#elcp-calculator-wrapper {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    font-family: inherit;
    border: 1px solid #e0e0e0;
    padding: 15px;
    gap: 20px;
}

.elcp-left-column {
    width: 20%;
    background-color: #000;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
}

.elcp-right-column {
    width: 80%;
    display: flex;
    gap: 20px;
}

.elcp-products-column {
    width: 60%;
}

.elcp-summary-column {
    width: 40%;
}

.elcp-category-tabs {
    list-style: none;
    padding: 0;
    margin: 0;
}

.elcp-category-tabs li {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #333;
    border-radius: 3px;
    margin-bottom: 5px;
}

.elcp-category-tabs li.active {
    background-color: #444;
}

.elcp-product-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.elcp-product-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    margin-bottom: 10px;
}

.elcp-product-item .quantity {
    display: flex;
    align-items: center;
}

.elcp-product-item .quantity button {
    width: 30px;
    height: 30px;
    border: 1px solid #ccc;
    background-color: #f7f7f7;
    cursor: pointer;
    font-size: 22px;
    font-weight: 600;
    color: #555;
    line-height: 28px;
    padding: 0;
}

.elcp-product-item .quantity input {
    width: 40px;
    height: 30px;
    text-align: center;
    border: 1px solid #ccc;
    border-left: none;
    border-right: none;
    padding: 0;
    font-size: 16px;
    -moz-appearance: textfield;
    appearance: textfield;
}

.elcp-product-item .quantity input::-webkit-outer-spin-button,
.elcp-product-item .quantity input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.elcp-product-item .quantity .minus {
    border-radius: 3px 0 0 3px;
}

.elcp-product-item .quantity .plus {
    border-radius: 0 3px 3px 0;
}

.elcp-summary-box {
    border: 1px solid #e3e3e3;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
}

.elcp-summary-box h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 16px;
}

.elcp-summary-box p {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
}

#elcp-running-load,
#elcp-backup-hours {
    width: 100%;
}

.elcp-recommendation {
    display: flex;
    gap: 15px;
}

.elcp-recommendation-box {
    flex: 1;
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 3px;
}

.elcp-recommendation-box h4 {
    margin-top: 0;
    margin-bottom: 5px;
    font-size: 14px;
}

.elcp-recommendation-box p {
    font-size: 16px;
    font-weight: normal;
}

#elcp-reset-button {
    width: 100%;
    padding: 10px;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#elcp-reset-button:hover {
    background-color: #c82333;
}

/* Background colors for summary boxes */
.elcp-summary-box:nth-of-type(1) { background-color: #e7f3fe; } /* Total Load */
.elcp-summary-box:nth-of-type(2) { background-color: #e8f5e9; } /* Average running load */
.elcp-summary-box:nth-of-type(3) { background-color: #fff3e0; } /* Backup requirement */
.elcp-summary-box:nth-of-type(4) { background-color: #fce4ec; } /* Recommendation */

/* Responsive Design */
@media (max-width: 768px) {
    #elcp-calculator-wrapper,
    .elcp-right-column {
        flex-direction: column;
    }

    .elcp-left-column,
    .elcp-right-column,
    .elcp-products-column,
    .elcp-summary-column {
        width: 100%;
    }
}