.b2b2-calculator-wrapper {
    font-family: inherit;
    background: #fcfcfc;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.b2b2-calc-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eaeaea;
}

.b2b2-calc-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.b2b2-calc-col {
    flex: 1;
    min-width: 280px;
}

.b2b2-input-group {
    margin-bottom: 15px;
}

.b2b2-input-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #333;
}

.b2b2-input-group select,
.b2b2-input-group input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.b2b2-result-box {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid #0073aa;
    margin-bottom: 20px;
}

.b2b2-result-box h3 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: #555;
}

.b2b2-savings-value {
    font-size: 28px;
    font-weight: bold;
    color: #4CAF50;
}

.b2b2-amortisation-value {
    font-size: 24px;
    font-weight: bold;
    color: #0073aa;
}

/* Graphics Section */
.b2b2-chart-section {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #eaeaea;
    text-align: center;
}

.b2b2-chart-section h3 {
    margin-bottom: 20px;
    color: #333;
}

.b2b2-chart-container {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.b2b2-chart-legends {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    font-size: 13px;
    font-weight: bold;
}

.b2b2-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.b2b2-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

/* Checkout Section */
.b2b2-calc-checkout-section {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #eaeaea;
}

.b2b2-checkout-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.b2b2-checkout-header h3 {
    margin: 0;
}

/* Tooltip */
.b2b2-lumen-tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.b2b2-tooltip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: #0073aa;
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: bold;
}

.b2b2-tooltip-text {
    visibility: hidden;
    width: 300px;
    background-color: #333;
    color: #fff;
    text-align: left;
    border-radius: 6px;
    padding: 10px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -150px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 13px;
    font-weight: normal;
    line-height: 1.4;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.b2b2-tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.b2b2-lumen-tooltip:hover .b2b2-tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Product Grid */
.b2b2-product-options-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.b2b2-product-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    width: 250px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.b2b2-product-card img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
    border-radius: 4px;
}

.b2b2-product-card h4 {
    font-size: 16px;
    margin: 0 0 10px 0;
    min-height: 40px;
}

.b2b2-product-card .price {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.b2b2-btn-buy {
    background: #d63638;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    transition: background 0.2s;
}

.b2b2-btn-buy:hover {
    background: #a00;
}

.b2b2-btn-buy.loading {
    opacity: 0.7;
    cursor: wait;
}

/* PDF Form Section */
.b2b2-pdf-form {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 15px;
    text-align: left;
}

.b2b2-pdf-form-col {
    flex: 1;
    min-width: 250px;
}

.b2b2-pdf-form-col h4,
.b2b2-pdf-form-meta h4 {
    margin-bottom: 10px;
    color: #333;
    font-size: 15px;
}

.b2b2-pdf-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

.b2b2-pdf-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.b2b2-btn-pdf {
    background: #4CAF50;
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.b2b2-btn-pdf:hover {
    background: #45a049;
}

.b2b2-btn-pdf.loading {
    opacity: 0.7;
    cursor: wait;
}

.b2b2-login-notice {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    padding: 15px;
    border-radius: 4px;
    color: #856404;
}