.ez-calculator-container {
    /* max-width: 800px; */
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }
  
  .ez-calculator-box {
    background: white;
    border-radius: 0;
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #ddd;
  }
  
  .calculator-header {
    background: #2c5aa0;
    color: white;
    padding: 15px 0;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
  }
  
  .ez-calculator-form {
    background: #f5f5f5;
    padding: 0;
    margin: 0;
    display: flex;
    border-bottom: 1px solid #ddd;
    position: relative;
  }
.ez-calculator-form .form-row {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    align-items: stretch;
    width: 100%;
  }
  
  .form-group {
    flex: 1;
    margin-bottom: 0;
    padding: 20px;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
  }
  
  .form-group:last-child {
    border-right: none;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: #2c5aa0;
    font-size: 14px;
  }
  
  .radio-group {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
  }
  
  .radio-group label {
    margin: 0;
    padding: 8px 16px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    color: #333;
    font-size: 13px;
    min-width: 50px;
    text-align: center;
    box-shadow: none;
  }
  
  .radio-group label:hover {
    border-color: #2c5aa0;
    background: #f0f5ff;
  }
  
  .radio-group input[type="radio"] {
    display: none;
  }
  
  .radio-group label:has(input[type="radio"]:checked) {
    background: #2c5aa0;
    color: white;
    border-color: #2c5aa0;
    font-weight: 600;
  }
  
  .form-group input[type="number"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    background: white;
    box-sizing: border-box;
    margin-bottom: 10px;
  }
  
  .form-group input[type="number"]:focus {
    outline: none;
    border-color: #2c5aa0;
    box-shadow: 0 0 0 2px rgba(44, 90, 160, 0.1);
  }
  
  .form-group input[type="number"]:invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.1);
  }
  
  .calculate-button {
    background: #1e90ff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    align-self: flex-start;
  }
  
  .calculate-button:hover {
    background: #1c7ed6;
  }
  
  .calculate-button:disabled {
    background: #6c757d;
    cursor: not-allowed;
  }
  
  .ez-calculator-results {
    background: #2c5aa0;
    color: white;
    padding: 20px;
    margin: 0;
  }
  
  .ez-calculator-results h3 {
    color: white;
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
  }
  
  .bom-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 15px 20px;
    margin-bottom: 12px;
    border-left: 4px solid #1e90ff;
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .bom-item:last-child {
    margin-bottom: 0;
  }
  
  .bom-image {
    flex-shrink: 0;
  }
  
  .bom-image img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    border: 2px solid rgba(255, 255, 255, 0.2);
  }
  
  .bom-content {
    flex: 1;
    text-align: center;
  }
  
  .bom-item .title {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin-bottom: 3px;
  }
  
  .bom-item .sku {
    font-size: 11px;
    color: #ccc;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  
  .add-to-cart-section {
    margin-top: 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
  }
  
  .add-to-cart-button {
    background: #28a745;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
  }
  
  .add-to-cart-button:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.4);
  }
  
  .add-to-cart-button:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
  }
  
  .cart-message {
    margin-top: 15px;
    padding: 15px 20px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
  }
  
  .cart-message.success {
    background: rgba(255, 255, 255, 0.95);
    color: #2c5aa0;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
  
  .cart-message.success ul {
    list-style: none;
    padding: 0;
    margin: 10px 0;
  }
  
  .cart-message.success li {
    margin: 5px 0;
    padding: 5px 0;
    border-bottom: 1px solid rgba(44, 90, 160, 0.1);
  }
  
  .cart-message.success li:last-child {
    border-bottom: none;
  }
  
  .cart-message.error {
    background: rgba(255, 255, 255, 0.95);
    color: #dc3545;
    border: 2px solid rgba(220, 53, 69, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
  
  .view-cart-link {
    display: inline-block;
    background: #1e90ff;
    color: white !important;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: 600;
    margin-top: 10px;
    transition: background 0.2s ease;
  }
  
  .view-cart-link:hover {
    background: #1c7ed6;
    color: white !important;
    text-decoration: none;
  }
  
  .calculation-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(245, 245, 245, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }
  
  .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top: 4px solid #2c5aa0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
  }
  
  .loading-text {
    color: #2c5aa0;
    font-weight: 600;
    font-size: 14px;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  @media (max-width: 768px) {
    .ez-calculator-form .form-row{
        flex-direction: column;
    }
    
    .form-group {
        border-right: none;
        border-bottom: 1px solid #ddd;
    }
    
    .form-group:last-child {
        border-bottom: none;
    }
    
    .radio-group {
        justify-content: flex-start;
    }
}