 5px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .tag-item .bi-x:hover {
            transform: scale(1.2);
        }

        .subtask-item {
            display: flex;
            align-items: center;
            padding: 0.8rem;
            border-radius: 0.5rem;
            background-color: #f8fafc;
            margin-bottom: 0.8rem;
            transition: all 0.2s ease;
        }

        .subtask-item:hover {
            background-color: #f1f5f9;
            transform: translateX(5px);
        }

        .subtask-item input[type="checkbox"] {
            margin-right: 0.8rem;
        }

        .form-control, .form-select {
            border-radius: 0.75rem;
            padding: 0.8rem 1.2rem;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border: none;
            border-radius: 0.75rem;
            padding: 0.8rem 1.8rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
        }

        .attachment-preview {
            display: flex;
            align-items: center;
            background-color: #f8fafc;
            padding: 0.8rem;
            border-radius: 0.75rem;
            margin-bottom: 0.8rem;
        }

        .attachment-preview i {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-right: 1rem;
        }

        .preview-card {
            background: white;
            border-radius: 1rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            padding: 1.5rem;
            margin-top: 2rem;
        }

        .task-preview-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .priority-badge {
            padding: 0.3rem 0.8rem;
            border-radius: 1rem;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .badge-low {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
        }

        .badge-high {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
        }

        .assignee-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 0.8rem;
        }

        .subtask-preview {
            display: flex;
            align-items: center;
            margin-bottom: 0.8rem;
        }

        .subtask-preview input[type="checkbox"] {
            margin-right: 0.8rem;
        }

         .dashboard-header {
            background: linear-gradient(135deg, var(--primary-color), var(--info-color));
            color: white;
            padding: 2.5rem 0;
            border-radius: 0 0 2rem 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
        }

        .task-card {
            background: white;
            border-radius: 1.25rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
            border: none;
            overflow: hidden;
        }

        .task-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }

        .task-card-header {
            padding: 1.25rem 1.5rem 0.5rem;
            border-bottom: 1px solid #e2e8f0;
        }

        .task-card-body {
            padding: 1.25rem 1.5rem;
        }

        .task-card-footer {
            padding: 0.75rem 1.5rem;
            background-color: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }

        .task-priority {
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .priority-low {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
        }

        .priority-medium {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
        }

        .priority-high {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
        }

        .task-status {
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .status-todo {
            background-color: rgba(99, 102, 241, 0.1);
            color: var(--primary-color);
        }

        .status-in-progress {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
        }

        .status-completed {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
        }

        .task-tag {
            display: inline-block;
            background-color: rgba(99, 102, 241, 0.1);
            color: var(--primary-color);
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .assignee-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 0.5rem;
            border: 2px solid white;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .progress-container {
            height: 8px;
            border-radius: 4px;
            background-color: #e2e8f0;
            overflow: hidden;
        }

        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transition: width 0.5s ease;
        }

        .stats-card {
            background: white;
            border-radius: 1.25rem;
            padding: 1.5rem;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .stats-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }

        .stats-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
        }

        .stats-todo .stats-icon {
            background-color: rgba(99, 102, 241, 0.1);
            color: var(--primary-color);
        }

        .stats-in-progress .stats-icon {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
        }

        .stats-completed .stats-icon {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
        }

        .stats-overdue .stats-icon {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
        }

        .filter-btn {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 0.75rem;
            padding: 0.5rem 1.25rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            transition: all 0.2s ease;
        }

        .filter-btn:hover, .filter-btn.active {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border-color: var(--primary-color);
        }

        .section-title {
            position: relative;
            padding-bottom: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }

        /*TCHAT*/

         .chat-container {
            display: flex;
            height: 100vh;
            max-width: 1600px;
            margin: 0 auto;
            box-shadow: 0 10px 50px rgba(0, 0, 0, 0.1);
            border-radius: 16px;
            overflow: hidden;
        }

        /* Sidebar */
        .sidebar_task {
            width: 300px;
            background-color: var(--sidebar-task-bg);
            color: white;
            display: flex;
            flex-direction: column;
            border-right: 1px solid #334155;
        }

        .sidebar-task-header {
            padding: 20px;
            border-bottom: 1px solid #334155;
            background-color: #0f172a;
        }

        .team-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .team-logo i {
            color: var(--primary-color);
        }

        .search-container {
            padding: 15px;
            border-bottom: 1px solid #334155;
        }

        .search-box {
            background-color: #334155;
            border-radius: 24px;
            padding: 8px 15px;
            display: flex;
            align-items: center;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: white;
            width: 100%;
            outline: none;
        }

        .channels-section, .members-section {
            padding: 15px;
            flex-grow: 1;
            overflow-y: auto;
        }

        .section-title {
            font-size: 0.85rem;
            text-transform: uppercase;
            color: #94a3b8;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }

        .channel-item, .member-item {
            padding: 10px 15px;
            border-radius: 8px;
            margin-bottom: 5px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .channel-item:hover, .member-item:hover, .active-channel {
            background-color: #334155;
        }

        .channel-item i, .member-item i {
            color: #94a3b8;
        }

        .member-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            object-fit: cover;
        }

        .member-status {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-left: auto;
        }

        .status-online {
            background-color: #10b981;
        }

        .status-offline {
            background-color: #64748b;
        }

        .status-away {
            background-color: #f59e0b;
        }

        /* Chat area */
        .chat-area {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            background-color: var(--chat-bg);
        }

        .chat-header {
            padding: 15px 25px;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            align-items: center;
            gap: 15px;
            background-color: white;
        }

        .chat-info {
            flex-grow: 1;
        }

        .chat-title {
            font-weight: 600;
            font-size: 1.2rem;
            margin-bottom: 3px;
        }

        .chat-status {
            font-size: 0.85rem;
            color: #64748b;
        }

        .chat-actions {
            display: flex;
            gap: 15px;
        }

        .chat-action-btn {
            background: none;
            border: none;
            color: #64748b;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .chat-action-btn:hover {
            color: var(--primary-color);
        }

        .messages-container {
            flex-grow: 1;
            padding: 25px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }

        .message {
            max-width: 70%;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 16px;
            position: relative;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .user-message {
            background-color: var(--user-message);
            align-self: flex-end;
            border-bottom-right-radius: 5px;
        }

        .other-message {
            background-color: var(--other-message);
            align-self: flex-start;
            border-bottom-left-radius: 5px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .message-header {
            display: flex;
            align-items: center;
            margin-bottom: 8px;
        }

        .message-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 10px;
        }

        .message-sender {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .message-time {
            font-size: 0.75rem;
            color: #64748b;
            margin-left: 10px;
        }

        .message-content {
            line-height: 1.5;
        }

        .message-actions {
            position: absolute;
            top: 10px;
            right: 10px;
            opacity: 0;
            transition: opacity 0.2s;
        }

        .message:hover .message-actions {
            opacity: 1;
        }

        .message-action-btn {
            background: none;
            border: none;
            color: #94a3b8;
            cursor: pointer;
            font-size: 0.9rem;
            padding: 3px;
        }

        .message-action-btn:hover {
            color: var(--primary-color);
        }

        .input-container {
            padding: 20px;
            background-color: white;
            border-top: 1px solid #e2e8f0;
        }

        .input-box {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .input-actions {
            display: flex;
            gap: 10px;
        }

        .input-action-btn {
            background: none;
            border: none;
            color: #94a3b8;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .input-action-btn:hover {
            color: var(--primary-color);
        }

        .message-input {
            flex-grow: 1;
            border: none;
            background-color: var(--input-bg);
            padding: 15px 20px;
            border-radius: 24px;
            font-size: 1rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            outline: none;
            resize: none;
            height: 50px;
            max-height: 150px;
        }

        .send-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
        }

        .send-btn:hover {
            background-color: var(--secondary-color);
            transform: scale(1.05);
        }

        /*RH CSS*/
        .box-border{
            border-left: 5px solid var(--primary-color);
        }


        /*Facture et clients*/

        .invoice-header, .client-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding: 20px;
            margin-bottom: 25px;
        }
        
        .invoice-logo {
            max-height: 100px;
            border-radius: 8px;
            background: white;
            padding: 8px;
        }
        
        .items-table td {
            vertical-align: middle;
        }
        
        .invoice-totals, .client-info-card {
            background-color: var(--light-bg);
            border-radius: 8px;
            border-left: 4px solid var(--secondary-color);
        }
        
        .signature-section {
            margin-top: 40px;
            padding-top: 20px;
        }
        
        .btn-add-item, .btn-add-client {
            width: 100%;
            transition: all 0.3s;
        }
        
        .delete-item, .delete-client {
            color: var(--danger-color);
            cursor: pointer;
            transition: transform 0.2s;
        }
        
        .delete-item:hover, .delete-client:hover {
            transform: scale(1.2);
        }
        
        .signature-canvas {
            border: 2px dashed #ccc;
            border-radius: 8px;
            background-color: white;
            cursor: crosshair;
            margin-top: 10px;
        }
        
        .signature-controls {
            margin-top: 10px;
        }
        
        .modal-content {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        
        .modal-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
        }
        
        .btn-primary {
            background: var(--secondary-color);
            border: none;
            transition: all 0.3s;
        }
        
        .btn-primary:hover {
            background: var(--primary-color);
            transform: translateY(-2px);
        }
        
        .btn-success {
            background: var(--success-color);
            border: none;
        }
        
        .btn-warning {
            background: var(--warning-color);
            border: none;
        }
        
        .card {
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s;
            /*border: none;*/
        }
        
        .card:hover {
            transform: translateY(-5px);
        }
        
        .invoice-preview, .client-details {
            background-color: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        
        .tva-control {
            max-width: 120px;
        }
        
        .signature-preview {
            max-width: 250px;
            margin-top: 15px;
            border: 1px solid #eee;
            border-radius: 4px;
        }
        
        .step-indicator {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
            position: relative;
        }
        
        .step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e0e0e0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            z-index: 2;
        }
        
        .step.active {
            background: var(--secondary-color);
            color: white;
        }
        
        .step.completed {
            background: var(--success-color);
            color: white;
        }
        
        .step-label {
            position: absolute;
            top: 45px;
            font-size: 0.85rem;
            text-align: center;
            width: 100px;
            left: -30px;
            color: #777;
            font-weight: 500;
        }
        
        .step-indicator::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 20px;
            height: 3px;
            width: calc(100% - 40px);
            background: #e0e0e0;
            z-index: 1;
        }
        
        .step-1 .step-label { left: 0; }
        .step-2 .step-label { left: 33%; transform: translateX(-50%); }
        .step-3 .step-label { right: 0; }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-bg));
            color: white;
            border-radius: 0 0 30px 30px;
            padding: 60px 0;
            margin-bottom: 40px;
        }
        
        .app-logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: white;
        }
        
        .app-logo span {
            color: var(--secondary-color);
        }
        
        .feature-card {
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .feature-card .card-body {
            flex-grow: 1;
        }
        
        .invoice-card, .client-card {
            border-left: 4px solid var(--secondary-color);
            transition: all 0.3s;
        }
        
        .invoice-card:hover, .client-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
        }
        
        .invoice-card.paid {
            border-left-color: var(--success-color);
        }
        
        .invoice-card.pending {
            border-left-color: var(--warning-color);
        }
        
        .invoice-card.overdue {
            border-left-color: var(--danger-color);
        }
        
        .client-card {
            border-left-color: #9b59b6;
        }
        
        .status-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .search-container-invoice {
            position: relative;
            max-width: 400px;
            border-bottom: none;
        }
        
        .search-container-invoice i {
            position: absolute;
            left: 15px;
            top: 12px;
            color: #777;
        }
        
        .invoice-list-header, .client-list-header {
            background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            margin-bottom: 25px;
        }
        
        .invoice-amount, .client-company {
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .filters-container {
            background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            margin-bottom: 25px;
        }
        
        .stat-card {
            text-align: center;
            padding: 20px;
            border-radius: 12px;
            background: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary-color);
        }
        
        .stat-label {
            color: #777;
            font-size: 0.9rem;
        }
        
        .action-buttons .btn {
            margin: 0 5px;
        }
        
        .nav-tabs .nav-link {
            color: var(--primary-color);
            font-weight: 500;
        }
        
        .nav-tabs .nav-link.active {
            background: var(--secondary-color);
            color: white;
            border-radius: 8px 8px 0 0;
        }
        
        .tab-content {
            padding: 20px;
            background: white;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .client-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            font-weight: bold;
        }

        /* Responsive design */
        @media (max-width: 992px) {
            .sidebar {
                width: 250px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                width: 70px;
            }
            .sidebar .channel-name, 
            .sidebar .member-name,
            .sidebar .section-title,
            .search-box input {
                display: none;
            }
            .search-box {
                justify-content: center;
            }
            .channel-item, .member-item {
                justify-content: center;
                padding: 15px;
            }
            .member-status {
                position: absolute;
                bottom: 5px;
                right: 5px;
            }
            .member-item {
                position: relative;
            }
        }
        
        @media (max-width: 768px) {
            .sidebar {
                left: calc(-1 * var(--sidebar-width));
            }
            
            .sidebar.collapsed {
                left: 0;
                width: var(--sidebar-collapsed-width);
            }
            
            .topbar {
                left: 0;
            }
            
            .sidebar:not(.collapsed) ~ .topbar,
            .sidebar:not(.collapsed) ~ .main-content {
                margin-left: 0;
            }
            
            .main-content {
                margin-left: 0;
            }
        }