.lumpsum-wrapper {
    max-width: 900px;
    margin: 30px auto;
    font-family: inherit;
    padding: 20px;
}

.lumpsum-wrapper h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--gp-heading-color, #222);
}

.lumpsum-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--gp-accent-color, #1e73be);
}

.lump-tab {
    -webkit-border-top-left-radius: 5px;
    -webkit-border-top-right-radius: 5px;
    -moz-border-radius-topleft: 5px;
    -moz-border-radius-topright: 5px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    background: #efefef;
    border: none;
    padding: 10px 30px;
    font-weight: bold;
    color: var(--gp-text-color, #1e73be);
    cursor: pointer;
}

.lump-tab button:hover {
    -webkit-border-top-left-radius: 5px;
    -webkit-border-top-right-radius: 5px;
    -moz-border-radius-topleft: 5px;
    -moz-border-radius-topright: 5px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    background: #efefef;
    border: none;
    padding: 10px 30px;
    font-weight: bold;
    color: var(--gp-text-color, #1e73be);
    cursor: pointer;
}

.lump-tab.active {
    background-color: var(--gp-accent-color, #1e73be);
    color: var(--gp-button-color, #fff);
}

.lump-content {
    display: none;
}

.lump-content.active {
    display: block;
}

.lump-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    gap: 12px;
    flex-wrap: wrap;
}

.lump-row label {
    flex: 1 0 200px;
    font-weight: bold;
}

.lump-row input[type="number"] {
    padding: 6px;
    font-size: 15px;
    width: 160px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.lump-btn {
    background: var(--gp-button-background, #1e73be);
    color: #fff;
    font-weight: bold;
    padding: 12px 26px;
    font-size: 16px;
    border: none;
    border-radius: 30px;
    margin: 15px 0;
    width: 100%;
    cursor: pointer;
}

.lump-result {
    margin-top: 20px;
}

.lump-result div {
    display: flex;
    justify-content: space-between;
    background: #f8f8f8;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 6px;
}

.lump-result label {
    font-weight: 600;
}

.lump-result span {
    font-weight: bold;
    color: #1e73be;
}

@media (max-width: 600px) {
    .lump-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .lump-result div {
        flex-direction: column;
        align-items: flex-start;
    }
}