/* Clean Minimal Header Styles */
        .main-header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .brand-section {
            display: flex;
            align-items: center;
            flex: 1;
        }
        
        .brand-logo {
            margin-right: 15px;
        }
        
        .brand-logo i {
            font-size: 32px;
            color: white;
        }
        
        .brand-text {
            line-height: 1.2;
        }
        
        .brand-title {
            font-size: 24px;
            font-weight: 600;
            margin: 0;
            color: white;
            letter-spacing: 0.5px;
        }
        
        .brand-subtitle {
            font-size: 14px;
            color: rgba(255,255,255,0.8);
            margin: 0;
            font-weight: 400;
        }
        
        /* User Actions Section */
        .user-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        /* Header Icon Buttons */
        .header-icon-btn {
            position: relative;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            transition: all 0.3s ease;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
        }
        
        .header-icon-btn:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        
        .notification-badge {
            position: absolute;
            top: -5px;
            right: -5px;
            background: #ff4081;
            color: white;
            font-size: 11px;
            min-width: 18px;
            height: 18px;
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }
        
        /* User Profile Dropdown */
        .user-profile {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.1);
            padding: 6px 12px;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid rgba(255,255,255,0.2);
            min-width: 150px;
        }
        
        .user-profile:hover {
            background: rgba(255,255,255,0.15);
        }
        
        .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 14px;
            margin-right: 10px;
        }
        
        .user-info {
            flex: 1;
        }
        
        .user-name {
            font-size: 14px;
            font-weight: 600;
            margin: 0;
            color: white;
        }
        
        .user-role {
            font-size: 12px;
            color: rgba(255,255,255,0.8);
            margin: 0;
        }
        
        .dropdown-arrow {
            color: rgba(255,255,255,0.7);
            font-size: 12px;
            margin-left: 5px;
        }
        
        /* Sidebar Toggle */
        .sidebar-toggle-btn {
            background: none;
            border: none;
            color: white;
            font-size: 20px;
            padding: 8px;
            border-radius: 50%;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .sidebar-toggle-btn:hover {
            background: rgba(255,255,255,0.1);
        }
        
        /* Dropdown Menu Customization */
        .dropdown-menu {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .dropdown-item {
            padding: 10px 15px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .dropdown-item:hover {
            background: #f8f9fa;
        }
        
        .dropdown-item i {
            width: 20px;
            margin-right: 10px;
            text-align: center;
        }
        
        /* Main Content Adjustments */
        .main-content {
            padding-top: 20px;
        }
        
        /* DRS Specific Styles */
        .drs-card {
            border: none;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .drs-header {
            background: linear-gradient(135deg, #fd7e14 0%, #dc3545 100%);
            color: white;
        }
        
        .receipt-badge {
            font-size: 11px;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        
        .badge-cash {
            background: rgba(40, 167, 69, 0.1);
            color: #28a745;
            border: 1px solid rgba(40, 167, 69, 0.3);
        }
        
        .badge-card {
            background: rgba(0, 123, 255, 0.1);
            color: #007bff;
            border: 1px solid rgba(0, 123, 255, 0.3);
        }
        
        .badge-online {
            background: rgba(111, 66, 193, 0.1);
            color: #6f42c1;
            border: 1px solid rgba(111, 66, 193, 0.3);
        }
        
        .badge-other {
            background: rgba(108, 117, 125, 0.1);
            color: #6c757d;
            border: 1px solid rgba(108, 117, 125, 0.3);
        }
        
        .receipt-status {
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        
        .status-paid {
            background: rgba(40, 167, 69, 0.1);
            color: #28a745;
        }
        
        .status-pending {
            background: rgba(255, 193, 7, 0.1);
            color: #ffc107;
        }
        
        .status-refunded {
            background: rgba(220, 53, 69, 0.1);
            color: #dc3545;
        }
        
        .receipt-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: inline-block;
            margin-right: 5px;
        }
        
        .summary-card {
            border-left: 4px solid;
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
        }
        
        .summary-cash {
            border-left-color: #28a745;
        }
        
        .summary-card {
            border-left-color: #007bff;
        }
        
        .summary-online {
            border-left-color: #6f42c1;
        }
        
        .summary-total {
            border-left-color: #fd7e14;
        }
        
        .receipt-meter {
            height: 10px;
            border-radius: 5px;
            background: #e9ecef;
            overflow: hidden;
            margin-top: 5px;
        }
        
        .meter-fill {
            height: 100%;
            border-radius: 5px;
        }
        
        .fill-cash {
            background: linear-gradient(90deg, #28a745, #20c997);
        }
        
        .fill-card {
            background: linear-gradient(90deg, #007bff, #6610f2);
        }
        
        .fill-online {
            background: linear-gradient(90deg, #6f42c1, #e83e8c);
        }
        
        .fill-other {
            background: linear-gradient(90deg, #6c757d, #343a40);
        }
        
        /* Payment Method Colors */
        .method-cash {
            color: #28a745;
        }
        
        .method-card {
            color: #007bff;
        }
        
        .method-online {
            color: #6f42c1;
        }
        
        .method-other {
            color: #6c757d;
        }
        
        /* Summary Cards */
        .summary-kpi-card {
            border-radius: 10px;
            padding: 20px;
            color: white;
            margin-bottom: 20px;
        }
        
        .kpi-total {
            background: linear-gradient(135deg, #fd7e14 0%, #dc3545 100%);
        }
        
        .kpi-cash {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
        }
        
        .kpi-card {
            background: linear-gradient(135deg, #007bff 0%, #6610f2 100%);
        }
        
        .kpi-online {
            background: linear-gradient(135deg, #6f42c1 0%, #e83e8c 100%);
        }
        
        /* Print Specific Styles */
        @media print {
            .no-print {
                display: none !important;
            }
            
            .print-only {
                display: block !important;
            }
            
            .card {
                border: none !important;
                box-shadow: none !important;
            }
            
            .table {
                border: 1px solid #dee2e6;
            }
            
            .table th,
            .table td {
                border: 1px solid #dee2e6;
            }
            
            .summary-kpi-card {
                border: 1px solid #dee2e6 !important;
                color: #000 !important;
                background: white !important;
            }
        }
        
        .print-only {
            display: none;
        }
        
        /* Receipt Details Modal */
        .receipt-items-table {
            font-size: 14px;
        }
        
        .receipt-items-table th {
            background: #f8f9fa;
            font-weight: 600;
        }
        
        /* Responsive Styles */
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            
            .brand-section {
                margin-bottom: 10px;
            }
            
            .user-actions {
                width: 100%;
                justify-content: space-between;
            }
            
            .user-profile {
                min-width: auto;
                padding: 6px 8px;
            }
            
            .user-name {
                display: none;
            }
            
            .user-role {
                display: none;
            }
            
            .user-avatar {
                margin-right: 0;
            }
        }
        
        @media (max-width: 576px) {
            .brand-title {
                font-size: 20px;
            }
            
            .brand-subtitle {
                font-size: 12px;
            }
            
            .header-icon-btn {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
        }