.form-container {
    width: 100%;
    max-width: 1000px;
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    text-align: left;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.form-group input, .form-group select .form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.form-group textarea {
    width: 100%;
    box-sizing: border-box;
    resize: vertical;
}

.form-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin: 10px;
    background-color: #007BFF;
    color: white;
}

.form-btn:hover {
    opacity: 0.9;
}

.form-btn:disabled {
    background-color: gray;
}

.form-btn-green:enabled {
    background-color: green;
}

.form-btn-group-centered {
    text-align: center;
}        

.form-btn-group-centered {
    text-align: center;
}

.error-text {
    color: red;
    font-weight: bold;
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
    box-sizing: border-box;
}

.render-equation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.render-operator,
.render-engine {
    font-size: 2rem;
    font-weight: bold;
    color: green;
}

.template-preview {
    min-width: 0;
    width: 100%;
}

.template-preview pre {
    max-width: 100%;
    max-height: 260px;
    overflow: auto;

    box-sizing: border-box;
    margin: 1rem 0 0 0;
    padding: 1rem;

    white-space: pre;
}