.roi-title {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #ccc;
}

.roi-title > div {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.roi-title p {
    color: #666;
    line-height: 1.5;
}

.roi-section {
    margin-bottom: 30px;
}

.roi-section p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
}

.roi-section-container {
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 20px;
    background-color: #fafafa;
    border-radius: 4px;
}

.roi-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 10px;
}

.roi-row:last-child {
    margin-bottom: 0;
}

.roi-label {
    flex: 0 0 200px;
    font-weight: 500;
    color: #333;
}

.roi-field {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.roi-field input {
    padding: 6px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.roi-field input:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.3);
}

.roi-unit {
    color: #666;
    font-size: 14px;
    flex: 0 0 auto;
}

.roi-button {
    flex: 0 0 auto;
}

.roi-button input {
    padding: 8px 20px;
    margin-right: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

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

.roi-button input:active {
    background-color: #3d8b40;
}

.roi-section-table {
    padding: 15px;
    background-color: #fafafa;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-top: 20px;
}

.roi-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.roi-table thead {
    background-color: #f0f0f0;
}

.roi-table th {
    padding: 12px;
    text-align: right;
    font-weight: 600;
    border-bottom: 2px solid #ddd;
    color: #333;
}

.roi-table th:first-child {
    text-align: left;
}

.roi-table td {
    padding: 10px 12px;
    text-align: right;
    border-bottom: 1px solid #eee;
}

.roi-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.roi-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

.roi-table tbody tr:hover {
    background-color: #f0f8ff;
}

.roi-disclaimer {
    margin-top: 20px;
    padding: 15px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    color: #856404;
}

.roi-disclaimer p {
    margin: 0;
    font-size: 14px;
}

.error-message {
    color: #d32f2f;
    font-size: 12px;
    margin-top: 5px;
}

.error-message.disp-hide {
    display: none;
}

.error-message.disp-show {
    display: block;
}