body {
    font-family: Arial, sans-serif;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.calculator {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    background-color: #f9f9f9;
}

.input-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 15px;
}

.input-group {
    margin-bottom: 10px;
}

label {
    display: block;
    margin-bottom: 3px;
    font-weight: bold;
    font-size: 14px;
}

input[type="number"] {
    width: 100%;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.result-table th, 
.result-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.result-table th {
    background-color: #f5f5f5;
    font-weight: bold;
}

.result-table tr:nth-child(even) {
    background-color: #fafafa;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #45a049;
}

.result {
    margin-top: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    border: 1px solid #ddd;
    background-color: #f1f1f1;
    border-radius: 4px 4px 0 0;
    margin-right: 5px;
}

.tab.active {
    background-color: #fff;
    border-bottom: 1px solid #fff;
}

.tab-content {
    display: none;
}

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


.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
}

.data-table th,
.data-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.data-table th {
    background-color: #f5f5f5;
    font-weight: bold;
}

.data-table input {
    width: 100%;
    padding: 4px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.data-table button {
    padding: 4px 8px;
    font-size: 14px;
}