html, body { 
        height: 100%; 
        width: 100%; 
        margin: 0; 
        padding: 0; 
        font-size: 12px !important;
    }
    
    .header-container, .page-header, .footer-container, 
    footer, nav, .page-header, .footer-info { 
        display: none !important; 
    }
    

    :root {
        --primary-color: #2c3e50;
        --secondary-color: #4a6491;
        --navyblue: #002855;
        --accent-color: #e74c3c;
        --light-bg: #f8f9fa;
        --orange-color: #ff9800;
        --dark-text: #2c3e50;
        --border-radius: 8px;
        --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        --success-color: #28a745;
        
        /* Footer Button Colors */
        /* Function Key Button Colors */
        --btn-orange-primary: #ff6b35;
        --btn-orange-secondary: #f7931e;
        --btn-orange-hover: #ff5722;
        --btn-orange-hover-secondary: #ff9800;
        
        /* Payment Button Colors */
        --btn-payment-primary: #4caf50;
        --btn-payment-secondary: #8bc34a;
        --btn-payment-hover: #66bb6a;
        --btn-payment-hover-secondary: #9ccc65;
        
        /* Options Button Colors */
        --btn-options-primary: #2196f3;
        --btn-options-secondary: #1e88e5;
        --btn-options-hover: #42a5f5;
        --btn-options-hover-secondary: #1976d2;
        
        /* Quantity Button Colors */
        --btn-quantity-primary: #ff9800;
        --btn-quantity-secondary: #ffc107;
        --btn-quantity-hover: #ffb74d;
        --btn-quantity-hover-secondary: #ffca28;
        
        /* Return Button Colors */
        --btn-return-primary: #f44336;
        --btn-return-secondary: #e53935;
        --btn-return-hover: #ef5350;
        --btn-return-hover-secondary: #d32f2f;
        
        /* Discount Button Colors */
        --btn-discount-primary: #9c27b0;
        --btn-discount-secondary: #8e24aa;
        --btn-discount-hover: #ba68c8;
        --btn-discount-hover-secondary: #7b1fa2;
        
        /* Switch Button Colors */
        --btn-switch-primary: #667eea;
        --btn-switch-secondary: #764ba2;
        --btn-switch-hover: #7c8ef5;
        --btn-switch-hover-secondary: #9575cd;
        
        /* Shift Button Colors */
        --btn-shift-primary: #607d8b;
        --btn-shift-secondary: #546e7a;
        --btn-shift-hover: #78909c;
        --btn-shift-hover-secondary: #455a64;
        
        /* Logout Button Colors */
        --btn-logout-primary: #e74c3c;
        --btn-logout-secondary: #c0392b;
        --btn-logout-hover: #ff4757;
        --btn-logout-hover-secondary: #e74c3c;
        
        /* Footer Background Colors */
        --footer-bg-primary: #2c3e50;
        --footer-bg-secondary: #34495e;
        --footer-border: #34495e;
        
        /* Icon Background Colors */
        --icon-bg-light: rgba(255, 255, 255, 0.2);
        --icon-bg-hover: rgba(255, 255, 255, 0.3);
        
        /* Ripple Effect Colors */
        --ripple-color: rgba(255, 255, 255, 0.3);
    }
 

    .ha-header-form-row {
        display: flex;
        gap: 10px;
        margin-right: 2px;
        margin-bottom: 5px;
        margin-top: 5px;
        flex-wrap: wrap;
    }
    
    .ha-header-form-group {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: 1;
   
    }
    
    .ha-header-form-group label {
        margin-bottom: 0;
        font-weight: 600;
        color: var(--dark-text);
        min-width: 80px;
        text-align: right;
    }
    
    .ha-header-form-group select, 
    .ha-header-form-group input {
        flex: 1;
        padding: 4px;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 14px;
    }