:root {
            --primary: #007bff;
            --primary-dark: #0056b3;
            --primary-light: #e3f2fd;
            --primary-50: #f0f8ff;
            --secondary: #6c757d;
            --warning: #ffc107;
            --info: #17a2b8;
            --error: #dc3545;
            --purple: #6f42c1;
            --pink: #e83e8c;
            --teal: #20c997;
            --background: #f8f9fa;
            --surface: #ffffff;
            --text-primary: #212529;
            --text-secondary: #6c757d;
            --border: #dee2e6;
            --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
            --shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
            --radius: 0.375rem;
            --radius-lg: 0.5rem;
            --transition: all 0.15s ease-in-out;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--background);
            color: var(--text-primary);
            line-height: 1.6;
        }

        .dashboard-container {
            background: linear-gradient(135deg, #fff5f5 0%, #ffeaea 100%) !important;
            width: 100%;
            margin: 0 auto;
            padding: 1.5rem;
        }

        .dashboard-header {
          background: linear-gradient(135deg, var(--primary-dark), var(--primary)) !important;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem 2rem;
            margin-bottom: 2rem;
            border-left: 4px solid var(--primary);
        }

        .dashboard-header h1 {
            color: white;
            font-size: 1.75rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .text-muted {
            color: var(--text-secondary);
        }

        .filters-container {
            background: linear-gradient(135deg, #fff5f5 0%, #ffeaea 100%) !important;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
            margin-bottom: 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            align-items: end;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .form-group label {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .form-control {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 0.875rem;
            transition: var(--transition);
            background: linear-gradient(135deg, #fff5f5 0%, #ffeaea 100%) !important;
            width: 100%;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
        }

        .custom-date-range {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: var(--radius);
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
        }

        .btn-primary:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .cards-grid {

            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .card {
       background: linear-gradient(135deg, #fff5f5 0%, #ffeaea 100%) !important;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
            border-top: 4px solid;
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .card.cash {
            border-color: var(--warning);
        }

        .card.pos {
            border-color: var(--info);
        }

        .card.bank {
            border-color: var(--purple);
        }

        .card.total {
            border-color: var(--primary);
        }

        .card-header {

            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: white;
        }

        .card.cash .card-icon {
            background: var(--warning);
        }

        .card.pos .card-icon {
            background: var(--info);
        }

        .card.bank .card-icon {
            background: var(--purple);
        }

        .card.total .card-icon {
            background: var(--primary);
        }

        .card-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }

        .card-value {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

        .card-subtitle {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .charts-container {

            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .chart-card {
            background: linear-gradient(135deg, #fff5f5 0%, #ffeaea 100%) !important;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }

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

        .chart-title {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .chart-container {
            height: 300px;
            position: relative;
        }

        .details-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .details-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }

        .details-header {
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--border);
        }

        .details-title {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .account-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
        }

        .account-item:last-child {
            border-bottom: none;
        }

        .account-info {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .account-name {
            font-weight: 600;
            color: var(--text-primary);
        }

        .account-number {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .account-amount {
            font-weight: 700;
            font-size: 1.125rem;
            color: var(--text-primary);
        }

        .summary-card {
           background: linear-gradient(135deg, #fff5f5 0%, #ffeaea 100%) !important;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }

        .summary-item {
            display: flex;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border);
        }

        .summary-item:last-child {
            border-bottom: none;
        }

        .summary-label {
            font-weight: 500;
            color: var(--text-primary);
        }

        .summary-value {
            font-weight: 600;
            color: var(--text-primary);
        }

        .alert {
            padding: 1rem 1.5rem;
            margin-bottom: 1rem;
            border-radius: var(--radius);
            color: white;
            font-weight: 600;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            animation: slideIn 0.3s ease-out;
        }

        .alert.success {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }

        .alert.error {
            background: linear-gradient(135deg, var(--error), #c82333);
        }

        @keyframes slideIn {
            from {
                transform: translateY(-20px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .spinner {
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        .comparison {
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin-top: 0.25rem;
        }

        .positive {
            color: var(--primary);
        }

        .negative {
            color: var(--error);
        }

        .neutral {
            color: var(--text-secondary);
        }

        .empty-state {
            text-align: center;
            padding: 2rem;
            color: var(--text-secondary);
        }

        .empty-state i {
            font-size: 3rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        @media (max-width: 1200px) {
            .details-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 1024px) {
            .charts-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .dashboard-container {
                padding: 1rem;
            }
            
            .filters-container {
                grid-template-columns: 1fr;
            }
            
            .custom-date-range {
                grid-template-columns: 1fr;
            }
            
            .cards-grid {
                grid-template-columns: 1fr;
            }
        }