.ht-toolkit-72412e77 {
    display: flex;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    font-family: system-ui, -apple-system, sans-serif;
    --ht-primary: #0056b3;
    --ht-bg: #f8f9fa;
    --ht-border: #e9ecef;
}

.ht-sidebar {
    width: 250px;
    background: var(--ht-bg);
    border-right: 1px solid var(--ht-border);
    padding: 20px;
}

.ht-sidebar h3 {
    margin-top: 0;
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.ht-calc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ht-calc-list li {
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 6px;
    margin-bottom: 5px;
    transition: background 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.ht-calc-list li:hover {
    background: #e2e6ea;
}

.ht-calc-list li.active {
    background: var(--ht-primary);
    color: #fff;
}

.ht-main {
    flex: 1;
    padding: 30px;
    min-height: 400px;
}

.ht-calc-title {
    margin-top: 0;
    color: #222;
}

.ht-calc-desc {
    color: #666;
    margin-bottom: 25px;
    font-size: 14px;
}

.ht-form-group {
    margin-bottom: 15px;
}

.ht-form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 600;
    color: #444;
}

.ht-form-group input, .ht-form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--ht-border);
    border-radius: 6px;
    font-size: 14px;
}

.ht-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.ht-btn {
    background: var(--ht-primary);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.ht-btn-outline {
    background: transparent;
    color: var(--ht-primary);
    border: 1px solid var(--ht-primary);
}

.ht-results {
    margin-top: 30px;
    padding: 20px;
    background: var(--ht-bg);
    border-radius: 8px;
    display: none;
}

.ht-results.active {
    display: block;
}

.ht-result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--ht-border);
    padding-bottom: 5px;
}

.ht-result-item:last-child {
    border-bottom: none;
    font-weight: bold;
    font-size: 1.1em;
}

@media (max-width: 768px) {
    .ht-toolkit-72412e77 {
        flex-direction: column;
    }
    .ht-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--ht-border);
    }
}